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revision 1.914 by dimitri, Thu Nov 29 16:29:12 2007 UTC revision 1.1008 by mlosch, Mon Jun 30 14:26:26 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/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
8      is exceeded
9    o testreport: modify syntax of awk, so that it works also with
10      awk, and not only with nawk and gawk
11    
12    checkpoint61
13    o autodiff
14      Change default for TAF usage by removing argument '-nonew_arg'
15      This changes TAF subroutine argument list (ordering of active var.)
16      Omission of this flag leads to incompatibility w.r.t. TAMC
17      To restore TAMC-compatibility, need following modifs:
18      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
19      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
20      Tested TAF version is 1.9.22
21      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
22    
23    checkpoint60
24    --->>> This is the last checkpoint for which generating the adjoint
25    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
26    --->>> by default.
27    --->>> Future checkpoints will ommit this flag by default.
28    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
29    o pkg/grdchk: Add gradient check to etan0 perturbations.
30    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
31    o pkg/autodiff: more flexibility in zeroadj.
32      model/src: modifying do_oceanic_phys.F accordingly.
33    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
34    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
35      special setup of gmredi for which the adjoint is stable
36      enough for parameter optimization.
37    o bridging the gap between eddy stress and GM.
38      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
39          along with a change in CPP option (now ALLOW_EDDYPSI).
40      -> when using GM w/ GM_AdvForm:
41          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
42          is applied either in the tracer Eq. or in momentum Eq.
43          depending on data.gmredi (intro. GM_InMomAsStress).
44      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
45      The key modifications are in model/src/taueddy_external_forcing.F
46      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
47    
48    checkpoint59r
49    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
50      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
51      fix option to read coriolis(@ cell-corner) from files with CS-grid.
52    o pkg/mnc: add some attributes to standard 1D-coordinate variables
53    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
54      mass points, when using mnc for output
55      - add runtime parameter (missing_value, missing_value_int) to override
56        default (which is the value of getcon('UNDEF'))
57    o pkg/mnc: prepare mnc for the actual use of missing values with the
58      diagnostics package: small fix in mnc_cw_readwrite.template and more
59      initialisation of never used fields
60      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
61      versions
62    o pkg/thsice/thsice_ini_vars.F added default initial values so that
63      thermodynamics sea ice solver does not blow up when some initial fields
64      are missing.
65    o move from external_forcing_surf.F to ini_forcing.F
66      the p-coord. hack consisting in using pLoad to set phi0surf ;
67      update output of tutorial_global_oce_in_p (affected @ truncation level).
68    o Freshen up a bit hs94.1x64x5, notably:
69      remove rotationPeriod and tRef=5*0. (adjoint only), and add
70      exactConserv=.TRUE.
71    o pkg/generic_advdiff:
72      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
73      applies to files where Temperature & Salinity 2nd Order moments are used.
74    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
75      this uses a dynamically allocated internal state data structure
76      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
77      and requires a fortran 90 compiler
78    
79    checkpoint59q
80    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
81       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
82    o Refresh tutorial_global_oce_biogeo, notably:
83      - change bathymetry (put back seamounts in ACC, use hFacs)
84      - change EOS (POLY3 --> JMD95Z)
85      - use Bryan-Lewis vertical diffusivity
86      - use multidimensional advection
87      - remove old virtual virtual in dic pkg, now done through ptracer pkg
88      - change a couple of parameters in dic pkg
89    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
90    o pkg/obcs: change default to OBCSfixTopo = .true.,
91      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
92      - replace "debugMode" with "debugLevel .GE. debLevB"
93    o implementation of TAF directives for gchem,cfc,dic
94    o remove "exp5" (replaced by tutorial_deep_convection).
95    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
96      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
97      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
98      --> changes results in exp4, seaice_obcs
99    o tutorial_deep_convection :
100      update the set-up and increase resolution and domain size ; start
101      from pseudo initial conditions = output at t=120mn in order to see
102      something happening when running testreport.
103    o pkg/seaice: add os7mp as an advection scheme
104                  add check for advection schemes
105                  add a flag for restoring T and S underneath sea ice
106    o pkg/my82: add netcdf-support and diagnostics
107    o thsice pkg:
108      - Now hsMax limits snow height by turning it into ice following
109        flooding scheme (and now conserving energy)
110      - Slight rewriting of the formula in thsice_calc_thick.F
111      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
112      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
113    
114    checkpoint59p
115    o gchem / dic / cfc :
116      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
117      - add new parameter files: "data.dic" & "data.cfc" ;
118      - various re-arrangement in initialisation & header file ;
119      - fix tutorial_global_oce_biogeo for multi-threaded test.
120    o pkg/dic: test for "pickup_dic" file when restarting ;
121      if no pickup-file, can restart with a re-initialised pH (same as it did
122      before) providing pickupStrictlyMatch is set to False.
123    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
124      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
125    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
126      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
127    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
128     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
129       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
130    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
131       scheme to use for vorticty-term ;
132     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
133       (with default selectVortScheme, return to original discretisation)
134     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
135    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
136    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
137      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
138      also fix diagnostics VISCAHW & VISCA4W.
139    
140    checkpoint59o
141    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
142    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
143      move a few statemens out the main loop into separate loops
144    o pkg/shelfice:
145      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
146        (kg/m^2/s), does not break tests, because in verification/isomip,
147        rhoConstFresh=rhoConst (by accident)
148      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
149      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
150        new file model/src/seawater.F, so that they are available for all pkgs.
