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revision 1.837 by mlosch, Sun Jun 17 09:22:06 2007 UTC revision 1.1052 by mlosch, Mon Jan 12 10:10:19 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/obcs: fix loop ranges for balancing code
8    o pkg/flt:
9     - improve criteria for finding which tile owns a float.
10     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
11    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
12      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
13      with ocean biogeo)
14    o pkg/flt:
15     - do some cleaning and fix the restart ;
16     - add output.txt in flt_example/results to get this pkg tested.
17    o genmake2: add an EXTENDED_SRC option and flag.
18       for now, cannot be turned on on command line (only through genmake_local)
19    o pkg/mdsio: read/write vector:
20     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
21     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
22       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
23     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
24      (drop to 4 digits matching for grad). But this test does not look very
25      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
26    
27    checkpoint61g
28    o pkg/flt:
29      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
30       + make OPTIONS file more standard.
31      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
32      - fix _BYTESWAPIO CPP-Flag
33      - standard reading of file-parameter "data.flt"
34      - fix argument list of S/R FLT_RESTART
35      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
36    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
37    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
38      a still unfixed compiler/optimization bug
39    
40    checkpoint61f
41    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
42      update results of global_ocean.cs32x15.icedyn test.
43    o move getcon.F from model/src to pkg/fizhi.
44    o pkg/exf: add parameter for extrapolation of temp up to the surface
45       and option to prevent negative evap (in bulk_largeyeager04 only).
46    o Prather Advection scheme: fix tracer conservation for divergent flow
47      (e.g., when using NonLin Free-Surface).
48    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
49    o gmredi (Visbeck-variable-K):
50     - add more parameters to Visbeck-variable-K.
51     - use a 5 points average for dSigmaR in Visbeck-K calculation
52       (more "homogenous": same stencil and same weights as in dSigmaH)
53     - update output of ideal_2D_oce experiment.
54    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
55      (#undef REAL4_IS_SLOW)
56     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
57       coordinate variable
58     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
59       (surface forcing fields), removes some of the functionality
60     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
61     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
62       probably not all: copy _RS surface flux fields to RL field before
63       calling DIAGNOSTICS_FILL
64     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
65       real*4 (CALL EXCH_*_RS) versions.
66     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
67       (generate new output).
68    
69    checkpoint61e
70    o gmredi (Visbeck-variable-K):
71      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
72      - change computation of Visbeck-K where Slope > Smax :        
73        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
74        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
75    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
76      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
77    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
78    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
79      does not become too large (to avoid precision problems in implicit-diffusion
80      solver); update ideal_2D_oce output.
81    o pkg ggl90:
82      - in ggl90_cal.F: compute only one set of visc/diff, used to
83        step forward TKE/T/S/momentum
84      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
85        have Prandlt =1)
86    o gmredi (fm07):
87      - add lower limit on Transition layer thickness + lower limit on 1/lambda
88      - allow to set few more params from data.gmredi
89    o pkg ggl90:
90          - add missing sqrt(2) factor in computation of mixing length
91            scale in ggl90_calc.F
92            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
93    
94    checkpoint61d
95    o adjoint modifs
96      - adapt to new field rhoInSitu
97      - allow to revert from StoreDynVars2D, StoreDynVars3D
98        to individual fields
99        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
100    o store 3-D (in-situ) density in commom block (DYNVARS.h)
101     - save 1 rho computation.
102     - no longer modify T & S inland when using down_slope pkg.
103    o gad_som : allow to switch to SOM advection for T & S without corresponding
104      pickup files (using new S/R: MDS_CHECK4FILE).
105    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
106      (for useSingleCpuIO to work in multi-threaded)
107    o pkg/shelfice:
108     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
109       with SHELFICEtopoFile in data.shelfice
110     - move code for reading ice shelf topography and modifying hFacC into separate
111       subroutines of the shelfice package
112     - separate initialisation of "fixed" and "variable" variables
113     - kTopC is not (yet) replaced by kSurfC, although this is possible
114    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
115    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
116      and rename:
117      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
118      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
119    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
120    
121    checkpoint61c
122    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
123      to add mass source/sink of fluid in the interior (3-D generalisation
124      of oceanic real-fresh water flux).
125    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
126    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
127    o new pkg: down_slope
128      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
129      - presently, modify T & S inland (dwnslp_calc_rho.F).
130        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
131      - implementation for ocean in P-coords not tested.
