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revision 1.942 by dimitri, Fri Jan 18 01:38:33 2008 UTC revision 1.1057 by dfer, Fri Jan 30 14:31:18 2009 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: a few modifications:
8     - fix bottom boundary condition, and interpolation of KappaE
9       near top and bottom
10     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
11     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
12     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
13    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
14      (maintain temporary backward compatibility, until next checkpoint)
15    
16    checkpoint61h
17    o pkg/diagnostics with "periodic averaging diagnostics":
18      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
19    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
20    o pkg/obcs: fix loop ranges for balancing code
21    o pkg/flt:
22     - improve criteria for finding which tile owns a float.
23     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
24    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
25      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
26      with ocean biogeo)
27    o pkg/flt:
28     - do some cleaning and fix the restart ;
29     - add output.txt in flt_example/results to get this pkg tested.
30    o genmake2: add an EXTENDED_SRC option and flag.
31       for now, cannot be turned on on command line (only through genmake_local)
32    o pkg/mdsio: read/write vector:
33     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
34     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
35       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
36     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
37      (drop to 4 digits matching for grad). But this test does not look very
38      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
39    
40    checkpoint61g
41    o pkg/flt:
42      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
43       + make OPTIONS file more standard.
44      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
45      - fix _BYTESWAPIO CPP-Flag
46      - standard reading of file-parameter "data.flt"
47      - fix argument list of S/R FLT_RESTART
48      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
49    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
50    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
51      a still unfixed compiler/optimization bug
52    
53    checkpoint61f
54    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
55      update results of global_ocean.cs32x15.icedyn test.
56    o move getcon.F from model/src to pkg/fizhi.
57    o pkg/exf: add parameter for extrapolation of temp up to the surface
58       and option to prevent negative evap (in bulk_largeyeager04 only).
59    o Prather Advection scheme: fix tracer conservation for divergent flow
60      (e.g., when using NonLin Free-Surface).
61    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
62    o gmredi (Visbeck-variable-K):
63     - add more parameters to Visbeck-variable-K.
64     - use a 5 points average for dSigmaR in Visbeck-K calculation
65       (more "homogenous": same stencil and same weights as in dSigmaH)
66     - update output of ideal_2D_oce experiment.
67    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
68      (#undef REAL4_IS_SLOW)
69     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
70       coordinate variable
71     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
72       (surface forcing fields), removes some of the functionality
73     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
74     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
75       probably not all: copy _RS surface flux fields to RL field before
76       calling DIAGNOSTICS_FILL
77     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
78       real*4 (CALL EXCH_*_RS) versions.
79     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
80       (generate new output).
81    
82    checkpoint61e
83    o gmredi (Visbeck-variable-K):
84      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
85      - change computation of Visbeck-K where Slope > Smax :        
86        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
87        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
88    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
89      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
90    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
91    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
92      does not become too large (to avoid precision problems in implicit-diffusion
93      solver); update ideal_2D_oce output.
94    o pkg ggl90:
95      - in ggl90_cal.F: compute only one set of visc/diff, used to
96        step forward TKE/T/S/momentum
97      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
98        have Prandlt =1)
99    o gmredi (fm07):
100      - add lower limit on Transition layer thickness + lower limit on 1/lambda
101      - allow to set few more params from data.gmredi
102    o pkg ggl90:
103          - add missing sqrt(2) factor in computation of mixing length
104            scale in ggl90_calc.F
105            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
106    
107    checkpoint61d
108    o adjoint modifs
109      - adapt to new field rhoInSitu
110      - allow to revert from StoreDynVars2D, StoreDynVars3D
111        to individual fields
112        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
113    o store 3-D (in-situ) density in commom block (DYNVARS.h)
114     - save 1 rho computation.
115     - no longer modify T & S inland when using down_slope pkg.
116    o gad_som : allow to switch to SOM advection for T & S without corresponding
117      pickup files (using new S/R: MDS_CHECK4FILE).
118    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
119      (for useSingleCpuIO to work in multi-threaded)
120    o pkg/shelfice:
121     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
122       with SHELFICEtopoFile in data.shelfice
123     - move code for reading ice shelf topography and modifying hFacC into separate
124       subroutines of the shelfice package
125     - separate initialisation of "fixed" and "variable" variables
126     - kTopC is not (yet) replaced by kSurfC, although this is possible
127    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
128    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
129      and rename:
130      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
131      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
132    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
133    
134    checkpoint61c
135    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
136      to add mass source/sink of fluid in the interior (3-D generalisation
137      of oceanic real-fresh water flux).
138    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
139    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
140    o new pkg: down_slope
141      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
142      - presently, modify T & S inland (dwnslp_calc_rho.F).
