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revision 1.198 by edhill, Tue Oct 28 22:57:59 2003 UTC revision 1.323 by jmc, Wed Jul 7 02:12:08 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 staggerTimeStep & NLFS: rescale T & S surface tendencies.
7      affects (truncation error) output of lab_sea & natl_box exp.: updated
8    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
9    
10    checkpoint54a_post
11    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
12    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
13    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
14    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
15      + internal_wave (shift in writing cg2d_ini_res)
16    checkpoint54a_pre
17    
18    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
19      - modified verification/lab_sea and natl_box_adjoint accordingly
20    
21    checkpoint54
22    checkpoint53g_post
23    o prepare splitting of thermodynamics: store convect.counter in common block
24    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
25      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
26    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
27    o new parameter "nShapS": allow to treat differently S from T (nShapT)
28    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
29    o restore adjointability
30    
31    checkpoint53f_post
32    o modifications that affect AIM experiment results (update output.txt):
33      - no advection of S at top interface Nr (pkg/generic_advdiff)
34      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
35    o AIM pkg:
36      - include stability function into surf.Flux derivative relative to Tsurf
37      - calculate clear-sky radiation & surface temp. change (for diagnostics)
38    
39    checkpoint53e_post
40    o merged cylindrical coord configuration
41    o added rotating_tank experiment
42    checkpoint53e_pre
43    
44    checkpoint53d_post
45    o faulks upgraded: re-generate output.txt that have changed:
46       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
47    o Added Bryan and Lewis, 1979, vertical diffusivity profile
48    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
49    o added Sadourny discretization of Coriolis
50      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
51      - re-enabled use of omega3 (useAbsVorticity)
52    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
53      vector-invariant equations
54      - note: does *NOT* yet use same variable visc. for no-slip BC's.
55    o recoded the lateral boundary conditions for non-hydrostatic w, this time
56      hopefully without new bugs
57      - still to do: biharmonic friction for non-hydrostatic w
58    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
59    o regenerated output for global_ocean_ebm (using -ieee)
60    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
61      of mom_common/
62      - simple re-arrangement of instructions within computing loop
63    checkpoint53d_pre
64    
65    checkpoint53c_post
66    o new version of coupler for AIM+thSIce and Ocean models
67     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
68     - land: change Evaporation of snow
69     - aim with thSIce: fix bug in snow-precip.
70    o changes to calc_gw.F
71     - bug fix for w^2 term near the bottom boundary
72     - (hopefully) improve the lateral slip boundary condtions for use with
73        partial/looped cells
74      - because the bug fix changes two verification experiments anyway (exp5
75        and plume on slope), change the lateral boundary condition from half slip
76        to the value of no_slip_sides
77    o ebm package wasnt quite up to the parallel task. Fixed that.
78    o Adjoint of EBM package + verification
79      * TLM OK
80      * ADM not sufficient accuracy yet (needs further testing)
81    
82    checkpoint53b_post
83    o Commiting new energy balance model to repository
84      * package is pkg/ebm
85      * verif. is verification/global_ocean_ebm
86      * references are in ebm_driver.F
87    C      * X. Wang, P. Stone and J. Marotzke, 1999:
88    C        Global thermohaline circulation. Part I:
89    C        Sensitivity to atmospheric moisture transport.
90    C        J. Climate 12(1), 71-82
91    C      * X. Wang, P. Stone and J. Marotzke, 1999:
92    C        Global thermohaline circulation. Part II:
93    C        Sensitivity with interactive transport.
94    C        J. Climate 12(1), 83-91
95    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
96    C        Destabilization of the thermohaline circulation
97    C        by atmospheric eddy transports.
98    C        J. Climate 7(12), 1870-1882
99    o Will need long integration testing.
100    checkpoint53b_pre
101    
102    o created pkg/mom_common in preparation for variable viscosity code
103    o renamed and split ini_mnc_io
104    o pkg/land: only liquid water can diffuse or run-off
105    o AIM using land: soil wetness availability account for snow
106    o added printMapIncludesZeros to EEPARMS namelist
107    
108    checkpoint53a_post
109    o restore TAMC compatiility for exf_constants.h
110      (no usage of _d in .h)
111    o Additional storing in KPP in an attempt to fix
112      TAMC problem with adjoint of KPP code.
113      (no success...)
