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revision 1.837 by mlosch, Sun Jun 17 09:22:06 2007 UTC revision 1.916 by dimitri, Mon Dec 3 07:45:27 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/exf: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting
8      UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.
9    
10    checkpoint59k
11    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
12      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
13    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
14      all experiments pass when compile with un-initilised var. checking option.
15    o added pkg/salt_plume
16    o script to test restart (for now, in MITgcm_contrib/jmc_script)
17    o pkg/seaice: new read/write pickup version.
18      read meta file and write only fields which are needed to restart.
19      ( same logic as main pickup file ; also using pickupStrictlyMatch )
20    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
21    o lab_sea.hb87: modify the domain & update output.hb87.txt :
22      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
23      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
24      process. Fixed here by closing the domain at the Northern boundary.
25    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
26    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
27      a set of consecutive levels in/from a 3-D array.
28    o pkg/ptracers:
29      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
30      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
31    
32    checkpoint59j
33    o in pkgs: dic, obcs, offline, rbcs:
34      standard way to compute coeff. for time interpolation between 2 time reccords
35      which retains full precision (& make results less dependent on compiler).
36      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
37    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
38      packages instead of reading ice cover and wind speed separately
39    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
40     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
41      to allow to compile customized code before the update)
42    o cleaning-up:
43      - fix CPP instruction syntax in pkg/obcs
44      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
45        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
46      - fix some threads issue in IO parts.
47    o pkg/dic:
48      - add tons of "_d 0" (--> much better testreports !)
49       and then update outputs of tutorial_global_oce_biogeo
50    o pkg/mom_fluxform:
51      add a special version of momentum advection intended to conserve momentum
52      next to a bathymetry step or a coastline edge. (default = off = #undef)
53    o new read/write pickup version:
54      - for now, only implemented for main (mdsio) pickup file.
55      - write out only what is needed to restart; merge pickup_nh , pickup_ph
56        and main pickup together.
57      - read meta file; read only what is needed to restart; stop if a field
58        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
59        if it make sense (even if the restart is not perfect).
60      - if no meta file, assume that pickup to read corresponds exactly to
61        a pickup that would currently be written.
62      - read pickup written in the old format (until checkpoint59i) if it
63        recognizes an old meta file (no field-list).
64      - add a meta file in exp. which starts from a pickup: 2 cases:
65        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
66         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
67        b) a meta file describing the content of the associated pickup file
68         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
69    o pkg/mdsio & pkg/rw:
70      - new routine to read a meta file ; new set of routine to read
71        Multiple-fields file (with meta file).
72    o added open boundary conditions capability for seaice
73        HSNOW, HSALT, UICE, and VICE
74    
75    checkpoint59i
76    o adjoint:
77      * fix multiDimAdvection adjoint
78        (partial recomputation problem by TAF for fVerT(:,:,kDown)
79        and comlev1 size definition (maxpass vs. max. number of tracers)
80      * verification/global_ocean.90x45x15 adjoint now tests
81        NLFS and multiDimAdvection using DST3 (=30)
82      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
83    o pkg/kpp: add "_d 0" to real constant (if missing);
84      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
85      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
86    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
87      for internal parameters related to restart process (formerly from PARAMS.h)
88      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
89    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
90      as argument. (only atm2d & obcs write_pickup have not yet been updated)
91    o pkg/monitor:
92      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
93      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
94      - account for deep Atmosphere factor and density factor (anelastic)
95    o added open boundary conditions capability for seaice HEFF and AREA
96    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
97      thermodynamics
98      - requires a little reorganization, which affects the testreport results
99        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
100        so that now the conservative form is tested
101      - add a few comments
102    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
103    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
104    o add new diagnostics to seaice: advective, diffusive fluxes (only for
105      multidim-advection, for scheme 2 they are not filled) and transports,
106      thermodynamic growth rates
107    o change units of EmPmR (inside the code, + within coupling interface)
108      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
109      Affects results @ truncation level (cg2d match) and update output of
110       experiments: lab_sea(6), global_ocean.90x40x15(10),
111      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
112      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
113      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
114      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
115    
116    checkpoint59h
117    o pkg/exf:
118      - improve vectorization by moving if-statement out of loops in
119        exf_mapfields, exf_radiation
120      - exf_bulkformulae.F: introduce 2D fields and vectorize code
121    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
122    o testreport:
123      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
124        monitor & update offline_exf_seaice exp. output.
125      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
126    o pkg/seaice:
127      - bug fix in the evp solver: boundary conditions were affected be
128        masking of zMax/zMin (changes results)
129      - minor bug fix in boundary conditions in seaice_calc_strainrates
130        (changes results for no_slip)
131      - seaice_lsr.F: make interpolation of eta dependent on boundaries
132      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
133      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
134        stress formulation and no-slip boundary conditions
135    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
136      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
137    o pkg/seaice: a first HSALT time stepping equation has been checked in
138    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
139      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
140      without requiring DO-IF statements
141    o pkg/thsice:
142      use continuous power-law function for partition of energy between lateral
143      melting/freezing and thinning/thickening ; old code using step function
144      still available with #undef THSICE_FRACEN_POWERLAW
145      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
146    o testreport: change AD testing : check against results/output_adm.txt
147      using same scripts as for forward test.