143        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
144      - implementation for ocean in P-coords not tested.
145      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
146    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
147      (to facilitate conversion of oceanic pkg to p-coordinate).
148    o change FIND_RHO to FIND_RHO_2D :
149      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
150    o new pkg: cheapaml
151    
152    checkpoint61b
153    o exch2:
154      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
155      - no longer depend on the order sequence (N,S,E,W).
156      - 3rd exchange no longer needed (tested with 24 tiles).
157      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
158      - exch_UV_A-grid readily available (but not yet tested).
159      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
160      (both are no longer needed) in exch_uv: no effect in forward run; but
161       get truncation error differences with adjoint exch.
162    o exch2:
163     - change index-bounds storage (moved from target to local tile,
164       more intuitive this way) ; rename/remove some variables.
165     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
166    
167    checkpoint61a
168    o exch2/matlab-topology-generator:
169      fix bug in index bounds for N-S internal exchange (hard to tell if this
170      had any effect on the solution).
171    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
172      is exceeded
173    o testreport: modify syntax of awk, so that it works also with
174      awk, and not only with nawk and gawk
175    
176    checkpoint61
177    o autodiff
178      Change default for TAF usage by removing argument '-nonew_arg'
179      This changes TAF subroutine argument list (ordering of active var.)
180      Omission of this flag leads to incompatibility w.r.t. TAMC
181      To restore TAMC-compatibility, need following modifs:
182      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
183      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
184      Tested TAF version is 1.9.22
185      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
186    
187    checkpoint60
188    --->>> This is the last checkpoint for which generating the adjoint
189    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
190    --->>> by default.
191    --->>> Future checkpoints will ommit this flag by default.
192    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
193    o pkg/grdchk: Add gradient check to etan0 perturbations.
194    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
195    o pkg/autodiff: more flexibility in zeroadj.
196      model/src: modifying do_oceanic_phys.F accordingly.
197    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
198    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
199      special setup of gmredi for which the adjoint is stable
200      enough for parameter optimization.
201    o bridging the gap between eddy stress and GM.
202      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
203          along with a change in CPP option (now ALLOW_EDDYPSI).
204      -> when using GM w/ GM_AdvForm:
205          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
206          is applied either in the tracer Eq. or in momentum Eq.
207          depending on data.gmredi (intro. GM_InMomAsStress).
208      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
209      The key modifications are in model/src/taueddy_external_forcing.F
210      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
211    
212    checkpoint59r
213    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
214      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
215      fix option to read coriolis(@ cell-corner) from files with CS-grid.
216    o pkg/mnc: add some attributes to standard 1D-coordinate variables
217    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
218      mass points, when using mnc for output
219      - add runtime parameter (missing_value, missing_value_int) to override
220        default (which is the value of getcon('UNDEF'))
221    o pkg/mnc: prepare mnc for the actual use of missing values with the
222      diagnostics package: small fix in mnc_cw_readwrite.template and more
223      initialisation of never used fields
224      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
225      versions
226    o pkg/thsice/thsice_ini_vars.F added default initial values so that
227      thermodynamics sea ice solver does not blow up when some initial fields
228      are missing.
229    o move from external_forcing_surf.F to ini_forcing.F
230      the p-coord. hack consisting in using pLoad to set phi0surf ;
231      update output of tutorial_global_oce_in_p (affected @ truncation level).
232    o Freshen up a bit hs94.1x64x5, notably:
233      remove rotationPeriod and tRef=5*0. (adjoint only), and add
234      exactConserv=.TRUE.
235    o pkg/generic_advdiff:
236      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
237      applies to files where Temperature & Salinity 2nd Order moments are used.
238    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
239      this uses a dynamically allocated internal state data structure
240      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
241      and requires a fortran 90 compiler
242    
243    checkpoint59q
244    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
245       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
246    o Refresh tutorial_global_oce_biogeo, notably:
247      - change bathymetry (put back seamounts in ACC, use hFacs)
248      - change EOS (POLY3 --> JMD95Z)
249      - use Bryan-Lewis vertical diffusivity
250      - use multidimensional advection
251      - remove old virtual virtual in dic pkg, now done through ptracer pkg
252      - change a couple of parameters in dic pkg
253    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
254    o pkg/obcs: change default to OBCSfixTopo = .true.,
255      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
256      - replace "debugMode" with "debugLevel .GE. debLevB"
257    o implementation of TAF directives for gchem,cfc,dic
258    o remove "exp5" (replaced by tutorial_deep_convection).
259    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
260      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
261      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
262      --> changes results in exp4, seaice_obcs
263    o tutorial_deep_convection :
264      update the set-up and increase resolution and domain size ; start
265      from pseudo initial conditions = output at t=120mn in order to see
266      something happening when running testreport.
