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revision 1.840 by dimitri, Wed Jun 20 14:08:22 2007 UTC revision 1.912 by dimitri, Wed Nov 28 00:18:16 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 added pkg/salt_plume
8    o script to test restart (for now, in MITgcm_contrib/jmc_script)
9    o pkg/seaice: new read/write pickup version.
10      read meta file and write only fields which are needed to restart.
11      ( same logic as main pickup file ; also using pickupStrictlyMatch )
12    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
13    o lab_sea.hb87: modify the domain & update output.hb87.txt :
14      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
15      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
16      process. Fixed here by closing the domain at the Northern boundary.
17    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
18    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
19      a set of consecutive levels in/from a 3-D array.
20    o pkg/ptracers:
21      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
22      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
23    
24    checkpoint59j
25    o in pkgs: dic, obcs, offline, rbcs:
26      standard way to compute coeff. for time interpolation between 2 time reccords
27      which retains full precision (& make results less dependent on compiler).
28      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
29    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
30      packages instead of reading ice cover and wind speed separately
31    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
32     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
33      to allow to compile customized code before the update)
34    o cleaning-up:
35      - fix CPP instruction syntax in pkg/obcs
36      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
37        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
38      - fix some threads issue in IO parts.
39    o pkg/dic:
40      - add tons of "_d 0" (--> much better testreports !)
41       and then update outputs of tutorial_global_oce_biogeo
42    o pkg/mom_fluxform:
43      add a special version of momentum advection intended to conserve momentum
44      next to a bathymetry step or a coastline edge. (default = off = #undef)
45    o new read/write pickup version:
46      - for now, only implemented for main (mdsio) pickup file.
47      - write out only what is needed to restart; merge pickup_nh , pickup_ph
48        and main pickup together.
49      - read meta file; read only what is needed to restart; stop if a field
50        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
51        if it make sense (even if the restart is not perfect).
52      - if no meta file, assume that pickup to read corresponds exactly to
53        a pickup that would currently be written.
54      - read pickup written in the old format (until checkpoint59i) if it
55        recognizes an old meta file (no field-list).
56      - add a meta file in exp. which starts from a pickup: 2 cases:
57        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
58         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
59        b) a meta file describing the content of the associated pickup file
60         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
61    o pkg/mdsio & pkg/rw:
62      - new routine to read a meta file ; new set of routine to read
63        Multiple-fields file (with meta file).
64    o added open boundary conditions capability for seaice
65        HSNOW, HSALT, UICE, and VICE
66    
67    checkpoint59i
68    o adjoint:
69      * fix multiDimAdvection adjoint
70        (partial recomputation problem by TAF for fVerT(:,:,kDown)
71        and comlev1 size definition (maxpass vs. max. number of tracers)
72      * verification/global_ocean.90x45x15 adjoint now tests
73        NLFS and multiDimAdvection using DST3 (=30)
74      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
75    o pkg/kpp: add "_d 0" to real constant (if missing);
76      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
77      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
78    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
79      for internal parameters related to restart process (formerly from PARAMS.h)
80      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
81    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
82      as argument. (only atm2d & obcs write_pickup have not yet been updated)
83    o pkg/monitor:
84      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
85      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
86      - account for deep Atmosphere factor and density factor (anelastic)
87    o added open boundary conditions capability for seaice HEFF and AREA
88    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
89      thermodynamics
90      - requires a little reorganization, which affects the testreport results
91        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
92        so that now the conservative form is tested
93      - add a few comments
94    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
95    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
96    o add new diagnostics to seaice: advective, diffusive fluxes (only for
97      multidim-advection, for scheme 2 they are not filled) and transports,
98      thermodynamic growth rates
99    o change units of EmPmR (inside the code, + within coupling interface)
100      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
101      Affects results @ truncation level (cg2d match) and update output of
102       experiments: lab_sea(6), global_ocean.90x40x15(10),
103      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
104      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
105      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
106      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
107    
108    checkpoint59h
109    o pkg/exf:
110      - improve vectorization by moving if-statement out of loops in
111        exf_mapfields, exf_radiation
112      - exf_bulkformulae.F: introduce 2D fields and vectorize code
113    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
114    o testreport:
115      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
116        monitor & update offline_exf_seaice exp. output.
117      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
118    o pkg/seaice:
119      - bug fix in the evp solver: boundary conditions were affected be
120        masking of zMax/zMin (changes results)
121      - minor bug fix in boundary conditions in seaice_calc_strainrates
122        (changes results for no_slip)
123      - seaice_lsr.F: make interpolation of eta dependent on boundaries
124      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
125      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
126        stress formulation and no-slip boundary conditions
127    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
128      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
129    o pkg/seaice: a first HSALT time stepping equation has been checked in
130    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
131      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
132      without requiring DO-IF statements
133    o pkg/thsice:
134      use continuous power-law function for partition of energy between lateral
135      melting/freezing and thinning/thickening ; old code using step function
136      still available with #undef THSICE_FRACEN_POWERLAW
137      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
138    o testreport: change AD testing : check against results/output_adm.txt
139      using same scripts as for forward test.
