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revision 1.841 by gforget, Wed Jun 20 19:39:04 2007 UTC revision 1.914 by dimitri, Thu Nov 29 16:29:12 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 pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
8      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
9    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
10      all experiments pass when compile with un-initilised var. checking option.
11    o added pkg/salt_plume
12    o script to test restart (for now, in MITgcm_contrib/jmc_script)
13    o pkg/seaice: new read/write pickup version.
14      read meta file and write only fields which are needed to restart.
15      ( same logic as main pickup file ; also using pickupStrictlyMatch )
16    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
17    o lab_sea.hb87: modify the domain & update output.hb87.txt :
18      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
19      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
20      process. Fixed here by closing the domain at the Northern boundary.
21    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
22    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
23      a set of consecutive levels in/from a 3-D array.
24    o pkg/ptracers:
25      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
26      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
27    
28    checkpoint59j
29    o in pkgs: dic, obcs, offline, rbcs:
30      standard way to compute coeff. for time interpolation between 2 time reccords
31      which retains full precision (& make results less dependent on compiler).
32      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
33    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
34      packages instead of reading ice cover and wind speed separately
35    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
36     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
37      to allow to compile customized code before the update)
38    o cleaning-up:
39      - fix CPP instruction syntax in pkg/obcs
40      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
41        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
42      - fix some threads issue in IO parts.
43    o pkg/dic:
44      - add tons of "_d 0" (--> much better testreports !)
45       and then update outputs of tutorial_global_oce_biogeo
46    o pkg/mom_fluxform:
47      add a special version of momentum advection intended to conserve momentum
48      next to a bathymetry step or a coastline edge. (default = off = #undef)
49    o new read/write pickup version:
50      - for now, only implemented for main (mdsio) pickup file.
51      - write out only what is needed to restart; merge pickup_nh , pickup_ph
52        and main pickup together.
53      - read meta file; read only what is needed to restart; stop if a field
54        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
55        if it make sense (even if the restart is not perfect).
56      - if no meta file, assume that pickup to read corresponds exactly to
57        a pickup that would currently be written.
58      - read pickup written in the old format (until checkpoint59i) if it
59        recognizes an old meta file (no field-list).
60      - add a meta file in exp. which starts from a pickup: 2 cases:
61        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
62         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
63        b) a meta file describing the content of the associated pickup file
64         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
65    o pkg/mdsio & pkg/rw:
66      - new routine to read a meta file ; new set of routine to read
67        Multiple-fields file (with meta file).
68    o added open boundary conditions capability for seaice
69        HSNOW, HSALT, UICE, and VICE
70    
71    checkpoint59i
72    o adjoint:
73      * fix multiDimAdvection adjoint
74        (partial recomputation problem by TAF for fVerT(:,:,kDown)
75        and comlev1 size definition (maxpass vs. max. number of tracers)
76      * verification/global_ocean.90x45x15 adjoint now tests
77        NLFS and multiDimAdvection using DST3 (=30)
78      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
79    o pkg/kpp: add "_d 0" to real constant (if missing);
80      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
81      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
82    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
83      for internal parameters related to restart process (formerly from PARAMS.h)
84      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
85    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
86      as argument. (only atm2d & obcs write_pickup have not yet been updated)
87    o pkg/monitor:
88      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
89      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
90      - account for deep Atmosphere factor and density factor (anelastic)
91    o added open boundary conditions capability for seaice HEFF and AREA
92    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
93      thermodynamics
94      - requires a little reorganization, which affects the testreport results
95        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
96        so that now the conservative form is tested
97      - add a few comments
98    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
99    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
100    o add new diagnostics to seaice: advective, diffusive fluxes (only for
101      multidim-advection, for scheme 2 they are not filled) and transports,
102      thermodynamic growth rates
103    o change units of EmPmR (inside the code, + within coupling interface)
104      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
105      Affects results @ truncation level (cg2d match) and update output of
106       experiments: lab_sea(6), global_ocean.90x40x15(10),
107      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
108      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
109      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
110      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
111    
112    checkpoint59h
113    o pkg/exf:
114      - improve vectorization by moving if-statement out of loops in
115        exf_mapfields, exf_radiation
116      - exf_bulkformulae.F: introduce 2D fields and vectorize code
117    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
118    o testreport:
119      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
120        monitor & update offline_exf_seaice exp. output.
121      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
122    o pkg/seaice:
123      - bug fix in the evp solver: boundary conditions were affected be
124        masking of zMax/zMin (changes results)
125      - minor bug fix in boundary conditions in seaice_calc_strainrates
126        (changes results for no_slip)
127      - seaice_lsr.F: make interpolation of eta dependent on boundaries
128      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
129      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
130        stress formulation and no-slip boundary conditions
131    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
132      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
133    o pkg/seaice: a first HSALT time stepping equation has been checked in
134    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
135      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
136      without requiring DO-IF statements
137    o pkg/thsice:
138      use continuous power-law function for partition of energy between lateral
139      melting/freezing and thinning/thickening ; old code using step function
140      still available with #undef THSICE_FRACEN_POWERLAW
141      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
142    o testreport: change AD testing : check against results/output_adm.txt
143      using same scripts as for forward test.
