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revision 1.70 by jmc, Sat Apr 6 01:36:25 2002 UTC revision 1.644 by mlosch, Tue Apr 4 07:47:32 2006 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
8      me to turn off the excessive output to STDOUT that this package produces
9    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
10      and add those terms in Vector-Invariant formulation.
11    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
12      if the control period (xx_hfluxperiod etc) is 0
13    o in profiles pkg, clean routines and fix details
14    o in ecco pkg, reading ssh data:
15      fix problem in case the model does not start at iter0=0
16    o fix mnc-pickup/restart for ptracers
17    o new package prifiles:
18      code to compute profile-based cost by Gael Forget
19      (modifs in ecco, ctrl, autodiff)
20    o Benign bug fix in initialization (spotted by M. Mazloff) of
21      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
22    
23    checkpoint58c_post
24    o adjoint: finish NLFS adjoint and provide reference output in
25      verification/global_ocean.90x40x15/results_ad_nlfs
26    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
27      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
28      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
29      with SEAICE_CGRID defined.
30    o move calendarDumps from "data" to "data.cal" and clean-up the code
31      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
32    o add useEXF & useCAL flags (for now, set in hard-coded way)
33    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
34      (were missing in NH mode, and wrong in quasihydrostatic mode).
35      waiting for Chris updated version of calc_gw to add those CALLs.
36    o fix bug in quasihydrostatic S/R ;
37      add a test for this option: global_ocean.90x40x15.qshyd
38    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
39      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
40    o add on/off flag useOffLine for package OFFLINE
41    o seaice:
42      - modify advection so that it works also on the C-grid
43      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
44        problem in multi-tile runs with C-grid
45      - add flags for clipping ice velocities and/or masking solver forcing
46      - fix drag (ocean on ice) formulation and a bug that caused noise in the
47        C-grid solver
48      - added a few comments to seaice_diffusion.F
49      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
50        are now exclusive)
51      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
52        required re-ordering the code a little:
53       + make DAIRN global variable (defined in SEAICE)
54       + move computation of the viscosities eta and zeta into a new separate
55         routine (because I need to recompute them in seaice_ocean_stress.F)
56    
57    checkpoint58b_post
58    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
59      update output.txt of exp. aim.5l_cs.thSI
60    o various mnc cleanups and improvements:
61      + shrink lookup tables by factor of ~4
62      + better error reporting when running out of lookup space
63      + able to handle longer path/file names (up to 500 chars)
64    o adjoint:
65      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
66      - TBD: "hidden" mom_vecinv recomp. in dynamics
67    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
68     (allow to differentiate between forcing components using new integer flags:
69      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
70     and add new flag to put Dissipation tendency out of Adams-Bashforth.
71    o ecco
72      - enable trend removal from SSH anomaly obs.
73    o adjoint
74      - a fix for PmEpR when #undef EXACT_CONSERV
75      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
76      - try to fix "hidden" recomp. in forward_step for NLFS
77        (NLFS seems broken sometimes after I checked it in)
78    o seaice:
79     - add c-grid version of the dynamic solver:
80       + three new routines that are the c-grid substitute lsr, dynsolver
81         and ostres
82       + put a few fields that were local to dynsolver into global common
83         blocks, so that I can move the computation of stresses etc into
84         seaice_lsr (saves coding but may break the adjoint).
85     - replace more hardwired parameters by runtime parameters
86     - add ice masks that mask the rhs of the implicit solvers where there
87       is no ice (commented out in seaice_dynsolver, because i am not sure
88       if this works properly), eventually this should replace the clipping
89       of ice velocities in seaice_dynsolver to +/-40cm/s.
90    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
91      include it only where its needed
92    o move balancing of fluxes before the call of external_forcing_surf
93    o seaice:
94      - correct units of turning angles (now they are really in degrees)
95      - move computation of GWATX/Y out of main routine into dynsolver
96      - initialize GWATX/Y in seaice_init
97    o Apply mask on Fresh-Water flux (needed for SSH forcing).
98      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
99    o seaice: add runtime flags for turning angles (default to zero)
100    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
101      and trend from exf forcing and ctrl control adjustments
102    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
103      (since checkpoint57x_post)
104    o change the default rotation period to 86164.s = the Earth rotation
105    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
106      and based on a reference stratification. Tested within hs94.cs-32x32x5.
107    o seaice advection: add code for choosing between the default (2nd order
108      central differences) and multiDim advection schemes provided by
109      pkg/generic_advdiff
110    o seaice:
111      - removed all references to SEAICE_GRID.h fields from
112        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
113        (cubed-sphere configuration will change a little)
114      - grid computations in seaice_init are obsolete now.
115      - cleaned up code a little so that is easier to read (hopefully).
116      - added new (better?) discretizations of default advection and diffusion
117        (turn on with SEAICEuseFluxForm)
118      - replace 1 in 3d global fields by kSurface in growth.F
119      
120    checkpoint58a_post
121    o seaice:
122      - bug fix in advect.F
123    o shelfice:
124      - separate shelfice load anomaly from pload (breaks with time
125        dependent forcing), => introduce constant field shelficeLoadAnomaly.
126        Its default is 0., but it may be computed more cleverly from (unknown)
127        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
128        done offline. A good approximation of the pressure load anomaly is
129        necessary to avoid large initial adjustment processes underneath
130        deep-reaching shelfice.
131      - small fix in ISOMIP shelfice_thermodynamics
132      - add more sophisticated thermodynamics of Hellmer (1989), this is
133        now the default
134      - give a few constants more intuitive names
135    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
136      if bulk formulae are used in long integration (especially EmPmR). Turn
137      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
138      if balancePrintMean, the imbalance that is substracted is printed to
139      STDOUT.
140    o fix bug (typo) in obcs_apply_eta.F
141    o add a new package shelfice which enables us to model the circulation
142      underneath shelf-ice with draughts of hundreds of meters.
143     - works
144     - to do: + include improved thermodynamics
145              + check whether kSurfC (from model/inc/SURFACE.h) can be used
146                instead of new field kTopC
147              + can we use topoFile, Ro_surf and existing code in ini_depth.F
148                instead of new field R_shelfIce and new code in ini_depth.F
149                and ini_mask_etc.F?
150              + adjust vertical mixing schemes?
151    o seaice pkg:
152     - add a cpp-flag to include a simple formula for a salinity dependent
153       freezing point of sea water at the surface
154     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
155       meridional stresses are now different (and hopefully correct)
156    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
157       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
158       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
159    o pkg/diagnostics: add options and parameters for regional-statistics
160       diagnostics ; define regions by reading a region-mask from a file
161       (might add other options later)
162    o pkg/bulk_force:
163     - add option and parameters to use AIM surface-flux formulae.
164     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
165       others forcing fields (defined in PARM05, parameter file "data") are loaded
166       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
167     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
168     - use the right EXCH call for uwind,vwind (to work on CS-grid).
169     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
170       and parameters (note: calcWindStress replaces .NOT.readwindstress).
171     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
172    
173    checkpoint58
174    o add "--embed-source" option to genmake2 which, when the supporting
175      tools can be compiled (as determined by genmake2) will turn on the
176      embed_files package which then embeds the entire MITgcm source code
177      (*.[fFhc] + Makefile) used for the build within the executable
178      - requested by CNH but off by default
179      - adds a paltry <9MB to the mitgcmuv executable in most cases
180      - only writes the output when useEMBEDSRC in eedata is true
181    o clean up 3-dim. relaxation codes:
182      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
183      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
184      * Thanks to Tom Haine for testing!
185    
186    checkpoint57z_post
187    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
188      affects output (@ truncation level) of exp. plume_on_slope ; updated.
189    o fix the pickup behavior for obcs in combination with ptracers
190    o fix a bug in ptracers_external_fields_load
191    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
192      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
193    o transfered surface NH pressure to eta field (if exactConserv).
194    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
195         and update lab_sea output.txt file.
196    o completing 3-dim. relaxation code: additional term
197         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
198      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
199      * At compile time, in "EXF_OPTIONS.h" set
200          #define  ALLOW_CLIMTEMP_RELAXATION
201          #define  ALLOW_CLIMSALT_RELAXATION
202      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
203          tauThetaClimRelax3Dim = 15552000.0,
204          tauSaltClimRelax3Dim  = 15552000.0,
205      * 3 cases:
206          1) Use a constant-in-time 3-dim. field
207          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
208          3) Real-time relax. to time-evolving prescribed field
209    o Adding Laplacian-type smoothness constraint on
210      initial and boundary (forcing) controls (ic, bc)
211      * enable at compile-time via
212        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
213      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
214      * Absolute scale somewhat unclear so far
215      * no area weighting was included since no other cost term does so far
216    
217    checkpoint57y_post
218    First step for a NLFS adjoint
219    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
220    o new init. routines for calc_r_star, calc_surf_dr
221    o still need to deal with ini_masks_etc
222    o testreport seemed happy
223    checkpoint57y_pre
224    
225    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
226    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
227    o add new offset feature to offline pkg (plus minor cleanup)
228    o cfc fixes for final year of integration
229    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
230      be in GCHEM_OPTIONS).
231    
232    checkpoint57x_post
233    o fix testreport Pb in multiple test experiment.
234    o cleanup our namelist syntax in verification:
235      - make it more F95 standards compliant (some work still needed)
236      - allows the vast majority of our tests to work with gfortran
237    o Non-Hydrostatic:
238     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
239     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
240    o Allow to apply AB on T,S rather than on AB(gT,gS):
241     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
242     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
243       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
244     - need a "clever" read_pickup to restart from the other AB formulation
245    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
246    o remove some unused variables (reduces number of compiler warnings)
247    o adjoint
248      * Disable useVariableViscosity for adjoint for time being
249        (there are a number of extensive recomputations)
250      * Initialize certain variables needed for adjoint
251    
252    checkpoint57w_post
253    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
254                 fix the singleCpuIO RS version of MDSWRITEFIELD
255       and add a WARNING if using globalFiles=T with multi-processors.
256    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
257      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
258    o tracer advection scheme:
259      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
260       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
261       was not very convenient).
262      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
263       (further tests needed for the implicit DST & Flux-Limiter schemes).
264    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
265      and sRef for convenience, handy, when you want to initialize
266      ptracers in a large domain with a constant non-zero value. Also,
267      untangle ptracers_init.F a little.
268    
269    checkpoint57v_post
270    o change dome exp. to use variable viscosity in side-drag terms.
271    o remove all the files from the cfc_offline test since they are now
272      incorporated into tutorial_cfc_offline which has been producing
273      identical results for a few days of testing
274    o add new parameter: sideDragFactor to enable half-slip-side BC
275      and change side-drag S/R to use viscosity from mom_calc_visc
276      (can switch back by setting sideDragFactor=0.); affects results at
277      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
278       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
279    o vorticity & strain are now computed without masking, to account for
280      no-slip-side BC in variable viscosity calculation ; mask is applied
281      anyway later on, before computing advection/coriolis terms.
282    o modify exp4 to test new obcs support for reading from external files
283      and for passive tracers
284    o fix behavior of ptracers_monitor when monitor output is written to a
285      netcdf-file; still not independent of monitor.F (writes in the same
286      file).
287    o change default value of tRef (put a uniform, meaningful value for ocean
288      & atmos) and initialize sRef (was missing, as Martin mentioned).
