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revision 1.869 by jmc, Fri Sep 7 01:16:11 2007 UTC revision 1.967 by jmc, Mon Mar 24 00:33:31 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 in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
8      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
9      also fix diagnostics VISCAHW & VISCA4W.
10    
11    checkpoint59o
12    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
13    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
14      move a few statemens out the main loop into separate loops
15    o pkg/shelfice:
16      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
17        (kg/m^2/s), does not break tests, because in verification/isomip,
18        rhoConstFresh=rhoConst (by accident)
19      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
20      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
21        new file model/src/seawater.F, so that they are available for all pkgs.
22      - convert potential temperature into in-situ temperature. This changes the
23        isomip tests => update tests
24    o add a flag writePickupAtEnd (default=true) to be able to suppress
25      writing a pickup at the last timestep
26    o tools/mpack-1.6 :
27      - disable automake (not working) and autoconf (not needed).
28      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
29        also cleaner with much less compilation warnings.
30    o pkg/profiles:
31      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
32      (for "less than 32 characters name" compiler requirement)
33    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
34      conditions that have a different sampling frequency than S/T/U/V obcs
35    o pkg/diagnostics (stats-diags):
36      - fix global Min/Max in case 1 processor get only empty tiles
37    o genmake2: replace (4 times)
38         make genmake_tc_1.o >> genmake_warnings 2>&1
39      with
40         COMM="$CC $CFLAGS -c genmake_tc_1.c"
41         echo $COMM >> genmake_warnings
42         $COMM >> genmake_warnings 2>&1
43      to make genmake2 always see the value of CC as specified in the optfile.
44    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
45      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
46      - modify verification advect_cs test to test SOM-advection on CS-grid.
47    o pkg/ctrl:
48      - Rewrite of ctrl_map_ini_ecco.F,
49        introducing a generic routine (ctrl_map_ini_gen.F).
50      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
51    
52    checkpoint59n
53    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
54      number in dedicate array "hdiag":
55      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
56        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
57      - many small changes (integer format) for large number of diagnostics
58      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
59        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
60    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
61      usingSphericalGrid, this allows to define the rotated grid coordinates
62      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
63      geographical coordinates according to the inverse of the rotation defined
64      by the Euler angles, so that Coriolis parameter and online-interpolation by
65      exf works with the geographical coordinates on XC/YC/XG/YG.
66      Naturally, this feature does not work with all packages, so some
67      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
68      profiles), because there the coordinates are assumed to be regular
69      spherical grid coordinates.
70    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
71      - introduce isopycnal diffusion coefficient control.
72    o tools/adjoint_options:
73      - additional control vector components.
74    o pkg/mnc: have mnc create marginally meaning full coordinate variables
75      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
76    o pkg/mypackage:
77      - add example of read/write pickup for state-var ;
78      - add entry points to the main code for state-vars diags & write-pickup.
79    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
80      transitions for useExfYearlyFields
81      - add new subroutine that determines the file to read from for
82        use*YearlyFields = .TRUE. and .FALSE.
83      - add a verification experiment to global_with_exf that tests
84        useExfYearlyFields with USE_EXF_INTERPOLATION defined
85    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
86      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
87      subroutines (which could be generated from a template, because they are
88      almost identical), for now they are included in obcs_prescribe_read.F for
89      simplicity
90    o pkg/exf:
91      - add a little more diagnostic to exf_interp_read (in analogy to
92        mds_read_field, can be turned off with debugLevel < debugLevA=1)
93      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
94        ugly but fast by unrolling short inner loops, inserting a unroll=8
95        directive in routine lagran, and splitting a loop and making do while the
96        outermost loop (the latter requires the intoduction of index arrays)
97    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
98    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
99      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
100    o verification/seaice_obcs: updated for restart test and latest options
101    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
102      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
103      for now this is only available for the C-grid code and also within
104      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
105    
106    checkpoint59m
107    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
108      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
109    o gad_som : fix flux output (& diagnostics) to have same units as other  
110      advection scheme fluxes (was previously multiplied by deltaT).  
