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revision 1.837 by mlosch, Sun Jun 17 09:22:06 2007 UTC revision 1.910 by mlosch, Wed Nov 14 16:01:11 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: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
8    o lab_sea.hb87: modify the domain & update output.hb87.txt :
9      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
10      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
11      process. Fixed here by closing the domain at the Northern boundary.
12    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
13    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
14      a set of consecutive levels in/from a 3-D array.
15    o pkg/ptracers:
16      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
17      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
18    
19    checkpoint59j
20    o in pkgs: dic, obcs, offline, rbcs:
21      standard way to compute coeff. for time interpolation between 2 time reccords
22      which retains full precision (& make results less dependent on compiler).
23      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
24    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
25      packages instead of reading ice cover and wind speed separately
26    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
27     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
28      to allow to compile customized code before the update)
29    o cleaning-up:
30      - fix CPP instruction syntax in pkg/obcs
31      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
32        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
33      - fix some threads issue in IO parts.
34    o pkg/dic:
35      - add tons of "_d 0" (--> much better testreports !)
36       and then update outputs of tutorial_global_oce_biogeo
37    o pkg/mom_fluxform:
38      add a special version of momentum advection intended to conserve momentum
39      next to a bathymetry step or a coastline edge. (default = off = #undef)
40    o new read/write pickup version:
41      - for now, only implemented for main (mdsio) pickup file.
42      - write out only what is needed to restart; merge pickup_nh , pickup_ph
43        and main pickup together.
44      - read meta file; read only what is needed to restart; stop if a field
45        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
46        if it make sense (even if the restart is not perfect).
47      - if no meta file, assume that pickup to read corresponds exactly to
48        a pickup that would currently be written.
49      - read pickup written in the old format (until checkpoint59i) if it
50        recognizes an old meta file (no field-list).
51      - add a meta file in exp. which starts from a pickup: 2 cases:
52        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
53         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
54        b) a meta file describing the content of the associated pickup file
55         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
56    o pkg/mdsio & pkg/rw:
57      - new routine to read a meta file ; new set of routine to read
58        Multiple-fields file (with meta file).
59    o added open boundary conditions capability for seaice
60        HSNOW, HSALT, UICE, and VICE
61    
62    checkpoint59i
63    o adjoint:
64      * fix multiDimAdvection adjoint
65        (partial recomputation problem by TAF for fVerT(:,:,kDown)
66        and comlev1 size definition (maxpass vs. max. number of tracers)
67      * verification/global_ocean.90x45x15 adjoint now tests
68        NLFS and multiDimAdvection using DST3 (=30)
69      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
70    o pkg/kpp: add "_d 0" to real constant (if missing);
71      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
72      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
73    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
74      for internal parameters related to restart process (formerly from PARAMS.h)
75      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
76    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
77      as argument. (only atm2d & obcs write_pickup have not yet been updated)
78    o pkg/monitor:
79      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
80      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
81      - account for deep Atmosphere factor and density factor (anelastic)
82    o added open boundary conditions capability for seaice HEFF and AREA
83    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
84      thermodynamics
85      - requires a little reorganization, which affects the testreport results
86        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
87        so that now the conservative form is tested
88      - add a few comments
89    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
90    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
91    o add new diagnostics to seaice: advective, diffusive fluxes (only for
92      multidim-advection, for scheme 2 they are not filled) and transports,
93      thermodynamic growth rates
94    o change units of EmPmR (inside the code, + within coupling interface)
95      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
96      Affects results @ truncation level (cg2d match) and update output of
97       experiments: lab_sea(6), global_ocean.90x40x15(10),
98      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
99      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
100      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
101      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
102    
103    checkpoint59h
104    o pkg/exf:
105      - improve vectorization by moving if-statement out of loops in
106        exf_mapfields, exf_radiation
107      - exf_bulkformulae.F: introduce 2D fields and vectorize code
108    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
109    o testreport:
110      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
111        monitor & update offline_exf_seaice exp. output.
112      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
113    o pkg/seaice:
114      - bug fix in the evp solver: boundary conditions were affected be
115        masking of zMax/zMin (changes results)
116      - minor bug fix in boundary conditions in seaice_calc_strainrates
117        (changes results for no_slip)
118      - seaice_lsr.F: make interpolation of eta dependent on boundaries
119      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
120      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
121        stress formulation and no-slip boundary conditions
122    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
123      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
124    o pkg/seaice: a first HSALT time stepping equation has been checked in
125    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
126      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
127      without requiring DO-IF statements
128    o pkg/thsice:
129      use continuous power-law function for partition of energy between lateral
130      melting/freezing and thinning/thickening ; old code using step function
131      still available with #undef THSICE_FRACEN_POWERLAW
132      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
133    o testreport: change AD testing : check against results/output_adm.txt
134      using same scripts as for forward test.
