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revision 1.854 by jmc, Thu Jul 26 16:30:48 2007 UTC revision 1.963 by mlosch, Wed Feb 27 23:33:15 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 pkg/shelfice:
8      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
9        (kg/m^2/s), does not break tests, because in verification/isomip,
10        rhoConstFresh=rhoConst (by accident)
11      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
12      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
13        new file model/src/seawater.F, so that they are available for all pkgs.
14      - convert potential temperature into in-situ temperature. This changes the
15        isomip tests => update tests
16    o add a flag writePickupAtEnd (default=true) to be able to suppress
17      writing a pickup at the last timestep
18    o pkg/profiles:
19      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
20      (for "less than 32 characters name" compiler requirement)
21    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
22      conditions that have a different sampling frequency than S/T/U/V obcs
23    o pkg/diagnostics (stats-diags):
24      - fix global Min/Max in case 1 processor get only empty tiles
25    o genmake2: replace (4 times)
26         make genmake_tc_1.o >> genmake_warnings 2>&1
27      with
28         COMM="$CC $CFLAGS -c genmake_tc_1.c"
29         echo $COMM >> genmake_warnings
30         $COMM >> genmake_warnings 2>&1
31      to make genmake2 always see the value of CC as specified in the optfile.
32    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
33      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
34      - modify verification advect_cs test to test SOM-advection on CS-grid.
35    o pkg/ctrl:
36      - Rewrite of ctrl_map_ini_ecco.F,
37        introducing a generic routine (ctrl_map_ini_gen.F).
38      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
39    
40    checkpoint59n
41    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
42      number in dedicate array "hdiag":
43      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
44        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
45      - many small changes (integer format) for large number of diagnostics
46      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
47        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
48    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
49      usingSphericalGrid, this allows to define the rotated grid coordinates
50      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
51      geographical coordinates according to the inverse of the rotation defined
52      by the Euler angles, so that Coriolis parameter and online-interpolation by
53      exf works with the geographical coordinates on XC/YC/XG/YG.
54      Naturally, this feature does not work with all packages, so some
55      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
56      profiles), because there the coordinates are assumed to be regular
57      spherical grid coordinates.
58    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
59      - introduce isopycnal diffusion coefficient control.
60    o tools/adjoint_options:
61      - additional control vector components.
62    o pkg/mnc: have mnc create marginally meaning full coordinate variables
63      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
64    o pkg/mypackage:
65      - add example of read/write pickup for state-var ;
66      - add entry points to the main code for state-vars diags & write-pickup.
67    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
68      transitions for useExfYearlyFields
69      - add new subroutine that determines the file to read from for
70        use*YearlyFields = .TRUE. and .FALSE.
71      - add a verification experiment to global_with_exf that tests
72        useExfYearlyFields with USE_EXF_INTERPOLATION defined
73    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
74      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
75      subroutines (which could be generated from a template, because they are
76      almost identical), for now they are included in obcs_prescribe_read.F for
77      simplicity
78    o pkg/exf:
79      - add a little more diagnostic to exf_interp_read (in analogy to
80        mds_read_field, can be turned off with debugLevel < debugLevA=1)
81      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
82        ugly but fast by unrolling short inner loops, inserting a unroll=8
83        directive in routine lagran, and splitting a loop and making do while the
84        outermost loop (the latter requires the intoduction of index arrays)
85    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
86    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
87      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
88    o verification/seaice_obcs: updated for restart test and latest options
89    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
90      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
91      for now this is only available for the C-grid code and also within
92      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
93    
94    checkpoint59m
95    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
96      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
97    o gad_som : fix flux output (& diagnostics) to have same units as other  
98      advection scheme fluxes (was previously multiplied by deltaT).  
99    o added verification/seaice_obcs both to test seaice open boundaries
100      and to provide an example matlab scrpt for generating them
101    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
102    o pkg/salt_plume: clean up salt_plume_frac.F to
103      remove redundancy in PlumeMethod 1 and 4
104    o pkg/kpp: added saltplume diagnostics
105    o pkg/obcs and pkg/seaice:
106      - do not set uice and vice to zero when OB*icefile are unspecified
107      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
108      - moved seaice tracer obcs after call to seaice_growth
109    o pkg/salt_plume: added various options for salt plume depth
110      criterion and for vertical distribution of the salt
111    
112    checkpoint59l
113    o pkg/ptracers: new version of ptracers pickup:
114      read meta file and write only fields which are needed to restart.
