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revision 1.893 by jmc, Fri Oct 19 19:10:24 2007 UTC revision 1.1001 by gforget, Wed Jun 11 18:56:14 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/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
8    o pkg/autodiff: more flexibility in zeroadj.
9      model/src: modifying do_oceanic_phys.F accordingly.
10    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
11    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
12      special setup of gmredi for which the adjoint is stable
13      enough for parameter optimization.
14    o bridging the gap between eddy stress and GM.
15      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
16          along with a change in CPP option (now ALLOW_EDDYPSI).
17      -> when using GM w/ GM_AdvForm:
18          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
19          is applied either in the tracer Eq. or in momentum Eq.
20          depending on data.gmredi (intro. GM_InMomAsStress).
21      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
22      The key modifications are in model/src/taueddy_external_forcing.F
23      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
24    checkpoint59r
25    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
26      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
27      fix option to read coriolis(@ cell-corner) from files with CS-grid.
28    o pkg/mnc: add some attributes to standard 1D-coordinate variables
29    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
30      mass points, when using mnc for output
31      - add runtime parameter (missing_value, missing_value_int) to override
32        default (which is the value of getcon('UNDEF'))
33    o pkg/mnc: prepare mnc for the actual use of missing values with the
34      diagnostics package: small fix in mnc_cw_readwrite.template and more
35      initialisation of never used fields
36      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
37      versions
38    o pkg/thsice/thsice_ini_vars.F added default initial values so that
39      thermodynamics sea ice solver does not blow up when some initial fields
40      are missing.
41    o move from external_forcing_surf.F to ini_forcing.F
42      the p-coord. hack consisting in using pLoad to set phi0surf ;
43      update output of tutorial_global_oce_in_p (affected @ truncation level).
44    o Freshen up a bit hs94.1x64x5, notably:
45      remove rotationPeriod and tRef=5*0. (adjoint only), and add
46      exactConserv=.TRUE.
47    o pkg/generic_advdiff:
48      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
49      applies to files where Temperature & Salinity 2nd Order moments are used.
50    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
51      this uses a dynamically allocated internal state data structure
52      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
53      and requires a fortran 90 compiler
54    
55    checkpoint59q
56    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
57       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
58    o Refresh tutorial_global_oce_biogeo, notably:
59      - change bathymetry (put back seamounts in ACC, use hFacs)
60      - change EOS (POLY3 --> JMD95Z)
61      - use Bryan-Lewis vertical diffusivity
62      - use multidimensional advection
63      - remove old virtual virtual in dic pkg, now done through ptracer pkg
64      - change a couple of parameters in dic pkg
65    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
66    o pkg/obcs: change default to OBCSfixTopo = .true.,
67      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
68      - replace "debugMode" with "debugLevel .GE. debLevB"
69    o implementation of TAF directives for gchem,cfc,dic
70    o remove "exp5" (replaced by tutorial_deep_convection).
71    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
72      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
73      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
74      --> changes results in exp4, seaice_obcs
75    o tutorial_deep_convection :
76      update the set-up and increase resolution and domain size ; start
77      from pseudo initial conditions = output at t=120mn in order to see
78      something happening when running testreport.
79    o pkg/seaice: add os7mp as an advection scheme
80                  add check for advection schemes
81                  add a flag for restoring T and S underneath sea ice
82    o pkg/my82: add netcdf-support and diagnostics
83    o thsice pkg:
84      - Now hsMax limits snow height by turning it into ice following
85        flooding scheme (and now conserving energy)
86      - Slight rewriting of the formula in thsice_calc_thick.F
87      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
88      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
89    
90    checkpoint59p
91    o gchem / dic / cfc :
92      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
93      - add new parameter files: "data.dic" & "data.cfc" ;
94      - various re-arrangement in initialisation & header file ;
95      - fix tutorial_global_oce_biogeo for multi-threaded test.
96    o pkg/dic: test for "pickup_dic" file when restarting ;
97      if no pickup-file, can restart with a re-initialised pH (same as it did
98      before) providing pickupStrictlyMatch is set to False.
99    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
100      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
101    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
102      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
103    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
104     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
105       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
106    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
107       scheme to use for vorticty-term ;
108     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
109       (with default selectVortScheme, return to original discretisation)
110     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
111    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
112    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
113      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
114      also fix diagnostics VISCAHW & VISCA4W.