289    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
290      to be proportional to enstrophy dissipation length.  Thus,
291       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
292      This is now consistent with Smagorinsky and with the manual.
293    
294    checkpoint57u_post
295    o OBCS and PTRACERS: add open boundary support for passive tracers
296      - either use homogenous (pseudo) v.Neumann conditions or prescribe
297        OB-values from file; this is not different from the way theta and salinity
298        are treated
299      - however, Orlanski-radiation conditions are not supported, and the model
300        will stop if you use pTracers and Orlanski at the same time.
301      - beefed up the rountine obcs_external_fields_load: now only those open
302        boundary values are overwritten with values from files for which there
303        are really files, otherwise the OB-fields remain untouched. This makes
304        it possible to use different OBs at different ends of the domain (as
305        with EXF)
306    o reduce number of exch calls in shap_filt (s2).
307    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
308      truncation level) 4/5 MLAdjust test results (11&12 digits match).
309    
310    checkpoint57t_post
311    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
312    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
313      same truncation, independent of the face number: affects affects several
314      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
315    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
316      note that biharmonic viscosity + no-slip was not tested in any experiment.
317    o fix bug in non-linear free-surf side-drag ; generate new output for
318      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
319    o make mnc honor the writeBinaryPrec flag for most kinds of output
320    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
321    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
322      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
323    o add brackets in multi-terms sum to get same truncation, independent of
324      the face number (manage to get exactly same value of gU,gV at the cs-edge)
325      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
326    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
327      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
328      a maximum grid-scale Reynolds number.  Also, changes all length calculations
329      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
330      Suggested values of viscosity parameters found in mom_calc_visc.
331      Many new viscosity diagnostics available.
332    
333    checkpoint57s_post
334    o Add clearing-house for viscosity calculations, mom_calc_visc and
335      correct numerous bugs in LeithD and Smagorinsky discretizations.  
336      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
337      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
338      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
339      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
340      The Strain-Tension form is now called with useStrainTensonVisc=.true.
341      ViscAhStrain and viscAhTension are now retired.
342    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
343    o In response to JMC's bug report, genmake2 now ignores any soft-links
344      that it finds in the *current* directory when searching for files.
345      Soft-links found in any other source directories will still work as
346      they did before.
347    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
348      a C routine to unlimit the stack size
349    o mnc-ify pkg/aim snapshot vars
350    o mnc-ify pkg/land as requested by Daniel
351    o various changes to mnc including:
352      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
353      - output can now be grouped so that all files within a group
354          change the ITER portion of their names in lock-step together
355      - can now read ("global") PER-FACE (in addition to PER-TILE) files
356          and works with both EXCH1 and EXCH2 (but needs more testing)
357      - writing works for all verification test cases w/ g77 on Linux
358    
359    checkpoint57r_post
360    o make MNC variable initialization happen earlier
361    o add diagnostics for (almost) each term of the momentum Eq.
362    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
363    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
364    o remove MINIMAL_TAVE_OUTPUT option ;
365      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
366    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
367      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
368    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
369    o add time-dependent SST, SSS control
370    o cost terms in ecco/ modularized (new cost_generic.F)
371    o cost_averages routines are modularized (new cost_averagesgeneric.F)
372    o new infrastructure for seaice model vs. obs misfits in seaice/
373      * driver from the_main_loop.F is seaice_cost_driver.F
374      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
375      * gradient check in Exp. 6a of natl_box_adjoint/
376    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
377      (see README file)
378    
379    checkpoint57q_post
380    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
381    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
382      - bug was reported by Jean-Michel and Ian Fenty
383    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
384      update exp. cpl_aim+ocn output.
385    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
386      Needed for high-res. runs with large global files
387      to be able to limit tapelev size
388    o Changed some tests for adjoint:
389      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
390      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
391      * global_ocean.90x40x15/ back to default 3-level checkpointing
392    o Modifications to enable scripted COMMON to MODULE conversion
393      * verification/OpenAD/code/ has necessary scripts and description;
394      * converts, compiles and runs successfully;
395    
396    checkpoint57p_post
397    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
398    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
399      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
400    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
401    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
402      (was already the case for dissipation with mom_vecinv,
403       and also the case for grad.PhiHyd when staggered-timeStep)
404      This will allow to put dissipation out-off the AB time-stepping.
405     Unfortunately, affects truncation error. Update output of exp. that "fails"
406      (cg2d matching number) and leave the others for later: front_relax(10),
407      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
408      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
409    
410    checkpoint57o_post
411    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
412      (2) its ready to be documented during the 20050801 DocFest
413    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
414      for ideal_2D_oce and lab_sea on linux_ia32_g77
415    o set to #undef CTRL_SET_OLD_MAXCVARS_30
416      in global1x1_tot/code_seaice_adj to access indices 32, 33
417      (worth another tag)
418    
419    checkpoint57n_post
420    o adding precip control xx_precip 32
421    o adding swflux control xx_swflux 33
422    o Replacing 10 forcing penalty cost routines by 1 generic.
423    o Implementing partitioning in time-mean and variable adjustment
424      for atmos. state.
425    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
426    o in natl_box_adjoint:
427      * updated exp 1 to 10
428        (but does not have time-mean vs. variable split results yet)
429    o updated global1x1/*_seaice_adj/
430      to incorporate latest changes
431    o enable useSingleCpuIO for mdsio vector routines
432      (applies in particular to tapelev I/O)
433    o removed inefficient K-loop in all active_file*control*.F
434    
435    checkpoint57m_post
436    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
437      and advect_cs (use EXCH-2 and standard cs-32 grid files).
438    o pkg/exch2: filling of face-corner halo regions is optional
439      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
440    
441    checkpoint57l_post
442     tag before updating tutorials (pre-release-2)
443    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
444       for output and interpolation of input fields onto model grid)
445    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
446       Affects results of exp. rotating_tank ; update output.txt.
447    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
448          and taking the square quantity and/or using a fraction-weight field.
449    o fix aim_diagnostics_init.F mate numbers.
450    o add mnc output capability to diagnostics/diagstat and update
451      our cvsignore files for the ACSII output generated
452    
453    checkpoint57k_post
454    o lab_sea now uses diagnostics package and provides a suite of
455      new EXF diagnostics output.
456    
457    checkpoint57j_post
458    o exf
459      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
460        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
461        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
462      * extended diagnostics output
463        - now includes all EXF variables
464        - hs, hl moved to common block
465        - separate S/R for diagnostics, called after ctrl vector is added
466        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
467        - EXFqnet contains true Qnet (i.e. includes qsw)
468      * updated verif. lab_sea, global_with_exf
469      * Rearranging hflux (exf_mapfields -> exf_getforcing)
470        to ensure that diagnostics sees a true EXFqnet
471    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
472    o diagnostics pkg: change pointers so that 1 diagnostic can be used
473      several times with different frequencies.
474    o mnc-ify the thsice package as requested by Daniel Enderton
475      - the monitor--MNC output needs work
476      - many attributes need to be added (most are currently blank)
477    o mnc-ify theaim_v23 package as requested by Daniel Enderton
478      - many attributes need to be added (most are currently blank)
479    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
480    o add Sadourny like discretization to the 4th.O vorticity advection scheme
481    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
482      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
483         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
484    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
485     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
486    
487    checkpoint57i_post
488    o Diagnostics package was changed: diagnostic allocation is now deactivated
489      by setting an empty file name in the namelist (used to be by setting 0 frequency)
490    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
491      add 1rst Order upwind vertical Shear.
492    o add a quick fix for A/B checkpointing in OFFLINE mode
493    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
494      end-run around the C/Fortran linking horror in eesup/src/timers.F
495    o added pkg/runclock: allows user to terminate run based on wall clock
496    o added non-hydrostatic scaling parameter: nh_am2
497    o pkg/my82: futile attempt to make results compiler-independent by adding
498      some "_d 0", etc. no effect.
499    o for mnc output, fill the 'T' coordinate var with myTime and create a
500      separate 'iter' variable for iteration count
501    o pkg/diagnostics:
502      add new capability: output of Global/Regional & per-level statistics ;
503      tested against monitor output (including land & thSIce) on various exp.
504    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
505    
506    checkpoint57h_done
507      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
508      data.diagnostics, data.gchem, data.ptracers) is done.
509    
510    o pkg/diagnostics: prepare for Global/Regional statistics.
511      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
512    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
513      and rename it: DIFFERENT_MULTIPLE
514    
515    checkpoint57h_post
516    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
517    o pkg/diagnostics: change output frequency, now in seconds (instead
518      of Nb of iterations). This requires to change data.diagnostics.
519    checkpoint57h_pre
520    
521    o in mnc, let the user create the output dir if both mnc_outdir_date
522      and mnc_outdir_num are false
523    o add fflags() to pkg/diagnostics which allows one to specify, on a
524      per-file basis, the file precision [default behavior is unchanged]
525    o added diagnostics to pkg/kpp, including computation of mixed layer
526      depth based on a temperature/density criterion
527    o updated verification/natl_box to test the new pkg/kpp diagnostics
528    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
529    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
530    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
531      not mnc -- this mistake was found by JMC and is now corrected
532    
533    checkpoint57g_post
534    o add Adams-Bashforth 3rd Order time stepping:
535      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
536      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
537    checkpoint57g_pre
538    
539    o make lambda[Theta,Salt]ClimRelax spatially varying
540      (default remains spatially uniform constant based on tau)
541    o added new control variables
542      * init. uVel, vVel, etanN
543      * lambda[Theta,Salt]ClimRelax
544    o separate masks used for ctrl_pack/unpack 'from write_grid' output
545      (suggested by G. Forget)
546    
547    checkpoint57f_post
548    o add parameter "baseTime" = model base time = time at iteration zero
549      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
550      account for baseTime shift
551    o move Coriolis arrays from PARAMS.h to GRID.h
552    checkpoint57f_pre
553    
554    o mnc-ifying the seaice package
555    o introduced an alternative length scale calculation for use in the limiting
556      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
557    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
558    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
559      as well as grad(vort3).  Made it compatible with both approximate form
560      for the cubed sphere and full form of these gradients.  Added flag
561      useFullLeith to select between approximate and full form.  
562    o add "d0" in getcon.F to reduce differences between compilers/platforms
563      update output.txt of exp. fizhi-gridalt-hs
564    o change port_rand funtion to allow to set the seed.
565    o fix obscure MNC bug involving conversion between reals and integers
566      - it caused no problems with certain (eg. gcc, ifc) compilers but the
567        new version is now more standards-compliant
568    o adjoint-related modifications
569      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
570      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
571      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
572    
573    checkpoint57e_post
574    o Adding eddy stress controls a la Ferreira et al.
575    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
576    
577    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
578      update output.txt of exp. fizhi-gridalt-hs
579    o add more "Z" dimensions and associated coordinate vars to MNC
580    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
581    o parameter calendarDumps: when set, approximate months (30-31 days) and years
582      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
583      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
584      months and years.  Requires pkg/cal.
585    o diagnostics: add pickup functionality
586      - off by default for backwards compatibility
587      - current version only uses MDSIO -- MNC will be added
588    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
589    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
590    
591    checkpoint57d_post
592    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
593    o modify verification/ideal_2D_oce so that it tests the creation of mnc
594      output from the diagnostics package
595    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
596    o make genmake2 more portable by using ".$FS" instead of ".f" for more
597      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
598    o add coordinate variables to the MNC output from the diagnostics package
599    o change MNC-flags default value: true when useMNC=TRUE
600    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
601      the ability (off by default) to read the grid information using MNC
602    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
603    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
604    o do snap-shot diagnostics at the middle of the time-interval (instead of
605      at the end).
