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revision 1.207 by dimitri, Thu Nov 13 06:35:13 2003 UTC revision 1.314 by jmc, Sat Jun 26 02:41:46 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 modifications to make FREEZE flux visible to pkg/kpp  o new parameter "nShapS": allow to treat differently S from T (nShapT)
7    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
8    
9    checkpoint53f_post
10    o modifications that affect AIM experiment results (update output.txt):
11      - no advection of S at top interface Nr (pkg/generic_advdiff)
12      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
13    o AIM pkg:
14      - include stability function into surf.Flux derivative relative to Tsurf
15      - calculate clear-sky radiation & surface temp. change (for diagnostics)
16    
17    checkpoint53e_post
18    o merged cylindrical coord configuration
19    o added rotating_tank experiment
20    checkpoint53e_pre
21    
22    checkpoint53d_post
23    o faulks upgraded: re-generate output.txt that have changed:
24       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
25    o Added Bryan and Lewis, 1979, vertical diffusivity profile
26    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
27    o added Sadourny discretization of Coriolis
28      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
29      - re-enabled use of omega3 (useAbsVorticity)
30    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
31      vector-invariant equations
32      - note: does *NOT* yet use same variable visc. for no-slip BC's.
33    o recoded the lateral boundary conditions for non-hydrostatic w, this time
34      hopefully without new bugs
35      - still to do: biharmonic friction for non-hydrostatic w
36    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
37    o regenerated output for global_ocean_ebm (using -ieee)
38    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
39      of mom_common/
40      - simple re-arrangement of instructions within computing loop
41    checkpoint53d_pre
42    
43    checkpoint53c_post
44    o new version of coupler for AIM+thSIce and Ocean models
45     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
46     - land: change Evaporation of snow
47     - aim with thSIce: fix bug in snow-precip.
48    o changes to calc_gw.F
49     - bug fix for w^2 term near the bottom boundary
50     - (hopefully) improve the lateral slip boundary condtions for use with
51        partial/looped cells
52      - because the bug fix changes two verification experiments anyway (exp5
53        and plume on slope), change the lateral boundary condition from half slip
54        to the value of no_slip_sides
55    o ebm package wasnt quite up to the parallel task. Fixed that.
56    o Adjoint of EBM package + verification
57      * TLM OK
58      * ADM not sufficient accuracy yet (needs further testing)
59    
60    checkpoint53b_post
61    o Commiting new energy balance model to repository
62      * package is pkg/ebm
63      * verif. is verification/global_ocean_ebm
64      * references are in ebm_driver.F
65    C      * X. Wang, P. Stone and J. Marotzke, 1999:
66    C        Global thermohaline circulation. Part I:
67    C        Sensitivity to atmospheric moisture transport.
68    C        J. Climate 12(1), 71-82
69    C      * X. Wang, P. Stone and J. Marotzke, 1999:
70    C        Global thermohaline circulation. Part II:
71    C        Sensitivity with interactive transport.
72    C        J. Climate 12(1), 83-91
73    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
74    C        Destabilization of the thermohaline circulation
75    C        by atmospheric eddy transports.
76    C        J. Climate 7(12), 1870-1882
77    o Will need long integration testing.
78    checkpoint53b_pre
79    
80    o created pkg/mom_common in preparation for variable viscosity code
81    o renamed and split ini_mnc_io
82    o pkg/land: only liquid water can diffuse or run-off
83    o AIM using land: soil wetness availability account for snow
84    o added printMapIncludesZeros to EEPARMS namelist
85    
86    checkpoint53a_post
87    o restore TAMC compatiility for exf_constants.h
88      (no usage of _d in .h)
89    o Additional storing in KPP in an attempt to fix
90      TAMC problem with adjoint of KPP code.
91      (no success...)
92      Identical code works fine with TAF.
93    o Fixed verification/natl_box_adjoint experiments.
94      Initial conditions for Experiments 4 and 5 are now
95      set to "SEAICE_initialHEFF=0", which is more reasonable,
96      and hence gives results closer to that of Experiment 2.
97      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
98    
99    checkpoint53
100    o stable checkpoint with up to date adjoint
101      TLM tests only run for 1st grdchk at the moment. Its unclear if
102      this is a code problem or a problem with resetting code for g_
103      variables that is being autogenerated wrong.
104      Otherwise:
105       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
106       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
107         are both still in chaos following their security messes.
108    
109    checkpoint52n_post
110    o various build (mostly genmake2) changes including:
111      - ability to build/run more easily within Cygwin and MacOS X
112      - more complicated Makefiles with a stronger dependence on Gnu Make
113    o pkg/seaice modifications
114      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
115        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
116        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
117      - changed proxy for geostrophic velocity and updated
118        verification/lab_sea/results/* accordingly
119      - removed ADI dynamic solver from pkg/seaice
120      - replaced all occurrences of 1/CSTICE or 1/CSUICE
121        they caused a segmentation fault under certain circumstances
122      - removed unused field WATR
123    o bug fix in exf-package:
124      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
125         now reflect that.
