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revision 1.178 by dimitri, Wed Sep 24 06:50:26 2003 UTC revision 1.641 by heimbach, Fri Mar 24 23:01:39 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  untagged  o fix mnc-pickup/restart for ptracers
8    o new package prifiles:
9      code to compute profile-based cost by Gael Forget
10      (modifs in ecco, ctrl, autodiff)
11    o Benign bug fix in initialization (spotted by M. Mazloff) of
12      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
13    
14    checkpoint58c_post
15    o adjoint: finish NLFS adjoint and provide reference output in
16      verification/global_ocean.90x40x15/results_ad_nlfs
17    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
18      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
19      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
20      with SEAICE_CGRID defined.
21    o move calendarDumps from "data" to "data.cal" and clean-up the code
22      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
23    o add useEXF & useCAL flags (for now, set in hard-coded way)
24    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
25      (were missing in NH mode, and wrong in quasihydrostatic mode).
26      waiting for Chris updated version of calc_gw to add those CALLs.
27    o fix bug in quasihydrostatic S/R ;
28      add a test for this option: global_ocean.90x40x15.qshyd
29    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
30      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
31    o add on/off flag useOffLine for package OFFLINE
32    o seaice:
33      - modify advection so that it works also on the C-grid
34      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
35        problem in multi-tile runs with C-grid
36      - add flags for clipping ice velocities and/or masking solver forcing
37      - fix drag (ocean on ice) formulation and a bug that caused noise in the
38        C-grid solver
39      - added a few comments to seaice_diffusion.F
40      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
41        are now exclusive)
42      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
43        required re-ordering the code a little:
44       + make DAIRN global variable (defined in SEAICE)
45       + move computation of the viscosities eta and zeta into a new separate
46         routine (because I need to recompute them in seaice_ocean_stress.F)
47    
48    checkpoint58b_post
49    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
50      update output.txt of exp. aim.5l_cs.thSI
51    o various mnc cleanups and improvements:
52      + shrink lookup tables by factor of ~4
53      + better error reporting when running out of lookup space
54      + able to handle longer path/file names (up to 500 chars)
55    o adjoint:
56      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
57      - TBD: "hidden" mom_vecinv recomp. in dynamics
58    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
59     (allow to differentiate between forcing components using new integer flags:
60      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
61     and add new flag to put Dissipation tendency out of Adams-Bashforth.
62    o ecco
63      - enable trend removal from SSH anomaly obs.
64    o adjoint
65      - a fix for PmEpR when #undef EXACT_CONSERV
66      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
67      - try to fix "hidden" recomp. in forward_step for NLFS
68        (NLFS seems broken sometimes after I checked it in)
69    o seaice:
70     - add c-grid version of the dynamic solver:
71       + three new routines that are the c-grid substitute lsr, dynsolver
72         and ostres
73       + put a few fields that were local to dynsolver into global common
74         blocks, so that I can move the computation of stresses etc into
75         seaice_lsr (saves coding but may break the adjoint).
76     - replace more hardwired parameters by runtime parameters
77     - add ice masks that mask the rhs of the implicit solvers where there
78       is no ice (commented out in seaice_dynsolver, because i am not sure
79       if this works properly), eventually this should replace the clipping
80       of ice velocities in seaice_dynsolver to +/-40cm/s.
81    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
82      include it only where its needed
83    o move balancing of fluxes before the call of external_forcing_surf
84    o seaice:
85      - correct units of turning angles (now they are really in degrees)
86      - move computation of GWATX/Y out of main routine into dynsolver
87      - initialize GWATX/Y in seaice_init
88    o Apply mask on Fresh-Water flux (needed for SSH forcing).
89      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
90    o seaice: add runtime flags for turning angles (default to zero)
91    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
92      and trend from exf forcing and ctrl control adjustments
93    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
94      (since checkpoint57x_post)
95    o change the default rotation period to 86164.s = the Earth rotation
96    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
97      and based on a reference stratification. Tested within hs94.cs-32x32x5.
98    o seaice advection: add code for choosing between the default (2nd order
99      central differences) and multiDim advection schemes provided by
100      pkg/generic_advdiff
101    o seaice:
102      - removed all references to SEAICE_GRID.h fields from
103        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
104        (cubed-sphere configuration will change a little)
105      - grid computations in seaice_init are obsolete now.
106      - cleaned up code a little so that is easier to read (hopefully).
107      - added new (better?) discretizations of default advection and diffusion
108        (turn on with SEAICEuseFluxForm)
109      - replace 1 in 3d global fields by kSurface in growth.F
110      
111    checkpoint58a_post
112    o seaice:
113      - bug fix in advect.F
114    o shelfice:
115      - separate shelfice load anomaly from pload (breaks with time
116        dependent forcing), => introduce constant field shelficeLoadAnomaly.
117        Its default is 0., but it may be computed more cleverly from (unknown)
118        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
119        done offline. A good approximation of the pressure load anomaly is
120        necessary to avoid large initial adjustment processes underneath
121        deep-reaching shelfice.
122      - small fix in ISOMIP shelfice_thermodynamics
123      - add more sophisticated thermodynamics of Hellmer (1989), this is
124        now the default
125      - give a few constants more intuitive names
126    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
127      if bulk formulae are used in long integration (especially EmPmR). Turn
128      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
129      if balancePrintMean, the imbalance that is substracted is printed to
130      STDOUT.
131    o fix bug (typo) in obcs_apply_eta.F
132    o add a new package shelfice which enables us to model the circulation
133      underneath shelf-ice with draughts of hundreds of meters.
134     - works
135     - to do: + include improved thermodynamics
136              + check whether kSurfC (from model/inc/SURFACE.h) can be used
137                instead of new field kTopC
138              + can we use topoFile, Ro_surf and existing code in ini_depth.F
139                instead of new field R_shelfIce and new code in ini_depth.F
140                and ini_mask_etc.F?
141              + adjust vertical mixing schemes?
142    o seaice pkg:
143     - add a cpp-flag to include a simple formula for a salinity dependent
144       freezing point of sea water at the surface
145     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
146       meridional stresses are now different (and hopefully correct)
147    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
148       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
149       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
150    o pkg/diagnostics: add options and parameters for regional-statistics
151       diagnostics ; define regions by reading a region-mask from a file
152       (might add other options later)
153    o pkg/bulk_force:
154     - add option and parameters to use AIM surface-flux formulae.
155     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
156       others forcing fields (defined in PARM05, parameter file "data") are loaded
157       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
158     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
159     - use the right EXCH call for uwind,vwind (to work on CS-grid).
160     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
161       and parameters (note: calcWindStress replaces .NOT.readwindstress).
162     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
163    
164    checkpoint58
165    o add "--embed-source" option to genmake2 which, when the supporting
166      tools can be compiled (as determined by genmake2) will turn on the
167      embed_files package which then embeds the entire MITgcm source code
168      (*.[fFhc] + Makefile) used for the build within the executable
169      - requested by CNH but off by default
170      - adds a paltry <9MB to the mitgcmuv executable in most cases
171      - only writes the output when useEMBEDSRC in eedata is true
172    o clean up 3-dim. relaxation codes:
173      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
174      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
175      * Thanks to Tom Haine for testing!
176    
177    checkpoint57z_post
178    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
179      affects output (@ truncation level) of exp. plume_on_slope ; updated.
180    o fix the pickup behavior for obcs in combination with ptracers
181    o fix a bug in ptracers_external_fields_load
182    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
183      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
184    o transfered surface NH pressure to eta field (if exactConserv).
185    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
186         and update lab_sea output.txt file.
