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revision 1.852 by dimitri, Sun Jul 22 23:51:15 2007 UTC revision 1.930 by atn, Fri Dec 21 02:54:34 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/kpp: added saltplume diagnostics
8    o pkg/obcs and pkg/seaice:
9      - do not set uice and vice to zero when OB*icefile are unspecified
10      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
11      - moved seaice tracer obcs after call to seaice_growth
12    o pkg/salt_plume: added various options for salt plume depth
13      criterion and for vertical distribution of the salt
14    
15    checkpoint59l
16    o pkg/ptracers: new version of ptracers pickup:
17      read meta file and write only fields which are needed to restart.
18      ( same logic as main pickup file ; also using pickupStrictlyMatch )
19    o pkg/seaice:
20      - add timescale for melting due to warm mixed layer as a means of
21        setting SEAICE_availHeatFrac more conveniently
22      - add a CPP-flag/runtime parameter check for flooding algorithm
23      - reformulated availHeat in seaice_growth.F to be independent of AREA
24    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
25      unit changes
26    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
27    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
28      SX vector computer.
29    o pkg/seaice:
30      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
31        seaice forcing fields can now be read only through pkg/exf
32      - removed some unused halos
33    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
34    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
35      or U/VICE from U/VWIND before computing U/VSTRESS
36    
37    checkpoint59k
38    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
39      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
40    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
41      all experiments pass when compile with un-initialised var. checking option.
42    o added pkg/salt_plume
43    o script to test restart (for now, in MITgcm_contrib/jmc_script)
44    o pkg/seaice: new read/write pickup version.
45      read meta file and write only fields which are needed to restart.
46      ( same logic as main pickup file ; also using pickupStrictlyMatch )
47    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
48    o lab_sea.hb87: modify the domain & update output.hb87.txt :
49      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
50      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
51      process. Fixed here by closing the domain at the Northern boundary.
52    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
53    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
54      a set of consecutive levels in/from a 3-D array.
55    o pkg/ptracers:
56      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
57      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
58    
59    checkpoint59j
60    o in pkgs: dic, obcs, offline, rbcs:
61      standard way to compute coeff. for time interpolation between 2 time reccords
62      which retains full precision (& make results less dependent on compiler).
63      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
64    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
65      packages instead of reading ice cover and wind speed separately
66    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
67     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
68      to allow to compile customized code before the update)
69    o cleaning-up:
70      - fix CPP instruction syntax in pkg/obcs
71      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
72        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
73      - fix some threads issue in IO parts.
74    o pkg/dic:
75      - add tons of "_d 0" (--> much better testreports !)
76       and then update outputs of tutorial_global_oce_biogeo
77    o pkg/mom_fluxform:
78      add a special version of momentum advection intended to conserve momentum
79      next to a bathymetry step or a coastline edge. (default = off = #undef)
80    o new read/write pickup version:
81      - for now, only implemented for main (mdsio) pickup file.
82      - write out only what is needed to restart; merge pickup_nh , pickup_ph
83        and main pickup together.
84      - read meta file; read only what is needed to restart; stop if a field
85        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
86        if it make sense (even if the restart is not perfect).
87      - if no meta file, assume that pickup to read corresponds exactly to
88        a pickup that would currently be written.
89      - read pickup written in the old format (until checkpoint59i) if it
90        recognizes an old meta file (no field-list).
91      - add a meta file in exp. which starts from a pickup: 2 cases:
92        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
93         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
94        b) a meta file describing the content of the associated pickup file
95         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
96    o pkg/mdsio & pkg/rw:
97      - new routine to read a meta file ; new set of routine to read
98        Multiple-fields file (with meta file).
99    o added open boundary conditions capability for seaice
100        HSNOW, HSALT, UICE, and VICE
101    
102    checkpoint59i
103    o adjoint:
104      * fix multiDimAdvection adjoint
105        (partial recomputation problem by TAF for fVerT(:,:,kDown)
106        and comlev1 size definition (maxpass vs. max. number of tracers)
107      * verification/global_ocean.90x45x15 adjoint now tests
108        NLFS and multiDimAdvection using DST3 (=30)
109      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
110    o pkg/kpp: add "_d 0" to real constant (if missing);
111      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
112      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
113    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
114      for internal parameters related to restart process (formerly from PARAMS.h)
115      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
116    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
117      as argument. (only atm2d & obcs write_pickup have not yet been updated)
118    o pkg/monitor:
119      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
120      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
121      - account for deep Atmosphere factor and density factor (anelastic)
122    o added open boundary conditions capability for seaice HEFF and AREA
123    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
124      thermodynamics
125      - requires a little reorganization, which affects the testreport results
126        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
127        so that now the conservative form is tested
128      - add a few comments
129    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
130    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
131    o add new diagnostics to seaice: advective, diffusive fluxes (only for
132      multidim-advection, for scheme 2 they are not filled) and transports,
133      thermodynamic growth rates
134    o change units of EmPmR (inside the code, + within coupling interface)
135      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
136      Affects results @ truncation level (cg2d match) and update output of
137       experiments: lab_sea(6), global_ocean.90x40x15(10),
138      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
139      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
140      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
141      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
142    
143    checkpoint59h
144    o pkg/exf:
145      - improve vectorization by moving if-statement out of loops in
146        exf_mapfields, exf_radiation
147      - exf_bulkformulae.F: introduce 2D fields and vectorize code
148    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
149    o testreport:
150      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
151        monitor & update offline_exf_seaice exp. output.
