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revision 1.95 by adcroft, Tue Nov 5 19:14:26 2002 UTC revision 1.331 by jmc, Sun Jul 18 01:57:02 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 replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
7      this affects (truncation error) output.txt of test-exp:
8       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
9    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
10    o change Qnet to always be the net heat flux, (+upward).
11      affects (truncation error) output of natl_box exp.: updated
12    o define the max number of passive tracers in PTRACERS_SIZE.h
13    o start to test mnc routinely in exp0
14    o add sea-ice loading (sIceLoad) as a new forcing field.
15    
16    checkpoint54b_post
17    o add testreport "-j JOBS" option for parallel builds (tested and pretty
18       impressive on Altix and Opteron systems)
19    o diagnostics can now write NetCDF files through the mnc package
20    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
21    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
22    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
23      affects (truncation error) output of lab_sea & natl_box exp.: updated
24    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
25    
26    checkpoint54a_post
27    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
28    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
29    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
30    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
31      + internal_wave (shift in writing cg2d_ini_res)
32    checkpoint54a_pre
33    
34    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
35      - modified verification/lab_sea and natl_box_adjoint accordingly
36    
37    checkpoint54
38    checkpoint53g_post
39    o prepare splitting of thermodynamics: store convect.counter in common block
40    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
41      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
42    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
43    o new parameter "nShapS": allow to treat differently S from T (nShapT)
44    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
45    o restore adjointability
46    
47    checkpoint53f_post
48    o modifications that affect AIM experiment results (update output.txt):
49      - no advection of S at top interface Nr (pkg/generic_advdiff)
50      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
51    o AIM pkg:
52      - include stability function into surf.Flux derivative relative to Tsurf
53      - calculate clear-sky radiation & surface temp. change (for diagnostics)
54    
55    checkpoint53e_post
56    o merged cylindrical coord configuration
57    o added rotating_tank experiment
58    checkpoint53e_pre
59    
60    checkpoint53d_post
61    o faulks upgraded: re-generate output.txt that have changed:
62       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
63    o Added Bryan and Lewis, 1979, vertical diffusivity profile
64    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
65    o added Sadourny discretization of Coriolis
66      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
67      - re-enabled use of omega3 (useAbsVorticity)
68    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
69      vector-invariant equations
70      - note: does *NOT* yet use same variable visc. for no-slip BC's.
71    o recoded the lateral boundary conditions for non-hydrostatic w, this time
72      hopefully without new bugs
73      - still to do: biharmonic friction for non-hydrostatic w
74    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
75    o regenerated output for global_ocean_ebm (using -ieee)
76    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
77      of mom_common/
78      - simple re-arrangement of instructions within computing loop
79    checkpoint53d_pre
80    
81    checkpoint53c_post
82    o new version of coupler for AIM+thSIce and Ocean models
83     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
84     - land: change Evaporation of snow
85     - aim with thSIce: fix bug in snow-precip.
86    o changes to calc_gw.F
87     - bug fix for w^2 term near the bottom boundary
88     - (hopefully) improve the lateral slip boundary condtions for use with
89        partial/looped cells
90      - because the bug fix changes two verification experiments anyway (exp5
91        and plume on slope), change the lateral boundary condition from half slip
92        to the value of no_slip_sides
93    o ebm package wasnt quite up to the parallel task. Fixed that.
94    o Adjoint of EBM package + verification
95      * TLM OK
96      * ADM not sufficient accuracy yet (needs further testing)
97    
98    checkpoint53b_post
99    o Commiting new energy balance model to repository
100      * package is pkg/ebm
101      * verif. is verification/global_ocean_ebm
102      * references are in ebm_driver.F
103    C      * X. Wang, P. Stone and J. Marotzke, 1999:
104    C        Global thermohaline circulation. Part I:
105    C        Sensitivity to atmospheric moisture transport.
106    C        J. Climate 12(1), 71-82
107    C      * X. Wang, P. Stone and J. Marotzke, 1999:
108    C        Global thermohaline circulation. Part II:
109    C        Sensitivity with interactive transport.
110    C        J. Climate 12(1), 83-91
111    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
112    C        Destabilization of the thermohaline circulation
113    C        by atmospheric eddy transports.
114    C        J. Climate 7(12), 1870-1882
115    o Will need long integration testing.
116    checkpoint53b_pre
117    
118    o created pkg/mom_common in preparation for variable viscosity code
119    o renamed and split ini_mnc_io
120    o pkg/land: only liquid water can diffuse or run-off
121    o AIM using land: soil wetness availability account for snow
122    o added printMapIncludesZeros to EEPARMS namelist
123    
124    checkpoint53a_post
125    o restore TAMC compatiility for exf_constants.h
126      (no usage of _d in .h)
127    o Additional storing in KPP in an attempt to fix
128      TAMC problem with adjoint of KPP code.
129      (no success...)
130      Identical code works fine with TAF.
131    o Fixed verification/natl_box_adjoint experiments.
132      Initial conditions for Experiments 4 and 5 are now
133      set to "SEAICE_initialHEFF=0", which is more reasonable,
134      and hence gives results closer to that of Experiment 2.
135      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
136    
137    checkpoint53
138    o stable checkpoint with up to date adjoint
139      TLM tests only run for 1st grdchk at the moment. Its unclear if
140      this is a code problem or a problem with resetting code for g_
141      variables that is being autogenerated wrong.
142      Otherwise:
143       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
144       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
145         are both still in chaos following their security messes.
