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revision 1.97 by adcroft, Tue Nov 5 19:17:20 2002 UTC revision 1.335 by jmc, Tue Jul 27 00:44:10 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 update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
7    o start with no AB and no initial filtering (staggerTimeStep):
8      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
9    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
10      (external loading & cpl import/export stay in forward_step.F)
11    o update coupling interface to work with new staggerTimeStep
12    o change MDSIO ptracers_pickup.
13    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
14    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
15    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
16    
17    checkpoint54c_post
18    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
19      this affects (truncation error) output.txt of test-exp:
20       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
21    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
22    o change Qnet to always be the net heat flux, (+upward).
23      affects (truncation error) output of natl_box exp.: updated
24    o define the max number of passive tracers in PTRACERS_SIZE.h
25    o start to test mnc routinely in exp0
26    o add sea-ice loading (sIceLoad) as a new forcing field.
27    
28    checkpoint54b_post
29    o add testreport "-j JOBS" option for parallel builds (tested and pretty
30       impressive on Altix and Opteron systems)
31    o diagnostics can now write NetCDF files through the mnc package
32    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
33    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
34    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
35      affects (truncation error) output of lab_sea & natl_box exp.: updated
36    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
37    
38    checkpoint54a_post
39    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
40    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
41    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
42    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
43      + internal_wave (shift in writing cg2d_ini_res)
44    checkpoint54a_pre
45    
46    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
47      - modified verification/lab_sea and natl_box_adjoint accordingly
48    
49    checkpoint54
50    checkpoint53g_post
51    o prepare splitting of thermodynamics: store convect.counter in common block
52    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
53      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
54    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
55    o new parameter "nShapS": allow to treat differently S from T (nShapT)
56    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
57    o restore adjointability
58    
59    checkpoint53f_post
60    o modifications that affect AIM experiment results (update output.txt):
61      - no advection of S at top interface Nr (pkg/generic_advdiff)
62      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
63    o AIM pkg:
64      - include stability function into surf.Flux derivative relative to Tsurf
65      - calculate clear-sky radiation & surface temp. change (for diagnostics)
66    
67    checkpoint53e_post
68    o merged cylindrical coord configuration
69    o added rotating_tank experiment
70    checkpoint53e_pre
71    
72    checkpoint53d_post
73    o faulks upgraded: re-generate output.txt that have changed:
74       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
75    o Added Bryan and Lewis, 1979, vertical diffusivity profile
76    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
77    o added Sadourny discretization of Coriolis
78      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
79      - re-enabled use of omega3 (useAbsVorticity)
80    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
81      vector-invariant equations
82      - note: does *NOT* yet use same variable visc. for no-slip BC's.
83    o recoded the lateral boundary conditions for non-hydrostatic w, this time
84      hopefully without new bugs
85      - still to do: biharmonic friction for non-hydrostatic w
86    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
87    o regenerated output for global_ocean_ebm (using -ieee)
88    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
89      of mom_common/
90      - simple re-arrangement of instructions within computing loop
91    checkpoint53d_pre
92    
93    checkpoint53c_post
94    o new version of coupler for AIM+thSIce and Ocean models
95     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
96     - land: change Evaporation of snow
97     - aim with thSIce: fix bug in snow-precip.
98    o changes to calc_gw.F
99     - bug fix for w^2 term near the bottom boundary
100     - (hopefully) improve the lateral slip boundary condtions for use with
101        partial/looped cells
102      - because the bug fix changes two verification experiments anyway (exp5
103        and plume on slope), change the lateral boundary condition from half slip
104        to the value of no_slip_sides
105    o ebm package wasnt quite up to the parallel task. Fixed that.
106    o Adjoint of EBM package + verification
107      * TLM OK
108      * ADM not sufficient accuracy yet (needs further testing)
109    
110    checkpoint53b_post
111    o Commiting new energy balance model to repository
112      * package is pkg/ebm
113      * verif. is verification/global_ocean_ebm
114      * references are in ebm_driver.F
115    C      * X. Wang, P. Stone and J. Marotzke, 1999:
116    C        Global thermohaline circulation. Part I:
117    C        Sensitivity to atmospheric moisture transport.
118    C        J. Climate 12(1), 71-82
119    C      * X. Wang, P. Stone and J. Marotzke, 1999:
120    C        Global thermohaline circulation. Part II:
121    C        Sensitivity with interactive transport.
122    C        J. Climate 12(1), 83-91
123    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
124    C        Destabilization of the thermohaline circulation
125    C        by atmospheric eddy transports.
126    C        J. Climate 7(12), 1870-1882
127    o Will need long integration testing.
128    checkpoint53b_pre
129    
130    o created pkg/mom_common in preparation for variable viscosity code
131    o renamed and split ini_mnc_io
132    o pkg/land: only liquid water can diffuse or run-off
133    o AIM using land: soil wetness availability account for snow
134    o added printMapIncludesZeros to EEPARMS namelist
135    
136    checkpoint53a_post
137    o restore TAMC compatiility for exf_constants.h
138      (no usage of _d in .h)
139    o Additional storing in KPP in an attempt to fix
140      TAMC problem with adjoint of KPP code.
141      (no success...)
142      Identical code works fine with TAF.
143    o Fixed verification/natl_box_adjoint experiments.
144      Initial conditions for Experiments 4 and 5 are now
145      set to "SEAICE_initialHEFF=0", which is more reasonable,
146      and hence gives results closer to that of Experiment 2.
