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revision 1.932 by dimitri, Sat Dec 22 17:44:49 2007 UTC revision 1.1025 by heimbach, Thu Sep 25 16:10:48 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 added verification/lab_sea/input.salt_plume  checkpoint61d
8    o adjoint modifs
9      - adapt to new field rhoInSitu
10      - allow to revert from StoreDynVars2D, StoreDynVars3D
11        to individual fields
12        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
13    o store 3-D (in-situ) density in commom block (DYNVARS.h)
14     - save 1 rho computation.
15     - no longer modify T & S inland when using down_slope pkg.
16    o gad_som : allow to switch to SOM advection for T & S without corresponding
17      pickup files (using new S/R: MDS_CHECK4FILE).
18    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
19      (for useSingleCpuIO to work in multi-threaded)
20    o pkg/shelfice:
21     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
22       with SHELFICEtopoFile in data.shelfice
23     - move code for reading ice shelf topography and modifying hFacC into separate
24       subroutines of the shelfice package
25     - separate initialisation of "fixed" and "variable" variables
26     - kTopC is not (yet) replaced by kSurfC, although this is possible
27    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
28    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
29      and rename:
30      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
31      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
32    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
33    
34    checkpoint61c
35    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
36      to add mass source/sink of fluid in the interior (3-D generalisation
37      of oceanic real-fresh water flux).
38    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
39    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
40    o new pkg: down_slope
41      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
42      - presently, modify T & S inland (dwnslp_calc_rho.F).
43        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
44      - implementation for ocean in P-coords not tested.
45      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
46    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
47      (to facilitate conversion of oceanic pkg to p-coordinate).
48    o change FIND_RHO to FIND_RHO_2D :
49      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
50    o new pkg: cheapaml
51    
52    checkpoint61b
53    o exch2:
54      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
55      - no longer depend on the order sequence (N,S,E,W).
56      - 3rd exchange no longer needed (tested with 24 tiles).
57      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
58      - exch_UV_A-grid readily available (but not yet tested).
59      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
60      (both are no longer needed) in exch_uv: no effect in forward run; but
61       get truncation error differences with adjoint exch.
62    o exch2:
63     - change index-bounds storage (moved from target to local tile,
64       more intuitive this way) ; rename/remove some variables.
65     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
66    
67    checkpoint61a
68    o exch2/matlab-topology-generator:
69      fix bug in index bounds for N-S internal exchange (hard to tell if this
70      had any effect on the solution).
71    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
72      is exceeded
73    o testreport: modify syntax of awk, so that it works also with
74      awk, and not only with nawk and gawk
75    
76    checkpoint61
77    o autodiff
78      Change default for TAF usage by removing argument '-nonew_arg'
79      This changes TAF subroutine argument list (ordering of active var.)
80      Omission of this flag leads to incompatibility w.r.t. TAMC
81      To restore TAMC-compatibility, need following modifs:
82      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
83      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
84      Tested TAF version is 1.9.22
85      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
86    
87    checkpoint60
88    --->>> This is the last checkpoint for which generating the adjoint
89    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
90    --->>> by default.
91    --->>> Future checkpoints will ommit this flag by default.
92    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
93    o pkg/grdchk: Add gradient check to etan0 perturbations.
94    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
95    o pkg/autodiff: more flexibility in zeroadj.
96      model/src: modifying do_oceanic_phys.F accordingly.
97    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
98    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
99      special setup of gmredi for which the adjoint is stable
100      enough for parameter optimization.
101    o bridging the gap between eddy stress and GM.
102      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
103          along with a change in CPP option (now ALLOW_EDDYPSI).
104      -> when using GM w/ GM_AdvForm:
105          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
106          is applied either in the tracer Eq. or in momentum Eq.
107          depending on data.gmredi (intro. GM_InMomAsStress).
