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revision 1.850 by dimitri, Wed Jul 18 22:53:34 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  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,    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.    only available with Skew-flux form and not yet tested in realistic set-up.
# Line 195  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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