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revision 1.163 by jmc, Thu Jun 12 21:25:24 2003 UTC revision 1.329 by jmc, Tue Jul 13 18:26:12 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o define the max number of passive tracers in PTRACERS_SIZE.h
7    o start to test mnc routinely in exp0
8    o add sea-ice loading (sIceLoad) as a new forcing field.
9    
10    checkpoint54b_post
11    o add testreport "-j JOBS" option for parallel builds (tested and pretty
12       impressive on Altix and Opteron systems)
13    o diagnostics can now write NetCDF files through the mnc package
14    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
15    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
16    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
17      affects (truncation error) output of lab_sea & natl_box exp.: updated
18    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
19    
20    checkpoint54a_post
21    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
22    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
23    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
24    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
25      + internal_wave (shift in writing cg2d_ini_res)
26    checkpoint54a_pre
27    
28    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
29      - modified verification/lab_sea and natl_box_adjoint accordingly
30    
31    checkpoint54
32    checkpoint53g_post
33    o prepare splitting of thermodynamics: store convect.counter in common block
34    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
35      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
36    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
37    o new parameter "nShapS": allow to treat differently S from T (nShapT)
38    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
39    o restore adjointability
40    
41    checkpoint53f_post
42    o modifications that affect AIM experiment results (update output.txt):
43      - no advection of S at top interface Nr (pkg/generic_advdiff)
44      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
45    o AIM pkg:
46      - include stability function into surf.Flux derivative relative to Tsurf
47      - calculate clear-sky radiation & surface temp. change (for diagnostics)
48    
49    checkpoint53e_post
50    o merged cylindrical coord configuration
51    o added rotating_tank experiment
52    checkpoint53e_pre
53    
54    checkpoint53d_post
55    o faulks upgraded: re-generate output.txt that have changed:
56       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
57    o Added Bryan and Lewis, 1979, vertical diffusivity profile
58    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
59    o added Sadourny discretization of Coriolis
60      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
61      - re-enabled use of omega3 (useAbsVorticity)
62    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
63      vector-invariant equations
64      - note: does *NOT* yet use same variable visc. for no-slip BC's.
65    o recoded the lateral boundary conditions for non-hydrostatic w, this time
66      hopefully without new bugs
67      - still to do: biharmonic friction for non-hydrostatic w
68    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
69    o regenerated output for global_ocean_ebm (using -ieee)
70    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
71      of mom_common/
72      - simple re-arrangement of instructions within computing loop
73    checkpoint53d_pre
74    
75    checkpoint53c_post
76    o new version of coupler for AIM+thSIce and Ocean models
77     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
78     - land: change Evaporation of snow
79     - aim with thSIce: fix bug in snow-precip.
80    o changes to calc_gw.F
81     - bug fix for w^2 term near the bottom boundary
82     - (hopefully) improve the lateral slip boundary condtions for use with
83        partial/looped cells
84      - because the bug fix changes two verification experiments anyway (exp5
85        and plume on slope), change the lateral boundary condition from half slip
86        to the value of no_slip_sides
87    o ebm package wasnt quite up to the parallel task. Fixed that.
88    o Adjoint of EBM package + verification
89      * TLM OK
90      * ADM not sufficient accuracy yet (needs further testing)
91    
92    checkpoint53b_post
93    o Commiting new energy balance model to repository
94      * package is pkg/ebm
95      * verif. is verification/global_ocean_ebm
96      * references are in ebm_driver.F
97    C      * X. Wang, P. Stone and J. Marotzke, 1999:
98    C        Global thermohaline circulation. Part I:
99    C        Sensitivity to atmospheric moisture transport.
100    C        J. Climate 12(1), 71-82
101    C      * X. Wang, P. Stone and J. Marotzke, 1999:
102    C        Global thermohaline circulation. Part II:
103    C        Sensitivity with interactive transport.
104    C        J. Climate 12(1), 83-91
105    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
106    C        Destabilization of the thermohaline circulation
107    C        by atmospheric eddy transports.
108    C        J. Climate 7(12), 1870-1882
109    o Will need long integration testing.
110    checkpoint53b_pre
111    
112    o created pkg/mom_common in preparation for variable viscosity code
113    o renamed and split ini_mnc_io
114    o pkg/land: only liquid water can diffuse or run-off
115    o AIM using land: soil wetness availability account for snow
116    o added printMapIncludesZeros to EEPARMS namelist
117    
118    checkpoint53a_post
119    o restore TAMC compatiility for exf_constants.h
120      (no usage of _d in .h)
121    o Additional storing in KPP in an attempt to fix
122      TAMC problem with adjoint of KPP code.
123      (no success...)