146    
147    checkpoint52n_post
148    o various build (mostly genmake2) changes including:
149      - ability to build/run more easily within Cygwin and MacOS X
150      - more complicated Makefiles with a stronger dependence on Gnu Make
151    o pkg/seaice modifications
152      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
153        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
154        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
155      - changed proxy for geostrophic velocity and updated
156        verification/lab_sea/results/* accordingly
157      - removed ADI dynamic solver from pkg/seaice
158      - replaced all occurrences of 1/CSTICE or 1/CSUICE
159        they caused a segmentation fault under certain circumstances
160      - removed unused field WATR
161    o bug fix in exf-package:
162      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
163         now reflect that.
164    o small fixes in the cal-package:
165      - set reference date to first of January for the 'model'-calendar
166      - failing of cal_CheckDate in cal_FullDate now actually results in a
167        warning
168    o small modifications in exf-package to increase flexibility:
169      - change climtempfreeze from a constant to a runtime parameter that
170        is specified in data.exf_clim (default = -1.9)
171      - introduce runtime parameter windstressmax (default = 2.0) that is
172        specified in data.exf
173    o fix in pkg/thsice:
174      - update Evap (Tsf changes) to be consistent with Latent heat flux
175      - maintain snow precipitation unchanged (even if Tsf >=0).
176     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
177    
178    checkpoint52m_post
179    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
180      this does not change any of the results, because myIter=0 in swfrac always
181      lead to jwtype=2 (the default anyway), but the call makes little sense
182      as a default
183    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
184    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
185      atmospheric model (AIM) to use it ; add a "slab ocean" component.
186    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
187    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
188    o extending useSingleCpuIO option to work with new exch2 I/O format
189      - old-style, missing-tile I/O is still accessible by defining CPP
190        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
191    o monitor package can write to NetCDF files and/or STDOUT
192    o fix re-definition bug in MNC_GRID_INIT_ALL()
193    o doc/api_reference added
194      - a framework for building an API Reference Manual using all
195        the "protex" comments embedded in the code
196      - see pkg/generic_advdiff, pkg/mnc for examples
197    o MNC:
198      - make myThid the last argument for all subroutines
199      - new default for the grid files: NO halos
200      - add useMNC and other run-time flags
201      - separate per-file-group handling of the unlimited dimension
202      - early initialization of MNC w/ flags read at the eeboot stage
203        and lookup tables set in initialize_fixed
204      - write all MNC output to a freshly-created directory
205    o thermodynamics sea-ice (thsice) is now tested with testreport.
206    o test exp. advect_cs: use the standard cs32 grid ; update output.
207    o Added functionality to grdchk:
208      pick global i,j,k position (or nearest wet) where to perform check.
209    
210    checkpoint52l_post
211    o new land formulation:
212      a) use ground enthalpy as prognostic variable to ensure exact
213         energy conservation.
214      b) account for water temperature and for latent heat of freezing
215         in all processes (rain, run-off, ground storage)
216      c) compute surface and ground temperature implicitly.
217    o aim_v23 modification for new land model:
218      a) Treat separately land / ocean / sea-ice surface fluxes
219         to allow implicit computation of land & sea-ice surface temp.
220      b) add snow precipitation.
221    checkpoint52l_pre
222    
223    o fix problem (when 1 tile is empty) in min/max monitor.
224    o fix bug in timeAve (u,vZetatave in common block)
225    o no restoring terms under ice for pkg/seaice
226    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
227    o bug fix for pkg/seaice pickups
228    o change MNC call locations and add coordinate attributes
229    o mask vorticity at the corner ; affects global_ocean.cs output
230    o fix ini_curvilinear_grid ; test CS experiments with mpi
231    o aim.5l_cs: modify sea-ice fraction input file ; update output
232    o exf: Adding simple range check routine for exf fields after read
233    
234    checkpoint52k_post
235    o removed top-level directory "diags"
236      - we migrated these functions to pkg/timeave a long time ago
237    o fixed bug introduced in pkg/monitor
238    o accuracy ctrlprec = 32 insuffient for gradient checks using
239      averaged fields (I/O via cost_averages)
240      -> use ctrl.h in active_file*.F to control I/O precision.
241    o paramter list of CALL ADTHE_MAIN_LOOP
242    o added initial do_the_model_io to ecco
243    o set all ...Freq to zero after cost_final
244      taveFreq, dumpFreq, pChkptFreq
245    o MAIN and ECCO differentiability restored
246    
247    checkpoint52j_post
248    o fix nchklev in tamc.h for global_ocean...
249    o Bringing flow and store directives up-to-date
250    o Really weird thing!
251      call do_the_model_io from the_main_loop with parameters
252      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
253      TAF places a faulty re-call of initialise_varia
254      after cost_final call which should not be there!
255    checkpoint52j_pre
256    
257    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
258      error messages
259    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
260    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
261      debug output
262    o modfied mdsio_writefield.F to handle non-global files under exch2
263    o update AIM Cubed-Sphere exp (aim.5l_cs):
264      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
265    o update AIM Equatorial Channel exp:
266      use standard aim_v23 pkg and change the SST fields to be more realistic.
267    o globalFile now works with exch2
268    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
269      mon_vort3.F to make exch2 friendly with >1 tile per cube face
270    o limit timeave output for hi-res integrations
271    
272    checkpoint52i_post
273    o removed CPP_EEOPTIONS.h from verification/*/code
274    o updated the tiling for global_ocean_pressure
275    checkpoint52i_pre
276    
277    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
278      the old pkg/aim).