606    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
607      new test for AIM with thSIce + slab-ocean
608    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
609    o move state variable diagnostics to the beginning of the time step ;
610      (note: still needs some work specially for snap-shot diagnostics)
611      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
612    
613    checkpoint57c_post
614    o Change testing option (-ieee) to get closer agreement between g77 & ifort
615    o generate new output.txt files on faulks with g77 & the new -ieee option
616    checkpoint57c_pre
617    
618    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
619      update output.txt of exp. global_ocean.90x40x15
620    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
621      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
622    o add saltFlux(+File) forcing capability with periodicExternalForcing
623    o allow to use pkg diagnostics for GM-Redi & ThSIce output
624    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
625    o improvements for the MNC output from DIAGNOSTICS:
626      - correct handling of the unlimitied dimension
627      - all dims now have associated coordinate variables
628      - variables located at U, V, and Corner ("Z") points are now written
629        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
630        *all* data points are output
631    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
632    o added pkg/seaice/seaice_monitor.F
633    o mdsio_readfield.F can now read files visible only to master MPI process.
634    o pkg/seaice: some test code for ice-modified ocean stress
635    o exf_getffields interpolation defaults to bilinear for all scalar forcing
636      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
637      spurious negative numbers for precipitation and humidity.  Will cause
638      some small numerical differences for integrations using pkg/exf/exf_interp.F.
639    o pkg/ctrl/
640      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
641        May be enabled via doPackDiag
642      *  introduce z-scaling of
643         + gradient (doZscalePack) and
644         + control (doZscaleUnpack)
645    o pkg/mdsio/
646      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
647      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
648    
649    checkpoint57b_post
650    o simplify options in diagnostics_fill arguments (remove weird combinations)
651    o fix MNC coordinate variables so that they now contain per-face index
652      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
653      general, EXCH2 grids are only aligned to a "local" coordinate system
654    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
655    o Implement instantaneous output within pkg diagnostics:
656      setting a negative frequency in data.diagnostics produces
657     "snap-shot" output (as opposed to time-average if freq > 0)
658    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
659      NOTE: change ptracer diagnostics name: use 2 characters to work with
660            more than 9 tracers. Add also diagnostics of advect & diffus flux.
661    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
662      becomes the coordinate variable for the 'T' dimension
663    o add CF-style coordinate variables to MNC
664      - just a first cut:  numbers are meaningless on the cubesphere and
665        missing along the T axis but otherwise it works!
666    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
667    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
668    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
669      this is based directly on what the model compute, so that the content of
670      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
671    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
672    o clean up build options files for SunOS, in particular
673      - remove -traditional from xmakedepend
674      - change -xarch=v9 to -xarch=native for f77
675      - restore use of make (not gmake)
676      - add CC=gcc if using g77
677    o changes per discussion of AM, JMC, & EH3 today:
678      - move redundant "grid" variables out of "state" -- in preparation of
679        creating proper CF-style coordinate variables and in recognition
680        that any/all grid variables can be easily copied (eg. w/NCO) from
681        the grid files into any of the other NetCDF files
682      - *always* output grid variables with MDSIO (this will eventually be
683        changed)
684      - output MNC grid file if useMNC is true
685    o every instance of _END_MASTER() has been found and replaced with
686      _END_MASTER( myThid ) in order to satisfy certain picky Sun
687      preprocessors
688    o re-arrange diagnostics pkg initialisation:
689     - allow each package to extend the available diagnostics list
690     - add some checking and fix small problems (multi-threaded, ...)
691     - new S/R diagnostics_fill (replace fill_diagnostics):
692       look through the short list of active diag. (instead of the long list)
693       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
694    
695    checkpoint57a_post
696    o this set of changes restores TAMC compatibility
697      tested for global_ocean.90x40x15 adjoint on trough
698      (what a pain)
699    
700    checkpoint57a_pre
701    o some modifs in tools/build_options for sunos
702    o call ctrl_pack for ctrl at end for optimcycle=0
703    
704    checkpoint57
705    o add horizontal bi-harmonic viscosity for vertical velocity
706      - new parameter viscA4W (defaults to viscA4)
707      - affects only non-hydrostatic code
708      - to be done: no-slip lateral boundary conditions
709    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
710    o implement Implicit Vertical advection for pTracers
711    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
712      (implemented also for implicit vertical diffusion & advection)
713    o OBCS: extend application of tracer open boundary conditions
714      to a strip beyond the boundary of width Olx/Oly
715    o add call monitor to TAF set of required calls (flow directives)
716      and include in natl_box_adjoint
717    o untangle a few ifdefs related to cost, ctrl, autodiff
718      untangel a few ALLOW_ECCO_OPTIMIZATION
719    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
720      (theta2, salt2 in ecco_cost_weights)
721    
722    checkpoint56c_post
723    o OBCS as control variables
724      - update ctrl_ad_diff.list, obcs_ad_diff.list
725      - remove balance of obcs controls from default
726      - fix index bug nobcs in ctrl_init
727      - fix dummy fields filen in ctrl_pack
728      - add dummy weights for obcs
729    o lsopt: comment out fort.94 output
730    o optim:
731      - remove unnecessary header files
732      - adjusted namelists
733      - add xerbla.F to Makefile
734    o exf:
735      - multiple modifications of exf_check_range
736      - unit change in exf_init_runoff from [m/year] to [m/s]
737    o mdsio:
738      - i/o-vector change debugLevel from debLevA to debLevB
739    
740    checkpoint56b_post
741    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
742      is called from DO_THE_MODEL_IO
743      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
744      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
745      - clean up PTRACERS_WRITE_TIMEAVE a little
746    o add another verification experiment that tests both the cfc-pkg and
747      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
748      reactive tendencies treated inline with regular timestepping
749    o testreport previously did a lousy job of comparing small numbers, so
750      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
751      implemented in the little c-progam tmp_cmpnum.c which is embedded in
752      testreport.
753    o ptracers_monitor: bug fix for MPI
754    
755    checkpoint56a_post
756    o GCHEM: finish reorganizating the package
757      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
758        (introduces another 3D-array for each passive tracer, but only if
759        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
760        gchemTendency is not needed because the timestep is done separately)
761      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
762      - GCHEM is now---more or less cleanly---separate from PTRACERS
763      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
764        so clear to me how that should be done in a general way.
765    o CFC: improve formatting of output in CFC_ATMOS
766    o PTRACERS:
767      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
768        that ALL experiments with ptracers enable can be checked. This makes
769        GCHEM_MONITOR obsolete.
770      - include a runtime parameter PTRACERS_monitorFreq that defaults to
771        monitorFreq
772      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
773    o add PTRACERS (PTR0[1-5]) to testreport output
774    o exf_check_range:
775      * default changed to .TRUE.
776      * will check values for niter0 if debLevA, every timestep if debLevB
777      * STOP in exf_check_range if 'out of range'
778      * range chosen generous to allow for potential extema
779      TBD: a version with stricter range
780           permitted range would be runtime parameters
781    o GMredi:
782      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
783      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
784      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
785    o GCHEM:
786      - move call to GCHEM_FORCING_SEP, so that it is now called before
787        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
788      - introduced a useGCHEM runtime flag and applied it everywhere.
789      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
790        this flag is now only visible within GCHEM-pkg routines.
791      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
792        be replaced by a 3D array that is computed before thermodynamics; for
793        this, the tracer ID iTracer had to be included into the parameter list
794        of ptracers_forcing
795      - set up forward_step to call gchem_forcing, that will replace
796        gchem_forcing_int in ptracers_forcing
797      - cleaning up
798    o small cleaning of exch2: remove files that are also in eesupp/src
799    
800    checkpoint56
801    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
802    o mnc: cleanup "full" files--fixes out-of-memory problem
803    o ECCO-GODAE
804      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
805      * fully merged and updated from SIO code
806        windstress sign change affects
807        - exf_inscal_[u/v]stress
808        - sign of xx_tau[u/v] adjustments
809        - signs in cost_scat
810      * ctrl_get_gen: avoid update of tau[u/v] for first few days
811      * natl_box_adjoint updated and compressed
812      * 2-level checkpoint switch added
813        (tested in EXP. 1 of natl_box_adjoint)
814      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
815    o SVD
816      * first complete, non-hacked version for SVD calculations
817      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
818        performed via direct access files admtlm_vector.it????
819        (via ctrl_[un]pack)
820      * optimcycle is used for ARPACK iteration counter
821        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
822      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
823        and add linear transforms where necessary
824      * controls are initial/final SST, SSS (can be extended; need to check
825        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
826    o mdsio: filename info to both stderr, stdout
827    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
828      from sign change
829    
830    checkpoint55j_post
831    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
832      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
833    o add consistent build directories and .cvsignore files to verification
834    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
835    o make all subroutines 30 or less characters in length for certain older
836      compilers to work (a thorough search only turns up two routines in
837      pkg/ptracers)
838    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
839      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
840    
841    checkpoint55i_post
842    o change arrays for total vertical diffusivity (2.D if explicit,
843      3.D if implicit) ; each ptracer uses its own background value.
844    o added mnc/NetCDF output capability to ocn_compon_interf
845      - added bits to verification/cpl_aim+ocn so that it can run on
846        ITRDA and other clusters without the mpirun "-wd" option
847    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
848      configuration
849    o give MNC the ability to create additional files rather than
850      exceeding a specified file size limit "MNC_MAX_FILESIZE"
851      - the default is just less than 2GB which is a practical limit
852        on many systems
853    o Compute the non-local term using either KPP vertical diffusivity (=default)
854       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
855    
856    checkpoint55h_post
857    o add verification test "vermix"
858    o remove all the *_ioinc flags and replace with the single global
859      outputTypesInclusive flag
860    o allow to set a vertical profile of vertical diffusivity for T & S
861    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
862    o useMNC moved from data.mnc to data.pkg
863    
864    checkpoint55g_post
865    o Renaming carbon AD experiments to comply with testreport conventions
866    o Updating adjoint of Held-Suarez hs94.1x64x5
867    o Fixing directives for non-ECCO forward_step, after ECCO directives
868      have been fixed to avoid recomp. of do_oceanic_phys
869      Works well for global_ocean.90x40x15,
870      but recomp. issue remains for carbon
871    o Updating adjoint output for natl_box_adjoint after
872      pkg/ecco has been modified (see taga c55d_post)
873    
874    checkpoint55f_post
875    o rename to timeave_init_fixed
876    
877    checkpoint55e_post
878    o some delicate re-shuffle of store directives to avoid one
879      extra call of do_oceanic_physics
880      affects ecco_the_main_loop.F, do_oceanic_physics.F
881      checkpoint_lev1_directives.h
882    o NB: this may break global_ocean adjoint temporarily,
883      but it is clear how to fix it. Will do later, need this now.
884    
885    checkpoint55d_post
886    o ECCO specific cost function terms (up-to-date with 1x1 runs)
887    o ecco_cost_weights is modified to 1x1 runs
888    o modifs to allow observations to be read in as
889      single file or yearly files
890    o enable to read exf forcing fields as either
891      single file or yearly files (flag useExfYearlyFields)
892    checkpoint55d_pre
893    
894    o switch between 2-level and 3-level checkpointing
895    o add ability of MNC to write local and "partial" (eg. 2D slices where
896      the full 3D field is never actually stored) arrays to NetCDF files
897      with the correct (that is, the complete multi-dimensional) set of
898      array indicies
899      - used in mom_vecinv() to write the diagFreq output
900      - tested (demonstrated) in verification/aim.5l_cs
901    o further mnc-ification
902      - add verification/lab_sea to the list with mnc setups
903      - fix undefined mnc v-names in cd_code
904      - add kpp to mnc output (both snapshot and timeave)
905    o non-hydrostatic code
906      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
907        in calc_gw.F
908      - defaults to viscAh
909      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
910        friction or Leith) in non-hydrostatic mode, as long as there is
911        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
912    o pkg/cost
913      extend simple cost functions to treat time mean quantities
914      (T,U,V) via cost_accumulate_state from cost_tile
915    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
916        be 2 times larger than the minimum size the advection scheme requires.