187    o completing 3-dim. relaxation code: additional term
188         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
189      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
190      * At compile time, in "EXF_OPTIONS.h" set
191          #define  ALLOW_CLIMTEMP_RELAXATION
192          #define  ALLOW_CLIMSALT_RELAXATION
193      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
194          tauThetaClimRelax3Dim = 15552000.0,
195          tauSaltClimRelax3Dim  = 15552000.0,
196      * 3 cases:
197          1) Use a constant-in-time 3-dim. field
198          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
199          3) Real-time relax. to time-evolving prescribed field
200    o Adding Laplacian-type smoothness constraint on
201      initial and boundary (forcing) controls (ic, bc)
202      * enable at compile-time via
203        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
204      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
205      * Absolute scale somewhat unclear so far
206      * no area weighting was included since no other cost term does so far
207    
208    checkpoint57y_post
209    First step for a NLFS adjoint
210    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
211    o new init. routines for calc_r_star, calc_surf_dr
212    o still need to deal with ini_masks_etc
213    o testreport seemed happy
214    checkpoint57y_pre
215    
216    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
217    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
218    o add new offset feature to offline pkg (plus minor cleanup)
219    o cfc fixes for final year of integration
220    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
221      be in GCHEM_OPTIONS).
222    
223    checkpoint57x_post
224    o fix testreport Pb in multiple test experiment.
225    o cleanup our namelist syntax in verification:
226      - make it more F95 standards compliant (some work still needed)
227      - allows the vast majority of our tests to work with gfortran
228    o Non-Hydrostatic:
229     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
230     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
231    o Allow to apply AB on T,S rather than on AB(gT,gS):
232     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
233     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
234       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
235     - need a "clever" read_pickup to restart from the other AB formulation
236    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
237    o remove some unused variables (reduces number of compiler warnings)
238    o adjoint
239      * Disable useVariableViscosity for adjoint for time being
240        (there are a number of extensive recomputations)
241      * Initialize certain variables needed for adjoint
242    
243    checkpoint57w_post
244    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
245                 fix the singleCpuIO RS version of MDSWRITEFIELD
246       and add a WARNING if using globalFiles=T with multi-processors.
247    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
248      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
249    o tracer advection scheme:
250      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
251       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
252       was not very convenient).
253      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
254       (further tests needed for the implicit DST & Flux-Limiter schemes).
255    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
256      and sRef for convenience, handy, when you want to initialize
257      ptracers in a large domain with a constant non-zero value. Also,
258      untangle ptracers_init.F a little.
259    
260    checkpoint57v_post
261    o change dome exp. to use variable viscosity in side-drag terms.
262    o remove all the files from the cfc_offline test since they are now
263      incorporated into tutorial_cfc_offline which has been producing
264      identical results for a few days of testing
265    o add new parameter: sideDragFactor to enable half-slip-side BC
266      and change side-drag S/R to use viscosity from mom_calc_visc
267      (can switch back by setting sideDragFactor=0.); affects results at
268      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
269       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
270    o vorticity & strain are now computed without masking, to account for
271      no-slip-side BC in variable viscosity calculation ; mask is applied
272      anyway later on, before computing advection/coriolis terms.
273    o modify exp4 to test new obcs support for reading from external files
274      and for passive tracers
275    o fix behavior of ptracers_monitor when monitor output is written to a
276      netcdf-file; still not independent of monitor.F (writes in the same
277      file).
278    o change default value of tRef (put a uniform, meaningful value for ocean
279      & atmos) and initialize sRef (was missing, as Martin mentioned).
280    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
281      to be proportional to enstrophy dissipation length.  Thus,
282       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
283      This is now consistent with Smagorinsky and with the manual.
284    
285    checkpoint57u_post
286    o OBCS and PTRACERS: add open boundary support for passive tracers
287      - either use homogenous (pseudo) v.Neumann conditions or prescribe
288        OB-values from file; this is not different from the way theta and salinity
289        are treated
290      - however, Orlanski-radiation conditions are not supported, and the model
291        will stop if you use pTracers and Orlanski at the same time.
292      - beefed up the rountine obcs_external_fields_load: now only those open
293        boundary values are overwritten with values from files for which there
294        are really files, otherwise the OB-fields remain untouched. This makes
295        it possible to use different OBs at different ends of the domain (as
296        with EXF)
297    o reduce number of exch calls in shap_filt (s2).
298    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
299      truncation level) 4/5 MLAdjust test results (11&12 digits match).
300    
301    checkpoint57t_post
302    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
303    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
304      same truncation, independent of the face number: affects affects several
305      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
306    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
307      note that biharmonic viscosity + no-slip was not tested in any experiment.
308    o fix bug in non-linear free-surf side-drag ; generate new output for
309      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
310    o make mnc honor the writeBinaryPrec flag for most kinds of output
311    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
312    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
313      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
314    o add brackets in multi-terms sum to get same truncation, independent of
315      the face number (manage to get exactly same value of gU,gV at the cs-edge)
316      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
317    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
318      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
319      a maximum grid-scale Reynolds number.  Also, changes all length calculations
320      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
321      Suggested values of viscosity parameters found in mom_calc_visc.
322      Many new viscosity diagnostics available.
323    
324    checkpoint57s_post
325    o Add clearing-house for viscosity calculations, mom_calc_visc and
326      correct numerous bugs in LeithD and Smagorinsky discretizations.  
327      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
328      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
329      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
330      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
331      The Strain-Tension form is now called with useStrainTensonVisc=.true.
332      ViscAhStrain and viscAhTension are now retired.
333    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
334    o In response to JMC's bug report, genmake2 now ignores any soft-links
335      that it finds in the *current* directory when searching for files.
336      Soft-links found in any other source directories will still work as
337      they did before.
338    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
339      a C routine to unlimit the stack size
340    o mnc-ify pkg/aim snapshot vars
341    o mnc-ify pkg/land as requested by Daniel
342    o various changes to mnc including:
343      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
344      - output can now be grouped so that all files within a group
345          change the ITER portion of their names in lock-step together
346      - can now read ("global") PER-FACE (in addition to PER-TILE) files
347          and works with both EXCH1 and EXCH2 (but needs more testing)
348      - writing works for all verification test cases w/ g77 on Linux
349    
350    checkpoint57r_post
351    o make MNC variable initialization happen earlier
352    o add diagnostics for (almost) each term of the momentum Eq.
353    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
354    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
355    o remove MINIMAL_TAVE_OUTPUT option ;
356      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
357    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
358      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
359    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
360    o add time-dependent SST, SSS control
361    o cost terms in ecco/ modularized (new cost_generic.F)
362    o cost_averages routines are modularized (new cost_averagesgeneric.F)
363    o new infrastructure for seaice model vs. obs misfits in seaice/
364      * driver from the_main_loop.F is seaice_cost_driver.F
365      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
366      * gradient check in Exp. 6a of natl_box_adjoint/
367    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
368      (see README file)
369    
370    checkpoint57q_post
371    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
372    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
373      - bug was reported by Jean-Michel and Ian Fenty
374    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
375      update exp. cpl_aim+ocn output.
376    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
377      Needed for high-res. runs with large global files
378      to be able to limit tapelev size
379    o Changed some tests for adjoint:
380      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
381      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
382      * global_ocean.90x40x15/ back to default 3-level checkpointing
383    o Modifications to enable scripted COMMON to MODULE conversion
384      * verification/OpenAD/code/ has necessary scripts and description;
385      * converts, compiles and runs successfully;
386    
387    checkpoint57p_post
388    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
389    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
390      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
391    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
392    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
393      (was already the case for dissipation with mom_vecinv,
394       and also the case for grad.PhiHyd when staggered-timeStep)
395      This will allow to put dissipation out-off the AB time-stepping.
396     Unfortunately, affects truncation error. Update output of exp. that "fails"
397      (cg2d matching number) and leave the others for later: front_relax(10),
398      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
399      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
400    
401    checkpoint57o_post
402    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
403      (2) its ready to be documented during the 20050801 DocFest
404    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
405      for ideal_2D_oce and lab_sea on linux_ia32_g77
406    o set to #undef CTRL_SET_OLD_MAXCVARS_30
407      in global1x1_tot/code_seaice_adj to access indices 32, 33
408      (worth another tag)
409    
410    checkpoint57n_post
411    o adding precip control xx_precip 32
412    o adding swflux control xx_swflux 33
413    o Replacing 10 forcing penalty cost routines by 1 generic.
