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revision 1.849 by dimitri, Wed Jul 18 22:26:05 2007 UTC revision 1.920 by dimitri, Wed Dec 5 15:37:12 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 cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
8      SX vector computer.
9    o pkg/seaice:
10      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
11        seaice forcing fields can now be read only through pkg/exf
12      - removed some unused halos
13    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
14    o pkg/exf: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting
15      UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.
16    
17    checkpoint59k
18    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
19      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
20    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
21      all experiments pass when compile with un-initilised var. checking option.
22    o added pkg/salt_plume
23    o script to test restart (for now, in MITgcm_contrib/jmc_script)
24    o pkg/seaice: new read/write pickup version.
25      read meta file and write only fields which are needed to restart.
26      ( same logic as main pickup file ; also using pickupStrictlyMatch )
27    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
28    o lab_sea.hb87: modify the domain & update output.hb87.txt :
29      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
30      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
31      process. Fixed here by closing the domain at the Northern boundary.
32    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
33    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
34      a set of consecutive levels in/from a 3-D array.
35    o pkg/ptracers:
36      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
37      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
38    
39    checkpoint59j
40    o in pkgs: dic, obcs, offline, rbcs:
41      standard way to compute coeff. for time interpolation between 2 time reccords
42      which retains full precision (& make results less dependent on compiler).
43      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
44    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
45      packages instead of reading ice cover and wind speed separately
46    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
47     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
48      to allow to compile customized code before the update)
49    o cleaning-up:
50      - fix CPP instruction syntax in pkg/obcs
51      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
52        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
53      - fix some threads issue in IO parts.
54    o pkg/dic:
55      - add tons of "_d 0" (--> much better testreports !)
56       and then update outputs of tutorial_global_oce_biogeo
57    o pkg/mom_fluxform:
58      add a special version of momentum advection intended to conserve momentum
59      next to a bathymetry step or a coastline edge. (default = off = #undef)
60    o new read/write pickup version:
61      - for now, only implemented for main (mdsio) pickup file.
62      - write out only what is needed to restart; merge pickup_nh , pickup_ph
63        and main pickup together.
64      - read meta file; read only what is needed to restart; stop if a field
65        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
66        if it make sense (even if the restart is not perfect).
67      - if no meta file, assume that pickup to read corresponds exactly to
68        a pickup that would currently be written.
69      - read pickup written in the old format (until checkpoint59i) if it
70        recognizes an old meta file (no field-list).
71      - add a meta file in exp. which starts from a pickup: 2 cases:
72        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
73         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
74        b) a meta file describing the content of the associated pickup file
75         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
76    o pkg/mdsio & pkg/rw:
77      - new routine to read a meta file ; new set of routine to read
78        Multiple-fields file (with meta file).
79    o added open boundary conditions capability for seaice
80        HSNOW, HSALT, UICE, and VICE
81    
82    checkpoint59i
83    o adjoint:
84      * fix multiDimAdvection adjoint
85        (partial recomputation problem by TAF for fVerT(:,:,kDown)
86        and comlev1 size definition (maxpass vs. max. number of tracers)
87      * verification/global_ocean.90x45x15 adjoint now tests
88        NLFS and multiDimAdvection using DST3 (=30)
89      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
90    o pkg/kpp: add "_d 0" to real constant (if missing);
91      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
92      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
93    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
94      for internal parameters related to restart process (formerly from PARAMS.h)
95      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
96    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
97      as argument. (only atm2d & obcs write_pickup have not yet been updated)
98    o pkg/monitor:
99      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
100      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
101      - account for deep Atmosphere factor and density factor (anelastic)
102    o added open boundary conditions capability for seaice HEFF and AREA
103    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
104      thermodynamics
105      - requires a little reorganization, which affects the testreport results
106        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
107        so that now the conservative form is tested
108      - add a few comments
109    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
110    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
111    o add new diagnostics to seaice: advective, diffusive fluxes (only for
112      multidim-advection, for scheme 2 they are not filled) and transports,
113      thermodynamic growth rates
114    o change units of EmPmR (inside the code, + within coupling interface)
115      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
116      Affects results @ truncation level (cg2d match) and update output of
117       experiments: lab_sea(6), global_ocean.90x40x15(10),
118      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
119      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
120      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
121      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
122    
123    checkpoint59h
124    o pkg/exf:
125      - improve vectorization by moving if-statement out of loops in
126        exf_mapfields, exf_radiation
127      - exf_bulkformulae.F: introduce 2D fields and vectorize code
128    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
129    o testreport:
130      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
131        monitor & update offline_exf_seaice exp. output.
