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revision 1.856 by dimitri, Mon Aug 6 19:36:53 2007 UTC revision 1.1069 by mlosch, Thu Feb 19 09:24:23 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/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
8      interpolated wind field not only for curvilineargrid=.true., but also
9      for a rotated grid (rotateGrid=.true.)
10    o pkg/exf: add capability to bypass interpolation for runoff
11      by setting yet another CPP-flag
12    o autodiff
13      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
14      allows to switch to single-prec common blocks;
15      corresponding switch occurs in tamc.h, integer isbyte
16      TAF store directivs "byte" and "kind" seem equivalent;
17      Most tamc.h have been updated correspondingly.
18    
19    checkpoint61i
20    o autodiff:
21      fix autodiff_sore/_restore indices for obcs
22      (spotted by I. Hoteit, M. Mazloff)
23    o pkg/autodiff, pkg/ctrl:
24      Add flag to reduce all tapelev I/O to single-prec.
25      In data.ctrl set
26        doSinglePrecTapelev = .TRUE.
27    o model/src/ini_curvilinear_grid.F: check in hack for SX8 compiler
28      to make sure that recip_dxV and recip_dyU are never zero, until we
29      have a proper exchange for them. Most compilers do not seem
30      to mind divisions by zero in the overlaps, as long as the results are
31      not used anywhere, but sxf90 does.
32    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
33      real fresh water flux (not yet)
34    o pkg/mdsio & rw:
35     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
36     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
37    o pkg/flt:
38     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
39       init_fixed & ini_varia.
40     - clean-up & simplify linear interpolation S/R:
41       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
42     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
43     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
44     - add vert. coordinate & horiz. indices to output files.
45     - change vertical position in initial condition, from index to depth [m].
46     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
47       (easier to get to a curvilinear grid) ; delX,delY no longer used.
48    o pkg/ggl90: a few modifications:
49     - fix bottom boundary condition, and interpolation of KappaE
50       near top and bottom
51     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
52     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
53     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
54    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
55      (maintain temporary backward compatibility, until next checkpoint)
56    
57    checkpoint61h
58    o pkg/diagnostics with "periodic averaging diagnostics":
59      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
60    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
61    o pkg/obcs: fix loop ranges for balancing code
62    o pkg/flt:
63     - improve criteria for finding which tile owns a float.
64     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
65    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
66      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
67      with ocean biogeo)
68    o pkg/flt:
69     - do some cleaning and fix the restart ;
70     - add output.txt in flt_example/results to get this pkg tested.
71    o genmake2: add an EXTENDED_SRC option and flag.
72       for now, cannot be turned on on command line (only through genmake_local)
73    o pkg/mdsio: read/write vector:
74     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
75     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
76       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
77     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
78      (drop to 4 digits matching for grad). But this test does not look very
79      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
80    
81    checkpoint61g
82    o pkg/flt:
83      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
84       + make OPTIONS file more standard.
85      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
86      - fix _BYTESWAPIO CPP-Flag
87      - standard reading of file-parameter "data.flt"
88      - fix argument list of S/R FLT_RESTART
89      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
90    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
91    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
92      a still unfixed compiler/optimization bug
93    
94    checkpoint61f
95    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
96      update results of global_ocean.cs32x15.icedyn test.
97    o move getcon.F from model/src to pkg/fizhi.
98    o pkg/exf: add parameter for extrapolation of temp up to the surface
99       and option to prevent negative evap (in bulk_largeyeager04 only).
100    o Prather Advection scheme: fix tracer conservation for divergent flow
101      (e.g., when using NonLin Free-Surface).
102    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
103    o gmredi (Visbeck-variable-K):
104     - add more parameters to Visbeck-variable-K.
105     - use a 5 points average for dSigmaR in Visbeck-K calculation
106       (more "homogenous": same stencil and same weights as in dSigmaH)
107     - update output of ideal_2D_oce experiment.
108    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
109      (#undef REAL4_IS_SLOW)
110     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
111       coordinate variable
112     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
113       (surface forcing fields), removes some of the functionality
114     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
115     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
116       probably not all: copy _RS surface flux fields to RL field before
117       calling DIAGNOSTICS_FILL
118     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
119       real*4 (CALL EXCH_*_RS) versions.
120     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
121       (generate new output).
