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revision 1.838 by gforget, Tue Jun 19 03:44:19 2007 UTC revision 1.917 by jmc, Tue Dec 4 23:58:16 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
8    o pkg/exf: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting
9      UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.
10    
11    checkpoint59k
12    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
13      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
14    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
15      all experiments pass when compile with un-initilised var. checking option.
16    o added pkg/salt_plume
17    o script to test restart (for now, in MITgcm_contrib/jmc_script)
18    o pkg/seaice: new read/write pickup version.
19      read meta file and write only fields which are needed to restart.
20      ( same logic as main pickup file ; also using pickupStrictlyMatch )
21    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
22    o lab_sea.hb87: modify the domain & update output.hb87.txt :
23      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
24      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
25      process. Fixed here by closing the domain at the Northern boundary.
26    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
27    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
28      a set of consecutive levels in/from a 3-D array.
29    o pkg/ptracers:
30      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
31      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
32    
33    checkpoint59j
34    o in pkgs: dic, obcs, offline, rbcs:
35      standard way to compute coeff. for time interpolation between 2 time reccords
36      which retains full precision (& make results less dependent on compiler).
37      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
38    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
39      packages instead of reading ice cover and wind speed separately
40    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
41     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
42      to allow to compile customized code before the update)
43    o cleaning-up:
44      - fix CPP instruction syntax in pkg/obcs
45      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
46        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
47      - fix some threads issue in IO parts.
48    o pkg/dic:
49      - add tons of "_d 0" (--> much better testreports !)
50       and then update outputs of tutorial_global_oce_biogeo
51    o pkg/mom_fluxform:
52      add a special version of momentum advection intended to conserve momentum
53      next to a bathymetry step or a coastline edge. (default = off = #undef)
54    o new read/write pickup version:
55      - for now, only implemented for main (mdsio) pickup file.
56      - write out only what is needed to restart; merge pickup_nh , pickup_ph
57        and main pickup together.
58      - read meta file; read only what is needed to restart; stop if a field
59        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
60        if it make sense (even if the restart is not perfect).
61      - if no meta file, assume that pickup to read corresponds exactly to
62        a pickup that would currently be written.
63      - read pickup written in the old format (until checkpoint59i) if it
64        recognizes an old meta file (no field-list).
65      - add a meta file in exp. which starts from a pickup: 2 cases:
66        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
67         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
68        b) a meta file describing the content of the associated pickup file
69         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
70    o pkg/mdsio & pkg/rw:
71      - new routine to read a meta file ; new set of routine to read
72        Multiple-fields file (with meta file).
73    o added open boundary conditions capability for seaice
74        HSNOW, HSALT, UICE, and VICE
75    
76    checkpoint59i
77    o adjoint:
78      * fix multiDimAdvection adjoint
79        (partial recomputation problem by TAF for fVerT(:,:,kDown)
80        and comlev1 size definition (maxpass vs. max. number of tracers)
81      * verification/global_ocean.90x45x15 adjoint now tests
82        NLFS and multiDimAdvection using DST3 (=30)
83      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
84    o pkg/kpp: add "_d 0" to real constant (if missing);
85      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
86      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
87    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
88      for internal parameters related to restart process (formerly from PARAMS.h)
89      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
90    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
91      as argument. (only atm2d & obcs write_pickup have not yet been updated)
92    o pkg/monitor:
93      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
94      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
95      - account for deep Atmosphere factor and density factor (anelastic)
96    o added open boundary conditions capability for seaice HEFF and AREA
97    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
98      thermodynamics
99      - requires a little reorganization, which affects the testreport results
100        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
101        so that now the conservative form is tested
102      - add a few comments
103    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
104    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
105    o add new diagnostics to seaice: advective, diffusive fluxes (only for
106      multidim-advection, for scheme 2 they are not filled) and transports,
107      thermodynamic growth rates
108    o change units of EmPmR (inside the code, + within coupling interface)
109      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
110      Affects results @ truncation level (cg2d match) and update output of
111       experiments: lab_sea(6), global_ocean.90x40x15(10),
112      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
113      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
114      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
115      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
116    
117    checkpoint59h
118    o pkg/exf:
119      - improve vectorization by moving if-statement out of loops in
120        exf_mapfields, exf_radiation
121      - exf_bulkformulae.F: introduce 2D fields and vectorize code
122    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
123    o testreport:
124      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
125        monitor & update offline_exf_seaice exp. output.
126      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
127    o pkg/seaice:
128      - bug fix in the evp solver: boundary conditions were affected be
129        masking of zMax/zMin (changes results)
130      - minor bug fix in boundary conditions in seaice_calc_strainrates
131        (changes results for no_slip)
132      - seaice_lsr.F: make interpolation of eta dependent on boundaries
133      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
134      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
135        stress formulation and no-slip boundary conditions
136    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
137      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
138    o pkg/seaice: a first HSALT time stepping equation has been checked in
139    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
140      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
141      without requiring DO-IF statements
142    o pkg/thsice:
143      use continuous power-law function for partition of energy between lateral
144      melting/freezing and thinning/thickening ; old code using step function
145      still available with #undef THSICE_FRACEN_POWERLAW
146      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
147    o testreport: change AD testing : check against results/output_adm.txt
148      using same scripts as for forward test.