279    
280    checkpoint52h_pre
281    o shortened offending lines in exch2_send_rx?.template
282    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
283    o genmake2: add build & execute test for NetCDF code
284    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
285      old grid files, moved CPP_EEMACROS.h to pkg/exch2
286    o added useSingleCPUIO flag to monitor.F and mon_out.F
287    o added temporary hack for sea-ice dynamics on the cube:
288      metric terms are ignored and it is assumed that
289      there is no sea-ice on cube faces 1, 2, 4, and 5.
290    
291    checkpoint52f_post
292    o added exch2 cube routines to pkg/exch2
293    o modified hs94.cs-32x32x5 to use it
294    o added new grid files to hs94.cs-32x32x5
295    checkpoint52f_pre
296    
297    checkpoint52e_post
298    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
299      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
300    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
301      to work with implicit vertical advection and AB ;
302    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
303    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
304     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
305    checkpoint52e_pre
306    
307    o fix bug in impldiff when Nr=1 or Nr=2.
308    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
309    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
310    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
311      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
312    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
313    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
314    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
315    
316    checkpoint52d_post
317    o re-tiled many expts to allow comparison in multi-processor mode
318      - updated output accordingly
319      - changed hs94.128x64x5 to use intial T from file rather than use the
320        random number generator
321    o add infrastructure in model routines for fizhi and gridalt packages
322    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
323    o changes to permit hi-res, cubed-sphere, configuration
324      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
325      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
326      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
327        of surface winds for the cube
328      (A verification experiment, based on global_ocean.cs32x15, but with
329       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
330       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
331       complete with example surface forcing files and matlab scripts to look
332       at the output and compare it with that of global_ocean.cs32x15.)
333    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
334       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
335       to conform to the common rule.
336    o check-in the first version of the coupler + interfaces for multi-components
337       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
338       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
339       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
340       - ocean and atmos. share the same horizontal grid (no interpolation).
341       - exchanges between component and coupler is done in forward_step
342    o new verification experiment, cpl_aim+ocn:
343       coupled ocean - AIM atmosphere on cs32 grid.
344    
345    checkpoint52d_pre
346    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
347    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
348    
349    checkpoint52c_post
350    o Fixing OPTIONS files for use of exf:
351      - ALLOW_ECCO not needed
352      - ECCO_CPPOPTIONS.h should not be included from
353        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
354        as has been the case in the past
355      - All cal/exf related options are currently set in
356        single header file. Should remain so until we
357        agree on a consistent new policy.
358    o Removed all CPP options for cal package.
359      cal has no more CPP options.
360    o modified STOREs in GAD_ADVECTION
361    o corrected key comp. for passkey
362    
363    checkpoint52b_post
364    o new version: "thsice" of thermodynamic sea-ice pkg:
365     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
366     - modify fluxes but do not change theta directly;
367     - light cleaning of bulk_force pkg (still needed with thsice).
368     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
369       + output_thsice.txt to test thsice & bulk_force pkgs.
370    o put back grid & coriolis monitor output.
371    checkpoint52b_pre
372    
373    o call "do_the_model_io" at the beginning (=> dump initial state)
374    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
375    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
376      (need info on NUMBER_OF_PTRACERS)
377    o missing PTRACERS headers in some routines
378    o default tamc.h in pkg/autodiff supposed to crash
379      to ensure proper customization
380    
381    checkpoint52a_post
382    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
383      - moved surfaceTendencyTice from pkg/seaice to main code
384      - subroutine FREEZE_SURFACE now limits only surface temperature
385        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
386        => new output.txt for global_ocean.cs32x15 & global_with_exf
387      - keep the old version of FREEZE for backward compatibility;
388        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
389      - corresponding modifs for TAF directives
390    o added surface flux output variables to TIMEAVE_STATVARS
391    o time-averaged output for pkg/ptracers
392    o fix problem with ECCO-related divided adjoint
393      snapshot file was missing some ad-variables,
394      but no warning issued by TAF
395    
396    checkpoint52a_pre
397    o some bug fixes for #undef REAL4_IS_SLOW
398    
399    checkpoint52 = ecco_c52_e35
400    o after testing adjoints of checkpoint51u_post
401    
402    checkpoint51u_post
403    o this is the post-merge tag of the ecco-branch
404      (needs another clean checkout and re-testing)
405    o various natl_box_adjoint configs and results
406      but no input fields
407    o obcs adjoint not yet merged!
408    o adding ECCO global 1x1 and 2x2 degree configs
409    o updated/extended some store directives for seaice
410    o pkg/ecco now containes ecco-specific part of cost function
411    o top level routines the_main_loop, forward_step
412      supersede those in model/src/
413      previous input data.cost now in data.ecco
414      (new namelist ecco_cost_nml)
415    o in ctrl/ cleaned some cross-dependencies and updated CPP options
416    
417    checkpoint51t_post
418    o this is the pre-merge tag of the ecco-branch
419    
420    checkpoint51s_post
421    o cleanup: removed various obsolete #define-s
422    o pkg/grdchk
423      - renamed 'ph-grd 3' to 'grad-res'
424      - merged from ecco-branch
425        (remaining bug fixes for obcs gradient checks)
426      - additional high-precision output for testreport
427        (grep for 'precision_grdchk_result')
428    
429    checkpoint51r_post
430    o cleaned up or removed CPP_OPTIONS.h files
431    o updated results for some of the tests to reflect the new
432      optfiles (-ieee: -O0 instead of -O3)
433    
434    checkpoint51q_post
435    o cd_code:
436      - moved cd_scheme.F -> cd_code_scheme.F
437      - separate read_checkpoint from cd_code_ini_vars.F
438      - separated cd_code part from write_checkpoint
439      - updated AD_SOURCE, generated .flow
440      - added CD_CODE_VARS.h to the_main_loop
441      - Moving cd_code specific store dir.s to pkg/cd_code
442    o ctrl package totally restructured
443      - pack/unpack now optional and decoupled from
444        xx_/adxx_ I/O
445      - ctrl_pack/unpack cleaned
446        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
447      - confined inclusion of AD_CONFIG.h to where necessary.