115      ( same logic as main pickup file ; also using pickupStrictlyMatch )
116    o pkg/seaice:
117      - add timescale for melting due to warm mixed layer as a means of
118        setting SEAICE_availHeatFrac more conveniently
119      - add a CPP-flag/runtime parameter check for flooding algorithm
120      - reformulated availHeat in seaice_growth.F to be independent of AREA
121    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
122      unit changes
123    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
124    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
125      SX vector computer.
126    o pkg/seaice:
127      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
128        seaice forcing fields can now be read only through pkg/exf
129      - removed some unused halos
130    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
131    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
132      or U/VICE from U/VWIND before computing U/VSTRESS
133    
134    checkpoint59k
135    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
136      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
137    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
138      all experiments pass when compile with un-initialised var. checking option.
139    o added pkg/salt_plume
140    o script to test restart (for now, in MITgcm_contrib/jmc_script)
141    o pkg/seaice: new read/write pickup version.
142      read meta file and write only fields which are needed to restart.
143      ( same logic as main pickup file ; also using pickupStrictlyMatch )
144    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
145    o lab_sea.hb87: modify the domain & update output.hb87.txt :
146      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
147      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
148      process. Fixed here by closing the domain at the Northern boundary.
149    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
150    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
151      a set of consecutive levels in/from a 3-D array.
152    o pkg/ptracers:
153      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
154      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
155    
156    checkpoint59j
157    o in pkgs: dic, obcs, offline, rbcs:
158      standard way to compute coeff. for time interpolation between 2 time reccords
159      which retains full precision (& make results less dependent on compiler).
160      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
161    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
162      packages instead of reading ice cover and wind speed separately
163    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
164     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
165      to allow to compile customized code before the update)
166    o cleaning-up:
167      - fix CPP instruction syntax in pkg/obcs
168      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
169        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
170      - fix some threads issue in IO parts.
171    o pkg/dic:
172      - add tons of "_d 0" (--> much better testreports !)
173       and then update outputs of tutorial_global_oce_biogeo
174    o pkg/mom_fluxform:
175      add a special version of momentum advection intended to conserve momentum
176      next to a bathymetry step or a coastline edge. (default = off = #undef)
177    o new read/write pickup version:
178      - for now, only implemented for main (mdsio) pickup file.
179      - write out only what is needed to restart; merge pickup_nh , pickup_ph
180        and main pickup together.
181      - read meta file; read only what is needed to restart; stop if a field
182        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
183        if it make sense (even if the restart is not perfect).
184      - if no meta file, assume that pickup to read corresponds exactly to
185        a pickup that would currently be written.
186      - read pickup written in the old format (until checkpoint59i) if it
187        recognizes an old meta file (no field-list).
188      - add a meta file in exp. which starts from a pickup: 2 cases:
189        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
190         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
191        b) a meta file describing the content of the associated pickup file
192         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
193    o pkg/mdsio & pkg/rw:
194      - new routine to read a meta file ; new set of routine to read
195        Multiple-fields file (with meta file).
196    o added open boundary conditions capability for seaice
197        HSNOW, HSALT, UICE, and VICE
198    
199    checkpoint59i
200    o adjoint:
201      * fix multiDimAdvection adjoint
202        (partial recomputation problem by TAF for fVerT(:,:,kDown)
203        and comlev1 size definition (maxpass vs. max. number of tracers)
204      * verification/global_ocean.90x45x15 adjoint now tests
205        NLFS and multiDimAdvection using DST3 (=30)
206      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
207    o pkg/kpp: add "_d 0" to real constant (if missing);
208      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
209      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
210    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
211      for internal parameters related to restart process (formerly from PARAMS.h)
212      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
213    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
214      as argument. (only atm2d & obcs write_pickup have not yet been updated)
215    o pkg/monitor:
216      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
217      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
218      - account for deep Atmosphere factor and density factor (anelastic)
219    o added open boundary conditions capability for seaice HEFF and AREA
220    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
221      thermodynamics
222      - requires a little reorganization, which affects the testreport results
223        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
224        so that now the conservative form is tested
225      - add a few comments
226    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
227    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
228    o add new diagnostics to seaice: advective, diffusive fluxes (only for
229      multidim-advection, for scheme 2 they are not filled) and transports,
230      thermodynamic growth rates
231    o change units of EmPmR (inside the code, + within coupling interface)
232      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
233      Affects results @ truncation level (cg2d match) and update output of
234       experiments: lab_sea(6), global_ocean.90x40x15(10),
235      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
236      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
237      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
238      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
239    
240    checkpoint59h
241    o pkg/exf:
242      - improve vectorization by moving if-statement out of loops in
243        exf_mapfields, exf_radiation
244      - exf_bulkformulae.F: introduce 2D fields and vectorize code
245    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
246    o testreport:
247      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
248        monitor & update offline_exf_seaice exp. output.