267    o pkg/seaice: add os7mp as an advection scheme
268                  add check for advection schemes
269                  add a flag for restoring T and S underneath sea ice
270    o pkg/my82: add netcdf-support and diagnostics
271    o thsice pkg:
272      - Now hsMax limits snow height by turning it into ice following
273        flooding scheme (and now conserving energy)
274      - Slight rewriting of the formula in thsice_calc_thick.F
275      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
276      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
277    
278    checkpoint59p
279    o gchem / dic / cfc :
280      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
281      - add new parameter files: "data.dic" & "data.cfc" ;
282      - various re-arrangement in initialisation & header file ;
283      - fix tutorial_global_oce_biogeo for multi-threaded test.
284    o pkg/dic: test for "pickup_dic" file when restarting ;
285      if no pickup-file, can restart with a re-initialised pH (same as it did
286      before) providing pickupStrictlyMatch is set to False.
287    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
288      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
289    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
290      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
291    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
292     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
293       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
294    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
295       scheme to use for vorticty-term ;
296     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
297       (with default selectVortScheme, return to original discretisation)
298     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
299    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
300    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
301      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
302      also fix diagnostics VISCAHW & VISCA4W.
303    
304    checkpoint59o
305    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
306    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
307      move a few statemens out the main loop into separate loops
308    o pkg/shelfice:
309      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
310        (kg/m^2/s), does not break tests, because in verification/isomip,
311        rhoConstFresh=rhoConst (by accident)
312      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
313      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
314        new file model/src/seawater.F, so that they are available for all pkgs.
315      - convert potential temperature into in-situ temperature. This changes the
316        isomip tests => update tests
317    o add a flag writePickupAtEnd (default=true) to be able to suppress
318      writing a pickup at the last timestep
319    o tools/mpack-1.6 :
320      - disable automake (not working) and autoconf (not needed).
321      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
322        also cleaner with much less compilation warnings.
323    o pkg/profiles:
324      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
325      (for "less than 32 characters name" compiler requirement)
326    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
327      conditions that have a different sampling frequency than S/T/U/V obcs
328    o pkg/diagnostics (stats-diags):
329      - fix global Min/Max in case 1 processor get only empty tiles
330    o genmake2: replace (4 times)
331         make genmake_tc_1.o >> genmake_warnings 2>&1
332      with
333         COMM="$CC $CFLAGS -c genmake_tc_1.c"
334         echo $COMM >> genmake_warnings
335         $COMM >> genmake_warnings 2>&1
336      to make genmake2 always see the value of CC as specified in the optfile.
337    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
338      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
339      - modify verification advect_cs test to test SOM-advection on CS-grid.
340    o pkg/ctrl:
341      - Rewrite of ctrl_map_ini_ecco.F,
342        introducing a generic routine (ctrl_map_ini_gen.F).
343      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
344    
345    checkpoint59n
346    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
347      number in dedicate array "hdiag":
348      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
349        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
350      - many small changes (integer format) for large number of diagnostics
351      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
352        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
353    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
354      usingSphericalGrid, this allows to define the rotated grid coordinates
355      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
356      geographical coordinates according to the inverse of the rotation defined
357      by the Euler angles, so that Coriolis parameter and online-interpolation by
358      exf works with the geographical coordinates on XC/YC/XG/YG.
359      Naturally, this feature does not work with all packages, so some
360      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
361      profiles), because there the coordinates are assumed to be regular
362      spherical grid coordinates.
363    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
364      - introduce isopycnal diffusion coefficient control.
365    o tools/adjoint_options:
366      - additional control vector components.
367    o pkg/mnc: have mnc create marginally meaning full coordinate variables
368      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
369    o pkg/mypackage:
370      - add example of read/write pickup for state-var ;
371      - add entry points to the main code for state-vars diags & write-pickup.
372    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
373      transitions for useExfYearlyFields
374      - add new subroutine that determines the file to read from for
375        use*YearlyFields = .TRUE. and .FALSE.
376      - add a verification experiment to global_with_exf that tests
377        useExfYearlyFields with USE_EXF_INTERPOLATION defined
378    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
379      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
380      subroutines (which could be generated from a template, because they are
381      almost identical), for now they are included in obcs_prescribe_read.F for
382      simplicity
383    o pkg/exf:
384      - add a little more diagnostic to exf_interp_read (in analogy to
385        mds_read_field, can be turned off with debugLevel < debugLevA=1)
386      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
387        ugly but fast by unrolling short inner loops, inserting a unroll=8
388        directive in routine lagran, and splitting a loop and making do while the
389        outermost loop (the latter requires the intoduction of index arrays)
390  o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice  o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
391  o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver  o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
392    http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html    http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html

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