448    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
449    
450    checkpoint51p_post
451    o create initial cd_code package
452      - WARNING: the initialization of fields within packages
453        is broken because INI_FIELDS (where READ_CHECKPOINT is
454        called) is called *before* PACKAGES_INIT_VARIABLES.
455        This seems to be backwards since
456        1) its important to initially zero the entire field including
457           the "halo" region
458        2) zeroing needs to be done *before* reading pickup info
459           and the pickup call might or might not happen in any
460           particular run
461      - this needs an overhaul for R2
462    o cleanup verification/*/code/GMREDI_OPTIONS.h
463    o cleanup testreport
464    
465    checkpoint51o_post
466    o bringing AD-related verif's up to date with genmake2
467      - carbon/
468      - global_ocean.90x40x15/
469      - hs.94.1x64x5/
470      - (front_relax/ )
471    o (more) consistent directory structure for AD-related verif.'s
472    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
473    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
474    o bug fix in find_alpha.F for MDJWF:
475      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
476        change rho -> rho-rhoConst
477      - replace call find_rho to find_rhonum
478    o initialisation of rFlx extended to full array (required by TAF)
479      and shifted to thermodynamics
480    o removed PTRACERS.h in ptracers routine
481    o added surfacetendencyPtr to S/R parameter list pracers_forcing
482    o Correcting initialisations for fVerU, fVerV.
483    o helping TAF to recognize dependency on kUp for
484      fVerU, fVerV
485    o Replacing delZ by delR in pkg/ctrl/
486    checkpoint51o_pre
487    
488    o undid all of cp51 pending some cleanups and discussion
489    o added the [#include "AD_CONFIG.h"] statement to all files that need
490       it for adjoint/tl #defines
491     o re-worked the build logic in genmake2 to support AD_CONFIG.h
492     o removed tools/genmake since it no longer works
493    
494    checkpoint51n_post
495    o modifications to make FREEZE flux visible to pkg/kpp
496      - moved surfaceTendencyTice from pkg/seaice to main code
497      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
498      - subroutine FREEZE now limits only surface temperature
499        (this means new output.txt for global_ocean.90x40x15,
500         global_ocean.cs32x15, and global_with_exf)
501    o added surface flux output variables to TIMEAVE_STATVARS
502    
503    checkpoint51n_pre
504    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
505    o added [#include "AD_CONFIG.h"] to all files that use the following
506      defines:
507      - ALLOW_ADJOINT_RUN
508      - ALLOW_TANGENTLINEAR_RUN
509      - ALLOW_ECCO_OPTIMIZATION
510    
511    checkpoint51m_post
512    o incorporating changes to get TAMC/TAF working in genmake2
513      - added new TAMC/TAF targets to the Makefile
514      - various cleanups related to package handling
515      - these changes should have no impact on the forward model
516    
517    checkpoint51l_post
518    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
519     - faster algorithm for cal_addtime.F
520     - higher precision arithmetic, where needed
521     - pkg/exf *startdate variables changed from calendar date to
522       model integration time
523    
524    checkpoint51l_pre
525    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
526    o enable to apply restoring on S & T only in a latitude band.
527    o update output (external_forcing_surf modif. change truncation errors)
528       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
529    
530    checkpoint51k_post
531    o change default to: useNHMTerms=.FALSE.
532     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
533       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
534     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
535        exp1, ideal_2D_oce
536     - change data file of oceanic exp (leave the results unchanged for now)
537       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
538    o set gravitySign automatically according to the vertical coordinate used
539      (and change sign: back to "logical" value: +1 when R increases downward)
540    o added an include barrier to the default CPP_OPTIONS.h and
541      removed the #include "PACKAGES_CONFIG.h" from it
542    o fix a bug in mom_fluxform (from chk51j_post)
543    
544    checkpoint51j_post
545    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
546    o adjusted some flow directives (dynamics, thermodynamics)
547    o added cubed-sphere case to test cost function
548    o heckpoint_lev?_directives.h now include
549      pkg-specific directives, whenever those are enabled.
