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revision 1.876 by jmc, Tue Sep 18 00:12:40 2007 UTC revision 1.968 by mlosch, Wed Mar 26 10:10:05 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/seaice: add a line to the summary to indicate grid type (B/C)
8    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
9      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
10      also fix diagnostics VISCAHW & VISCA4W.
11    
12    checkpoint59o
13    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
14    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
15      move a few statemens out the main loop into separate loops
16    o pkg/shelfice:
17      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
18        (kg/m^2/s), does not break tests, because in verification/isomip,
19        rhoConstFresh=rhoConst (by accident)
20      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
21      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
22        new file model/src/seawater.F, so that they are available for all pkgs.
23      - convert potential temperature into in-situ temperature. This changes the
24        isomip tests => update tests
25    o add a flag writePickupAtEnd (default=true) to be able to suppress
26      writing a pickup at the last timestep
27    o tools/mpack-1.6 :
28      - disable automake (not working) and autoconf (not needed).
29      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
30        also cleaner with much less compilation warnings.
31    o pkg/profiles:
32      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
33      (for "less than 32 characters name" compiler requirement)
34    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
35      conditions that have a different sampling frequency than S/T/U/V obcs
36    o pkg/diagnostics (stats-diags):
37      - fix global Min/Max in case 1 processor get only empty tiles
38    o genmake2: replace (4 times)
39         make genmake_tc_1.o >> genmake_warnings 2>&1
40      with
41         COMM="$CC $CFLAGS -c genmake_tc_1.c"
42         echo $COMM >> genmake_warnings
43         $COMM >> genmake_warnings 2>&1
44      to make genmake2 always see the value of CC as specified in the optfile.
45    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
46      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
47      - modify verification advect_cs test to test SOM-advection on CS-grid.
48    o pkg/ctrl:
49      - Rewrite of ctrl_map_ini_ecco.F,
50        introducing a generic routine (ctrl_map_ini_gen.F).
51      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
52    
53    checkpoint59n
54    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
55      number in dedicate array "hdiag":
56      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
57        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
58      - many small changes (integer format) for large number of diagnostics
59      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
60        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
61    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
62      usingSphericalGrid, this allows to define the rotated grid coordinates
63      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
64      geographical coordinates according to the inverse of the rotation defined
65      by the Euler angles, so that Coriolis parameter and online-interpolation by
66      exf works with the geographical coordinates on XC/YC/XG/YG.
67      Naturally, this feature does not work with all packages, so some
68      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
69      profiles), because there the coordinates are assumed to be regular
70      spherical grid coordinates.
71    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
72      - introduce isopycnal diffusion coefficient control.
73    o tools/adjoint_options:
74      - additional control vector components.
75    o pkg/mnc: have mnc create marginally meaning full coordinate variables
76      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
77    o pkg/mypackage:
78      - add example of read/write pickup for state-var ;
79      - add entry points to the main code for state-vars diags & write-pickup.
80    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
81      transitions for useExfYearlyFields
82      - add new subroutine that determines the file to read from for
83        use*YearlyFields = .TRUE. and .FALSE.
84      - add a verification experiment to global_with_exf that tests
85        useExfYearlyFields with USE_EXF_INTERPOLATION defined
86    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
87      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
88      subroutines (which could be generated from a template, because they are
89      almost identical), for now they are included in obcs_prescribe_read.F for
90      simplicity
91    o pkg/exf:
92      - add a little more diagnostic to exf_interp_read (in analogy to
93        mds_read_field, can be turned off with debugLevel < debugLevA=1)
94      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
95        ugly but fast by unrolling short inner loops, inserting a unroll=8
96        directive in routine lagran, and splitting a loop and making do while the
97        outermost loop (the latter requires the intoduction of index arrays)
98    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
99    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
100      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
101    o verification/seaice_obcs: updated for restart test and latest options
102    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
103      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
104      for now this is only available for the C-grid code and also within
105      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
106    
107    checkpoint59m
108    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
109      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
110    o gad_som : fix flux output (& diagnostics) to have same units as other  
111      advection scheme fluxes (was previously multiplied by deltaT).  
112    o added verification/seaice_obcs both to test seaice open boundaries
113      and to provide an example matlab scrpt for generating them
114    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
115    o pkg/salt_plume: clean up salt_plume_frac.F to
116      remove redundancy in PlumeMethod 1 and 4
117    o pkg/kpp: added saltplume diagnostics
118    o pkg/obcs and pkg/seaice:
119      - do not set uice and vice to zero when OB*icefile are unspecified
120      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
121      - moved seaice tracer obcs after call to seaice_growth
122    o pkg/salt_plume: added various options for salt plume depth
123      criterion and for vertical distribution of the salt
124    
125    checkpoint59l
126    o pkg/ptracers: new version of ptracers pickup:
127      read meta file and write only fields which are needed to restart.
128      ( same logic as main pickup file ; also using pickupStrictlyMatch )
129    o pkg/seaice:
130      - add timescale for melting due to warm mixed layer as a means of
131        setting SEAICE_availHeatFrac more conveniently
132      - add a CPP-flag/runtime parameter check for flooding algorithm
133      - reformulated availHeat in seaice_growth.F to be independent of AREA
134    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
135      unit changes
136    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
137    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
138      SX vector computer.
139    o pkg/seaice:
140      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
141        seaice forcing fields can now be read only through pkg/exf
142      - removed some unused halos
143    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
144    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
145      or U/VICE from U/VWIND before computing U/VSTRESS
146    
147    checkpoint59k
148    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
149      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
150    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
151      all experiments pass when compile with un-initialised var. checking option.
