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revision 1.927 by dimitri, Tue Dec 18 05:34:41 2007 UTC revision 1.1022 by mlosch, Wed Sep 10 09:20:47 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  checkpoint59l  o pkg/shelfice:
8     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
9       with SHELFICEtopoFile in data.shelfice
10     - move code for reading ice shelf topography and modifying hFacC into separate
11       subroutines of the shelfice package
12     - separate initialisation of "fixed" and "variable" variables
13     - kTopC is not (yet) replaced by kSurfC, although this is possible
14    o fix a bug in diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
15    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
16      and rename:
17      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
18      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
19    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
20    
21    checkpoint61c
22    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
23      to add mass source/sink of fluid in the interior (3-D generalisation
24      of oceanic real-fresh water flux).
25    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
26    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
27    o new pkg: down_slope
28      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
29      - presently, modify T & S inland (dwnslp_calc_rho.F).
30        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
31      - implementation for ocean in P-coords not tested.
32      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
33    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
34      (to facilitate conversion of oceanic pkg to p-coordinate).
35    o change FIND_RHO to FIND_RHO_2D :
36      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
37    o new pkg: cheapaml
38    
39    checkpoint61b
40    o exch2:
41      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
42      - no longer depend on the order sequence (N,S,E,W).
43      - 3rd exchange no longer needed (tested with 24 tiles).
44      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
45      - exch_UV_A-grid readily available (but not yet tested).
46      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
47      (both are no longer needed) in exch_uv: no effect in forward run; but
48       get truncation error differences with adjoint exch.
49    o exch2:
50     - change index-bounds storage (moved from target to local tile,
51       more intuitive this way) ; rename/remove some variables.
52     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
53    
54    checkpoint61a
55    o exch2/matlab-topology-generator:
56      fix bug in index bounds for N-S internal exchange (hard to tell if this
57      had any effect on the solution).
58    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
59      is exceeded
60    o testreport: modify syntax of awk, so that it works also with
61      awk, and not only with nawk and gawk
62    
63    checkpoint61
64    o autodiff
65      Change default for TAF usage by removing argument '-nonew_arg'
66      This changes TAF subroutine argument list (ordering of active var.)
67      Omission of this flag leads to incompatibility w.r.t. TAMC
68      To restore TAMC-compatibility, need following modifs:
69      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
70      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
71      Tested TAF version is 1.9.22
72      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
73    
74    checkpoint60
75    --->>> This is the last checkpoint for which generating the adjoint
76    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
77    --->>> by default.
78    --->>> Future checkpoints will ommit this flag by default.
79    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
80    o pkg/grdchk: Add gradient check to etan0 perturbations.
81    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
82    o pkg/autodiff: more flexibility in zeroadj.
83      model/src: modifying do_oceanic_phys.F accordingly.
84    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
85    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
86      special setup of gmredi for which the adjoint is stable
87      enough for parameter optimization.
88    o bridging the gap between eddy stress and GM.
89      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
90          along with a change in CPP option (now ALLOW_EDDYPSI).
91      -> when using GM w/ GM_AdvForm:
92          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
93          is applied either in the tracer Eq. or in momentum Eq.
94          depending on data.gmredi (intro. GM_InMomAsStress).
95      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
96      The key modifications are in model/src/taueddy_external_forcing.F
97      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
98    
99    checkpoint59r
100    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
101      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
102      fix option to read coriolis(@ cell-corner) from files with CS-grid.
103    o pkg/mnc: add some attributes to standard 1D-coordinate variables
104    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
105      mass points, when using mnc for output
106      - add runtime parameter (missing_value, missing_value_int) to override
107        default (which is the value of getcon('UNDEF'))
108    o pkg/mnc: prepare mnc for the actual use of missing values with the
109      diagnostics package: small fix in mnc_cw_readwrite.template and more
110      initialisation of never used fields
111      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
112      versions
113    o pkg/thsice/thsice_ini_vars.F added default initial values so that
114      thermodynamics sea ice solver does not blow up when some initial fields
115      are missing.