108      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
109      The key modifications are in model/src/taueddy_external_forcing.F
110      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
111    
112    checkpoint59r
113    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
114      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
115      fix option to read coriolis(@ cell-corner) from files with CS-grid.
116    o pkg/mnc: add some attributes to standard 1D-coordinate variables
117    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
118      mass points, when using mnc for output
119      - add runtime parameter (missing_value, missing_value_int) to override
120        default (which is the value of getcon('UNDEF'))
121    o pkg/mnc: prepare mnc for the actual use of missing values with the
122      diagnostics package: small fix in mnc_cw_readwrite.template and more
123      initialisation of never used fields
124      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
125      versions
126    o pkg/thsice/thsice_ini_vars.F added default initial values so that
127      thermodynamics sea ice solver does not blow up when some initial fields
128      are missing.
129    o move from external_forcing_surf.F to ini_forcing.F
130      the p-coord. hack consisting in using pLoad to set phi0surf ;
131      update output of tutorial_global_oce_in_p (affected @ truncation level).
132    o Freshen up a bit hs94.1x64x5, notably:
133      remove rotationPeriod and tRef=5*0. (adjoint only), and add
134      exactConserv=.TRUE.
135    o pkg/generic_advdiff:
136      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
137      applies to files where Temperature & Salinity 2nd Order moments are used.
138    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
139      this uses a dynamically allocated internal state data structure
140      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
141      and requires a fortran 90 compiler
142    
143    checkpoint59q
144    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
145       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
146    o Refresh tutorial_global_oce_biogeo, notably:
147      - change bathymetry (put back seamounts in ACC, use hFacs)
148      - change EOS (POLY3 --> JMD95Z)
149      - use Bryan-Lewis vertical diffusivity
150      - use multidimensional advection
151      - remove old virtual virtual in dic pkg, now done through ptracer pkg
152      - change a couple of parameters in dic pkg
153    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
154    o pkg/obcs: change default to OBCSfixTopo = .true.,
155      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
156      - replace "debugMode" with "debugLevel .GE. debLevB"
157    o implementation of TAF directives for gchem,cfc,dic
158    o remove "exp5" (replaced by tutorial_deep_convection).
159    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
160      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
161      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
162      --> changes results in exp4, seaice_obcs
163    o tutorial_deep_convection :
164      update the set-up and increase resolution and domain size ; start
165      from pseudo initial conditions = output at t=120mn in order to see
166      something happening when running testreport.
167    o pkg/seaice: add os7mp as an advection scheme
168                  add check for advection schemes
169                  add a flag for restoring T and S underneath sea ice
170    o pkg/my82: add netcdf-support and diagnostics
171    o thsice pkg:
172      - Now hsMax limits snow height by turning it into ice following
173        flooding scheme (and now conserving energy)
174      - Slight rewriting of the formula in thsice_calc_thick.F
175      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
176      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
177    
178    checkpoint59p
179    o gchem / dic / cfc :
180      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
181      - add new parameter files: "data.dic" & "data.cfc" ;
182      - various re-arrangement in initialisation & header file ;
183      - fix tutorial_global_oce_biogeo for multi-threaded test.
184    o pkg/dic: test for "pickup_dic" file when restarting ;
185      if no pickup-file, can restart with a re-initialised pH (same as it did
186      before) providing pickupStrictlyMatch is set to False.
187    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
188      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
189    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
190      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
191    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
192     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
193       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
194    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
195       scheme to use for vorticty-term ;
196     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
197       (with default selectVortScheme, return to original discretisation)
198     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
199    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
200    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
201      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
202      also fix diagnostics VISCAHW & VISCA4W.
203    
204    checkpoint59o
205    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
206    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
207      move a few statemens out the main loop into separate loops
208    o pkg/shelfice:
209      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
210        (kg/m^2/s), does not break tests, because in verification/isomip,
211        rhoConstFresh=rhoConst (by accident)
212      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
213      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
214        new file model/src/seawater.F, so that they are available for all pkgs.
