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revision 1.75 by jmc, Thu Jun 20 23:52:03 2002 UTC revision 1.649 by mlosch, Tue Apr 18 13:47:40 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 and ptracers: fix boundary conditions for advections schemes
8      with larger stencil
9    o thsice adjoint: start
10    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
11      completeness
12    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
13      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
14    o ptracers adjoint:
15      * avoid extensive recomputatations
16      * fix missing re-init. of gptr (missed by TAF)
17    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
18      me to turn off the excessive output to STDOUT that this package produces
19    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
20      and add those terms in Vector-Invariant formulation.
21    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
22      if the control period (xx_hfluxperiod etc) is 0
23    o in profiles pkg, clean routines and fix details
24    o in ecco pkg, reading ssh data:
25      fix problem in case the model does not start at iter0=0
26    o fix mnc-pickup/restart for ptracers
27    o new package prifiles:
28      code to compute profile-based cost by Gael Forget
29      (modifs in ecco, ctrl, autodiff)
30    o Benign bug fix in initialization (spotted by M. Mazloff) of
31      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
32    
33    checkpoint58c_post
34    o adjoint: finish NLFS adjoint and provide reference output in
35      verification/global_ocean.90x40x15/results_ad_nlfs
36    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
37      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
38      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
39      with SEAICE_CGRID defined.
40    o move calendarDumps from "data" to "data.cal" and clean-up the code
41      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
42    o add useEXF & useCAL flags (for now, set in hard-coded way)
43    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
44      (were missing in NH mode, and wrong in quasihydrostatic mode).
45      waiting for Chris updated version of calc_gw to add those CALLs.
46    o fix bug in quasihydrostatic S/R ;
47      add a test for this option: global_ocean.90x40x15.qshyd
48    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
49      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
50    o add on/off flag useOffLine for package OFFLINE
51    o seaice:
52      - modify advection so that it works also on the C-grid
53      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
54        problem in multi-tile runs with C-grid
55      - add flags for clipping ice velocities and/or masking solver forcing
56      - fix drag (ocean on ice) formulation and a bug that caused noise in the
57        C-grid solver
58      - added a few comments to seaice_diffusion.F
59      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
60        are now exclusive)
61      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
62        required re-ordering the code a little:
63       + make DAIRN global variable (defined in SEAICE)
64       + move computation of the viscosities eta and zeta into a new separate
65         routine (because I need to recompute them in seaice_ocean_stress.F)
66    
67    checkpoint58b_post
68    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
69      update output.txt of exp. aim.5l_cs.thSI
70    o various mnc cleanups and improvements:
71      + shrink lookup tables by factor of ~4
72      + better error reporting when running out of lookup space
73      + able to handle longer path/file names (up to 500 chars)
74    o adjoint:
75      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
76      - TBD: "hidden" mom_vecinv recomp. in dynamics
77    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
78     (allow to differentiate between forcing components using new integer flags:
79      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
80     and add new flag to put Dissipation tendency out of Adams-Bashforth.
81    o ecco
82      - enable trend removal from SSH anomaly obs.
83    o adjoint
84      - a fix for PmEpR when #undef EXACT_CONSERV
85      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
86      - try to fix "hidden" recomp. in forward_step for NLFS
87        (NLFS seems broken sometimes after I checked it in)
88    o seaice:
89     - add c-grid version of the dynamic solver:
90       + three new routines that are the c-grid substitute lsr, dynsolver
91         and ostres
92       + put a few fields that were local to dynsolver into global common
93         blocks, so that I can move the computation of stresses etc into
94         seaice_lsr (saves coding but may break the adjoint).
95     - replace more hardwired parameters by runtime parameters
96     - add ice masks that mask the rhs of the implicit solvers where there
97       is no ice (commented out in seaice_dynsolver, because i am not sure
98       if this works properly), eventually this should replace the clipping
99       of ice velocities in seaice_dynsolver to +/-40cm/s.
100    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
101      include it only where its needed
102    o move balancing of fluxes before the call of external_forcing_surf
103    o seaice:
104      - correct units of turning angles (now they are really in degrees)
105      - move computation of GWATX/Y out of main routine into dynsolver
106      - initialize GWATX/Y in seaice_init
107    o Apply mask on Fresh-Water flux (needed for SSH forcing).
108      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
109    o seaice: add runtime flags for turning angles (default to zero)
110    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
111      and trend from exf forcing and ctrl control adjustments
112    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
113      (since checkpoint57x_post)
114    o change the default rotation period to 86164.s = the Earth rotation
115    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
116      and based on a reference stratification. Tested within hs94.cs-32x32x5.
117    o seaice advection: add code for choosing between the default (2nd order
118      central differences) and multiDim advection schemes provided by
119      pkg/generic_advdiff
120    o seaice:
121      - removed all references to SEAICE_GRID.h fields from
122        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
123        (cubed-sphere configuration will change a little)
124      - grid computations in seaice_init are obsolete now.
125      - cleaned up code a little so that is easier to read (hopefully).
126      - added new (better?) discretizations of default advection and diffusion
127        (turn on with SEAICEuseFluxForm)
128      - replace 1 in 3d global fields by kSurface in growth.F
129      
130    checkpoint58a_post
131    o seaice:
132      - bug fix in advect.F
133    o shelfice:
134      - separate shelfice load anomaly from pload (breaks with time
135        dependent forcing), => introduce constant field shelficeLoadAnomaly.
136        Its default is 0., but it may be computed more cleverly from (unknown)
137        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
138        done offline. A good approximation of the pressure load anomaly is
139        necessary to avoid large initial adjustment processes underneath
140        deep-reaching shelfice.
141      - small fix in ISOMIP shelfice_thermodynamics
142      - add more sophisticated thermodynamics of Hellmer (1989), this is
143        now the default
144      - give a few constants more intuitive names
145    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
146      if bulk formulae are used in long integration (especially EmPmR). Turn
147      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
148      if balancePrintMean, the imbalance that is substracted is printed to
149      STDOUT.
150    o fix bug (typo) in obcs_apply_eta.F
151    o add a new package shelfice which enables us to model the circulation
152      underneath shelf-ice with draughts of hundreds of meters.
153     - works
154     - to do: + include improved thermodynamics
155              + check whether kSurfC (from model/inc/SURFACE.h) can be used
156                instead of new field kTopC
157              + can we use topoFile, Ro_surf and existing code in ini_depth.F
158                instead of new field R_shelfIce and new code in ini_depth.F
159                and ini_mask_etc.F?
160              + adjust vertical mixing schemes?
161    o seaice pkg:
162     - add a cpp-flag to include a simple formula for a salinity dependent
163       freezing point of sea water at the surface
164     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
165       meridional stresses are now different (and hopefully correct)
166    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
167       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
168       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
169    o pkg/diagnostics: add options and parameters for regional-statistics
170       diagnostics ; define regions by reading a region-mask from a file
171       (might add other options later)
172    o pkg/bulk_force:
173     - add option and parameters to use AIM surface-flux formulae.
174     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
175       others forcing fields (defined in PARM05, parameter file "data") are loaded
176       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
177     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
178     - use the right EXCH call for uwind,vwind (to work on CS-grid).
179     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
180       and parameters (note: calcWindStress replaces .NOT.readwindstress).
181     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
182    
183    checkpoint58
184    o add "--embed-source" option to genmake2 which, when the supporting
185      tools can be compiled (as determined by genmake2) will turn on the
186      embed_files package which then embeds the entire MITgcm source code
187      (*.[fFhc] + Makefile) used for the build within the executable
188      - requested by CNH but off by default
189      - adds a paltry <9MB to the mitgcmuv executable in most cases
190      - only writes the output when useEMBEDSRC in eedata is true
191    o clean up 3-dim. relaxation codes:
192      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
193      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
194      * Thanks to Tom Haine for testing!
195    
196    checkpoint57z_post
197    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
198      affects output (@ truncation level) of exp. plume_on_slope ; updated.
199    o fix the pickup behavior for obcs in combination with ptracers
200    o fix a bug in ptracers_external_fields_load
201    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
202      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
203    o transfered surface NH pressure to eta field (if exactConserv).
204    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
205         and update lab_sea output.txt file.
206    o completing 3-dim. relaxation code: additional term
207         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
208      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
209      * At compile time, in "EXF_OPTIONS.h" set
210          #define  ALLOW_CLIMTEMP_RELAXATION
211          #define  ALLOW_CLIMSALT_RELAXATION
212      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
213          tauThetaClimRelax3Dim = 15552000.0,
214          tauSaltClimRelax3Dim  = 15552000.0,
215      * 3 cases:
216          1) Use a constant-in-time 3-dim. field
217          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
218          3) Real-time relax. to time-evolving prescribed field
219    o Adding Laplacian-type smoothness constraint on
220      initial and boundary (forcing) controls (ic, bc)
221      * enable at compile-time via
222        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
223      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
224      * Absolute scale somewhat unclear so far
225      * no area weighting was included since no other cost term does so far
226    
227    checkpoint57y_post
228    First step for a NLFS adjoint
229    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
230    o new init. routines for calc_r_star, calc_surf_dr
231    o still need to deal with ini_masks_etc
232    o testreport seemed happy
233    checkpoint57y_pre
234    
235    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
236    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
237    o add new offset feature to offline pkg (plus minor cleanup)
238    o cfc fixes for final year of integration
239    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
240      be in GCHEM_OPTIONS).
241    
242    checkpoint57x_post
243    o fix testreport Pb in multiple test experiment.
244    o cleanup our namelist syntax in verification:
245      - make it more F95 standards compliant (some work still needed)
246      - allows the vast majority of our tests to work with gfortran
247    o Non-Hydrostatic:
248     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
249     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
250    o Allow to apply AB on T,S rather than on AB(gT,gS):
251     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
252     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
253       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
254     - need a "clever" read_pickup to restart from the other AB formulation
255    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
256    o remove some unused variables (reduces number of compiler warnings)
257    o adjoint
258      * Disable useVariableViscosity for adjoint for time being
259        (there are a number of extensive recomputations)
260      * Initialize certain variables needed for adjoint
261    
262    checkpoint57w_post
263    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
264                 fix the singleCpuIO RS version of MDSWRITEFIELD
265       and add a WARNING if using globalFiles=T with multi-processors.
266    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
267      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
268    o tracer advection scheme:
269      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
270       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
271       was not very convenient).
272      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
273       (further tests needed for the implicit DST & Flux-Limiter schemes).
274    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
275      and sRef for convenience, handy, when you want to initialize
276      ptracers in a large domain with a constant non-zero value. Also,
277      untangle ptracers_init.F a little.
278    
279    checkpoint57v_post
280    o change dome exp. to use variable viscosity in side-drag terms.
281    o remove all the files from the cfc_offline test since they are now
282      incorporated into tutorial_cfc_offline which has been producing
283      identical results for a few days of testing
284    o add new parameter: sideDragFactor to enable half-slip-side BC
285      and change side-drag S/R to use viscosity from mom_calc_visc
286      (can switch back by setting sideDragFactor=0.); affects results at
287      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
288       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
289    o vorticity & strain are now computed without masking, to account for
290      no-slip-side BC in variable viscosity calculation ; mask is applied
291      anyway later on, before computing advection/coriolis terms.