140    
141    checkpoint59g
142    o adjoint testing: in preparation for changing testreport:
143      - output format: cost and grad written on separated lines
144      - ad output results in directory "results" (instead of "results_ad")
145    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
146    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
147    o pkg/ecco: allow user defined cost function contributions
148    o testreport:
149      Allow to choose (per experiment) the list of tested output variables
150       and the main variable (used to issue a pass/FAIL ) ;
151      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
152      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
153      Also modify printing of summary:
154       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
155       b) echo the list of tested variables in the individual summary.txt of
156          each experiment.
157    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
158      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
159      (but still depend on the tile decompostion of the domain).
160    o pkg/seaice: change a discretization detail to make the B-grid code
161      "more symmetric". This change is likely to remove all "ridges/leads" that
162      where quasi-aligned with the grid in B-grid solutions. It may also be
163      the solution to the stress coupling issues with the B-grid.
164    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
165      remove .cvsignore from input dir. (since testreport no longer run here).
166    o pkg/thsice:
167     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
168     - fix reshaping of sea-ice just after advection:
169       melt all the ice only if ice-volume is too small.
170     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
171       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
172     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
173    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
174      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
175    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
176      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
177      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
178      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
179      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
180      -> update output.txt
181    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
182     this affects truncation error: -> update output.txt of exp:
183      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
184      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
185    
186    checkpoint59f
187    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
188    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
189      a bounded range (in forward mode)
190    o pkg/ecco, ctrl, autodiff and mom_common:
191     internal parameter controls, completements of implementations
192    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
193    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
194      (not seem any difference in testing results).
195    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
196       at face corners.
197    o pkg/generic_advdiff:
198     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
199      loop range indices for computing vertical advection tendency
200      and do the calculation in the interior only (no overlap) ;
201      for now, only implemented for SOM advection (to save CPU time).
202     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
203    o exch2 adjoint
204      First set of changes:
205      - add exch2 hand-written adjoint templates
206      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
207        This will require cleanup in pkg/autodiff/*.F
208        (changed routines currently kept separate in verif. code/)
209      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
210        that used to hide exch2 or cubed-sphere specific code
211        (commented via 'cph-exch2')
212    o pkg/seaice
213      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
214    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
215       output of global_ocean.cs32x15.thsice .
216    
217    checkpoint59e
218    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
219      for B-grid vector (not yet tested) and C-grid vector (<- only used
220      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
221    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
222      (#ifdef ALLOW_SALT_PLUME)
223    o gather_2d/scatter_2d: removed halo regions
224    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
225      scheme and the corresponding test case (under front_relax dir). For now,
226      only available with Skew-flux form and not yet tested in realistic set-up.
227      adjoint: store directives updated, but gradient checks deteriorated,
228      so maybe GM/Redi adjoint is now broken.
229    o seaice adjoint
230      * add AREA, HEFF, HSNOW as control variable
231        (should not change lab_sea results)
232      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
233    o pkg/seaice:
234      * added computation of saltFlux in seaice_growth;
235        For time being, sea ice salinity is assumed constant
236        contribution of snow flooding to freshening of sea ice is neglected.
237        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
238        defaults to 0.0 in order to maintain backward compatibility.
239        Typical values for SEAICE_salinity are 4 to 10 g/kg.
240      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
241      * added SEAICE_availHeatFrac, which specifies fraction of surface level
242        heat content used to melt or grow ice
243      * commented out cap of HICE: it helps keep ice thinner
244      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
245      * applied OBCS T/S mask to HEFFM sea ice mask
246    
247    checkpoint59d
248    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
249     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
250     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
251    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
252     and change default value of parameter "GM_Small_Number";
253     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
254       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
255       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
256    o pkg/ecco: cost function when applying pkg/smooth to controls
257    o pkg/ctrl: add forcingPrecond run time parameter
258  o pkg/seaice:  o pkg/seaice:
259   - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code   - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
260   - fix bug in metric terms of u-equation in LSR solver (implicit part),   - fix bug in metric terms of u-equation in LSR solver (implicit part),
# Line 28  o pkg/profiles: Line 279  o pkg/profiles:
279       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
280   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
281     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.
   
282  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
283  o pkg/seaice:  o pkg/seaice:
284   - 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 162  o in FFIELDS.h: Line 412  o in FFIELDS.h:
412       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
413  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
414  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
415      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
416        are no longer updating the vertical diffusivity array
417        (passed as argument) but are (re-) setting those arrays.
418  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
419    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
420      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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