124      Identical code works fine with TAF.
125    o Fixed verification/natl_box_adjoint experiments.
126      Initial conditions for Experiments 4 and 5 are now
127      set to "SEAICE_initialHEFF=0", which is more reasonable,
128      and hence gives results closer to that of Experiment 2.
129      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
130    
131    checkpoint53
132    o stable checkpoint with up to date adjoint
133      TLM tests only run for 1st grdchk at the moment. Its unclear if
134      this is a code problem or a problem with resetting code for g_
135      variables that is being autogenerated wrong.
136      Otherwise:
137       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
138       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
139         are both still in chaos following their security messes.
140    
141    checkpoint52n_post
142    o various build (mostly genmake2) changes including:
143      - ability to build/run more easily within Cygwin and MacOS X
144      - more complicated Makefiles with a stronger dependence on Gnu Make
145    o pkg/seaice modifications
146      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
147        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
148        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
149      - changed proxy for geostrophic velocity and updated
150        verification/lab_sea/results/* accordingly
151      - removed ADI dynamic solver from pkg/seaice
152      - replaced all occurrences of 1/CSTICE or 1/CSUICE
153        they caused a segmentation fault under certain circumstances
154      - removed unused field WATR
155    o bug fix in exf-package:
156      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
157         now reflect that.
158    o small fixes in the cal-package:
159      - set reference date to first of January for the 'model'-calendar
160      - failing of cal_CheckDate in cal_FullDate now actually results in a
161        warning
162    o small modifications in exf-package to increase flexibility:
163      - change climtempfreeze from a constant to a runtime parameter that
164        is specified in data.exf_clim (default = -1.9)
165      - introduce runtime parameter windstressmax (default = 2.0) that is
166        specified in data.exf
167    o fix in pkg/thsice:
168      - update Evap (Tsf changes) to be consistent with Latent heat flux
169      - maintain snow precipitation unchanged (even if Tsf >=0).
170     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
171    
172    checkpoint52m_post
173    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
174      this does not change any of the results, because myIter=0 in swfrac always
175      lead to jwtype=2 (the default anyway), but the call makes little sense
176      as a default
177    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
178    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
179      atmospheric model (AIM) to use it ; add a "slab ocean" component.
180    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
181    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
182    o extending useSingleCpuIO option to work with new exch2 I/O format
183      - old-style, missing-tile I/O is still accessible by defining CPP
184        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
185    o monitor package can write to NetCDF files and/or STDOUT
186    o fix re-definition bug in MNC_GRID_INIT_ALL()
187    o doc/api_reference added
188      - a framework for building an API Reference Manual using all
189        the "protex" comments embedded in the code
190      - see pkg/generic_advdiff, pkg/mnc for examples
191    o MNC:
192      - make myThid the last argument for all subroutines
193      - new default for the grid files: NO halos
194      - add useMNC and other run-time flags
195      - separate per-file-group handling of the unlimited dimension
196      - early initialization of MNC w/ flags read at the eeboot stage
197        and lookup tables set in initialize_fixed
198      - write all MNC output to a freshly-created directory
199    o thermodynamics sea-ice (thsice) is now tested with testreport.
200    o test exp. advect_cs: use the standard cs32 grid ; update output.
201    o Added functionality to grdchk:
202      pick global i,j,k position (or nearest wet) where to perform check.
203    
204    checkpoint52l_post
205    o new land formulation:
206      a) use ground enthalpy as prognostic variable to ensure exact
207         energy conservation.
208      b) account for water temperature and for latent heat of freezing
209         in all processes (rain, run-off, ground storage)
210      c) compute surface and ground temperature implicitly.
211    o aim_v23 modification for new land model:
212      a) Treat separately land / ocean / sea-ice surface fluxes
213         to allow implicit computation of land & sea-ice surface temp.
214      b) add snow precipitation.
215    checkpoint52l_pre
216    
217    o fix problem (when 1 tile is empty) in min/max monitor.