126    o small fixes in the cal-package:
127      - set reference date to first of January for the 'model'-calendar
128      - failing of cal_CheckDate in cal_FullDate now actually results in a
129        warning
130    o small modifications in exf-package to increase flexibility:
131      - change climtempfreeze from a constant to a runtime parameter that
132        is specified in data.exf_clim (default = -1.9)
133      - introduce runtime parameter windstressmax (default = 2.0) that is
134        specified in data.exf
135    o fix in pkg/thsice:
136      - update Evap (Tsf changes) to be consistent with Latent heat flux
137      - maintain snow precipitation unchanged (even if Tsf >=0).
138     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
139    
140    checkpoint52m_post
141    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
142      this does not change any of the results, because myIter=0 in swfrac always
143      lead to jwtype=2 (the default anyway), but the call makes little sense
144      as a default
145    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
146    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
147      atmospheric model (AIM) to use it ; add a "slab ocean" component.
148    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
149    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
150    o extending useSingleCpuIO option to work with new exch2 I/O format
151      - old-style, missing-tile I/O is still accessible by defining CPP
152        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
153    o monitor package can write to NetCDF files and/or STDOUT
154    o fix re-definition bug in MNC_GRID_INIT_ALL()
155    o doc/api_reference added
156      - a framework for building an API Reference Manual using all
157        the "protex" comments embedded in the code
158      - see pkg/generic_advdiff, pkg/mnc for examples
159    o MNC:
160      - make myThid the last argument for all subroutines
161      - new default for the grid files: NO halos
162      - add useMNC and other run-time flags
163      - separate per-file-group handling of the unlimited dimension
164      - early initialization of MNC w/ flags read at the eeboot stage
165        and lookup tables set in initialize_fixed
166      - write all MNC output to a freshly-created directory
167    o thermodynamics sea-ice (thsice) is now tested with testreport.
168    o test exp. advect_cs: use the standard cs32 grid ; update output.
169    o Added functionality to grdchk:
170      pick global i,j,k position (or nearest wet) where to perform check.
171    
172    checkpoint52l_post
173    o new land formulation:
174      a) use ground enthalpy as prognostic variable to ensure exact
175         energy conservation.
176      b) account for water temperature and for latent heat of freezing
177         in all processes (rain, run-off, ground storage)
178      c) compute surface and ground temperature implicitly.
179    o aim_v23 modification for new land model:
180      a) Treat separately land / ocean / sea-ice surface fluxes
181         to allow implicit computation of land & sea-ice surface temp.
182      b) add snow precipitation.
183    checkpoint52l_pre
184    
185    o fix problem (when 1 tile is empty) in min/max monitor.
186    o fix bug in timeAve (u,vZetatave in common block)
187    o no restoring terms under ice for pkg/seaice
188    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
189    o bug fix for pkg/seaice pickups
190    o change MNC call locations and add coordinate attributes
191    o mask vorticity at the corner ; affects global_ocean.cs output
192    o fix ini_curvilinear_grid ; test CS experiments with mpi
193    o aim.5l_cs: modify sea-ice fraction input file ; update output
194    o exf: Adding simple range check routine for exf fields after read
195    
196    checkpoint52k_post
197    o removed top-level directory "diags"
198      - we migrated these functions to pkg/timeave a long time ago
199    o fixed bug introduced in pkg/monitor
200    o accuracy ctrlprec = 32 insuffient for gradient checks using
201      averaged fields (I/O via cost_averages)
202      -> use ctrl.h in active_file*.F to control I/O precision.
203    o paramter list of CALL ADTHE_MAIN_LOOP
204    o added initial do_the_model_io to ecco
205    o set all ...Freq to zero after cost_final
206      taveFreq, dumpFreq, pChkptFreq
207    o MAIN and ECCO differentiability restored
208    
209    checkpoint52j_post
210    o fix nchklev in tamc.h for global_ocean...
211    o Bringing flow and store directives up-to-date
212    o Really weird thing!
213      call do_the_model_io from the_main_loop with parameters
214      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
215      TAF places a faulty re-call of initialise_varia
216      after cost_final call which should not be there!
217    checkpoint52j_pre
218    
219    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
220      error messages
221    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
222    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
223      debug output
224    o modfied mdsio_writefield.F to handle non-global files under exch2
225    o update AIM Cubed-Sphere exp (aim.5l_cs):
226      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
227    o update AIM Equatorial Channel exp:
228      use standard aim_v23 pkg and change the SST fields to be more realistic.