917        now get a perfect conservation of salt in advect_cs test-exp (updated)
918    o GGL90 (Gaspar's TKE mixed layer)
919      - add horizontal diffusion of TKE, requires exchanges in
920        do_fields_blocking_exchanges, horizontal diffusivity is zero by
921        default. In OPA there is no horizontal diffusion of TKE but the
922        mixing coefficients are computed from a horizontal average of TKE of
923        6 points or so. I think that diffusion has a little more physical
924        justification.
925      - clean up ggl90_calc in the hope of reducing memory usage (this hope
926        was in vain)
927      - mask tke-variable in ggl90_init
928    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
929    o fix biharmonic diffusion on CS-grid.
930    o more obcs stuff
931      - added obcs_external_fields_load as an alternative to the EXF-pkg option
932        for reading boundary values. This routine is called from
933        obcs_prescribe_read
934      - updated obcs_check
935      - changed sponge layer relaxation parameter units for days to seconds
936      - turned off sponge layer by default
937      - changed argument list of OBCS_CALC to myTime+deltaTclock
938      - fixed about 35 bugs in obcs_external_fields_load
939    
940    checkpoint55c_post
941    o obcs stuff
942      - new runtime flags useOBCSprescribe, useOBCSbalance
943      - re-arranged obcs_calc
944      - moved exf_getobcs to obcs_prescibe_read
945        obcs_prescibe_read is called after ORLANSKI stuff
946        and independent of it (executable can contain all).
947      - updated obcs_check
948      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
949        These may be necessary only if tangential velocities are
950        prescribed at OB, not sure, needs testing.
951    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
952      which simplifies the calls and passes the ifc check-bounds test
953    
954    checkpoint55b_post
955    o add a 2D scalar, Z location, exchange_2 routine.
956    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
957      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
958      affects advect_cs results (for the wrong reason): update output.txt
959    o use a more standard discretization for biharmonic viscosity ;
960     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
961      affects results of dome set-up: update output.txt
962    o fix gad_advection.F (CubedSphere part), back to version 1.23
963    o fix bug in mom_vi_del2uv.F (CubedSphere part).
964    
965    checkpoint55a_post
966    o merged code to
967      * prescribe/read time-dependent open boundaries
968        (works in conjunction with exf, cal)
969      * sponge layer code for open boundaries
970      * each boundary N/S/E/W now has its own CPP option
971        (healthy for the adjoint)
972    
973    checkpoint55
974    o up-to-date adjoint of previous breaks
975      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
976      - global_ocean_ebm: adjoint still needs fix (TLM ok)
977      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
978      - carbon: * remove tr1-related adjoint verification
979                * add ptracer as control variable
980    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
981      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
982    
983    checkpoint54f_post
984    o in verification/carbin/ remove experiment related to
985      ALLOW_PASSIVE_TRACER (array tr1 etc)
986      code_ad/ input_ad/ results_ad
987    
988    o add two new packages
989      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
990        + subject to optimization (memory)
991      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
992        + subject to reordering (many GOTOs in the original code)
993        + so far opps is called for every (i,j) point, and then operates in
994          the vertical; one may want to reorder the scheme in order operate in
995          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
996          fields)
997    o overhaul of IO so that we now have flags for MDSIO and/or MNC
998      - all verification tests compile and run with linux_ia32_g77
999      - defaults are compatible with current input files--nothing
1000        should change if you were not previously using MNC
1001      - MNC output has been added in numerous places (eg. timeave)
1002        but there are still a few writes not yet do-able with MNC
1003        (this is in progress)
1004      - flags now allow for either/or/both use of MDSIO and MNC and
1005        documentation will soon follow
1006      - numerous small formatting cleanups for ProTeX
1007    o add version info (via BUILD_INFO.h) to MNC and stdout
1008    
1009    checkpoint54e_post
1010    o add two new packages
1011      - pp81 (Packanowski and Philander, 1981), Richardson number and
1012        stratification dependent mixing
1013      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1014      - these scheme operate in a similar manner as KPP (without ghat, of
1015        course), however there is only one diffusivity that is used for both
1016        temperature and salinity (and passive tracers)ç
1017    o add offline package
1018    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1019      provided by Stephanie Dutkiewicz
1020    o genmake2: add ability to search for C compilers and cleanup test output
1021      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1022    
1023    checkpoint54d_post
1024    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1025    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1026      leading to additional shift by 5 days each year of integration
1027       (i.e. leading to considerable offset over the years)
1028    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1029    o start with no AB and no initial filtering (staggerTimeStep):
1030      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1031    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1032      (external loading & cpl import/export stay in forward_step.F)
1033    o update coupling interface to work with new staggerTimeStep
1034    o change MDSIO ptracers_pickup.
1035    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1036    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1037    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1038    
1039    checkpoint54c_post
1040    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1041      this affects (truncation error) output.txt of test-exp:
1042       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1043    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1044    o change Qnet to always be the net heat flux, (+upward).
1045      affects (truncation error) output of natl_box exp.: updated
1046    o define the max number of passive tracers in PTRACERS_SIZE.h
1047    o start to test mnc routinely in exp0
1048    o add sea-ice loading (sIceLoad) as a new forcing field.
1049    
1050    checkpoint54b_post
1051    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1052       impressive on Altix and Opteron systems)
1053    o diagnostics can now write NetCDF files through the mnc package
1054    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1055    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1056    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1057      affects (truncation error) output of lab_sea & natl_box exp.: updated
1058    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1059    
1060    checkpoint54a_post
1061    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1062    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1063    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1064    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1065      + internal_wave (shift in writing cg2d_ini_res)
1066    checkpoint54a_pre
1067    
1068    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1069      - modified verification/lab_sea and natl_box_adjoint accordingly
1070    
1071    checkpoint54
1072    checkpoint53g_post
1073    o prepare splitting of thermodynamics: store convect.counter in common block
1074    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1075      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1076    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1077    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1078    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1079    o restore adjointability
1080    
1081    checkpoint53f_post
1082    o modifications that affect AIM experiment results (update output.txt):
1083      - no advection of S at top interface Nr (pkg/generic_advdiff)
1084      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1085    o AIM pkg:
1086      - include stability function into surf.Flux derivative relative to Tsurf
1087      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1088    
1089    checkpoint53e_post
1090    o merged cylindrical coord configuration
1091    o added rotating_tank experiment
1092    checkpoint53e_pre
1093    
1094    checkpoint53d_post
1095    o faulks upgraded: re-generate output.txt that have changed:
1096       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1097    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1098    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1099    o added Sadourny discretization of Coriolis
1100      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1101      - re-enabled use of omega3 (useAbsVorticity)
1102    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1103      vector-invariant equations
1104      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1105    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1106      hopefully without new bugs
1107      - still to do: biharmonic friction for non-hydrostatic w
1108    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1109    o regenerated output for global_ocean_ebm (using -ieee)
1110    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1111      of mom_common/
1112      - simple re-arrangement of instructions within computing loop
1113    checkpoint53d_pre
1114    
1115    checkpoint53c_post
1116    o new version of coupler for AIM+thSIce and Ocean models
1117     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1118     - land: change Evaporation of snow
1119     - aim with thSIce: fix bug in snow-precip.
1120    o changes to calc_gw.F
1121     - bug fix for w^2 term near the bottom boundary
1122     - (hopefully) improve the lateral slip boundary condtions for use with
1123        partial/looped cells
1124      - because the bug fix changes two verification experiments anyway (exp5
1125        and plume on slope), change the lateral boundary condition from half slip
1126        to the value of no_slip_sides
1127    o ebm package wasnt quite up to the parallel task. Fixed that.
1128    o Adjoint of EBM package + verification
1129      * TLM OK
1130      * ADM not sufficient accuracy yet (needs further testing)
1131    
1132    checkpoint53b_post
1133    o Commiting new energy balance model to repository
1134      * package is pkg/ebm
1135      * verif. is verification/global_ocean_ebm
1136      * references are in ebm_driver.F
1137    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1138    C        Global thermohaline circulation. Part I:
1139    C        Sensitivity to atmospheric moisture transport.
1140    C        J. Climate 12(1), 71-82
1141    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1142    C        Global thermohaline circulation. Part II:
1143    C        Sensitivity with interactive transport.
1144    C        J. Climate 12(1), 83-91
1145    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1146    C        Destabilization of the thermohaline circulation
1147    C        by atmospheric eddy transports.
1148    C        J. Climate 7(12), 1870-1882
1149    o Will need long integration testing.
1150    checkpoint53b_pre
1151    
1152    o created pkg/mom_common in preparation for variable viscosity code
1153    o renamed and split ini_mnc_io
1154    o pkg/land: only liquid water can diffuse or run-off
1155    o AIM using land: soil wetness availability account for snow
1156    o added printMapIncludesZeros to EEPARMS namelist
1157    
1158    checkpoint53a_post
1159    o restore TAMC compatiility for exf_constants.h
1160      (no usage of _d in .h)
1161    o Additional storing in KPP in an attempt to fix
1162      TAMC problem with adjoint of KPP code.
1163      (no success...)
1164      Identical code works fine with TAF.
1165    o Fixed verification/natl_box_adjoint experiments.
1166      Initial conditions for Experiments 4 and 5 are now
1167      set to "SEAICE_initialHEFF=0", which is more reasonable,
1168      and hence gives results closer to that of Experiment 2.
1169      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1170    
1171    checkpoint53
1172    o stable checkpoint with up to date adjoint
1173      TLM tests only run for 1st grdchk at the moment. Its unclear if
1174      this is a code problem or a problem with resetting code for g_
1175      variables that is being autogenerated wrong.
1176      Otherwise:
1177       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1178       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1179         are both still in chaos following their security messes.
1180    
1181    checkpoint52n_post
1182    o various build (mostly genmake2) changes including:
1183      - ability to build/run more easily within Cygwin and MacOS X
1184      - more complicated Makefiles with a stronger dependence on Gnu Make
1185    o pkg/seaice modifications
1186      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1187        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1188        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1189      - changed proxy for geostrophic velocity and updated
1190        verification/lab_sea/results/* accordingly
1191      - removed ADI dynamic solver from pkg/seaice
1192      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1193        they caused a segmentation fault under certain circumstances
1194      - removed unused field WATR
1195    o bug fix in exf-package:
1196      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1197         now reflect that.
1198    o small fixes in the cal-package:
1199      - set reference date to first of January for the 'model'-calendar
1200      - failing of cal_CheckDate in cal_FullDate now actually results in a
1201        warning
1202    o small modifications in exf-package to increase flexibility:
1203      - change climtempfreeze from a constant to a runtime parameter that
1204        is specified in data.exf_clim (default = -1.9)
1205      - introduce runtime parameter windstressmax (default = 2.0) that is
1206        specified in data.exf
1207    o fix in pkg/thsice:
1208      - update Evap (Tsf changes) to be consistent with Latent heat flux
1209      - maintain snow precipitation unchanged (even if Tsf >=0).