114      Identical code works fine with TAF.
115    o Fixed verification/natl_box_adjoint experiments.
116      Initial conditions for Experiments 4 and 5 are now
117      set to "SEAICE_initialHEFF=0", which is more reasonable,
118      and hence gives results closer to that of Experiment 2.
119      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
120    
121    checkpoint53
122    o stable checkpoint with up to date adjoint
123      TLM tests only run for 1st grdchk at the moment. Its unclear if
124      this is a code problem or a problem with resetting code for g_
125      variables that is being autogenerated wrong.
126      Otherwise:
127       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
128       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
129         are both still in chaos following their security messes.
130    
131    checkpoint52n_post
132    o various build (mostly genmake2) changes including:
133      - ability to build/run more easily within Cygwin and MacOS X
134      - more complicated Makefiles with a stronger dependence on Gnu Make
135    o pkg/seaice modifications
136      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
137        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
138        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
139      - changed proxy for geostrophic velocity and updated
140        verification/lab_sea/results/* accordingly
141      - removed ADI dynamic solver from pkg/seaice
142      - replaced all occurrences of 1/CSTICE or 1/CSUICE
143        they caused a segmentation fault under certain circumstances
144      - removed unused field WATR
145    o bug fix in exf-package:
146      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
147         now reflect that.
148    o small fixes in the cal-package:
149      - set reference date to first of January for the 'model'-calendar
150      - failing of cal_CheckDate in cal_FullDate now actually results in a
151        warning
152    o small modifications in exf-package to increase flexibility:
153      - change climtempfreeze from a constant to a runtime parameter that
154        is specified in data.exf_clim (default = -1.9)
155      - introduce runtime parameter windstressmax (default = 2.0) that is
156        specified in data.exf
157    o fix in pkg/thsice:
158      - update Evap (Tsf changes) to be consistent with Latent heat flux
159      - maintain snow precipitation unchanged (even if Tsf >=0).
160     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
161    
162    checkpoint52m_post
163    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
164      this does not change any of the results, because myIter=0 in swfrac always
165      lead to jwtype=2 (the default anyway), but the call makes little sense
166      as a default
167    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
168    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
169      atmospheric model (AIM) to use it ; add a "slab ocean" component.
170    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
171    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
172    o extending useSingleCpuIO option to work with new exch2 I/O format
173      - old-style, missing-tile I/O is still accessible by defining CPP
174        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
175    o monitor package can write to NetCDF files and/or STDOUT
176    o fix re-definition bug in MNC_GRID_INIT_ALL()
177    o doc/api_reference added
178      - a framework for building an API Reference Manual using all
179        the "protex" comments embedded in the code
180      - see pkg/generic_advdiff, pkg/mnc for examples
181    o MNC:
182      - make myThid the last argument for all subroutines
183      - new default for the grid files: NO halos
184      - add useMNC and other run-time flags
185      - separate per-file-group handling of the unlimited dimension
186      - early initialization of MNC w/ flags read at the eeboot stage
187        and lookup tables set in initialize_fixed
188      - write all MNC output to a freshly-created directory
189    o thermodynamics sea-ice (thsice) is now tested with testreport.
190    o test exp. advect_cs: use the standard cs32 grid ; update output.
191    o Added functionality to grdchk:
192      pick global i,j,k position (or nearest wet) where to perform check.
193    
194    checkpoint52l_post
195    o new land formulation:
196      a) use ground enthalpy as prognostic variable to ensure exact
197         energy conservation.
198      b) account for water temperature and for latent heat of freezing
199         in all processes (rain, run-off, ground storage)
200      c) compute surface and ground temperature implicitly.
201    o aim_v23 modification for new land model:
202      a) Treat separately land / ocean / sea-ice surface fluxes
203         to allow implicit computation of land & sea-ice surface temp.
204      b) add snow precipitation.
205    checkpoint52l_pre
206    
207    o fix problem (when 1 tile is empty) in min/max monitor.
208    o fix bug in timeAve (u,vZetatave in common block)
209    o no restoring terms under ice for pkg/seaice
210    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
211    o bug fix for pkg/seaice pickups
212    o change MNC call locations and add coordinate attributes
213    o mask vorticity at the corner ; affects global_ocean.cs output
214    o fix ini_curvilinear_grid ; test CS experiments with mpi
215    o aim.5l_cs: modify sea-ice fraction input file ; update output
216    o exf: Adding simple range check routine for exf fields after read
217    
218    checkpoint52k_post
219    o removed top-level directory "diags"
220      - we migrated these functions to pkg/timeave a long time ago
221    o fixed bug introduced in pkg/monitor
222    o accuracy ctrlprec = 32 insuffient for gradient checks using
223      averaged fields (I/O via cost_averages)
224      -> use ctrl.h in active_file*.F to control I/O precision.
