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revision 1.924 by dimitri, Fri Dec 14 21:52:01 2007 UTC revision 1.1020 by jmc, Sat Sep 6 17:55:27 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 add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
8      and rename:
9      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
10      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
11    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
12    
13    checkpoint61c
14    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
15      to add mass source/sink of fluid in the interior (3-D generalisation
16      of oceanic real-fresh water flux).
17    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
18    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
19    o new pkg: down_slope
20      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
21      - presently, modify T & S inland (dwnslp_calc_rho.F).
22        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
23      - implementation for ocean in P-coords not tested.
24      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
25    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
26      (to facilitate conversion of oceanic pkg to p-coordinate).
27    o change FIND_RHO to FIND_RHO_2D :
28      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
29    o new pkg: cheapaml
30    
31    checkpoint61b
32    o exch2:
33      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
34      - no longer depend on the order sequence (N,S,E,W).
35      - 3rd exchange no longer needed (tested with 24 tiles).
36      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
37      - exch_UV_A-grid readily available (but not yet tested).
38      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
39      (both are no longer needed) in exch_uv: no effect in forward run; but
40       get truncation error differences with adjoint exch.
41    o exch2:
42     - change index-bounds storage (moved from target to local tile,
43       more intuitive this way) ; rename/remove some variables.
44     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
45    
46    checkpoint61a
47    o exch2/matlab-topology-generator:
48      fix bug in index bounds for N-S internal exchange (hard to tell if this
49      had any effect on the solution).
50    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
51      is exceeded
52    o testreport: modify syntax of awk, so that it works also with
53      awk, and not only with nawk and gawk
54    
55    checkpoint61
56    o autodiff
57      Change default for TAF usage by removing argument '-nonew_arg'
58      This changes TAF subroutine argument list (ordering of active var.)
59      Omission of this flag leads to incompatibility w.r.t. TAMC
60      To restore TAMC-compatibility, need following modifs:
61      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
62      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
63      Tested TAF version is 1.9.22
64      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
65    
66    checkpoint60
67    --->>> This is the last checkpoint for which generating the adjoint
68    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
69    --->>> by default.
70    --->>> Future checkpoints will ommit this flag by default.
71    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
72    o pkg/grdchk: Add gradient check to etan0 perturbations.
73    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
74    o pkg/autodiff: more flexibility in zeroadj.
75      model/src: modifying do_oceanic_phys.F accordingly.
76    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
77    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
78      special setup of gmredi for which the adjoint is stable
79      enough for parameter optimization.
80    o bridging the gap between eddy stress and GM.
81      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
82          along with a change in CPP option (now ALLOW_EDDYPSI).
83      -> when using GM w/ GM_AdvForm:
84          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
85          is applied either in the tracer Eq. or in momentum Eq.
86          depending on data.gmredi (intro. GM_InMomAsStress).
87      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
88      The key modifications are in model/src/taueddy_external_forcing.F
89      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
90    
91    checkpoint59r
92    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
93      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
94      fix option to read coriolis(@ cell-corner) from files with CS-grid.
95    o pkg/mnc: add some attributes to standard 1D-coordinate variables
96    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
97      mass points, when using mnc for output
98      - add runtime parameter (missing_value, missing_value_int) to override
99        default (which is the value of getcon('UNDEF'))
100    o pkg/mnc: prepare mnc for the actual use of missing values with the
101      diagnostics package: small fix in mnc_cw_readwrite.template and more
102      initialisation of never used fields
103      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
104      versions
105    o pkg/thsice/thsice_ini_vars.F added default initial values so that
106      thermodynamics sea ice solver does not blow up when some initial fields
107      are missing.
108    o move from external_forcing_surf.F to ini_forcing.F
109      the p-coord. hack consisting in using pLoad to set phi0surf ;
110      update output of tutorial_global_oce_in_p (affected @ truncation level).
111    o Freshen up a bit hs94.1x64x5, notably:
112      remove rotationPeriod and tRef=5*0. (adjoint only), and add
113      exactConserv=.TRUE.