218    o fix bug in timeAve (u,vZetatave in common block)
219    o no restoring terms under ice for pkg/seaice
220    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
221    o bug fix for pkg/seaice pickups
222    o change MNC call locations and add coordinate attributes
223    o mask vorticity at the corner ; affects global_ocean.cs output
224    o fix ini_curvilinear_grid ; test CS experiments with mpi
225    o aim.5l_cs: modify sea-ice fraction input file ; update output
226    o exf: Adding simple range check routine for exf fields after read
227    
228    checkpoint52k_post
229    o removed top-level directory "diags"
230      - we migrated these functions to pkg/timeave a long time ago
231    o fixed bug introduced in pkg/monitor
232    o accuracy ctrlprec = 32 insuffient for gradient checks using
233      averaged fields (I/O via cost_averages)
234      -> use ctrl.h in active_file*.F to control I/O precision.
235    o paramter list of CALL ADTHE_MAIN_LOOP
236    o added initial do_the_model_io to ecco
237    o set all ...Freq to zero after cost_final
238      taveFreq, dumpFreq, pChkptFreq
239    o MAIN and ECCO differentiability restored
240    
241    checkpoint52j_post
242    o fix nchklev in tamc.h for global_ocean...
243    o Bringing flow and store directives up-to-date
244    o Really weird thing!
245      call do_the_model_io from the_main_loop with parameters
246      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
247      TAF places a faulty re-call of initialise_varia
248      after cost_final call which should not be there!
249    checkpoint52j_pre
250    
251    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
252      error messages
253    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
254    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
255      debug output
256    o modfied mdsio_writefield.F to handle non-global files under exch2
257    o update AIM Cubed-Sphere exp (aim.5l_cs):
258      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
259    o update AIM Equatorial Channel exp:
260      use standard aim_v23 pkg and change the SST fields to be more realistic.
261    o globalFile now works with exch2
262    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
263      mon_vort3.F to make exch2 friendly with >1 tile per cube face
264    o limit timeave output for hi-res integrations
265    
266    checkpoint52i_post
267    o removed CPP_EEOPTIONS.h from verification/*/code
268    o updated the tiling for global_ocean_pressure
269    checkpoint52i_pre
270    
271    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
272      the old pkg/aim).
273    
274    checkpoint52h_pre
275    o shortened offending lines in exch2_send_rx?.template
276    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
277    o genmake2: add build & execute test for NetCDF code
278    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
279      old grid files, moved CPP_EEMACROS.h to pkg/exch2
280    o added useSingleCPUIO flag to monitor.F and mon_out.F
281    o added temporary hack for sea-ice dynamics on the cube:
282      metric terms are ignored and it is assumed that
283      there is no sea-ice on cube faces 1, 2, 4, and 5.
284    
285    checkpoint52f_post
286    o added exch2 cube routines to pkg/exch2
287    o modified hs94.cs-32x32x5 to use it
288    o added new grid files to hs94.cs-32x32x5
289    checkpoint52f_pre
290    
291    checkpoint52e_post
292    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
293      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
294    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
295      to work with implicit vertical advection and AB ;
296    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
297    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
298     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
299    checkpoint52e_pre
300    
301    o fix bug in impldiff when Nr=1 or Nr=2.
302    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
303    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
304    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
305      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
306    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
307    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
308    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
309    
310    checkpoint52d_post
311    o re-tiled many expts to allow comparison in multi-processor mode
312      - updated output accordingly
313      - changed hs94.128x64x5 to use intial T from file rather than use the
314        random number generator
315    o add infrastructure in model routines for fizhi and gridalt packages
316    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
317    o changes to permit hi-res, cubed-sphere, configuration
318      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
319      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
320      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
321        of surface winds for the cube
322      (A verification experiment, based on global_ocean.cs32x15, but with
323       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
324       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
325       complete with example surface forcing files and matlab scripts to look
326       at the output and compare it with that of global_ocean.cs32x15.)
327    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
328       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
329       to conform to the common rule.
330    o check-in the first version of the coupler + interfaces for multi-components
331       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
332       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
333       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
334       - ocean and atmos. share the same horizontal grid (no interpolation).
335       - exchanges between component and coupler is done in forward_step
336    o new verification experiment, cpl_aim+ocn:
337       coupled ocean - AIM atmosphere on cs32 grid.
338    
339    checkpoint52d_pre
340    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
341    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
342    
343    checkpoint52c_post
344    o Fixing OPTIONS files for use of exf:
345      - ALLOW_ECCO not needed
346      - ECCO_CPPOPTIONS.h should not be included from
347        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
348        as has been the case in the past
349      - All cal/exf related options are currently set in
350        single header file. Should remain so until we
351        agree on a consistent new policy.