249      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
250    o pkg/seaice:
251      - bug fix in the evp solver: boundary conditions were affected be
252        masking of zMax/zMin (changes results)
253      - minor bug fix in boundary conditions in seaice_calc_strainrates
254        (changes results for no_slip)
255      - seaice_lsr.F: make interpolation of eta dependent on boundaries
256      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
257      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
258        stress formulation and no-slip boundary conditions
259    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
260      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
261    o pkg/seaice: a first HSALT time stepping equation has been checked in
262    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
263      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
264      without requiring DO-IF statements
265    o pkg/thsice:
266      use continuous power-law function for partition of energy between lateral
267      melting/freezing and thinning/thickening ; old code using step function
268      still available with #undef THSICE_FRACEN_POWERLAW
269      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
270    o testreport: change AD testing : check against results/output_adm.txt
271      using same scripts as for forward test.
272    
273    checkpoint59g
274    o adjoint testing: in preparation for changing testreport:
275      - output format: cost and grad written on separated lines
276      - ad output results in directory "results" (instead of "results_ad")
277    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
278    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
279    o pkg/ecco: allow user defined cost function contributions
280    o testreport:
281      Allow to choose (per experiment) the list of tested output variables
282       and the main variable (used to issue a pass/FAIL ) ;
283      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
284      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
285      Also modify printing of summary:
286       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
287       b) echo the list of tested variables in the individual summary.txt of
288          each experiment.
289    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
290      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
291      (but still depend on the tile decompostion of the domain).
292    o pkg/seaice: change a discretization detail to make the B-grid code
293      "more symmetric". This change is likely to remove all "ridges/leads" that
294      where quasi-aligned with the grid in B-grid solutions. It may also be
295      the solution to the stress coupling issues with the B-grid.
296    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
297      remove .cvsignore from input dir. (since testreport no longer run here).
298    o pkg/thsice:
299     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
300     - fix reshaping of sea-ice just after advection:
301       melt all the ice only if ice-volume is too small.
302     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
303       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
304     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
305    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
306      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
307    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
308      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
309      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
310      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
311      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
312      -> update output.txt
313    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
314     this affects truncation error: -> update output.txt of exp:
315      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
316      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
317    
318    checkpoint59f
319    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
320    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
321      a bounded range (in forward mode)
322    o pkg/ecco, ctrl, autodiff and mom_common:
323     internal parameter controls, completements of implementations
324    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
325    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
326      (not seem any difference in testing results).
327    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
328       at face corners.
329    o pkg/generic_advdiff:
330     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
331      loop range indices for computing vertical advection tendency
332      and do the calculation in the interior only (no overlap) ;
333      for now, only implemented for SOM advection (to save CPU time).
334     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
335    o exch2 adjoint
336      First set of changes:
337      - add exch2 hand-written adjoint templates
338      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
339        This will require cleanup in pkg/autodiff/*.F
340        (changed routines currently kept separate in verif. code/)
341      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
342        that used to hide exch2 or cubed-sphere specific code
343        (commented via 'cph-exch2')
344    o pkg/seaice
345      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
346    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
347       output of global_ocean.cs32x15.thsice .
348    
349  checkpoint59e  checkpoint59e
350  o exch2: new S/R that only use the cube-tracer (center-position) exchange:  o exch2: new S/R that only use the cube-tracer (center-position) exchange:
351    for B-grid vector (not yet tested) and C-grid vector (<- only used    for B-grid vector (not yet tested) and C-grid vector (<- only used
# Line 202  o in FFIELDS.h: Line 544  o in FFIELDS.h:
544       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
545  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
546  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
547      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
548        are no longer updating the vertical diffusivity array
549        (passed as argument) but are (re-) setting those arrays.
550  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
551    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
552      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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