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revision 1.929 by dimitri, Fri Dec 21 01:40:28 2007 UTC revision 1.1029 by jmc, Wed Oct 8 00:31:29 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 ggl90:
8      - in ggl90_cal.F: compute only one set of visc/diff, used to
9        step forward TKE/T/S/momentum
10      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
11        have Prandlt =1)
12    o gmredi(fm07):
13      - add lower limit on Transition layer thickness + lower limit on 1/lambda
14      - allow to set few more params from data.gmredi
15    o pkg ggl90:
16          - add missing sqrt(2) factor in computation of mixing length
17            scale in ggl90_calc.F
18            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
19    
20    checkpoint61d
21    o adjoint modifs
22      - adapt to new field rhoInSitu
23      - allow to revert from StoreDynVars2D, StoreDynVars3D
24        to individual fields
25        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
26    o store 3-D (in-situ) density in commom block (DYNVARS.h)
27     - save 1 rho computation.
28     - no longer modify T & S inland when using down_slope pkg.
29    o gad_som : allow to switch to SOM advection for T & S without corresponding
30      pickup files (using new S/R: MDS_CHECK4FILE).
31    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
32      (for useSingleCpuIO to work in multi-threaded)
33    o pkg/shelfice:
34     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
35       with SHELFICEtopoFile in data.shelfice
36     - move code for reading ice shelf topography and modifying hFacC into separate
37       subroutines of the shelfice package
38     - separate initialisation of "fixed" and "variable" variables
39     - kTopC is not (yet) replaced by kSurfC, although this is possible
40    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
41    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
42      and rename:
43      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
44      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
45    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
46    
47    checkpoint61c
48    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
49      to add mass source/sink of fluid in the interior (3-D generalisation
50      of oceanic real-fresh water flux).
51    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
52    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
53    o new pkg: down_slope
54      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
55      - presently, modify T & S inland (dwnslp_calc_rho.F).
56        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
57      - implementation for ocean in P-coords not tested.
58      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
59    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
60      (to facilitate conversion of oceanic pkg to p-coordinate).
61    o change FIND_RHO to FIND_RHO_2D :
62      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
63    o new pkg: cheapaml
64    
65    checkpoint61b
66    o exch2:
67      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
68      - no longer depend on the order sequence (N,S,E,W).
69      - 3rd exchange no longer needed (tested with 24 tiles).
70      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
71      - exch_UV_A-grid readily available (but not yet tested).
72      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
73      (both are no longer needed) in exch_uv: no effect in forward run; but
74       get truncation error differences with adjoint exch.
75    o exch2:
76     - change index-bounds storage (moved from target to local tile,
77       more intuitive this way) ; rename/remove some variables.
78     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
79    
80    checkpoint61a
81    o exch2/matlab-topology-generator:
82      fix bug in index bounds for N-S internal exchange (hard to tell if this
83      had any effect on the solution).
84    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
85      is exceeded
86    o testreport: modify syntax of awk, so that it works also with
87      awk, and not only with nawk and gawk
88    
89    checkpoint61
90    o autodiff
91      Change default for TAF usage by removing argument '-nonew_arg'
92      This changes TAF subroutine argument list (ordering of active var.)
93      Omission of this flag leads to incompatibility w.r.t. TAMC
94      To restore TAMC-compatibility, need following modifs:
95      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
96      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
97      Tested TAF version is 1.9.22
98      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
99    
100    checkpoint60
101    --->>> This is the last checkpoint for which generating the adjoint
102    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
103    --->>> by default.
104    --->>> Future checkpoints will ommit this flag by default.
105    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
106    o pkg/grdchk: Add gradient check to etan0 perturbations.
107    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
108    o pkg/autodiff: more flexibility in zeroadj.
109      model/src: modifying do_oceanic_phys.F accordingly.
110    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
111    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
112      special setup of gmredi for which the adjoint is stable
113      enough for parameter optimization.
114    o bridging the gap between eddy stress and GM.
115      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
116          along with a change in CPP option (now ALLOW_EDDYPSI).