352    o Removed all CPP options for cal package.
353      cal has no more CPP options.
354    o modified STOREs in GAD_ADVECTION
355    o corrected key comp. for passkey
356    
357    checkpoint52b_post
358    o new version: "thsice" of thermodynamic sea-ice pkg:
359     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
360     - modify fluxes but do not change theta directly;
361     - light cleaning of bulk_force pkg (still needed with thsice).
362     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
363       + output_thsice.txt to test thsice & bulk_force pkgs.
364    o put back grid & coriolis monitor output.
365    checkpoint52b_pre
366    
367    o call "do_the_model_io" at the beginning (=> dump initial state)
368    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
369    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
370      (need info on NUMBER_OF_PTRACERS)
371    o missing PTRACERS headers in some routines
372    o default tamc.h in pkg/autodiff supposed to crash
373      to ensure proper customization
374    
375    checkpoint52a_post
376    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
377      - moved surfaceTendencyTice from pkg/seaice to main code
378      - subroutine FREEZE_SURFACE now limits only surface temperature
379        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
380        => new output.txt for global_ocean.cs32x15 & global_with_exf
381      - keep the old version of FREEZE for backward compatibility;
382        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
383      - corresponding modifs for TAF directives
384    o added surface flux output variables to TIMEAVE_STATVARS
385    o time-averaged output for pkg/ptracers
386    o fix problem with ECCO-related divided adjoint
387      snapshot file was missing some ad-variables,
388      but no warning issued by TAF
389    
390    checkpoint52a_pre
391    o some bug fixes for #undef REAL4_IS_SLOW
392    
393    checkpoint52 = ecco_c52_e35
394    o after testing adjoints of checkpoint51u_post
395    
396    checkpoint51u_post
397    o this is the post-merge tag of the ecco-branch
398      (needs another clean checkout and re-testing)
399    o various natl_box_adjoint configs and results
400      but no input fields
401    o obcs adjoint not yet merged!
402    o adding ECCO global 1x1 and 2x2 degree configs
403    o updated/extended some store directives for seaice
404    o pkg/ecco now containes ecco-specific part of cost function
405    o top level routines the_main_loop, forward_step
406      supersede those in model/src/
407      previous input data.cost now in data.ecco
408      (new namelist ecco_cost_nml)
409    o in ctrl/ cleaned some cross-dependencies and updated CPP options
410    
411    checkpoint51t_post
412    o this is the pre-merge tag of the ecco-branch
413    
414    checkpoint51s_post
415    o cleanup: removed various obsolete #define-s
416    o pkg/grdchk
417      - renamed 'ph-grd 3' to 'grad-res'
418      - merged from ecco-branch
419        (remaining bug fixes for obcs gradient checks)
420      - additional high-precision output for testreport
421        (grep for 'precision_grdchk_result')
422    
423    checkpoint51r_post
424    o cleaned up or removed CPP_OPTIONS.h files
425    o updated results for some of the tests to reflect the new
426      optfiles (-ieee: -O0 instead of -O3)
427    
428    checkpoint51q_post
429    o cd_code:
430      - moved cd_scheme.F -> cd_code_scheme.F
431      - separate read_checkpoint from cd_code_ini_vars.F
432      - separated cd_code part from write_checkpoint
433      - updated AD_SOURCE, generated .flow
434      - added CD_CODE_VARS.h to the_main_loop
435      - Moving cd_code specific store dir.s to pkg/cd_code
436    o ctrl package totally restructured
437      - pack/unpack now optional and decoupled from
438        xx_/adxx_ I/O
439      - ctrl_pack/unpack cleaned
440        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
441      - confined inclusion of AD_CONFIG.h to where necessary.
442    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
443    
444    checkpoint51p_post
445    o create initial cd_code package
446      - WARNING: the initialization of fields within packages
447        is broken because INI_FIELDS (where READ_CHECKPOINT is
448        called) is called *before* PACKAGES_INIT_VARIABLES.
