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revision 1.835 by gforget, Fri Jun 15 05:09:24 2007 UTC revision 1.913 by jmc, Wed Nov 28 16:52:16 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 fix un-initialised variable problem (in mom_vecinv & shap_filt):
8      all experiments pass when compile with un-initilised var. checking option.
9    o added pkg/salt_plume
10    o script to test restart (for now, in MITgcm_contrib/jmc_script)
11    o pkg/seaice: new read/write pickup version.
12      read meta file and write only fields which are needed to restart.
13      ( same logic as main pickup file ; also using pickupStrictlyMatch )
14    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
15    o lab_sea.hb87: modify the domain & update output.hb87.txt :
16      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
17      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
18      process. Fixed here by closing the domain at the Northern boundary.
19    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
20    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
21      a set of consecutive levels in/from a 3-D array.
22    o pkg/ptracers:
23      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
24      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
25    
26    checkpoint59j
27    o in pkgs: dic, obcs, offline, rbcs:
28      standard way to compute coeff. for time interpolation between 2 time reccords
29      which retains full precision (& make results less dependent on compiler).
30      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
31    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
32      packages instead of reading ice cover and wind speed separately
33    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
34     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
35      to allow to compile customized code before the update)
36    o cleaning-up:
37      - fix CPP instruction syntax in pkg/obcs
38      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
39        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
40      - fix some threads issue in IO parts.
41    o pkg/dic:
42      - add tons of "_d 0" (--> much better testreports !)
43       and then update outputs of tutorial_global_oce_biogeo
44    o pkg/mom_fluxform:
45      add a special version of momentum advection intended to conserve momentum
46      next to a bathymetry step or a coastline edge. (default = off = #undef)
47    o new read/write pickup version:
48      - for now, only implemented for main (mdsio) pickup file.
49      - write out only what is needed to restart; merge pickup_nh , pickup_ph
50        and main pickup together.
51      - read meta file; read only what is needed to restart; stop if a field
52        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
53        if it make sense (even if the restart is not perfect).
54      - if no meta file, assume that pickup to read corresponds exactly to
55        a pickup that would currently be written.
56      - read pickup written in the old format (until checkpoint59i) if it
57        recognizes an old meta file (no field-list).
58      - add a meta file in exp. which starts from a pickup: 2 cases:
59        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
60         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
61        b) a meta file describing the content of the associated pickup file
62         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
63    o pkg/mdsio & pkg/rw:
64      - new routine to read a meta file ; new set of routine to read
65        Multiple-fields file (with meta file).
66    o added open boundary conditions capability for seaice
67        HSNOW, HSALT, UICE, and VICE
68    
69    checkpoint59i
70    o adjoint:
71      * fix multiDimAdvection adjoint
72        (partial recomputation problem by TAF for fVerT(:,:,kDown)
73        and comlev1 size definition (maxpass vs. max. number of tracers)
74      * verification/global_ocean.90x45x15 adjoint now tests
75        NLFS and multiDimAdvection using DST3 (=30)
76      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
77    o pkg/kpp: add "_d 0" to real constant (if missing);
78      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
79      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
80    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
81      for internal parameters related to restart process (formerly from PARAMS.h)
82      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
83    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
84      as argument. (only atm2d & obcs write_pickup have not yet been updated)
85    o pkg/monitor:
86      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
87      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
88      - account for deep Atmosphere factor and density factor (anelastic)
89    o added open boundary conditions capability for seaice HEFF and AREA
90    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
91      thermodynamics
92      - requires a little reorganization, which affects the testreport results
93        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
94        so that now the conservative form is tested
95      - add a few comments
96    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
97    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
98    o add new diagnostics to seaice: advective, diffusive fluxes (only for
99      multidim-advection, for scheme 2 they are not filled) and transports,
100      thermodynamic growth rates
101    o change units of EmPmR (inside the code, + within coupling interface)
102      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
103      Affects results @ truncation level (cg2d match) and update output of
104       experiments: lab_sea(6), global_ocean.90x40x15(10),
105      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
106      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
107      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
108      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
109    
110    checkpoint59h
111    o pkg/exf:
112      - improve vectorization by moving if-statement out of loops in
113        exf_mapfields, exf_radiation
114      - exf_bulkformulae.F: introduce 2D fields and vectorize code
115    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
116    o testreport:
117      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
118        monitor & update offline_exf_seaice exp. output.
119      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
120    o pkg/seaice:
121      - bug fix in the evp solver: boundary conditions were affected be
122        masking of zMax/zMin (changes results)
123      - minor bug fix in boundary conditions in seaice_calc_strainrates
124        (changes results for no_slip)
125      - seaice_lsr.F: make interpolation of eta dependent on boundaries
126      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
127      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
128        stress formulation and no-slip boundary conditions
129    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
130      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
131    o pkg/seaice: a first HSALT time stepping equation has been checked in
132    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
133      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
134      without requiring DO-IF statements
135    o pkg/thsice:
136      use continuous power-law function for partition of energy between lateral
137      melting/freezing and thinning/thickening ; old code using step function
138      still available with #undef THSICE_FRACEN_POWERLAW
139      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
140    o testreport: change AD testing : check against results/output_adm.txt
141      using same scripts as for forward test.
