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revision 1.842 by jmc, Thu Jun 21 00:53:20 2007 UTC revision 1.940 by dimitri, Thu Jan 17 20:48:07 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o verification/seaice_obcs: updated for restart test and latest options
8    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
9      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
10      for now this is only available for the C-grid code and also within
11      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
12    
13    checkpoint59m
14    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
15      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
16    o gad_som : fix flux output (& diagnostics) to have same units as other  
17      advection scheme fluxes (was previously multiplied by deltaT).  
18    o added verification/seaice_obcs both to test seaice open boundaries
19      and to provide an example matlab scrpt for generating them
20    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
21    o pkg/salt_plume: clean up salt_plume_frac.F to
22      remove redundancy in PlumeMethod 1 and 4
23    o pkg/kpp: added saltplume diagnostics
24    o pkg/obcs and pkg/seaice:
25      - do not set uice and vice to zero when OB*icefile are unspecified
26      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
27      - moved seaice tracer obcs after call to seaice_growth
28    o pkg/salt_plume: added various options for salt plume depth
29      criterion and for vertical distribution of the salt
30    
31    checkpoint59l
32    o pkg/ptracers: new version of ptracers pickup:
33      read meta file and write only fields which are needed to restart.
34      ( same logic as main pickup file ; also using pickupStrictlyMatch )
35    o pkg/seaice:
36      - add timescale for melting due to warm mixed layer as a means of
37        setting SEAICE_availHeatFrac more conveniently
38      - add a CPP-flag/runtime parameter check for flooding algorithm
39      - reformulated availHeat in seaice_growth.F to be independent of AREA
40    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
41      unit changes
42    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
43    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
44      SX vector computer.
45    o pkg/seaice:
46      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
47        seaice forcing fields can now be read only through pkg/exf
48      - removed some unused halos
49    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
50    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
51      or U/VICE from U/VWIND before computing U/VSTRESS
52    
53    checkpoint59k
54    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
55      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
56    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
57      all experiments pass when compile with un-initialised var. checking option.
58    o added pkg/salt_plume
59    o script to test restart (for now, in MITgcm_contrib/jmc_script)
60    o pkg/seaice: new read/write pickup version.
61      read meta file and write only fields which are needed to restart.
62      ( same logic as main pickup file ; also using pickupStrictlyMatch )
63    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
64    o lab_sea.hb87: modify the domain & update output.hb87.txt :
65      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
66      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
67      process. Fixed here by closing the domain at the Northern boundary.
68    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
69    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
70      a set of consecutive levels in/from a 3-D array.
71    o pkg/ptracers:
72      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
73      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
74    
75    checkpoint59j
76    o in pkgs: dic, obcs, offline, rbcs:
77      standard way to compute coeff. for time interpolation between 2 time reccords
78      which retains full precision (& make results less dependent on compiler).
79      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
80    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
81      packages instead of reading ice cover and wind speed separately
82    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
83     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
84      to allow to compile customized code before the update)
85    o cleaning-up:
86      - fix CPP instruction syntax in pkg/obcs
87      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
88        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
89      - fix some threads issue in IO parts.
90    o pkg/dic:
91      - add tons of "_d 0" (--> much better testreports !)
92       and then update outputs of tutorial_global_oce_biogeo
93    o pkg/mom_fluxform:
94      add a special version of momentum advection intended to conserve momentum
95      next to a bathymetry step or a coastline edge. (default = off = #undef)
96    o new read/write pickup version:
97      - for now, only implemented for main (mdsio) pickup file.
98      - write out only what is needed to restart; merge pickup_nh , pickup_ph
99        and main pickup together.
100      - read meta file; read only what is needed to restart; stop if a field
101        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
102        if it make sense (even if the restart is not perfect).
103      - if no meta file, assume that pickup to read corresponds exactly to
104        a pickup that would currently be written.
105      - read pickup written in the old format (until checkpoint59i) if it
106        recognizes an old meta file (no field-list).
107      - add a meta file in exp. which starts from a pickup: 2 cases:
108        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
109         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
110        b) a meta file describing the content of the associated pickup file
111         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
112    o pkg/mdsio & pkg/rw:
113      - new routine to read a meta file ; new set of routine to read
114        Multiple-fields file (with meta file).
115    o added open boundary conditions capability for seaice
116        HSNOW, HSALT, UICE, and VICE
117    
118    checkpoint59i
119    o adjoint:
120      * fix multiDimAdvection adjoint
121        (partial recomputation problem by TAF for fVerT(:,:,kDown)
122        and comlev1 size definition (maxpass vs. max. number of tracers)
123      * verification/global_ocean.90x45x15 adjoint now tests
124        NLFS and multiDimAdvection using DST3 (=30)
125      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
126    o pkg/kpp: add "_d 0" to real constant (if missing);
127      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
128      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
129    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
130      for internal parameters related to restart process (formerly from PARAMS.h)
131      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
132    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
133      as argument. (only atm2d & obcs write_pickup have not yet been updated)
134    o pkg/monitor:
135      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
136      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
137      - account for deep Atmosphere factor and density factor (anelastic)
138    o added open boundary conditions capability for seaice HEFF and AREA
139    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
140      thermodynamics
141      - requires a little reorganization, which affects the testreport results
142        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
143        so that now the conservative form is tested
144      - add a few comments
145    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
146    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
147    o add new diagnostics to seaice: advective, diffusive fluxes (only for
148      multidim-advection, for scheme 2 they are not filled) and transports,
149      thermodynamic growth rates
150    o change units of EmPmR (inside the code, + within coupling interface)
151      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
152      Affects results @ truncation level (cg2d match) and update output of
153       experiments: lab_sea(6), global_ocean.90x40x15(10),
154      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
155      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
156      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
157      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
158    
159    checkpoint59h
160    o pkg/exf:
161      - improve vectorization by moving if-statement out of loops in
162        exf_mapfields, exf_radiation
163      - exf_bulkformulae.F: introduce 2D fields and vectorize code
164    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
165    o testreport:
166      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
167        monitor & update offline_exf_seaice exp. output.