292    o modify exp4 to test new obcs support for reading from external files
293      and for passive tracers
294    o fix behavior of ptracers_monitor when monitor output is written to a
295      netcdf-file; still not independent of monitor.F (writes in the same
296      file).
297    o change default value of tRef (put a uniform, meaningful value for ocean
298      & atmos) and initialize sRef (was missing, as Martin mentioned).
299    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
300      to be proportional to enstrophy dissipation length.  Thus,
301       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
302      This is now consistent with Smagorinsky and with the manual.
303    
304    checkpoint57u_post
305    o OBCS and PTRACERS: add open boundary support for passive tracers
306      - either use homogenous (pseudo) v.Neumann conditions or prescribe
307        OB-values from file; this is not different from the way theta and salinity
308        are treated
309      - however, Orlanski-radiation conditions are not supported, and the model
310        will stop if you use pTracers and Orlanski at the same time.
311      - beefed up the rountine obcs_external_fields_load: now only those open
312        boundary values are overwritten with values from files for which there
313        are really files, otherwise the OB-fields remain untouched. This makes
314        it possible to use different OBs at different ends of the domain (as
315        with EXF)
316    o reduce number of exch calls in shap_filt (s2).
317    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
318      truncation level) 4/5 MLAdjust test results (11&12 digits match).
319    
320    checkpoint57t_post
321    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
322    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
323      same truncation, independent of the face number: affects affects several
324      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
325    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
326      note that biharmonic viscosity + no-slip was not tested in any experiment.
327    o fix bug in non-linear free-surf side-drag ; generate new output for
328      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
329    o make mnc honor the writeBinaryPrec flag for most kinds of output
330    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
331    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
332      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
333    o add brackets in multi-terms sum to get same truncation, independent of
334      the face number (manage to get exactly same value of gU,gV at the cs-edge)
335      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
336    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
337      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
338      a maximum grid-scale Reynolds number.  Also, changes all length calculations
339      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
340      Suggested values of viscosity parameters found in mom_calc_visc.
341      Many new viscosity diagnostics available.
342    
343    checkpoint57s_post
344    o Add clearing-house for viscosity calculations, mom_calc_visc and
345      correct numerous bugs in LeithD and Smagorinsky discretizations.  
346      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
347      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
348      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
349      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
350      The Strain-Tension form is now called with useStrainTensonVisc=.true.
351      ViscAhStrain and viscAhTension are now retired.
352    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
353    o In response to JMC's bug report, genmake2 now ignores any soft-links
354      that it finds in the *current* directory when searching for files.
355      Soft-links found in any other source directories will still work as
356      they did before.
357    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
358      a C routine to unlimit the stack size
359    o mnc-ify pkg/aim snapshot vars
360    o mnc-ify pkg/land as requested by Daniel
361    o various changes to mnc including:
362      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
363      - output can now be grouped so that all files within a group
364          change the ITER portion of their names in lock-step together
365      - can now read ("global") PER-FACE (in addition to PER-TILE) files
366          and works with both EXCH1 and EXCH2 (but needs more testing)
367      - writing works for all verification test cases w/ g77 on Linux
368    
369    checkpoint57r_post
370    o make MNC variable initialization happen earlier
371    o add diagnostics for (almost) each term of the momentum Eq.
372    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
373    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
374    o remove MINIMAL_TAVE_OUTPUT option ;
375      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
376    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
377      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
378    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
379    o add time-dependent SST, SSS control
380    o cost terms in ecco/ modularized (new cost_generic.F)
381    o cost_averages routines are modularized (new cost_averagesgeneric.F)
382    o new infrastructure for seaice model vs. obs misfits in seaice/
383      * driver from the_main_loop.F is seaice_cost_driver.F
384      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
385      * gradient check in Exp. 6a of natl_box_adjoint/
386    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
387      (see README file)
388    
389    checkpoint57q_post
390    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
391    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
392      - bug was reported by Jean-Michel and Ian Fenty
393    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
394      update exp. cpl_aim+ocn output.
395    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
396      Needed for high-res. runs with large global files
397      to be able to limit tapelev size
398    o Changed some tests for adjoint:
399      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
400      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
401      * global_ocean.90x40x15/ back to default 3-level checkpointing
402    o Modifications to enable scripted COMMON to MODULE conversion
403      * verification/OpenAD/code/ has necessary scripts and description;
404      * converts, compiles and runs successfully;
405    
406    checkpoint57p_post
407    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
408    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
409      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
410    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
411    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
412      (was already the case for dissipation with mom_vecinv,
413       and also the case for grad.PhiHyd when staggered-timeStep)
414      This will allow to put dissipation out-off the AB time-stepping.
415     Unfortunately, affects truncation error. Update output of exp. that "fails"
416      (cg2d matching number) and leave the others for later: front_relax(10),
417      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
418      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
419    
420    checkpoint57o_post
421    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
422      (2) its ready to be documented during the 20050801 DocFest
423    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
424      for ideal_2D_oce and lab_sea on linux_ia32_g77
425    o set to #undef CTRL_SET_OLD_MAXCVARS_30
426      in global1x1_tot/code_seaice_adj to access indices 32, 33
427      (worth another tag)
428    
429    checkpoint57n_post
430    o adding precip control xx_precip 32
431    o adding swflux control xx_swflux 33
432    o Replacing 10 forcing penalty cost routines by 1 generic.
433    o Implementing partitioning in time-mean and variable adjustment
434      for atmos. state.
435    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
436    o in natl_box_adjoint:
437      * updated exp 1 to 10
438        (but does not have time-mean vs. variable split results yet)
439    o updated global1x1/*_seaice_adj/
440      to incorporate latest changes
441    o enable useSingleCpuIO for mdsio vector routines
442      (applies in particular to tapelev I/O)
443    o removed inefficient K-loop in all active_file*control*.F
444    
445    checkpoint57m_post
446    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
447      and advect_cs (use EXCH-2 and standard cs-32 grid files).
448    o pkg/exch2: filling of face-corner halo regions is optional
449      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
450    
451    checkpoint57l_post
452     tag before updating tutorials (pre-release-2)
453    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
454       for output and interpolation of input fields onto model grid)
455    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
456       Affects results of exp. rotating_tank ; update output.txt.
457    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
458          and taking the square quantity and/or using a fraction-weight field.
459    o fix aim_diagnostics_init.F mate numbers.
460    o add mnc output capability to diagnostics/diagstat and update
461      our cvsignore files for the ACSII output generated
462    
463    checkpoint57k_post
464    o lab_sea now uses diagnostics package and provides a suite of
465      new EXF diagnostics output.
466    
467    checkpoint57j_post
468    o exf
469      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
470        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
471        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
472      * extended diagnostics output
473        - now includes all EXF variables
474        - hs, hl moved to common block
475        - separate S/R for diagnostics, called after ctrl vector is added
476        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
477        - EXFqnet contains true Qnet (i.e. includes qsw)
478      * updated verif. lab_sea, global_with_exf
479      * Rearranging hflux (exf_mapfields -> exf_getforcing)
480        to ensure that diagnostics sees a true EXFqnet
481    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
482    o diagnostics pkg: change pointers so that 1 diagnostic can be used
483      several times with different frequencies.
484    o mnc-ify the thsice package as requested by Daniel Enderton
485      - the monitor--MNC output needs work
486      - many attributes need to be added (most are currently blank)
487    o mnc-ify theaim_v23 package as requested by Daniel Enderton
488      - many attributes need to be added (most are currently blank)
489    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
490    o add Sadourny like discretization to the 4th.O vorticity advection scheme
491    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
492      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
493         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
494    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
495     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
496    
497    checkpoint57i_post
498    o Diagnostics package was changed: diagnostic allocation is now deactivated
499      by setting an empty file name in the namelist (used to be by setting 0 frequency)
500    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
501      add 1rst Order upwind vertical Shear.
502    o add a quick fix for A/B checkpointing in OFFLINE mode
503    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
504      end-run around the C/Fortran linking horror in eesup/src/timers.F
505    o added pkg/runclock: allows user to terminate run based on wall clock
506    o added non-hydrostatic scaling parameter: nh_am2
507    o pkg/my82: futile attempt to make results compiler-independent by adding
508      some "_d 0", etc. no effect.
509    o for mnc output, fill the 'T' coordinate var with myTime and create a
510      separate 'iter' variable for iteration count
511    o pkg/diagnostics:
512      add new capability: output of Global/Regional & per-level statistics ;
513      tested against monitor output (including land & thSIce) on various exp.
514    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
515    
516    checkpoint57h_done
517      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
518      data.diagnostics, data.gchem, data.ptracers) is done.
519    
520    o pkg/diagnostics: prepare for Global/Regional statistics.
521      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
522    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
523      and rename it: DIFFERENT_MULTIPLE
524    
525    checkpoint57h_post
526    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
527    o pkg/diagnostics: change output frequency, now in seconds (instead
528      of Nb of iterations). This requires to change data.diagnostics.
529    checkpoint57h_pre
530    
531    o in mnc, let the user create the output dir if both mnc_outdir_date
532      and mnc_outdir_num are false
533    o add fflags() to pkg/diagnostics which allows one to specify, on a
534      per-file basis, the file precision [default behavior is unchanged]
535    o added diagnostics to pkg/kpp, including computation of mixed layer
536      depth based on a temperature/density criterion
537    o updated verification/natl_box to test the new pkg/kpp diagnostics
538    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
539    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
540    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
541      not mnc -- this mistake was found by JMC and is now corrected
542    
543    checkpoint57g_post
544    o add Adams-Bashforth 3rd Order time stepping:
545      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
546      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
547    checkpoint57g_pre
548    
549    o make lambda[Theta,Salt]ClimRelax spatially varying
550      (default remains spatially uniform constant based on tau)
551    o added new control variables
552      * init. uVel, vVel, etanN
553      * lambda[Theta,Salt]ClimRelax
554    o separate masks used for ctrl_pack/unpack 'from write_grid' output
555      (suggested by G. Forget)
556    
557    checkpoint57f_post
558    o add parameter "baseTime" = model base time = time at iteration zero
559      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
560      account for baseTime shift
561    o move Coriolis arrays from PARAMS.h to GRID.h
562    checkpoint57f_pre
563    
564    o mnc-ifying the seaice package
565    o introduced an alternative length scale calculation for use in the limiting
566      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
567    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
568    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
569      as well as grad(vort3).  Made it compatible with both approximate form
570      for the cubed sphere and full form of these gradients.  Added flag
571      useFullLeith to select between approximate and full form.  
572    o add "d0" in getcon.F to reduce differences between compilers/platforms
573      update output.txt of exp. fizhi-gridalt-hs
574    o change port_rand funtion to allow to set the seed.
575    o fix obscure MNC bug involving conversion between reals and integers
576      - it caused no problems with certain (eg. gcc, ifc) compilers but the
577        new version is now more standards-compliant
578    o adjoint-related modifications
579      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
580      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
581      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
582    
583    checkpoint57e_post
584    o Adding eddy stress controls a la Ferreira et al.
585    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
586    
587    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
588      update output.txt of exp. fizhi-gridalt-hs
589    o add more "Z" dimensions and associated coordinate vars to MNC
590    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
591    o parameter calendarDumps: when set, approximate months (30-31 days) and years
592      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
593      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
594      months and years.  Requires pkg/cal.