111    o added verification/seaice_obcs both to test seaice open boundaries
112      and to provide an example matlab scrpt for generating them
113    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
114    o pkg/salt_plume: clean up salt_plume_frac.F to
115      remove redundancy in PlumeMethod 1 and 4
116    o pkg/kpp: added saltplume diagnostics
117    o pkg/obcs and pkg/seaice:
118      - do not set uice and vice to zero when OB*icefile are unspecified
119      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
120      - moved seaice tracer obcs after call to seaice_growth
121    o pkg/salt_plume: added various options for salt plume depth
122      criterion and for vertical distribution of the salt
123    
124    checkpoint59l
125    o pkg/ptracers: new version of ptracers pickup:
126      read meta file and write only fields which are needed to restart.
127      ( same logic as main pickup file ; also using pickupStrictlyMatch )
128    o pkg/seaice:
129      - add timescale for melting due to warm mixed layer as a means of
130        setting SEAICE_availHeatFrac more conveniently
131      - add a CPP-flag/runtime parameter check for flooding algorithm
132      - reformulated availHeat in seaice_growth.F to be independent of AREA
133    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
134      unit changes
135    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
136    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
137      SX vector computer.
138    o pkg/seaice:
139      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
140        seaice forcing fields can now be read only through pkg/exf
141      - removed some unused halos
142    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
143    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
144      or U/VICE from U/VWIND before computing U/VSTRESS
145    
146    checkpoint59k
147    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
148      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
149    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
150      all experiments pass when compile with un-initialised var. checking option.
151    o added pkg/salt_plume
152    o script to test restart (for now, in MITgcm_contrib/jmc_script)
153    o pkg/seaice: new read/write pickup version.
154      read meta file and write only fields which are needed to restart.
155      ( same logic as main pickup file ; also using pickupStrictlyMatch )
156    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
157    o lab_sea.hb87: modify the domain & update output.hb87.txt :
158      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
159      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
160      process. Fixed here by closing the domain at the Northern boundary.
161    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
162    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
163      a set of consecutive levels in/from a 3-D array.
164    o pkg/ptracers:
165      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
166      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
167    
168    checkpoint59j
169    o in pkgs: dic, obcs, offline, rbcs:
170      standard way to compute coeff. for time interpolation between 2 time reccords
171      which retains full precision (& make results less dependent on compiler).
172      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
173    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
174      packages instead of reading ice cover and wind speed separately
175    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
176     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
177      to allow to compile customized code before the update)
178    o cleaning-up:
179      - fix CPP instruction syntax in pkg/obcs
180      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
181        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
182      - fix some threads issue in IO parts.
183    o pkg/dic:
184      - add tons of "_d 0" (--> much better testreports !)
185       and then update outputs of tutorial_global_oce_biogeo
186    o pkg/mom_fluxform:
187      add a special version of momentum advection intended to conserve momentum
188      next to a bathymetry step or a coastline edge. (default = off = #undef)
189    o new read/write pickup version:
190      - for now, only implemented for main (mdsio) pickup file.
191      - write out only what is needed to restart; merge pickup_nh , pickup_ph
192        and main pickup together.
193      - read meta file; read only what is needed to restart; stop if a field
194        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
195        if it make sense (even if the restart is not perfect).
196      - if no meta file, assume that pickup to read corresponds exactly to
197        a pickup that would currently be written.
198      - read pickup written in the old format (until checkpoint59i) if it
199        recognizes an old meta file (no field-list).
