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revision 1.928 by jmc, Tue Dec 18 16:19:53 2007 UTC revision 1.1046 by jmc, Wed Dec 3 02:45:22 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/flt:
8      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
9       + make OPTIONS file more standard.
10      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
11      - fix _BYTESWAPIO CPP-Flag
12      - standard reading of file-parameter "data.flt"
13      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
14    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
15    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
16      a still unfixed compiler/optimization bug
17    
18    checkpoint61f
19    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
20      update results of global_ocean.cs32x15.icedyn test.
21    o move getcon.F from model/src to pkg/fizhi.
22    o pkg/exf: add parameter for extrapolation of temp up to the surface
23       and option to prevent negative evap (in bulk_largeyeager04 only).
24    o Prather Advection scheme: fix tracer conservation for divergent flow
25      (e.g., when using NonLin Free-Surface).
26    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
27    o gmredi (Visbeck-variable-K):
28     - add more parameters to Visbeck-variable-K.
29     - use a 5 points average for dSigmaR in Visbeck-K calculation
30       (more "homogenous": same stencil and same weights as in dSigmaH)
31     - update output of ideal_2D_oce experiment.
32    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
33      (#undef REAL4_IS_SLOW)
34     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
35       coordinate variable
36     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
37       (surface forcing fields), removes some of the functionality
38     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
39     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
40       probably not all: copy _RS surface flux fields to RL field before
41       calling DIAGNOSTICS_FILL
42     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
43       real*4 (CALL EXCH_*_RS) versions.
44     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
45       (generate new output).
46    
47    checkpoint61e
48    o gmredi (Visbeck-variable-K):
49      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
50      - change computation of Visbeck-K where Slope > Smax :        
51        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
52        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
53    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
54      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
55    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
56    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
57      does not become too large (to avoid precision problems in implicit-diffusion
58      solver); update ideal_2D_oce output.
59    o pkg ggl90:
60      - in ggl90_cal.F: compute only one set of visc/diff, used to
61        step forward TKE/T/S/momentum
62      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
63        have Prandlt =1)
64    o gmredi (fm07):
65      - add lower limit on Transition layer thickness + lower limit on 1/lambda
66      - allow to set few more params from data.gmredi
67    o pkg ggl90:
68          - add missing sqrt(2) factor in computation of mixing length
69            scale in ggl90_calc.F
70            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
71    
72    checkpoint61d
73    o adjoint modifs
74      - adapt to new field rhoInSitu
75      - allow to revert from StoreDynVars2D, StoreDynVars3D
76        to individual fields
77        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
78    o store 3-D (in-situ) density in commom block (DYNVARS.h)
79     - save 1 rho computation.
80     - no longer modify T & S inland when using down_slope pkg.
81    o gad_som : allow to switch to SOM advection for T & S without corresponding
82      pickup files (using new S/R: MDS_CHECK4FILE).
83    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
84      (for useSingleCpuIO to work in multi-threaded)
85    o pkg/shelfice:
86     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
87       with SHELFICEtopoFile in data.shelfice
88     - move code for reading ice shelf topography and modifying hFacC into separate
89       subroutines of the shelfice package
90     - separate initialisation of "fixed" and "variable" variables
91     - kTopC is not (yet) replaced by kSurfC, although this is possible
92    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
93    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
94      and rename:
95      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
96      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
97    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
98    
99    checkpoint61c
100    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
101      to add mass source/sink of fluid in the interior (3-D generalisation
102      of oceanic real-fresh water flux).
103    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
104    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
105    o new pkg: down_slope
106      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
107      - presently, modify T & S inland (dwnslp_calc_rho.F).
108        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
109      - implementation for ocean in P-coords not tested.
110      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
111    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
112      (to facilitate conversion of oceanic pkg to p-coordinate).
113    o change FIND_RHO to FIND_RHO_2D :
114      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
115    o new pkg: cheapaml
116    
117    checkpoint61b
118    o exch2:
119      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
120      - no longer depend on the order sequence (N,S,E,W).
121      - 3rd exchange no longer needed (tested with 24 tiles).
122      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
123      - exch_UV_A-grid readily available (but not yet tested).
124      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
125      (both are no longer needed) in exch_uv: no effect in forward run; but
126       get truncation error differences with adjoint exch.
127    o exch2:
128     - change index-bounds storage (moved from target to local tile,
129       more intuitive this way) ; rename/remove some variables.
130     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
131    
132    checkpoint61a
133    o exch2/matlab-topology-generator:
134      fix bug in index bounds for N-S internal exchange (hard to tell if this
135      had any effect on the solution).