135    
136    checkpoint59g
137    o adjoint testing: in preparation for changing testreport:
138      - output format: cost and grad written on separated lines
139      - ad output results in directory "results" (instead of "results_ad")
140    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
141    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
142    o pkg/ecco: allow user defined cost function contributions
143    o testreport:
144      Allow to choose (per experiment) the list of tested output variables
145       and the main variable (used to issue a pass/FAIL ) ;
146      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
147      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
148      Also modify printing of summary:
149       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
150       b) echo the list of tested variables in the individual summary.txt of
151          each experiment.
152    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
153      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
154      (but still depend on the tile decompostion of the domain).
155    o pkg/seaice: change a discretization detail to make the B-grid code
156      "more symmetric". This change is likely to remove all "ridges/leads" that
157      where quasi-aligned with the grid in B-grid solutions. It may also be
158      the solution to the stress coupling issues with the B-grid.
159    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
160      remove .cvsignore from input dir. (since testreport no longer run here).
161    o pkg/thsice:
162     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
163     - fix reshaping of sea-ice just after advection:
164       melt all the ice only if ice-volume is too small.
165     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
166       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
167     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
168    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
169      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
170    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
171      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
172      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
173      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
174      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
175      -> update output.txt
176    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
177     this affects truncation error: -> update output.txt of exp:
178      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
179      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
180    
181    checkpoint59f
182    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
183    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
184      a bounded range (in forward mode)
185    o pkg/ecco, ctrl, autodiff and mom_common:
186     internal parameter controls, completements of implementations
187    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
188    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
189      (not seem any difference in testing results).
190    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
191       at face corners.
192    o pkg/generic_advdiff:
193     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
194      loop range indices for computing vertical advection tendency
195      and do the calculation in the interior only (no overlap) ;
196      for now, only implemented for SOM advection (to save CPU time).
197     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
198    o exch2 adjoint
199      First set of changes:
200      - add exch2 hand-written adjoint templates
201      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
202        This will require cleanup in pkg/autodiff/*.F
203        (changed routines currently kept separate in verif. code/)
204      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
205        that used to hide exch2 or cubed-sphere specific code
206        (commented via 'cph-exch2')
207    o pkg/seaice
208      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
209    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
210       output of global_ocean.cs32x15.thsice .
211    
212    checkpoint59e
213    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
214      for B-grid vector (not yet tested) and C-grid vector (<- only used
215      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
216    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
217      (#ifdef ALLOW_SALT_PLUME)
218    o gather_2d/scatter_2d: removed halo regions
219    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
220      scheme and the corresponding test case (under front_relax dir). For now,
221      only available with Skew-flux form and not yet tested in realistic set-up.
222      adjoint: store directives updated, but gradient checks deteriorated,
223      so maybe GM/Redi adjoint is now broken.
224    o seaice adjoint
225      * add AREA, HEFF, HSNOW as control variable
226        (should not change lab_sea results)
227      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
228    o pkg/seaice:
229      * added computation of saltFlux in seaice_growth;
230        For time being, sea ice salinity is assumed constant
231        contribution of snow flooding to freshening of sea ice is neglected.
232        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
233        defaults to 0.0 in order to maintain backward compatibility.
234        Typical values for SEAICE_salinity are 4 to 10 g/kg.
235      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
236      * added SEAICE_availHeatFrac, which specifies fraction of surface level
237        heat content used to melt or grow ice
238      * commented out cap of HICE: it helps keep ice thinner
239      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
240      * applied OBCS T/S mask to HEFFM sea ice mask
241    
242    checkpoint59d
243    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
244     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
245     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
246    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
247     and change default value of parameter "GM_Small_Number";
248     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
249       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
250       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
251    o pkg/ecco: cost function when applying pkg/smooth to controls
252    o pkg/ctrl: add forcingPrecond run time parameter
253    o pkg/seaice:
254     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
255     - fix bug in metric terms of u-equation in LSR solver (implicit part),
256       changes verification/lab_sea
257     - rearrange implicit part of u-equation in LSR solver to make it easier to
258       read, understand, and debug. This causes changes at the truncation level.
259     - fix (serious) bug in the boundary conditions (sign error in the implicit
260       part) of the LSR solver. Changes all LSR results.
261     - fixed problem with HSNOW initialization to avoid thick snow when AREA
262       is initilized with small values - does not change lab_sea results.
263     - added HsnowFile initialization capability
264    o pkg/smooth: addition to model/src and pkg/ctrl so allow
265     initialization of pkg/smooth and application to control vector
266  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
267  o dependencies: pkg/profiles requires pkg/cal  o dependencies: pkg/profiles requires pkg/cal
268  o pkg/profiles:  o pkg/profiles:
# Line 15  o pkg/profiles: Line 274  o pkg/profiles:
274       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
275   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
276     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.
   
277  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
278  o pkg/seaice:  o pkg/seaice:
279   - 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 149  o in FFIELDS.h: Line 407  o in FFIELDS.h:
407       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
408  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
409  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
410      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
411        are no longer updating the vertical diffusivity array
412        (passed as argument) but are (re-) setting those arrays.
413  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
414    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
415      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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