116    o move from external_forcing_surf.F to ini_forcing.F
117      the p-coord. hack consisting in using pLoad to set phi0surf ;
118      update output of tutorial_global_oce_in_p (affected @ truncation level).
119    o Freshen up a bit hs94.1x64x5, notably:
120      remove rotationPeriod and tRef=5*0. (adjoint only), and add
121      exactConserv=.TRUE.
122    o pkg/generic_advdiff:
123      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
124      applies to files where Temperature & Salinity 2nd Order moments are used.
125    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
126      this uses a dynamically allocated internal state data structure
127      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
128      and requires a fortran 90 compiler
129    
130    checkpoint59q
131    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
132       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
133    o Refresh tutorial_global_oce_biogeo, notably:
134      - change bathymetry (put back seamounts in ACC, use hFacs)
135      - change EOS (POLY3 --> JMD95Z)
136      - use Bryan-Lewis vertical diffusivity
137      - use multidimensional advection
138      - remove old virtual virtual in dic pkg, now done through ptracer pkg
139      - change a couple of parameters in dic pkg
140    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
141    o pkg/obcs: change default to OBCSfixTopo = .true.,
142      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
143      - replace "debugMode" with "debugLevel .GE. debLevB"
144    o implementation of TAF directives for gchem,cfc,dic
145    o remove "exp5" (replaced by tutorial_deep_convection).
146    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
147      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
148      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
149      --> changes results in exp4, seaice_obcs
150    o tutorial_deep_convection :
151      update the set-up and increase resolution and domain size ; start
152      from pseudo initial conditions = output at t=120mn in order to see
153      something happening when running testreport.
154    o pkg/seaice: add os7mp as an advection scheme
155                  add check for advection schemes
156                  add a flag for restoring T and S underneath sea ice
157    o pkg/my82: add netcdf-support and diagnostics
158    o thsice pkg:
159      - Now hsMax limits snow height by turning it into ice following
160        flooding scheme (and now conserving energy)
161      - Slight rewriting of the formula in thsice_calc_thick.F
162      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
163      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
164    
165    checkpoint59p
166    o gchem / dic / cfc :
167      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
168      - add new parameter files: "data.dic" & "data.cfc" ;
169      - various re-arrangement in initialisation & header file ;
170      - fix tutorial_global_oce_biogeo for multi-threaded test.
171    o pkg/dic: test for "pickup_dic" file when restarting ;
172      if no pickup-file, can restart with a re-initialised pH (same as it did
173      before) providing pickupStrictlyMatch is set to False.
174    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
175      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
176    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
177      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
178    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
179     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
180       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
181    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
182       scheme to use for vorticty-term ;
183     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
184       (with default selectVortScheme, return to original discretisation)
185     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
186    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
187    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
188      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
189      also fix diagnostics VISCAHW & VISCA4W.
190    
191    checkpoint59o
192    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
193    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
194      move a few statemens out the main loop into separate loops
195    o pkg/shelfice:
196      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
197        (kg/m^2/s), does not break tests, because in verification/isomip,
198        rhoConstFresh=rhoConst (by accident)
199      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
200      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
201        new file model/src/seawater.F, so that they are available for all pkgs.
202      - convert potential temperature into in-situ temperature. This changes the
203        isomip tests => update tests
204    o add a flag writePickupAtEnd (default=true) to be able to suppress
205      writing a pickup at the last timestep
206    o tools/mpack-1.6 :
207      - disable automake (not working) and autoconf (not needed).
208      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
209        also cleaner with much less compilation warnings.