595    o diagnostics: add pickup functionality
596      - off by default for backwards compatibility
597      - current version only uses MDSIO -- MNC will be added
598    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
599    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
600    
601    checkpoint57d_post
602    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
603    o modify verification/ideal_2D_oce so that it tests the creation of mnc
604      output from the diagnostics package
605    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
606    o make genmake2 more portable by using ".$FS" instead of ".f" for more
607      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
608    o add coordinate variables to the MNC output from the diagnostics package
609    o change MNC-flags default value: true when useMNC=TRUE
610    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
611      the ability (off by default) to read the grid information using MNC
612    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
613    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
614    o do snap-shot diagnostics at the middle of the time-interval (instead of
615      at the end).
616    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
617      new test for AIM with thSIce + slab-ocean
618    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
619    o move state variable diagnostics to the beginning of the time step ;
620      (note: still needs some work specially for snap-shot diagnostics)
621      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
622    
623    checkpoint57c_post
624    o Change testing option (-ieee) to get closer agreement between g77 & ifort
625    o generate new output.txt files on faulks with g77 & the new -ieee option
626    checkpoint57c_pre
627    
628    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
629      update output.txt of exp. global_ocean.90x40x15
630    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
631      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
632    o add saltFlux(+File) forcing capability with periodicExternalForcing
633    o allow to use pkg diagnostics for GM-Redi & ThSIce output
634    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
635    o improvements for the MNC output from DIAGNOSTICS:
636      - correct handling of the unlimitied dimension
637      - all dims now have associated coordinate variables
638      - variables located at U, V, and Corner ("Z") points are now written
639        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
640        *all* data points are output
641    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
642    o added pkg/seaice/seaice_monitor.F
643    o mdsio_readfield.F can now read files visible only to master MPI process.
644    o pkg/seaice: some test code for ice-modified ocean stress
645    o exf_getffields interpolation defaults to bilinear for all scalar forcing
646      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
647      spurious negative numbers for precipitation and humidity.  Will cause
648      some small numerical differences for integrations using pkg/exf/exf_interp.F.
649    o pkg/ctrl/
650      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
651        May be enabled via doPackDiag
652      *  introduce z-scaling of
653         + gradient (doZscalePack) and
654         + control (doZscaleUnpack)
655    o pkg/mdsio/
656      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
657      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
658    
659    checkpoint57b_post
660    o simplify options in diagnostics_fill arguments (remove weird combinations)
661    o fix MNC coordinate variables so that they now contain per-face index
662      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
663      general, EXCH2 grids are only aligned to a "local" coordinate system
664    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
665    o Implement instantaneous output within pkg diagnostics:
666      setting a negative frequency in data.diagnostics produces
667     "snap-shot" output (as opposed to time-average if freq > 0)
668    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
669      NOTE: change ptracer diagnostics name: use 2 characters to work with
670            more than 9 tracers. Add also diagnostics of advect & diffus flux.
671    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
672      becomes the coordinate variable for the 'T' dimension
673    o add CF-style coordinate variables to MNC
674      - just a first cut:  numbers are meaningless on the cubesphere and
675        missing along the T axis but otherwise it works!
676    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
677    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
678    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
679      this is based directly on what the model compute, so that the content of
680      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
681    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
682    o clean up build options files for SunOS, in particular
683      - remove -traditional from xmakedepend
684      - change -xarch=v9 to -xarch=native for f77
685      - restore use of make (not gmake)
686      - add CC=gcc if using g77
687    o changes per discussion of AM, JMC, & EH3 today:
688      - move redundant "grid" variables out of "state" -- in preparation of
689        creating proper CF-style coordinate variables and in recognition
690        that any/all grid variables can be easily copied (eg. w/NCO) from
691        the grid files into any of the other NetCDF files
692      - *always* output grid variables with MDSIO (this will eventually be
693        changed)
694      - output MNC grid file if useMNC is true
695    o every instance of _END_MASTER() has been found and replaced with
696      _END_MASTER( myThid ) in order to satisfy certain picky Sun
697      preprocessors
698    o re-arrange diagnostics pkg initialisation:
699     - allow each package to extend the available diagnostics list
700     - add some checking and fix small problems (multi-threaded, ...)
701     - new S/R diagnostics_fill (replace fill_diagnostics):
702       look through the short list of active diag. (instead of the long list)
703       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
704    
705    checkpoint57a_post
706    o this set of changes restores TAMC compatibility
707      tested for global_ocean.90x40x15 adjoint on trough
708      (what a pain)
709    
710    checkpoint57a_pre
711    o some modifs in tools/build_options for sunos
712    o call ctrl_pack for ctrl at end for optimcycle=0
713    
714    checkpoint57
715    o add horizontal bi-harmonic viscosity for vertical velocity
716      - new parameter viscA4W (defaults to viscA4)
717      - affects only non-hydrostatic code
718      - to be done: no-slip lateral boundary conditions
719    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
720    o implement Implicit Vertical advection for pTracers
721    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
722      (implemented also for implicit vertical diffusion & advection)
723    o OBCS: extend application of tracer open boundary conditions
724      to a strip beyond the boundary of width Olx/Oly
725    o add call monitor to TAF set of required calls (flow directives)
726      and include in natl_box_adjoint
727    o untangle a few ifdefs related to cost, ctrl, autodiff
728      untangel a few ALLOW_ECCO_OPTIMIZATION
729    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
730      (theta2, salt2 in ecco_cost_weights)
731    
732    checkpoint56c_post
733    o OBCS as control variables
734      - update ctrl_ad_diff.list, obcs_ad_diff.list
735      - remove balance of obcs controls from default
736      - fix index bug nobcs in ctrl_init
737      - fix dummy fields filen in ctrl_pack
738      - add dummy weights for obcs
739    o lsopt: comment out fort.94 output
740    o optim:
741      - remove unnecessary header files
742      - adjusted namelists
743      - add xerbla.F to Makefile
744    o exf:
745      - multiple modifications of exf_check_range
746      - unit change in exf_init_runoff from [m/year] to [m/s]
747    o mdsio:
748      - i/o-vector change debugLevel from debLevA to debLevB
749    
750    checkpoint56b_post
751    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
752      is called from DO_THE_MODEL_IO
753      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
754      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
755      - clean up PTRACERS_WRITE_TIMEAVE a little
756    o add another verification experiment that tests both the cfc-pkg and
757      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
758      reactive tendencies treated inline with regular timestepping
759    o testreport previously did a lousy job of comparing small numbers, so
760      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
761      implemented in the little c-progam tmp_cmpnum.c which is embedded in
762      testreport.
763    o ptracers_monitor: bug fix for MPI
764    
765    checkpoint56a_post
766    o GCHEM: finish reorganizating the package
767      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
768        (introduces another 3D-array for each passive tracer, but only if
769        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
770        gchemTendency is not needed because the timestep is done separately)
771      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
772      - GCHEM is now---more or less cleanly---separate from PTRACERS
773      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
774        so clear to me how that should be done in a general way.
775    o CFC: improve formatting of output in CFC_ATMOS
776    o PTRACERS:
777      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
778        that ALL experiments with ptracers enable can be checked. This makes
779        GCHEM_MONITOR obsolete.
780      - include a runtime parameter PTRACERS_monitorFreq that defaults to
781        monitorFreq
782      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
783    o add PTRACERS (PTR0[1-5]) to testreport output
784    o exf_check_range:
785      * default changed to .TRUE.
786      * will check values for niter0 if debLevA, every timestep if debLevB
787      * STOP in exf_check_range if 'out of range'
788      * range chosen generous to allow for potential extema
789      TBD: a version with stricter range
790           permitted range would be runtime parameters
791    o GMredi:
792      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
793      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
794      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
795    o GCHEM:
796      - move call to GCHEM_FORCING_SEP, so that it is now called before
797        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
798      - introduced a useGCHEM runtime flag and applied it everywhere.
799      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
800        this flag is now only visible within GCHEM-pkg routines.
801      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
802        be replaced by a 3D array that is computed before thermodynamics; for
803        this, the tracer ID iTracer had to be included into the parameter list
804        of ptracers_forcing
805      - set up forward_step to call gchem_forcing, that will replace
806        gchem_forcing_int in ptracers_forcing
807      - cleaning up
808    o small cleaning of exch2: remove files that are also in eesupp/src
809    
810    checkpoint56
811    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
812    o mnc: cleanup "full" files--fixes out-of-memory problem
813    o ECCO-GODAE
814      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
815      * fully merged and updated from SIO code
816        windstress sign change affects
817        - exf_inscal_[u/v]stress
818        - sign of xx_tau[u/v] adjustments
819        - signs in cost_scat
820      * ctrl_get_gen: avoid update of tau[u/v] for first few days
821      * natl_box_adjoint updated and compressed
822      * 2-level checkpoint switch added
823        (tested in EXP. 1 of natl_box_adjoint)
824      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
825    o SVD
826      * first complete, non-hacked version for SVD calculations
827      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
828        performed via direct access files admtlm_vector.it????
829        (via ctrl_[un]pack)
830      * optimcycle is used for ARPACK iteration counter
831        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
832      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
833        and add linear transforms where necessary
834      * controls are initial/final SST, SSS (can be extended; need to check
835        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
836    o mdsio: filename info to both stderr, stdout
837    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
838      from sign change
839    
840    checkpoint55j_post
841    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
842      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
843    o add consistent build directories and .cvsignore files to verification
844    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
845    o make all subroutines 30 or less characters in length for certain older
846      compilers to work (a thorough search only turns up two routines in
847      pkg/ptracers)
848    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
849      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
850    
851    checkpoint55i_post
852    o change arrays for total vertical diffusivity (2.D if explicit,
853      3.D if implicit) ; each ptracer uses its own background value.
854    o added mnc/NetCDF output capability to ocn_compon_interf
855      - added bits to verification/cpl_aim+ocn so that it can run on
856        ITRDA and other clusters without the mpirun "-wd" option
857    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
858      configuration
859    o give MNC the ability to create additional files rather than
860      exceeding a specified file size limit "MNC_MAX_FILESIZE"
861      - the default is just less than 2GB which is a practical limit
862        on many systems
863    o Compute the non-local term using either KPP vertical diffusivity (=default)
864       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
865    
866    checkpoint55h_post
867    o add verification test "vermix"
868    o remove all the *_ioinc flags and replace with the single global
869      outputTypesInclusive flag
870    o allow to set a vertical profile of vertical diffusivity for T & S
871    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
872    o useMNC moved from data.mnc to data.pkg
873    
874    checkpoint55g_post
875    o Renaming carbon AD experiments to comply with testreport conventions
876    o Updating adjoint of Held-Suarez hs94.1x64x5
877    o Fixing directives for non-ECCO forward_step, after ECCO directives
878      have been fixed to avoid recomp. of do_oceanic_phys
879      Works well for global_ocean.90x40x15,
880      but recomp. issue remains for carbon
881    o Updating adjoint output for natl_box_adjoint after
882      pkg/ecco has been modified (see taga c55d_post)
883    
884    checkpoint55f_post
885    o rename to timeave_init_fixed
886    
887    checkpoint55e_post
888    o some delicate re-shuffle of store directives to avoid one
889      extra call of do_oceanic_physics
890      affects ecco_the_main_loop.F, do_oceanic_physics.F
891      checkpoint_lev1_directives.h
892    o NB: this may break global_ocean adjoint temporarily,
893      but it is clear how to fix it. Will do later, need this now.