147      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
148    
149    checkpoint53
150    o stable checkpoint with up to date adjoint
151      TLM tests only run for 1st grdchk at the moment. Its unclear if
152      this is a code problem or a problem with resetting code for g_
153      variables that is being autogenerated wrong.
154      Otherwise:
155       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
156       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
157         are both still in chaos following their security messes.
158    
159    checkpoint52n_post
160    o various build (mostly genmake2) changes including:
161      - ability to build/run more easily within Cygwin and MacOS X
162      - more complicated Makefiles with a stronger dependence on Gnu Make
163    o pkg/seaice modifications
164      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
165        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
166        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
167      - changed proxy for geostrophic velocity and updated
168        verification/lab_sea/results/* accordingly
169      - removed ADI dynamic solver from pkg/seaice
170      - replaced all occurrences of 1/CSTICE or 1/CSUICE
171        they caused a segmentation fault under certain circumstances
172      - removed unused field WATR
173    o bug fix in exf-package:
174      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
175         now reflect that.
176    o small fixes in the cal-package:
177      - set reference date to first of January for the 'model'-calendar
178      - failing of cal_CheckDate in cal_FullDate now actually results in a
179        warning
180    o small modifications in exf-package to increase flexibility:
181      - change climtempfreeze from a constant to a runtime parameter that
182        is specified in data.exf_clim (default = -1.9)
183      - introduce runtime parameter windstressmax (default = 2.0) that is
184        specified in data.exf
185    o fix in pkg/thsice:
186      - update Evap (Tsf changes) to be consistent with Latent heat flux
187      - maintain snow precipitation unchanged (even if Tsf >=0).
188     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
189    
190    checkpoint52m_post
191    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
192      this does not change any of the results, because myIter=0 in swfrac always
193      lead to jwtype=2 (the default anyway), but the call makes little sense
194      as a default
195    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
196    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
197      atmospheric model (AIM) to use it ; add a "slab ocean" component.
198    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
199    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
200    o extending useSingleCpuIO option to work with new exch2 I/O format
201      - old-style, missing-tile I/O is still accessible by defining CPP
202        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
203    o monitor package can write to NetCDF files and/or STDOUT
204    o fix re-definition bug in MNC_GRID_INIT_ALL()
205    o doc/api_reference added
206      - a framework for building an API Reference Manual using all
207        the "protex" comments embedded in the code
208      - see pkg/generic_advdiff, pkg/mnc for examples
209    o MNC:
210      - make myThid the last argument for all subroutines
211      - new default for the grid files: NO halos
212      - add useMNC and other run-time flags
213      - separate per-file-group handling of the unlimited dimension
214      - early initialization of MNC w/ flags read at the eeboot stage
215        and lookup tables set in initialize_fixed
216      - write all MNC output to a freshly-created directory
217    o thermodynamics sea-ice (thsice) is now tested with testreport.
218    o test exp. advect_cs: use the standard cs32 grid ; update output.
219    o Added functionality to grdchk:
220      pick global i,j,k position (or nearest wet) where to perform check.
221    
222    checkpoint52l_post
223    o new land formulation:
224      a) use ground enthalpy as prognostic variable to ensure exact
225         energy conservation.
226      b) account for water temperature and for latent heat of freezing
227         in all processes (rain, run-off, ground storage)
228      c) compute surface and ground temperature implicitly.
229    o aim_v23 modification for new land model:
230      a) Treat separately land / ocean / sea-ice surface fluxes
231         to allow implicit computation of land & sea-ice surface temp.
232      b) add snow precipitation.
233    checkpoint52l_pre
234    
235    o fix problem (when 1 tile is empty) in min/max monitor.
236    o fix bug in timeAve (u,vZetatave in common block)
237    o no restoring terms under ice for pkg/seaice
238    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
239    o bug fix for pkg/seaice pickups
240    o change MNC call locations and add coordinate attributes
241    o mask vorticity at the corner ; affects global_ocean.cs output
242    o fix ini_curvilinear_grid ; test CS experiments with mpi
243    o aim.5l_cs: modify sea-ice fraction input file ; update output
244    o exf: Adding simple range check routine for exf fields after read
245    
246    checkpoint52k_post
247    o removed top-level directory "diags"
248      - we migrated these functions to pkg/timeave a long time ago
249    o fixed bug introduced in pkg/monitor
250    o accuracy ctrlprec = 32 insuffient for gradient checks using
251      averaged fields (I/O via cost_averages)
252      -> use ctrl.h in active_file*.F to control I/O precision.
253    o paramter list of CALL ADTHE_MAIN_LOOP
254    o added initial do_the_model_io to ecco
255    o set all ...Freq to zero after cost_final
256      taveFreq, dumpFreq, pChkptFreq
257    o MAIN and ECCO differentiability restored
258    
259    checkpoint52j_post
260    o fix nchklev in tamc.h for global_ocean...
261    o Bringing flow and store directives up-to-date
262    o Really weird thing!
263      call do_the_model_io from the_main_loop with parameters
264      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
265      TAF places a faulty re-call of initialise_varia
266      after cost_final call which should not be there!
267    checkpoint52j_pre
268    
269    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
270      error messages
271    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
272    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
273      debug output
274    o modfied mdsio_writefield.F to handle non-global files under exch2
275    o update AIM Cubed-Sphere exp (aim.5l_cs):
276      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
277    o update AIM Equatorial Channel exp:
278      use standard aim_v23 pkg and change the SST fields to be more realistic.