149    
150    checkpoint59g
151    o adjoint testing: in preparation for changing testreport:
152      - output format: cost and grad written on separated lines
153      - ad output results in directory "results" (instead of "results_ad")
154    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
155    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
156    o pkg/ecco: allow user defined cost function contributions
157    o testreport:
158      Allow to choose (per experiment) the list of tested output variables
159       and the main variable (used to issue a pass/FAIL ) ;
160      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
161      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
162      Also modify printing of summary:
163       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
164       b) echo the list of tested variables in the individual summary.txt of
165          each experiment.
166    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
167      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
168      (but still depend on the tile decompostion of the domain).
169    o pkg/seaice: change a discretization detail to make the B-grid code
170      "more symmetric". This change is likely to remove all "ridges/leads" that
171      where quasi-aligned with the grid in B-grid solutions. It may also be
172      the solution to the stress coupling issues with the B-grid.
173    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
174      remove .cvsignore from input dir. (since testreport no longer run here).
175    o pkg/thsice:
176     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
177     - fix reshaping of sea-ice just after advection:
178       melt all the ice only if ice-volume is too small.
179     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
180       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
181     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
182    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
183      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
184    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
185      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
186      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
187      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
188      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
189      -> update output.txt
190    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
191     this affects truncation error: -> update output.txt of exp:
192      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
193      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
194    
195    checkpoint59f
196    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
197    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
198      a bounded range (in forward mode)
199    o pkg/ecco, ctrl, autodiff and mom_common:
200     internal parameter controls, completements of implementations
201    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
202    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
203      (not seem any difference in testing results).
204    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
205       at face corners.
206    o pkg/generic_advdiff:
207     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
208      loop range indices for computing vertical advection tendency
209      and do the calculation in the interior only (no overlap) ;
210      for now, only implemented for SOM advection (to save CPU time).
211     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
212    o exch2 adjoint
213      First set of changes:
214      - add exch2 hand-written adjoint templates
215      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
216        This will require cleanup in pkg/autodiff/*.F
217        (changed routines currently kept separate in verif. code/)
218      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
219        that used to hide exch2 or cubed-sphere specific code
220        (commented via 'cph-exch2')
221    o pkg/seaice
222      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
223    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
224       output of global_ocean.cs32x15.thsice .
225    
226    checkpoint59e
227    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
228      for B-grid vector (not yet tested) and C-grid vector (<- only used
229      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
230    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
231      (#ifdef ALLOW_SALT_PLUME)
232    o gather_2d/scatter_2d: removed halo regions
233    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
234      scheme and the corresponding test case (under front_relax dir). For now,
235      only available with Skew-flux form and not yet tested in realistic set-up.
236      adjoint: store directives updated, but gradient checks deteriorated,
237      so maybe GM/Redi adjoint is now broken.
238    o seaice adjoint
239      * add AREA, HEFF, HSNOW as control variable
240        (should not change lab_sea results)
241      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
242    o pkg/seaice:
243      * added computation of saltFlux in seaice_growth;
244        For time being, sea ice salinity is assumed constant
245        contribution of snow flooding to freshening of sea ice is neglected.
246        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
247        defaults to 0.0 in order to maintain backward compatibility.
248        Typical values for SEAICE_salinity are 4 to 10 g/kg.
249      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
250      * added SEAICE_availHeatFrac, which specifies fraction of surface level
251        heat content used to melt or grow ice
252      * commented out cap of HICE: it helps keep ice thinner
253      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
254      * applied OBCS T/S mask to HEFFM sea ice mask
255    
256    checkpoint59d
257    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
258     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
259     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
260    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
261     and change default value of parameter "GM_Small_Number";
262     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
263       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
264       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
265    o pkg/ecco: cost function when applying pkg/smooth to controls
266    o pkg/ctrl: add forcingPrecond run time parameter
267    o pkg/seaice:
268     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
269     - fix bug in metric terms of u-equation in LSR solver (implicit part),
270       changes verification/lab_sea
271     - rearrange implicit part of u-equation in LSR solver to make it easier to
272       read, understand, and debug. This causes changes at the truncation level.
273     - fix (serious) bug in the boundary conditions (sign error in the implicit
274       part) of the LSR solver. Changes all LSR results.
275     - fixed problem with HSNOW initialization to avoid thick snow when AREA
276       is initilized with small values - does not change lab_sea results.
277     - added HsnowFile initialization capability
278  o pkg/smooth: addition to model/src and pkg/ctrl so allow  o pkg/smooth: addition to model/src and pkg/ctrl so allow
279   initialization of pkg/smooth and application to control vector   initialization of pkg/smooth and application to control vector
280  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
# Line 17  o pkg/profiles: Line 288  o pkg/profiles:
288       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
289   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
290     cleaner stops when error, and more tests of the netcdf input files consistency.     cleaner stops when error, and more tests of the netcdf input files consistency.
   
291  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
292  o pkg/seaice:  o pkg/seaice:
293   - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this   - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
# Line 151  o in FFIELDS.h: Line 421  o in FFIELDS.h:
421       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
422  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
423  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
424      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
425        are no longer updating the vertical diffusivity array
426        (passed as argument) but are (re-) setting those arrays.
427  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
428    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
429      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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