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revision 1.845 by jmc, Thu Jun 21 18:34:24 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  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,    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.    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  o seaice adjoint
234    * add AREA, HEFF, HSNOW as control variable    * add AREA, HEFF, HSNOW as control variable
235      (should not change lab_sea results)      (should not change lab_sea results)
236    * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40    * 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  checkpoint59d
252  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
# Line 180  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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