279    o globalFile now works with exch2
280    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
281      mon_vort3.F to make exch2 friendly with >1 tile per cube face
282    o limit timeave output for hi-res integrations
283    
284    checkpoint52i_post
285    o removed CPP_EEOPTIONS.h from verification/*/code
286    o updated the tiling for global_ocean_pressure
287    checkpoint52i_pre
288    
289    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
290      the old pkg/aim).
291    
292    checkpoint52h_pre
293    o shortened offending lines in exch2_send_rx?.template
294    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
295    o genmake2: add build & execute test for NetCDF code
296    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
297      old grid files, moved CPP_EEMACROS.h to pkg/exch2
298    o added useSingleCPUIO flag to monitor.F and mon_out.F
299    o added temporary hack for sea-ice dynamics on the cube:
300      metric terms are ignored and it is assumed that
301      there is no sea-ice on cube faces 1, 2, 4, and 5.
302    
303    checkpoint52f_post
304    o added exch2 cube routines to pkg/exch2
305    o modified hs94.cs-32x32x5 to use it
306    o added new grid files to hs94.cs-32x32x5
307    checkpoint52f_pre
308    
309    checkpoint52e_post
310    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
311      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
312    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
313      to work with implicit vertical advection and AB ;
314    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
315    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
316     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
317    checkpoint52e_pre
318    
319    o fix bug in impldiff when Nr=1 or Nr=2.
320    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
321    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
322    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
323      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
324    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
325    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
326    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
327    
328    checkpoint52d_post
329    o re-tiled many expts to allow comparison in multi-processor mode
330      - updated output accordingly
331      - changed hs94.128x64x5 to use intial T from file rather than use the
332        random number generator
333    o add infrastructure in model routines for fizhi and gridalt packages
334    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
335    o changes to permit hi-res, cubed-sphere, configuration
336      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
337      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
338      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
339        of surface winds for the cube
340      (A verification experiment, based on global_ocean.cs32x15, but with
341       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
342       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
343       complete with example surface forcing files and matlab scripts to look
344       at the output and compare it with that of global_ocean.cs32x15.)
345    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
346       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
347       to conform to the common rule.
348    o check-in the first version of the coupler + interfaces for multi-components
349       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
350       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
351       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
352       - ocean and atmos. share the same horizontal grid (no interpolation).
353       - exchanges between component and coupler is done in forward_step
354    o new verification experiment, cpl_aim+ocn:
355       coupled ocean - AIM atmosphere on cs32 grid.
356    
357    checkpoint52d_pre
358    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
359    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
360    
361    checkpoint52c_post
362    o Fixing OPTIONS files for use of exf:
363      - ALLOW_ECCO not needed
364      - ECCO_CPPOPTIONS.h should not be included from
365        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
366        as has been the case in the past
367      - All cal/exf related options are currently set in
368        single header file. Should remain so until we
369        agree on a consistent new policy.
370    o Removed all CPP options for cal package.
371      cal has no more CPP options.
372    o modified STOREs in GAD_ADVECTION
373    o corrected key comp. for passkey
374    
375    checkpoint52b_post
376    o new version: "thsice" of thermodynamic sea-ice pkg:
377     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
378     - modify fluxes but do not change theta directly;
379     - light cleaning of bulk_force pkg (still needed with thsice).
380     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
381       + output_thsice.txt to test thsice & bulk_force pkgs.
382    o put back grid & coriolis monitor output.
383    checkpoint52b_pre
384    
385    o call "do_the_model_io" at the beginning (=> dump initial state)
386    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
387    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
388      (need info on NUMBER_OF_PTRACERS)
389    o missing PTRACERS headers in some routines
390    o default tamc.h in pkg/autodiff supposed to crash
391      to ensure proper customization
392    
393    checkpoint52a_post
394    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
395      - moved surfaceTendencyTice from pkg/seaice to main code
396      - subroutine FREEZE_SURFACE now limits only surface temperature
397        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
398        => new output.txt for global_ocean.cs32x15 & global_with_exf
399      - keep the old version of FREEZE for backward compatibility;
400        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
401      - corresponding modifs for TAF directives
402    o added surface flux output variables to TIMEAVE_STATVARS
403    o time-averaged output for pkg/ptracers
404    o fix problem with ECCO-related divided adjoint
405      snapshot file was missing some ad-variables,
406      but no warning issued by TAF
407    
408    checkpoint52a_pre
409    o some bug fixes for #undef REAL4_IS_SLOW
410    
411    checkpoint52 = ecco_c52_e35
412    o after testing adjoints of checkpoint51u_post
413    
414    checkpoint51u_post
415    o this is the post-merge tag of the ecco-branch
416      (needs another clean checkout and re-testing)
417    o various natl_box_adjoint configs and results
418      but no input fields
419    o obcs adjoint not yet merged!