414    o Implementing partitioning in time-mean and variable adjustment
415      for atmos. state.
416    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
417    o in natl_box_adjoint:
418      * updated exp 1 to 10
419        (but does not have time-mean vs. variable split results yet)
420    o updated global1x1/*_seaice_adj/
421      to incorporate latest changes
422    o enable useSingleCpuIO for mdsio vector routines
423      (applies in particular to tapelev I/O)
424    o removed inefficient K-loop in all active_file*control*.F
425    
426    checkpoint57m_post
427    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
428      and advect_cs (use EXCH-2 and standard cs-32 grid files).
429    o pkg/exch2: filling of face-corner halo regions is optional
430      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
431    
432    checkpoint57l_post
433     tag before updating tutorials (pre-release-2)
434    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
435       for output and interpolation of input fields onto model grid)
436    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
437       Affects results of exp. rotating_tank ; update output.txt.
438    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
439          and taking the square quantity and/or using a fraction-weight field.
440    o fix aim_diagnostics_init.F mate numbers.
441    o add mnc output capability to diagnostics/diagstat and update
442      our cvsignore files for the ACSII output generated
443    
444    checkpoint57k_post
445    o lab_sea now uses diagnostics package and provides a suite of
446      new EXF diagnostics output.
447    
448    checkpoint57j_post
449    o exf
450      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
451        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
452        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
453      * extended diagnostics output
454        - now includes all EXF variables
455        - hs, hl moved to common block
456        - separate S/R for diagnostics, called after ctrl vector is added
457        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
458        - EXFqnet contains true Qnet (i.e. includes qsw)
459      * updated verif. lab_sea, global_with_exf
460      * Rearranging hflux (exf_mapfields -> exf_getforcing)
461        to ensure that diagnostics sees a true EXFqnet
462    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
463    o diagnostics pkg: change pointers so that 1 diagnostic can be used
464      several times with different frequencies.
465    o mnc-ify the thsice package as requested by Daniel Enderton
466      - the monitor--MNC output needs work
467      - many attributes need to be added (most are currently blank)
468    o mnc-ify theaim_v23 package as requested by Daniel Enderton
469      - many attributes need to be added (most are currently blank)
470    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
471    o add Sadourny like discretization to the 4th.O vorticity advection scheme
472    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
473      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
474         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
475    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
476     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
477    
478    checkpoint57i_post
479    o Diagnostics package was changed: diagnostic allocation is now deactivated
480      by setting an empty file name in the namelist (used to be by setting 0 frequency)
481    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
482      add 1rst Order upwind vertical Shear.
483    o add a quick fix for A/B checkpointing in OFFLINE mode
484    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
485      end-run around the C/Fortran linking horror in eesup/src/timers.F
486    o added pkg/runclock: allows user to terminate run based on wall clock
487    o added non-hydrostatic scaling parameter: nh_am2
488    o pkg/my82: futile attempt to make results compiler-independent by adding
489      some "_d 0", etc. no effect.
490    o for mnc output, fill the 'T' coordinate var with myTime and create a
491      separate 'iter' variable for iteration count
492    o pkg/diagnostics:
493      add new capability: output of Global/Regional & per-level statistics ;
494      tested against monitor output (including land & thSIce) on various exp.
495    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
496    
497    checkpoint57h_done
498      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
499      data.diagnostics, data.gchem, data.ptracers) is done.
500    
501    o pkg/diagnostics: prepare for Global/Regional statistics.
502      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
503    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
504      and rename it: DIFFERENT_MULTIPLE
505    
506    checkpoint57h_post
507    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
508    o pkg/diagnostics: change output frequency, now in seconds (instead
509      of Nb of iterations). This requires to change data.diagnostics.
510    checkpoint57h_pre
511    
512    o in mnc, let the user create the output dir if both mnc_outdir_date
513      and mnc_outdir_num are false
514    o add fflags() to pkg/diagnostics which allows one to specify, on a
515      per-file basis, the file precision [default behavior is unchanged]
516    o added diagnostics to pkg/kpp, including computation of mixed layer
517      depth based on a temperature/density criterion
518    o updated verification/natl_box to test the new pkg/kpp diagnostics
519    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
520    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
521    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
522      not mnc -- this mistake was found by JMC and is now corrected
523    
524    checkpoint57g_post
525    o add Adams-Bashforth 3rd Order time stepping:
526      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
527      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
528    checkpoint57g_pre
529    
530    o make lambda[Theta,Salt]ClimRelax spatially varying
531      (default remains spatially uniform constant based on tau)
532    o added new control variables
533      * init. uVel, vVel, etanN
534      * lambda[Theta,Salt]ClimRelax
535    o separate masks used for ctrl_pack/unpack 'from write_grid' output
536      (suggested by G. Forget)
537    
538    checkpoint57f_post
539    o add parameter "baseTime" = model base time = time at iteration zero
540      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
541      account for baseTime shift
542    o move Coriolis arrays from PARAMS.h to GRID.h
543    checkpoint57f_pre
544    
545    o mnc-ifying the seaice package
546    o introduced an alternative length scale calculation for use in the limiting
547      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
548    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
549    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
550      as well as grad(vort3).  Made it compatible with both approximate form
551      for the cubed sphere and full form of these gradients.  Added flag
552      useFullLeith to select between approximate and full form.  
553    o add "d0" in getcon.F to reduce differences between compilers/platforms
554      update output.txt of exp. fizhi-gridalt-hs
555    o change port_rand funtion to allow to set the seed.
556    o fix obscure MNC bug involving conversion between reals and integers
557      - it caused no problems with certain (eg. gcc, ifc) compilers but the
558        new version is now more standards-compliant
559    o adjoint-related modifications
560      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
561      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
562      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
563    
564    checkpoint57e_post
565    o Adding eddy stress controls a la Ferreira et al.
566    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
567    
568    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
569      update output.txt of exp. fizhi-gridalt-hs
570    o add more "Z" dimensions and associated coordinate vars to MNC
571    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
572    o parameter calendarDumps: when set, approximate months (30-31 days) and years
573      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
574      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
575      months and years.  Requires pkg/cal.
576    o diagnostics: add pickup functionality
577      - off by default for backwards compatibility
578      - current version only uses MDSIO -- MNC will be added
579    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
580    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
581    
582    checkpoint57d_post
583    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
584    o modify verification/ideal_2D_oce so that it tests the creation of mnc
585      output from the diagnostics package
586    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
587    o make genmake2 more portable by using ".$FS" instead of ".f" for more
588      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
589    o add coordinate variables to the MNC output from the diagnostics package
590    o change MNC-flags default value: true when useMNC=TRUE
591    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
592      the ability (off by default) to read the grid information using MNC
593    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
594    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
595    o do snap-shot diagnostics at the middle of the time-interval (instead of
596      at the end).