115    
116    checkpoint59o
117    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
118    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
119      move a few statemens out the main loop into separate loops
120    o pkg/shelfice:
121      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
122        (kg/m^2/s), does not break tests, because in verification/isomip,
123        rhoConstFresh=rhoConst (by accident)
124      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
125      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
126        new file model/src/seawater.F, so that they are available for all pkgs.
127      - convert potential temperature into in-situ temperature. This changes the
128        isomip tests => update tests
129    o add a flag writePickupAtEnd (default=true) to be able to suppress
130      writing a pickup at the last timestep
131    o tools/mpack-1.6 :
132      - disable automake (not working) and autoconf (not needed).
133      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
134        also cleaner with much less compilation warnings.
135    o pkg/profiles:
136      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
137      (for "less than 32 characters name" compiler requirement)
138    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
139      conditions that have a different sampling frequency than S/T/U/V obcs
140    o pkg/diagnostics (stats-diags):
141      - fix global Min/Max in case 1 processor get only empty tiles
142    o genmake2: replace (4 times)
143         make genmake_tc_1.o >> genmake_warnings 2>&1
144      with
145         COMM="$CC $CFLAGS -c genmake_tc_1.c"
146         echo $COMM >> genmake_warnings
147         $COMM >> genmake_warnings 2>&1
148      to make genmake2 always see the value of CC as specified in the optfile.
149    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
150      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
151      - modify verification advect_cs test to test SOM-advection on CS-grid.
152    o pkg/ctrl:
153      - Rewrite of ctrl_map_ini_ecco.F,
154        introducing a generic routine (ctrl_map_ini_gen.F).
155      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
156    
157    checkpoint59n
158    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
159      number in dedicate array "hdiag":
160      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
161        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
162      - many small changes (integer format) for large number of diagnostics
163      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
164        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
165    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
166      usingSphericalGrid, this allows to define the rotated grid coordinates
167      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
168      geographical coordinates according to the inverse of the rotation defined
169      by the Euler angles, so that Coriolis parameter and online-interpolation by
170      exf works with the geographical coordinates on XC/YC/XG/YG.
171      Naturally, this feature does not work with all packages, so some
172      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
173      profiles), because there the coordinates are assumed to be regular
174      spherical grid coordinates.
175    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
176      - introduce isopycnal diffusion coefficient control.
177    o tools/adjoint_options:
178      - additional control vector components.
179    o pkg/mnc: have mnc create marginally meaning full coordinate variables
180      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
181    o pkg/mypackage:
182      - add example of read/write pickup for state-var ;
183      - add entry points to the main code for state-vars diags & write-pickup.
184    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
185      transitions for useExfYearlyFields
186      - add new subroutine that determines the file to read from for
187        use*YearlyFields = .TRUE. and .FALSE.
188      - add a verification experiment to global_with_exf that tests
189        useExfYearlyFields with USE_EXF_INTERPOLATION defined
190    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
191      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
192      subroutines (which could be generated from a template, because they are
193      almost identical), for now they are included in obcs_prescribe_read.F for
194      simplicity
195    o pkg/exf:
196      - add a little more diagnostic to exf_interp_read (in analogy to
197        mds_read_field, can be turned off with debugLevel < debugLevA=1)
198      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
199        ugly but fast by unrolling short inner loops, inserting a unroll=8
200        directive in routine lagran, and splitting a loop and making do while the
201        outermost loop (the latter requires the intoduction of index arrays)
202    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
203    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
204      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
205    o verification/seaice_obcs: updated for restart test and latest options
206    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
207      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
208      for now this is only available for the C-grid code and also within
209      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
210    
211    checkpoint59m
212    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
213      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
214    o gad_som : fix flux output (& diagnostics) to have same units as other  
215      advection scheme fluxes (was previously multiplied by deltaT).  
216    o added verification/seaice_obcs both to test seaice open boundaries
217      and to provide an example matlab scrpt for generating them
218    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
219    o pkg/salt_plume: clean up salt_plume_frac.F to
220      remove redundancy in PlumeMethod 1 and 4
221    o pkg/kpp: added saltplume diagnostics
222    o pkg/obcs and pkg/seaice:
223      - do not set uice and vice to zero when OB*icefile are unspecified
224      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
225      - moved seaice tracer obcs after call to seaice_growth
226    o pkg/salt_plume: added various options for salt plume depth
227      criterion and for vertical distribution of the salt
228    
229    checkpoint59l
230    o pkg/ptracers: new version of ptracers pickup:
231      read meta file and write only fields which are needed to restart.