420    o adding ECCO global 1x1 and 2x2 degree configs
421    o updated/extended some store directives for seaice
422    o pkg/ecco now containes ecco-specific part of cost function
423    o top level routines the_main_loop, forward_step
424      supersede those in model/src/
425      previous input data.cost now in data.ecco
426      (new namelist ecco_cost_nml)
427    o in ctrl/ cleaned some cross-dependencies and updated CPP options
428    
429    checkpoint51t_post
430    o this is the pre-merge tag of the ecco-branch
431    
432    checkpoint51s_post
433    o cleanup: removed various obsolete #define-s
434    o pkg/grdchk
435      - renamed 'ph-grd 3' to 'grad-res'
436      - merged from ecco-branch
437        (remaining bug fixes for obcs gradient checks)
438      - additional high-precision output for testreport
439        (grep for 'precision_grdchk_result')
440    
441    checkpoint51r_post
442    o cleaned up or removed CPP_OPTIONS.h files
443    o updated results for some of the tests to reflect the new
444      optfiles (-ieee: -O0 instead of -O3)
445    
446    checkpoint51q_post
447    o cd_code:
448      - moved cd_scheme.F -> cd_code_scheme.F
449      - separate read_checkpoint from cd_code_ini_vars.F
450      - separated cd_code part from write_checkpoint
451      - updated AD_SOURCE, generated .flow
452      - added CD_CODE_VARS.h to the_main_loop
453      - Moving cd_code specific store dir.s to pkg/cd_code
454    o ctrl package totally restructured
455      - pack/unpack now optional and decoupled from
456        xx_/adxx_ I/O
457      - ctrl_pack/unpack cleaned
458        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
459      - confined inclusion of AD_CONFIG.h to where necessary.
460    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
461    
462    checkpoint51p_post
463    o create initial cd_code package
464      - WARNING: the initialization of fields within packages
465        is broken because INI_FIELDS (where READ_CHECKPOINT is
466        called) is called *before* PACKAGES_INIT_VARIABLES.
467        This seems to be backwards since
468        1) its important to initially zero the entire field including
469           the "halo" region
470        2) zeroing needs to be done *before* reading pickup info
471           and the pickup call might or might not happen in any
472           particular run
473      - this needs an overhaul for R2
474    o cleanup verification/*/code/GMREDI_OPTIONS.h
475    o cleanup testreport
476    
477    checkpoint51o_post
478    o bringing AD-related verif's up to date with genmake2
479      - carbon/
480      - global_ocean.90x40x15/
481      - hs.94.1x64x5/
482      - (front_relax/ )
483    o (more) consistent directory structure for AD-related verif.'s
484    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
485    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
486    o bug fix in find_alpha.F for MDJWF:
487      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
488        change rho -> rho-rhoConst
489      - replace call find_rho to find_rhonum
490    o initialisation of rFlx extended to full array (required by TAF)
491      and shifted to thermodynamics
492    o removed PTRACERS.h in ptracers routine
493    o added surfacetendencyPtr to S/R parameter list pracers_forcing
494    o Correcting initialisations for fVerU, fVerV.
495    o helping TAF to recognize dependency on kUp for
496      fVerU, fVerV
497    o Replacing delZ by delR in pkg/ctrl/
498    checkpoint51o_pre
499    
500    o undid all of cp51 pending some cleanups and discussion
501    o added the [#include "AD_CONFIG.h"] statement to all files that need
502       it for adjoint/tl #defines
503     o re-worked the build logic in genmake2 to support AD_CONFIG.h
504     o removed tools/genmake since it no longer works
505    
506    checkpoint51n_post
507    o modifications to make FREEZE flux visible to pkg/kpp
508      - moved surfaceTendencyTice from pkg/seaice to main code
509      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
510      - subroutine FREEZE now limits only surface temperature
511        (this means new output.txt for global_ocean.90x40x15,
512         global_ocean.cs32x15, and global_with_exf)
513    o added surface flux output variables to TIMEAVE_STATVARS
514    
515    checkpoint51n_pre
516    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
517    o added [#include "AD_CONFIG.h"] to all files that use the following
518      defines:
519      - ALLOW_ADJOINT_RUN
520      - ALLOW_TANGENTLINEAR_RUN
521      - ALLOW_ECCO_OPTIMIZATION
522    
523    checkpoint51m_post
524    o incorporating changes to get TAMC/TAF working in genmake2
525      - added new TAMC/TAF targets to the Makefile
526      - various cleanups related to package handling
527      - these changes should have no impact on the forward model
528    
529    checkpoint51l_post
530    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
531     - faster algorithm for cal_addtime.F
532     - higher precision arithmetic, where needed
533     - pkg/exf *startdate variables changed from calendar date to
534       model integration time
535    
536    checkpoint51l_pre
537    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
538    o enable to apply restoring on S & T only in a latitude band.
539    o update output (external_forcing_surf modif. change truncation errors)
540       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
541    
542    checkpoint51k_post
543    o change default to: useNHMTerms=.FALSE.
544     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
545       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
546     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
547        exp1, ideal_2D_oce
548     - change data file of oceanic exp (leave the results unchanged for now)
549       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
550    o set gravitySign automatically according to the vertical coordinate used
551      (and change sign: back to "logical" value: +1 when R increases downward)
552    o added an include barrier to the default CPP_OPTIONS.h and
553      removed the #include "PACKAGES_CONFIG.h" from it
554    o fix a bug in mom_fluxform (from chk51j_post)
555    
556    checkpoint51j_post
557    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
558    o adjusted some flow directives (dynamics, thermodynamics)
559    o added cubed-sphere case to test cost function
560    o heckpoint_lev?_directives.h now include
561      pkg-specific directives, whenever those are enabled.