1210     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1211    
1212    checkpoint52m_post
1213    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1214      this does not change any of the results, because myIter=0 in swfrac always
1215      lead to jwtype=2 (the default anyway), but the call makes little sense
1216      as a default
1217    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1218    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1219      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1220    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1221    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1222    o extending useSingleCpuIO option to work with new exch2 I/O format
1223      - old-style, missing-tile I/O is still accessible by defining CPP
1224        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1225    o monitor package can write to NetCDF files and/or STDOUT
1226    o fix re-definition bug in MNC_GRID_INIT_ALL()
1227    o doc/api_reference added
1228      - a framework for building an API Reference Manual using all
1229        the "protex" comments embedded in the code
1230      - see pkg/generic_advdiff, pkg/mnc for examples
1231    o MNC:
1232      - make myThid the last argument for all subroutines
1233      - new default for the grid files: NO halos
1234      - add useMNC and other run-time flags
1235      - separate per-file-group handling of the unlimited dimension
1236      - early initialization of MNC w/ flags read at the eeboot stage
1237        and lookup tables set in initialize_fixed
1238      - write all MNC output to a freshly-created directory
1239    o thermodynamics sea-ice (thsice) is now tested with testreport.
1240    o test exp. advect_cs: use the standard cs32 grid ; update output.
1241    o Added functionality to grdchk:
1242      pick global i,j,k position (or nearest wet) where to perform check.
1243    
1244    checkpoint52l_post
1245    o new land formulation:
1246      a) use ground enthalpy as prognostic variable to ensure exact
1247         energy conservation.
1248      b) account for water temperature and for latent heat of freezing
1249         in all processes (rain, run-off, ground storage)
1250      c) compute surface and ground temperature implicitly.
1251    o aim_v23 modification for new land model:
1252      a) Treat separately land / ocean / sea-ice surface fluxes
1253         to allow implicit computation of land & sea-ice surface temp.
1254      b) add snow precipitation.
1255    checkpoint52l_pre
1256    
1257    o fix problem (when 1 tile is empty) in min/max monitor.
1258    o fix bug in timeAve (u,vZetatave in common block)
1259    o no restoring terms under ice for pkg/seaice
1260    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1261    o bug fix for pkg/seaice pickups
1262    o change MNC call locations and add coordinate attributes
1263    o mask vorticity at the corner ; affects global_ocean.cs output
1264    o fix ini_curvilinear_grid ; test CS experiments with mpi
1265    o aim.5l_cs: modify sea-ice fraction input file ; update output
1266    o exf: Adding simple range check routine for exf fields after read
1267    
1268    checkpoint52k_post
1269    o removed top-level directory "diags"
1270      - we migrated these functions to pkg/timeave a long time ago
1271    o fixed bug introduced in pkg/monitor
1272    o accuracy ctrlprec = 32 insuffient for gradient checks using
1273      averaged fields (I/O via cost_averages)
1274      -> use ctrl.h in active_file*.F to control I/O precision.
1275    o paramter list of CALL ADTHE_MAIN_LOOP
1276    o added initial do_the_model_io to ecco
1277    o set all ...Freq to zero after cost_final
1278      taveFreq, dumpFreq, pChkptFreq
1279    o MAIN and ECCO differentiability restored
1280    
1281    checkpoint52j_post
1282    o fix nchklev in tamc.h for global_ocean...
1283    o Bringing flow and store directives up-to-date
1284    o Really weird thing!
1285      call do_the_model_io from the_main_loop with parameters
1286      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1287      TAF places a faulty re-call of initialise_varia
1288      after cost_final call which should not be there!
1289    checkpoint52j_pre
1290    
1291    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1292      error messages
1293    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1294    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1295      debug output
1296    o modfied mdsio_writefield.F to handle non-global files under exch2
1297    o update AIM Cubed-Sphere exp (aim.5l_cs):
1298      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1299    o update AIM Equatorial Channel exp:
1300      use standard aim_v23 pkg and change the SST fields to be more realistic.
1301    o globalFile now works with exch2
1302    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1303      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1304    o limit timeave output for hi-res integrations
1305    
1306    checkpoint52i_post
1307    o removed CPP_EEOPTIONS.h from verification/*/code
1308    o updated the tiling for global_ocean_pressure
1309    checkpoint52i_pre
1310    
1311    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1312      the old pkg/aim).
1313    
1314    checkpoint52h_pre
1315    o shortened offending lines in exch2_send_rx?.template
1316    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1317    o genmake2: add build & execute test for NetCDF code
1318    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1319      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1320    o added useSingleCPUIO flag to monitor.F and mon_out.F
1321    o added temporary hack for sea-ice dynamics on the cube:
1322      metric terms are ignored and it is assumed that
1323      there is no sea-ice on cube faces 1, 2, 4, and 5.
1324    
1325    checkpoint52f_post
1326    o added exch2 cube routines to pkg/exch2
1327    o modified hs94.cs-32x32x5 to use it
1328    o added new grid files to hs94.cs-32x32x5
1329    checkpoint52f_pre
1330    
1331    checkpoint52e_post
1332    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1333      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1334    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1335      to work with implicit vertical advection and AB ;
1336    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1337    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1338     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1339    checkpoint52e_pre
1340    
1341    o fix bug in impldiff when Nr=1 or Nr=2.
1342    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1343    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1344    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1345      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1346    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1347    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1348    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1349    
1350    checkpoint52d_post
1351    o re-tiled many expts to allow comparison in multi-processor mode
1352      - updated output accordingly
1353      - changed hs94.128x64x5 to use intial T from file rather than use the
1354        random number generator
1355    o add infrastructure in model routines for fizhi and gridalt packages
1356    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1357    o changes to permit hi-res, cubed-sphere, configuration
1358      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1359      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1360      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1361        of surface winds for the cube
1362      (A verification experiment, based on global_ocean.cs32x15, but with
1363       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1364       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1365       complete with example surface forcing files and matlab scripts to look
1366       at the output and compare it with that of global_ocean.cs32x15.)
1367    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1368       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1369       to conform to the common rule.
1370    o check-in the first version of the coupler + interfaces for multi-components
1371       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1372       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1373       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1374       - ocean and atmos. share the same horizontal grid (no interpolation).
1375       - exchanges between component and coupler is done in forward_step
1376    o new verification experiment, cpl_aim+ocn:
1377       coupled ocean - AIM atmosphere on cs32 grid.
1378    
1379    checkpoint52d_pre
1380    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1381    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1382    
1383    checkpoint52c_post
1384    o Fixing OPTIONS files for use of exf:
1385      - ALLOW_ECCO not needed
1386      - ECCO_CPPOPTIONS.h should not be included from
1387        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1388        as has been the case in the past
1389      - All cal/exf related options are currently set in
1390        single header file. Should remain so until we
1391        agree on a consistent new policy.
1392    o Removed all CPP options for cal package.
1393      cal has no more CPP options.
1394    o modified STOREs in GAD_ADVECTION
1395    o corrected key comp. for passkey
1396    
1397    checkpoint52b_post
1398    o new version: "thsice" of thermodynamic sea-ice pkg:
1399     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1400     - modify fluxes but do not change theta directly;
1401     - light cleaning of bulk_force pkg (still needed with thsice).
1402     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1403       + output_thsice.txt to test thsice & bulk_force pkgs.
1404    o put back grid & coriolis monitor output.
1405    checkpoint52b_pre
1406    
1407    o call "do_the_model_io" at the beginning (=> dump initial state)
1408    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1409    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1410      (need info on NUMBER_OF_PTRACERS)
1411    o missing PTRACERS headers in some routines
1412    o default tamc.h in pkg/autodiff supposed to crash
1413      to ensure proper customization
1414    
1415    checkpoint52a_post
1416    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1417      - moved surfaceTendencyTice from pkg/seaice to main code
1418      - subroutine FREEZE_SURFACE now limits only surface temperature
1419        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1420        => new output.txt for global_ocean.cs32x15 & global_with_exf
1421      - keep the old version of FREEZE for backward compatibility;
1422        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1423      - corresponding modifs for TAF directives
1424    o added surface flux output variables to TIMEAVE_STATVARS
1425    o time-averaged output for pkg/ptracers
1426    o fix problem with ECCO-related divided adjoint
1427      snapshot file was missing some ad-variables,
1428      but no warning issued by TAF
1429    
1430    checkpoint52a_pre
1431    o some bug fixes for #undef REAL4_IS_SLOW
1432    
1433    checkpoint52 = ecco_c52_e35
1434    o after testing adjoints of checkpoint51u_post
1435    
1436    checkpoint51u_post
1437    o this is the post-merge tag of the ecco-branch
1438      (needs another clean checkout and re-testing)
1439    o various natl_box_adjoint configs and results
1440      but no input fields
1441    o obcs adjoint not yet merged!
1442    o adding ECCO global 1x1 and 2x2 degree configs
1443    o updated/extended some store directives for seaice
1444    o pkg/ecco now containes ecco-specific part of cost function
1445    o top level routines the_main_loop, forward_step
1446      supersede those in model/src/
1447      previous input data.cost now in data.ecco
1448      (new namelist ecco_cost_nml)
1449    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1450    
1451    checkpoint51t_post
1452    o this is the pre-merge tag of the ecco-branch
1453    
1454    checkpoint51s_post
1455    o cleanup: removed various obsolete #define-s
1456    o pkg/grdchk
1457      - renamed 'ph-grd 3' to 'grad-res'
1458      - merged from ecco-branch
1459        (remaining bug fixes for obcs gradient checks)
1460      - additional high-precision output for testreport
1461        (grep for 'precision_grdchk_result')
1462    
1463    checkpoint51r_post
1464    o cleaned up or removed CPP_OPTIONS.h files
1465    o updated results for some of the tests to reflect the new
1466      optfiles (-ieee: -O0 instead of -O3)
1467    
1468    checkpoint51q_post
1469    o cd_code:
1470      - moved cd_scheme.F -> cd_code_scheme.F
1471      - separate read_checkpoint from cd_code_ini_vars.F
1472      - separated cd_code part from write_checkpoint
1473      - updated AD_SOURCE, generated .flow
1474      - added CD_CODE_VARS.h to the_main_loop
1475      - Moving cd_code specific store dir.s to pkg/cd_code
1476    o ctrl package totally restructured
1477      - pack/unpack now optional and decoupled from
1478        xx_/adxx_ I/O
1479      - ctrl_pack/unpack cleaned
1480        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1481      - confined inclusion of AD_CONFIG.h to where necessary.
1482    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1483    
1484    checkpoint51p_post
1485    o create initial cd_code package
1486      - WARNING: the initialization of fields within packages
1487        is broken because INI_FIELDS (where READ_CHECKPOINT is
1488        called) is called *before* PACKAGES_INIT_VARIABLES.
1489        This seems to be backwards since
1490        1) its important to initially zero the entire field including
1491           the "halo" region
1492        2) zeroing needs to be done *before* reading pickup info
1493           and the pickup call might or might not happen in any
1494           particular run
1495      - this needs an overhaul for R2
1496    o cleanup verification/*/code/GMREDI_OPTIONS.h
1497    o cleanup testreport
1498    
1499    checkpoint51o_post
1500    o bringing AD-related verif's up to date with genmake2
1501      - carbon/
1502      - global_ocean.90x40x15/
1503      - hs.94.1x64x5/
1504      - (front_relax/ )
1505    o (more) consistent directory structure for AD-related verif.'s
1506    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1507    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1508    o bug fix in find_alpha.F for MDJWF:
1509      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1510        change rho -> rho-rhoConst
1511      - replace call find_rho to find_rhonum
1512    o initialisation of rFlx extended to full array (required by TAF)
1513      and shifted to thermodynamics
1514    o removed PTRACERS.h in ptracers routine
1515    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1516    o Correcting initialisations for fVerU, fVerV.