152      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
153    o pkg/seaice:
154      - bug fix in the evp solver: boundary conditions were affected be
155        masking of zMax/zMin (changes results)
156      - minor bug fix in boundary conditions in seaice_calc_strainrates
157        (changes results for no_slip)
158      - seaice_lsr.F: make interpolation of eta dependent on boundaries
159      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
160      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
161        stress formulation and no-slip boundary conditions
162    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
163      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
164    o pkg/seaice: a first HSALT time stepping equation has been checked in
165    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
166      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
167      without requiring DO-IF statements
168    o pkg/thsice:
169      use continuous power-law function for partition of energy between lateral
170      melting/freezing and thinning/thickening ; old code using step function
171      still available with #undef THSICE_FRACEN_POWERLAW
172      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
173    o testreport: change AD testing : check against results/output_adm.txt
174      using same scripts as for forward test.
175    
176    checkpoint59g
177    o adjoint testing: in preparation for changing testreport:
178      - output format: cost and grad written on separated lines
179      - ad output results in directory "results" (instead of "results_ad")
180    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
181    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
182    o pkg/ecco: allow user defined cost function contributions
183    o testreport:
184      Allow to choose (per experiment) the list of tested output variables
185       and the main variable (used to issue a pass/FAIL ) ;
186      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
187      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
188      Also modify printing of summary:
189       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
190       b) echo the list of tested variables in the individual summary.txt of
191          each experiment.
192    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
193      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
194      (but still depend on the tile decompostion of the domain).
195    o pkg/seaice: change a discretization detail to make the B-grid code
196      "more symmetric". This change is likely to remove all "ridges/leads" that
197      where quasi-aligned with the grid in B-grid solutions. It may also be
198      the solution to the stress coupling issues with the B-grid.
199    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
200      remove .cvsignore from input dir. (since testreport no longer run here).
201    o pkg/thsice:
202     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
203     - fix reshaping of sea-ice just after advection:
204       melt all the ice only if ice-volume is too small.
205     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
206       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
207     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
208    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
209      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
210    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
211      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
212      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
213      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
214      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
215      -> update output.txt
216    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
217     this affects truncation error: -> update output.txt of exp:
218      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
219      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
220    
221    checkpoint59f
222    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
223    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
224      a bounded range (in forward mode)
225    o pkg/ecco, ctrl, autodiff and mom_common:
226     internal parameter controls, completements of implementations
227    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
228    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
229      (not seem any difference in testing results).
230    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
231       at face corners.
232    o pkg/generic_advdiff:
233     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
234      loop range indices for computing vertical advection tendency
235      and do the calculation in the interior only (no overlap) ;
236      for now, only implemented for SOM advection (to save CPU time).
237     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
238    o exch2 adjoint
239      First set of changes:
240      - add exch2 hand-written adjoint templates
241      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
242        This will require cleanup in pkg/autodiff/*.F
243        (changed routines currently kept separate in verif. code/)
244      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
245        that used to hide exch2 or cubed-sphere specific code
246        (commented via 'cph-exch2')
247    o pkg/seaice
248      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
249    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
250       output of global_ocean.cs32x15.thsice .
251    
252    checkpoint59e
253    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
254      for B-grid vector (not yet tested) and C-grid vector (<- only used
255      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
256  o starting implementation of Duffy et al. (GRL 1999) salt plume scheme  o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
257    (#ifdef ALLOW_SALT_PLUME)    (#ifdef ALLOW_SALT_PLUME)
258  o gather_2d/scatter_2d: removed halo regions  o gather_2d/scatter_2d: removed halo regions
# Line 198  o in FFIELDS.h: Line 447  o in FFIELDS.h:
447       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
448  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
449  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
450      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
451        are no longer updating the vertical diffusivity array
452        (passed as argument) but are (re-) setting those arrays.
453  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
454    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
455      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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