148    
149    checkpoint59g
150    o adjoint testing: in preparation for changing testreport:
151      - output format: cost and grad written on separated lines
152      - ad output results in directory "results" (instead of "results_ad")
153    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
154    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
155    o pkg/ecco: allow user defined cost function contributions
156    o testreport:
157      Allow to choose (per experiment) the list of tested output variables
158       and the main variable (used to issue a pass/FAIL ) ;
159      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
160      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
161      Also modify printing of summary:
162       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
163       b) echo the list of tested variables in the individual summary.txt of
164          each experiment.
165    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
166      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
167      (but still depend on the tile decompostion of the domain).
168    o pkg/seaice: change a discretization detail to make the B-grid code
169      "more symmetric". This change is likely to remove all "ridges/leads" that
170      where quasi-aligned with the grid in B-grid solutions. It may also be
171      the solution to the stress coupling issues with the B-grid.
172    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
173      remove .cvsignore from input dir. (since testreport no longer run here).
174    o pkg/thsice:
175     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
176     - fix reshaping of sea-ice just after advection:
177       melt all the ice only if ice-volume is too small.
178     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
179       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
180     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
181    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
182      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
183    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
184      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
185      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
186      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
187      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
188      -> update output.txt
189    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
190     this affects truncation error: -> update output.txt of exp:
191      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
192      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
193    
194    checkpoint59f
195    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
196    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
197      a bounded range (in forward mode)
198    o pkg/ecco, ctrl, autodiff and mom_common:
199     internal parameter controls, completements of implementations
200    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
201    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
202      (not seem any difference in testing results).
203    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
204       at face corners.
205    o pkg/generic_advdiff:
206     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
207      loop range indices for computing vertical advection tendency
208      and do the calculation in the interior only (no overlap) ;
209      for now, only implemented for SOM advection (to save CPU time).
210     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
211    o exch2 adjoint
212      First set of changes:
213      - add exch2 hand-written adjoint templates
214      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
215        This will require cleanup in pkg/autodiff/*.F
216        (changed routines currently kept separate in verif. code/)
217      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
218        that used to hide exch2 or cubed-sphere specific code
219        (commented via 'cph-exch2')
220    o pkg/seaice
221      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
222    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
223       output of global_ocean.cs32x15.thsice .
224    
225    checkpoint59e
226    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
227      for B-grid vector (not yet tested) and C-grid vector (<- only used
228      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
229    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
230      (#ifdef ALLOW_SALT_PLUME)
231    o gather_2d/scatter_2d: removed halo regions
232    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
233      scheme and the corresponding test case (under front_relax dir). For now,
234      only available with Skew-flux form and not yet tested in realistic set-up.
235      adjoint: store directives updated, but gradient checks deteriorated,
236      so maybe GM/Redi adjoint is now broken.
237    o seaice adjoint
238      * add AREA, HEFF, HSNOW as control variable
239        (should not change lab_sea results)
240      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
241    o pkg/seaice:
242      * added computation of saltFlux in seaice_growth;
243        For time being, sea ice salinity is assumed constant
244        contribution of snow flooding to freshening of sea ice is neglected.
245        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
246        defaults to 0.0 in order to maintain backward compatibility.
247        Typical values for SEAICE_salinity are 4 to 10 g/kg.
248      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
249      * added SEAICE_availHeatFrac, which specifies fraction of surface level
250        heat content used to melt or grow ice
251      * commented out cap of HICE: it helps keep ice thinner
252      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
253      * applied OBCS T/S mask to HEFFM sea ice mask
254    
255    checkpoint59d
256    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
257     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
258     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
259    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
260     and change default value of parameter "GM_Small_Number";
261     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
262       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
263       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
264    o pkg/ecco: cost function when applying pkg/smooth to controls
265    o pkg/ctrl: add forcingPrecond run time parameter
266    o pkg/seaice:
267     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
268     - fix bug in metric terms of u-equation in LSR solver (implicit part),
269       changes verification/lab_sea
270     - rearrange implicit part of u-equation in LSR solver to make it easier to
271       read, understand, and debug. This causes changes at the truncation level.
272     - fix (serious) bug in the boundary conditions (sign error in the implicit
273       part) of the LSR solver. Changes all LSR results.
274     - fixed problem with HSNOW initialization to avoid thick snow when AREA
275       is initilized with small values - does not change lab_sea results.
276     - added HsnowFile initialization capability
277    o pkg/smooth: addition to model/src and pkg/ctrl so allow
278     initialization of pkg/smooth and application to control vector
279  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
280  o dependencies: pkg/profiles requires pkg/cal  o dependencies: pkg/profiles requires pkg/cal
281  o pkg/profiles:  o pkg/profiles:
# Line 15  o pkg/profiles: Line 287  o pkg/profiles:
287       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
288   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
289     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.
   
290  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
291  o pkg/seaice:  o pkg/seaice:
292   - 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 149  o in FFIELDS.h: Line 420  o in FFIELDS.h:
420       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
421  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
422  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
423      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
424        are no longer updating the vertical diffusivity array
425        (passed as argument) but are (re-) setting those arrays.
426  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
427    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
428      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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