117      -> when using GM w/ GM_AdvForm:
118          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
119          is applied either in the tracer Eq. or in momentum Eq.
120          depending on data.gmredi (intro. GM_InMomAsStress).
121      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
122      The key modifications are in model/src/taueddy_external_forcing.F
123      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
124    
125    checkpoint59r
126    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
127      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
128      fix option to read coriolis(@ cell-corner) from files with CS-grid.
129    o pkg/mnc: add some attributes to standard 1D-coordinate variables
130    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
131      mass points, when using mnc for output
132      - add runtime parameter (missing_value, missing_value_int) to override
133        default (which is the value of getcon('UNDEF'))
134    o pkg/mnc: prepare mnc for the actual use of missing values with the
135      diagnostics package: small fix in mnc_cw_readwrite.template and more
136      initialisation of never used fields
137      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
138      versions
139    o pkg/thsice/thsice_ini_vars.F added default initial values so that
140      thermodynamics sea ice solver does not blow up when some initial fields
141      are missing.
142    o move from external_forcing_surf.F to ini_forcing.F
143      the p-coord. hack consisting in using pLoad to set phi0surf ;
144      update output of tutorial_global_oce_in_p (affected @ truncation level).
145    o Freshen up a bit hs94.1x64x5, notably:
146      remove rotationPeriod and tRef=5*0. (adjoint only), and add
147      exactConserv=.TRUE.
148    o pkg/generic_advdiff:
149      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
150      applies to files where Temperature & Salinity 2nd Order moments are used.
151    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
152      this uses a dynamically allocated internal state data structure
153      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
154      and requires a fortran 90 compiler
155    
156    checkpoint59q
157    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
158       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
159    o Refresh tutorial_global_oce_biogeo, notably:
160      - change bathymetry (put back seamounts in ACC, use hFacs)
161      - change EOS (POLY3 --> JMD95Z)
162      - use Bryan-Lewis vertical diffusivity
163      - use multidimensional advection
164      - remove old virtual virtual in dic pkg, now done through ptracer pkg
165      - change a couple of parameters in dic pkg
166    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
167    o pkg/obcs: change default to OBCSfixTopo = .true.,
168      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
169      - replace "debugMode" with "debugLevel .GE. debLevB"
170    o implementation of TAF directives for gchem,cfc,dic
171    o remove "exp5" (replaced by tutorial_deep_convection).
172    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
173      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
174      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
175      --> changes results in exp4, seaice_obcs
176    o tutorial_deep_convection :
177      update the set-up and increase resolution and domain size ; start
178      from pseudo initial conditions = output at t=120mn in order to see
179      something happening when running testreport.
180    o pkg/seaice: add os7mp as an advection scheme
181                  add check for advection schemes
182                  add a flag for restoring T and S underneath sea ice
183    o pkg/my82: add netcdf-support and diagnostics
184    o thsice pkg:
185      - Now hsMax limits snow height by turning it into ice following
186        flooding scheme (and now conserving energy)
187      - Slight rewriting of the formula in thsice_calc_thick.F
188      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
189      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
190    
191    checkpoint59p
192    o gchem / dic / cfc :
193      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
194      - add new parameter files: "data.dic" & "data.cfc" ;
195      - various re-arrangement in initialisation & header file ;
196      - fix tutorial_global_oce_biogeo for multi-threaded test.
197    o pkg/dic: test for "pickup_dic" file when restarting ;
198      if no pickup-file, can restart with a re-initialised pH (same as it did
199      before) providing pickupStrictlyMatch is set to False.
200    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
201      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
202    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
203      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
204    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
205     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
206       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
207    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
208       scheme to use for vorticty-term ;
209     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
210       (with default selectVortScheme, return to original discretisation)
211     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
212    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
213    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
214      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
215      also fix diagnostics VISCAHW & VISCA4W.
216    
217    checkpoint59o
218    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
219    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
220      move a few statemens out the main loop into separate loops
221    o pkg/shelfice:
222      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
223        (kg/m^2/s), does not break tests, because in verification/isomip,
224        rhoConstFresh=rhoConst (by accident)
225      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
226      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
227        new file model/src/seawater.F, so that they are available for all pkgs.