597    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
598      new test for AIM with thSIce + slab-ocean
599    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
600    o move state variable diagnostics to the beginning of the time step ;
601      (note: still needs some work specially for snap-shot diagnostics)
602      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
603    
604    checkpoint57c_post
605    o Change testing option (-ieee) to get closer agreement between g77 & ifort
606    o generate new output.txt files on faulks with g77 & the new -ieee option
607    checkpoint57c_pre
608    
609    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
610      update output.txt of exp. global_ocean.90x40x15
611    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
612      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
613    o add saltFlux(+File) forcing capability with periodicExternalForcing
614    o allow to use pkg diagnostics for GM-Redi & ThSIce output
615    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
616    o improvements for the MNC output from DIAGNOSTICS:
617      - correct handling of the unlimitied dimension
618      - all dims now have associated coordinate variables
619      - variables located at U, V, and Corner ("Z") points are now written
620        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
621        *all* data points are output
622    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
623    o added pkg/seaice/seaice_monitor.F
624    o mdsio_readfield.F can now read files visible only to master MPI process.
625    o pkg/seaice: some test code for ice-modified ocean stress
626    o exf_getffields interpolation defaults to bilinear for all scalar forcing
627      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
628      spurious negative numbers for precipitation and humidity.  Will cause
629      some small numerical differences for integrations using pkg/exf/exf_interp.F.
630    o pkg/ctrl/
631      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
632        May be enabled via doPackDiag
633      *  introduce z-scaling of
634         + gradient (doZscalePack) and
635         + control (doZscaleUnpack)
636    o pkg/mdsio/
637      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
638      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
639    
640    checkpoint57b_post
641    o simplify options in diagnostics_fill arguments (remove weird combinations)
642    o fix MNC coordinate variables so that they now contain per-face index
643      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
644      general, EXCH2 grids are only aligned to a "local" coordinate system
645    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
646    o Implement instantaneous output within pkg diagnostics:
647      setting a negative frequency in data.diagnostics produces
648     "snap-shot" output (as opposed to time-average if freq > 0)
649    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
650      NOTE: change ptracer diagnostics name: use 2 characters to work with
651            more than 9 tracers. Add also diagnostics of advect & diffus flux.
652    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
653      becomes the coordinate variable for the 'T' dimension
654    o add CF-style coordinate variables to MNC
655      - just a first cut:  numbers are meaningless on the cubesphere and
656        missing along the T axis but otherwise it works!
657    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
658    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
659    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
660      this is based directly on what the model compute, so that the content of
661      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
662    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
663    o clean up build options files for SunOS, in particular
664      - remove -traditional from xmakedepend
665      - change -xarch=v9 to -xarch=native for f77
666      - restore use of make (not gmake)
667      - add CC=gcc if using g77
668    o changes per discussion of AM, JMC, & EH3 today:
669      - move redundant "grid" variables out of "state" -- in preparation of
670        creating proper CF-style coordinate variables and in recognition
671        that any/all grid variables can be easily copied (eg. w/NCO) from
672        the grid files into any of the other NetCDF files
673      - *always* output grid variables with MDSIO (this will eventually be
674        changed)
675      - output MNC grid file if useMNC is true
676    o every instance of _END_MASTER() has been found and replaced with
677      _END_MASTER( myThid ) in order to satisfy certain picky Sun
678      preprocessors
679    o re-arrange diagnostics pkg initialisation:
680     - allow each package to extend the available diagnostics list
681     - add some checking and fix small problems (multi-threaded, ...)
682     - new S/R diagnostics_fill (replace fill_diagnostics):
683       look through the short list of active diag. (instead of the long list)
684       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
685    
686    checkpoint57a_post
687    o this set of changes restores TAMC compatibility
688      tested for global_ocean.90x40x15 adjoint on trough
689      (what a pain)
690    
691    checkpoint57a_pre
692    o some modifs in tools/build_options for sunos
693    o call ctrl_pack for ctrl at end for optimcycle=0
694    
695    checkpoint57
696    o add horizontal bi-harmonic viscosity for vertical velocity
697      - new parameter viscA4W (defaults to viscA4)
698      - affects only non-hydrostatic code
699      - to be done: no-slip lateral boundary conditions
700    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
701    o implement Implicit Vertical advection for pTracers
702    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
703      (implemented also for implicit vertical diffusion & advection)
704    o OBCS: extend application of tracer open boundary conditions
705      to a strip beyond the boundary of width Olx/Oly
706    o add call monitor to TAF set of required calls (flow directives)
707      and include in natl_box_adjoint
708    o untangle a few ifdefs related to cost, ctrl, autodiff
709      untangel a few ALLOW_ECCO_OPTIMIZATION
710    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
711      (theta2, salt2 in ecco_cost_weights)
712    
713    checkpoint56c_post
714    o OBCS as control variables
715      - update ctrl_ad_diff.list, obcs_ad_diff.list
716      - remove balance of obcs controls from default
717      - fix index bug nobcs in ctrl_init
718      - fix dummy fields filen in ctrl_pack
719      - add dummy weights for obcs
720    o lsopt: comment out fort.94 output
721    o optim:
722      - remove unnecessary header files
723      - adjusted namelists
724      - add xerbla.F to Makefile
725    o exf:
726      - multiple modifications of exf_check_range
727      - unit change in exf_init_runoff from [m/year] to [m/s]
728    o mdsio:
729      - i/o-vector change debugLevel from debLevA to debLevB
730    
731    checkpoint56b_post
732    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
733      is called from DO_THE_MODEL_IO
734      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
735      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
736      - clean up PTRACERS_WRITE_TIMEAVE a little
737    o add another verification experiment that tests both the cfc-pkg and
738      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
739      reactive tendencies treated inline with regular timestepping
740    o testreport previously did a lousy job of comparing small numbers, so
741      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
742      implemented in the little c-progam tmp_cmpnum.c which is embedded in
743      testreport.
744    o ptracers_monitor: bug fix for MPI
745    
746    checkpoint56a_post
747    o GCHEM: finish reorganizating the package
748      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
749        (introduces another 3D-array for each passive tracer, but only if
750        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
751        gchemTendency is not needed because the timestep is done separately)
752      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
753      - GCHEM is now---more or less cleanly---separate from PTRACERS
754      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
755        so clear to me how that should be done in a general way.
756    o CFC: improve formatting of output in CFC_ATMOS
757    o PTRACERS:
758      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
759        that ALL experiments with ptracers enable can be checked. This makes
760        GCHEM_MONITOR obsolete.
761      - include a runtime parameter PTRACERS_monitorFreq that defaults to
762        monitorFreq
763      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
764    o add PTRACERS (PTR0[1-5]) to testreport output
765    o exf_check_range:
766      * default changed to .TRUE.
767      * will check values for niter0 if debLevA, every timestep if debLevB
768      * STOP in exf_check_range if 'out of range'
769      * range chosen generous to allow for potential extema
770      TBD: a version with stricter range
771           permitted range would be runtime parameters
772    o GMredi:
773      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
774      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
775      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
776    o GCHEM:
777      - move call to GCHEM_FORCING_SEP, so that it is now called before
778        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
779      - introduced a useGCHEM runtime flag and applied it everywhere.
780      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
781        this flag is now only visible within GCHEM-pkg routines.
782      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
783        be replaced by a 3D array that is computed before thermodynamics; for
784        this, the tracer ID iTracer had to be included into the parameter list
785        of ptracers_forcing
786      - set up forward_step to call gchem_forcing, that will replace
787        gchem_forcing_int in ptracers_forcing
788      - cleaning up
789    o small cleaning of exch2: remove files that are also in eesupp/src
790    
791    checkpoint56
792    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
793    o mnc: cleanup "full" files--fixes out-of-memory problem
794    o ECCO-GODAE
795      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
796      * fully merged and updated from SIO code
797        windstress sign change affects
798        - exf_inscal_[u/v]stress
799        - sign of xx_tau[u/v] adjustments
800        - signs in cost_scat
801      * ctrl_get_gen: avoid update of tau[u/v] for first few days
802      * natl_box_adjoint updated and compressed
803      * 2-level checkpoint switch added
804        (tested in EXP. 1 of natl_box_adjoint)
805      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
806    o SVD
807      * first complete, non-hacked version for SVD calculations
808      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
809        performed via direct access files admtlm_vector.it????
