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revision 1.893 by jmc, Fri Oct 19 19:10:24 2007 UTC revision 1.983 by mlosch, Mon Apr 28 14:25:30 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/obcs: change default to OBCSfixTopo = .true.,
8      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
9      - replace "debugMode" with "debugLevel .GE. debLevB"
10    o implementation of TAF directives for gchem,cfc,dic
11    o remove "exp5" (replaced by tutorial_deep_convection).
12    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
13      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
14      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
15      --> changes results in exp4, seaice_obcs
16    o tutorial_deep_convection :
17      update the set-up and increase resolution and domain size ; start
18      from pseudo initial conditions = output at t=120mn in order to see
19      something happening when running testreport.
20    o pkg/seaice: add os7mp as an advection scheme
21                  add check for advection schemes
22                  add a flag for restoring T and S underneath sea ice
23    o pkg/my82: add netcdf-support and diagnostics
24    o thsice pkg:
25      - Now hsMax limits snow height by turning it into ice following
26        flooding scheme (and now conserving energy)
27      - Slight rewriting of the formula in thsice_calc_thick.F
28      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
29      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
30    
31    checkpoint59p
32    o gchem / dic / cfc :
33      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
34      - add new parameter files: "data.dic" & "data.cfc" ;
35      - various re-arrangement in initialisation & header file ;
36      - fix tutorial_global_oce_biogeo for multi-threaded test.
37    o pkg/dic: test for "pickup_dic" file when restarting ;
38      if no pickup-file, can restart with a re-initialised pH (same as it did
39      before) providing pickupStrictlyMatch is set to False.
40    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
41      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
42    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
43      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
44    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
45     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
46       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
47    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
48       scheme to use for vorticty-term ;
49     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
50       (with default selectVortScheme, return to original discretisation)
51     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
52    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
53    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
54      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
55      also fix diagnostics VISCAHW & VISCA4W.
56    
57    checkpoint59o
58    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
59    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
60      move a few statemens out the main loop into separate loops
61    o pkg/shelfice:
62      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
63        (kg/m^2/s), does not break tests, because in verification/isomip,
64        rhoConstFresh=rhoConst (by accident)
65      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
66      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
67        new file model/src/seawater.F, so that they are available for all pkgs.
68      - convert potential temperature into in-situ temperature. This changes the
69        isomip tests => update tests
70    o add a flag writePickupAtEnd (default=true) to be able to suppress
71      writing a pickup at the last timestep
72    o tools/mpack-1.6 :
73      - disable automake (not working) and autoconf (not needed).
74      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
75        also cleaner with much less compilation warnings.
76    o pkg/profiles:
77      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
78      (for "less than 32 characters name" compiler requirement)
79    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
80      conditions that have a different sampling frequency than S/T/U/V obcs
81    o pkg/diagnostics (stats-diags):
82      - fix global Min/Max in case 1 processor get only empty tiles
83    o genmake2: replace (4 times)
84         make genmake_tc_1.o >> genmake_warnings 2>&1
85      with
86         COMM="$CC $CFLAGS -c genmake_tc_1.c"
87         echo $COMM >> genmake_warnings
88         $COMM >> genmake_warnings 2>&1
89      to make genmake2 always see the value of CC as specified in the optfile.
90    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
91      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
92      - modify verification advect_cs test to test SOM-advection on CS-grid.
93    o pkg/ctrl:
94      - Rewrite of ctrl_map_ini_ecco.F,
95        introducing a generic routine (ctrl_map_ini_gen.F).
96      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
97    
98    checkpoint59n
99    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
100      number in dedicate array "hdiag":
101      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
102        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
103      - many small changes (integer format) for large number of diagnostics
104      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
105        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
106    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
107      usingSphericalGrid, this allows to define the rotated grid coordinates
108      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
109      geographical coordinates according to the inverse of the rotation defined
110      by the Euler angles, so that Coriolis parameter and online-interpolation by
111      exf works with the geographical coordinates on XC/YC/XG/YG.
112      Naturally, this feature does not work with all packages, so some
113      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
114      profiles), because there the coordinates are assumed to be regular
115      spherical grid coordinates.
116    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
117      - introduce isopycnal diffusion coefficient control.
118    o tools/adjoint_options:
119      - additional control vector components.
120    o pkg/mnc: have mnc create marginally meaning full coordinate variables
121      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
122    o pkg/mypackage:
123      - add example of read/write pickup for state-var ;
124      - add entry points to the main code for state-vars diags & write-pickup.
125    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
126      transitions for useExfYearlyFields
127      - add new subroutine that determines the file to read from for
128        use*YearlyFields = .TRUE. and .FALSE.
129      - add a verification experiment to global_with_exf that tests
130        useExfYearlyFields with USE_EXF_INTERPOLATION defined
131    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
132      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
133      subroutines (which could be generated from a template, because they are
134      almost identical), for now they are included in obcs_prescribe_read.F for
135      simplicity
136    o pkg/exf:
137      - add a little more diagnostic to exf_interp_read (in analogy to
138        mds_read_field, can be turned off with debugLevel < debugLevA=1)
139      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
140        ugly but fast by unrolling short inner loops, inserting a unroll=8
141        directive in routine lagran, and splitting a loop and making do while the
142        outermost loop (the latter requires the intoduction of index arrays)
143    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
144    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
145      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
146    o verification/seaice_obcs: updated for restart test and latest options
147    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
148      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
149      for now this is only available for the C-grid code and also within
150      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
151    
152    checkpoint59m
153    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
154      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
155    o gad_som : fix flux output (& diagnostics) to have same units as other  
156      advection scheme fluxes (was previously multiplied by deltaT).  