122    
123    checkpoint61e
124    o gmredi (Visbeck-variable-K):
125      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
126      - change computation of Visbeck-K where Slope > Smax :        
127        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
128        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
129    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
130      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
131    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
132    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
133      does not become too large (to avoid precision problems in implicit-diffusion
134      solver); update ideal_2D_oce output.
135    o pkg ggl90:
136      - in ggl90_cal.F: compute only one set of visc/diff, used to
137        step forward TKE/T/S/momentum
138      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
139        have Prandlt =1)
140    o gmredi (fm07):
141      - add lower limit on Transition layer thickness + lower limit on 1/lambda
142      - allow to set few more params from data.gmredi
143    o pkg ggl90:
144          - add missing sqrt(2) factor in computation of mixing length
145            scale in ggl90_calc.F
146            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
147    
148    checkpoint61d
149    o adjoint modifs
150      - adapt to new field rhoInSitu
151      - allow to revert from StoreDynVars2D, StoreDynVars3D
152        to individual fields
153        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
154    o store 3-D (in-situ) density in commom block (DYNVARS.h)
155     - save 1 rho computation.
156     - no longer modify T & S inland when using down_slope pkg.
157    o gad_som : allow to switch to SOM advection for T & S without corresponding
158      pickup files (using new S/R: MDS_CHECK4FILE).
159    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
160      (for useSingleCpuIO to work in multi-threaded)
161    o pkg/shelfice:
162     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
163       with SHELFICEtopoFile in data.shelfice
164     - move code for reading ice shelf topography and modifying hFacC into separate
165       subroutines of the shelfice package
166     - separate initialisation of "fixed" and "variable" variables
167     - kTopC is not (yet) replaced by kSurfC, although this is possible
168    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
169    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
170      and rename:
171      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
172      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
173    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
174    
175    checkpoint61c
176    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
177      to add mass source/sink of fluid in the interior (3-D generalisation
178      of oceanic real-fresh water flux).
179    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
180    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
181    o new pkg: down_slope
182      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
183      - presently, modify T & S inland (dwnslp_calc_rho.F).
184        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
185      - implementation for ocean in P-coords not tested.
186      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
187    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
188      (to facilitate conversion of oceanic pkg to p-coordinate).
189    o change FIND_RHO to FIND_RHO_2D :
190      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
191    o new pkg: cheapaml
192    
193    checkpoint61b
194    o exch2:
195      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
196      - no longer depend on the order sequence (N,S,E,W).
197      - 3rd exchange no longer needed (tested with 24 tiles).
198      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
199      - exch_UV_A-grid readily available (but not yet tested).
200      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
201      (both are no longer needed) in exch_uv: no effect in forward run; but
202       get truncation error differences with adjoint exch.
203    o exch2:
204     - change index-bounds storage (moved from target to local tile,
205       more intuitive this way) ; rename/remove some variables.
206     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
207    
208    checkpoint61a
209    o exch2/matlab-topology-generator:
210      fix bug in index bounds for N-S internal exchange (hard to tell if this
211      had any effect on the solution).
212    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
213      is exceeded
214    o testreport: modify syntax of awk, so that it works also with
215      awk, and not only with nawk and gawk
216    
217    checkpoint61
218    o autodiff
219      Change default for TAF usage by removing argument '-nonew_arg'
220      This changes TAF subroutine argument list (ordering of active var.)
221      Omission of this flag leads to incompatibility w.r.t. TAMC
222      To restore TAMC-compatibility, need following modifs:
223      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
224      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
225      Tested TAF version is 1.9.22
226      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
227    
228    checkpoint60
229    --->>> This is the last checkpoint for which generating the adjoint
230    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
231    --->>> by default.
232    --->>> Future checkpoints will ommit this flag by default.
233    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
234    o pkg/grdchk: Add gradient check to etan0 perturbations.
235    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
236    o pkg/autodiff: more flexibility in zeroadj.
237      model/src: modifying do_oceanic_phys.F accordingly.
238    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
239    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
240      special setup of gmredi for which the adjoint is stable
241      enough for parameter optimization.
242    o bridging the gap between eddy stress and GM.
243      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
244          along with a change in CPP option (now ALLOW_EDDYPSI).
