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revision 1.894 by jmc, Fri Oct 19 20:34:20 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);  o pkg/kpp: add "_d 0" to real constant (if missing);
266    update output of exp: natl_box (10.digits); vermix (std, 7.digits)    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).    and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
# Line 28  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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