894    
895    checkpoint55d_post
896    o ECCO specific cost function terms (up-to-date with 1x1 runs)
897    o ecco_cost_weights is modified to 1x1 runs
898    o modifs to allow observations to be read in as
899      single file or yearly files
900    o enable to read exf forcing fields as either
901      single file or yearly files (flag useExfYearlyFields)
902    checkpoint55d_pre
903    
904    o switch between 2-level and 3-level checkpointing
905    o add ability of MNC to write local and "partial" (eg. 2D slices where
906      the full 3D field is never actually stored) arrays to NetCDF files
907      with the correct (that is, the complete multi-dimensional) set of
908      array indicies
909      - used in mom_vecinv() to write the diagFreq output
910      - tested (demonstrated) in verification/aim.5l_cs
911    o further mnc-ification
912      - add verification/lab_sea to the list with mnc setups
913      - fix undefined mnc v-names in cd_code
914      - add kpp to mnc output (both snapshot and timeave)
915    o non-hydrostatic code
916      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
917        in calc_gw.F
918      - defaults to viscAh
919      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
920        friction or Leith) in non-hydrostatic mode, as long as there is
921        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
922    o pkg/cost
923      extend simple cost functions to treat time mean quantities
924      (T,U,V) via cost_accumulate_state from cost_tile
925    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
926        be 2 times larger than the minimum size the advection scheme requires.
927        now get a perfect conservation of salt in advect_cs test-exp (updated)
928    o GGL90 (Gaspar's TKE mixed layer)
929      - add horizontal diffusion of TKE, requires exchanges in
930        do_fields_blocking_exchanges, horizontal diffusivity is zero by
931        default. In OPA there is no horizontal diffusion of TKE but the
932        mixing coefficients are computed from a horizontal average of TKE of
933        6 points or so. I think that diffusion has a little more physical
934        justification.
935      - clean up ggl90_calc in the hope of reducing memory usage (this hope
936        was in vain)
937      - mask tke-variable in ggl90_init
938    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
939    o fix biharmonic diffusion on CS-grid.
940    o more obcs stuff
941      - added obcs_external_fields_load as an alternative to the EXF-pkg option
942        for reading boundary values. This routine is called from
943        obcs_prescribe_read
944      - updated obcs_check
945      - changed sponge layer relaxation parameter units for days to seconds
946      - turned off sponge layer by default
947      - changed argument list of OBCS_CALC to myTime+deltaTclock
948      - fixed about 35 bugs in obcs_external_fields_load
949    
950    checkpoint55c_post
951    o obcs stuff
952      - new runtime flags useOBCSprescribe, useOBCSbalance
953      - re-arranged obcs_calc
954      - moved exf_getobcs to obcs_prescibe_read
955        obcs_prescibe_read is called after ORLANSKI stuff
956        and independent of it (executable can contain all).
957      - updated obcs_check
958      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
959        These may be necessary only if tangential velocities are
960        prescribed at OB, not sure, needs testing.
961    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
962      which simplifies the calls and passes the ifc check-bounds test
963    
964    checkpoint55b_post
965    o add a 2D scalar, Z location, exchange_2 routine.
966    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
967      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
968      affects advect_cs results (for the wrong reason): update output.txt
969    o use a more standard discretization for biharmonic viscosity ;
970     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
971      affects results of dome set-up: update output.txt
972    o fix gad_advection.F (CubedSphere part), back to version 1.23
973    o fix bug in mom_vi_del2uv.F (CubedSphere part).
974    
975    checkpoint55a_post
976    o merged code to
977      * prescribe/read time-dependent open boundaries
978        (works in conjunction with exf, cal)
979      * sponge layer code for open boundaries
980      * each boundary N/S/E/W now has its own CPP option
981        (healthy for the adjoint)
982    
983    checkpoint55
984    o up-to-date adjoint of previous breaks
985      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
986      - global_ocean_ebm: adjoint still needs fix (TLM ok)
987      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
988      - carbon: * remove tr1-related adjoint verification
989                * add ptracer as control variable
990    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
991      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
992    
993    checkpoint54f_post
994    o in verification/carbin/ remove experiment related to
995      ALLOW_PASSIVE_TRACER (array tr1 etc)
996      code_ad/ input_ad/ results_ad
997    
998    o add two new packages
999      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1000        + subject to optimization (memory)
1001      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1002        + subject to reordering (many GOTOs in the original code)
1003        + so far opps is called for every (i,j) point, and then operates in
1004          the vertical; one may want to reorder the scheme in order operate in
1005          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1006          fields)
1007    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1008      - all verification tests compile and run with linux_ia32_g77
1009      - defaults are compatible with current input files--nothing
1010        should change if you were not previously using MNC
1011      - MNC output has been added in numerous places (eg. timeave)
1012        but there are still a few writes not yet do-able with MNC
1013        (this is in progress)
1014      - flags now allow for either/or/both use of MDSIO and MNC and
1015        documentation will soon follow
1016      - numerous small formatting cleanups for ProTeX
1017    o add version info (via BUILD_INFO.h) to MNC and stdout
1018    
1019    checkpoint54e_post
1020    o add two new packages
1021      - pp81 (Packanowski and Philander, 1981), Richardson number and
1022        stratification dependent mixing
1023      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1024      - these scheme operate in a similar manner as KPP (without ghat, of
1025        course), however there is only one diffusivity that is used for both
1026        temperature and salinity (and passive tracers)ç
1027    o add offline package
1028    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1029      provided by Stephanie Dutkiewicz
1030    o genmake2: add ability to search for C compilers and cleanup test output
1031      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1032    
1033    checkpoint54d_post
1034    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1035    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1036      leading to additional shift by 5 days each year of integration
1037       (i.e. leading to considerable offset over the years)
1038    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1039    o start with no AB and no initial filtering (staggerTimeStep):
1040      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1041    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1042      (external loading & cpl import/export stay in forward_step.F)
1043    o update coupling interface to work with new staggerTimeStep
1044    o change MDSIO ptracers_pickup.
1045    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1046    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1047    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1048    
1049    checkpoint54c_post
1050    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1051      this affects (truncation error) output.txt of test-exp:
1052       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1053    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1054    o change Qnet to always be the net heat flux, (+upward).
1055      affects (truncation error) output of natl_box exp.: updated
1056    o define the max number of passive tracers in PTRACERS_SIZE.h
1057    o start to test mnc routinely in exp0
1058    o add sea-ice loading (sIceLoad) as a new forcing field.
1059    
1060    checkpoint54b_post
1061    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1062       impressive on Altix and Opteron systems)
1063    o diagnostics can now write NetCDF files through the mnc package
1064    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1065    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1066    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1067      affects (truncation error) output of lab_sea & natl_box exp.: updated
1068    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1069    
1070    checkpoint54a_post
1071    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1072    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1073    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1074    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1075      + internal_wave (shift in writing cg2d_ini_res)
1076    checkpoint54a_pre
1077    
1078    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1079      - modified verification/lab_sea and natl_box_adjoint accordingly
1080    
1081    checkpoint54
1082    checkpoint53g_post
1083    o prepare splitting of thermodynamics: store convect.counter in common block
1084    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1085      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1086    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1087    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1088    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1089    o restore adjointability
1090    
1091    checkpoint53f_post
1092    o modifications that affect AIM experiment results (update output.txt):
1093      - no advection of S at top interface Nr (pkg/generic_advdiff)
1094      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1095    o AIM pkg:
1096      - include stability function into surf.Flux derivative relative to Tsurf
1097      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1098    
1099    checkpoint53e_post
1100    o merged cylindrical coord configuration
1101    o added rotating_tank experiment
1102    checkpoint53e_pre
1103    
1104    checkpoint53d_post
1105    o faulks upgraded: re-generate output.txt that have changed:
1106       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1107    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1108    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1109    o added Sadourny discretization of Coriolis
1110      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1111      - re-enabled use of omega3 (useAbsVorticity)
1112    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1113      vector-invariant equations
1114      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1115    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1116      hopefully without new bugs
1117      - still to do: biharmonic friction for non-hydrostatic w
1118    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1119    o regenerated output for global_ocean_ebm (using -ieee)
1120    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1121      of mom_common/
1122      - simple re-arrangement of instructions within computing loop
1123    checkpoint53d_pre
1124    
1125    checkpoint53c_post
1126    o new version of coupler for AIM+thSIce and Ocean models
1127     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1128     - land: change Evaporation of snow
1129     - aim with thSIce: fix bug in snow-precip.
1130    o changes to calc_gw.F
1131     - bug fix for w^2 term near the bottom boundary
1132     - (hopefully) improve the lateral slip boundary condtions for use with
1133        partial/looped cells
1134      - because the bug fix changes two verification experiments anyway (exp5
1135        and plume on slope), change the lateral boundary condition from half slip
1136        to the value of no_slip_sides
1137    o ebm package wasnt quite up to the parallel task. Fixed that.
1138    o Adjoint of EBM package + verification
1139      * TLM OK
1140      * ADM not sufficient accuracy yet (needs further testing)
1141    
1142    checkpoint53b_post
1143    o Commiting new energy balance model to repository
1144      * package is pkg/ebm
1145      * verif. is verification/global_ocean_ebm
1146      * references are in ebm_driver.F
1147    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1148    C        Global thermohaline circulation. Part I:
1149    C        Sensitivity to atmospheric moisture transport.
1150    C        J. Climate 12(1), 71-82
1151    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1152    C        Global thermohaline circulation. Part II:
1153    C        Sensitivity with interactive transport.
1154    C        J. Climate 12(1), 83-91
1155    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1156    C        Destabilization of the thermohaline circulation
1157    C        by atmospheric eddy transports.
1158    C        J. Climate 7(12), 1870-1882
1159    o Will need long integration testing.
1160    checkpoint53b_pre
1161    
1162    o created pkg/mom_common in preparation for variable viscosity code
1163    o renamed and split ini_mnc_io
1164    o pkg/land: only liquid water can diffuse or run-off
1165    o AIM using land: soil wetness availability account for snow
1166    o added printMapIncludesZeros to EEPARMS namelist
1167    
1168    checkpoint53a_post
1169    o restore TAMC compatiility for exf_constants.h
1170      (no usage of _d in .h)
1171    o Additional storing in KPP in an attempt to fix
1172      TAMC problem with adjoint of KPP code.
1173      (no success...)
1174      Identical code works fine with TAF.
1175    o Fixed verification/natl_box_adjoint experiments.
1176      Initial conditions for Experiments 4 and 5 are now
1177      set to "SEAICE_initialHEFF=0", which is more reasonable,
1178      and hence gives results closer to that of Experiment 2.
1179      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1180    
1181    checkpoint53
1182    o stable checkpoint with up to date adjoint
1183      TLM tests only run for 1st grdchk at the moment. Its unclear if
1184      this is a code problem or a problem with resetting code for g_
1185      variables that is being autogenerated wrong.
1186      Otherwise:
1187       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1188       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1189         are both still in chaos following their security messes.
1190    
1191    checkpoint52n_post
1192    o various build (mostly genmake2) changes including:
1193      - ability to build/run more easily within Cygwin and MacOS X
1194      - more complicated Makefiles with a stronger dependence on Gnu Make
1195    o pkg/seaice modifications
1196      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1197        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1198        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1199      - changed proxy for geostrophic velocity and updated
1200        verification/lab_sea/results/* accordingly
1201      - removed ADI dynamic solver from pkg/seaice
1202      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1203        they caused a segmentation fault under certain circumstances
1204      - removed unused field WATR
1205    o bug fix in exf-package:
1206      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1207         now reflect that.