245      -> when using GM w/ GM_AdvForm:
246          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
247          is applied either in the tracer Eq. or in momentum Eq.
248          depending on data.gmredi (intro. GM_InMomAsStress).
249      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
250      The key modifications are in model/src/taueddy_external_forcing.F
251      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
252    
253    checkpoint59r
254    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
255      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
256      fix option to read coriolis(@ cell-corner) from files with CS-grid.
257    o pkg/mnc: add some attributes to standard 1D-coordinate variables
258    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
259      mass points, when using mnc for output
260      - add runtime parameter (missing_value, missing_value_int) to override
261        default (which is the value of getcon('UNDEF'))
262    o pkg/mnc: prepare mnc for the actual use of missing values with the
263      diagnostics package: small fix in mnc_cw_readwrite.template and more
264      initialisation of never used fields
265      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
266      versions
267    o pkg/thsice/thsice_ini_vars.F added default initial values so that
268      thermodynamics sea ice solver does not blow up when some initial fields
269      are missing.
270    o move from external_forcing_surf.F to ini_forcing.F
271      the p-coord. hack consisting in using pLoad to set phi0surf ;
272      update output of tutorial_global_oce_in_p (affected @ truncation level).
273    o Freshen up a bit hs94.1x64x5, notably:
274      remove rotationPeriod and tRef=5*0. (adjoint only), and add
275      exactConserv=.TRUE.
276    o pkg/generic_advdiff:
277      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
278      applies to files where Temperature & Salinity 2nd Order moments are used.
279    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
280      this uses a dynamically allocated internal state data structure
281      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
282      and requires a fortran 90 compiler
283    
284    checkpoint59q
285    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
286       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
287    o Refresh tutorial_global_oce_biogeo, notably:
288      - change bathymetry (put back seamounts in ACC, use hFacs)
289      - change EOS (POLY3 --> JMD95Z)
290      - use Bryan-Lewis vertical diffusivity
291      - use multidimensional advection
292      - remove old virtual virtual in dic pkg, now done through ptracer pkg
293      - change a couple of parameters in dic pkg
294    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
295    o pkg/obcs: change default to OBCSfixTopo = .true.,
296      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
297      - replace "debugMode" with "debugLevel .GE. debLevB"
298    o implementation of TAF directives for gchem,cfc,dic
299    o remove "exp5" (replaced by tutorial_deep_convection).
300    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
301      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
302      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
303      --> changes results in exp4, seaice_obcs
304    o tutorial_deep_convection :
305      update the set-up and increase resolution and domain size ; start
306      from pseudo initial conditions = output at t=120mn in order to see
307      something happening when running testreport.
308    o pkg/seaice: add os7mp as an advection scheme
309                  add check for advection schemes
310                  add a flag for restoring T and S underneath sea ice
311    o pkg/my82: add netcdf-support and diagnostics
312    o thsice pkg:
313      - Now hsMax limits snow height by turning it into ice following
314        flooding scheme (and now conserving energy)
315      - Slight rewriting of the formula in thsice_calc_thick.F
316      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
317      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
318    
319    checkpoint59p
320    o gchem / dic / cfc :
321      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
322      - add new parameter files: "data.dic" & "data.cfc" ;
323      - various re-arrangement in initialisation & header file ;
324      - fix tutorial_global_oce_biogeo for multi-threaded test.
325    o pkg/dic: test for "pickup_dic" file when restarting ;
326      if no pickup-file, can restart with a re-initialised pH (same as it did
327      before) providing pickupStrictlyMatch is set to False.
328    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
329      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
330    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
331      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
332    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
333     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
334       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
335    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
336       scheme to use for vorticty-term ;
337     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
338       (with default selectVortScheme, return to original discretisation)
339     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
340    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
341    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
342      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
343      also fix diagnostics VISCAHW & VISCA4W.
344    
345    checkpoint59o
346    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
347    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
348      move a few statemens out the main loop into separate loops
349    o pkg/shelfice:
350      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
351        (kg/m^2/s), does not break tests, because in verification/isomip,
352        rhoConstFresh=rhoConst (by accident)
353      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
354      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
355        new file model/src/seawater.F, so that they are available for all pkgs.