136    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
137      is exceeded
138    o testreport: modify syntax of awk, so that it works also with
139      awk, and not only with nawk and gawk
140    
141    checkpoint61
142    o autodiff
143      Change default for TAF usage by removing argument '-nonew_arg'
144      This changes TAF subroutine argument list (ordering of active var.)
145      Omission of this flag leads to incompatibility w.r.t. TAMC
146      To restore TAMC-compatibility, need following modifs:
147      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
148      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
149      Tested TAF version is 1.9.22
150      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
151    
152    checkpoint60
153    --->>> This is the last checkpoint for which generating the adjoint
154    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
155    --->>> by default.
156    --->>> Future checkpoints will ommit this flag by default.
157    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
158    o pkg/grdchk: Add gradient check to etan0 perturbations.
159    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
160    o pkg/autodiff: more flexibility in zeroadj.
161      model/src: modifying do_oceanic_phys.F accordingly.
162    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
163    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
164      special setup of gmredi for which the adjoint is stable
165      enough for parameter optimization.
166    o bridging the gap between eddy stress and GM.
167      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
168          along with a change in CPP option (now ALLOW_EDDYPSI).
169      -> when using GM w/ GM_AdvForm:
170          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
171          is applied either in the tracer Eq. or in momentum Eq.
172          depending on data.gmredi (intro. GM_InMomAsStress).
173      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
174      The key modifications are in model/src/taueddy_external_forcing.F
175      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
176    
177    checkpoint59r
178    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
179      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
180      fix option to read coriolis(@ cell-corner) from files with CS-grid.
181    o pkg/mnc: add some attributes to standard 1D-coordinate variables
182    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
183      mass points, when using mnc for output
184      - add runtime parameter (missing_value, missing_value_int) to override
185        default (which is the value of getcon('UNDEF'))
186    o pkg/mnc: prepare mnc for the actual use of missing values with the
187      diagnostics package: small fix in mnc_cw_readwrite.template and more
188      initialisation of never used fields
189      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
190      versions
191    o pkg/thsice/thsice_ini_vars.F added default initial values so that
192      thermodynamics sea ice solver does not blow up when some initial fields
193      are missing.
194    o move from external_forcing_surf.F to ini_forcing.F
195      the p-coord. hack consisting in using pLoad to set phi0surf ;
196      update output of tutorial_global_oce_in_p (affected @ truncation level).
197    o Freshen up a bit hs94.1x64x5, notably:
198      remove rotationPeriod and tRef=5*0. (adjoint only), and add
199      exactConserv=.TRUE.
200    o pkg/generic_advdiff:
201      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
202      applies to files where Temperature & Salinity 2nd Order moments are used.
203    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
204      this uses a dynamically allocated internal state data structure
205      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
206      and requires a fortran 90 compiler
207    
208    checkpoint59q
209    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
210       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
211    o Refresh tutorial_global_oce_biogeo, notably:
212      - change bathymetry (put back seamounts in ACC, use hFacs)
213      - change EOS (POLY3 --> JMD95Z)
214      - use Bryan-Lewis vertical diffusivity
215      - use multidimensional advection
216      - remove old virtual virtual in dic pkg, now done through ptracer pkg
217      - change a couple of parameters in dic pkg
218    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
219    o pkg/obcs: change default to OBCSfixTopo = .true.,
220      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
221      - replace "debugMode" with "debugLevel .GE. debLevB"
222    o implementation of TAF directives for gchem,cfc,dic
223    o remove "exp5" (replaced by tutorial_deep_convection).
224    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
225      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
226      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
227      --> changes results in exp4, seaice_obcs
228    o tutorial_deep_convection :
229      update the set-up and increase resolution and domain size ; start
230      from pseudo initial conditions = output at t=120mn in order to see
231      something happening when running testreport.
232    o pkg/seaice: add os7mp as an advection scheme
233                  add check for advection schemes
234                  add a flag for restoring T and S underneath sea ice
235    o pkg/my82: add netcdf-support and diagnostics
236    o thsice pkg:
237      - Now hsMax limits snow height by turning it into ice following
238        flooding scheme (and now conserving energy)
239      - Slight rewriting of the formula in thsice_calc_thick.F
240      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
241      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
242    
243    checkpoint59p
244    o gchem / dic / cfc :
245      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
246      - add new parameter files: "data.dic" & "data.cfc" ;
247      - various re-arrangement in initialisation & header file ;
248      - fix tutorial_global_oce_biogeo for multi-threaded test.
249    o pkg/dic: test for "pickup_dic" file when restarting ;
250      if no pickup-file, can restart with a re-initialised pH (same as it did
251      before) providing pickupStrictlyMatch is set to False.