810        (via ctrl_[un]pack)
811      * optimcycle is used for ARPACK iteration counter
812        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
813      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
814        and add linear transforms where necessary
815      * controls are initial/final SST, SSS (can be extended; need to check
816        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
817    o mdsio: filename info to both stderr, stdout
818    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
819      from sign change
820    
821    checkpoint55j_post
822    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
823      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
824    o add consistent build directories and .cvsignore files to verification
825    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
826    o make all subroutines 30 or less characters in length for certain older
827      compilers to work (a thorough search only turns up two routines in
828      pkg/ptracers)
829    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
830      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
831    
832    checkpoint55i_post
833    o change arrays for total vertical diffusivity (2.D if explicit,
834      3.D if implicit) ; each ptracer uses its own background value.
835    o added mnc/NetCDF output capability to ocn_compon_interf
836      - added bits to verification/cpl_aim+ocn so that it can run on
837        ITRDA and other clusters without the mpirun "-wd" option
838    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
839      configuration
840    o give MNC the ability to create additional files rather than
841      exceeding a specified file size limit "MNC_MAX_FILESIZE"
842      - the default is just less than 2GB which is a practical limit
843        on many systems
844    o Compute the non-local term using either KPP vertical diffusivity (=default)
845       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
846    
847    checkpoint55h_post
848    o add verification test "vermix"
849    o remove all the *_ioinc flags and replace with the single global
850      outputTypesInclusive flag
851    o allow to set a vertical profile of vertical diffusivity for T & S
852    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
853    o useMNC moved from data.mnc to data.pkg
854    
855    checkpoint55g_post
856    o Renaming carbon AD experiments to comply with testreport conventions
857    o Updating adjoint of Held-Suarez hs94.1x64x5
858    o Fixing directives for non-ECCO forward_step, after ECCO directives
859      have been fixed to avoid recomp. of do_oceanic_phys
860      Works well for global_ocean.90x40x15,
861      but recomp. issue remains for carbon
862    o Updating adjoint output for natl_box_adjoint after
863      pkg/ecco has been modified (see taga c55d_post)
864    
865    checkpoint55f_post
866    o rename to timeave_init_fixed
867    
868    checkpoint55e_post
869    o some delicate re-shuffle of store directives to avoid one
870      extra call of do_oceanic_physics
871      affects ecco_the_main_loop.F, do_oceanic_physics.F
872      checkpoint_lev1_directives.h
873    o NB: this may break global_ocean adjoint temporarily,
874      but it is clear how to fix it. Will do later, need this now.
875    
876    checkpoint55d_post
877    o ECCO specific cost function terms (up-to-date with 1x1 runs)
878    o ecco_cost_weights is modified to 1x1 runs
879    o modifs to allow observations to be read in as
880      single file or yearly files
881    o enable to read exf forcing fields as either
882      single file or yearly files (flag useExfYearlyFields)
883    checkpoint55d_pre
884    
885    o switch between 2-level and 3-level checkpointing
886    o add ability of MNC to write local and "partial" (eg. 2D slices where
887      the full 3D field is never actually stored) arrays to NetCDF files
888      with the correct (that is, the complete multi-dimensional) set of
889      array indicies
890      - used in mom_vecinv() to write the diagFreq output
891      - tested (demonstrated) in verification/aim.5l_cs
892    o further mnc-ification
893      - add verification/lab_sea to the list with mnc setups
894      - fix undefined mnc v-names in cd_code
895      - add kpp to mnc output (both snapshot and timeave)
896    o non-hydrostatic code
897      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
898        in calc_gw.F
899      - defaults to viscAh
900      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
901        friction or Leith) in non-hydrostatic mode, as long as there is
902        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
903    o pkg/cost
904      extend simple cost functions to treat time mean quantities
905      (T,U,V) via cost_accumulate_state from cost_tile
906    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
907        be 2 times larger than the minimum size the advection scheme requires.
908        now get a perfect conservation of salt in advect_cs test-exp (updated)
909    o GGL90 (Gaspar's TKE mixed layer)
910      - add horizontal diffusion of TKE, requires exchanges in
911        do_fields_blocking_exchanges, horizontal diffusivity is zero by
912        default. In OPA there is no horizontal diffusion of TKE but the
913        mixing coefficients are computed from a horizontal average of TKE of
914        6 points or so. I think that diffusion has a little more physical
915        justification.
916      - clean up ggl90_calc in the hope of reducing memory usage (this hope
917        was in vain)
918      - mask tke-variable in ggl90_init
919    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
920    o fix biharmonic diffusion on CS-grid.
921    o more obcs stuff
922      - added obcs_external_fields_load as an alternative to the EXF-pkg option
923        for reading boundary values. This routine is called from
924        obcs_prescribe_read
925      - updated obcs_check
926      - changed sponge layer relaxation parameter units for days to seconds
927      - turned off sponge layer by default
928      - changed argument list of OBCS_CALC to myTime+deltaTclock
929      - fixed about 35 bugs in obcs_external_fields_load
930    
931    checkpoint55c_post
932    o obcs stuff
933      - new runtime flags useOBCSprescribe, useOBCSbalance
934      - re-arranged obcs_calc
935      - moved exf_getobcs to obcs_prescibe_read
936        obcs_prescibe_read is called after ORLANSKI stuff
937        and independent of it (executable can contain all).
938      - updated obcs_check
939      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
940        These may be necessary only if tangential velocities are
941        prescribed at OB, not sure, needs testing.
942    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
943      which simplifies the calls and passes the ifc check-bounds test
944    
945    checkpoint55b_post
946    o add a 2D scalar, Z location, exchange_2 routine.
947    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
948      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
949      affects advect_cs results (for the wrong reason): update output.txt
950    o use a more standard discretization for biharmonic viscosity ;
951     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
952      affects results of dome set-up: update output.txt
953    o fix gad_advection.F (CubedSphere part), back to version 1.23
954    o fix bug in mom_vi_del2uv.F (CubedSphere part).
955    
956    checkpoint55a_post
957    o merged code to
958      * prescribe/read time-dependent open boundaries
959        (works in conjunction with exf, cal)
960      * sponge layer code for open boundaries
961      * each boundary N/S/E/W now has its own CPP option
962        (healthy for the adjoint)
963    
964    checkpoint55
965    o up-to-date adjoint of previous breaks
966      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
967      - global_ocean_ebm: adjoint still needs fix (TLM ok)
968      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
969      - carbon: * remove tr1-related adjoint verification
970                * add ptracer as control variable
971    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
972      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
973    
974    checkpoint54f_post
975    o in verification/carbin/ remove experiment related to
976      ALLOW_PASSIVE_TRACER (array tr1 etc)
977      code_ad/ input_ad/ results_ad
978    
979    o add two new packages
980      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
981        + subject to optimization (memory)
982      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
983        + subject to reordering (many GOTOs in the original code)
984        + so far opps is called for every (i,j) point, and then operates in
985          the vertical; one may want to reorder the scheme in order operate in
986          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
987          fields)
988    o overhaul of IO so that we now have flags for MDSIO and/or MNC
989      - all verification tests compile and run with linux_ia32_g77
990      - defaults are compatible with current input files--nothing
991        should change if you were not previously using MNC
992      - MNC output has been added in numerous places (eg. timeave)
993        but there are still a few writes not yet do-able with MNC
994        (this is in progress)
995      - flags now allow for either/or/both use of MDSIO and MNC and
996        documentation will soon follow
997      - numerous small formatting cleanups for ProTeX
998    o add version info (via BUILD_INFO.h) to MNC and stdout
999    
1000    checkpoint54e_post
1001    o add two new packages
1002      - pp81 (Packanowski and Philander, 1981), Richardson number and
1003        stratification dependent mixing
1004      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1005      - these scheme operate in a similar manner as KPP (without ghat, of
1006        course), however there is only one diffusivity that is used for both
1007        temperature and salinity (and passive tracers)ç
1008    o add offline package
1009    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1010      provided by Stephanie Dutkiewicz
1011    o genmake2: add ability to search for C compilers and cleanup test output
1012      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1013    
1014    checkpoint54d_post
1015    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1016    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1017      leading to additional shift by 5 days each year of integration
1018       (i.e. leading to considerable offset over the years)
1019    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1020    o start with no AB and no initial filtering (staggerTimeStep):
1021      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1022    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1023      (external loading & cpl import/export stay in forward_step.F)
1024    o update coupling interface to work with new staggerTimeStep
1025    o change MDSIO ptracers_pickup.