356      - convert potential temperature into in-situ temperature. This changes the
357        isomip tests => update tests
358    o add a flag writePickupAtEnd (default=true) to be able to suppress
359      writing a pickup at the last timestep
360    o tools/mpack-1.6 :
361      - disable automake (not working) and autoconf (not needed).
362      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
363        also cleaner with much less compilation warnings.
364    o pkg/profiles:
365      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
366      (for "less than 32 characters name" compiler requirement)
367    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
368      conditions that have a different sampling frequency than S/T/U/V obcs
369    o pkg/diagnostics (stats-diags):
370      - fix global Min/Max in case 1 processor get only empty tiles
371    o genmake2: replace (4 times)
372         make genmake_tc_1.o >> genmake_warnings 2>&1
373      with
374         COMM="$CC $CFLAGS -c genmake_tc_1.c"
375         echo $COMM >> genmake_warnings
376         $COMM >> genmake_warnings 2>&1
377      to make genmake2 always see the value of CC as specified in the optfile.
378    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
379      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
380      - modify verification advect_cs test to test SOM-advection on CS-grid.
381    o pkg/ctrl:
382      - Rewrite of ctrl_map_ini_ecco.F,
383        introducing a generic routine (ctrl_map_ini_gen.F).
384      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
385    
386    checkpoint59n
387    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
388      number in dedicate array "hdiag":
389      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
390        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
391      - many small changes (integer format) for large number of diagnostics
392      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
393        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
394    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
395      usingSphericalGrid, this allows to define the rotated grid coordinates
396      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
397      geographical coordinates according to the inverse of the rotation defined
398      by the Euler angles, so that Coriolis parameter and online-interpolation by
399      exf works with the geographical coordinates on XC/YC/XG/YG.
400      Naturally, this feature does not work with all packages, so some
401      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
402      profiles), because there the coordinates are assumed to be regular
403      spherical grid coordinates.
404    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
405      - introduce isopycnal diffusion coefficient control.
406    o tools/adjoint_options:
407      - additional control vector components.
408    o pkg/mnc: have mnc create marginally meaning full coordinate variables
409      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
410    o pkg/mypackage:
411      - add example of read/write pickup for state-var ;
412      - add entry points to the main code for state-vars diags & write-pickup.
413    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
414      transitions for useExfYearlyFields
415      - add new subroutine that determines the file to read from for
416        use*YearlyFields = .TRUE. and .FALSE.
417      - add a verification experiment to global_with_exf that tests
418        useExfYearlyFields with USE_EXF_INTERPOLATION defined
419    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
420      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
421      subroutines (which could be generated from a template, because they are
422      almost identical), for now they are included in obcs_prescribe_read.F for
423      simplicity
424    o pkg/exf:
425      - add a little more diagnostic to exf_interp_read (in analogy to
426        mds_read_field, can be turned off with debugLevel < debugLevA=1)
427      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
428        ugly but fast by unrolling short inner loops, inserting a unroll=8
429        directive in routine lagran, and splitting a loop and making do while the
430        outermost loop (the latter requires the intoduction of index arrays)
431    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
432    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
433      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
434    o verification/seaice_obcs: updated for restart test and latest options
435    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
436      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
437      for now this is only available for the C-grid code and also within
438      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
439    
440    checkpoint59m
441    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
442      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
443    o gad_som : fix flux output (& diagnostics) to have same units as other  
444      advection scheme fluxes (was previously multiplied by deltaT).  
445    o added verification/seaice_obcs both to test seaice open boundaries
446      and to provide an example matlab scrpt for generating them
447    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
448    o pkg/salt_plume: clean up salt_plume_frac.F to
449      remove redundancy in PlumeMethod 1 and 4
450    o pkg/kpp: added saltplume diagnostics
451    o pkg/obcs and pkg/seaice:
452      - do not set uice and vice to zero when OB*icefile are unspecified
453      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
454      - moved seaice tracer obcs after call to seaice_growth
455    o pkg/salt_plume: added various options for salt plume depth
456      criterion and for vertical distribution of the salt
457    
458    checkpoint59l
459    o pkg/ptracers: new version of ptracers pickup:
460      read meta file and write only fields which are needed to restart.