200      - add a meta file in exp. which starts from a pickup: 2 cases:
201        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
202         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
203        b) a meta file describing the content of the associated pickup file
204         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
205    o pkg/mdsio & pkg/rw:
206      - new routine to read a meta file ; new set of routine to read
207        Multiple-fields file (with meta file).
208    o added open boundary conditions capability for seaice
209        HSNOW, HSALT, UICE, and VICE
210    
211    checkpoint59i
212    o adjoint:
213      * fix multiDimAdvection adjoint
214        (partial recomputation problem by TAF for fVerT(:,:,kDown)
215        and comlev1 size definition (maxpass vs. max. number of tracers)
216      * verification/global_ocean.90x45x15 adjoint now tests
217        NLFS and multiDimAdvection using DST3 (=30)
218      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
219    o pkg/kpp: add "_d 0" to real constant (if missing);
220      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
221      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
222    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
223      for internal parameters related to restart process (formerly from PARAMS.h)
224      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
225    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
226      as argument. (only atm2d & obcs write_pickup have not yet been updated)
227    o pkg/monitor:
228      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
229      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
230      - account for deep Atmosphere factor and density factor (anelastic)
231    o added open boundary conditions capability for seaice HEFF and AREA
232    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
233      thermodynamics
234      - requires a little reorganization, which affects the testreport results
235        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
236        so that now the conservative form is tested
237      - add a few comments
238    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
239    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
240    o add new diagnostics to seaice: advective, diffusive fluxes (only for
241      multidim-advection, for scheme 2 they are not filled) and transports,
242      thermodynamic growth rates
243    o change units of EmPmR (inside the code, + within coupling interface)
244      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
245      Affects results @ truncation level (cg2d match) and update output of
246       experiments: lab_sea(6), global_ocean.90x40x15(10),
247      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
248      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
249      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
250      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
251    
252    checkpoint59h
253    o pkg/exf:
254      - improve vectorization by moving if-statement out of loops in
255        exf_mapfields, exf_radiation
256      - exf_bulkformulae.F: introduce 2D fields and vectorize code
257    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
258    o testreport:
259      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
260        monitor & update offline_exf_seaice exp. output.
261      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
262    o pkg/seaice:
263      - bug fix in the evp solver: boundary conditions were affected be
264        masking of zMax/zMin (changes results)
265      - minor bug fix in boundary conditions in seaice_calc_strainrates
266        (changes results for no_slip)
267      - seaice_lsr.F: make interpolation of eta dependent on boundaries
268      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
269      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
270        stress formulation and no-slip boundary conditions
271    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
272      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
273    o pkg/seaice: a first HSALT time stepping equation has been checked in
274    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
275      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
276      without requiring DO-IF statements
277    o pkg/thsice:
278      use continuous power-law function for partition of energy between lateral
279      melting/freezing and thinning/thickening ; old code using step function
280      still available with #undef THSICE_FRACEN_POWERLAW
281      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
282    o testreport: change AD testing : check against results/output_adm.txt
283      using same scripts as for forward test.
284    
285    checkpoint59g
286    o adjoint testing: in preparation for changing testreport:
287      - output format: cost and grad written on separated lines
288      - ad output results in directory "results" (instead of "results_ad")
289    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
290    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
291    o pkg/ecco: allow user defined cost function contributions
292  o testreport:  o testreport:
293    Allow to choose (per experiment) the list of tested output variables    Allow to choose (per experiment) the list of tested output variables
294     and the main variable (used to issue a pass/FAIL ) ;     and the main variable (used to issue a pass/FAIL ) ;
295    - for now, done by adding the specific list in file: [exp]/input/tr_checklist    - for now, done by adding the specific list in file: [exp]/input/tr_checklist
296    - default is unchange: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;    - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
297    Also modify printing of summary:    Also modify printing of summary:
298     a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)     a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
299     b) echo the list of tested variables in the individual summary.txt of     b) echo the list of tested variables in the individual summary.txt of
# Line 271  o in FFIELDS.h: Line 556  o in FFIELDS.h:
556       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
557  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
558  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
559      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
560        are no longer updating the vertical diffusivity array
561        (passed as argument) but are (re-) setting those arrays.
562  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
563    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
564      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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