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revision 1.941 by dimitri, Thu Jan 17 22:33:07 2008 UTC revision 1.1048 by jmc, Tue Dec 30 18:00:09 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/mdsio: read/write vector:
8     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
9     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
10       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
11     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
12      (drop to 4 digits matching for grad). But this test does not look very
13      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
14    
15    checkpoint61g
16    o pkg/flt:
17      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
18       + make OPTIONS file more standard.
19      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
20      - fix _BYTESWAPIO CPP-Flag
21      - standard reading of file-parameter "data.flt"
22      - fix argument list of S/R FLT_RESTART
23      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
24    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
25    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
26      a still unfixed compiler/optimization bug
27    
28    checkpoint61f
29    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
30      update results of global_ocean.cs32x15.icedyn test.
31    o move getcon.F from model/src to pkg/fizhi.
32    o pkg/exf: add parameter for extrapolation of temp up to the surface
33       and option to prevent negative evap (in bulk_largeyeager04 only).
34    o Prather Advection scheme: fix tracer conservation for divergent flow
35      (e.g., when using NonLin Free-Surface).
36    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
37    o gmredi (Visbeck-variable-K):
38     - add more parameters to Visbeck-variable-K.
39     - use a 5 points average for dSigmaR in Visbeck-K calculation
40       (more "homogenous": same stencil and same weights as in dSigmaH)
41     - update output of ideal_2D_oce experiment.
42    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
43      (#undef REAL4_IS_SLOW)
44     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
45       coordinate variable
46     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
47       (surface forcing fields), removes some of the functionality
48     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
49     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
50       probably not all: copy _RS surface flux fields to RL field before
51       calling DIAGNOSTICS_FILL
52     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
53       real*4 (CALL EXCH_*_RS) versions.
54     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
55       (generate new output).
56    
57    checkpoint61e
58    o gmredi (Visbeck-variable-K):
59      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
60      - change computation of Visbeck-K where Slope > Smax :        
61        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
62        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
63    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
64      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
65    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
66    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
67      does not become too large (to avoid precision problems in implicit-diffusion
68      solver); update ideal_2D_oce output.
69    o pkg ggl90:
70      - in ggl90_cal.F: compute only one set of visc/diff, used to
71        step forward TKE/T/S/momentum
72      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
73        have Prandlt =1)
74    o gmredi (fm07):
75      - add lower limit on Transition layer thickness + lower limit on 1/lambda
76      - allow to set few more params from data.gmredi
77    o pkg ggl90:
78          - add missing sqrt(2) factor in computation of mixing length
79            scale in ggl90_calc.F
80            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
81    
82    checkpoint61d
83    o adjoint modifs
84      - adapt to new field rhoInSitu
85      - allow to revert from StoreDynVars2D, StoreDynVars3D
86        to individual fields
87        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
88    o store 3-D (in-situ) density in commom block (DYNVARS.h)
89     - save 1 rho computation.
90     - no longer modify T & S inland when using down_slope pkg.
91    o gad_som : allow to switch to SOM advection for T & S without corresponding
92      pickup files (using new S/R: MDS_CHECK4FILE).
93    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
94      (for useSingleCpuIO to work in multi-threaded)
95    o pkg/shelfice:
96     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
97       with SHELFICEtopoFile in data.shelfice
98     - move code for reading ice shelf topography and modifying hFacC into separate
99       subroutines of the shelfice package
100     - separate initialisation of "fixed" and "variable" variables
101     - kTopC is not (yet) replaced by kSurfC, although this is possible
102    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
103    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
104      and rename:
105      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
106      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
107    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
108    
109    checkpoint61c
110    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
111      to add mass source/sink of fluid in the interior (3-D generalisation
112      of oceanic real-fresh water flux).
113    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
114    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
115    o new pkg: down_slope
116      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
117      - presently, modify T & S inland (dwnslp_calc_rho.F).
118        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
119      - implementation for ocean in P-coords not tested.
120      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
121    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
122      (to facilitate conversion of oceanic pkg to p-coordinate).
123    o change FIND_RHO to FIND_RHO_2D :
124      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
125    o new pkg: cheapaml
126    
127    checkpoint61b
128    o exch2:
129      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
130      - no longer depend on the order sequence (N,S,E,W).
131      - 3rd exchange no longer needed (tested with 24 tiles).
132      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
133      - exch_UV_A-grid readily available (but not yet tested).
134      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
135      (both are no longer needed) in exch_uv: no effect in forward run; but
136       get truncation error differences with adjoint exch.
