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revision 1.877 by dimitri, Tue Sep 18 21:18:12 2007 UTC revision 1.969 by jmc, Tue Apr 1 02:06:54 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/mom_vecinv: - new parameter "selectVortScheme" to select which
8       scheme to use for vorticty-term ;
9     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
10       (with default selectVortScheme, return to original discretisation)
11     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
12    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
13    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
14      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
15      also fix diagnostics VISCAHW & VISCA4W.
16    
17    checkpoint59o
18    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
19    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
20      move a few statemens out the main loop into separate loops
21    o pkg/shelfice:
22      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
23        (kg/m^2/s), does not break tests, because in verification/isomip,
24        rhoConstFresh=rhoConst (by accident)
25      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
26      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
27        new file model/src/seawater.F, so that they are available for all pkgs.
28      - convert potential temperature into in-situ temperature. This changes the
29        isomip tests => update tests
30    o add a flag writePickupAtEnd (default=true) to be able to suppress
31      writing a pickup at the last timestep
32    o tools/mpack-1.6 :
33      - disable automake (not working) and autoconf (not needed).
34      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
35        also cleaner with much less compilation warnings.
36    o pkg/profiles:
37      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
38      (for "less than 32 characters name" compiler requirement)
39    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
40      conditions that have a different sampling frequency than S/T/U/V obcs
41    o pkg/diagnostics (stats-diags):
42      - fix global Min/Max in case 1 processor get only empty tiles
43    o genmake2: replace (4 times)
44         make genmake_tc_1.o >> genmake_warnings 2>&1
45      with
46         COMM="$CC $CFLAGS -c genmake_tc_1.c"
47         echo $COMM >> genmake_warnings
48         $COMM >> genmake_warnings 2>&1
49      to make genmake2 always see the value of CC as specified in the optfile.
50    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
51      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
52      - modify verification advect_cs test to test SOM-advection on CS-grid.
53    o pkg/ctrl:
54      - Rewrite of ctrl_map_ini_ecco.F,
55        introducing a generic routine (ctrl_map_ini_gen.F).
56      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
57    
58    checkpoint59n
59    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
60      number in dedicate array "hdiag":
61      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
62        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
63      - many small changes (integer format) for large number of diagnostics
64      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
65        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
66    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
67      usingSphericalGrid, this allows to define the rotated grid coordinates
68      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
69      geographical coordinates according to the inverse of the rotation defined
70      by the Euler angles, so that Coriolis parameter and online-interpolation by
71      exf works with the geographical coordinates on XC/YC/XG/YG.
72      Naturally, this feature does not work with all packages, so some
73      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
74      profiles), because there the coordinates are assumed to be regular
75      spherical grid coordinates.
76    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
77      - introduce isopycnal diffusion coefficient control.
78    o tools/adjoint_options:
79      - additional control vector components.
80    o pkg/mnc: have mnc create marginally meaning full coordinate variables
81      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
82    o pkg/mypackage:
83      - add example of read/write pickup for state-var ;
84      - add entry points to the main code for state-vars diags & write-pickup.
85    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
86      transitions for useExfYearlyFields
87      - add new subroutine that determines the file to read from for
88        use*YearlyFields = .TRUE. and .FALSE.
89      - add a verification experiment to global_with_exf that tests
90        useExfYearlyFields with USE_EXF_INTERPOLATION defined
91    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
92      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
93      subroutines (which could be generated from a template, because they are
94      almost identical), for now they are included in obcs_prescribe_read.F for
95      simplicity
96    o pkg/exf:
97      - add a little more diagnostic to exf_interp_read (in analogy to
98        mds_read_field, can be turned off with debugLevel < debugLevA=1)
99      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
100        ugly but fast by unrolling short inner loops, inserting a unroll=8
101        directive in routine lagran, and splitting a loop and making do while the
102        outermost loop (the latter requires the intoduction of index arrays)
103    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
104    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
105      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
106    o verification/seaice_obcs: updated for restart test and latest options
107    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
108      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
109      for now this is only available for the C-grid code and also within
110      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
111    
112    checkpoint59m
113    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
114      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
115    o gad_som : fix flux output (& diagnostics) to have same units as other  
116      advection scheme fluxes (was previously multiplied by deltaT).  
117    o added verification/seaice_obcs both to test seaice open boundaries
118      and to provide an example matlab scrpt for generating them
119    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
120    o pkg/salt_plume: clean up salt_plume_frac.F to
121      remove redundancy in PlumeMethod 1 and 4
122    o pkg/kpp: added saltplume diagnostics
123    o pkg/obcs and pkg/seaice:
124      - do not set uice and vice to zero when OB*icefile are unspecified
125      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
126      - moved seaice tracer obcs after call to seaice_growth
127    o pkg/salt_plume: added various options for salt plume depth
128      criterion and for vertical distribution of the salt
129    
130    checkpoint59l
131    o pkg/ptracers: new version of ptracers pickup:
132      read meta file and write only fields which are needed to restart.