151      - convert potential temperature into in-situ temperature. This changes the
152        isomip tests => update tests
153    o add a flag writePickupAtEnd (default=true) to be able to suppress
154      writing a pickup at the last timestep
155    o tools/mpack-1.6 :
156      - disable automake (not working) and autoconf (not needed).
157      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
158        also cleaner with much less compilation warnings.
159    o pkg/profiles:
160      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
161      (for "less than 32 characters name" compiler requirement)
162    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
163      conditions that have a different sampling frequency than S/T/U/V obcs
164    o pkg/diagnostics (stats-diags):
165      - fix global Min/Max in case 1 processor get only empty tiles
166    o genmake2: replace (4 times)
167         make genmake_tc_1.o >> genmake_warnings 2>&1
168      with
169         COMM="$CC $CFLAGS -c genmake_tc_1.c"
170         echo $COMM >> genmake_warnings
171         $COMM >> genmake_warnings 2>&1
172      to make genmake2 always see the value of CC as specified in the optfile.
173    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
174      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
175      - modify verification advect_cs test to test SOM-advection on CS-grid.
176    o pkg/ctrl:
177      - Rewrite of ctrl_map_ini_ecco.F,
178        introducing a generic routine (ctrl_map_ini_gen.F).
179      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
180    
181    checkpoint59n
182    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
183      number in dedicate array "hdiag":
184      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
185        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
186      - many small changes (integer format) for large number of diagnostics
187      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
188        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
189    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
190      usingSphericalGrid, this allows to define the rotated grid coordinates
191      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
192      geographical coordinates according to the inverse of the rotation defined
193      by the Euler angles, so that Coriolis parameter and online-interpolation by
194      exf works with the geographical coordinates on XC/YC/XG/YG.
195      Naturally, this feature does not work with all packages, so some
196      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
197      profiles), because there the coordinates are assumed to be regular
198      spherical grid coordinates.
199    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
200      - introduce isopycnal diffusion coefficient control.
201    o tools/adjoint_options:
202      - additional control vector components.
203    o pkg/mnc: have mnc create marginally meaning full coordinate variables
204      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
205    o pkg/mypackage:
206      - add example of read/write pickup for state-var ;
207      - add entry points to the main code for state-vars diags & write-pickup.
208    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
209      transitions for useExfYearlyFields
210      - add new subroutine that determines the file to read from for
211        use*YearlyFields = .TRUE. and .FALSE.
212      - add a verification experiment to global_with_exf that tests
213        useExfYearlyFields with USE_EXF_INTERPOLATION defined
214    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
215      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
216      subroutines (which could be generated from a template, because they are
217      almost identical), for now they are included in obcs_prescribe_read.F for
218      simplicity
219    o pkg/exf:
220      - add a little more diagnostic to exf_interp_read (in analogy to
221        mds_read_field, can be turned off with debugLevel < debugLevA=1)
222      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
223        ugly but fast by unrolling short inner loops, inserting a unroll=8
224        directive in routine lagran, and splitting a loop and making do while the
225        outermost loop (the latter requires the intoduction of index arrays)
226    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
227    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
228      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
229    o verification/seaice_obcs: updated for restart test and latest options
230    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
231      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
232      for now this is only available for the C-grid code and also within
233      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
234    
235    checkpoint59m
236    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
237      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
238    o gad_som : fix flux output (& diagnostics) to have same units as other  
239      advection scheme fluxes (was previously multiplied by deltaT).  
240    o added verification/seaice_obcs both to test seaice open boundaries
241      and to provide an example matlab scrpt for generating them
242    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
243    o pkg/salt_plume: clean up salt_plume_frac.F to
244      remove redundancy in PlumeMethod 1 and 4
245    o pkg/kpp: added saltplume diagnostics
246    o pkg/obcs and pkg/seaice:
247      - do not set uice and vice to zero when OB*icefile are unspecified
248      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
249      - moved seaice tracer obcs after call to seaice_growth
250    o pkg/salt_plume: added various options for salt plume depth
251      criterion and for vertical distribution of the salt
252    
253    checkpoint59l
254    o pkg/ptracers: new version of ptracers pickup:
255      read meta file and write only fields which are needed to restart.
256      ( same logic as main pickup file ; also using pickupStrictlyMatch )
257    o pkg/seaice:
258      - add timescale for melting due to warm mixed layer as a means of
259        setting SEAICE_availHeatFrac more conveniently
260      - add a CPP-flag/runtime parameter check for flooding algorithm
261      - reformulated availHeat in seaice_growth.F to be independent of AREA
262    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
263      unit changes
264    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
265    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
266      SX vector computer.
267    o pkg/seaice:
268      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
269        seaice forcing fields can now be read only through pkg/exf
270      - removed some unused halos
271    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
272    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
273      or U/VICE from U/VWIND before computing U/VSTRESS
274    
275    checkpoint59k
276  o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between  o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
277    dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.    dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
278  o fix un-initialised variable problem (in mom_vecinv & shap_filt):  o fix un-initialised variable problem (in mom_vecinv & shap_filt):
279    all experiments pass when compile with un-initilised var. checking option.    all experiments pass when compile with un-initialised var. checking option.
280  o added pkg/salt_plume  o added pkg/salt_plume
281  o script to test restart (for now, in MITgcm_contrib/jmc_script)  o script to test restart (for now, in MITgcm_contrib/jmc_script)
282  o pkg/seaice: new read/write pickup version.  o pkg/seaice: new read/write pickup version.

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