1026    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1027    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1028    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1029    
1030    checkpoint54c_post
1031    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1032      this affects (truncation error) output.txt of test-exp:
1033       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1034    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1035    o change Qnet to always be the net heat flux, (+upward).
1036      affects (truncation error) output of natl_box exp.: updated
1037    o define the max number of passive tracers in PTRACERS_SIZE.h
1038    o start to test mnc routinely in exp0
1039    o add sea-ice loading (sIceLoad) as a new forcing field.
1040    
1041    checkpoint54b_post
1042    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1043       impressive on Altix and Opteron systems)
1044    o diagnostics can now write NetCDF files through the mnc package
1045    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1046    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1047    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1048      affects (truncation error) output of lab_sea & natl_box exp.: updated
1049    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1050    
1051    checkpoint54a_post
1052    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1053    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1054    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1055    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1056      + internal_wave (shift in writing cg2d_ini_res)
1057    checkpoint54a_pre
1058    
1059    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1060      - modified verification/lab_sea and natl_box_adjoint accordingly
1061    
1062    checkpoint54
1063    checkpoint53g_post
1064    o prepare splitting of thermodynamics: store convect.counter in common block
1065    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1066      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1067    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1068    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1069    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1070    o restore adjointability
1071    
1072    checkpoint53f_post
1073    o modifications that affect AIM experiment results (update output.txt):
1074      - no advection of S at top interface Nr (pkg/generic_advdiff)
1075      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1076    o AIM pkg:
1077      - include stability function into surf.Flux derivative relative to Tsurf
1078      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1079    
1080    checkpoint53e_post
1081    o merged cylindrical coord configuration
1082    o added rotating_tank experiment
1083    checkpoint53e_pre
1084    
1085    checkpoint53d_post
1086    o faulks upgraded: re-generate output.txt that have changed:
1087       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1088    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1089    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1090    o added Sadourny discretization of Coriolis
1091      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1092      - re-enabled use of omega3 (useAbsVorticity)
1093    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1094      vector-invariant equations
1095      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1096    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1097      hopefully without new bugs
1098      - still to do: biharmonic friction for non-hydrostatic w
1099    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1100    o regenerated output for global_ocean_ebm (using -ieee)
1101    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1102      of mom_common/
1103      - simple re-arrangement of instructions within computing loop
1104    checkpoint53d_pre
1105    
1106    checkpoint53c_post
1107    o new version of coupler for AIM+thSIce and Ocean models
1108     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1109     - land: change Evaporation of snow
1110     - aim with thSIce: fix bug in snow-precip.
1111    o changes to calc_gw.F
1112     - bug fix for w^2 term near the bottom boundary
1113     - (hopefully) improve the lateral slip boundary condtions for use with
1114        partial/looped cells
1115      - because the bug fix changes two verification experiments anyway (exp5
1116        and plume on slope), change the lateral boundary condition from half slip
1117        to the value of no_slip_sides
1118    o ebm package wasnt quite up to the parallel task. Fixed that.
1119    o Adjoint of EBM package + verification
1120      * TLM OK
1121      * ADM not sufficient accuracy yet (needs further testing)
1122    
1123    checkpoint53b_post
1124    o Commiting new energy balance model to repository
1125      * package is pkg/ebm
1126      * verif. is verification/global_ocean_ebm
1127      * references are in ebm_driver.F
1128    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1129    C        Global thermohaline circulation. Part I:
1130    C        Sensitivity to atmospheric moisture transport.
1131    C        J. Climate 12(1), 71-82
1132    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1133    C        Global thermohaline circulation. Part II:
1134    C        Sensitivity with interactive transport.
1135    C        J. Climate 12(1), 83-91
1136    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1137    C        Destabilization of the thermohaline circulation
1138    C        by atmospheric eddy transports.
1139    C        J. Climate 7(12), 1870-1882
1140    o Will need long integration testing.
1141    checkpoint53b_pre
1142    
1143    o created pkg/mom_common in preparation for variable viscosity code
1144    o renamed and split ini_mnc_io
1145    o pkg/land: only liquid water can diffuse or run-off
1146    o AIM using land: soil wetness availability account for snow
1147    o added printMapIncludesZeros to EEPARMS namelist
1148    
1149    checkpoint53a_post
1150    o restore TAMC compatiility for exf_constants.h
1151      (no usage of _d in .h)
1152    o Additional storing in KPP in an attempt to fix
1153      TAMC problem with adjoint of KPP code.
1154      (no success...)
1155      Identical code works fine with TAF.
1156    o Fixed verification/natl_box_adjoint experiments.
1157      Initial conditions for Experiments 4 and 5 are now
1158      set to "SEAICE_initialHEFF=0", which is more reasonable,
1159      and hence gives results closer to that of Experiment 2.
1160      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1161    
1162    checkpoint53
1163    o stable checkpoint with up to date adjoint
1164      TLM tests only run for 1st grdchk at the moment. Its unclear if
1165      this is a code problem or a problem with resetting code for g_
1166      variables that is being autogenerated wrong.
1167      Otherwise:
1168       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1169       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1170         are both still in chaos following their security messes.
1171    
1172    checkpoint52n_post
1173    o various build (mostly genmake2) changes including:
1174      - ability to build/run more easily within Cygwin and MacOS X
1175      - more complicated Makefiles with a stronger dependence on Gnu Make
1176    o pkg/seaice modifications
1177      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1178        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1179        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1180      - changed proxy for geostrophic velocity and updated
1181        verification/lab_sea/results/* accordingly
1182      - removed ADI dynamic solver from pkg/seaice
1183      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1184        they caused a segmentation fault under certain circumstances
1185      - removed unused field WATR
1186    o bug fix in exf-package:
1187      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1188         now reflect that.
1189    o small fixes in the cal-package:
1190      - set reference date to first of January for the 'model'-calendar
1191      - failing of cal_CheckDate in cal_FullDate now actually results in a
1192        warning
1193    o small modifications in exf-package to increase flexibility:
1194      - change climtempfreeze from a constant to a runtime parameter that
1195        is specified in data.exf_clim (default = -1.9)
1196      - introduce runtime parameter windstressmax (default = 2.0) that is
1197        specified in data.exf
1198    o fix in pkg/thsice:
1199      - update Evap (Tsf changes) to be consistent with Latent heat flux
1200      - maintain snow precipitation unchanged (even if Tsf >=0).
1201     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1202    
1203    checkpoint52m_post
1204    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1205      this does not change any of the results, because myIter=0 in swfrac always
1206      lead to jwtype=2 (the default anyway), but the call makes little sense
1207      as a default
1208    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1209    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1210      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1211    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1212    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1213    o extending useSingleCpuIO option to work with new exch2 I/O format
1214      - old-style, missing-tile I/O is still accessible by defining CPP
1215        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1216    o monitor package can write to NetCDF files and/or STDOUT
1217    o fix re-definition bug in MNC_GRID_INIT_ALL()
1218    o doc/api_reference added
1219      - a framework for building an API Reference Manual using all
1220        the "protex" comments embedded in the code
1221      - see pkg/generic_advdiff, pkg/mnc for examples
1222    o MNC:
1223      - make myThid the last argument for all subroutines
1224      - new default for the grid files: NO halos
1225      - add useMNC and other run-time flags
1226      - separate per-file-group handling of the unlimited dimension
1227      - early initialization of MNC w/ flags read at the eeboot stage
1228        and lookup tables set in initialize_fixed
1229      - write all MNC output to a freshly-created directory
1230    o thermodynamics sea-ice (thsice) is now tested with testreport.