157    o added verification/seaice_obcs both to test seaice open boundaries
158      and to provide an example matlab scrpt for generating them
159    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
160    o pkg/salt_plume: clean up salt_plume_frac.F to
161      remove redundancy in PlumeMethod 1 and 4
162    o pkg/kpp: added saltplume diagnostics
163    o pkg/obcs and pkg/seaice:
164      - do not set uice and vice to zero when OB*icefile are unspecified
165      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
166      - moved seaice tracer obcs after call to seaice_growth
167    o pkg/salt_plume: added various options for salt plume depth
168      criterion and for vertical distribution of the salt
169    
170    checkpoint59l
171    o pkg/ptracers: new version of ptracers pickup:
172      read meta file and write only fields which are needed to restart.
173      ( same logic as main pickup file ; also using pickupStrictlyMatch )
174    o pkg/seaice:
175      - add timescale for melting due to warm mixed layer as a means of
176        setting SEAICE_availHeatFrac more conveniently
177      - add a CPP-flag/runtime parameter check for flooding algorithm
178      - reformulated availHeat in seaice_growth.F to be independent of AREA
179    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
180      unit changes
181    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
182    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
183      SX vector computer.
184    o pkg/seaice:
185      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
186        seaice forcing fields can now be read only through pkg/exf
187      - removed some unused halos
188    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
189    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
190      or U/VICE from U/VWIND before computing U/VSTRESS
191    
192    checkpoint59k
193    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
194      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
195    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
196      all experiments pass when compile with un-initialised var. checking option.
197    o added pkg/salt_plume
198    o script to test restart (for now, in MITgcm_contrib/jmc_script)
199    o pkg/seaice: new read/write pickup version.
200      read meta file and write only fields which are needed to restart.
201      ( same logic as main pickup file ; also using pickupStrictlyMatch )
202    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
203    o lab_sea.hb87: modify the domain & update output.hb87.txt :
204      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
205      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
206      process. Fixed here by closing the domain at the Northern boundary.
207    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
208    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
209      a set of consecutive levels in/from a 3-D array.
210    o pkg/ptracers:
211      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
212      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
213    
214    checkpoint59j
215    o in pkgs: dic, obcs, offline, rbcs:
216      standard way to compute coeff. for time interpolation between 2 time reccords
217      which retains full precision (& make results less dependent on compiler).
218      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
219    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
220      packages instead of reading ice cover and wind speed separately
221    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
222     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
223      to allow to compile customized code before the update)
224    o cleaning-up:
225      - fix CPP instruction syntax in pkg/obcs
226      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
227        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
228      - fix some threads issue in IO parts.
229    o pkg/dic:
230      - add tons of "_d 0" (--> much better testreports !)
231       and then update outputs of tutorial_global_oce_biogeo
232    o pkg/mom_fluxform:
233      add a special version of momentum advection intended to conserve momentum
234      next to a bathymetry step or a coastline edge. (default = off = #undef)
235    o new read/write pickup version:
236      - for now, only implemented for main (mdsio) pickup file.
237      - write out only what is needed to restart; merge pickup_nh , pickup_ph
238        and main pickup together.
239      - read meta file; read only what is needed to restart; stop if a field
240        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
241        if it make sense (even if the restart is not perfect).
242      - if no meta file, assume that pickup to read corresponds exactly to
243        a pickup that would currently be written.
244      - read pickup written in the old format (until checkpoint59i) if it
245        recognizes an old meta file (no field-list).
246      - add a meta file in exp. which starts from a pickup: 2 cases:
247        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
248         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
249        b) a meta file describing the content of the associated pickup file
250         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
251    o pkg/mdsio & pkg/rw:
252      - new routine to read a meta file ; new set of routine to read
253        Multiple-fields file (with meta file).
254    o added open boundary conditions capability for seaice
255        HSNOW, HSALT, UICE, and VICE
256    
257    checkpoint59i
258    o adjoint:
259      * fix multiDimAdvection adjoint
260        (partial recomputation problem by TAF for fVerT(:,:,kDown)
261        and comlev1 size definition (maxpass vs. max. number of tracers)
262      * verification/global_ocean.90x45x15 adjoint now tests
263        NLFS and multiDimAdvection using DST3 (=30)
264      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
265    o pkg/kpp: add "_d 0" to real constant (if missing);
266      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
267      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
268  o prepare for "clever pickup" implementation: add new header file "RESTART.h"  o prepare for "clever pickup" implementation: add new header file "RESTART.h"
269    for internal parameters related to restart process (formerly from PARAMS.h)    for internal parameters related to restart process (formerly from PARAMS.h)
270    and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.    and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
# Line 25  o add a little bit of code to gad_os7mp_ Line 286  o add a little bit of code to gad_os7mp_
286  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
287    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
288    thermodynamic growth rates    thermodynamic growth rates
289  o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but  o change units of EmPmR (inside the code, + within coupling interface)
290    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
291    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
292       experiments: lab_sea(6), global_ocean.90x40x15(10),
293    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
294    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
295      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
296    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
297    
298  checkpoint59h  checkpoint59h

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