1208    o small fixes in the cal-package:
1209      - set reference date to first of January for the 'model'-calendar
1210      - failing of cal_CheckDate in cal_FullDate now actually results in a
1211        warning
1212    o small modifications in exf-package to increase flexibility:
1213      - change climtempfreeze from a constant to a runtime parameter that
1214        is specified in data.exf_clim (default = -1.9)
1215      - introduce runtime parameter windstressmax (default = 2.0) that is
1216        specified in data.exf
1217    o fix in pkg/thsice:
1218      - update Evap (Tsf changes) to be consistent with Latent heat flux
1219      - maintain snow precipitation unchanged (even if Tsf >=0).
1220     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1221    
1222    checkpoint52m_post
1223    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1224      this does not change any of the results, because myIter=0 in swfrac always
1225      lead to jwtype=2 (the default anyway), but the call makes little sense
1226      as a default
1227    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1228    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1229      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1230    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1231    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1232    o extending useSingleCpuIO option to work with new exch2 I/O format
1233      - old-style, missing-tile I/O is still accessible by defining CPP
1234        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1235    o monitor package can write to NetCDF files and/or STDOUT
1236    o fix re-definition bug in MNC_GRID_INIT_ALL()
1237    o doc/api_reference added
1238      - a framework for building an API Reference Manual using all
1239        the "protex" comments embedded in the code
1240      - see pkg/generic_advdiff, pkg/mnc for examples
1241    o MNC:
1242      - make myThid the last argument for all subroutines
1243      - new default for the grid files: NO halos
1244      - add useMNC and other run-time flags
1245      - separate per-file-group handling of the unlimited dimension
1246      - early initialization of MNC w/ flags read at the eeboot stage
1247        and lookup tables set in initialize_fixed
1248      - write all MNC output to a freshly-created directory
1249    o thermodynamics sea-ice (thsice) is now tested with testreport.
1250    o test exp. advect_cs: use the standard cs32 grid ; update output.
1251    o Added functionality to grdchk:
1252      pick global i,j,k position (or nearest wet) where to perform check.
1253    
1254    checkpoint52l_post
1255    o new land formulation:
1256      a) use ground enthalpy as prognostic variable to ensure exact
1257         energy conservation.
1258      b) account for water temperature and for latent heat of freezing
1259         in all processes (rain, run-off, ground storage)
1260      c) compute surface and ground temperature implicitly.
1261    o aim_v23 modification for new land model:
1262      a) Treat separately land / ocean / sea-ice surface fluxes
1263         to allow implicit computation of land & sea-ice surface temp.
1264      b) add snow precipitation.
1265    checkpoint52l_pre
1266    
1267    o fix problem (when 1 tile is empty) in min/max monitor.
1268    o fix bug in timeAve (u,vZetatave in common block)
1269    o no restoring terms under ice for pkg/seaice
1270    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1271    o bug fix for pkg/seaice pickups
1272    o change MNC call locations and add coordinate attributes
1273    o mask vorticity at the corner ; affects global_ocean.cs output
1274    o fix ini_curvilinear_grid ; test CS experiments with mpi
1275    o aim.5l_cs: modify sea-ice fraction input file ; update output
1276    o exf: Adding simple range check routine for exf fields after read
1277    
1278    checkpoint52k_post
1279    o removed top-level directory "diags"
1280      - we migrated these functions to pkg/timeave a long time ago
1281    o fixed bug introduced in pkg/monitor
1282    o accuracy ctrlprec = 32 insuffient for gradient checks using
1283      averaged fields (I/O via cost_averages)
1284      -> use ctrl.h in active_file*.F to control I/O precision.
1285    o paramter list of CALL ADTHE_MAIN_LOOP
1286    o added initial do_the_model_io to ecco
1287    o set all ...Freq to zero after cost_final
1288      taveFreq, dumpFreq, pChkptFreq
1289    o MAIN and ECCO differentiability restored
1290    
1291    checkpoint52j_post
1292    o fix nchklev in tamc.h for global_ocean...
1293    o Bringing flow and store directives up-to-date
1294    o Really weird thing!
1295      call do_the_model_io from the_main_loop with parameters
1296      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1297      TAF places a faulty re-call of initialise_varia
1298      after cost_final call which should not be there!
1299    checkpoint52j_pre
1300    
1301    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1302      error messages
1303    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1304    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1305      debug output
1306    o modfied mdsio_writefield.F to handle non-global files under exch2
1307    o update AIM Cubed-Sphere exp (aim.5l_cs):
1308      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1309    o update AIM Equatorial Channel exp:
1310      use standard aim_v23 pkg and change the SST fields to be more realistic.
1311    o globalFile now works with exch2
1312    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1313      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1314    o limit timeave output for hi-res integrations
1315    
1316    checkpoint52i_post
1317    o removed CPP_EEOPTIONS.h from verification/*/code
1318    o updated the tiling for global_ocean_pressure
1319    checkpoint52i_pre
1320    
1321    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1322      the old pkg/aim).
1323    
1324    checkpoint52h_pre
1325    o shortened offending lines in exch2_send_rx?.template
1326    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1327    o genmake2: add build & execute test for NetCDF code
1328    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1329      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1330    o added useSingleCPUIO flag to monitor.F and mon_out.F
1331    o added temporary hack for sea-ice dynamics on the cube:
1332      metric terms are ignored and it is assumed that
1333      there is no sea-ice on cube faces 1, 2, 4, and 5.
1334    
1335    checkpoint52f_post
1336    o added exch2 cube routines to pkg/exch2
1337    o modified hs94.cs-32x32x5 to use it
1338    o added new grid files to hs94.cs-32x32x5
1339    checkpoint52f_pre
1340    
1341    checkpoint52e_post
1342    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1343      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1344    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1345      to work with implicit vertical advection and AB ;
1346    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1347    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1348     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1349    checkpoint52e_pre
1350    
1351    o fix bug in impldiff when Nr=1 or Nr=2.
1352    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1353    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1354    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1355      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1356    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1357    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1358    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1359    
1360    checkpoint52d_post
1361    o re-tiled many expts to allow comparison in multi-processor mode
1362      - updated output accordingly
1363      - changed hs94.128x64x5 to use intial T from file rather than use the
1364        random number generator
1365    o add infrastructure in model routines for fizhi and gridalt packages
1366    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1367    o changes to permit hi-res, cubed-sphere, configuration
1368      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1369      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1370      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1371        of surface winds for the cube
1372      (A verification experiment, based on global_ocean.cs32x15, but with
1373       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1374       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1375       complete with example surface forcing files and matlab scripts to look
1376       at the output and compare it with that of global_ocean.cs32x15.)
1377    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1378       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1379       to conform to the common rule.
1380    o check-in the first version of the coupler + interfaces for multi-components
1381       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1382       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1383       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1384       - ocean and atmos. share the same horizontal grid (no interpolation).
1385       - exchanges between component and coupler is done in forward_step
1386    o new verification experiment, cpl_aim+ocn:
1387       coupled ocean - AIM atmosphere on cs32 grid.
1388    
1389    checkpoint52d_pre
1390    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1391    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1392    
1393    checkpoint52c_post
1394    o Fixing OPTIONS files for use of exf:
1395      - ALLOW_ECCO not needed
1396      - ECCO_CPPOPTIONS.h should not be included from
1397        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1398        as has been the case in the past
1399      - All cal/exf related options are currently set in
1400        single header file. Should remain so until we
1401        agree on a consistent new policy.
1402    o Removed all CPP options for cal package.
1403      cal has no more CPP options.
1404    o modified STOREs in GAD_ADVECTION
1405    o corrected key comp. for passkey
1406    
1407    checkpoint52b_post
1408    o new version: "thsice" of thermodynamic sea-ice pkg:
1409     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1410     - modify fluxes but do not change theta directly;
1411     - light cleaning of bulk_force pkg (still needed with thsice).
1412     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1413       + output_thsice.txt to test thsice & bulk_force pkgs.
1414    o put back grid & coriolis monitor output.
1415    checkpoint52b_pre
1416    
1417    o call "do_the_model_io" at the beginning (=> dump initial state)
1418    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1419    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1420      (need info on NUMBER_OF_PTRACERS)
1421    o missing PTRACERS headers in some routines
1422    o default tamc.h in pkg/autodiff supposed to crash
1423      to ensure proper customization
1424    
1425    checkpoint52a_post
1426    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1427      - moved surfaceTendencyTice from pkg/seaice to main code
1428      - subroutine FREEZE_SURFACE now limits only surface temperature
1429        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1430        => new output.txt for global_ocean.cs32x15 & global_with_exf
1431      - keep the old version of FREEZE for backward compatibility;
1432        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1433      - corresponding modifs for TAF directives
1434    o added surface flux output variables to TIMEAVE_STATVARS
1435    o time-averaged output for pkg/ptracers
1436    o fix problem with ECCO-related divided adjoint
1437      snapshot file was missing some ad-variables,
1438      but no warning issued by TAF
1439    
1440    checkpoint52a_pre
1441    o some bug fixes for #undef REAL4_IS_SLOW
1442    
1443    checkpoint52 = ecco_c52_e35
1444    o after testing adjoints of checkpoint51u_post
1445    
1446    checkpoint51u_post
1447    o this is the post-merge tag of the ecco-branch
1448      (needs another clean checkout and re-testing)
1449    o various natl_box_adjoint configs and results
1450      but no input fields
1451    o obcs adjoint not yet merged!
1452    o adding ECCO global 1x1 and 2x2 degree configs
1453    o updated/extended some store directives for seaice
1454    o pkg/ecco now containes ecco-specific part of cost function
1455    o top level routines the_main_loop, forward_step
1456      supersede those in model/src/
1457      previous input data.cost now in data.ecco
1458      (new namelist ecco_cost_nml)
1459    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1460    
1461    checkpoint51t_post
1462    o this is the pre-merge tag of the ecco-branch
1463    
1464    checkpoint51s_post
1465    o cleanup: removed various obsolete #define-s
1466    o pkg/grdchk
1467      - renamed 'ph-grd 3' to 'grad-res'
1468      - merged from ecco-branch
1469        (remaining bug fixes for obcs gradient checks)
1470      - additional high-precision output for testreport
1471        (grep for 'precision_grdchk_result')
1472    
1473    checkpoint51r_post
1474    o cleaned up or removed CPP_OPTIONS.h files
1475    o updated results for some of the tests to reflect the new
1476      optfiles (-ieee: -O0 instead of -O3)
1477    
1478    checkpoint51q_post
1479    o cd_code:
1480      - moved cd_scheme.F -> cd_code_scheme.F
1481      - separate read_checkpoint from cd_code_ini_vars.F
1482      - separated cd_code part from write_checkpoint
1483      - updated AD_SOURCE, generated .flow
1484      - added CD_CODE_VARS.h to the_main_loop
1485      - Moving cd_code specific store dir.s to pkg/cd_code
1486    o ctrl package totally restructured
1487      - pack/unpack now optional and decoupled from
1488        xx_/adxx_ I/O
1489      - ctrl_pack/unpack cleaned
1490        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1491      - confined inclusion of AD_CONFIG.h to where necessary.