133      ( same logic as main pickup file ; also using pickupStrictlyMatch )
134    o pkg/seaice:
135      - add timescale for melting due to warm mixed layer as a means of
136        setting SEAICE_availHeatFrac more conveniently
137      - add a CPP-flag/runtime parameter check for flooding algorithm
138      - reformulated availHeat in seaice_growth.F to be independent of AREA
139    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
140      unit changes
141    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
142    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
143      SX vector computer.
144    o pkg/seaice:
145      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
146        seaice forcing fields can now be read only through pkg/exf
147      - removed some unused halos
148    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
149    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
150      or U/VICE from U/VWIND before computing U/VSTRESS
151    
152    checkpoint59k
153    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
154      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
155    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
156      all experiments pass when compile with un-initialised var. checking option.
157    o added pkg/salt_plume
158    o script to test restart (for now, in MITgcm_contrib/jmc_script)
159    o pkg/seaice: new read/write pickup version.
160      read meta file and write only fields which are needed to restart.
161      ( same logic as main pickup file ; also using pickupStrictlyMatch )
162    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
163    o lab_sea.hb87: modify the domain & update output.hb87.txt :
164      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
165      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
166      process. Fixed here by closing the domain at the Northern boundary.
167    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
168    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
169      a set of consecutive levels in/from a 3-D array.
170    o pkg/ptracers:
171      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
172      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
173    
174    checkpoint59j
175    o in pkgs: dic, obcs, offline, rbcs:
176      standard way to compute coeff. for time interpolation between 2 time reccords
177      which retains full precision (& make results less dependent on compiler).
178      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
179    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
180      packages instead of reading ice cover and wind speed separately
181    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
182     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
183      to allow to compile customized code before the update)
184    o cleaning-up:
185      - fix CPP instruction syntax in pkg/obcs
186      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
187        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
188      - fix some threads issue in IO parts.
189    o pkg/dic:
190      - add tons of "_d 0" (--> much better testreports !)
191       and then update outputs of tutorial_global_oce_biogeo
192    o pkg/mom_fluxform:
193      add a special version of momentum advection intended to conserve momentum
194      next to a bathymetry step or a coastline edge. (default = off = #undef)
195    o new read/write pickup version:
196      - for now, only implemented for main (mdsio) pickup file.
197      - write out only what is needed to restart; merge pickup_nh , pickup_ph
198        and main pickup together.
199      - read meta file; read only what is needed to restart; stop if a field
200        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
201        if it make sense (even if the restart is not perfect).
202      - if no meta file, assume that pickup to read corresponds exactly to
203        a pickup that would currently be written.
204      - read pickup written in the old format (until checkpoint59i) if it
205        recognizes an old meta file (no field-list).
206      - add a meta file in exp. which starts from a pickup: 2 cases:
207        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
208         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
209        b) a meta file describing the content of the associated pickup file
210         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
211    o pkg/mdsio & pkg/rw:
212      - new routine to read a meta file ; new set of routine to read
213        Multiple-fields file (with meta file).
214    o added open boundary conditions capability for seaice
215        HSNOW, HSALT, UICE, and VICE
216    
217    checkpoint59i
218    o adjoint:
219      * fix multiDimAdvection adjoint
220        (partial recomputation problem by TAF for fVerT(:,:,kDown)
221        and comlev1 size definition (maxpass vs. max. number of tracers)
222      * verification/global_ocean.90x45x15 adjoint now tests
223        NLFS and multiDimAdvection using DST3 (=30)
224      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
225    o pkg/kpp: add "_d 0" to real constant (if missing);
226      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
227      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
228    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
229      for internal parameters related to restart process (formerly from PARAMS.h)
230      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
231    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
232      as argument. (only atm2d & obcs write_pickup have not yet been updated)
233    o pkg/monitor:
234      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
235      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
236      - account for deep Atmosphere factor and density factor (anelastic)
237    o added open boundary conditions capability for seaice HEFF and AREA
238    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
239      thermodynamics
240      - requires a little reorganization, which affects the testreport results
241        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
242        so that now the conservative form is tested
243      - add a few comments
244    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
245    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
246    o add new diagnostics to seaice: advective, diffusive fluxes (only for
247      multidim-advection, for scheme 2 they are not filled) and transports,
248      thermodynamic growth rates
249    o change units of EmPmR (inside the code, + within coupling interface)
250      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
251      Affects results @ truncation level (cg2d match) and update output of
252       experiments: lab_sea(6), global_ocean.90x40x15(10),
253      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
254      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
255      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
256      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
257    
258    checkpoint59h
259    o pkg/exf:
260      - improve vectorization by moving if-statement out of loops in
261        exf_mapfields, exf_radiation
262      - exf_bulkformulae.F: introduce 2D fields and vectorize code
263    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
264    o testreport:
265      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
266        monitor & update offline_exf_seaice exp. output.
267      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
268    o pkg/seaice:
269      - bug fix in the evp solver: boundary conditions were affected be
270        masking of zMax/zMin (changes results)
271      - minor bug fix in boundary conditions in seaice_calc_strainrates
272        (changes results for no_slip)
273      - seaice_lsr.F: make interpolation of eta dependent on boundaries
274      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
275      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
276        stress formulation and no-slip boundary conditions
277    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
278      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
279  o pkg/seaice: a first HSALT time stepping equation has been checked in  o pkg/seaice: a first HSALT time stepping equation has been checked in
280  o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV  o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
281    in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem    in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
# Line 290  o in FFIELDS.h: Line 562  o in FFIELDS.h:
562       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
563  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
564  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
565      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
566        are no longer updating the vertical diffusivity array
567        (passed as argument) but are (re-) setting those arrays.
568  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
569    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
570      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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