449        This seems to be backwards since
450        1) its important to initially zero the entire field including
451           the "halo" region
452        2) zeroing needs to be done *before* reading pickup info
453           and the pickup call might or might not happen in any
454           particular run
455      - this needs an overhaul for R2
456    o cleanup verification/*/code/GMREDI_OPTIONS.h
457    o cleanup testreport
458    
459    checkpoint51o_post
460    o bringing AD-related verif's up to date with genmake2
461      - carbon/
462      - global_ocean.90x40x15/
463      - hs.94.1x64x5/
464      - (front_relax/ )
465    o (more) consistent directory structure for AD-related verif.'s
466    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
467    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
468    o bug fix in find_alpha.F for MDJWF:
469      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
470        change rho -> rho-rhoConst
471      - replace call find_rho to find_rhonum
472    o initialisation of rFlx extended to full array (required by TAF)
473      and shifted to thermodynamics
474    o removed PTRACERS.h in ptracers routine
475    o added surfacetendencyPtr to S/R parameter list pracers_forcing
476    o Correcting initialisations for fVerU, fVerV.
477    o helping TAF to recognize dependency on kUp for
478      fVerU, fVerV
479    o Replacing delZ by delR in pkg/ctrl/
480    checkpoint51o_pre
481    
482    o undid all of cp51 pending some cleanups and discussion
483    o added the [#include "AD_CONFIG.h"] statement to all files that need
484       it for adjoint/tl #defines
485     o re-worked the build logic in genmake2 to support AD_CONFIG.h
486     o removed tools/genmake since it no longer works
487    
488    checkpoint51n_post
489    o modifications to make FREEZE flux visible to pkg/kpp
490      - moved surfaceTendencyTice from pkg/seaice to main code
491      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
492      - subroutine FREEZE now limits only surface temperature
493        (this means new output.txt for global_ocean.90x40x15,
494         global_ocean.cs32x15, and global_with_exf)
495    o added surface flux output variables to TIMEAVE_STATVARS
496    
497    checkpoint51n_pre
498    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
499    o added [#include "AD_CONFIG.h"] to all files that use the following
500      defines:
501      - ALLOW_ADJOINT_RUN
502      - ALLOW_TANGENTLINEAR_RUN
503      - ALLOW_ECCO_OPTIMIZATION
504    
505    checkpoint51m_post
506    o incorporating changes to get TAMC/TAF working in genmake2
507      - added new TAMC/TAF targets to the Makefile
508      - various cleanups related to package handling
509      - these changes should have no impact on the forward model
510    
511    checkpoint51l_post
512    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
513     - faster algorithm for cal_addtime.F
514     - higher precision arithmetic, where needed
515     - pkg/exf *startdate variables changed from calendar date to
516       model integration time
517    
518    checkpoint51l_pre
519    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
520    o enable to apply restoring on S & T only in a latitude band.
521    o update output (external_forcing_surf modif. change truncation errors)
522       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
523    
524    checkpoint51k_post
525    o change default to: useNHMTerms=.FALSE.
526     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
527       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
528     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
529        exp1, ideal_2D_oce
530     - change data file of oceanic exp (leave the results unchanged for now)
531       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
532    o set gravitySign automatically according to the vertical coordinate used
533      (and change sign: back to "logical" value: +1 when R increases downward)
534    o added an include barrier to the default CPP_OPTIONS.h and
535      removed the #include "PACKAGES_CONFIG.h" from it
536    o fix a bug in mom_fluxform (from chk51j_post)
537    
538    checkpoint51j_post
539    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
540    o adjusted some flow directives (dynamics, thermodynamics)
541    o added cubed-sphere case to test cost function
542    o heckpoint_lev?_directives.h now include
543      pkg-specific directives, whenever those are enabled.
544    o Moving pkg-specific flow directives to corresponding pkg
545      Moving pkg-specific differentiation list to corresponding pkg
546      Moving pkg-specific checkpoint-lev storing to corresponding pkg
547      ---> conventions are
548           - pkg_ad.flow
549           - pkg_ad_diff.list
550           - pkg_ad_check_lev?_dir.h
551    
552    checkpoint51i_post
553    o merge of the branch-genmake2
554      - knowingly breaks the older genmake
555      - automatic generation of all ALLOW_${PKG_NAME} defines
556      - new testreport supersedes older testscript
557    o large number of package inclusion and header cleanups
558    checkpoint51i_pre
559    
560    o new output for adjoin of global ocean vector invariant
561    o fix for checkpoint of thermodynamic seaice and bulk_force
562    o Steph gchem various cleanups
563    
564    checkpoint 51h_pre
565    o fixed some single quotes
566    o modify gchem pkg to be more versatile
567    o modifications to clean up dic pkg
568    o add pkg/cfc
569    
570    checkpoint51g_post
571    o provide links for ARPACK and ADM*TLM
572    o start removing verification/vero/
573    o update AD-related stuff
574      (in particular some IF-statements in model/src/ routines)
575    o adding to verification/global_ocean.90x40x15/ adjoint of
576      vector invariant setup
577    
578    checkpoint51f_post
579    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
580    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
581      of tracer Green's fucntions for ocean inversion project.
