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revision 1.841 by gforget, Wed Jun 20 19:39:04 2007 UTC revision 1.928 by jmc, Tue Dec 18 16:19:53 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/salt_plume: added various options for salt plume depth
8      criterion and for vertical distribution of the salt
9    
10    checkpoint59l
11    o pkg/ptracers: new version of ptracers pickup:
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:
15      - add timescale for melting due to warm mixed layer as a means of
16        setting SEAICE_availHeatFrac more conveniently
17      - add a CPP-flag/runtime parameter check for flooding algorithm
18      - reformulated availHeat in seaice_growth.F to be independent of AREA
19    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
20      unit changes
21    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
22    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
23      SX vector computer.
24    o pkg/seaice:
25      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
26        seaice forcing fields can now be read only through pkg/exf
27      - removed some unused halos
28    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
29    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
30      or U/VICE from U/VWIND before computing U/VSTRESS
31    
32    checkpoint59k
33    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
34      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
35    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
36      all experiments pass when compile with un-initialised var. checking option.
37    o added pkg/salt_plume
38    o script to test restart (for now, in MITgcm_contrib/jmc_script)
39    o pkg/seaice: new read/write pickup version.
40      read meta file and write only fields which are needed to restart.
41      ( same logic as main pickup file ; also using pickupStrictlyMatch )
42    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
43    o lab_sea.hb87: modify the domain & update output.hb87.txt :
44      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
45      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
46      process. Fixed here by closing the domain at the Northern boundary.
47    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
48    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
49      a set of consecutive levels in/from a 3-D array.
50    o pkg/ptracers:
51      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
52      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
53    
54    checkpoint59j
55    o in pkgs: dic, obcs, offline, rbcs:
56      standard way to compute coeff. for time interpolation between 2 time reccords
57      which retains full precision (& make results less dependent on compiler).
58      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
59    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
60      packages instead of reading ice cover and wind speed separately
61    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
62     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
63      to allow to compile customized code before the update)
64    o cleaning-up:
65      - fix CPP instruction syntax in pkg/obcs
66      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
67        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
68      - fix some threads issue in IO parts.
69    o pkg/dic:
70      - add tons of "_d 0" (--> much better testreports !)
71       and then update outputs of tutorial_global_oce_biogeo
72    o pkg/mom_fluxform:
73      add a special version of momentum advection intended to conserve momentum
74      next to a bathymetry step or a coastline edge. (default = off = #undef)
75    o new read/write pickup version:
76      - for now, only implemented for main (mdsio) pickup file.
77      - write out only what is needed to restart; merge pickup_nh , pickup_ph
78        and main pickup together.
79      - read meta file; read only what is needed to restart; stop if a field
80        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
81        if it make sense (even if the restart is not perfect).
82      - if no meta file, assume that pickup to read corresponds exactly to
83        a pickup that would currently be written.
84      - read pickup written in the old format (until checkpoint59i) if it
85        recognizes an old meta file (no field-list).
86      - add a meta file in exp. which starts from a pickup: 2 cases:
87        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
88         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
89        b) a meta file describing the content of the associated pickup file
90         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
91    o pkg/mdsio & pkg/rw:
92      - new routine to read a meta file ; new set of routine to read
93        Multiple-fields file (with meta file).
94    o added open boundary conditions capability for seaice
95        HSNOW, HSALT, UICE, and VICE
96    
97    checkpoint59i
98    o adjoint:
99      * fix multiDimAdvection adjoint
100        (partial recomputation problem by TAF for fVerT(:,:,kDown)
101        and comlev1 size definition (maxpass vs. max. number of tracers)
102      * verification/global_ocean.90x45x15 adjoint now tests
103        NLFS and multiDimAdvection using DST3 (=30)
104      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
105    o pkg/kpp: add "_d 0" to real constant (if missing);
106      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
107      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
108    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
109      for internal parameters related to restart process (formerly from PARAMS.h)
110      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
111    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
112      as argument. (only atm2d & obcs write_pickup have not yet been updated)
113    o pkg/monitor:
114      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
115      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
116      - account for deep Atmosphere factor and density factor (anelastic)
117    o added open boundary conditions capability for seaice HEFF and AREA
118    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
119      thermodynamics
120      - requires a little reorganization, which affects the testreport results
121        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
122        so that now the conservative form is tested
123      - add a few comments
124    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
125    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
126    o add new diagnostics to seaice: advective, diffusive fluxes (only for
127      multidim-advection, for scheme 2 they are not filled) and transports,
128      thermodynamic growth rates
129    o change units of EmPmR (inside the code, + within coupling interface)
130      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
131      Affects results @ truncation level (cg2d match) and update output of
132       experiments: lab_sea(6), global_ocean.90x40x15(10),
133      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
134      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
135      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
136      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
137    
138    checkpoint59h
139    o pkg/exf:
140      - improve vectorization by moving if-statement out of loops in
141        exf_mapfields, exf_radiation
142      - exf_bulkformulae.F: introduce 2D fields and vectorize code
143    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
144    o testreport:
145      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
146        monitor & update offline_exf_seaice exp. output.
