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revision 1.803 by mlosch, Mon Apr 30 22:48:52 2007 UTC revision 1.875 by dimitri, Mon Sep 17 23:03:08 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: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
8      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
9      without requiring DO-IF statements
10    
11    checkpoint59g
12    o adjoint testing: in preparation for changing testreport:
13      - output format: cost and grad written on separated lines
14      - ad output results in directory "results" (instead of "results_ad")
15    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
16    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
17    o pkg/ecco: allow user defined cost function contributions
18    o testreport:
19      Allow to choose (per experiment) the list of tested output variables
20       and the main variable (used to issue a pass/FAIL ) ;
21      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
22      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
23      Also modify printing of summary:
24       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
25       b) echo the list of tested variables in the individual summary.txt of
26          each experiment.
27    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
28      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
29      (but still depend on the tile decompostion of the domain).
30    o pkg/seaice: change a discretization detail to make the B-grid code
31      "more symmetric". This change is likely to remove all "ridges/leads" that
32      where quasi-aligned with the grid in B-grid solutions. It may also be
33      the solution to the stress coupling issues with the B-grid.
34    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
35      remove .cvsignore from input dir. (since testreport no longer run here).
36    o pkg/thsice:
37     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
38     - fix reshaping of sea-ice just after advection:
39       melt all the ice only if ice-volume is too small.
40     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
41       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
42     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
43    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
44      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
45    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
46      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
47      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
48      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
49      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
50      -> update output.txt
51    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
52     this affects truncation error: -> update output.txt of exp:
53      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
54      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
55    
56    checkpoint59f
57    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
58    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
59      a bounded range (in forward mode)
60    o pkg/ecco, ctrl, autodiff and mom_common:
61     internal parameter controls, completements of implementations
62    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
63    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
64      (not seem any difference in testing results).
65    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
66       at face corners.
67    o pkg/generic_advdiff:
68     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
69      loop range indices for computing vertical advection tendency
70      and do the calculation in the interior only (no overlap) ;
71      for now, only implemented for SOM advection (to save CPU time).
72     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
73    o exch2 adjoint
74      First set of changes:
75      - add exch2 hand-written adjoint templates
76      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
77        This will require cleanup in pkg/autodiff/*.F
78        (changed routines currently kept separate in verif. code/)
79      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
80        that used to hide exch2 or cubed-sphere specific code
81        (commented via 'cph-exch2')
82    o pkg/seaice
83      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
84    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
85       output of global_ocean.cs32x15.thsice .
86    
87    checkpoint59e
88    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
89      for B-grid vector (not yet tested) and C-grid vector (<- only used
90      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
91    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
92      (#ifdef ALLOW_SALT_PLUME)
93    o gather_2d/scatter_2d: removed halo regions
94    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
95      scheme and the corresponding test case (under front_relax dir). For now,
96      only available with Skew-flux form and not yet tested in realistic set-up.
97      adjoint: store directives updated, but gradient checks deteriorated,
98      so maybe GM/Redi adjoint is now broken.
99    o seaice adjoint
100      * add AREA, HEFF, HSNOW as control variable
101        (should not change lab_sea results)
102      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
103    o pkg/seaice:
104      * added computation of saltFlux in seaice_growth;
105        For time being, sea ice salinity is assumed constant
106        contribution of snow flooding to freshening of sea ice is neglected.
107        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
108        defaults to 0.0 in order to maintain backward compatibility.
109        Typical values for SEAICE_salinity are 4 to 10 g/kg.
110      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
111      * added SEAICE_availHeatFrac, which specifies fraction of surface level
112        heat content used to melt or grow ice
113      * commented out cap of HICE: it helps keep ice thinner
114      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
115      * applied OBCS T/S mask to HEFFM sea ice mask
116    
117    checkpoint59d
118    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
119     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
120     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
121    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
122     and change default value of parameter "GM_Small_Number";
123     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
124       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
125       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
126    o pkg/ecco: cost function when applying pkg/smooth to controls
127    o pkg/ctrl: add forcingPrecond run time parameter
128    o pkg/seaice:
129     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
130     - fix bug in metric terms of u-equation in LSR solver (implicit part),
131       changes verification/lab_sea
132     - rearrange implicit part of u-equation in LSR solver to make it easier to
133       read, understand, and debug. This causes changes at the truncation level.
134     - fix (serious) bug in the boundary conditions (sign error in the implicit
135       part) of the LSR solver. Changes all LSR results.
136     - fixed problem with HSNOW initialization to avoid thick snow when AREA
137       is initilized with small values - does not change lab_sea results.
138     - added HsnowFile initialization capability
139    o pkg/smooth: addition to model/src and pkg/ctrl so allow
140     initialization of pkg/smooth and application to control vector
141    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
142    o dependencies: pkg/profiles requires pkg/cal
143    o pkg/profiles:
144     - added option ALLOW_PROFILES_GENERICGRID
145         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
146         that interpolation information (grid points and coefficients) is provided
147         within the netcdf input files.
148         -> sample matlab scripts can be found in MITgcm_contrib/gael
149         that allow you to prepare netcdf input files.
150     - also modified: cleaner include statements, cleaner error print statements,
151       cleaner stops when error, and more tests of the netcdf input files consistency.
152    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
153    o pkg/seaice:
154     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
155       requires a new routine: seaice_diagnostics_fill.F
156     - make sure that seaice does not move if not forced (pressure replacement
157       method, Hibler and Ip, 1995), changes results
158     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
159     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
160       It is turned off by default (=-1.), because it changes the results.
161     - make it possible to read AREA from a file, too.