215      - convert potential temperature into in-situ temperature. This changes the
216        isomip tests => update tests
217    o add a flag writePickupAtEnd (default=true) to be able to suppress
218      writing a pickup at the last timestep
219    o tools/mpack-1.6 :
220      - disable automake (not working) and autoconf (not needed).
221      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
222        also cleaner with much less compilation warnings.
223    o pkg/profiles:
224      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
225      (for "less than 32 characters name" compiler requirement)
226    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
227      conditions that have a different sampling frequency than S/T/U/V obcs
228    o pkg/diagnostics (stats-diags):
229      - fix global Min/Max in case 1 processor get only empty tiles
230    o genmake2: replace (4 times)
231         make genmake_tc_1.o >> genmake_warnings 2>&1
232      with
233         COMM="$CC $CFLAGS -c genmake_tc_1.c"
234         echo $COMM >> genmake_warnings
235         $COMM >> genmake_warnings 2>&1
236      to make genmake2 always see the value of CC as specified in the optfile.
237    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
238      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
239      - modify verification advect_cs test to test SOM-advection on CS-grid.
240    o pkg/ctrl:
241      - Rewrite of ctrl_map_ini_ecco.F,
242        introducing a generic routine (ctrl_map_ini_gen.F).
243      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
244    
245    checkpoint59n
246    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
247      number in dedicate array "hdiag":
248      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
249        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
250      - many small changes (integer format) for large number of diagnostics
251      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
252        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
253    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
254      usingSphericalGrid, this allows to define the rotated grid coordinates
255      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
256      geographical coordinates according to the inverse of the rotation defined
257      by the Euler angles, so that Coriolis parameter and online-interpolation by
258      exf works with the geographical coordinates on XC/YC/XG/YG.
259      Naturally, this feature does not work with all packages, so some
260      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
261      profiles), because there the coordinates are assumed to be regular
262      spherical grid coordinates.
263    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
264      - introduce isopycnal diffusion coefficient control.
265    o tools/adjoint_options:
266      - additional control vector components.
267    o pkg/mnc: have mnc create marginally meaning full coordinate variables
268      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
269    o pkg/mypackage:
270      - add example of read/write pickup for state-var ;
271      - add entry points to the main code for state-vars diags & write-pickup.
272    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
273      transitions for useExfYearlyFields
274      - add new subroutine that determines the file to read from for
275        use*YearlyFields = .TRUE. and .FALSE.
276      - add a verification experiment to global_with_exf that tests
277        useExfYearlyFields with USE_EXF_INTERPOLATION defined
278    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
279      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
280      subroutines (which could be generated from a template, because they are
281      almost identical), for now they are included in obcs_prescribe_read.F for
282      simplicity
283    o pkg/exf:
284      - add a little more diagnostic to exf_interp_read (in analogy to
285        mds_read_field, can be turned off with debugLevel < debugLevA=1)
286      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
287        ugly but fast by unrolling short inner loops, inserting a unroll=8
288        directive in routine lagran, and splitting a loop and making do while the
289        outermost loop (the latter requires the intoduction of index arrays)
290    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
291    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
292      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
293    o verification/seaice_obcs: updated for restart test and latest options
294    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
295      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
296      for now this is only available for the C-grid code and also within
297      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
298    
299    checkpoint59m
300    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
301      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
302    o gad_som : fix flux output (& diagnostics) to have same units as other  
303      advection scheme fluxes (was previously multiplied by deltaT).  
304    o added verification/seaice_obcs both to test seaice open boundaries
305      and to provide an example matlab scrpt for generating them
306    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
307  o pkg/salt_plume: clean up salt_plume_frac.F to  o pkg/salt_plume: clean up salt_plume_frac.F to
308    remove redundancy in PlumeMethod 1 and 4    remove redundancy in PlumeMethod 1 and 4
309  o pkg/kpp: added saltplume diagnostics  o pkg/kpp: added saltplume diagnostics

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