550    o Moving pkg-specific flow directives to corresponding pkg
551      Moving pkg-specific differentiation list to corresponding pkg
552      Moving pkg-specific checkpoint-lev storing to corresponding pkg
553      ---> conventions are
554           - pkg_ad.flow
555           - pkg_ad_diff.list
556           - pkg_ad_check_lev?_dir.h
557    
558    checkpoint51i_post
559    o merge of the branch-genmake2
560      - knowingly breaks the older genmake
561      - automatic generation of all ALLOW_${PKG_NAME} defines
562      - new testreport supersedes older testscript
563    o large number of package inclusion and header cleanups
564    checkpoint51i_pre
565    
566    o new output for adjoin of global ocean vector invariant
567    o fix for checkpoint of thermodynamic seaice and bulk_force
568    o Steph gchem various cleanups
569    
570    checkpoint 51h_pre
571    o fixed some single quotes
572    o modify gchem pkg to be more versatile
573    o modifications to clean up dic pkg
574    o add pkg/cfc
575    
576    checkpoint51g_post
577    o provide links for ARPACK and ADM*TLM
578    o start removing verification/vero/
579    o update AD-related stuff
580      (in particular some IF-statements in model/src/ routines)
581    o adding to verification/global_ocean.90x40x15/ adjoint of
582      vector invariant setup
583    
584    checkpoint51f_post
585    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
586    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
587      of tracer Green's fucntions for ocean inversion project.
588    
589    checkpoint51f_pre
590    o Added on-the-fly spatial interpolation capability
591        "USE_EXF_INTERPOLATION" to pkg/exf.
592      - This is a temporary Cartesian-grid hack until
593        the super-duper ESMF coupler becomes available.
594      - See verification/global_with_exf/README for usage example.
595      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
596        flags and modified pkg/seaice accordingly.
597    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
598        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
599        non-local transport term.
600    
601    checkpoint51e_post
602    o pkg/mom_vecinv:
603      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
604      - add time-ave diagnostic of vorticity advection.
605    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
606    o atmospheric geopotential: - include water vapor effect;
607                                - use p^kappa in p* scaling.
608    o land pkg: read initial state from files.
609    o AIM : add stratospheric drag in the upper level
610    
611    checkpoint51d_post
612    o change function ILNBLNK (=> last non-blank char.) to return zero
613      (instead of the string length) when the string. char is empty
614    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
615    o modif's to restore TAMC compatibility
616      - avoid "_d" constructs in PARAMETER declarations
617      - avoid interrupting lines by comment lines
618    o Use cluster local disks for purely local I/O
619      vs. globally visible disks needed for ctrl stuff
620      (merged from ecco-branch)
621      - new active_file_loc... and mdsio_..._loc routines
622      - affected packages: autodiff, ctrl, grdchk, mdsio
623    
624    checkpoint51c_post
625    o introducing integer flag debugLevel
626      - debLevZero: suppress all output
627      - debLevA: standard
628      - debLevB: equivalent to current debugMode=.TRUE.
629    o introducing pathname variable mdsioLocalDir for mdsio
630      that can be specified at runtime
631      (relevant for cluster I/O to local disk)
632    `
633    >>>checkpoint51b_post
634    adjoint of ptracers
635    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
636    o extended state in checkpoint_lev?, etc.
637    o alternative ctrl/cost with tr1 or ptracer
638    o new comlev1_bibj_ptracers
639    o new ptracers.flow
640    o made ptracers_forcing same as external_forcing_s
641    o added verification for adjoint with ptracers
642      - adm. grdchk fail so far
643      - tlm. grdchk OK
644      - checked tapelev/comlev recomputations: OK
645    <<<checkpoint51b_pre
646    
647    checkpoint51a_post
648    o added code for biogeochemistry package
649      - new pkgs: dic, gchem
650      - new subroutine in ptracers
651    o modify code for biogeo packages
652      - in model/src and pkg/ptracers
653    
654    checkpoint51
655    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
656      - autodiff, ctrl, exf, grdchk, seaice
657      kept separate packages
658      - cost, ecco, obcs
659    o updating verification/internal_wave, verification/lab_sea
660      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
661    
662    checkpoint50i_post
663    o Preparing next differentiable checkpoint and sync
664      of MAIN vs. ecco-branch
665      - 1st step: this one is differentiable
666      - 2nd step: next(! not this) checkpoint will have updated packages
667                  from ecco-branch)
668    
669    checkpoint50h_post
670    o new package "land": provide surface BC for AIM.
671    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
672    o AIM: use true log-P extrapolation for near surface temp (= as in
673        F.Molteni paper) ; update aim.5l_cs output.
674    o New variable in PARM03 for more flexible pickups
675    o somewhat cleaned package initialisation sequence for
676      ctrl/ cost/ ecco/ in packages_... routines
677    
678    checkpoint50g_post
679    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
680      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
681      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
682        made the default because of faster convergence than ADI
683    
684    checkpoint50f_post
685    o exf totally restructured
686      - replaced all exf_set_ routines by one generic exf_set_gen.F
687        and made sure it's still differentiable
688      - split exf_getffields.F into new exf_bulkformulae.F
689      - exf_inscal_/exf_outscal_ suffixes consistent with field names
690      - updated adjoint/makefile and relevant verif. accordingly
691    
692    checkpoint50f_pre
693     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
694          + change Evap over land. (update aim.5l_cs output)
695     o added missing .cvsignores and made uniform across expts
696     o changed configuration of tidal_basin_2d expt
697     o added pkg/debug functions for tracing code in fatal crashes
698     o tidied pkg/monitor to use MONITOR_OPTIONS.h
699     o new fn in pkg/monitor to stop model if solution grows too big
700     o removed lots of single quotes from comments
701    
702    checkpoint50e_post
703    o make KPP work with PTRACERS
704     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
705       nearly a copy of kpp_transport_s
706     - there is no analogue to SurfaceTendencyS, so I have to use
707       gPtr(of the surface layer) instead
708    o add a new platform SunFire+mpi (SunFire 15000) to genmake
709    checkpoint50e_pre
710    
711    checkpoint50d_post
712    o change kpp output from multiple-record state files to single-record state
713      files analogous to write_state.F
714    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
715      analogous to the cg2d-related output.