137    o exch2:
138     - change index-bounds storage (moved from target to local tile,
139       more intuitive this way) ; rename/remove some variables.
140     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
141    
142    checkpoint61a
143    o exch2/matlab-topology-generator:
144      fix bug in index bounds for N-S internal exchange (hard to tell if this
145      had any effect on the solution).
146    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
147      is exceeded
148    o testreport: modify syntax of awk, so that it works also with
149      awk, and not only with nawk and gawk
150    
151    checkpoint61
152    o autodiff
153      Change default for TAF usage by removing argument '-nonew_arg'
154      This changes TAF subroutine argument list (ordering of active var.)
155      Omission of this flag leads to incompatibility w.r.t. TAMC
156      To restore TAMC-compatibility, need following modifs:
157      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
158      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
159      Tested TAF version is 1.9.22
160      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
161    
162    checkpoint60
163    --->>> This is the last checkpoint for which generating the adjoint
164    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
165    --->>> by default.
166    --->>> Future checkpoints will ommit this flag by default.
167    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
168    o pkg/grdchk: Add gradient check to etan0 perturbations.
169    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
170    o pkg/autodiff: more flexibility in zeroadj.
171      model/src: modifying do_oceanic_phys.F accordingly.
172    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
173    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
174      special setup of gmredi for which the adjoint is stable
175      enough for parameter optimization.
176    o bridging the gap between eddy stress and GM.
177      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
178          along with a change in CPP option (now ALLOW_EDDYPSI).
179      -> when using GM w/ GM_AdvForm:
180          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
181          is applied either in the tracer Eq. or in momentum Eq.
182          depending on data.gmredi (intro. GM_InMomAsStress).
183      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
184      The key modifications are in model/src/taueddy_external_forcing.F
185      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
186    
187    checkpoint59r
188    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
189      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
190      fix option to read coriolis(@ cell-corner) from files with CS-grid.
191    o pkg/mnc: add some attributes to standard 1D-coordinate variables
192    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
193      mass points, when using mnc for output
194      - add runtime parameter (missing_value, missing_value_int) to override
195        default (which is the value of getcon('UNDEF'))
196    o pkg/mnc: prepare mnc for the actual use of missing values with the
197      diagnostics package: small fix in mnc_cw_readwrite.template and more
198      initialisation of never used fields
199      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
200      versions
201    o pkg/thsice/thsice_ini_vars.F added default initial values so that
202      thermodynamics sea ice solver does not blow up when some initial fields
203      are missing.
204    o move from external_forcing_surf.F to ini_forcing.F
205      the p-coord. hack consisting in using pLoad to set phi0surf ;
206      update output of tutorial_global_oce_in_p (affected @ truncation level).
207    o Freshen up a bit hs94.1x64x5, notably:
208      remove rotationPeriod and tRef=5*0. (adjoint only), and add
209      exactConserv=.TRUE.
210    o pkg/generic_advdiff:
211      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
212      applies to files where Temperature & Salinity 2nd Order moments are used.
213    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
214      this uses a dynamically allocated internal state data structure
215      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
216      and requires a fortran 90 compiler
217    
218    checkpoint59q
219    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
220       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
221    o Refresh tutorial_global_oce_biogeo, notably:
222      - change bathymetry (put back seamounts in ACC, use hFacs)
223      - change EOS (POLY3 --> JMD95Z)
224      - use Bryan-Lewis vertical diffusivity
225      - use multidimensional advection
226      - remove old virtual virtual in dic pkg, now done through ptracer pkg
227      - change a couple of parameters in dic pkg
228    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
229    o pkg/obcs: change default to OBCSfixTopo = .true.,
230      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
231      - replace "debugMode" with "debugLevel .GE. debLevB"
232    o implementation of TAF directives for gchem,cfc,dic
233    o remove "exp5" (replaced by tutorial_deep_convection).
234    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
235      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
236      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
237      --> changes results in exp4, seaice_obcs
238    o tutorial_deep_convection :
239      update the set-up and increase resolution and domain size ; start
240      from pseudo initial conditions = output at t=120mn in order to see
241      something happening when running testreport.