162    
163    checkpoint59c
164    o add S/R and diagnostics for oceanic mixed-layer depth
165    o move GMRedi call after all vertical mixing schemes (including KPP)
166    o pkg/thsice:
167     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
168      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
169    o pkg/obcs:
170     - bug fix for balance code
171    o pkg/seaice:
172      - allow values of SEAICE_elasticParm > 1
173      - add new parameter SEAICE_evpTauRelax as an alternative
174        to SEAICE_elasticParm
175      - make lsr boundary conditions free slip (by default), changes result
176      - add code for no slip boundary conditions for lsr
177      - set minimum of zeta to zero (and not 4e8) (changes results)
178      - add a cap on AREA after advecting AREA if seaice_growth is not called
179    o change calculation of Visbeck K:
180      - no longer depend on tapering scheme; instead, compute slope (limited
181        by GM_maxSlope). this is equivalent to what was comuted before with
182        clipping or linear tappering.
183      - fix vertical averaging (wrong by 1/2 level)
184      - leave the old version (but will not be maintained) within
185        #ifdef OLD_VISBECK_CALC / #endif
186      - update output of exp. ideal_2D_oce
187    o change error catch in calc_r_star to improve vectorization
188    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
189      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
190    o adjoint:
191      Re-organized adjoint checkpointing according to Matt Mazloff
192      (but with modifs/completions/cleanups)
193      Storing is now bundled into large arrays to optimized I/O
194      (and second step in cleanup of the_main_loop)
195    
196    checkpoint59b
197    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
198      - export/import (between ocean & coupler) fields needed for ocean DIC.
199    o pkg/seaice:
200      - get rid of three more exchanges seaice_calc_viscosities (required
201        different loop boundaries in seaice_lsr and seaice_ocean_stress)
202      - bug fix in seaice_ocean_stress (update of lab_sea required)
203      - reduce loop boundaries to necessary minimum also in seaice_evp
204      - go back to the old way of computing deltaC/Z as the adjoint likes that
205        better
206    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
207      passive tracer to an Age Tracer) + update output.txt
208    o pkg/exf:
209      - implement A-grid / C-grid selection for wind-stress input files.
210      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
211      for now, in exf_bulk_largeyeager04.F only :
212      - change implementation for case where windspeed + 2. components wind-stress
213        are read-in. AND use rhoConstFresh to convert evap.
214    o pkg/seaice:
215      - use correct EXCH_UV for wind-forcing (on A-grid).
216      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
217        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
218    o pkg/exf:
219      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
220      EXF_INTERPOLATION:
221      - merge global_with_exf/code version of exf_interp_read.F
222        to the main code ;
223      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
224        reading the file ; Important: This options needs to be defined to recover
225        previous code.
226        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
227      - no longer loose real*8 precision along the way when using exf_iprec=64.
228    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
229      - change discretisation of evp-solver in order to avoid another exchange
230        (changes lab_sea) and clean up a little
231      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
232        help the adjoint (this also changes the results slightly)
233      - add a few "_d 0" where they had been missing in seaice_evp.F
234      - cleaning up: remove unused seaice_calc_rhs.F
235    o pkg/exf: some cleaning-up:
236      - change various "constants" into runtime parameters
237      - cleaned-up Large&Yeager04 routine which should eventually
238        replace exf_bulkformulae.F (changed names of S/R and CPP)
239        and merged various ALLOW_ATM_WIND options
240     only used with thsice pkg (in thsice_get_exf.F):
241      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
242        which are used when useStabilityFct_overIce=TRUE (= the default)
243      - change default values of ice & snow emissivity and scale downward LW
244        by ice & snow emissivity.
245    o pkg/thsice:
246     fix few little problems, in thsice_calc_thickn.F:
247      - growth vertically (and not laterally) if iceFrac == iceMaskMax
248      - melt only laterally if hIce < hThinIce (as the comments say)
249      and in thsice_extend.F:
250      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
251      - start to form ice as soon as the minimum ice-volume is reachable.
252     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
253      and cpl_aim+ocn
254    o pkg/kpp
255     - move computation of surface related input fields to KPP into a new
256       subroutine kpp_forcing_surf.F
257     - remove wrong (within bi,bj loops) EXCH calls.
258     - little cleaning (add argument myThid in last position, cvs header ...)
259     - for now, fix conservation problem by exchanging KPPviscAz (may not
260       be the best fix)
261    o pkg/seaice
262     - check for inconsistent evp parameter/cpp-flag combination
263     - remove leftover errIO flat for obsolete name list error handling
264    o OpenAD
265     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
266    
267    checkpoint59a
268  o pkg/seaice: some parameter clarifications and a little bit of clean up  o pkg/seaice: some parameter clarifications and a little bit of clean up
269  o pkg/thsice: rename run-time parameters:  o pkg/thsice: rename run-time parameters:
270     himin       -> hIceMin     himin       -> hIceMin
# Line 41  o pkg/seaice: fix bug in evp solver, whi Line 302  o pkg/seaice: fix bug in evp solver, whi
302      of evp, complete rewrite for lsr case (latter is does not yet work      of evp, complete rewrite for lsr case (latter is does not yet work
303      in all cases)      in all cases)
304  o pkg/kpp: add code to have mixing in shelf ice caverns  o pkg/kpp: add code to have mixing in shelf ice caverns
305      - add myThid to all kpp routines (long overdue)
306    
307  checkpoint59  checkpoint59
308  o pkg/exf:  o pkg/exf:

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