716    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
717      so that writing to internal file fn (with length 512) fails.
718    checkpoint50d_pre
719    
720    checkpoint50c_post
721    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
722    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
723    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
724    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
725    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
726    
727    checkpoint50c_pre
728    Merging from release1_p13:
729    o bug fix for pkg/seaice dynamic solver
730    o Added SEAICE_initialHEFF to pkg/seaice
731    
732    checkpoint50b_post
733    o store u*,v* in gU,V instead of in guNm1,gvNm1
734    o in order to put the momForcing out of the Adams-Bashforth:
735      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
736      to timestep.F
737    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
738    o re-generate output for highly sensitive test-exp:
739       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
740    
741    checkpoint50b_pre
742    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
743    o corrected CPP option mismatch in exf_Bulk... functions for case
744      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
745    
746    checkpoint50a_post
747    o Bug fix for merging between c50 and KPP.
748      ikey was passed from thermodynamics to kpp_calc via
749      common block rather than being recomputed in kpp_calc,
750      in contradiction with new key itdkey.
751      New key ikppkey created, and tamc.h headers updated.
752    
753    checkpoint50
754    - 2nd step of merge with ecco-branch:
755      merge changes in ecco-branch back into main trunk
756    - bug fix in find_alpha
757    - more storing in gmredi_calc_tensor.F, kpp_routines.F
758    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
759    - merged some sliced AD support routines
760    
761    checkpoint49
762    merged from ecco-branch:
763    o exf:
764      - Enable initialisation of forcing fields to constant
765        (runtime) values.
766      - in exf_getffields.F
767        Reduce i-/j-loop to interior domain, discarding overlaps.
768        That also fixes wrong TAF-key computations for key_1, key_2
769        with bulf formulae.
770      - exf_init.F modify #ifdef for exf_init_evap
771      - exf_getffieldrec.F, ctrl_getrec.F
772        The following INT-usages are not safe:
773          fldsecs  = int(fldsecs/fldperiod)*fldperiod
774          fldcount = int(fldsecs/fldperiod) + 1
775        and were modified.
776    o autodiff: checkpoint_lev...
777      - updated storing for bulk formulae (some arrays were missing)
778      - added state for seaice package
779      - synchronized with main branch
780    o DIVA:
781      Modif.s in
782      - the_main_loop.F
783      - the_model_main.F
784      and added cost_final_restore.F cost_final_store.F
785      o With these changes, it is possible to fully separate
786        the first forward run to compute the cost function (mdthe_main_loop)
787        and adjoint runs over individual DIVA intervals (adthe_main_loop)
788        into separate model executions.
789        This enables better tuning of DIVA to given queue sizes.
790      o Loss of cost function value in consecutive DIVA runs is
791        fixed by storing to 'costfinal' file.
792      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
793        beginning/end of adjoint integration is accounted for.
794      The current changes apply to TAF-1.4.26.
795      TAF has one remaining bug, requiring one manual change
796      (see MITgcm manual).
797    o cal: synchronized between MAIN and ecco-branch
798    
799    checkpoint48i_post
800    o Changes to restore differentiability of code w.r.t. previous tag
801      (mostly adding new routines to make list and replacing
802      pressure by totPhiHyd).
803    o Updated and merged grdchk package
804      - has both ADM and TLM checks
805      - works for single- and multi-proc.
806      - output cleaned
807      - worked successfully for parallel DIVA
808    o genmake:
809      - Adding -platform=SP4
810      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
811    o Modif. for DIVA:
812      ctrl_unpack should not be called in intermediate DIVA interval.
813      (similar thing would apply for active files such as
814      tbar, sbar, psbar, which should not be reinitialised;
815      only relevant for ecco-branch)
816    
817    checkpoint48h_post
818    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
819    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
820    o Added SEAICE_initialHEFF to pkg/seaice
821    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
822    
823    checkpoint48g_post
824    --- EOS:
825    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
826      store total Potential in totPhyHyd for diagnostics & EOS.
827    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
828    --- Pressure/geopotential gradient:
829    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
830    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
831      ( changes results of global_ocean_pressure )
832    o NLFS + z-coord.: add eta*Rho' contribution.
833    o accurate phiHyd when using interface-W at the middle between 2 centers
834     ( changes results of ideal_2D_oce )
835    o includes r* 2nd term in potential gradient.
836    
837    checkpoint48f_post
838    Merging from release1_p12:
839    o Modifications for using pkg/exf with pkg/seaice
840      - improved description of the various forcing configurations
841      - added basic radiation bulk formulae to pkg/exf
842      - units/sign fix for evap computation in exf_getffields.F
843      - updated verification/global_with_exf/results/output.txt
844    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
845      (SBO) core products, including oceanic mass, center-of-mass,
846      angular, and bottom pressure (see pkg/sbo/README.sbo).
847    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
848      to avoid negative values in shallow regions.
849      - updated verification/natl_box/results/output.txt
850      - updated verification/lab_sea/results/output.txt
851    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
852    o Added useSingleCpuIO option (see PARAMS.h).
853    o Updated useSingleCpuIO option in mdsio_writefield.F to
854      work with multi-field files, e.g., for single-file pickup.