461      ( same logic as main pickup file ; also using pickupStrictlyMatch )
462    o pkg/seaice:
463      - add timescale for melting due to warm mixed layer as a means of
464        setting SEAICE_availHeatFrac more conveniently
465      - add a CPP-flag/runtime parameter check for flooding algorithm
466      - reformulated availHeat in seaice_growth.F to be independent of AREA
467    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
468      unit changes
469    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
470    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
471      SX vector computer.
472    o pkg/seaice:
473      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
474        seaice forcing fields can now be read only through pkg/exf
475      - removed some unused halos
476    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
477    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
478      or U/VICE from U/VWIND before computing U/VSTRESS
479    
480    checkpoint59k
481    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
482      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
483    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
484      all experiments pass when compile with un-initialised var. checking option.
485    o added pkg/salt_plume
486    o script to test restart (for now, in MITgcm_contrib/jmc_script)
487    o pkg/seaice: new read/write pickup version.
488      read meta file and write only fields which are needed to restart.
489      ( same logic as main pickup file ; also using pickupStrictlyMatch )
490    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
491    o lab_sea.hb87: modify the domain & update output.hb87.txt :
492      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
493      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
494      process. Fixed here by closing the domain at the Northern boundary.
495    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
496    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
497      a set of consecutive levels in/from a 3-D array.
498    o pkg/ptracers:
499      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
500      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
501    
502    checkpoint59j
503    o in pkgs: dic, obcs, offline, rbcs:
504      standard way to compute coeff. for time interpolation between 2 time reccords
505      which retains full precision (& make results less dependent on compiler).
506      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
507    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
508      packages instead of reading ice cover and wind speed separately
509    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
510     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
511      to allow to compile customized code before the update)
512    o cleaning-up:
513      - fix CPP instruction syntax in pkg/obcs
514      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
515        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
516      - fix some threads issue in IO parts.
517    o pkg/dic:
518      - add tons of "_d 0" (--> much better testreports !)
519       and then update outputs of tutorial_global_oce_biogeo
520    o pkg/mom_fluxform:
521      add a special version of momentum advection intended to conserve momentum
522      next to a bathymetry step or a coastline edge. (default = off = #undef)
523    o new read/write pickup version:
524      - for now, only implemented for main (mdsio) pickup file.
525      - write out only what is needed to restart; merge pickup_nh , pickup_ph
526        and main pickup together.
527      - read meta file; read only what is needed to restart; stop if a field
528        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
529        if it make sense (even if the restart is not perfect).
530      - if no meta file, assume that pickup to read corresponds exactly to
531        a pickup that would currently be written.
532      - read pickup written in the old format (until checkpoint59i) if it
533        recognizes an old meta file (no field-list).
534      - add a meta file in exp. which starts from a pickup: 2 cases:
535        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
536         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
537        b) a meta file describing the content of the associated pickup file
538         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
539    o pkg/mdsio & pkg/rw:
540      - new routine to read a meta file ; new set of routine to read
541        Multiple-fields file (with meta file).
542    o added open boundary conditions capability for seaice
543        HSNOW, HSALT, UICE, and VICE
544    
545    checkpoint59i
546    o adjoint:
547      * fix multiDimAdvection adjoint
548        (partial recomputation problem by TAF for fVerT(:,:,kDown)
549        and comlev1 size definition (maxpass vs. max. number of tracers)
550      * verification/global_ocean.90x45x15 adjoint now tests
551        NLFS and multiDimAdvection using DST3 (=30)
552      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
553    o pkg/kpp: add "_d 0" to real constant (if missing);
554      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
555      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
556    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
557      for internal parameters related to restart process (formerly from PARAMS.h)
558      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
559    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
560      as argument. (only atm2d & obcs write_pickup have not yet been updated)
561    o pkg/monitor:
562      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
563      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
564      - account for deep Atmosphere factor and density factor (anelastic)
565    o added open boundary conditions capability for seaice HEFF and AREA
566    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
567      thermodynamics
568      - requires a little reorganization, which affects the testreport results
569        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
570        so that now the conservative form is tested
571      - add a few comments
572    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
573    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
574    o add new diagnostics to seaice: advective, diffusive fluxes (only for
575      multidim-advection, for scheme 2 they are not filled) and transports,
576      thermodynamic growth rates
577    o change units of EmPmR (inside the code, + within coupling interface)
578      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
579      Affects results @ truncation level (cg2d match) and update output of
580       experiments: lab_sea(6), global_ocean.90x40x15(10),
581      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
582      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
583      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
584      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
585    
586    checkpoint59h
587    o pkg/exf:
588      - improve vectorization by moving if-statement out of loops in
589        exf_mapfields, exf_radiation
590      - exf_bulkformulae.F: introduce 2D fields and vectorize code
591    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
592    o testreport:
593      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
594        monitor & update offline_exf_seaice exp. output.