114    o pkg/generic_advdiff:
115      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
116      applies to files where Temperature & Salinity 2nd Order moments are used.
117    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
118      this uses a dynamically allocated internal state data structure
119      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
120      and requires a fortran 90 compiler
121    
122    checkpoint59q
123    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
124       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
125    o Refresh tutorial_global_oce_biogeo, notably:
126      - change bathymetry (put back seamounts in ACC, use hFacs)
127      - change EOS (POLY3 --> JMD95Z)
128      - use Bryan-Lewis vertical diffusivity
129      - use multidimensional advection
130      - remove old virtual virtual in dic pkg, now done through ptracer pkg
131      - change a couple of parameters in dic pkg
132    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
133    o pkg/obcs: change default to OBCSfixTopo = .true.,
134      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
135      - replace "debugMode" with "debugLevel .GE. debLevB"
136    o implementation of TAF directives for gchem,cfc,dic
137    o remove "exp5" (replaced by tutorial_deep_convection).
138    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
139      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
140      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
141      --> changes results in exp4, seaice_obcs
142    o tutorial_deep_convection :
143      update the set-up and increase resolution and domain size ; start
144      from pseudo initial conditions = output at t=120mn in order to see
145      something happening when running testreport.
146    o pkg/seaice: add os7mp as an advection scheme
147                  add check for advection schemes
148                  add a flag for restoring T and S underneath sea ice
149    o pkg/my82: add netcdf-support and diagnostics
150    o thsice pkg:
151      - Now hsMax limits snow height by turning it into ice following
152        flooding scheme (and now conserving energy)
153      - Slight rewriting of the formula in thsice_calc_thick.F
154      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
155      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
156    
157    checkpoint59p
158    o gchem / dic / cfc :
159      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
160      - add new parameter files: "data.dic" & "data.cfc" ;
161      - various re-arrangement in initialisation & header file ;
162      - fix tutorial_global_oce_biogeo for multi-threaded test.
163    o pkg/dic: test for "pickup_dic" file when restarting ;
164      if no pickup-file, can restart with a re-initialised pH (same as it did
165      before) providing pickupStrictlyMatch is set to False.
166    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
167      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
168    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
169      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
170    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
171     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
172       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
173    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
174       scheme to use for vorticty-term ;
175     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
176       (with default selectVortScheme, return to original discretisation)
177     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
178    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
179    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
180      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
181      also fix diagnostics VISCAHW & VISCA4W.
182    
183    checkpoint59o
184    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
185    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
186      move a few statemens out the main loop into separate loops
187    o pkg/shelfice:
188      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
189        (kg/m^2/s), does not break tests, because in verification/isomip,
190        rhoConstFresh=rhoConst (by accident)
191      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
192      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
193        new file model/src/seawater.F, so that they are available for all pkgs.
194      - convert potential temperature into in-situ temperature. This changes the
195        isomip tests => update tests
196    o add a flag writePickupAtEnd (default=true) to be able to suppress
197      writing a pickup at the last timestep
198    o tools/mpack-1.6 :
199      - disable automake (not working) and autoconf (not needed).
200      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
201        also cleaner with much less compilation warnings.
202    o pkg/profiles:
203      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
204      (for "less than 32 characters name" compiler requirement)
205    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
206      conditions that have a different sampling frequency than S/T/U/V obcs
207    o pkg/diagnostics (stats-diags):
208      - fix global Min/Max in case 1 processor get only empty tiles
209    o genmake2: replace (4 times)
210         make genmake_tc_1.o >> genmake_warnings 2>&1
211      with
212         COMM="$CC $CFLAGS -c genmake_tc_1.c"
213         echo $COMM >> genmake_warnings
214         $COMM >> genmake_warnings 2>&1
215      to make genmake2 always see the value of CC as specified in the optfile.
216    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
217      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
218      - modify verification advect_cs test to test SOM-advection on CS-grid.
219    o pkg/ctrl:
220      - Rewrite of ctrl_map_ini_ecco.F,
221        introducing a generic routine (ctrl_map_ini_gen.F).