855    o pkg/seaice:
856      - bug fix in growth.F: QNET for no shortwave case
857      - added HeffFile for specifying initial sea-ice thickness
858      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
859    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
860      kpp_transport_t.F, forward_step.F, and the_main_loop.F
861    o pkg/seaice:
862      - adjoint-friendly modifications
863      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
864    
865    checkpoint48e_post
866    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
867    o dynamics: change definition of computational domain & adapt mom_fluxform
868      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
869    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
870        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
871        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
872        global_ocean.90x40x15 global_with_exf global_ocean_pressure
873        inverted_barometer solid-body.cs-32x32x1
874      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
875    
876    checkpoint48d_post
877    o in preparation for r*:
878     a) use pre-computed gradient of hydrostatic potential:
879        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
880     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
881        => affects results of glob_oce_pressure (different truncation error)  
882      update output.txt of ideal_2D_oce & global_ocean_pressure
883    
884    checkpoint48d_pre
885    o in preparation for r*:
886      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
887      pass the 2 comp. of the grad. as arguments to momentum S/R.
888      but for the moment, only used if it does not change the results.
889    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
890    
891    checkpoint48c_post
892    Modifications in treatment of initial flux forcing controls
893    to avoid extra storing of flux fields.
894    
895    checkpoint48c_pre
896    o Added tidal_basin_2d experiment (currently 1D!)
897    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
898    
899    checkpoint48b_post
900    o r* coordinate added in #ifdef NONLIN_FRSURF block.
901     (modification to pressure gradient not yet implemented)
902    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
903      (for U & V) that are used for vertical advection of momentum.
904    
905    checkpoint48a_post
906    o In preparation for r*, use temp. array to compute vertical transport
907       in flux-form momentum pkg. => change results of few test-exp.
908      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
909                        lab_sea, natl_box & plume_on_slope
910    
911    checkpoint48
912    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
913    
914    checkpoint47j_post
915    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
916    o moved adexch from forward_step to addummy_in_stepping
917    o added exch in ctrl_map_...
918    o aveFreq.=0. at end of cost_final to avoid overwrite in
919      reverse checkpointing loop
920    o Yet more changes in gmredi:
921      * adgmredi_calc_tensor
922        avoiding all recomputation of gmredi_slope_limit
923      * adgmredi_x/y/rtransport
924        added flag for excessive storing to avoid recomp. of
925        u/v/rtans, dTdx/y/z
926        -> this is not really necessary and very memory-consuming
927      * adgmredi_slope_psi:
928        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
929      * gmredi_slope_limit
930        re-activated full calculation of taperfct for case 'ac02'
931    o updating verification/ adjoints of carbon, global_ocean.90x40x15
932    
933    checkpoint47i_post
934    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
935    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
936      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
937    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
938    o gmredi: fix few bugs.
939    
940    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
941    This will be a good checkpoint to plug into the ecco-branch.
942    o few modif.'s to get latest version adjointed
943      (mainly kick out code in ini_linear_phisurf)
944    o modif's to run adjoint with exactConserv
945    o case GM_BOLUS_ADVEC should be cleaned
946      S/R gmredi_slope_psi should be cleaned
947    o verification/carbon now has exactConserv=.TRUE.
948    
949    checkpoint47g_post
950    o time-average AIM output: becomes independent from statvars time-average
951      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
952    o After TAF bug fix:
953      Tested adjoint of gmredi package.
954      Tests were done with checkpoint47 rather than with latest
955      checkpoint47f_post since the latter is broken for the adjoint
956      verification/carbon/ contains both ADM and TLM gradient checks.
957    Here they are, before they get changed/lost/stolen.
958    Mostly modif.'s to fix numerical sensitivities.
959    Gradient checks OK for
960    - GM_taper_scheme:
961      * clipping
962      * ac02
963      * linear
964      * glw91
965      * dm95
966      * ldd97
967    - GMREDI_OPTIONS:
968      * GM_VISBECK_VARIABLE_K
969      * GM_NON_UNITY_DIAGONAL
970      * GM_EXTRA_DIAGONAL
971      * GM_BOLUS_ADVEC
972    in conjunction with data.gmredi parameters to be checked in
973    in a few minutes under verification/carbon/code/
974    
975    checkpoint47f_post
976    Merging from release1_p10:
977    o modifications for using pkg/exf with pkg/seaice
978      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
979        and SEAICE_EXTERNAL_FLUXES
980      - pkg/exf CPP options EXF_READ_EVAP and
981        EXF_NO_BULK_COMPUTATIONS
982      - usage examples are Experiments 8 and 9 in
983        verification/lab_sea/README
984      - verification/lab_sea default experiment now uses
985        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
986    
987    checkpoint47e_post
988    o created a tag prior to creating a branch
989    
990    checkpoint47d_post
991    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
992      at the bottom boundary had an erroneous half slip boundary condition
993    o added bottom drag and no slip boundary condition capabilities to
994      oceanic pressure coordinates code
995    o added new verification experiment global_ocean_pressure, this experiment is
996      also described in the tutorial section of the manual
997    checkpoint47d_pre
998    
999    checkpoint47c_post
1000    o Added a verification experiment for a global cubed-sphere ocean run
1001      -  verification/global_ocean.cubed32x32x30
1002      -  uses pkg/therm_seaice and pkg/bulk_forcing
1003    
1004    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1005    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1006      when using P-coordinate; only implemented for atmospheric config.
1007    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1008      NOTES: requires option NONLIN_FRSURF to be "#define".