562    o Moving pkg-specific flow directives to corresponding pkg
563      Moving pkg-specific differentiation list to corresponding pkg
564      Moving pkg-specific checkpoint-lev storing to corresponding pkg
565      ---> conventions are
566           - pkg_ad.flow
567           - pkg_ad_diff.list
568           - pkg_ad_check_lev?_dir.h
569    
570    checkpoint51i_post
571    o merge of the branch-genmake2
572      - knowingly breaks the older genmake
573      - automatic generation of all ALLOW_${PKG_NAME} defines
574      - new testreport supersedes older testscript
575    o large number of package inclusion and header cleanups
576    checkpoint51i_pre
577    
578    o new output for adjoin of global ocean vector invariant
579    o fix for checkpoint of thermodynamic seaice and bulk_force
580    o Steph gchem various cleanups
581    
582    checkpoint 51h_pre
583    o fixed some single quotes
584    o modify gchem pkg to be more versatile
585    o modifications to clean up dic pkg
586    o add pkg/cfc
587    
588    checkpoint51g_post
589    o provide links for ARPACK and ADM*TLM
590    o start removing verification/vero/
591    o update AD-related stuff
592      (in particular some IF-statements in model/src/ routines)
593    o adding to verification/global_ocean.90x40x15/ adjoint of
594      vector invariant setup
595    
596    checkpoint51f_post
597    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
598    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
599      of tracer Green's fucntions for ocean inversion project.
600    
601    checkpoint51f_pre
602    o Added on-the-fly spatial interpolation capability
603        "USE_EXF_INTERPOLATION" to pkg/exf.
604      - This is a temporary Cartesian-grid hack until
605        the super-duper ESMF coupler becomes available.
606      - See verification/global_with_exf/README for usage example.
607      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
608        flags and modified pkg/seaice accordingly.
609    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
610        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
611        non-local transport term.
612    
613    checkpoint51e_post
614    o pkg/mom_vecinv:
615      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
616      - add time-ave diagnostic of vorticity advection.
617    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
618    o atmospheric geopotential: - include water vapor effect;
619                                - use p^kappa in p* scaling.
620    o land pkg: read initial state from files.
621    o AIM : add stratospheric drag in the upper level
622    
623    checkpoint51d_post
624    o change function ILNBLNK (=> last non-blank char.) to return zero
625      (instead of the string length) when the string. char is empty
626    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
627    o modif's to restore TAMC compatibility
628      - avoid "_d" constructs in PARAMETER declarations
629      - avoid interrupting lines by comment lines
630    o Use cluster local disks for purely local I/O
631      vs. globally visible disks needed for ctrl stuff
632      (merged from ecco-branch)
633      - new active_file_loc... and mdsio_..._loc routines
634      - affected packages: autodiff, ctrl, grdchk, mdsio
635    
636    checkpoint51c_post
637    o introducing integer flag debugLevel
638      - debLevZero: suppress all output
639      - debLevA: standard
640      - debLevB: equivalent to current debugMode=.TRUE.
641    o introducing pathname variable mdsioLocalDir for mdsio
642      that can be specified at runtime
643      (relevant for cluster I/O to local disk)
644    `
645    >>>checkpoint51b_post
646    adjoint of ptracers
647    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
648    o extended state in checkpoint_lev?, etc.
649    o alternative ctrl/cost with tr1 or ptracer
650    o new comlev1_bibj_ptracers
651    o new ptracers.flow
652    o made ptracers_forcing same as external_forcing_s
653    o added verification for adjoint with ptracers
654      - adm. grdchk fail so far
655      - tlm. grdchk OK
656      - checked tapelev/comlev recomputations: OK
657    <<<checkpoint51b_pre
658    
659    checkpoint51a_post
660    o added code for biogeochemistry package
661      - new pkgs: dic, gchem
662      - new subroutine in ptracers
663    o modify code for biogeo packages
664      - in model/src and pkg/ptracers
665    
666    checkpoint51
667    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
668      - autodiff, ctrl, exf, grdchk, seaice
669      kept separate packages
670      - cost, ecco, obcs
671    o updating verification/internal_wave, verification/lab_sea
672      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
673    
674    checkpoint50i_post
675    o Preparing next differentiable checkpoint and sync
676      of MAIN vs. ecco-branch
677      - 1st step: this one is differentiable
678      - 2nd step: next(! not this) checkpoint will have updated packages
679                  from ecco-branch)
680    
681    checkpoint50h_post
682    o new package "land": provide surface BC for AIM.
683    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
684    o AIM: use true log-P extrapolation for near surface temp (= as in
685        F.Molteni paper) ; update aim.5l_cs output.
686    o New variable in PARM03 for more flexible pickups
687    o somewhat cleaned package initialisation sequence for
688      ctrl/ cost/ ecco/ in packages_... routines
689    
690    checkpoint50g_post
691    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
692      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
693      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
694        made the default because of faster convergence than ADI
695    
696    checkpoint50f_post
697    o exf totally restructured
698      - replaced all exf_set_ routines by one generic exf_set_gen.F
699        and made sure it's still differentiable
700      - split exf_getffields.F into new exf_bulkformulae.F
701      - exf_inscal_/exf_outscal_ suffixes consistent with field names
702      - updated adjoint/makefile and relevant verif. accordingly
703    
704    checkpoint50f_pre
705     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
706          + change Evap over land. (update aim.5l_cs output)
707     o added missing .cvsignores and made uniform across expts
708     o changed configuration of tidal_basin_2d expt
709     o added pkg/debug functions for tracing code in fatal crashes
710     o tidied pkg/monitor to use MONITOR_OPTIONS.h
711     o new fn in pkg/monitor to stop model if solution grows too big
712     o removed lots of single quotes from comments
713    
714    checkpoint50e_post
715    o make KPP work with PTRACERS
716     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
717       nearly a copy of kpp_transport_s
718     - there is no analogue to SurfaceTendencyS, so I have to use
719       gPtr(of the surface layer) instead
720    o add a new platform SunFire+mpi (SunFire 15000) to genmake
721    checkpoint50e_pre
722    
723    checkpoint50d_post
724    o change kpp output from multiple-record state files to single-record state
725      files analogous to write_state.F
726    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
727      analogous to the cg2d-related output.