595      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
596    o pkg/seaice:
597      - bug fix in the evp solver: boundary conditions were affected be
598        masking of zMax/zMin (changes results)
599      - minor bug fix in boundary conditions in seaice_calc_strainrates
600        (changes results for no_slip)
601      - seaice_lsr.F: make interpolation of eta dependent on boundaries
602      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
603      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
604        stress formulation and no-slip boundary conditions
605    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
606      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
607    o pkg/seaice: a first HSALT time stepping equation has been checked in
608    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
609      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
610      without requiring DO-IF statements
611    o pkg/thsice:
612      use continuous power-law function for partition of energy between lateral
613      melting/freezing and thinning/thickening ; old code using step function
614      still available with #undef THSICE_FRACEN_POWERLAW
615      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
616    o testreport: change AD testing : check against results/output_adm.txt
617      using same scripts as for forward test.
618    
619    checkpoint59g
620    o adjoint testing: in preparation for changing testreport:
621      - output format: cost and grad written on separated lines
622      - ad output results in directory "results" (instead of "results_ad")
623    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
624    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
625    o pkg/ecco: allow user defined cost function contributions
626    o testreport:
627      Allow to choose (per experiment) the list of tested output variables
628       and the main variable (used to issue a pass/FAIL ) ;
629      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
630      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
631      Also modify printing of summary:
632       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
633       b) echo the list of tested variables in the individual summary.txt of
634          each experiment.
635    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
636      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
637      (but still depend on the tile decompostion of the domain).
638    o pkg/seaice: change a discretization detail to make the B-grid code
639      "more symmetric". This change is likely to remove all "ridges/leads" that
640      where quasi-aligned with the grid in B-grid solutions. It may also be
641      the solution to the stress coupling issues with the B-grid.
642    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
643      remove .cvsignore from input dir. (since testreport no longer run here).
644    o pkg/thsice:
645     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
646     - fix reshaping of sea-ice just after advection:
647       melt all the ice only if ice-volume is too small.
648     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
649       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
650     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
651    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
652      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
653    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
654      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
655      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
656      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
657      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
658      -> update output.txt
659    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
660     this affects truncation error: -> update output.txt of exp:
661      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
662      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
663    
664    checkpoint59f
665    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
666    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
667      a bounded range (in forward mode)
668    o pkg/ecco, ctrl, autodiff and mom_common:
669     internal parameter controls, completements of implementations
670    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
671    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
672      (not seem any difference in testing results).
673    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
674       at face corners.
675    o pkg/generic_advdiff:
676     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
677      loop range indices for computing vertical advection tendency
678      and do the calculation in the interior only (no overlap) ;
679      for now, only implemented for SOM advection (to save CPU time).
680     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
681  o exch2 adjoint  o exch2 adjoint
682    First set of changes:    First set of changes:
683    - add exch2 hand-written adjoint templates    - add exch2 hand-written adjoint templates
# Line 15  o exch2 adjoint Line 689  o exch2 adjoint
689      (commented via 'cph-exch2')      (commented via 'cph-exch2')
690  o pkg/seaice  o pkg/seaice
691    - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.    - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
692    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
693       output of global_ocean.cs32x15.thsice .
694    
695  checkpoint59e  checkpoint59e
696  o exch2: new S/R that only use the cube-tracer (center-position) exchange:  o exch2: new S/R that only use the cube-tracer (center-position) exchange:
# Line 214  o in FFIELDS.h: Line 890  o in FFIELDS.h:
890       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
891  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
892  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
893      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
894        are no longer updating the vertical diffusivity array
895        (passed as argument) but are (re-) setting those arrays.
896  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
897    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
898      cgrid-lsr and evp solver      cgrid-lsr and evp solver
# Line 1696  o add two new packages Line 2374  o add two new packages
2374    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2375    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2376      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2377      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2378  o add offline package  o add offline package
2379  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2380    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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