210    o pkg/profiles:
211      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
212      (for "less than 32 characters name" compiler requirement)
213    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
214      conditions that have a different sampling frequency than S/T/U/V obcs
215    o pkg/diagnostics (stats-diags):
216      - fix global Min/Max in case 1 processor get only empty tiles
217    o genmake2: replace (4 times)
218         make genmake_tc_1.o >> genmake_warnings 2>&1
219      with
220         COMM="$CC $CFLAGS -c genmake_tc_1.c"
221         echo $COMM >> genmake_warnings
222         $COMM >> genmake_warnings 2>&1
223      to make genmake2 always see the value of CC as specified in the optfile.
224    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
225      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
226      - modify verification advect_cs test to test SOM-advection on CS-grid.
227    o pkg/ctrl:
228      - Rewrite of ctrl_map_ini_ecco.F,
229        introducing a generic routine (ctrl_map_ini_gen.F).
230      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
231    
232    checkpoint59n
233    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
234      number in dedicate array "hdiag":
235      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
236        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
237      - many small changes (integer format) for large number of diagnostics
238      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
239        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
240    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
241      usingSphericalGrid, this allows to define the rotated grid coordinates
242      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
243      geographical coordinates according to the inverse of the rotation defined
244      by the Euler angles, so that Coriolis parameter and online-interpolation by
245      exf works with the geographical coordinates on XC/YC/XG/YG.
246      Naturally, this feature does not work with all packages, so some
247      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
248      profiles), because there the coordinates are assumed to be regular
249      spherical grid coordinates.
250    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
251      - introduce isopycnal diffusion coefficient control.
252    o tools/adjoint_options:
253      - additional control vector components.
254    o pkg/mnc: have mnc create marginally meaning full coordinate variables
255      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
256    o pkg/mypackage:
257      - add example of read/write pickup for state-var ;
258      - add entry points to the main code for state-vars diags & write-pickup.
259    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
260      transitions for useExfYearlyFields
261      - add new subroutine that determines the file to read from for
262        use*YearlyFields = .TRUE. and .FALSE.
263      - add a verification experiment to global_with_exf that tests
264        useExfYearlyFields with USE_EXF_INTERPOLATION defined
265    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
266      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
267      subroutines (which could be generated from a template, because they are
268      almost identical), for now they are included in obcs_prescribe_read.F for
269      simplicity
270    o pkg/exf:
271      - add a little more diagnostic to exf_interp_read (in analogy to
272        mds_read_field, can be turned off with debugLevel < debugLevA=1)
273      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
274        ugly but fast by unrolling short inner loops, inserting a unroll=8
275        directive in routine lagran, and splitting a loop and making do while the
276        outermost loop (the latter requires the intoduction of index arrays)
277    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
278    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
279      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
280    o verification/seaice_obcs: updated for restart test and latest options
281    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
282      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
283      for now this is only available for the C-grid code and also within
284      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
285    
286    checkpoint59m
287    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
288      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
289    o gad_som : fix flux output (& diagnostics) to have same units as other  
290      advection scheme fluxes (was previously multiplied by deltaT).  
291    o added verification/seaice_obcs both to test seaice open boundaries
292      and to provide an example matlab scrpt for generating them
293    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
294    o pkg/salt_plume: clean up salt_plume_frac.F to
295      remove redundancy in PlumeMethod 1 and 4
296    o pkg/kpp: added saltplume diagnostics
297    o pkg/obcs and pkg/seaice:
298      - do not set uice and vice to zero when OB*icefile are unspecified
299      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
300      - moved seaice tracer obcs after call to seaice_growth
301  o pkg/salt_plume: added various options for salt plume depth  o pkg/salt_plume: added various options for salt plume depth
302    criterion and for vertical distribution of the salt    criterion and for vertical distribution of the salt
303    
304    checkpoint59l
305  o pkg/ptracers: new version of ptracers pickup:  o pkg/ptracers: new version of ptracers pickup:
306    read meta file and write only fields which are needed to restart.    read meta file and write only fields which are needed to restart.
307    ( same logic as main pickup file ; also using pickupStrictlyMatch )    ( same logic as main pickup file ; also using pickupStrictlyMatch )

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