152    o added pkg/salt_plume
153    o script to test restart (for now, in MITgcm_contrib/jmc_script)
154    o pkg/seaice: new read/write pickup version.
155      read meta file and write only fields which are needed to restart.
156      ( same logic as main pickup file ; also using pickupStrictlyMatch )
157    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
158    o lab_sea.hb87: modify the domain & update output.hb87.txt :
159      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
160      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
161      process. Fixed here by closing the domain at the Northern boundary.
162    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
163    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
164      a set of consecutive levels in/from a 3-D array.
165    o pkg/ptracers:
166      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
167      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
168    
169    checkpoint59j
170    o in pkgs: dic, obcs, offline, rbcs:
171      standard way to compute coeff. for time interpolation between 2 time reccords
172      which retains full precision (& make results less dependent on compiler).
173      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
174    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
175      packages instead of reading ice cover and wind speed separately
176    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
177     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
178      to allow to compile customized code before the update)
179    o cleaning-up:
180      - fix CPP instruction syntax in pkg/obcs
181      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
182        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
183      - fix some threads issue in IO parts.
184    o pkg/dic:
185      - add tons of "_d 0" (--> much better testreports !)
186       and then update outputs of tutorial_global_oce_biogeo
187    o pkg/mom_fluxform:
188      add a special version of momentum advection intended to conserve momentum
189      next to a bathymetry step or a coastline edge. (default = off = #undef)
190    o new read/write pickup version:
191      - for now, only implemented for main (mdsio) pickup file.
192      - write out only what is needed to restart; merge pickup_nh , pickup_ph
193        and main pickup together.
194      - read meta file; read only what is needed to restart; stop if a field
195        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
196        if it make sense (even if the restart is not perfect).
197      - if no meta file, assume that pickup to read corresponds exactly to
198        a pickup that would currently be written.
199      - read pickup written in the old format (until checkpoint59i) if it
200        recognizes an old meta file (no field-list).
201      - add a meta file in exp. which starts from a pickup: 2 cases:
202        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
203         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
204        b) a meta file describing the content of the associated pickup file
205         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
206    o pkg/mdsio & pkg/rw:
207      - new routine to read a meta file ; new set of routine to read
208        Multiple-fields file (with meta file).
209    o added open boundary conditions capability for seaice
210        HSNOW, HSALT, UICE, and VICE
211    
212    checkpoint59i
213    o adjoint:
214      * fix multiDimAdvection adjoint
215        (partial recomputation problem by TAF for fVerT(:,:,kDown)
216        and comlev1 size definition (maxpass vs. max. number of tracers)
217      * verification/global_ocean.90x45x15 adjoint now tests
218        NLFS and multiDimAdvection using DST3 (=30)
219      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
220    o pkg/kpp: add "_d 0" to real constant (if missing);
221      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
222      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
223    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
224      for internal parameters related to restart process (formerly from PARAMS.h)
225      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
226    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
227      as argument. (only atm2d & obcs write_pickup have not yet been updated)
228    o pkg/monitor:
229      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
230      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
231      - account for deep Atmosphere factor and density factor (anelastic)
232    o added open boundary conditions capability for seaice HEFF and AREA
233    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
234      thermodynamics
235      - requires a little reorganization, which affects the testreport results
236        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
237        so that now the conservative form is tested
238      - add a few comments
239    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
240    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
241    o add new diagnostics to seaice: advective, diffusive fluxes (only for
242      multidim-advection, for scheme 2 they are not filled) and transports,
243      thermodynamic growth rates
244    o change units of EmPmR (inside the code, + within coupling interface)
245      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
246      Affects results @ truncation level (cg2d match) and update output of
247       experiments: lab_sea(6), global_ocean.90x40x15(10),
248      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
249      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
250      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
251      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
252    
253    checkpoint59h
254    o pkg/exf:
255      - improve vectorization by moving if-statement out of loops in
256        exf_mapfields, exf_radiation
257      - exf_bulkformulae.F: introduce 2D fields and vectorize code
258    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
259    o testreport:
260      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
261        monitor & update offline_exf_seaice exp. output.
262      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
263    o pkg/seaice:
264      - bug fix in the evp solver: boundary conditions were affected be
265        masking of zMax/zMin (changes results)
266      - minor bug fix in boundary conditions in seaice_calc_strainrates
267        (changes results for no_slip)
268      - seaice_lsr.F: make interpolation of eta dependent on boundaries
269      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
270      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
271        stress formulation and no-slip boundary conditions
272    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
273      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
274    o pkg/seaice: a first HSALT time stepping equation has been checked in
275  o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV  o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
276    in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem    in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
277    without requiring DO-IF statements    without requiring DO-IF statements
# Line 289  o in FFIELDS.h: Line 557  o in FFIELDS.h:
557       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
558  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
559  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
560      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
561        are no longer updating the vertical diffusivity array
562        (passed as argument) but are (re-) setting those arrays.
563  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
564    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
565      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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