132      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
133    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
134      (to facilitate conversion of oceanic pkg to p-coordinate).
135    o change FIND_RHO to FIND_RHO_2D :
136      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
137    o new pkg: cheapaml
138    
139    checkpoint61b
140    o exch2:
141      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
142      - no longer depend on the order sequence (N,S,E,W).
143      - 3rd exchange no longer needed (tested with 24 tiles).
144      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
145      - exch_UV_A-grid readily available (but not yet tested).
146      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
147      (both are no longer needed) in exch_uv: no effect in forward run; but
148       get truncation error differences with adjoint exch.
149    o exch2:
150     - change index-bounds storage (moved from target to local tile,
151       more intuitive this way) ; rename/remove some variables.
152     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
153    
154    checkpoint61a
155    o exch2/matlab-topology-generator:
156      fix bug in index bounds for N-S internal exchange (hard to tell if this
157      had any effect on the solution).
158    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
159      is exceeded
160    o testreport: modify syntax of awk, so that it works also with
161      awk, and not only with nawk and gawk
162    
163    checkpoint61
164    o autodiff
165      Change default for TAF usage by removing argument '-nonew_arg'
166      This changes TAF subroutine argument list (ordering of active var.)
167      Omission of this flag leads to incompatibility w.r.t. TAMC
168      To restore TAMC-compatibility, need following modifs:
169      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
170      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
171      Tested TAF version is 1.9.22
172      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
173    
174    checkpoint60
175    --->>> This is the last checkpoint for which generating the adjoint
176    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
177    --->>> by default.
178    --->>> Future checkpoints will ommit this flag by default.
179    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
180    o pkg/grdchk: Add gradient check to etan0 perturbations.
181    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
182    o pkg/autodiff: more flexibility in zeroadj.
183      model/src: modifying do_oceanic_phys.F accordingly.
184    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
185    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
186      special setup of gmredi for which the adjoint is stable
187      enough for parameter optimization.
188    o bridging the gap between eddy stress and GM.
189      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
190          along with a change in CPP option (now ALLOW_EDDYPSI).
191      -> when using GM w/ GM_AdvForm:
192          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
193          is applied either in the tracer Eq. or in momentum Eq.
194          depending on data.gmredi (intro. GM_InMomAsStress).
195      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
196      The key modifications are in model/src/taueddy_external_forcing.F
197      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
198    
199    checkpoint59r
200    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
201      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
202      fix option to read coriolis(@ cell-corner) from files with CS-grid.
203    o pkg/mnc: add some attributes to standard 1D-coordinate variables
204    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
205      mass points, when using mnc for output
206      - add runtime parameter (missing_value, missing_value_int) to override
207        default (which is the value of getcon('UNDEF'))
208    o pkg/mnc: prepare mnc for the actual use of missing values with the
209      diagnostics package: small fix in mnc_cw_readwrite.template and more
210      initialisation of never used fields
211      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
212      versions
213    o pkg/thsice/thsice_ini_vars.F added default initial values so that
214      thermodynamics sea ice solver does not blow up when some initial fields
215      are missing.
216    o move from external_forcing_surf.F to ini_forcing.F
217      the p-coord. hack consisting in using pLoad to set phi0surf ;
218      update output of tutorial_global_oce_in_p (affected @ truncation level).
219    o Freshen up a bit hs94.1x64x5, notably:
220      remove rotationPeriod and tRef=5*0. (adjoint only), and add
221      exactConserv=.TRUE.
222    o pkg/generic_advdiff:
223      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
224      applies to files where Temperature & Salinity 2nd Order moments are used.
225    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
226      this uses a dynamically allocated internal state data structure
227      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
228      and requires a fortran 90 compiler
229    
230    checkpoint59q
231    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
232       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
233    o Refresh tutorial_global_oce_biogeo, notably:
234      - change bathymetry (put back seamounts in ACC, use hFacs)
235      - change EOS (POLY3 --> JMD95Z)
236      - use Bryan-Lewis vertical diffusivity
237      - use multidimensional advection
238      - remove old virtual virtual in dic pkg, now done through ptracer pkg
239      - change a couple of parameters in dic pkg
240    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
241    o pkg/obcs: change default to OBCSfixTopo = .true.,
242      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
243      - replace "debugMode" with "debugLevel .GE. debLevB"
244    o implementation of TAF directives for gchem,cfc,dic
245    o remove "exp5" (replaced by tutorial_deep_convection).