1492    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1493    
1494    checkpoint51p_post
1495    o create initial cd_code package
1496      - WARNING: the initialization of fields within packages
1497        is broken because INI_FIELDS (where READ_CHECKPOINT is
1498        called) is called *before* PACKAGES_INIT_VARIABLES.
1499        This seems to be backwards since
1500        1) its important to initially zero the entire field including
1501           the "halo" region
1502        2) zeroing needs to be done *before* reading pickup info
1503           and the pickup call might or might not happen in any
1504           particular run
1505      - this needs an overhaul for R2
1506    o cleanup verification/*/code/GMREDI_OPTIONS.h
1507    o cleanup testreport
1508    
1509    checkpoint51o_post
1510    o bringing AD-related verif's up to date with genmake2
1511      - carbon/
1512      - global_ocean.90x40x15/
1513      - hs.94.1x64x5/
1514      - (front_relax/ )
1515    o (more) consistent directory structure for AD-related verif.'s
1516    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1517    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1518    o bug fix in find_alpha.F for MDJWF:
1519      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1520        change rho -> rho-rhoConst
1521      - replace call find_rho to find_rhonum
1522    o initialisation of rFlx extended to full array (required by TAF)
1523      and shifted to thermodynamics
1524    o removed PTRACERS.h in ptracers routine
1525    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1526    o Correcting initialisations for fVerU, fVerV.
1527    o helping TAF to recognize dependency on kUp for
1528      fVerU, fVerV
1529    o Replacing delZ by delR in pkg/ctrl/
1530    checkpoint51o_pre
1531    
1532    o undid all of cp51 pending some cleanups and discussion
1533    o added the [#include "AD_CONFIG.h"] statement to all files that need
1534       it for adjoint/tl #defines
1535     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1536     o removed tools/genmake since it no longer works
1537    
1538    checkpoint51n_post
1539    o modifications to make FREEZE flux visible to pkg/kpp
1540      - moved surfaceTendencyTice from pkg/seaice to main code
1541      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1542      - subroutine FREEZE now limits only surface temperature
1543        (this means new output.txt for global_ocean.90x40x15,
1544         global_ocean.cs32x15, and global_with_exf)
1545    o added surface flux output variables to TIMEAVE_STATVARS
1546    
1547    checkpoint51n_pre
1548    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1549    o added [#include "AD_CONFIG.h"] to all files that use the following
1550      defines:
1551      - ALLOW_ADJOINT_RUN
1552      - ALLOW_TANGENTLINEAR_RUN
1553      - ALLOW_ECCO_OPTIMIZATION
1554    
1555    checkpoint51m_post
1556    o incorporating changes to get TAMC/TAF working in genmake2
1557      - added new TAMC/TAF targets to the Makefile
1558      - various cleanups related to package handling
1559      - these changes should have no impact on the forward model
1560    
1561    checkpoint51l_post
1562    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1563     - faster algorithm for cal_addtime.F
1564     - higher precision arithmetic, where needed
1565     - pkg/exf *startdate variables changed from calendar date to
1566       model integration time
1567    
1568    checkpoint51l_pre
1569    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1570    o enable to apply restoring on S & T only in a latitude band.
1571    o update output (external_forcing_surf modif. change truncation errors)
1572       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1573    
1574    checkpoint51k_post
1575    o change default to: useNHMTerms=.FALSE.
1576     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1577       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1578     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1579        exp1, ideal_2D_oce
1580     - change data file of oceanic exp (leave the results unchanged for now)
1581       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1582    o set gravitySign automatically according to the vertical coordinate used
1583      (and change sign: back to "logical" value: +1 when R increases downward)
1584    o added an include barrier to the default CPP_OPTIONS.h and
1585      removed the #include "PACKAGES_CONFIG.h" from it
1586    o fix a bug in mom_fluxform (from chk51j_post)
1587    
1588    checkpoint51j_post
1589    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1590    o adjusted some flow directives (dynamics, thermodynamics)
1591    o added cubed-sphere case to test cost function
1592    o heckpoint_lev?_directives.h now include
1593      pkg-specific directives, whenever those are enabled.
1594    o Moving pkg-specific flow directives to corresponding pkg
1595      Moving pkg-specific differentiation list to corresponding pkg
1596      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1597      ---> conventions are
1598           - pkg_ad.flow
1599           - pkg_ad_diff.list
1600           - pkg_ad_check_lev?_dir.h
1601    
1602    checkpoint51i_post
1603    o merge of the branch-genmake2
1604      - knowingly breaks the older genmake
1605      - automatic generation of all ALLOW_${PKG_NAME} defines
1606      - new testreport supersedes older testscript
1607    o large number of package inclusion and header cleanups
1608    checkpoint51i_pre
1609    
1610    o new output for adjoin of global ocean vector invariant
1611    o fix for checkpoint of thermodynamic seaice and bulk_force
1612    o Steph gchem various cleanups
1613    
1614    checkpoint 51h_pre
1615    o fixed some single quotes
1616    o modify gchem pkg to be more versatile
1617    o modifications to clean up dic pkg
1618    o add pkg/cfc
1619    
1620    checkpoint51g_post
1621    o provide links for ARPACK and ADM*TLM
1622    o start removing verification/vero/
1623    o update AD-related stuff
1624      (in particular some IF-statements in model/src/ routines)
1625    o adding to verification/global_ocean.90x40x15/ adjoint of
1626      vector invariant setup
1627    
1628    checkpoint51f_post
1629    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1630    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1631      of tracer Green's fucntions for ocean inversion project.
1632    
1633    checkpoint51f_pre
1634    o Added on-the-fly spatial interpolation capability
1635        "USE_EXF_INTERPOLATION" to pkg/exf.
1636      - This is a temporary Cartesian-grid hack until
1637        the super-duper ESMF coupler becomes available.
1638      - See verification/global_with_exf/README for usage example.
1639      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1640        flags and modified pkg/seaice accordingly.
1641    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1642        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1643        non-local transport term.
1644    
1645    checkpoint51e_post
1646    o pkg/mom_vecinv:
1647      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1648      - add time-ave diagnostic of vorticity advection.
1649    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1650    o atmospheric geopotential: - include water vapor effect;
1651                                - use p^kappa in p* scaling.
1652    o land pkg: read initial state from files.
1653    o AIM : add stratospheric drag in the upper level
1654    
1655    checkpoint51d_post
1656    o change function ILNBLNK (=> last non-blank char.) to return zero
1657      (instead of the string length) when the string. char is empty
1658    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1659    o modif's to restore TAMC compatibility
1660      - avoid "_d" constructs in PARAMETER declarations
1661      - avoid interrupting lines by comment lines
1662    o Use cluster local disks for purely local I/O
1663      vs. globally visible disks needed for ctrl stuff
1664      (merged from ecco-branch)
1665      - new active_file_loc... and mdsio_..._loc routines
1666      - affected packages: autodiff, ctrl, grdchk, mdsio
1667    
1668    checkpoint51c_post
1669    o introducing integer flag debugLevel
1670      - debLevZero: suppress all output
1671      - debLevA: standard
1672      - debLevB: equivalent to current debugMode=.TRUE.
1673    o introducing pathname variable mdsioLocalDir for mdsio
1674      that can be specified at runtime
1675      (relevant for cluster I/O to local disk)
1676    `
1677    >>>checkpoint51b_post
1678    adjoint of ptracers
1679    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1680    o extended state in checkpoint_lev?, etc.
1681    o alternative ctrl/cost with tr1 or ptracer
1682    o new comlev1_bibj_ptracers
1683    o new ptracers.flow
1684    o made ptracers_forcing same as external_forcing_s
1685    o added verification for adjoint with ptracers
1686      - adm. grdchk fail so far
1687      - tlm. grdchk OK
1688      - checked tapelev/comlev recomputations: OK
1689    <<<checkpoint51b_pre
1690    
1691    checkpoint51a_post
1692    o added code for biogeochemistry package
1693      - new pkgs: dic, gchem
1694      - new subroutine in ptracers
1695    o modify code for biogeo packages
1696      - in model/src and pkg/ptracers
1697    
1698    checkpoint51
1699    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1700      - autodiff, ctrl, exf, grdchk, seaice
1701      kept separate packages
1702      - cost, ecco, obcs
1703    o updating verification/internal_wave, verification/lab_sea
1704      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1705    
1706    checkpoint50i_post
1707    o Preparing next differentiable checkpoint and sync
1708      of MAIN vs. ecco-branch
1709      - 1st step: this one is differentiable
1710      - 2nd step: next(! not this) checkpoint will have updated packages
1711                  from ecco-branch)
1712    
1713    checkpoint50h_post
1714    o new package "land": provide surface BC for AIM.
1715    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1716    o AIM: use true log-P extrapolation for near surface temp (= as in
1717        F.Molteni paper) ; update aim.5l_cs output.
1718    o New variable in PARM03 for more flexible pickups
1719    o somewhat cleaned package initialisation sequence for
1720      ctrl/ cost/ ecco/ in packages_... routines
1721    
1722    checkpoint50g_post
1723    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1724      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1725      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1726        made the default because of faster convergence than ADI
1727    
1728    checkpoint50f_post
1729    o exf totally restructured
1730      - replaced all exf_set_ routines by one generic exf_set_gen.F
1731        and made sure it's still differentiable
1732      - split exf_getffields.F into new exf_bulkformulae.F
1733      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1734      - updated adjoint/makefile and relevant verif. accordingly
1735    
1736    checkpoint50f_pre
1737     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1738          + change Evap over land. (update aim.5l_cs output)
1739     o added missing .cvsignores and made uniform across expts
1740     o changed configuration of tidal_basin_2d expt
1741     o added pkg/debug functions for tracing code in fatal crashes
1742     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1743     o new fn in pkg/monitor to stop model if solution grows too big
1744     o removed lots of single quotes from comments
1745    
1746    checkpoint50e_post
1747    o make KPP work with PTRACERS
1748     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1749       nearly a copy of kpp_transport_s
1750     - there is no analogue to SurfaceTendencyS, so I have to use
1751       gPtr(of the surface layer) instead
1752    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1753    checkpoint50e_pre
1754    
1755    checkpoint50d_post
1756    o change kpp output from multiple-record state files to single-record state
1757      files analogous to write_state.F
1758    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1759      analogous to the cg2d-related output.
1760    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1761      so that writing to internal file fn (with length 512) fails.
1762    checkpoint50d_pre
1763    
1764    checkpoint50c_post
1765    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1766    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1767    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1768    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1769    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1770    
1771    checkpoint50c_pre
1772    Merging from release1_p13:
1773    o bug fix for pkg/seaice dynamic solver
1774    o Added SEAICE_initialHEFF to pkg/seaice
1775    
1776    checkpoint50b_post
1777    o store u*,v* in gU,V instead of in guNm1,gvNm1
1778    o in order to put the momForcing out of the Adams-Bashforth:
1779      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1780      to timestep.F
1781    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1782    o re-generate output for highly sensitive test-exp:
1783       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1784    
1785    checkpoint50b_pre
1786    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1787    o corrected CPP option mismatch in exf_Bulk... functions for case
1788      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1789    
1790    checkpoint50a_post
1791    o Bug fix for merging between c50 and KPP.