147      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
148    o pkg/seaice:
149      - bug fix in the evp solver: boundary conditions were affected be
150        masking of zMax/zMin (changes results)
151      - minor bug fix in boundary conditions in seaice_calc_strainrates
152        (changes results for no_slip)
153      - seaice_lsr.F: make interpolation of eta dependent on boundaries
154      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
155      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
156        stress formulation and no-slip boundary conditions
157    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
158      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
159    o pkg/seaice: a first HSALT time stepping equation has been checked in
160    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
161      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
162      without requiring DO-IF statements
163    o pkg/thsice:
164      use continuous power-law function for partition of energy between lateral
165      melting/freezing and thinning/thickening ; old code using step function
166      still available with #undef THSICE_FRACEN_POWERLAW
167      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
168    o testreport: change AD testing : check against results/output_adm.txt
169      using same scripts as for forward test.
170    
171    checkpoint59g
172    o adjoint testing: in preparation for changing testreport:
173      - output format: cost and grad written on separated lines
174      - ad output results in directory "results" (instead of "results_ad")
175    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
176    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
177    o pkg/ecco: allow user defined cost function contributions
178    o testreport:
179      Allow to choose (per experiment) the list of tested output variables
180       and the main variable (used to issue a pass/FAIL ) ;
181      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
182      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
183      Also modify printing of summary:
184       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
185       b) echo the list of tested variables in the individual summary.txt of
186          each experiment.
187    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
188      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
189      (but still depend on the tile decompostion of the domain).
190    o pkg/seaice: change a discretization detail to make the B-grid code
191      "more symmetric". This change is likely to remove all "ridges/leads" that
192      where quasi-aligned with the grid in B-grid solutions. It may also be
193      the solution to the stress coupling issues with the B-grid.
194    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
195      remove .cvsignore from input dir. (since testreport no longer run here).
196    o pkg/thsice:
197     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
198     - fix reshaping of sea-ice just after advection:
199       melt all the ice only if ice-volume is too small.
200     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
201       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
202     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
203    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
204      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
205    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
206      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
207      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
208      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
209      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
210      -> update output.txt
211    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
212     this affects truncation error: -> update output.txt of exp:
213      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
214      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
215    
216    checkpoint59f
217    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
218    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
219      a bounded range (in forward mode)
220    o pkg/ecco, ctrl, autodiff and mom_common:
221     internal parameter controls, completements of implementations
222    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
223    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
224      (not seem any difference in testing results).
225    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
226       at face corners.
227    o pkg/generic_advdiff:
228     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
229      loop range indices for computing vertical advection tendency
230      and do the calculation in the interior only (no overlap) ;
231      for now, only implemented for SOM advection (to save CPU time).
232     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
233    o exch2 adjoint
234      First set of changes:
235      - add exch2 hand-written adjoint templates
236      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
237        This will require cleanup in pkg/autodiff/*.F
238        (changed routines currently kept separate in verif. code/)
239      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
240        that used to hide exch2 or cubed-sphere specific code
241        (commented via 'cph-exch2')
242    o pkg/seaice
243      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
244    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
245       output of global_ocean.cs32x15.thsice .
246    
247    checkpoint59e
248    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
249      for B-grid vector (not yet tested) and C-grid vector (<- only used
250      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
251    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
252      (#ifdef ALLOW_SALT_PLUME)
253    o gather_2d/scatter_2d: removed halo regions
254    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
255      scheme and the corresponding test case (under front_relax dir). For now,
256      only available with Skew-flux form and not yet tested in realistic set-up.
257      adjoint: store directives updated, but gradient checks deteriorated,
258      so maybe GM/Redi adjoint is now broken.
259    o seaice adjoint
260      * add AREA, HEFF, HSNOW as control variable
261        (should not change lab_sea results)
262      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
263    o pkg/seaice:
264      * added computation of saltFlux in seaice_growth;
265        For time being, sea ice salinity is assumed constant
266        contribution of snow flooding to freshening of sea ice is neglected.
267        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
268        defaults to 0.0 in order to maintain backward compatibility.
269        Typical values for SEAICE_salinity are 4 to 10 g/kg.
270      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
271      * added SEAICE_availHeatFrac, which specifies fraction of surface level
272        heat content used to melt or grow ice
273      * commented out cap of HICE: it helps keep ice thinner
274      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
275      * applied OBCS T/S mask to HEFFM sea ice mask
276    
277    checkpoint59d
278    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
279     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
280     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
281    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
282     and change default value of parameter "GM_Small_Number";
283     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
284       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
285       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
286  o pkg/ecco: cost function when applying pkg/smooth to controls  o pkg/ecco: cost function when applying pkg/smooth to controls
287  o pkg/ctrl: add forcingPrecond run time parameter  o pkg/ctrl: add forcingPrecond run time parameter
288  o pkg/seaice:  o pkg/seaice:
# Line 30  o pkg/profiles: Line 309  o pkg/profiles:
309       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
310   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
311     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.
   
312  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
313  o pkg/seaice:  o pkg/seaice:
314   - 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 164  o in FFIELDS.h: Line 442  o in FFIELDS.h:
442       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
443  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
444  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
445      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
446        are no longer updating the vertical diffusivity array
447        (passed as argument) but are (re-) setting those arrays.
448  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
449    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
450      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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