246    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
247      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
248      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
249      --> changes results in exp4, seaice_obcs
250    o tutorial_deep_convection :
251      update the set-up and increase resolution and domain size ; start
252      from pseudo initial conditions = output at t=120mn in order to see
253      something happening when running testreport.
254    o pkg/seaice: add os7mp as an advection scheme
255                  add check for advection schemes
256                  add a flag for restoring T and S underneath sea ice
257    o pkg/my82: add netcdf-support and diagnostics
258    o thsice pkg:
259      - Now hsMax limits snow height by turning it into ice following
260        flooding scheme (and now conserving energy)
261      - Slight rewriting of the formula in thsice_calc_thick.F
262      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
263      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
264    
265    checkpoint59p
266    o gchem / dic / cfc :
267      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
268      - add new parameter files: "data.dic" & "data.cfc" ;
269      - various re-arrangement in initialisation & header file ;
270      - fix tutorial_global_oce_biogeo for multi-threaded test.
271    o pkg/dic: test for "pickup_dic" file when restarting ;
272      if no pickup-file, can restart with a re-initialised pH (same as it did
273      before) providing pickupStrictlyMatch is set to False.
274    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
275      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
276    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
277      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
278    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
279     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
280       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
281    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
282       scheme to use for vorticty-term ;
283     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
284       (with default selectVortScheme, return to original discretisation)
285     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
286    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
287    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
288      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
289      also fix diagnostics VISCAHW & VISCA4W.
290    
291    checkpoint59o
292    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
293    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
294      move a few statemens out the main loop into separate loops
295    o pkg/shelfice:
296      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
297        (kg/m^2/s), does not break tests, because in verification/isomip,
298        rhoConstFresh=rhoConst (by accident)
299      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
300      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
301        new file model/src/seawater.F, so that they are available for all pkgs.
302      - convert potential temperature into in-situ temperature. This changes the
303        isomip tests => update tests
304    o add a flag writePickupAtEnd (default=true) to be able to suppress
305      writing a pickup at the last timestep
306    o tools/mpack-1.6 :
307      - disable automake (not working) and autoconf (not needed).
308      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
309        also cleaner with much less compilation warnings.
310    o pkg/profiles:
311      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
312      (for "less than 32 characters name" compiler requirement)
313    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
314      conditions that have a different sampling frequency than S/T/U/V obcs
315    o pkg/diagnostics (stats-diags):
316      - fix global Min/Max in case 1 processor get only empty tiles
317    o genmake2: replace (4 times)
318         make genmake_tc_1.o >> genmake_warnings 2>&1
319      with
320         COMM="$CC $CFLAGS -c genmake_tc_1.c"
321         echo $COMM >> genmake_warnings
322         $COMM >> genmake_warnings 2>&1
323      to make genmake2 always see the value of CC as specified in the optfile.
324    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
325      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
326      - modify verification advect_cs test to test SOM-advection on CS-grid.
327    o pkg/ctrl:
328      - Rewrite of ctrl_map_ini_ecco.F,
329        introducing a generic routine (ctrl_map_ini_gen.F).
330      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
331    
332    checkpoint59n
333    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
334      number in dedicate array "hdiag":
335      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
336        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
337      - many small changes (integer format) for large number of diagnostics
338      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
339        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
340    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
341      usingSphericalGrid, this allows to define the rotated grid coordinates
342      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
343      geographical coordinates according to the inverse of the rotation defined
344      by the Euler angles, so that Coriolis parameter and online-interpolation by
345      exf works with the geographical coordinates on XC/YC/XG/YG.
346      Naturally, this feature does not work with all packages, so some
347      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
348      profiles), because there the coordinates are assumed to be regular
349      spherical grid coordinates.
350    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
351      - introduce isopycnal diffusion coefficient control.
352    o tools/adjoint_options:
353      - additional control vector components.
354    o pkg/mnc: have mnc create marginally meaning full coordinate variables
355      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
356    o pkg/mypackage:
357      - add example of read/write pickup for state-var ;
358      - add entry points to the main code for state-vars diags & write-pickup.
359    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
360      transitions for useExfYearlyFields
361      - add new subroutine that determines the file to read from for
362        use*YearlyFields = .TRUE. and .FALSE.