1517    o helping TAF to recognize dependency on kUp for
1518      fVerU, fVerV
1519    o Replacing delZ by delR in pkg/ctrl/
1520    checkpoint51o_pre
1521    
1522    o undid all of cp51 pending some cleanups and discussion
1523    o added the [#include "AD_CONFIG.h"] statement to all files that need
1524       it for adjoint/tl #defines
1525     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1526     o removed tools/genmake since it no longer works
1527    
1528    checkpoint51n_post
1529    o modifications to make FREEZE flux visible to pkg/kpp
1530      - moved surfaceTendencyTice from pkg/seaice to main code
1531      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1532      - subroutine FREEZE now limits only surface temperature
1533        (this means new output.txt for global_ocean.90x40x15,
1534         global_ocean.cs32x15, and global_with_exf)
1535    o added surface flux output variables to TIMEAVE_STATVARS
1536    
1537    checkpoint51n_pre
1538    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1539    o added [#include "AD_CONFIG.h"] to all files that use the following
1540      defines:
1541      - ALLOW_ADJOINT_RUN
1542      - ALLOW_TANGENTLINEAR_RUN
1543      - ALLOW_ECCO_OPTIMIZATION
1544    
1545    checkpoint51m_post
1546    o incorporating changes to get TAMC/TAF working in genmake2
1547      - added new TAMC/TAF targets to the Makefile
1548      - various cleanups related to package handling
1549      - these changes should have no impact on the forward model
1550    
1551    checkpoint51l_post
1552    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1553     - faster algorithm for cal_addtime.F
1554     - higher precision arithmetic, where needed
1555     - pkg/exf *startdate variables changed from calendar date to
1556       model integration time
1557    
1558    checkpoint51l_pre
1559    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1560    o enable to apply restoring on S & T only in a latitude band.
1561    o update output (external_forcing_surf modif. change truncation errors)
1562       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1563    
1564    checkpoint51k_post
1565    o change default to: useNHMTerms=.FALSE.
1566     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1567       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1568     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1569        exp1, ideal_2D_oce
1570     - change data file of oceanic exp (leave the results unchanged for now)
1571       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1572    o set gravitySign automatically according to the vertical coordinate used
1573      (and change sign: back to "logical" value: +1 when R increases downward)
1574    o added an include barrier to the default CPP_OPTIONS.h and
1575      removed the #include "PACKAGES_CONFIG.h" from it
1576    o fix a bug in mom_fluxform (from chk51j_post)
1577    
1578    checkpoint51j_post
1579    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1580    o adjusted some flow directives (dynamics, thermodynamics)
1581    o added cubed-sphere case to test cost function
1582    o heckpoint_lev?_directives.h now include
1583      pkg-specific directives, whenever those are enabled.
1584    o Moving pkg-specific flow directives to corresponding pkg
1585      Moving pkg-specific differentiation list to corresponding pkg
1586      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1587      ---> conventions are
1588           - pkg_ad.flow
1589           - pkg_ad_diff.list
1590           - pkg_ad_check_lev?_dir.h
1591    
1592    checkpoint51i_post
1593    o merge of the branch-genmake2
1594      - knowingly breaks the older genmake
1595      - automatic generation of all ALLOW_${PKG_NAME} defines
1596      - new testreport supersedes older testscript
1597    o large number of package inclusion and header cleanups
1598    checkpoint51i_pre
1599    
1600    o new output for adjoin of global ocean vector invariant
1601    o fix for checkpoint of thermodynamic seaice and bulk_force
1602    o Steph gchem various cleanups
1603    
1604    checkpoint 51h_pre
1605    o fixed some single quotes
1606    o modify gchem pkg to be more versatile
1607    o modifications to clean up dic pkg
1608    o add pkg/cfc
1609    
1610    checkpoint51g_post
1611    o provide links for ARPACK and ADM*TLM
1612    o start removing verification/vero/
1613    o update AD-related stuff
1614      (in particular some IF-statements in model/src/ routines)
1615    o adding to verification/global_ocean.90x40x15/ adjoint of
1616      vector invariant setup
1617    
1618    checkpoint51f_post
1619    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1620    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1621      of tracer Green's fucntions for ocean inversion project.
1622    
1623    checkpoint51f_pre
1624    o Added on-the-fly spatial interpolation capability
1625        "USE_EXF_INTERPOLATION" to pkg/exf.
1626      - This is a temporary Cartesian-grid hack until
1627        the super-duper ESMF coupler becomes available.
1628      - See verification/global_with_exf/README for usage example.
1629      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1630        flags and modified pkg/seaice accordingly.
1631    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1632        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1633        non-local transport term.
1634    
1635    checkpoint51e_post
1636    o pkg/mom_vecinv:
1637      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1638      - add time-ave diagnostic of vorticity advection.
1639    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1640    o atmospheric geopotential: - include water vapor effect;
1641                                - use p^kappa in p* scaling.
1642    o land pkg: read initial state from files.
1643    o AIM : add stratospheric drag in the upper level
1644    
1645    checkpoint51d_post
1646    o change function ILNBLNK (=> last non-blank char.) to return zero
1647      (instead of the string length) when the string. char is empty
1648    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1649    o modif's to restore TAMC compatibility
1650      - avoid "_d" constructs in PARAMETER declarations
1651      - avoid interrupting lines by comment lines
1652    o Use cluster local disks for purely local I/O
1653      vs. globally visible disks needed for ctrl stuff
1654      (merged from ecco-branch)
1655      - new active_file_loc... and mdsio_..._loc routines
1656      - affected packages: autodiff, ctrl, grdchk, mdsio
1657    
1658    checkpoint51c_post
1659    o introducing integer flag debugLevel
1660      - debLevZero: suppress all output
1661      - debLevA: standard
1662      - debLevB: equivalent to current debugMode=.TRUE.
1663    o introducing pathname variable mdsioLocalDir for mdsio
1664      that can be specified at runtime
1665      (relevant for cluster I/O to local disk)
1666    `
1667    >>>checkpoint51b_post
1668    adjoint of ptracers
1669    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1670    o extended state in checkpoint_lev?, etc.
1671    o alternative ctrl/cost with tr1 or ptracer
1672    o new comlev1_bibj_ptracers
1673    o new ptracers.flow
1674    o made ptracers_forcing same as external_forcing_s
1675    o added verification for adjoint with ptracers
1676      - adm. grdchk fail so far
1677      - tlm. grdchk OK
1678      - checked tapelev/comlev recomputations: OK
1679    <<<checkpoint51b_pre
1680    
1681    checkpoint51a_post
1682    o added code for biogeochemistry package
1683      - new pkgs: dic, gchem
1684      - new subroutine in ptracers
1685    o modify code for biogeo packages
1686      - in model/src and pkg/ptracers
1687    
1688    checkpoint51
1689    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1690      - autodiff, ctrl, exf, grdchk, seaice
1691      kept separate packages
1692      - cost, ecco, obcs
1693    o updating verification/internal_wave, verification/lab_sea
1694      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1695    
1696    checkpoint50i_post
1697    o Preparing next differentiable checkpoint and sync
1698      of MAIN vs. ecco-branch
1699      - 1st step: this one is differentiable
1700      - 2nd step: next(! not this) checkpoint will have updated packages
1701                  from ecco-branch)
1702    
1703    checkpoint50h_post
1704    o new package "land": provide surface BC for AIM.
1705    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1706    o AIM: use true log-P extrapolation for near surface temp (= as in
1707        F.Molteni paper) ; update aim.5l_cs output.
1708    o New variable in PARM03 for more flexible pickups
1709    o somewhat cleaned package initialisation sequence for
1710      ctrl/ cost/ ecco/ in packages_... routines
1711    
1712    checkpoint50g_post
1713    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1714      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1715      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1716        made the default because of faster convergence than ADI
1717    
1718    checkpoint50f_post
1719    o exf totally restructured
1720      - replaced all exf_set_ routines by one generic exf_set_gen.F
1721        and made sure it's still differentiable
1722      - split exf_getffields.F into new exf_bulkformulae.F
1723      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1724      - updated adjoint/makefile and relevant verif. accordingly
1725    
1726    checkpoint50f_pre
1727     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1728          + change Evap over land. (update aim.5l_cs output)
1729     o added missing .cvsignores and made uniform across expts
1730     o changed configuration of tidal_basin_2d expt
1731     o added pkg/debug functions for tracing code in fatal crashes
1732     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1733     o new fn in pkg/monitor to stop model if solution grows too big
1734     o removed lots of single quotes from comments
1735    
1736    checkpoint50e_post
1737    o make KPP work with PTRACERS
1738     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1739       nearly a copy of kpp_transport_s
1740     - there is no analogue to SurfaceTendencyS, so I have to use
1741       gPtr(of the surface layer) instead
1742    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1743    checkpoint50e_pre
1744    
1745    checkpoint50d_post
1746    o change kpp output from multiple-record state files to single-record state
1747      files analogous to write_state.F
1748    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1749      analogous to the cg2d-related output.
1750    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1751      so that writing to internal file fn (with length 512) fails.
1752    checkpoint50d_pre
1753    
1754    checkpoint50c_post
1755    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1756    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1757    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1758    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1759    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1760    
1761    checkpoint50c_pre
1762    Merging from release1_p13:
1763    o bug fix for pkg/seaice dynamic solver
1764    o Added SEAICE_initialHEFF to pkg/seaice
1765    
1766    checkpoint50b_post
1767    o store u*,v* in gU,V instead of in guNm1,gvNm1
1768    o in order to put the momForcing out of the Adams-Bashforth:
1769      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1770      to timestep.F
1771    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1772    o re-generate output for highly sensitive test-exp:
1773       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1774    
1775    checkpoint50b_pre
1776    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1777    o corrected CPP option mismatch in exf_Bulk... functions for case
1778      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1779    
1780    checkpoint50a_post
1781    o Bug fix for merging between c50 and KPP.
1782      ikey was passed from thermodynamics to kpp_calc via
1783      common block rather than being recomputed in kpp_calc,
1784      in contradiction with new key itdkey.
1785      New key ikppkey created, and tamc.h headers updated.
1786    
1787    checkpoint50
1788    - 2nd step of merge with ecco-branch:
1789      merge changes in ecco-branch back into main trunk
1790    - bug fix in find_alpha
1791    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1792    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1793    - merged some sliced AD support routines
1794    
1795    checkpoint49
1796    merged from ecco-branch:
1797    o exf:
1798      - Enable initialisation of forcing fields to constant
1799        (runtime) values.
1800      - in exf_getffields.F
1801        Reduce i-/j-loop to interior domain, discarding overlaps.
1802        That also fixes wrong TAF-key computations for key_1, key_2
1803        with bulf formulae.
1804      - exf_init.F modify #ifdef for exf_init_evap
1805      - exf_getffieldrec.F, ctrl_getrec.F
1806        The following INT-usages are not safe:
1807          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1808          fldcount = int(fldsecs/fldperiod) + 1
1809        and were modified.
1810    o autodiff: checkpoint_lev...