168      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
169    o pkg/seaice:
170      - bug fix in the evp solver: boundary conditions were affected be
171        masking of zMax/zMin (changes results)
172      - minor bug fix in boundary conditions in seaice_calc_strainrates
173        (changes results for no_slip)
174      - seaice_lsr.F: make interpolation of eta dependent on boundaries
175      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
176      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
177        stress formulation and no-slip boundary conditions
178    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
179      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
180    o pkg/seaice: a first HSALT time stepping equation has been checked in
181    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
182      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
183      without requiring DO-IF statements
184    o pkg/thsice:
185      use continuous power-law function for partition of energy between lateral
186      melting/freezing and thinning/thickening ; old code using step function
187      still available with #undef THSICE_FRACEN_POWERLAW
188      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
189    o testreport: change AD testing : check against results/output_adm.txt
190      using same scripts as for forward test.
191    
192    checkpoint59g
193    o adjoint testing: in preparation for changing testreport:
194      - output format: cost and grad written on separated lines
195      - ad output results in directory "results" (instead of "results_ad")
196    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
197    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
198    o pkg/ecco: allow user defined cost function contributions
199    o testreport:
200      Allow to choose (per experiment) the list of tested output variables
201       and the main variable (used to issue a pass/FAIL ) ;
202      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
203      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
204      Also modify printing of summary:
205       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
206       b) echo the list of tested variables in the individual summary.txt of
207          each experiment.
208    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
209      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
210      (but still depend on the tile decompostion of the domain).
211    o pkg/seaice: change a discretization detail to make the B-grid code
212      "more symmetric". This change is likely to remove all "ridges/leads" that
213      where quasi-aligned with the grid in B-grid solutions. It may also be
214      the solution to the stress coupling issues with the B-grid.
215    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
216      remove .cvsignore from input dir. (since testreport no longer run here).
217    o pkg/thsice:
218     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
219     - fix reshaping of sea-ice just after advection:
220       melt all the ice only if ice-volume is too small.
221     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
222       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
223     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
224    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
225      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
226    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
227      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
228      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
229      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
230      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
231      -> update output.txt
232    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
233     this affects truncation error: -> update output.txt of exp:
234      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
235      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
236    
237    checkpoint59f
238    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
239    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
240      a bounded range (in forward mode)
241    o pkg/ecco, ctrl, autodiff and mom_common:
242     internal parameter controls, completements of implementations
243    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
244    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
245      (not seem any difference in testing results).
246    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
247       at face corners.
248    o pkg/generic_advdiff:
249     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
250      loop range indices for computing vertical advection tendency
251      and do the calculation in the interior only (no overlap) ;
252      for now, only implemented for SOM advection (to save CPU time).
253     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
254    o exch2 adjoint
255      First set of changes:
256      - add exch2 hand-written adjoint templates
257      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
258        This will require cleanup in pkg/autodiff/*.F
259        (changed routines currently kept separate in verif. code/)
260      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
261        that used to hide exch2 or cubed-sphere specific code
262        (commented via 'cph-exch2')
263    o pkg/seaice
264      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
265    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
266       output of global_ocean.cs32x15.thsice .
267    
268    checkpoint59e
269    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
270      for B-grid vector (not yet tested) and C-grid vector (<- only used
271      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
272    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
273      (#ifdef ALLOW_SALT_PLUME)
274    o gather_2d/scatter_2d: removed halo regions
275    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
276      scheme and the corresponding test case (under front_relax dir). For now,
277      only available with Skew-flux form and not yet tested in realistic set-up.
278      adjoint: store directives updated, but gradient checks deteriorated,
279      so maybe GM/Redi adjoint is now broken.
280    o seaice adjoint
281      * add AREA, HEFF, HSNOW as control variable
282        (should not change lab_sea results)
283      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
284    o pkg/seaice:
285      * added computation of saltFlux in seaice_growth;
286        For time being, sea ice salinity is assumed constant
287        contribution of snow flooding to freshening of sea ice is neglected.
288        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
289        defaults to 0.0 in order to maintain backward compatibility.
290        Typical values for SEAICE_salinity are 4 to 10 g/kg.
291      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
292      * added SEAICE_availHeatFrac, which specifies fraction of surface level
293        heat content used to melt or grow ice
294      * commented out cap of HICE: it helps keep ice thinner
295      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
296      * applied OBCS T/S mask to HEFFM sea ice mask
297    
298    checkpoint59d
299  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
300   for {PKG} state variables, and called from DO_STATEVARS_DIAGS.   for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
301   (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)   (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
# Line 171  o in FFIELDS.h: Line 463  o in FFIELDS.h:
463       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
464  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
465  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
466      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
467        are no longer updating the vertical diffusivity array
468        (passed as argument) but are (re-) setting those arrays.
469  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
470    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
471      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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