363      - add a verification experiment to global_with_exf that tests
364        useExfYearlyFields with USE_EXF_INTERPOLATION defined
365    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
366      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
367      subroutines (which could be generated from a template, because they are
368      almost identical), for now they are included in obcs_prescribe_read.F for
369      simplicity
370    o pkg/exf:
371      - add a little more diagnostic to exf_interp_read (in analogy to
372        mds_read_field, can be turned off with debugLevel < debugLevA=1)
373      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
374        ugly but fast by unrolling short inner loops, inserting a unroll=8
375        directive in routine lagran, and splitting a loop and making do while the
376        outermost loop (the latter requires the intoduction of index arrays)
377    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
378    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
379      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
380    o verification/seaice_obcs: updated for restart test and latest options
381    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
382      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
383      for now this is only available for the C-grid code and also within
384      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
385    
386    checkpoint59m
387    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
388      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
389    o gad_som : fix flux output (& diagnostics) to have same units as other  
390      advection scheme fluxes (was previously multiplied by deltaT).  
391    o added verification/seaice_obcs both to test seaice open boundaries
392      and to provide an example matlab scrpt for generating them
393    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
394    o pkg/salt_plume: clean up salt_plume_frac.F to
395      remove redundancy in PlumeMethod 1 and 4
396    o pkg/kpp: added saltplume diagnostics
397    o pkg/obcs and pkg/seaice:
398      - do not set uice and vice to zero when OB*icefile are unspecified
399      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
400      - moved seaice tracer obcs after call to seaice_growth
401    o pkg/salt_plume: added various options for salt plume depth
402      criterion and for vertical distribution of the salt
403    
404    checkpoint59l
405    o pkg/ptracers: new version of ptracers pickup:
406      read meta file and write only fields which are needed to restart.
407      ( same logic as main pickup file ; also using pickupStrictlyMatch )
408    o pkg/seaice:
409      - add timescale for melting due to warm mixed layer as a means of
410        setting SEAICE_availHeatFrac more conveniently
411      - add a CPP-flag/runtime parameter check for flooding algorithm
412      - reformulated availHeat in seaice_growth.F to be independent of AREA
413    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
414      unit changes
415    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
416    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
417      SX vector computer.
418    o pkg/seaice:
419      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
420        seaice forcing fields can now be read only through pkg/exf
421      - removed some unused halos
422    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
423    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
424      or U/VICE from U/VWIND before computing U/VSTRESS
425    
426    checkpoint59k
427    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
428      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
429    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
430      all experiments pass when compile with un-initialised var. checking option.
431    o added pkg/salt_plume
432    o script to test restart (for now, in MITgcm_contrib/jmc_script)
433    o pkg/seaice: new read/write pickup version.
434      read meta file and write only fields which are needed to restart.
435      ( same logic as main pickup file ; also using pickupStrictlyMatch )
436    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
437    o lab_sea.hb87: modify the domain & update output.hb87.txt :
438      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
439      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
440      process. Fixed here by closing the domain at the Northern boundary.
441    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
442    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
443      a set of consecutive levels in/from a 3-D array.
444    o pkg/ptracers:
445      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
446      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
447    
448    checkpoint59j
449    o in pkgs: dic, obcs, offline, rbcs:
450      standard way to compute coeff. for time interpolation between 2 time reccords
451      which retains full precision (& make results less dependent on compiler).
452      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
453    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
454      packages instead of reading ice cover and wind speed separately
455    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
456     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
457      to allow to compile customized code before the update)
458    o cleaning-up:
459      - fix CPP instruction syntax in pkg/obcs
460      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
461        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
462      - fix some threads issue in IO parts.
463    o pkg/dic:
464      - add tons of "_d 0" (--> much better testreports !)
465       and then update outputs of tutorial_global_oce_biogeo
466    o pkg/mom_fluxform:
467      add a special version of momentum advection intended to conserve momentum
468      next to a bathymetry step or a coastline edge. (default = off = #undef)
469    o new read/write pickup version:
470      - for now, only implemented for main (mdsio) pickup file.
471      - write out only what is needed to restart; merge pickup_nh , pickup_ph
472        and main pickup together.
473      - read meta file; read only what is needed to restart; stop if a field
474        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
475        if it make sense (even if the restart is not perfect).
476      - if no meta file, assume that pickup to read corresponds exactly to
477        a pickup that would currently be written.
478      - read pickup written in the old format (until checkpoint59i) if it
479        recognizes an old meta file (no field-list).