1811      - updated storing for bulk formulae (some arrays were missing)
1812      - added state for seaice package
1813      - synchronized with main branch
1814    o DIVA:
1815      Modif.s in
1816      - the_main_loop.F
1817      - the_model_main.F
1818      and added cost_final_restore.F cost_final_store.F
1819      o With these changes, it is possible to fully separate
1820        the first forward run to compute the cost function (mdthe_main_loop)
1821        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1822        into separate model executions.
1823        This enables better tuning of DIVA to given queue sizes.
1824      o Loss of cost function value in consecutive DIVA runs is
1825        fixed by storing to 'costfinal' file.
1826      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1827        beginning/end of adjoint integration is accounted for.
1828      The current changes apply to TAF-1.4.26.
1829      TAF has one remaining bug, requiring one manual change
1830      (see MITgcm manual).
1831    o cal: synchronized between MAIN and ecco-branch
1832    
1833    checkpoint48i_post
1834    o Changes to restore differentiability of code w.r.t. previous tag
1835      (mostly adding new routines to make list and replacing
1836      pressure by totPhiHyd).
1837    o Updated and merged grdchk package
1838      - has both ADM and TLM checks
1839      - works for single- and multi-proc.
1840      - output cleaned
1841      - worked successfully for parallel DIVA
1842    o genmake:
1843      - Adding -platform=SP4
1844      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1845    o Modif. for DIVA:
1846      ctrl_unpack should not be called in intermediate DIVA interval.
1847      (similar thing would apply for active files such as
1848      tbar, sbar, psbar, which should not be reinitialised;
1849      only relevant for ecco-branch)
1850    
1851    checkpoint48h_post
1852    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1853    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1854    o Added SEAICE_initialHEFF to pkg/seaice
1855    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1856    
1857    checkpoint48g_post
1858    --- EOS:
1859    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1860      store total Potential in totPhyHyd for diagnostics & EOS.
1861    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1862    --- Pressure/geopotential gradient:
1863    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1864    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1865      ( changes results of global_ocean_pressure )
1866    o NLFS + z-coord.: add eta*Rho' contribution.
1867    o accurate phiHyd when using interface-W at the middle between 2 centers
1868     ( changes results of ideal_2D_oce )
1869    o includes r* 2nd term in potential gradient.
1870    
1871    checkpoint48f_post
1872    Merging from release1_p12:
1873    o Modifications for using pkg/exf with pkg/seaice
1874      - improved description of the various forcing configurations
1875      - added basic radiation bulk formulae to pkg/exf
1876      - units/sign fix for evap computation in exf_getffields.F
1877      - updated verification/global_with_exf/results/output.txt
1878    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1879      (SBO) core products, including oceanic mass, center-of-mass,
1880      angular, and bottom pressure (see pkg/sbo/README.sbo).
1881    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1882      to avoid negative values in shallow regions.
1883      - updated verification/natl_box/results/output.txt
1884      - updated verification/lab_sea/results/output.txt
1885    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1886    o Added useSingleCpuIO option (see PARAMS.h).
1887    o Updated useSingleCpuIO option in mdsio_writefield.F to
1888      work with multi-field files, e.g., for single-file pickup.
1889    o pkg/seaice:
1890      - bug fix in growth.F: QNET for no shortwave case
1891      - added HeffFile for specifying initial sea-ice thickness
1892      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1893    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1894      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1895    o pkg/seaice:
1896      - adjoint-friendly modifications
1897      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1898    
1899    checkpoint48e_post
1900    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1901    o dynamics: change definition of computational domain & adapt mom_fluxform
1902      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1903    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1904        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1905        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1906        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1907        inverted_barometer solid-body.cs-32x32x1
1908      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1909    
1910    checkpoint48d_post
1911    o in preparation for r*:
1912     a) use pre-computed gradient of hydrostatic potential:
1913        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1914     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1915        => affects results of glob_oce_pressure (different truncation error)  
1916      update output.txt of ideal_2D_oce & global_ocean_pressure
1917    
1918    checkpoint48d_pre
1919    o in preparation for r*:
1920      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1921      pass the 2 comp. of the grad. as arguments to momentum S/R.
1922      but for the moment, only used if it does not change the results.
1923    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1924    
1925    checkpoint48c_post
1926    Modifications in treatment of initial flux forcing controls
1927    to avoid extra storing of flux fields.
1928    
1929    checkpoint48c_pre
1930    o Added tidal_basin_2d experiment (currently 1D!)
1931    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1932    
1933    checkpoint48b_post
1934    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1935     (modification to pressure gradient not yet implemented)
1936    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1937      (for U & V) that are used for vertical advection of momentum.
1938    
1939    checkpoint48a_post
1940    o In preparation for r*, use temp. array to compute vertical transport
1941       in flux-form momentum pkg. => change results of few test-exp.
1942      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1943                        lab_sea, natl_box & plume_on_slope
1944    
1945    checkpoint48
1946    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1947    
1948    checkpoint47j_post
1949    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1950    o moved adexch from forward_step to addummy_in_stepping
1951    o added exch in ctrl_map_...
1952    o aveFreq.=0. at end of cost_final to avoid overwrite in
1953      reverse checkpointing loop
1954    o Yet more changes in gmredi:
1955      * adgmredi_calc_tensor
1956        avoiding all recomputation of gmredi_slope_limit
1957      * adgmredi_x/y/rtransport
1958        added flag for excessive storing to avoid recomp. of
1959        u/v/rtans, dTdx/y/z
1960        -> this is not really necessary and very memory-consuming
1961      * adgmredi_slope_psi:
1962        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1963      * gmredi_slope_limit
1964        re-activated full calculation of taperfct for case 'ac02'
1965    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1966    
1967    checkpoint47i_post
1968    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1969    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1970      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1971    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1972    o gmredi: fix few bugs.
1973    
1974    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1975    This will be a good checkpoint to plug into the ecco-branch.
1976    o few modif.'s to get latest version adjointed
1977      (mainly kick out code in ini_linear_phisurf)
1978    o modif's to run adjoint with exactConserv
1979    o case GM_BOLUS_ADVEC should be cleaned
1980      S/R gmredi_slope_psi should be cleaned
1981    o verification/carbon now has exactConserv=.TRUE.
1982    
1983    checkpoint47g_post
1984    o time-average AIM output: becomes independent from statvars time-average
1985      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1986    o After TAF bug fix:
1987      Tested adjoint of gmredi package.
1988      Tests were done with checkpoint47 rather than with latest
1989      checkpoint47f_post since the latter is broken for the adjoint
1990      verification/carbon/ contains both ADM and TLM gradient checks.
1991    Here they are, before they get changed/lost/stolen.
1992    Mostly modif.'s to fix numerical sensitivities.
1993    Gradient checks OK for
1994    - GM_taper_scheme:
1995      * clipping
1996      * ac02
1997      * linear
1998      * glw91
1999      * dm95
2000      * ldd97
2001    - GMREDI_OPTIONS:
2002      * GM_VISBECK_VARIABLE_K
2003      * GM_NON_UNITY_DIAGONAL
2004      * GM_EXTRA_DIAGONAL
2005      * GM_BOLUS_ADVEC
2006    in conjunction with data.gmredi parameters to be checked in
2007    in a few minutes under verification/carbon/code/
2008    
2009    checkpoint47f_post
2010    Merging from release1_p10:
2011    o modifications for using pkg/exf with pkg/seaice
2012      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
2013        and SEAICE_EXTERNAL_FLUXES
2014      - pkg/exf CPP options EXF_READ_EVAP and
2015        EXF_NO_BULK_COMPUTATIONS
2016      - usage examples are Experiments 8 and 9 in
2017        verification/lab_sea/README
2018      - verification/lab_sea default experiment now uses
2019        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
2020    
2021    checkpoint47e_post
2022    o created a tag prior to creating a branch
2023    
2024    checkpoint47d_post
2025    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
2026      at the bottom boundary had an erroneous half slip boundary condition
2027    o added bottom drag and no slip boundary condition capabilities to
2028      oceanic pressure coordinates code
2029    o added new verification experiment global_ocean_pressure, this experiment is
2030      also described in the tutorial section of the manual
2031    checkpoint47d_pre
2032    
2033    checkpoint47c_post
2034    o Added a verification experiment for a global cubed-sphere ocean run
2035      -  verification/global_ocean.cubed32x32x30
2036      -  uses pkg/therm_seaice and pkg/bulk_forcing
2037    
2038    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
2039    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
2040      when using P-coordinate; only implemented for atmospheric config.
2041    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
2042      NOTES: requires option NONLIN_FRSURF to be "#define".
2043    o update advect_xz/results/output.txt (left from checkpoint44g_post)
2044    
2045    checkpoint47b_post
2046    Merging from release1_p9:
2047    o pkg/seaice
2048      - removed GOTO's and added taf directives
2049      - double precision constants to reduce the g77 (Linux)
2050        to F77 (SGI) differences reported in release1_p8
2051    o tools/genmake
2052      - added SGI options
2053    o verification/testscript
2054      - updated to that of checkpoint47a_post
2055    o verification/global_ocean.90x40x15/input/eedata
2056      - modified for SGI f77 compatibility
2057    o verification/lab_sea
2058      - added description of sea-ice model
2059      - added missing matlab routines
2060      - added test of thermodynamics parallelization
2061    
2062    checkpoint47a_post
2063    o new pkg: aim_v23
2064     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
2065       for now, keep the same surface forcing as before.
2066     - Part-Cell implemented into AIM; check that Heat & Water are conserved
2067     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
2068     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
2069    o add diagnostic of surface correction term in monitor output
2070    
2071    o bulk_force and therm_seaice
2072    - Two packages:  bulk_force (Bulk forcing)
2073      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
2074    - Earlier integration from Stephaine Dutkiewicz
2075      and Patrick Heimbach.
2076    - Two ifdef statements for compile time,
2077       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
2078    
2079    checkpoint47
2080    differentiable version of checkpoint46n_post
2081    o bug fix in quasihydrostaticterms
2082    o * "clean" adjoint code (in terms of extensive recomputations)
2083        can now be obtained for all GMREDI options (i.e. for
2084        - GM_VISBECK_VARIABLE_K
2085        - GM_NON_UNITY_DIAGONAL
2086        - GM_EXTRA_DIAGONAL
2087        - GM_BOLUS_ADVEC )
2088      * However, wrong gradient check problem remains unsolved.
2089      * New CPP options have been introduced for different
2090        tapering schemes
2091    o external_fields_load now part of differentiation list
2092    o pressure needs multiple storing;
2093      would be nice to have store_pressure at beginning or
2094      end of forward_step, e.g. by having phiHyd global (5-dim.)
2095      (NB: pressure is needed for certain cases in find_rho,
2096      which is also invoked through convective_adjustment).
2097    o recomputations in find_rho for cases
2098     'JMD95'/'UNESCO' or 'MDJWF' are OK.
2099    o #define ATMOSPHERIC_LOADING should be differentiable
2100    o ini_forcing shifted to begining of initialise_varia
2101    o Incorporating QNVS line search routines into MITgcm
2102      (this is separate code, and therefore not under pkg)
2103      lsopt/, optim/
2104    o Updated verification/carbon/
2105      - #define GM_VISBECK_VARIABLE_K
2106      - GM_taper_scheme    = 'ldd97'    
2107    
2108    checkpoint46n_post
2109    Merging from release1_p8:
2110    o verification/natl_box:
2111      updating new external_fields_load routine
2112    o New package: pkg/seaice
2113      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
2114      The sea-ice code is based on Hibler (1979-1980).
2115      Two sea-ice dynamic solvers, ADI and LSR, are included.
2116      In addition to computing prognostic sea-ice variables and diagnosing
2117      the forcing/external data fields that drive the ocean model,
2118      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
2119      The implied surface heat flux is then stored in variable
2120      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
2121      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
2122      non-local transport term.  Because this call precedes model
2123      thermodynamics, temperature under sea-ice may not be "exactly" at
2124      the freezing point by the time theta is dumped or time-averaged.