1792      ikey was passed from thermodynamics to kpp_calc via
1793      common block rather than being recomputed in kpp_calc,
1794      in contradiction with new key itdkey.
1795      New key ikppkey created, and tamc.h headers updated.
1796    
1797    checkpoint50
1798    - 2nd step of merge with ecco-branch:
1799      merge changes in ecco-branch back into main trunk
1800    - bug fix in find_alpha
1801    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1802    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1803    - merged some sliced AD support routines
1804    
1805    checkpoint49
1806    merged from ecco-branch:
1807    o exf:
1808      - Enable initialisation of forcing fields to constant
1809        (runtime) values.
1810      - in exf_getffields.F
1811        Reduce i-/j-loop to interior domain, discarding overlaps.
1812        That also fixes wrong TAF-key computations for key_1, key_2
1813        with bulf formulae.
1814      - exf_init.F modify #ifdef for exf_init_evap
1815      - exf_getffieldrec.F, ctrl_getrec.F
1816        The following INT-usages are not safe:
1817          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1818          fldcount = int(fldsecs/fldperiod) + 1
1819        and were modified.
1820    o autodiff: checkpoint_lev...
1821      - updated storing for bulk formulae (some arrays were missing)
1822      - added state for seaice package
1823      - synchronized with main branch
1824    o DIVA:
1825      Modif.s in
1826      - the_main_loop.F
1827      - the_model_main.F
1828      and added cost_final_restore.F cost_final_store.F
1829      o With these changes, it is possible to fully separate
1830        the first forward run to compute the cost function (mdthe_main_loop)
1831        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1832        into separate model executions.
1833        This enables better tuning of DIVA to given queue sizes.
1834      o Loss of cost function value in consecutive DIVA runs is
1835        fixed by storing to 'costfinal' file.
1836      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1837        beginning/end of adjoint integration is accounted for.
1838      The current changes apply to TAF-1.4.26.
1839      TAF has one remaining bug, requiring one manual change
1840      (see MITgcm manual).
1841    o cal: synchronized between MAIN and ecco-branch
1842    
1843    checkpoint48i_post
1844    o Changes to restore differentiability of code w.r.t. previous tag
1845      (mostly adding new routines to make list and replacing
1846      pressure by totPhiHyd).
1847    o Updated and merged grdchk package
1848      - has both ADM and TLM checks
1849      - works for single- and multi-proc.
1850      - output cleaned
1851      - worked successfully for parallel DIVA
1852    o genmake:
1853      - Adding -platform=SP4
1854      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1855    o Modif. for DIVA:
1856      ctrl_unpack should not be called in intermediate DIVA interval.
1857      (similar thing would apply for active files such as
1858      tbar, sbar, psbar, which should not be reinitialised;
1859      only relevant for ecco-branch)
1860    
1861    checkpoint48h_post
1862    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1863    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1864    o Added SEAICE_initialHEFF to pkg/seaice
1865    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1866    
1867    checkpoint48g_post
1868    --- EOS:
1869    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1870      store total Potential in totPhyHyd for diagnostics & EOS.
1871    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1872    --- Pressure/geopotential gradient:
1873    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1874    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1875      ( changes results of global_ocean_pressure )
1876    o NLFS + z-coord.: add eta*Rho' contribution.
1877    o accurate phiHyd when using interface-W at the middle between 2 centers
1878     ( changes results of ideal_2D_oce )
1879    o includes r* 2nd term in potential gradient.
1880    
1881    checkpoint48f_post
1882    Merging from release1_p12:
1883    o Modifications for using pkg/exf with pkg/seaice
1884      - improved description of the various forcing configurations
1885      - added basic radiation bulk formulae to pkg/exf
1886      - units/sign fix for evap computation in exf_getffields.F
1887      - updated verification/global_with_exf/results/output.txt
1888    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1889      (SBO) core products, including oceanic mass, center-of-mass,
1890      angular, and bottom pressure (see pkg/sbo/README.sbo).
1891    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1892      to avoid negative values in shallow regions.
1893      - updated verification/natl_box/results/output.txt
1894      - updated verification/lab_sea/results/output.txt
1895    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1896    o Added useSingleCpuIO option (see PARAMS.h).
1897    o Updated useSingleCpuIO option in mdsio_writefield.F to
1898      work with multi-field files, e.g., for single-file pickup.
1899    o pkg/seaice:
1900      - bug fix in growth.F: QNET for no shortwave case
1901      - added HeffFile for specifying initial sea-ice thickness
1902      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1903    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1904      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1905    o pkg/seaice:
1906      - adjoint-friendly modifications
1907      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1908    
1909    checkpoint48e_post
1910    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1911    o dynamics: change definition of computational domain & adapt mom_fluxform
1912      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1913    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1914        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1915        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1916        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1917        inverted_barometer solid-body.cs-32x32x1
1918      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1919    
1920    checkpoint48d_post
1921    o in preparation for r*:
1922     a) use pre-computed gradient of hydrostatic potential:
1923        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1924     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1925        => affects results of glob_oce_pressure (different truncation error)  
1926      update output.txt of ideal_2D_oce & global_ocean_pressure
1927    
1928    checkpoint48d_pre
1929    o in preparation for r*:
1930      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1931      pass the 2 comp. of the grad. as arguments to momentum S/R.
1932      but for the moment, only used if it does not change the results.
1933    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1934    
1935    checkpoint48c_post
1936    Modifications in treatment of initial flux forcing controls
1937    to avoid extra storing of flux fields.
1938    
1939    checkpoint48c_pre
1940    o Added tidal_basin_2d experiment (currently 1D!)
1941    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1942    
1943    checkpoint48b_post
1944    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1945     (modification to pressure gradient not yet implemented)
1946    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1947      (for U & V) that are used for vertical advection of momentum.
1948    
1949    checkpoint48a_post
1950    o In preparation for r*, use temp. array to compute vertical transport
1951       in flux-form momentum pkg. => change results of few test-exp.
1952      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1953                        lab_sea, natl_box & plume_on_slope
1954    
1955    checkpoint48
1956    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1957    
1958    checkpoint47j_post
1959    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1960    o moved adexch from forward_step to addummy_in_stepping
1961    o added exch in ctrl_map_...
1962    o aveFreq.=0. at end of cost_final to avoid overwrite in
1963      reverse checkpointing loop
1964    o Yet more changes in gmredi:
1965      * adgmredi_calc_tensor
1966        avoiding all recomputation of gmredi_slope_limit
1967      * adgmredi_x/y/rtransport
1968        added flag for excessive storing to avoid recomp. of
1969        u/v/rtans, dTdx/y/z
1970        -> this is not really necessary and very memory-consuming
1971      * adgmredi_slope_psi:
1972        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1973      * gmredi_slope_limit
1974        re-activated full calculation of taperfct for case 'ac02'
1975    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1976    
1977    checkpoint47i_post
1978    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1979    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1980      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1981    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1982    o gmredi: fix few bugs.
1983    
1984    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1985    This will be a good checkpoint to plug into the ecco-branch.
1986    o few modif.'s to get latest version adjointed
1987      (mainly kick out code in ini_linear_phisurf)
1988    o modif's to run adjoint with exactConserv
1989    o case GM_BOLUS_ADVEC should be cleaned
1990      S/R gmredi_slope_psi should be cleaned
1991    o verification/carbon now has exactConserv=.TRUE.
1992    
1993    checkpoint47g_post
1994    o time-average AIM output: becomes independent from statvars time-average
1995      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1996    o After TAF bug fix:
1997      Tested adjoint of gmredi package.
1998      Tests were done with checkpoint47 rather than with latest
1999      checkpoint47f_post since the latter is broken for the adjoint
2000      verification/carbon/ contains both ADM and TLM gradient checks.
2001    Here they are, before they get changed/lost/stolen.
2002    Mostly modif.'s to fix numerical sensitivities.
2003    Gradient checks OK for
2004    - GM_taper_scheme:
2005      * clipping
2006      * ac02
2007      * linear
2008      * glw91
2009      * dm95
2010      * ldd97
2011    - GMREDI_OPTIONS:
2012      * GM_VISBECK_VARIABLE_K
2013      * GM_NON_UNITY_DIAGONAL
2014      * GM_EXTRA_DIAGONAL
2015      * GM_BOLUS_ADVEC
2016    in conjunction with data.gmredi parameters to be checked in
2017    in a few minutes under verification/carbon/code/
2018    
2019    checkpoint47f_post
2020    Merging from release1_p10:
2021    o modifications for using pkg/exf with pkg/seaice
2022      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
2023        and SEAICE_EXTERNAL_FLUXES
2024      - pkg/exf CPP options EXF_READ_EVAP and
2025        EXF_NO_BULK_COMPUTATIONS
2026      - usage examples are Experiments 8 and 9 in
2027        verification/lab_sea/README
2028      - verification/lab_sea default experiment now uses
2029        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
2030    
2031    checkpoint47e_post
2032    o created a tag prior to creating a branch
2033    
2034    checkpoint47d_post
2035    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
2036      at the bottom boundary had an erroneous half slip boundary condition
2037    o added bottom drag and no slip boundary condition capabilities to
2038      oceanic pressure coordinates code
2039    o added new verification experiment global_ocean_pressure, this experiment is
2040      also described in the tutorial section of the manual
2041    checkpoint47d_pre
2042    
2043    checkpoint47c_post
2044    o Added a verification experiment for a global cubed-sphere ocean run
2045      -  verification/global_ocean.cubed32x32x30
2046      -  uses pkg/therm_seaice and pkg/bulk_forcing
2047    
2048    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
2049    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
2050      when using P-coordinate; only implemented for atmospheric config.
2051    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
2052      NOTES: requires option NONLIN_FRSURF to be "#define".
2053    o update advect_xz/results/output.txt (left from checkpoint44g_post)
2054    
2055    checkpoint47b_post
2056    Merging from release1_p9:
2057    o pkg/seaice
2058      - removed GOTO's and added taf directives
2059      - double precision constants to reduce the g77 (Linux)
2060        to F77 (SGI) differences reported in release1_p8
2061    o tools/genmake
2062      - added SGI options
2063    o verification/testscript
2064      - updated to that of checkpoint47a_post
2065    o verification/global_ocean.90x40x15/input/eedata
2066      - modified for SGI f77 compatibility
2067    o verification/lab_sea
2068      - added description of sea-ice model
2069      - added missing matlab routines
2070      - added test of thermodynamics parallelization
2071    
2072    checkpoint47a_post
2073    o new pkg: aim_v23
2074     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
2075       for now, keep the same surface forcing as before.
2076     - Part-Cell implemented into AIM; check that Heat & Water are conserved
2077     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
2078     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
2079    o add diagnostic of surface correction term in monitor output
2080    
2081    o bulk_force and therm_seaice
2082    - Two packages:  bulk_force (Bulk forcing)
2083      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
2084    - Earlier integration from Stephaine Dutkiewicz
2085      and Patrick Heimbach.
2086    - Two ifdef statements for compile time,
2087       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
2088    
2089    checkpoint47
2090    differentiable version of checkpoint46n_post
2091    o bug fix in quasihydrostaticterms
2092    o * "clean" adjoint code (in terms of extensive recomputations)
2093        can now be obtained for all GMREDI options (i.e. for
2094        - GM_VISBECK_VARIABLE_K
2095        - GM_NON_UNITY_DIAGONAL
2096        - GM_EXTRA_DIAGONAL
2097        - GM_BOLUS_ADVEC )
2098      * However, wrong gradient check problem remains unsolved.