232      ( same logic as main pickup file ; also using pickupStrictlyMatch )
233    o pkg/seaice:
234      - add timescale for melting due to warm mixed layer as a means of
235        setting SEAICE_availHeatFrac more conveniently
236      - add a CPP-flag/runtime parameter check for flooding algorithm
237      - reformulated availHeat in seaice_growth.F to be independent of AREA
238    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
239      unit changes
240    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
241    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
242      SX vector computer.
243    o pkg/seaice:
244      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
245        seaice forcing fields can now be read only through pkg/exf
246      - removed some unused halos
247    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
248    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
249      or U/VICE from U/VWIND before computing U/VSTRESS
250    
251    checkpoint59k
252    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
253      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
254    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
255      all experiments pass when compile with un-initialised var. checking option.
256    o added pkg/salt_plume
257    o script to test restart (for now, in MITgcm_contrib/jmc_script)
258    o pkg/seaice: new read/write pickup version.
259      read meta file and write only fields which are needed to restart.
260      ( same logic as main pickup file ; also using pickupStrictlyMatch )
261    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
262    o lab_sea.hb87: modify the domain & update output.hb87.txt :
263      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
264      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
265      process. Fixed here by closing the domain at the Northern boundary.
266    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
267    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
268      a set of consecutive levels in/from a 3-D array.
269    o pkg/ptracers:
270      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
271      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
272    
273    checkpoint59j
274    o in pkgs: dic, obcs, offline, rbcs:
275      standard way to compute coeff. for time interpolation between 2 time reccords
276      which retains full precision (& make results less dependent on compiler).
277      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
278    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
279      packages instead of reading ice cover and wind speed separately
280    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
281     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
282      to allow to compile customized code before the update)
283    o cleaning-up:
284      - fix CPP instruction syntax in pkg/obcs
285      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
286        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
287      - fix some threads issue in IO parts.
288    o pkg/dic:
289      - add tons of "_d 0" (--> much better testreports !)
290       and then update outputs of tutorial_global_oce_biogeo
291    o pkg/mom_fluxform:
292      add a special version of momentum advection intended to conserve momentum
293      next to a bathymetry step or a coastline edge. (default = off = #undef)
294    o new read/write pickup version:
295      - for now, only implemented for main (mdsio) pickup file.
296      - write out only what is needed to restart; merge pickup_nh , pickup_ph
297        and main pickup together.
298      - read meta file; read only what is needed to restart; stop if a field
299        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
300        if it make sense (even if the restart is not perfect).
301      - if no meta file, assume that pickup to read corresponds exactly to
302        a pickup that would currently be written.
303      - read pickup written in the old format (until checkpoint59i) if it
304        recognizes an old meta file (no field-list).
305      - add a meta file in exp. which starts from a pickup: 2 cases:
306        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
307         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
308        b) a meta file describing the content of the associated pickup file
309         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
310    o pkg/mdsio & pkg/rw:
311      - new routine to read a meta file ; new set of routine to read
312        Multiple-fields file (with meta file).
313    o added open boundary conditions capability for seaice
314        HSNOW, HSALT, UICE, and VICE
315    
316    checkpoint59i
317    o adjoint:
318      * fix multiDimAdvection adjoint
319        (partial recomputation problem by TAF for fVerT(:,:,kDown)
320        and comlev1 size definition (maxpass vs. max. number of tracers)
321      * verification/global_ocean.90x45x15 adjoint now tests
322        NLFS and multiDimAdvection using DST3 (=30)
323      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
324    o pkg/kpp: add "_d 0" to real constant (if missing);
325      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
326      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
327  o prepare for "clever pickup" implementation: add new header file "RESTART.h"  o prepare for "clever pickup" implementation: add new header file "RESTART.h"
328    for internal parameters related to restart process (formerly from PARAMS.h)    for internal parameters related to restart process (formerly from PARAMS.h)
329    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 345  o add a little bit of code to gad_os7mp_
345  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
346    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
347    thermodynamic growth rates    thermodynamic growth rates
348  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)
349    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
350    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
351       experiments: lab_sea(6), global_ocean.90x40x15(10),
352    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)
353    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
354      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
355    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
356    
357  checkpoint59h  checkpoint59h

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