242    o pkg/seaice: add os7mp as an advection scheme
243                  add check for advection schemes
244                  add a flag for restoring T and S underneath sea ice
245    o pkg/my82: add netcdf-support and diagnostics
246    o thsice pkg:
247      - Now hsMax limits snow height by turning it into ice following
248        flooding scheme (and now conserving energy)
249      - Slight rewriting of the formula in thsice_calc_thick.F
250      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
251      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
252    
253    checkpoint59p
254    o gchem / dic / cfc :
255      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
256      - add new parameter files: "data.dic" & "data.cfc" ;
257      - various re-arrangement in initialisation & header file ;
258      - fix tutorial_global_oce_biogeo for multi-threaded test.
259    o pkg/dic: test for "pickup_dic" file when restarting ;
260      if no pickup-file, can restart with a re-initialised pH (same as it did
261      before) providing pickupStrictlyMatch is set to False.
262    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
263      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
264    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
265      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
266    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
267     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
268       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
269    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
270       scheme to use for vorticty-term ;
271     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
272       (with default selectVortScheme, return to original discretisation)
273     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
274    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
275    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
276      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
277      also fix diagnostics VISCAHW & VISCA4W.
278    
279    checkpoint59o
280    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
281    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
282      move a few statemens out the main loop into separate loops
283    o pkg/shelfice:
284      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
285        (kg/m^2/s), does not break tests, because in verification/isomip,
286        rhoConstFresh=rhoConst (by accident)
287      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
288      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
289        new file model/src/seawater.F, so that they are available for all pkgs.
290      - convert potential temperature into in-situ temperature. This changes the
291        isomip tests => update tests
292    o add a flag writePickupAtEnd (default=true) to be able to suppress
293      writing a pickup at the last timestep
294    o tools/mpack-1.6 :
295      - disable automake (not working) and autoconf (not needed).
296      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
297        also cleaner with much less compilation warnings.
298    o pkg/profiles:
299      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
300      (for "less than 32 characters name" compiler requirement)
301    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
302      conditions that have a different sampling frequency than S/T/U/V obcs
303    o pkg/diagnostics (stats-diags):
304      - fix global Min/Max in case 1 processor get only empty tiles
305    o genmake2: replace (4 times)
306         make genmake_tc_1.o >> genmake_warnings 2>&1
307      with
308         COMM="$CC $CFLAGS -c genmake_tc_1.c"
309         echo $COMM >> genmake_warnings
310         $COMM >> genmake_warnings 2>&1
311      to make genmake2 always see the value of CC as specified in the optfile.
312    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
313      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
314      - modify verification advect_cs test to test SOM-advection on CS-grid.
315    o pkg/ctrl:
316      - Rewrite of ctrl_map_ini_ecco.F,
317        introducing a generic routine (ctrl_map_ini_gen.F).
318      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
319    
320    checkpoint59n
321    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
322      number in dedicate array "hdiag":
323      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
324        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
325      - many small changes (integer format) for large number of diagnostics
326      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
327        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
328    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
329      usingSphericalGrid, this allows to define the rotated grid coordinates
330      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
331      geographical coordinates according to the inverse of the rotation defined
332      by the Euler angles, so that Coriolis parameter and online-interpolation by
333      exf works with the geographical coordinates on XC/YC/XG/YG.
334      Naturally, this feature does not work with all packages, so some
335      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
336      profiles), because there the coordinates are assumed to be regular
337      spherical grid coordinates.
338    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
339      - introduce isopycnal diffusion coefficient control.
340    o tools/adjoint_options:
341      - additional control vector components.
342    o pkg/mnc: have mnc create marginally meaning full coordinate variables
343      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
344    o pkg/mypackage:
345      - add example of read/write pickup for state-var ;
346      - add entry points to the main code for state-vars diags & write-pickup.
347    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
348      transitions for useExfYearlyFields
349      - add new subroutine that determines the file to read from for
350        use*YearlyFields = .TRUE. and .FALSE.
351      - add a verification experiment to global_with_exf that tests
352        useExfYearlyFields with USE_EXF_INTERPOLATION defined
353    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
354      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
355      subroutines (which could be generated from a template, because they are
356      almost identical), for now they are included in obcs_prescribe_read.F for
357      simplicity
358    o pkg/exf:
359      - add a little more diagnostic to exf_interp_read (in analogy to
360        mds_read_field, can be turned off with debugLevel < debugLevA=1)
361      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
362        ugly but fast by unrolling short inner loops, inserting a unroll=8
363        directive in routine lagran, and splitting a loop and making do while the
364        outermost loop (the latter requires the intoduction of index arrays)
365    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
366  o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver  o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
367    http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html    http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
368  o verification/seaice_obcs: updated for restart test and latest options  o verification/seaice_obcs: updated for restart test and latest options

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