582    
583    checkpoint51f_pre
584    o Added on-the-fly spatial interpolation capability
585        "USE_EXF_INTERPOLATION" to pkg/exf.
586      - This is a temporary Cartesian-grid hack until
587        the super-duper ESMF coupler becomes available.
588      - See verification/global_with_exf/README for usage example.
589      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
590        flags and modified pkg/seaice accordingly.
591    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
592        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
593        non-local transport term.
594    
595    checkpoint51e_post
596    o pkg/mom_vecinv:
597      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
598      - add time-ave diagnostic of vorticity advection.
599    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
600    o atmospheric geopotential: - include water vapor effect;
601                                - use p^kappa in p* scaling.
602    o land pkg: read initial state from files.
603    o AIM : add stratospheric drag in the upper level
604    
605    checkpoint51d_post
606    o change function ILNBLNK (=> last non-blank char.) to return zero
607      (instead of the string length) when the string. char is empty
608    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
609    o modif's to restore TAMC compatibility
610      - avoid "_d" constructs in PARAMETER declarations
611      - avoid interrupting lines by comment lines
612    o Use cluster local disks for purely local I/O
613      vs. globally visible disks needed for ctrl stuff
614      (merged from ecco-branch)
615      - new active_file_loc... and mdsio_..._loc routines
616      - affected packages: autodiff, ctrl, grdchk, mdsio
617    
618    checkpoint51c_post
619    o introducing integer flag debugLevel
620      - debLevZero: suppress all output
621      - debLevA: standard
622      - debLevB: equivalent to current debugMode=.TRUE.
623    o introducing pathname variable mdsioLocalDir for mdsio
624      that can be specified at runtime
625      (relevant for cluster I/O to local disk)
626    `
627    >>>checkpoint51b_post
628    adjoint of ptracers
629    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
630    o extended state in checkpoint_lev?, etc.
631    o alternative ctrl/cost with tr1 or ptracer
632    o new comlev1_bibj_ptracers
633    o new ptracers.flow
634    o made ptracers_forcing same as external_forcing_s
635    o added verification for adjoint with ptracers
636      - adm. grdchk fail so far
637      - tlm. grdchk OK
638      - checked tapelev/comlev recomputations: OK
639    <<<checkpoint51b_pre
640    
641    checkpoint51a_post
642    o added code for biogeochemistry package
643      - new pkgs: dic, gchem
644      - new subroutine in ptracers
645    o modify code for biogeo packages
646      - in model/src and pkg/ptracers
647    
648    checkpoint51
649    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
650      - autodiff, ctrl, exf, grdchk, seaice
651      kept separate packages
652      - cost, ecco, obcs
653    o updating verification/internal_wave, verification/lab_sea
654      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
655    
656    checkpoint50i_post
657    o Preparing next differentiable checkpoint and sync
658      of MAIN vs. ecco-branch
659      - 1st step: this one is differentiable
660      - 2nd step: next(! not this) checkpoint will have updated packages
661                  from ecco-branch)
662    
663    checkpoint50h_post
664  o new package "land": provide surface BC for AIM.  o new package "land": provide surface BC for AIM.
665  o pkg/ptracers: apply exchange to all tracers after reading a pickup.  o pkg/ptracers: apply exchange to all tracers after reading a pickup.
666  o AIM: use true log-P extrapolation for near surface temp (= as in  o AIM: use true log-P extrapolation for near surface temp (= as in
667      F.Molteni paper) ; update aim.5l_cs output.      F.Molteni paper) ; update aim.5l_cs output.
668  o New variable in PARM03 for more flexible pickups  o New variable in PARM03 for more flexible pickups
669    o somewhat cleaned package initialisation sequence for
670      ctrl/ cost/ ecco/ in packages_... routines
671    
672  checkpoint50g_post  checkpoint50g_post
673  o merged with release1_p17 (pkg/seaice and verification/lab_sea)  o merged with release1_p17 (pkg/seaice and verification/lab_sea)

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