2125      N.B.: fairly large differences in accuracy occur across
2126            different platforms/compilers; comparison between
2127            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
2128            generated output gives:
2129       T           S           U           V
2130      C D M    c        m  s        m  s        m  s        m  s
2131      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
2132      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
2133      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
2134    
2135      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
2136    o GAD:
2137      - generated new common blocks to account for call of
2138        same gad routines with differing traceridentities
2139        (needed to modify tracerIdentity indices in GAD.h)
2140      - generated separate common blocks for case useCubedSphereExchange
2141        (Department of Futurology)
2142      - parameter lists to gmredi_?transport: added tracerIdentity
2143      - added new key indices to tamc.h
2144    o external_fields_load:
2145      - added this routine to TAF list
2146      - needed to make some common blocks global and additional storing
2147        along the same lines as exf package (checkpoint_lev?_directives.h)
2148    o exf:
2149      updated external forcing package
2150      - bug fixes carried over from ecco-branch
2151        (missing OBCS_OPTIONS.h in two routines)
2152      - enable easy to use "no forcing".
2153      - added exf I/O for atmospheric loading
2154      - added exf I/O for runoff data
2155      - transfered scaling between exf <-> MITgcm to exf namelist
2156    o Adding new verification experiment global_with_exf.
2157      This verification experiment is almost identical to the
2158      global_ocean.90x40x15 experiment, except that it uses
2159      the exf (and cal) package instead of the
2160      external_fields_load routine (cf README file).
2161    
2162    checkpoint46m_post
2163    o modified testscript to return -- when there are no lines of "%MON" output
2164    o added new flag "quasiHydrostatic" for QH mode
2165      and new routine quasihydrostaticterms()
2166    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
2167      New routine: mom_u_coriolis_nh()
2168    o fixed sign of non-hydrostatic metric terms in u and v equations.
2169      Depend on correct sign of gravitySign.
2170    o added work.pc* to .cvsignore in aim directories using ifc
2171    o introduced flag for controllin non-hydrostatic metric terms
2172    o removed gravitySign from PARM04
2173    o switched to g77/ifc from pgf77 in aim experiments
2174    
2175    checkpoint46l_post
2176    o made convective adjustment work with pressure coordinates:
2177     - changed the direction of k-loop in convective_adjustment.F for the
2178       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
2179     - adjusted the reference pressure k-index in convective_adjustment.F
2180     - adjusted the convection condition in convect.F (in analogy to
2181       calc_ivdc.F)
2182     - convective_adjustment no longer computes anything on the halos
2183     - removed the warnings about negative salinity from find_rho.F and
2184       find_alpha.F; instead the new routine look_for_neg_salinity, called
2185       at the beginning of find_rho, find_alpha, and find_beta, does a
2186       check of the entire slice, if CPP-option
2187       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
2188    checkpoint46l_pre
2189    
2190    checkpoint46k_post
2191    o fixed the verification/global_ocean.90x40x15 experiment:
2192     - new bathymetry (the world according to A., JMC, and M.)
2193     - new initial fields and forcing fields (*.bin files)
2194     - new POLY3.COEFFS (for the next release one should switch to a full
2195       equation of state: JMD95P or MDJWF)
2196     - fixed several errors and redundancies in the data file
2197     - experiment uses looped cells
2198     - added matlab directory with diagnostic scripts for plotting of output
2199    
2200    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
2201     - read AIM physics parameters from a file (data.aimphys)
2202     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
2203    
2204    checkpoint46j_post
2205    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
2206    o move wVel computation at the end of the time step, in S/R integr_continuity
2207    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
2208    o update timeave pkg for wVel diagnostic.
2209    checkpoint46j_pre
2210    
2211    checkpoint46i_post
2212    o Clean up AIM package (and keep the results unchanged):
2213      include CPP_OPTION and use IMPLICT NONE in all routines ;
2214      declare all the variables _RL ; use _d 0 for all numerical constants.
2215      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
2216    
2217    checkpoint46h_post
2218    o cleaned up the use of rhoNil and rhoConst.
2219      - rhoNil should only appear in the LINEAR equation of state, everywhere
2220        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
2221        and the dynamical equations are all divided by rhoConst
2222    o introduced new parameter rhoConstFresh, a reference density of fresh
2223      water, to remove the fresh water flux's dependence on rhoNil. The default
2224      value is 999.8 kg/m^3
2225    o cleanup up external_forcing.F and external_forcing_surf.F
2226      - can now be used by both OCEANIC and OCEANICP
2227    checkpoint46h_pre
2228    
2229     Added code to convert surface volume flux (fresh water) into
2230     a mass flux when using P coordinates in the ocean (OCEANICP).
2231     Note: It assumes you have set rho0=rhoConst=density of fresh water.
2232    
2233    checkpoint46g_post
2234    o Include a new diagnostic variable phiHydLow for the ocean model
2235      - in z-coordinates, it is the bottom pressure anomaly
2236      - in p-coordinates, it is the sea surface elevation
2237      - in both cases, these variable have global drift, reflecting the mass
2238        drift in z-coordinates and the volume drift in p-coordinates
2239      - included time averaging for phiHydLow, be aware of the drift!
2240    o depth-dependent computation of Bo_surf for pressure coordinates
2241      in the ocean (buoyancyRelation='OCEANICP')
2242      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
2243        Theta, Salinity, and Pressure in the parameter list. This routine is
2244        presently contained in find_rho.F. This routine does not give the
2245        correct density for 'POLY3', which would be a z-dependent reference
2246        density.
2247    o cleaned up find_rho
2248      - removed obsolete 'eqn' from the parameter list.
2249    o added two new verification experiments: gop and goz
2250      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
2251    checkpoint46g_pre
2252    
2253    checkpoint46f_post
2254    o Enable tangent linear (forward mode) gradient checks:
2255      - extended active file handling to g_... files
2256      - added TANGENT_SIMULATION to theSimulationMode
2257      - extended grdchk package accordingly
2258    o added tangent linear setup in verification/carbon/code_ftl
2259    o added adjoint setup in verification/front_relax/code_ad
2260    
2261    checkpoint46e_post
2262    o Added new equation of state -> MDJWF
2263      - EOS of McDougall et al., 2002, JAOT, submitted
2264      - caveat: the equation of state is only valid for a smaller (more
2265        realistic?) range of values than JMD95P/Z and UNESCO
2266      - added masks to the calculation of pressure in store_pressure
2267      - added more check values for density in check_eos (ini_eos.F), some of
2268        the old check values are out of the range of the MDJWF-eos, so don't
2269        expect perfect matches for those
2270    checkpoint46e_pre
2271    
2272    checkpoint46d_post
2273    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
2274      'OCEANICP', also initialised field pressure correctly in ini_eos in the
2275      case of pressure coordinates. eosType='JMD95Z' in
2276      combination with buoyancyRelation='OCEANICP' now causes an error.
2277    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
2278      in find_alpha/beta.
2279    checkpoint46d_pre
2280    
2281    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
2282      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
2283    
2284    checkpoint46c_post
2285    o Changes necessary for ocean in p-coordinates
2286     -  Added new buoyancy relation = 'OCEANICP'
2287     -  Added new parameters = gravitySign (this used to be contained inside
2288        the factor dRdZ which I added when we first switched to R coordinates).
2289     X GM/Redi is not compatible (yet)
2290     X bottom drag and no-slip need to be debugged.
2291    checkpoint46c_pre
2292    
2293    checkpoint46b_post
2294    o Added new equation of state -> JMD95Z and JMD95P
2295      - EOS of Jackett and McDougall, 1995, JAOT
2296      - moved all EOS parameters into EOS.h
2297      - new routines ini_eos.F, store_pressure.F
2298    o Added UNESCO EOS, but not recommended because it requires
2299      in-situ temperature (see JMD95)
2300    o Modified formatting for knudsen2.f in utils/knudsen2 and added
2301      unesco.f to be used with POLY3
2302    checkpoint46b_pre
2303    
2304    checkpoint46a_post
2305    o Added (atmospheric) pressure loading
2306      - new field in FFIELDS.h, etc...
2307      - new cpp flag ATMOSPHERIC_LOADING
2308    o Changed hFacC to _hFacC in calc_phi_hyd.F
2309    o Added SHORTWAVE_HEATING to some files for consistency
2310    checkpoint46a_pre
2311    
2312    checkpoint46
2313    further merges from release1_p5
2314    o new ctrl package
2315      - adopted from ECCO environment to enable optimization
2316      - added Eliassen Palm fluxes to controls
2317    o added Eliassen Palm flux controls to gradient check package
2318    o cost package
2319      - Compatible with new ctrl package
2320      - added Eliassen Palm cost hooks
2321      - modif's of existing cost functions
2322    o Adjoint-related bug fixes in kpp:
2323      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
2324      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
2325    o autodiff package
2326      - flow directives:
2327        + new for S/R do_the_model_io
2328        + enhanced for S/R checkpoint
2329        + new gmredi.flow
2330      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
2331        disable adcommon.h/g_common.h by default.
2332      - fixed problem for adjoint of global_max
2333    o modified verification/carbon/
2334    o New setup for adjoint of global_ocean
2335    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
2336    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
2337    o incorporated hooks for sponge layer code (external_forcing.F)
2338    
2339    checkpoint45d_post
2340    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
2341    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
2342      (affects plume_on_slope "cg2d" output)
2343    o add new parameter deltaTfreesurf for free-surface time stepping
2344    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
2345    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
2346    o change phiMin in exp1 (to agree with documentation)
2347    o add new flags:
2348     - T,S forcing inside/outside Adams-Bashforth
2349     - turn off temp,salt advection and/or forcing
2350     - for each tracer, define internal flag for multiDimAdvection & A-B
2351    o monitor: change definition of KE to check conservation of Energy
2352    
2353    checkpoint45c_post
2354    o Removed f90 comments ("!")
2355    o Modified initialisations to enable exf package for MITgcm
2356      (without invoking ECCO_PACKAGE).
2357    o modifications to gradient check package (Martin Losch)
2358      - enable centered differences
2359      - modified format of standard output
2360    
2361    checkpoint45b_post
2362    o cleaned exchange calls in cg2d
2363    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
2364    o included CPP option SINGLE_LAYER_MODE in thermodynamics
2365      to configure barotropic setup (Martin Losch)
2366    o moved some initialisations within bi,bj loop in dynamics
2367      (TAF flow dependency)
2368    o in initialise_varia, moved call packages_init_variables
2369      before convective_adjustment_init
2370      (corresponding adjustment of TAF tape initialisation).
2371    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
2372    
2373    checkpoint45a_post
2374    o compute Rho over the whole domain (extend iMin,jMin indices)
2375    o specific exchange for X-slice domain (case Ny=1)
2376  o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code  o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
2377  o solve_for_pressure : set cg2d_x to zero where OBCS are applied  o solve_for_pressure : set cg2d_x to zero where OBCS are applied
2378    

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