2099      * New CPP options have been introduced for different
2100        tapering schemes
2101    o external_fields_load now part of differentiation list
2102    o pressure needs multiple storing;
2103      would be nice to have store_pressure at beginning or
2104      end of forward_step, e.g. by having phiHyd global (5-dim.)
2105      (NB: pressure is needed for certain cases in find_rho,
2106      which is also invoked through convective_adjustment).
2107    o recomputations in find_rho for cases
2108     'JMD95'/'UNESCO' or 'MDJWF' are OK.
2109    o #define ATMOSPHERIC_LOADING should be differentiable
2110    o ini_forcing shifted to begining of initialise_varia
2111    o Incorporating QNVS line search routines into MITgcm
2112      (this is separate code, and therefore not under pkg)
2113      lsopt/, optim/
2114    o Updated verification/carbon/
2115      - #define GM_VISBECK_VARIABLE_K
2116      - GM_taper_scheme    = 'ldd97'    
2117    
2118    checkpoint46n_post
2119    Merging from release1_p8:
2120    o verification/natl_box:
2121      updating new external_fields_load routine
2122    o New package: pkg/seaice
2123      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
2124      The sea-ice code is based on Hibler (1979-1980).
2125      Two sea-ice dynamic solvers, ADI and LSR, are included.
2126      In addition to computing prognostic sea-ice variables and diagnosing
2127      the forcing/external data fields that drive the ocean model,
2128      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
2129      The implied surface heat flux is then stored in variable
2130      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
2131      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
2132      non-local transport term.  Because this call precedes model
2133      thermodynamics, temperature under sea-ice may not be "exactly" at
2134      the freezing point by the time theta is dumped or time-averaged.
2135      N.B.: fairly large differences in accuracy occur across
2136            different platforms/compilers; comparison between
2137            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
2138            generated output gives:
2139       T           S           U           V
2140      C D M    c        m  s        m  s        m  s        m  s
2141      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
2142      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
2143      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
2144    
2145      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
2146    o GAD:
2147      - generated new common blocks to account for call of
2148        same gad routines with differing traceridentities
2149        (needed to modify tracerIdentity indices in GAD.h)
2150      - generated separate common blocks for case useCubedSphereExchange
2151        (Department of Futurology)
2152      - parameter lists to gmredi_?transport: added tracerIdentity
2153      - added new key indices to tamc.h
2154    o external_fields_load:
2155      - added this routine to TAF list
2156      - needed to make some common blocks global and additional storing
2157        along the same lines as exf package (checkpoint_lev?_directives.h)
2158    o exf:
2159      updated external forcing package
2160      - bug fixes carried over from ecco-branch
2161        (missing OBCS_OPTIONS.h in two routines)
2162      - enable easy to use "no forcing".
2163      - added exf I/O for atmospheric loading
2164      - added exf I/O for runoff data
2165      - transfered scaling between exf <-> MITgcm to exf namelist
2166    o Adding new verification experiment global_with_exf.
2167      This verification experiment is almost identical to the
2168      global_ocean.90x40x15 experiment, except that it uses
2169      the exf (and cal) package instead of the
2170      external_fields_load routine (cf README file).
2171    
2172    checkpoint46m_post
2173    o modified testscript to return -- when there are no lines of "%MON" output
2174    o added new flag "quasiHydrostatic" for QH mode
2175      and new routine quasihydrostaticterms()
2176    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
2177      New routine: mom_u_coriolis_nh()
2178    o fixed sign of non-hydrostatic metric terms in u and v equations.
2179      Depend on correct sign of gravitySign.
2180    o added work.pc* to .cvsignore in aim directories using ifc
2181    o introduced flag for controllin non-hydrostatic metric terms
2182    o removed gravitySign from PARM04
2183    o switched to g77/ifc from pgf77 in aim experiments
2184    
2185    checkpoint46l_post
2186    o made convective adjustment work with pressure coordinates:
2187     - changed the direction of k-loop in convective_adjustment.F for the
2188       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
2189     - adjusted the reference pressure k-index in convective_adjustment.F
2190     - adjusted the convection condition in convect.F (in analogy to
2191       calc_ivdc.F)
2192     - convective_adjustment no longer computes anything on the halos
2193     - removed the warnings about negative salinity from find_rho.F and
2194       find_alpha.F; instead the new routine look_for_neg_salinity, called
2195       at the beginning of find_rho, find_alpha, and find_beta, does a
2196       check of the entire slice, if CPP-option
2197       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
2198    checkpoint46l_pre
2199    
2200    checkpoint46k_post
2201    o fixed the verification/global_ocean.90x40x15 experiment:
2202     - new bathymetry (the world according to A., JMC, and M.)
2203     - new initial fields and forcing fields (*.bin files)
2204     - new POLY3.COEFFS (for the next release one should switch to a full
2205       equation of state: JMD95P or MDJWF)
2206     - fixed several errors and redundancies in the data file
2207     - experiment uses looped cells
2208     - added matlab directory with diagnostic scripts for plotting of output
2209    
2210    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
2211     - read AIM physics parameters from a file (data.aimphys)
2212     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
2213    
2214    checkpoint46j_post
2215    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
2216    o move wVel computation at the end of the time step, in S/R integr_continuity
2217    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
2218    o update timeave pkg for wVel diagnostic.
2219    checkpoint46j_pre
2220    
2221    checkpoint46i_post
2222    o Clean up AIM package (and keep the results unchanged):
2223      include CPP_OPTION and use IMPLICT NONE in all routines ;
2224      declare all the variables _RL ; use _d 0 for all numerical constants.
2225      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
2226    
2227    checkpoint46h_post
2228    o cleaned up the use of rhoNil and rhoConst.
2229      - rhoNil should only appear in the LINEAR equation of state, everywhere
2230        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
2231        and the dynamical equations are all divided by rhoConst
2232    o introduced new parameter rhoConstFresh, a reference density of fresh
2233      water, to remove the fresh water flux's dependence on rhoNil. The default
2234      value is 999.8 kg/m^3
2235    o cleanup up external_forcing.F and external_forcing_surf.F
2236      - can now be used by both OCEANIC and OCEANICP
2237    checkpoint46h_pre
2238    
2239     Added code to convert surface volume flux (fresh water) into
2240     a mass flux when using P coordinates in the ocean (OCEANICP).
2241     Note: It assumes you have set rho0=rhoConst=density of fresh water.
2242    
2243    checkpoint46g_post
2244    o Include a new diagnostic variable phiHydLow for the ocean model
2245      - in z-coordinates, it is the bottom pressure anomaly
2246      - in p-coordinates, it is the sea surface elevation
2247      - in both cases, these variable have global drift, reflecting the mass
2248        drift in z-coordinates and the volume drift in p-coordinates
2249      - included time averaging for phiHydLow, be aware of the drift!
2250    o depth-dependent computation of Bo_surf for pressure coordinates
2251      in the ocean (buoyancyRelation='OCEANICP')
2252      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
2253        Theta, Salinity, and Pressure in the parameter list. This routine is
2254        presently contained in find_rho.F. This routine does not give the
2255        correct density for 'POLY3', which would be a z-dependent reference
2256        density.
2257    o cleaned up find_rho
2258      - removed obsolete 'eqn' from the parameter list.
2259    o added two new verification experiments: gop and goz
2260      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
2261    checkpoint46g_pre
2262    
2263    checkpoint46f_post
2264    o Enable tangent linear (forward mode) gradient checks:
2265      - extended active file handling to g_... files
2266      - added TANGENT_SIMULATION to theSimulationMode
2267      - extended grdchk package accordingly
2268    o added tangent linear setup in verification/carbon/code_ftl
2269    o added adjoint setup in verification/front_relax/code_ad
2270    
2271    checkpoint46e_post
2272    o Added new equation of state -> MDJWF
2273      - EOS of McDougall et al., 2002, JAOT, submitted
2274      - caveat: the equation of state is only valid for a smaller (more
2275        realistic?) range of values than JMD95P/Z and UNESCO
2276      - added masks to the calculation of pressure in store_pressure
2277      - added more check values for density in check_eos (ini_eos.F), some of
2278        the old check values are out of the range of the MDJWF-eos, so don't
2279        expect perfect matches for those
2280    checkpoint46e_pre
2281    
2282    checkpoint46d_post
2283    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
2284      'OCEANICP', also initialised field pressure correctly in ini_eos in the
2285      case of pressure coordinates. eosType='JMD95Z' in
2286      combination with buoyancyRelation='OCEANICP' now causes an error.
2287    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
2288      in find_alpha/beta.
2289    checkpoint46d_pre
2290    
2291    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
2292      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
2293    
2294    checkpoint46c_post
2295    o Changes necessary for ocean in p-coordinates
2296     -  Added new buoyancy relation = 'OCEANICP'
2297     -  Added new parameters = gravitySign (this used to be contained inside
2298        the factor dRdZ which I added when we first switched to R coordinates).
2299     X GM/Redi is not compatible (yet)
2300     X bottom drag and no-slip need to be debugged.
2301    checkpoint46c_pre
2302    
2303    checkpoint46b_post
2304    o Added new equation of state -> JMD95Z and JMD95P
2305      - EOS of Jackett and McDougall, 1995, JAOT
2306      - moved all EOS parameters into EOS.h
2307      - new routines ini_eos.F, store_pressure.F
2308    o Added UNESCO EOS, but not recommended because it requires
2309      in-situ temperature (see JMD95)
2310    o Modified formatting for knudsen2.f in utils/knudsen2 and added
2311      unesco.f to be used with POLY3
2312    checkpoint46b_pre
2313    
2314    checkpoint46a_post
2315    o Added (atmospheric) pressure loading
2316      - new field in FFIELDS.h, etc...
2317      - new cpp flag ATMOSPHERIC_LOADING
2318    o Changed hFacC to _hFacC in calc_phi_hyd.F
2319    o Added SHORTWAVE_HEATING to some files for consistency
2320    checkpoint46a_pre
2321    
2322    checkpoint46
2323    further merges from release1_p5
2324    o new ctrl package
2325      - adopted from ECCO environment to enable optimization
2326      - added Eliassen Palm fluxes to controls
2327    o added Eliassen Palm flux controls to gradient check package
2328    o cost package
2329      - Compatible with new ctrl package
2330      - added Eliassen Palm cost hooks
2331      - modif's of existing cost functions
2332    o Adjoint-related bug fixes in kpp:
2333      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
2334      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
2335    o autodiff package
2336      - flow directives:
2337        + new for S/R do_the_model_io
2338        + enhanced for S/R checkpoint
2339        + new gmredi.flow
2340      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
2341        disable adcommon.h/g_common.h by default.
2342      - fixed problem for adjoint of global_max
2343    o modified verification/carbon/
2344    o New setup for adjoint of global_ocean
2345    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
2346    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
2347    o incorporated hooks for sponge layer code (external_forcing.F)
2348    
2349    checkpoint45d_post
2350    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
2351    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
2352      (affects plume_on_slope "cg2d" output)
2353    o add new parameter deltaTfreesurf for free-surface time stepping
2354    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
2355  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
2356  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
2357  o add new flags:  o add new flags:

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