225    o paramter list of CALL ADTHE_MAIN_LOOP
226    o added initial do_the_model_io to ecco
227    o set all ...Freq to zero after cost_final
228      taveFreq, dumpFreq, pChkptFreq
229    o MAIN and ECCO differentiability restored
230    
231    checkpoint52j_post
232    o fix nchklev in tamc.h for global_ocean...
233    o Bringing flow and store directives up-to-date
234    o Really weird thing!
235      call do_the_model_io from the_main_loop with parameters
236      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
237      TAF places a faulty re-call of initialise_varia
238      after cost_final call which should not be there!
239    checkpoint52j_pre
240    
241    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
242      error messages
243    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
244    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
245      debug output
246    o modfied mdsio_writefield.F to handle non-global files under exch2
247    o update AIM Cubed-Sphere exp (aim.5l_cs):
248      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
249    o update AIM Equatorial Channel exp:
250      use standard aim_v23 pkg and change the SST fields to be more realistic.
251    o globalFile now works with exch2
252    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
253      mon_vort3.F to make exch2 friendly with >1 tile per cube face
254    o limit timeave output for hi-res integrations
255    
256    checkpoint52i_post
257    o removed CPP_EEOPTIONS.h from verification/*/code
258    o updated the tiling for global_ocean_pressure
259    checkpoint52i_pre
260    
261    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
262      the old pkg/aim).
263    
264    checkpoint52h_pre
265    o shortened offending lines in exch2_send_rx?.template
266    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
267    o genmake2: add build & execute test for NetCDF code
268    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
269      old grid files, moved CPP_EEMACROS.h to pkg/exch2
270    o added useSingleCPUIO flag to monitor.F and mon_out.F
271    o added temporary hack for sea-ice dynamics on the cube:
272      metric terms are ignored and it is assumed that
273      there is no sea-ice on cube faces 1, 2, 4, and 5.
274    
275    checkpoint52f_post
276    o added exch2 cube routines to pkg/exch2
277    o modified hs94.cs-32x32x5 to use it
278    o added new grid files to hs94.cs-32x32x5
279    checkpoint52f_pre
280    
281    checkpoint52e_post
282    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
283      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
284    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
285      to work with implicit vertical advection and AB ;
286    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
287    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
288     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
289    checkpoint52e_pre
290    
291    o fix bug in impldiff when Nr=1 or Nr=2.
292    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
293    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
294    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
295      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
296    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
297    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
298    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
299    
300    checkpoint52d_post
301    o re-tiled many expts to allow comparison in multi-processor mode
302      - updated output accordingly
303      - changed hs94.128x64x5 to use intial T from file rather than use the
304        random number generator
305    o add infrastructure in model routines for fizhi and gridalt packages
306    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
307    o changes to permit hi-res, cubed-sphere, configuration
308      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
309      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
310      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
311        of surface winds for the cube
312      (A verification experiment, based on global_ocean.cs32x15, but with
313       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
314       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
315       complete with example surface forcing files and matlab scripts to look
316       at the output and compare it with that of global_ocean.cs32x15.)
317    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
318       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
319       to conform to the common rule.
320    o check-in the first version of the coupler + interfaces for multi-components
321       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
322       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
323       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
324       - ocean and atmos. share the same horizontal grid (no interpolation).
325       - exchanges between component and coupler is done in forward_step
326    o new verification experiment, cpl_aim+ocn:
327       coupled ocean - AIM atmosphere on cs32 grid.
328    
329    checkpoint52d_pre
330    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
331    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
332    
333    checkpoint52c_post
334    o Fixing OPTIONS files for use of exf:
335      - ALLOW_ECCO not needed
336      - ECCO_CPPOPTIONS.h should not be included from
337        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
338        as has been the case in the past
339      - All cal/exf related options are currently set in
340        single header file. Should remain so until we
341        agree on a consistent new policy.
342    o Removed all CPP options for cal package.
343      cal has no more CPP options.