1231    o test exp. advect_cs: use the standard cs32 grid ; update output.
1232    o Added functionality to grdchk:
1233      pick global i,j,k position (or nearest wet) where to perform check.
1234    
1235    checkpoint52l_post
1236    o new land formulation:
1237      a) use ground enthalpy as prognostic variable to ensure exact
1238         energy conservation.
1239      b) account for water temperature and for latent heat of freezing
1240         in all processes (rain, run-off, ground storage)
1241      c) compute surface and ground temperature implicitly.
1242    o aim_v23 modification for new land model:
1243      a) Treat separately land / ocean / sea-ice surface fluxes
1244         to allow implicit computation of land & sea-ice surface temp.
1245      b) add snow precipitation.
1246    checkpoint52l_pre
1247    
1248    o fix problem (when 1 tile is empty) in min/max monitor.
1249    o fix bug in timeAve (u,vZetatave in common block)
1250    o no restoring terms under ice for pkg/seaice
1251    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1252    o bug fix for pkg/seaice pickups
1253    o change MNC call locations and add coordinate attributes
1254    o mask vorticity at the corner ; affects global_ocean.cs output
1255    o fix ini_curvilinear_grid ; test CS experiments with mpi
1256    o aim.5l_cs: modify sea-ice fraction input file ; update output
1257    o exf: Adding simple range check routine for exf fields after read
1258    
1259    checkpoint52k_post
1260    o removed top-level directory "diags"
1261      - we migrated these functions to pkg/timeave a long time ago
1262    o fixed bug introduced in pkg/monitor
1263    o accuracy ctrlprec = 32 insuffient for gradient checks using
1264      averaged fields (I/O via cost_averages)
1265      -> use ctrl.h in active_file*.F to control I/O precision.
1266    o paramter list of CALL ADTHE_MAIN_LOOP
1267    o added initial do_the_model_io to ecco
1268    o set all ...Freq to zero after cost_final
1269      taveFreq, dumpFreq, pChkptFreq
1270    o MAIN and ECCO differentiability restored
1271    
1272    checkpoint52j_post
1273    o fix nchklev in tamc.h for global_ocean...
1274    o Bringing flow and store directives up-to-date
1275    o Really weird thing!
1276      call do_the_model_io from the_main_loop with parameters
1277      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1278      TAF places a faulty re-call of initialise_varia
1279      after cost_final call which should not be there!
1280    checkpoint52j_pre
1281    
1282    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1283      error messages
1284    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1285    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1286      debug output
1287    o modfied mdsio_writefield.F to handle non-global files under exch2
1288    o update AIM Cubed-Sphere exp (aim.5l_cs):
1289      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1290    o update AIM Equatorial Channel exp:
1291      use standard aim_v23 pkg and change the SST fields to be more realistic.
1292    o globalFile now works with exch2
1293    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1294      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1295    o limit timeave output for hi-res integrations
1296    
1297    checkpoint52i_post
1298    o removed CPP_EEOPTIONS.h from verification/*/code
1299    o updated the tiling for global_ocean_pressure
1300    checkpoint52i_pre
1301    
1302    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1303      the old pkg/aim).
1304    
1305    checkpoint52h_pre
1306    o shortened offending lines in exch2_send_rx?.template
1307    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1308    o genmake2: add build & execute test for NetCDF code
1309    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1310      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1311    o added useSingleCPUIO flag to monitor.F and mon_out.F
1312    o added temporary hack for sea-ice dynamics on the cube:
1313      metric terms are ignored and it is assumed that
1314      there is no sea-ice on cube faces 1, 2, 4, and 5.
1315    
1316    checkpoint52f_post
1317    o added exch2 cube routines to pkg/exch2
1318    o modified hs94.cs-32x32x5 to use it
1319    o added new grid files to hs94.cs-32x32x5
1320    checkpoint52f_pre
1321    
1322    checkpoint52e_post
1323    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1324      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1325    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1326      to work with implicit vertical advection and AB ;
1327    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1328    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1329     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1330    checkpoint52e_pre
1331    
1332    o fix bug in impldiff when Nr=1 or Nr=2.
1333    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1334    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1335    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1336      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1337    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1338    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1339    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1340    
1341    checkpoint52d_post
1342    o re-tiled many expts to allow comparison in multi-processor mode
1343      - updated output accordingly
1344      - changed hs94.128x64x5 to use intial T from file rather than use the
1345        random number generator
1346    o add infrastructure in model routines for fizhi and gridalt packages
1347    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1348    o changes to permit hi-res, cubed-sphere, configuration
1349      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1350      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1351      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1352        of surface winds for the cube
1353      (A verification experiment, based on global_ocean.cs32x15, but with
1354       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1355       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1356       complete with example surface forcing files and matlab scripts to look
1357       at the output and compare it with that of global_ocean.cs32x15.)
1358    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1359       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1360       to conform to the common rule.
1361    o check-in the first version of the coupler + interfaces for multi-components
1362       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1363       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1364       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1365       - ocean and atmos. share the same horizontal grid (no interpolation).
1366       - exchanges between component and coupler is done in forward_step
1367    o new verification experiment, cpl_aim+ocn:
1368       coupled ocean - AIM atmosphere on cs32 grid.
1369    
1370    checkpoint52d_pre
1371    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1372    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1373    
1374    checkpoint52c_post
1375    o Fixing OPTIONS files for use of exf:
1376      - ALLOW_ECCO not needed
1377      - ECCO_CPPOPTIONS.h should not be included from
1378        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1379        as has been the case in the past
1380      - All cal/exf related options are currently set in
1381        single header file. Should remain so until we
1382        agree on a consistent new policy.
1383    o Removed all CPP options for cal package.
1384      cal has no more CPP options.
1385    o modified STOREs in GAD_ADVECTION
1386    o corrected key comp. for passkey
1387    
1388    checkpoint52b_post
1389    o new version: "thsice" of thermodynamic sea-ice pkg:
1390     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1391     - modify fluxes but do not change theta directly;
1392     - light cleaning of bulk_force pkg (still needed with thsice).
1393     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1394       + output_thsice.txt to test thsice & bulk_force pkgs.
1395    o put back grid & coriolis monitor output.
1396    checkpoint52b_pre
1397    
1398    o call "do_the_model_io" at the beginning (=> dump initial state)
1399    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1400    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1401      (need info on NUMBER_OF_PTRACERS)
1402    o missing PTRACERS headers in some routines
1403    o default tamc.h in pkg/autodiff supposed to crash
1404      to ensure proper customization
1405    
1406    checkpoint52a_post
1407    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1408      - moved surfaceTendencyTice from pkg/seaice to main code
1409      - subroutine FREEZE_SURFACE now limits only surface temperature
1410        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1411        => new output.txt for global_ocean.cs32x15 & global_with_exf
1412      - keep the old version of FREEZE for backward compatibility;
1413        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1414      - corresponding modifs for TAF directives
1415    o added surface flux output variables to TIMEAVE_STATVARS
1416    o time-averaged output for pkg/ptracers
1417    o fix problem with ECCO-related divided adjoint
1418      snapshot file was missing some ad-variables,
1419      but no warning issued by TAF
1420    
1421    checkpoint52a_pre
1422    o some bug fixes for #undef REAL4_IS_SLOW
1423    
1424    checkpoint52 = ecco_c52_e35
1425    o after testing adjoints of checkpoint51u_post
1426    
1427    checkpoint51u_post
1428    o this is the post-merge tag of the ecco-branch
1429      (needs another clean checkout and re-testing)
1430    o various natl_box_adjoint configs and results
1431      but no input fields
1432    o obcs adjoint not yet merged!