229    o globalFile now works with exch2
230    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
231      mon_vort3.F to make exch2 friendly with >1 tile per cube face
232    o limit timeave output for hi-res integrations
233    
234    checkpoint52i_post
235    o removed CPP_EEOPTIONS.h from verification/*/code
236    o updated the tiling for global_ocean_pressure
237    checkpoint52i_pre
238    
239    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
240      the old pkg/aim).
241    
242    checkpoint52h_pre
243    o shortened offending lines in exch2_send_rx?.template
244    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
245    o genmake2: add build & execute test for NetCDF code
246    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
247      old grid files, moved CPP_EEMACROS.h to pkg/exch2
248    o added useSingleCPUIO flag to monitor.F and mon_out.F
249    o added temporary hack for sea-ice dynamics on the cube:
250      metric terms are ignored and it is assumed that
251      there is no sea-ice on cube faces 1, 2, 4, and 5.
252    
253    checkpoint52f_post
254    o added exch2 cube routines to pkg/exch2
255    o modified hs94.cs-32x32x5 to use it
256    o added new grid files to hs94.cs-32x32x5
257    checkpoint52f_pre
258    
259    checkpoint52e_post
260    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
261      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
262    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
263      to work with implicit vertical advection and AB ;
264    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
265    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
266     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
267    checkpoint52e_pre
268    
269    o fix bug in impldiff when Nr=1 or Nr=2.
270    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
271    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
272    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
273      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
274    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
275    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
276    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
277    
278    checkpoint52d_post
279    o re-tiled many expts to allow comparison in multi-processor mode
280      - updated output accordingly
281      - changed hs94.128x64x5 to use intial T from file rather than use the
282        random number generator
283    o add infrastructure in model routines for fizhi and gridalt packages
284    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
285    o changes to permit hi-res, cubed-sphere, configuration
286      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
287      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
288      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
289        of surface winds for the cube
290      (A verification experiment, based on global_ocean.cs32x15, but with
291       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
292       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
293       complete with example surface forcing files and matlab scripts to look
294       at the output and compare it with that of global_ocean.cs32x15.)
295    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
296       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
297       to conform to the common rule.
298    o check-in the first version of the coupler + interfaces for multi-components
299       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
300       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
301       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
302       - ocean and atmos. share the same horizontal grid (no interpolation).
303       - exchanges between component and coupler is done in forward_step
304    o new verification experiment, cpl_aim+ocn:
305       coupled ocean - AIM atmosphere on cs32 grid.
306    
307    checkpoint52d_pre
308    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
309    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
310    
311    checkpoint52c_post
312    o Fixing OPTIONS files for use of exf:
313      - ALLOW_ECCO not needed
314      - ECCO_CPPOPTIONS.h should not be included from
315        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
316        as has been the case in the past
317      - All cal/exf related options are currently set in
318        single header file. Should remain so until we
319        agree on a consistent new policy.
320    o Removed all CPP options for cal package.
321      cal has no more CPP options.
322    o modified STOREs in GAD_ADVECTION
323    o corrected key comp. for passkey
324    
325    checkpoint52b_post
326    o new version: "thsice" of thermodynamic sea-ice pkg:
327     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
328     - modify fluxes but do not change theta directly;
329     - light cleaning of bulk_force pkg (still needed with thsice).
330     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
331       + output_thsice.txt to test thsice & bulk_force pkgs.
332    o put back grid & coriolis monitor output.
333    checkpoint52b_pre
334    
335    o call "do_the_model_io" at the beginning (=> dump initial state)
336    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
337    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
338      (need info on NUMBER_OF_PTRACERS)
339    o missing PTRACERS headers in some routines
340    o default tamc.h in pkg/autodiff supposed to crash
341      to ensure proper customization
342    
343    checkpoint52a_post
344    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
345    - moved surfaceTendencyTice from pkg/seaice to main code    - moved surfaceTendencyTice from pkg/seaice to main code
346    - FREEZE moved to FORWARD_STEP    - subroutine FREEZE_SURFACE now limits only surface temperature
347    - subroutine FREEZE now limits only surface temperature      and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
348      this means new output.txt for global_ocean.90x40x15,      => new output.txt for global_ocean.cs32x15 & global_with_exf
349      global_ocean.cs32x15, and global_with_exf, but note    - keep the old version of FREEZE for backward compatibility;
350      that results for these three experiments remain      global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
351      bit-identical to before if allowFreezing=.FALSE.    - corresponding modifs for TAF directives
352  o added surface flux output variables to TIMEAVE_STATVARS  o added surface flux output variables to TIMEAVE_STATVARS
353  o time-averaged output for pkg/ptracers  o time-averaged output for pkg/ptracers
354    o fix problem with ECCO-related divided adjoint
355      snapshot file was missing some ad-variables,
356      but no warning issued by TAF
357    
358  checkpoint52a_pre  checkpoint52a_pre
359  o some bug fixes for #undef REAL4_IS_SLOW  o some bug fixes for #undef REAL4_IS_SLOW

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