728    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
729      so that writing to internal file fn (with length 512) fails.
730    checkpoint50d_pre
731    
732    checkpoint50c_post
733    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
734    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
735    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
736    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
737    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
738    
739    checkpoint50c_pre
740    Merging from release1_p13:
741    o bug fix for pkg/seaice dynamic solver
742    o Added SEAICE_initialHEFF to pkg/seaice
743    
744    checkpoint50b_post
745    o store u*,v* in gU,V instead of in guNm1,gvNm1
746    o in order to put the momForcing out of the Adams-Bashforth:
747      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
748      to timestep.F
749    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
750    o re-generate output for highly sensitive test-exp:
751       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
752    
753    checkpoint50b_pre
754    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
755    o corrected CPP option mismatch in exf_Bulk... functions for case
756      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
757    
758    checkpoint50a_post
759    o Bug fix for merging between c50 and KPP.
760      ikey was passed from thermodynamics to kpp_calc via
761      common block rather than being recomputed in kpp_calc,
762      in contradiction with new key itdkey.
763      New key ikppkey created, and tamc.h headers updated.
764    
765    checkpoint50
766    - 2nd step of merge with ecco-branch:
767      merge changes in ecco-branch back into main trunk
768    - bug fix in find_alpha
769    - more storing in gmredi_calc_tensor.F, kpp_routines.F
770    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
771    - merged some sliced AD support routines
772    
773    checkpoint49
774    merged from ecco-branch:
775    o exf:
776      - Enable initialisation of forcing fields to constant
777        (runtime) values.
778      - in exf_getffields.F
779        Reduce i-/j-loop to interior domain, discarding overlaps.
780        That also fixes wrong TAF-key computations for key_1, key_2
781        with bulf formulae.
782      - exf_init.F modify #ifdef for exf_init_evap
783      - exf_getffieldrec.F, ctrl_getrec.F
784        The following INT-usages are not safe:
785          fldsecs  = int(fldsecs/fldperiod)*fldperiod
786          fldcount = int(fldsecs/fldperiod) + 1
787        and were modified.
788    o autodiff: checkpoint_lev...
789      - updated storing for bulk formulae (some arrays were missing)
790      - added state for seaice package
791      - synchronized with main branch
792    o DIVA:
793      Modif.s in
794      - the_main_loop.F
795      - the_model_main.F
796      and added cost_final_restore.F cost_final_store.F
797      o With these changes, it is possible to fully separate
798        the first forward run to compute the cost function (mdthe_main_loop)
799        and adjoint runs over individual DIVA intervals (adthe_main_loop)
800        into separate model executions.
801        This enables better tuning of DIVA to given queue sizes.
802      o Loss of cost function value in consecutive DIVA runs is
803        fixed by storing to 'costfinal' file.
804      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
805        beginning/end of adjoint integration is accounted for.
806      The current changes apply to TAF-1.4.26.
807      TAF has one remaining bug, requiring one manual change
808      (see MITgcm manual).
809    o cal: synchronized between MAIN and ecco-branch
810    
811    checkpoint48i_post
812    o Changes to restore differentiability of code w.r.t. previous tag
813      (mostly adding new routines to make list and replacing
814      pressure by totPhiHyd).
815    o Updated and merged grdchk package
816      - has both ADM and TLM checks
817      - works for single- and multi-proc.
818      - output cleaned
819      - worked successfully for parallel DIVA
820    o genmake:
821      - Adding -platform=SP4
822      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
823    o Modif. for DIVA:
824      ctrl_unpack should not be called in intermediate DIVA interval.
825      (similar thing would apply for active files such as
826      tbar, sbar, psbar, which should not be reinitialised;
827      only relevant for ecco-branch)
828    
829    checkpoint48h_post
830    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
831    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
832    o Added SEAICE_initialHEFF to pkg/seaice
833    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
834    
835    checkpoint48g_post
836    --- EOS:
837    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
838      store total Potential in totPhyHyd for diagnostics & EOS.
839    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
840    --- Pressure/geopotential gradient:
841    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
842    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
843      ( changes results of global_ocean_pressure )
844    o NLFS + z-coord.: add eta*Rho' contribution.
845    o accurate phiHyd when using interface-W at the middle between 2 centers
846     ( changes results of ideal_2D_oce )
847    o includes r* 2nd term in potential gradient.
848    
849    checkpoint48f_post
850    Merging from release1_p12:
851    o Modifications for using pkg/exf with pkg/seaice
852      - improved description of the various forcing configurations
853      - added basic radiation bulk formulae to pkg/exf
854      - units/sign fix for evap computation in exf_getffields.F
855      - updated verification/global_with_exf/results/output.txt
856    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
857      (SBO) core products, including oceanic mass, center-of-mass,
858      angular, and bottom pressure (see pkg/sbo/README.sbo).
859    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
860      to avoid negative values in shallow regions.
861      - updated verification/natl_box/results/output.txt
862      - updated verification/lab_sea/results/output.txt
863    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
864    o Added useSingleCpuIO option (see PARAMS.h).
865    o Updated useSingleCpuIO option in mdsio_writefield.F to
866      work with multi-field files, e.g., for single-file pickup.