1433    o adding ECCO global 1x1 and 2x2 degree configs
1434    o updated/extended some store directives for seaice
1435    o pkg/ecco now containes ecco-specific part of cost function
1436    o top level routines the_main_loop, forward_step
1437      supersede those in model/src/
1438      previous input data.cost now in data.ecco
1439      (new namelist ecco_cost_nml)
1440    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1441    
1442    checkpoint51t_post
1443    o this is the pre-merge tag of the ecco-branch
1444    
1445    checkpoint51s_post
1446    o cleanup: removed various obsolete #define-s
1447    o pkg/grdchk
1448      - renamed 'ph-grd 3' to 'grad-res'
1449      - merged from ecco-branch
1450        (remaining bug fixes for obcs gradient checks)
1451      - additional high-precision output for testreport
1452        (grep for 'precision_grdchk_result')
1453    
1454    checkpoint51r_post
1455    o cleaned up or removed CPP_OPTIONS.h files
1456    o updated results for some of the tests to reflect the new
1457      optfiles (-ieee: -O0 instead of -O3)
1458    
1459    checkpoint51q_post
1460    o cd_code:
1461      - moved cd_scheme.F -> cd_code_scheme.F
1462      - separate read_checkpoint from cd_code_ini_vars.F
1463      - separated cd_code part from write_checkpoint
1464      - updated AD_SOURCE, generated .flow
1465      - added CD_CODE_VARS.h to the_main_loop
1466      - Moving cd_code specific store dir.s to pkg/cd_code
1467    o ctrl package totally restructured
1468      - pack/unpack now optional and decoupled from
1469        xx_/adxx_ I/O
1470      - ctrl_pack/unpack cleaned
1471        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1472      - confined inclusion of AD_CONFIG.h to where necessary.
1473    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1474    
1475    checkpoint51p_post
1476    o create initial cd_code package
1477      - WARNING: the initialization of fields within packages
1478        is broken because INI_FIELDS (where READ_CHECKPOINT is
1479        called) is called *before* PACKAGES_INIT_VARIABLES.
1480        This seems to be backwards since
1481        1) its important to initially zero the entire field including
1482           the "halo" region
1483        2) zeroing needs to be done *before* reading pickup info
1484           and the pickup call might or might not happen in any
1485           particular run
1486      - this needs an overhaul for R2
1487    o cleanup verification/*/code/GMREDI_OPTIONS.h
1488    o cleanup testreport
1489    
1490    checkpoint51o_post
1491    o bringing AD-related verif's up to date with genmake2
1492      - carbon/
1493      - global_ocean.90x40x15/
1494      - hs.94.1x64x5/
1495      - (front_relax/ )
1496    o (more) consistent directory structure for AD-related verif.'s
1497    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1498    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1499    o bug fix in find_alpha.F for MDJWF:
1500      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1501        change rho -> rho-rhoConst
1502      - replace call find_rho to find_rhonum
1503    o initialisation of rFlx extended to full array (required by TAF)
1504      and shifted to thermodynamics
1505    o removed PTRACERS.h in ptracers routine
1506    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1507    o Correcting initialisations for fVerU, fVerV.
1508    o helping TAF to recognize dependency on kUp for
1509      fVerU, fVerV
1510    o Replacing delZ by delR in pkg/ctrl/
1511    checkpoint51o_pre
1512    
1513    o undid all of cp51 pending some cleanups and discussion
1514    o added the [#include "AD_CONFIG.h"] statement to all files that need
1515       it for adjoint/tl #defines
1516     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1517     o removed tools/genmake since it no longer works
1518    
1519    checkpoint51n_post
1520    o modifications to make FREEZE flux visible to pkg/kpp
1521      - moved surfaceTendencyTice from pkg/seaice to main code
1522      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1523      - subroutine FREEZE now limits only surface temperature
1524        (this means new output.txt for global_ocean.90x40x15,
1525         global_ocean.cs32x15, and global_with_exf)
1526    o added surface flux output variables to TIMEAVE_STATVARS
1527    
1528    checkpoint51n_pre
1529    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1530    o added [#include "AD_CONFIG.h"] to all files that use the following
1531      defines:
1532      - ALLOW_ADJOINT_RUN
1533      - ALLOW_TANGENTLINEAR_RUN
1534      - ALLOW_ECCO_OPTIMIZATION
1535    
1536    checkpoint51m_post
1537    o incorporating changes to get TAMC/TAF working in genmake2
1538      - added new TAMC/TAF targets to the Makefile
1539      - various cleanups related to package handling
1540      - these changes should have no impact on the forward model
1541    
1542    checkpoint51l_post
1543    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1544     - faster algorithm for cal_addtime.F
1545     - higher precision arithmetic, where needed
1546     - pkg/exf *startdate variables changed from calendar date to
1547       model integration time
1548    
1549    checkpoint51l_pre
1550    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1551    o enable to apply restoring on S & T only in a latitude band.
1552    o update output (external_forcing_surf modif. change truncation errors)
1553       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1554    
1555    checkpoint51k_post
1556    o change default to: useNHMTerms=.FALSE.
1557     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1558       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1559     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1560        exp1, ideal_2D_oce
1561     - change data file of oceanic exp (leave the results unchanged for now)
1562       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1563    o set gravitySign automatically according to the vertical coordinate used
1564      (and change sign: back to "logical" value: +1 when R increases downward)
1565    o added an include barrier to the default CPP_OPTIONS.h and
1566      removed the #include "PACKAGES_CONFIG.h" from it
1567    o fix a bug in mom_fluxform (from chk51j_post)
1568    
1569    checkpoint51j_post
1570    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1571    o adjusted some flow directives (dynamics, thermodynamics)
1572    o added cubed-sphere case to test cost function
1573    o heckpoint_lev?_directives.h now include
1574      pkg-specific directives, whenever those are enabled.
1575    o Moving pkg-specific flow directives to corresponding pkg
1576      Moving pkg-specific differentiation list to corresponding pkg
1577      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1578      ---> conventions are
1579           - pkg_ad.flow
1580           - pkg_ad_diff.list
1581           - pkg_ad_check_lev?_dir.h
1582    
1583    checkpoint51i_post
1584    o merge of the branch-genmake2
1585      - knowingly breaks the older genmake
1586      - automatic generation of all ALLOW_${PKG_NAME} defines
1587      - new testreport supersedes older testscript
1588    o large number of package inclusion and header cleanups
1589    checkpoint51i_pre
1590    
1591    o new output for adjoin of global ocean vector invariant
1592    o fix for checkpoint of thermodynamic seaice and bulk_force
1593    o Steph gchem various cleanups
1594    
1595    checkpoint 51h_pre
1596    o fixed some single quotes
1597    o modify gchem pkg to be more versatile
1598    o modifications to clean up dic pkg
1599    o add pkg/cfc
1600    
1601    checkpoint51g_post
1602    o provide links for ARPACK and ADM*TLM
1603    o start removing verification/vero/
1604    o update AD-related stuff
1605      (in particular some IF-statements in model/src/ routines)
1606    o adding to verification/global_ocean.90x40x15/ adjoint of
1607      vector invariant setup
1608    
1609    checkpoint51f_post
1610    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1611  o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation  o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1612    of tracer Green's fucntions for ocean inversion project.    of tracer Green's fucntions for ocean inversion project.
1613    

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