1009    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1010    
1011    checkpoint47b_post
1012    Merging from release1_p9:
1013    o pkg/seaice
1014      - removed GOTO's and added taf directives
1015      - double precision constants to reduce the g77 (Linux)
1016        to F77 (SGI) differences reported in release1_p8
1017    o tools/genmake
1018      - added SGI options
1019    o verification/testscript
1020      - updated to that of checkpoint47a_post
1021    o verification/global_ocean.90x40x15/input/eedata
1022      - modified for SGI f77 compatibility
1023    o verification/lab_sea
1024      - added description of sea-ice model
1025      - added missing matlab routines
1026      - added test of thermodynamics parallelization
1027    
1028    checkpoint47a_post
1029    o new pkg: aim_v23
1030     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1031       for now, keep the same surface forcing as before.
1032     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1033     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1034     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1035    o add diagnostic of surface correction term in monitor output
1036    
1037    o bulk_force and therm_seaice
1038    - Two packages:  bulk_force (Bulk forcing)
1039      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1040    - Earlier integration from Stephaine Dutkiewicz
1041      and Patrick Heimbach.
1042    - Two ifdef statements for compile time,
1043       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1044    
1045    checkpoint47
1046    differentiable version of checkpoint46n_post
1047    o bug fix in quasihydrostaticterms
1048    o * "clean" adjoint code (in terms of extensive recomputations)
1049        can now be obtained for all GMREDI options (i.e. for
1050        - GM_VISBECK_VARIABLE_K
1051        - GM_NON_UNITY_DIAGONAL
1052        - GM_EXTRA_DIAGONAL
1053        - GM_BOLUS_ADVEC )
1054      * However, wrong gradient check problem remains unsolved.
1055      * New CPP options have been introduced for different
1056        tapering schemes
1057    o external_fields_load now part of differentiation list
1058    o pressure needs multiple storing;
1059      would be nice to have store_pressure at beginning or
1060      end of forward_step, e.g. by having phiHyd global (5-dim.)
1061      (NB: pressure is needed for certain cases in find_rho,
1062      which is also invoked through convective_adjustment).
1063    o recomputations in find_rho for cases
1064     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1065    o #define ATMOSPHERIC_LOADING should be differentiable
1066    o ini_forcing shifted to begining of initialise_varia
1067    o Incorporating QNVS line search routines into MITgcm
1068      (this is separate code, and therefore not under pkg)
1069      lsopt/, optim/
1070    o Updated verification/carbon/
1071      - #define GM_VISBECK_VARIABLE_K
1072      - GM_taper_scheme    = 'ldd97'    
1073    
1074    checkpoint46n_post
1075    Merging from release1_p8:
1076    o verification/natl_box:
1077      updating new external_fields_load routine
1078    o New package: pkg/seaice
1079      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1080      The sea-ice code is based on Hibler (1979-1980).
1081      Two sea-ice dynamic solvers, ADI and LSR, are included.
1082      In addition to computing prognostic sea-ice variables and diagnosing
1083      the forcing/external data fields that drive the ocean model,
1084      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1085      The implied surface heat flux is then stored in variable
1086      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1087      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1088      non-local transport term.  Because this call precedes model
1089      thermodynamics, temperature under sea-ice may not be "exactly" at
1090      the freezing point by the time theta is dumped or time-averaged.
1091      N.B.: fairly large differences in accuracy occur across
1092            different platforms/compilers; comparison between
1093            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1094            generated output gives:
1095       T           S           U           V
1096      C D M    c        m  s        m  s        m  s        m  s
1097      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1098      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1099      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1100    
1101      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1102    o GAD:
1103      - generated new common blocks to account for call of
1104        same gad routines with differing traceridentities
1105        (needed to modify tracerIdentity indices in GAD.h)
1106      - generated separate common blocks for case useCubedSphereExchange
1107        (Department of Futurology)
1108      - parameter lists to gmredi_?transport: added tracerIdentity
1109      - added new key indices to tamc.h
1110    o external_fields_load:
1111      - added this routine to TAF list
1112      - needed to make some common blocks global and additional storing
1113        along the same lines as exf package (checkpoint_lev?_directives.h)
1114    o exf:
1115      updated external forcing package
1116      - bug fixes carried over from ecco-branch
1117        (missing OBCS_OPTIONS.h in two routines)
1118      - enable easy to use "no forcing".
1119      - added exf I/O for atmospheric loading
1120      - added exf I/O for runoff data
1121      - transfered scaling between exf <-> MITgcm to exf namelist
1122    o Adding new verification experiment global_with_exf.
1123      This verification experiment is almost identical to the
1124      global_ocean.90x40x15 experiment, except that it uses
1125      the exf (and cal) package instead of the
1126      external_fields_load routine (cf README file).
1127    
1128    checkpoint46m_post
1129    o modified testscript to return -- when there are no lines of "%MON" output
1130    o added new flag "quasiHydrostatic" for QH mode
1131      and new routine quasihydrostaticterms()
1132    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1133      New routine: mom_u_coriolis_nh()
1134    o fixed sign of non-hydrostatic metric terms in u and v equations.
1135      Depend on correct sign of gravitySign.
1136    o added work.pc* to .cvsignore in aim directories using ifc
1137    o introduced flag for controllin non-hydrostatic metric terms
1138  o removed gravitySign from PARM04  o removed gravitySign from PARM04
1139  o switched to g77/ifc from pgf77 in aim experiments  o switched to g77/ifc from pgf77 in aim experiments
1140    

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