867    o pkg/seaice:
868      - bug fix in growth.F: QNET for no shortwave case
869      - added HeffFile for specifying initial sea-ice thickness
870      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
871    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
872      kpp_transport_t.F, forward_step.F, and the_main_loop.F
873    o pkg/seaice:
874      - adjoint-friendly modifications
875      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
876    
877    checkpoint48e_post
878    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
879    o dynamics: change definition of computational domain & adapt mom_fluxform
880      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
881    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
882        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
883        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
884        global_ocean.90x40x15 global_with_exf global_ocean_pressure
885        inverted_barometer solid-body.cs-32x32x1
886      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
887    
888    checkpoint48d_post
889    o in preparation for r*:
890     a) use pre-computed gradient of hydrostatic potential:
891        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
892     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
893        => affects results of glob_oce_pressure (different truncation error)  
894      update output.txt of ideal_2D_oce & global_ocean_pressure
895    
896    checkpoint48d_pre
897    o in preparation for r*:
898      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
899      pass the 2 comp. of the grad. as arguments to momentum S/R.
900      but for the moment, only used if it does not change the results.
901    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
902    
903    checkpoint48c_post
904    Modifications in treatment of initial flux forcing controls
905    to avoid extra storing of flux fields.
906    
907    checkpoint48c_pre
908    o Added tidal_basin_2d experiment (currently 1D!)
909    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
910    
911    checkpoint48b_post
912    o r* coordinate added in #ifdef NONLIN_FRSURF block.
913     (modification to pressure gradient not yet implemented)
914    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
915      (for U & V) that are used for vertical advection of momentum.
916    
917    checkpoint48a_post
918    o In preparation for r*, use temp. array to compute vertical transport
919       in flux-form momentum pkg. => change results of few test-exp.
920      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
921                        lab_sea, natl_box & plume_on_slope
922    
923    checkpoint48
924    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
925    
926    checkpoint47j_post
927    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
928    o moved adexch from forward_step to addummy_in_stepping
929    o added exch in ctrl_map_...
930    o aveFreq.=0. at end of cost_final to avoid overwrite in
931      reverse checkpointing loop
932    o Yet more changes in gmredi:
933      * adgmredi_calc_tensor
934        avoiding all recomputation of gmredi_slope_limit
935      * adgmredi_x/y/rtransport
936        added flag for excessive storing to avoid recomp. of
937        u/v/rtans, dTdx/y/z
938        -> this is not really necessary and very memory-consuming
939      * adgmredi_slope_psi:
940        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
941      * gmredi_slope_limit
942        re-activated full calculation of taperfct for case 'ac02'
943    o updating verification/ adjoints of carbon, global_ocean.90x40x15
944    
945    checkpoint47i_post
946    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
947    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
948      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
949    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
950    o gmredi: fix few bugs.
951    
952    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
953    This will be a good checkpoint to plug into the ecco-branch.
954    o few modif.'s to get latest version adjointed
955      (mainly kick out code in ini_linear_phisurf)
956    o modif's to run adjoint with exactConserv
957    o case GM_BOLUS_ADVEC should be cleaned
958      S/R gmredi_slope_psi should be cleaned
959    o verification/carbon now has exactConserv=.TRUE.
960    
961    checkpoint47g_post
962    o time-average AIM output: becomes independent from statvars time-average
963      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
964    o After TAF bug fix:
965      Tested adjoint of gmredi package.
966      Tests were done with checkpoint47 rather than with latest
967      checkpoint47f_post since the latter is broken for the adjoint
968      verification/carbon/ contains both ADM and TLM gradient checks.
969    Here they are, before they get changed/lost/stolen.
970    Mostly modif.'s to fix numerical sensitivities.
971    Gradient checks OK for
972    - GM_taper_scheme:
973      * clipping
974      * ac02
975      * linear
976      * glw91
977      * dm95
978      * ldd97
979    - GMREDI_OPTIONS:
980      * GM_VISBECK_VARIABLE_K
981      * GM_NON_UNITY_DIAGONAL
982      * GM_EXTRA_DIAGONAL
983      * GM_BOLUS_ADVEC
984    in conjunction with data.gmredi parameters to be checked in
985    in a few minutes under verification/carbon/code/
986    
987    checkpoint47f_post
988    Merging from release1_p10:
989    o modifications for using pkg/exf with pkg/seaice
990      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
991        and SEAICE_EXTERNAL_FLUXES
992      - pkg/exf CPP options EXF_READ_EVAP and
993        EXF_NO_BULK_COMPUTATIONS
994      - usage examples are Experiments 8 and 9 in
995        verification/lab_sea/README
996      - verification/lab_sea default experiment now uses
997        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
998    
999    checkpoint47e_post
1000    o created a tag prior to creating a branch
1001    
1002    checkpoint47d_post
1003    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1004      at the bottom boundary had an erroneous half slip boundary condition
1005    o added bottom drag and no slip boundary condition capabilities to
1006      oceanic pressure coordinates code
1007    o added new verification experiment global_ocean_pressure, this experiment is
1008      also described in the tutorial section of the manual
1009    checkpoint47d_pre
1010    
1011    checkpoint47c_post
1012    o Added a verification experiment for a global cubed-sphere ocean run
1013      -  verification/global_ocean.cubed32x32x30
1014      -  uses pkg/therm_seaice and pkg/bulk_forcing
1015    
1016    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1017    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1018      when using P-coordinate; only implemented for atmospheric config.
1019    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1020      NOTES: requires option NONLIN_FRSURF to be "#define".