252    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
253      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
254    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
255      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
256    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
257     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
258       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
259    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
260       scheme to use for vorticty-term ;
261     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
262       (with default selectVortScheme, return to original discretisation)
263     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
264    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
265    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
266      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
267      also fix diagnostics VISCAHW & VISCA4W.
268    
269    checkpoint59o
270    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
271    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
272      move a few statemens out the main loop into separate loops
273    o pkg/shelfice:
274      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
275        (kg/m^2/s), does not break tests, because in verification/isomip,
276        rhoConstFresh=rhoConst (by accident)
277      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
278      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
279        new file model/src/seawater.F, so that they are available for all pkgs.
280      - convert potential temperature into in-situ temperature. This changes the
281        isomip tests => update tests
282    o add a flag writePickupAtEnd (default=true) to be able to suppress
283      writing a pickup at the last timestep
284    o tools/mpack-1.6 :
285      - disable automake (not working) and autoconf (not needed).
286      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
287        also cleaner with much less compilation warnings.
288    o pkg/profiles:
289      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
290      (for "less than 32 characters name" compiler requirement)
291    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
292      conditions that have a different sampling frequency than S/T/U/V obcs
293    o pkg/diagnostics (stats-diags):
294      - fix global Min/Max in case 1 processor get only empty tiles
295    o genmake2: replace (4 times)
296         make genmake_tc_1.o >> genmake_warnings 2>&1
297      with
298         COMM="$CC $CFLAGS -c genmake_tc_1.c"
299         echo $COMM >> genmake_warnings
300         $COMM >> genmake_warnings 2>&1
301      to make genmake2 always see the value of CC as specified in the optfile.
302    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
303      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
304      - modify verification advect_cs test to test SOM-advection on CS-grid.
305    o pkg/ctrl:
306      - Rewrite of ctrl_map_ini_ecco.F,
307        introducing a generic routine (ctrl_map_ini_gen.F).
308      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
309    
310    checkpoint59n
311    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
312      number in dedicate array "hdiag":
313      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
314        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
315      - many small changes (integer format) for large number of diagnostics
316      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
317        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
318    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
319      usingSphericalGrid, this allows to define the rotated grid coordinates
320      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
321      geographical coordinates according to the inverse of the rotation defined
322      by the Euler angles, so that Coriolis parameter and online-interpolation by
323      exf works with the geographical coordinates on XC/YC/XG/YG.
324      Naturally, this feature does not work with all packages, so some
325      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
326      profiles), because there the coordinates are assumed to be regular
327      spherical grid coordinates.
328    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
329      - introduce isopycnal diffusion coefficient control.
330    o tools/adjoint_options:
331      - additional control vector components.
332    o pkg/mnc: have mnc create marginally meaning full coordinate variables
333      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
334    o pkg/mypackage:
335      - add example of read/write pickup for state-var ;
336      - add entry points to the main code for state-vars diags & write-pickup.
337    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
338      transitions for useExfYearlyFields
339      - add new subroutine that determines the file to read from for
340        use*YearlyFields = .TRUE. and .FALSE.
341      - add a verification experiment to global_with_exf that tests
342        useExfYearlyFields with USE_EXF_INTERPOLATION defined
343    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
344      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
345      subroutines (which could be generated from a template, because they are
346      almost identical), for now they are included in obcs_prescribe_read.F for
347      simplicity
348    o pkg/exf:
349      - add a little more diagnostic to exf_interp_read (in analogy to
350        mds_read_field, can be turned off with debugLevel < debugLevA=1)
351      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
352        ugly but fast by unrolling short inner loops, inserting a unroll=8
353        directive in routine lagran, and splitting a loop and making do while the
354        outermost loop (the latter requires the intoduction of index arrays)
355    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
356    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
357      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
358    o verification/seaice_obcs: updated for restart test and latest options
359    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
360      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
361      for now this is only available for the C-grid code and also within
362      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
363    
364    checkpoint59m
365    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
366      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
367    o gad_som : fix flux output (& diagnostics) to have same units as other  
368      advection scheme fluxes (was previously multiplied by deltaT).  
369    o added verification/seaice_obcs both to test seaice open boundaries
370      and to provide an example matlab scrpt for generating them
371    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
372    o pkg/salt_plume: clean up salt_plume_frac.F to
373      remove redundancy in PlumeMethod 1 and 4
374    o pkg/kpp: added saltplume diagnostics
375    o pkg/obcs and pkg/seaice:
376      - do not set uice and vice to zero when OB*icefile are unspecified
377      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
378      - moved seaice tracer obcs after call to seaice_growth
379  o pkg/salt_plume: added various options for salt plume depth  o pkg/salt_plume: added various options for salt plume depth
380    criterion and for vertical distribution of the salt    criterion and for vertical distribution of the salt
381    

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