344    o modified STOREs in GAD_ADVECTION
345    o corrected key comp. for passkey
346    
347    checkpoint52b_post
348    o new version: "thsice" of thermodynamic sea-ice pkg:
349     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
350     - modify fluxes but do not change theta directly;
351     - light cleaning of bulk_force pkg (still needed with thsice).
352     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
353       + output_thsice.txt to test thsice & bulk_force pkgs.
354    o put back grid & coriolis monitor output.
355    checkpoint52b_pre
356    
357    o call "do_the_model_io" at the beginning (=> dump initial state)
358    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
359    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
360      (need info on NUMBER_OF_PTRACERS)
361    o missing PTRACERS headers in some routines
362    o default tamc.h in pkg/autodiff supposed to crash
363      to ensure proper customization
364    
365    checkpoint52a_post
366    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
367      - moved surfaceTendencyTice from pkg/seaice to main code
368      - subroutine FREEZE_SURFACE now limits only surface temperature
369        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
370        => new output.txt for global_ocean.cs32x15 & global_with_exf
371      - keep the old version of FREEZE for backward compatibility;
372        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
373      - corresponding modifs for TAF directives
374    o added surface flux output variables to TIMEAVE_STATVARS
375    o time-averaged output for pkg/ptracers
376    o fix problem with ECCO-related divided adjoint
377      snapshot file was missing some ad-variables,
378      but no warning issued by TAF
379    
380    checkpoint52a_pre
381    o some bug fixes for #undef REAL4_IS_SLOW
382    
383    checkpoint52 = ecco_c52_e35
384    o after testing adjoints of checkpoint51u_post
385    
386    checkpoint51u_post
387    o this is the post-merge tag of the ecco-branch
388      (needs another clean checkout and re-testing)
389    o various natl_box_adjoint configs and results
390      but no input fields
391    o obcs adjoint not yet merged!
392    o adding ECCO global 1x1 and 2x2 degree configs
393    o updated/extended some store directives for seaice
394    o pkg/ecco now containes ecco-specific part of cost function
395    o top level routines the_main_loop, forward_step
396      supersede those in model/src/
397      previous input data.cost now in data.ecco
398      (new namelist ecco_cost_nml)
399    o in ctrl/ cleaned some cross-dependencies and updated CPP options
400    
401    checkpoint51t_post
402    o this is the pre-merge tag of the ecco-branch
403    
404    checkpoint51s_post
405    o cleanup: removed various obsolete #define-s
406    o pkg/grdchk
407      - renamed 'ph-grd 3' to 'grad-res'
408      - merged from ecco-branch
409        (remaining bug fixes for obcs gradient checks)
410      - additional high-precision output for testreport
411        (grep for 'precision_grdchk_result')
412    
413    checkpoint51r_post
414    o cleaned up or removed CPP_OPTIONS.h files
415    o updated results for some of the tests to reflect the new
416      optfiles (-ieee: -O0 instead of -O3)
417    
418    checkpoint51q_post
419    o cd_code:
420      - moved cd_scheme.F -> cd_code_scheme.F
421      - separate read_checkpoint from cd_code_ini_vars.F
422      - separated cd_code part from write_checkpoint
423      - updated AD_SOURCE, generated .flow
424      - added CD_CODE_VARS.h to the_main_loop
425      - Moving cd_code specific store dir.s to pkg/cd_code
426    o ctrl package totally restructured
427      - pack/unpack now optional and decoupled from
428        xx_/adxx_ I/O
429      - ctrl_pack/unpack cleaned
430        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
431      - confined inclusion of AD_CONFIG.h to where necessary.
432    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
433    
434    checkpoint51p_post
435  o create initial cd_code package  o create initial cd_code package
436      - WARNING: the initialization of fields within packages
437        is broken because INI_FIELDS (where READ_CHECKPOINT is
438        called) is called *before* PACKAGES_INIT_VARIABLES.
439        This seems to be backwards since
440        1) its important to initially zero the entire field including
441           the "halo" region
442        2) zeroing needs to be done *before* reading pickup info
443           and the pickup call might or might not happen in any
444           particular run
445      - this needs an overhaul for R2
446  o cleanup verification/*/code/GMREDI_OPTIONS.h  o cleanup verification/*/code/GMREDI_OPTIONS.h
447  o cleanup testreport  o cleanup testreport
448    

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