1021    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1022    
1023    checkpoint47b_post
1024    Merging from release1_p9:
1025    o pkg/seaice
1026      - removed GOTO's and added taf directives
1027      - double precision constants to reduce the g77 (Linux)
1028        to F77 (SGI) differences reported in release1_p8
1029    o tools/genmake
1030      - added SGI options
1031    o verification/testscript
1032      - updated to that of checkpoint47a_post
1033    o verification/global_ocean.90x40x15/input/eedata
1034      - modified for SGI f77 compatibility
1035    o verification/lab_sea
1036      - added description of sea-ice model
1037      - added missing matlab routines
1038      - added test of thermodynamics parallelization
1039    
1040    checkpoint47a_post
1041    o new pkg: aim_v23
1042     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1043       for now, keep the same surface forcing as before.
1044     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1045     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1046     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1047    o add diagnostic of surface correction term in monitor output
1048    
1049    o bulk_force and therm_seaice
1050    - Two packages:  bulk_force (Bulk forcing)
1051      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1052    - Earlier integration from Stephaine Dutkiewicz
1053      and Patrick Heimbach.
1054    - Two ifdef statements for compile time,
1055       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1056    
1057    checkpoint47
1058    differentiable version of checkpoint46n_post
1059    o bug fix in quasihydrostaticterms
1060    o * "clean" adjoint code (in terms of extensive recomputations)
1061        can now be obtained for all GMREDI options (i.e. for
1062        - GM_VISBECK_VARIABLE_K
1063        - GM_NON_UNITY_DIAGONAL
1064        - GM_EXTRA_DIAGONAL
1065        - GM_BOLUS_ADVEC )
1066      * However, wrong gradient check problem remains unsolved.
1067      * New CPP options have been introduced for different
1068        tapering schemes
1069    o external_fields_load now part of differentiation list
1070    o pressure needs multiple storing;
1071      would be nice to have store_pressure at beginning or
1072      end of forward_step, e.g. by having phiHyd global (5-dim.)
1073      (NB: pressure is needed for certain cases in find_rho,
1074      which is also invoked through convective_adjustment).
1075    o recomputations in find_rho for cases
1076     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1077    o #define ATMOSPHERIC_LOADING should be differentiable
1078    o ini_forcing shifted to begining of initialise_varia
1079    o Incorporating QNVS line search routines into MITgcm
1080      (this is separate code, and therefore not under pkg)
1081      lsopt/, optim/
1082    o Updated verification/carbon/
1083      - #define GM_VISBECK_VARIABLE_K
1084      - GM_taper_scheme    = 'ldd97'    
1085    
1086    checkpoint46n_post
1087    Merging from release1_p8:
1088    o verification/natl_box:
1089      updating new external_fields_load routine
1090    o New package: pkg/seaice
1091      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1092      The sea-ice code is based on Hibler (1979-1980).
1093      Two sea-ice dynamic solvers, ADI and LSR, are included.
1094      In addition to computing prognostic sea-ice variables and diagnosing
1095      the forcing/external data fields that drive the ocean model,
1096      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1097      The implied surface heat flux is then stored in variable
1098      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1099      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1100      non-local transport term.  Because this call precedes model
1101      thermodynamics, temperature under sea-ice may not be "exactly" at
1102      the freezing point by the time theta is dumped or time-averaged.
1103      N.B.: fairly large differences in accuracy occur across
1104            different platforms/compilers; comparison between
1105            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1106            generated output gives:
1107       T           S           U           V
1108      C D M    c        m  s        m  s        m  s        m  s
1109      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1110      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1111      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1112    
1113      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1114    o GAD:
1115      - generated new common blocks to account for call of
1116        same gad routines with differing traceridentities
1117        (needed to modify tracerIdentity indices in GAD.h)
1118      - generated separate common blocks for case useCubedSphereExchange
1119        (Department of Futurology)
1120      - parameter lists to gmredi_?transport: added tracerIdentity
1121      - added new key indices to tamc.h
1122    o external_fields_load:
1123      - added this routine to TAF list
1124      - needed to make some common blocks global and additional storing
1125        along the same lines as exf package (checkpoint_lev?_directives.h)
1126    o exf:
1127      updated external forcing package
1128      - bug fixes carried over from ecco-branch
1129        (missing OBCS_OPTIONS.h in two routines)
1130      - enable easy to use "no forcing".
1131      - added exf I/O for atmospheric loading
1132      - added exf I/O for runoff data
1133      - transfered scaling between exf <-> MITgcm to exf namelist
1134    o Adding new verification experiment global_with_exf.
1135      This verification experiment is almost identical to the
1136      global_ocean.90x40x15 experiment, except that it uses
1137      the exf (and cal) package instead of the
1138      external_fields_load routine (cf README file).
1139    
1140    checkpoint46m_post
1141    o modified testscript to return -- when there are no lines of "%MON" output
1142    o added new flag "quasiHydrostatic" for QH mode
1143      and new routine quasihydrostaticterms()
1144    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1145      New routine: mom_u_coriolis_nh()
1146    o fixed sign of non-hydrostatic metric terms in u and v equations.
1147      Depend on correct sign of gravitySign.
1148  o added work.pc* to .cvsignore in aim directories using ifc  o added work.pc* to .cvsignore in aim directories using ifc
1149  o introduced flag for controllin non-hydrostatic metric terms  o introduced flag for controllin non-hydrostatic metric terms
1150  o removed gravitySign from PARM04  o removed gravitySign from PARM04

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