228      - convert potential temperature into in-situ temperature. This changes the
229        isomip tests => update tests
230    o add a flag writePickupAtEnd (default=true) to be able to suppress
231      writing a pickup at the last timestep
232    o tools/mpack-1.6 :
233      - disable automake (not working) and autoconf (not needed).
234      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
235        also cleaner with much less compilation warnings.
236    o pkg/profiles:
237      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
238      (for "less than 32 characters name" compiler requirement)
239    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
240      conditions that have a different sampling frequency than S/T/U/V obcs
241    o pkg/diagnostics (stats-diags):
242      - fix global Min/Max in case 1 processor get only empty tiles
243    o genmake2: replace (4 times)
244         make genmake_tc_1.o >> genmake_warnings 2>&1
245      with
246         COMM="$CC $CFLAGS -c genmake_tc_1.c"
247         echo $COMM >> genmake_warnings
248         $COMM >> genmake_warnings 2>&1
249      to make genmake2 always see the value of CC as specified in the optfile.
250    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
251      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
252      - modify verification advect_cs test to test SOM-advection on CS-grid.
253    o pkg/ctrl:
254      - Rewrite of ctrl_map_ini_ecco.F,
255        introducing a generic routine (ctrl_map_ini_gen.F).
256      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
257    
258    checkpoint59n
259    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
260      number in dedicate array "hdiag":
261      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
262        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
263      - many small changes (integer format) for large number of diagnostics
264      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
265        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
266    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
267      usingSphericalGrid, this allows to define the rotated grid coordinates
268      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
269      geographical coordinates according to the inverse of the rotation defined
270      by the Euler angles, so that Coriolis parameter and online-interpolation by
271      exf works with the geographical coordinates on XC/YC/XG/YG.
272      Naturally, this feature does not work with all packages, so some
273      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
274      profiles), because there the coordinates are assumed to be regular
275      spherical grid coordinates.
276    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
277      - introduce isopycnal diffusion coefficient control.
278    o tools/adjoint_options:
279      - additional control vector components.
280    o pkg/mnc: have mnc create marginally meaning full coordinate variables
281      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
282    o pkg/mypackage:
283      - add example of read/write pickup for state-var ;
284      - add entry points to the main code for state-vars diags & write-pickup.
285    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
286      transitions for useExfYearlyFields
287      - add new subroutine that determines the file to read from for
288        use*YearlyFields = .TRUE. and .FALSE.
289      - add a verification experiment to global_with_exf that tests
290        useExfYearlyFields with USE_EXF_INTERPOLATION defined
291    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
292      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
293      subroutines (which could be generated from a template, because they are
294      almost identical), for now they are included in obcs_prescribe_read.F for
295      simplicity
296    o pkg/exf:
297      - add a little more diagnostic to exf_interp_read (in analogy to
298        mds_read_field, can be turned off with debugLevel < debugLevA=1)
299      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
300        ugly but fast by unrolling short inner loops, inserting a unroll=8
301        directive in routine lagran, and splitting a loop and making do while the
302        outermost loop (the latter requires the intoduction of index arrays)
303    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
304    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
305      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
306    o verification/seaice_obcs: updated for restart test and latest options
307    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
308      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
309      for now this is only available for the C-grid code and also within
310      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
311    
312    checkpoint59m
313    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
314      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
315    o gad_som : fix flux output (& diagnostics) to have same units as other  
316      advection scheme fluxes (was previously multiplied by deltaT).  
317    o added verification/seaice_obcs both to test seaice open boundaries
318      and to provide an example matlab scrpt for generating them
319    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
320    o pkg/salt_plume: clean up salt_plume_frac.F to
321      remove redundancy in PlumeMethod 1 and 4
322    o pkg/kpp: added saltplume diagnostics
323  o pkg/obcs and pkg/seaice:  o pkg/obcs and pkg/seaice:
324    - do not set uice and vice to zero when OB*icefile are unspecified    - do not set uice and vice to zero when OB*icefile are unspecified
325    - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default    - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default

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