222      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
223    
224    checkpoint59n
225    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
226      number in dedicate array "hdiag":
227      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
228        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
229      - many small changes (integer format) for large number of diagnostics
230      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
231        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
232    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
233      usingSphericalGrid, this allows to define the rotated grid coordinates
234      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
235      geographical coordinates according to the inverse of the rotation defined
236      by the Euler angles, so that Coriolis parameter and online-interpolation by
237      exf works with the geographical coordinates on XC/YC/XG/YG.
238      Naturally, this feature does not work with all packages, so some
239      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
240      profiles), because there the coordinates are assumed to be regular
241      spherical grid coordinates.
242    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
243      - introduce isopycnal diffusion coefficient control.
244    o tools/adjoint_options:
245      - additional control vector components.
246    o pkg/mnc: have mnc create marginally meaning full coordinate variables
247      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
248    o pkg/mypackage:
249      - add example of read/write pickup for state-var ;
250      - add entry points to the main code for state-vars diags & write-pickup.
251    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
252      transitions for useExfYearlyFields
253      - add new subroutine that determines the file to read from for
254        use*YearlyFields = .TRUE. and .FALSE.
255      - add a verification experiment to global_with_exf that tests
256        useExfYearlyFields with USE_EXF_INTERPOLATION defined
257    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
258      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
259      subroutines (which could be generated from a template, because they are
260      almost identical), for now they are included in obcs_prescribe_read.F for
261      simplicity
262    o pkg/exf:
263      - add a little more diagnostic to exf_interp_read (in analogy to
264        mds_read_field, can be turned off with debugLevel < debugLevA=1)
265      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
266        ugly but fast by unrolling short inner loops, inserting a unroll=8
267        directive in routine lagran, and splitting a loop and making do while the
268        outermost loop (the latter requires the intoduction of index arrays)
269    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
270    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
271      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
272    o verification/seaice_obcs: updated for restart test and latest options
273    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
274      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
275      for now this is only available for the C-grid code and also within
276      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
277    
278    checkpoint59m
279    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
280      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
281    o gad_som : fix flux output (& diagnostics) to have same units as other  
282      advection scheme fluxes (was previously multiplied by deltaT).  
283    o added verification/seaice_obcs both to test seaice open boundaries
284      and to provide an example matlab scrpt for generating them
285    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
286    o pkg/salt_plume: clean up salt_plume_frac.F to
287      remove redundancy in PlumeMethod 1 and 4
288    o pkg/kpp: added saltplume diagnostics
289    o pkg/obcs and pkg/seaice:
290      - do not set uice and vice to zero when OB*icefile are unspecified
291      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
292      - moved seaice tracer obcs after call to seaice_growth
293    o pkg/salt_plume: added various options for salt plume depth
294      criterion and for vertical distribution of the salt
295    
296    checkpoint59l
297    o pkg/ptracers: new version of ptracers pickup:
298      read meta file and write only fields which are needed to restart.
299      ( same logic as main pickup file ; also using pickupStrictlyMatch )
300  o pkg/seaice:  o pkg/seaice:
301    - add timescale for melting due to warm mixed layer as a means of    - add timescale for melting due to warm mixed layer as a means of
302      setting SEAICE_availHeatFrac more conveniently      setting SEAICE_availHeatFrac more conveniently
# Line 26  checkpoint59k Line 319  checkpoint59k
319  o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between  o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
320    dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.    dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
321  o fix un-initialised variable problem (in mom_vecinv & shap_filt):  o fix un-initialised variable problem (in mom_vecinv & shap_filt):
322    all experiments pass when compile with un-initilised var. checking option.    all experiments pass when compile with un-initialised var. checking option.
323  o added pkg/salt_plume  o added pkg/salt_plume
324  o script to test restart (for now, in MITgcm_contrib/jmc_script)  o script to test restart (for now, in MITgcm_contrib/jmc_script)
325  o pkg/seaice: new read/write pickup version.  o pkg/seaice: new read/write pickup version.

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