142    
143    checkpoint59g
144    o adjoint testing: in preparation for changing testreport:
145      - output format: cost and grad written on separated lines
146      - ad output results in directory "results" (instead of "results_ad")
147    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
148    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
149    o pkg/ecco: allow user defined cost function contributions
150    o testreport:
151      Allow to choose (per experiment) the list of tested output variables
152       and the main variable (used to issue a pass/FAIL ) ;
153      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
154      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
155      Also modify printing of summary:
156       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
157       b) echo the list of tested variables in the individual summary.txt of
158          each experiment.
159    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
160      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
161      (but still depend on the tile decompostion of the domain).
162    o pkg/seaice: change a discretization detail to make the B-grid code
163      "more symmetric". This change is likely to remove all "ridges/leads" that
164      where quasi-aligned with the grid in B-grid solutions. It may also be
165      the solution to the stress coupling issues with the B-grid.
166    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
167      remove .cvsignore from input dir. (since testreport no longer run here).
168    o pkg/thsice:
169     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
170     - fix reshaping of sea-ice just after advection:
171       melt all the ice only if ice-volume is too small.
172     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
173       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
174     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
175    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
176      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
177    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
178      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
179      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
180      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
181      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
182      -> update output.txt
183    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
184     this affects truncation error: -> update output.txt of exp:
185      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
186      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
187    
188    checkpoint59f
189    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
190    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
191      a bounded range (in forward mode)
192    o pkg/ecco, ctrl, autodiff and mom_common:
193     internal parameter controls, completements of implementations
194    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
195    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
196      (not seem any difference in testing results).
197    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
198       at face corners.
199    o pkg/generic_advdiff:
200     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
201      loop range indices for computing vertical advection tendency
202      and do the calculation in the interior only (no overlap) ;
203      for now, only implemented for SOM advection (to save CPU time).
204     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
205    o exch2 adjoint
206      First set of changes:
207      - add exch2 hand-written adjoint templates
208      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
209        This will require cleanup in pkg/autodiff/*.F
210        (changed routines currently kept separate in verif. code/)
211      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
212        that used to hide exch2 or cubed-sphere specific code
213        (commented via 'cph-exch2')
214    o pkg/seaice
215      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
216    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
217       output of global_ocean.cs32x15.thsice .
218    
219    checkpoint59e
220    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
221      for B-grid vector (not yet tested) and C-grid vector (<- only used
222      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
223    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
224      (#ifdef ALLOW_SALT_PLUME)
225    o gather_2d/scatter_2d: removed halo regions
226    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
227      scheme and the corresponding test case (under front_relax dir). For now,
228      only available with Skew-flux form and not yet tested in realistic set-up.
229      adjoint: store directives updated, but gradient checks deteriorated,
230      so maybe GM/Redi adjoint is now broken.
231    o seaice adjoint
232      * add AREA, HEFF, HSNOW as control variable
233        (should not change lab_sea results)
234      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
235    o pkg/seaice:
236      * added computation of saltFlux in seaice_growth;
237        For time being, sea ice salinity is assumed constant
238        contribution of snow flooding to freshening of sea ice is neglected.
239        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
240        defaults to 0.0 in order to maintain backward compatibility.
241        Typical values for SEAICE_salinity are 4 to 10 g/kg.
242      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
243      * added SEAICE_availHeatFrac, which specifies fraction of surface level
244        heat content used to melt or grow ice
245      * commented out cap of HICE: it helps keep ice thinner
246      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
247      * applied OBCS T/S mask to HEFFM sea ice mask
248    
249    checkpoint59d
250    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
251     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
252     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
253    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
254     and change default value of parameter "GM_Small_Number";
255     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
256       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
257       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
258    o pkg/ecco: cost function when applying pkg/smooth to controls
259    o pkg/ctrl: add forcingPrecond run time parameter
260    o pkg/seaice:
261     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
262     - fix bug in metric terms of u-equation in LSR solver (implicit part),
263       changes verification/lab_sea
264     - rearrange implicit part of u-equation in LSR solver to make it easier to
265       read, understand, and debug. This causes changes at the truncation level.
266     - fix (serious) bug in the boundary conditions (sign error in the implicit
267       part) of the LSR solver. Changes all LSR results.
268     - fixed problem with HSNOW initialization to avoid thick snow when AREA
269       is initilized with small values - does not change lab_sea results.
270     - added HsnowFile initialization capability
271    o pkg/smooth: addition to model/src and pkg/ctrl so allow
272     initialization of pkg/smooth and application to control vector
273    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
274    o dependencies: pkg/profiles requires pkg/cal
275  o pkg/profiles:  o pkg/profiles:
276   - added option ALLOW_PROFILES_GENERICGRID   - added option ALLOW_PROFILES_GENERICGRID
277       -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming       -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
# Line 13  o pkg/profiles: Line 281  o pkg/profiles:
281       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
282   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
283     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.
   
284  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
285  o pkg/seaice:  o pkg/seaice:
286   - 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 147  o in FFIELDS.h: Line 414  o in FFIELDS.h:
414       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
415  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
416  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
417      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
418        are no longer updating the vertical diffusivity array
419        (passed as argument) but are (re-) setting those arrays.
420  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
421    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
422      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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