144    
145    checkpoint59g
146    o adjoint testing: in preparation for changing testreport:
147      - output format: cost and grad written on separated lines
148      - ad output results in directory "results" (instead of "results_ad")
149    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
150    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
151    o pkg/ecco: allow user defined cost function contributions
152    o testreport:
153      Allow to choose (per experiment) the list of tested output variables
154       and the main variable (used to issue a pass/FAIL ) ;
155      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
156      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
157      Also modify printing of summary:
158       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
159       b) echo the list of tested variables in the individual summary.txt of
160          each experiment.
161    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
162      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
163      (but still depend on the tile decompostion of the domain).
164    o pkg/seaice: change a discretization detail to make the B-grid code
165      "more symmetric". This change is likely to remove all "ridges/leads" that
166      where quasi-aligned with the grid in B-grid solutions. It may also be
167      the solution to the stress coupling issues with the B-grid.
168    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
169      remove .cvsignore from input dir. (since testreport no longer run here).
170    o pkg/thsice:
171     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
172     - fix reshaping of sea-ice just after advection:
173       melt all the ice only if ice-volume is too small.
174     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
175       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
176     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
177    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
178      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
179    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
180      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
181      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
182      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
183      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
184      -> update output.txt
185    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
186     this affects truncation error: -> update output.txt of exp:
187      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
188      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
189    
190    checkpoint59f
191    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
192    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
193      a bounded range (in forward mode)
194    o pkg/ecco, ctrl, autodiff and mom_common:
195     internal parameter controls, completements of implementations
196    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
197    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
198      (not seem any difference in testing results).
199    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
200       at face corners.
201    o pkg/generic_advdiff:
202     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
203      loop range indices for computing vertical advection tendency
204      and do the calculation in the interior only (no overlap) ;
205      for now, only implemented for SOM advection (to save CPU time).
206     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
207    o exch2 adjoint
208      First set of changes:
209      - add exch2 hand-written adjoint templates
210      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
211        This will require cleanup in pkg/autodiff/*.F
212        (changed routines currently kept separate in verif. code/)
213      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
214        that used to hide exch2 or cubed-sphere specific code
215        (commented via 'cph-exch2')
216    o pkg/seaice
217      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
218    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
219       output of global_ocean.cs32x15.thsice .
220    
221    checkpoint59e
222    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
223      for B-grid vector (not yet tested) and C-grid vector (<- only used
224      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
225    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
226      (#ifdef ALLOW_SALT_PLUME)
227    o gather_2d/scatter_2d: removed halo regions
228    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
229      scheme and the corresponding test case (under front_relax dir). For now,
230      only available with Skew-flux form and not yet tested in realistic set-up.
231      adjoint: store directives updated, but gradient checks deteriorated,
232      so maybe GM/Redi adjoint is now broken.
233    o seaice adjoint
234      * add AREA, HEFF, HSNOW as control variable
235        (should not change lab_sea results)
236      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
237    o pkg/seaice:
238      * added computation of saltFlux in seaice_growth;
239        For time being, sea ice salinity is assumed constant
240        contribution of snow flooding to freshening of sea ice is neglected.
241        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
242        defaults to 0.0 in order to maintain backward compatibility.
243        Typical values for SEAICE_salinity are 4 to 10 g/kg.
244      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
245      * added SEAICE_availHeatFrac, which specifies fraction of surface level
246        heat content used to melt or grow ice
247      * commented out cap of HICE: it helps keep ice thinner
248      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
249      * applied OBCS T/S mask to HEFFM sea ice mask
250    
251    checkpoint59d
252    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
253     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
254     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
255    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
256     and change default value of parameter "GM_Small_Number";
257     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
258       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
259       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
260  o pkg/ecco: cost function when applying pkg/smooth to controls  o pkg/ecco: cost function when applying pkg/smooth to controls
261  o pkg/ctrl: add forcingPrecond run time parameter  o pkg/ctrl: add forcingPrecond run time parameter
262  o pkg/seaice:  o pkg/seaice:
# Line 30  o pkg/profiles: Line 283  o pkg/profiles:
283       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
284   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
285     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.
   
286  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
287  o pkg/seaice:  o pkg/seaice:
288   - 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 164  o in FFIELDS.h: Line 416  o in FFIELDS.h:
416       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
417  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
418  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
419      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
420        are no longer updating the vertical diffusivity array
421        (passed as argument) but are (re-) setting those arrays.
422  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
423    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
424      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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