132      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
133    o pkg/seaice:
134      - bug fix in the evp solver: boundary conditions were affected be
135        masking of zMax/zMin (changes results)
136      - minor bug fix in boundary conditions in seaice_calc_strainrates
137        (changes results for no_slip)
138      - seaice_lsr.F: make interpolation of eta dependent on boundaries
139      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
140      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
141        stress formulation and no-slip boundary conditions
142    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
143      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
144    o pkg/seaice: a first HSALT time stepping equation has been checked in
145    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
146      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
147      without requiring DO-IF statements
148    o pkg/thsice:
149      use continuous power-law function for partition of energy between lateral
150      melting/freezing and thinning/thickening ; old code using step function
151      still available with #undef THSICE_FRACEN_POWERLAW
152      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
153    o testreport: change AD testing : check against results/output_adm.txt
154      using same scripts as for forward test.
155    
156    checkpoint59g
157    o adjoint testing: in preparation for changing testreport:
158      - output format: cost and grad written on separated lines
159      - ad output results in directory "results" (instead of "results_ad")
160    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
161    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
162    o pkg/ecco: allow user defined cost function contributions
163    o testreport:
164      Allow to choose (per experiment) the list of tested output variables
165       and the main variable (used to issue a pass/FAIL ) ;
166      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
167      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
168      Also modify printing of summary:
169       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
170       b) echo the list of tested variables in the individual summary.txt of
171          each experiment.
172    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
173      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
174      (but still depend on the tile decompostion of the domain).
175    o pkg/seaice: change a discretization detail to make the B-grid code
176      "more symmetric". This change is likely to remove all "ridges/leads" that
177      where quasi-aligned with the grid in B-grid solutions. It may also be
178      the solution to the stress coupling issues with the B-grid.
179    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
180      remove .cvsignore from input dir. (since testreport no longer run here).
181    o pkg/thsice:
182     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
183     - fix reshaping of sea-ice just after advection:
184       melt all the ice only if ice-volume is too small.
185     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
186       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
187     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
188    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
189      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
190    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
191      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
192      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
193      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
194      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
195      -> update output.txt
196    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
197     this affects truncation error: -> update output.txt of exp:
198      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
199      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
200    
201    checkpoint59f
202    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
203    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
204      a bounded range (in forward mode)
205    o pkg/ecco, ctrl, autodiff and mom_common:
206     internal parameter controls, completements of implementations
207    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
208    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
209      (not seem any difference in testing results).
210    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
211       at face corners.
212    o pkg/generic_advdiff:
213     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
214      loop range indices for computing vertical advection tendency
215      and do the calculation in the interior only (no overlap) ;
216      for now, only implemented for SOM advection (to save CPU time).
217     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
218    o exch2 adjoint
219      First set of changes:
220      - add exch2 hand-written adjoint templates
221      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
222        This will require cleanup in pkg/autodiff/*.F
223        (changed routines currently kept separate in verif. code/)
224      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
225        that used to hide exch2 or cubed-sphere specific code
226        (commented via 'cph-exch2')
227    o pkg/seaice
228      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
229    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
230       output of global_ocean.cs32x15.thsice .
231    
232    checkpoint59e
233    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
234      for B-grid vector (not yet tested) and C-grid vector (<- only used
235      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
236    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
237      (#ifdef ALLOW_SALT_PLUME)
238    o gather_2d/scatter_2d: removed halo regions
239  o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007  o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
240    scheme and the corresponding test case (under front_relax dir). For now,    scheme and the corresponding test case (under front_relax dir). For now,
241    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 25  o pkg/seaice: Line 257  o pkg/seaice:
257      heat content used to melt or grow ice      heat content used to melt or grow ice
258    * commented out cap of HICE: it helps keep ice thinner    * commented out cap of HICE: it helps keep ice thinner
259    * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option    * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
260      * applied OBCS T/S mask to HEFFM sea ice mask
261    
262  checkpoint59d  checkpoint59d
263  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array  o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
# Line 194  o in FFIELDS.h: Line 427  o in FFIELDS.h:
427       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
428  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
429  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
430      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
431        are no longer updating the vertical diffusivity array
432        (passed as argument) but are (re-) setting those arrays.
433  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
434    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
435      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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