480      - add a meta file in exp. which starts from a pickup: 2 cases:
481        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
482         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
483        b) a meta file describing the content of the associated pickup file
484         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
485    o pkg/mdsio & pkg/rw:
486      - new routine to read a meta file ; new set of routine to read
487        Multiple-fields file (with meta file).
488    o added open boundary conditions capability for seaice
489        HSNOW, HSALT, UICE, and VICE
490    
491    checkpoint59i
492    o adjoint:
493      * fix multiDimAdvection adjoint
494        (partial recomputation problem by TAF for fVerT(:,:,kDown)
495        and comlev1 size definition (maxpass vs. max. number of tracers)
496      * verification/global_ocean.90x45x15 adjoint now tests
497        NLFS and multiDimAdvection using DST3 (=30)
498      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
499    o pkg/kpp: add "_d 0" to real constant (if missing);
500      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
501      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
502    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
503      for internal parameters related to restart process (formerly from PARAMS.h)
504      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
505    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
506      as argument. (only atm2d & obcs write_pickup have not yet been updated)
507    o pkg/monitor:
508      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
509      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
510      - account for deep Atmosphere factor and density factor (anelastic)
511    o added open boundary conditions capability for seaice HEFF and AREA
512    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
513      thermodynamics
514      - requires a little reorganization, which affects the testreport results
515        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
516        so that now the conservative form is tested
517      - add a few comments
518    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
519    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
520    o add new diagnostics to seaice: advective, diffusive fluxes (only for
521      multidim-advection, for scheme 2 they are not filled) and transports,
522      thermodynamic growth rates
523    o change units of EmPmR (inside the code, + within coupling interface)
524      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
525      Affects results @ truncation level (cg2d match) and update output of
526       experiments: lab_sea(6), global_ocean.90x40x15(10),
527      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
528      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
529      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
530      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
531    
532    checkpoint59h
533    o pkg/exf:
534      - improve vectorization by moving if-statement out of loops in
535        exf_mapfields, exf_radiation
536      - exf_bulkformulae.F: introduce 2D fields and vectorize code
537    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
538    o testreport:
539      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
540        monitor & update offline_exf_seaice exp. output.
541      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
542    o pkg/seaice:
543      - bug fix in the evp solver: boundary conditions were affected be
544        masking of zMax/zMin (changes results)
545      - minor bug fix in boundary conditions in seaice_calc_strainrates
546        (changes results for no_slip)
547      - seaice_lsr.F: make interpolation of eta dependent on boundaries
548      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
549      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
550        stress formulation and no-slip boundary conditions
551    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
552      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
553    o pkg/seaice: a first HSALT time stepping equation has been checked in
554    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
555      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
556      without requiring DO-IF statements
557    o pkg/thsice:
558      use continuous power-law function for partition of energy between lateral
559      melting/freezing and thinning/thickening ; old code using step function
560      still available with #undef THSICE_FRACEN_POWERLAW
561      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
562    o testreport: change AD testing : check against results/output_adm.txt
563      using same scripts as for forward test.
564    
565    checkpoint59g
566    o adjoint testing: in preparation for changing testreport:
567      - output format: cost and grad written on separated lines
568      - ad output results in directory "results" (instead of "results_ad")
569    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
570    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
571    o pkg/ecco: allow user defined cost function contributions
572    o testreport:
573      Allow to choose (per experiment) the list of tested output variables
574       and the main variable (used to issue a pass/FAIL ) ;
575      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
576      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
577      Also modify printing of summary:
578       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
579       b) echo the list of tested variables in the individual summary.txt of
580          each experiment.
581    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
582      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
583      (but still depend on the tile decompostion of the domain).
584    o pkg/seaice: change a discretization detail to make the B-grid code
585      "more symmetric". This change is likely to remove all "ridges/leads" that
586      where quasi-aligned with the grid in B-grid solutions. It may also be
587      the solution to the stress coupling issues with the B-grid.
588    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
589      remove .cvsignore from input dir. (since testreport no longer run here).
590    o pkg/thsice:
591     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
592     - fix reshaping of sea-ice just after advection:
593       melt all the ice only if ice-volume is too small.
594     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
595       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
596     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
597    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
598      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
599    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
600      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
601      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
602      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
603      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
604      -> update output.txt
605    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
606     this affects truncation error: -> update output.txt of exp:
607      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
608      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
609    
610    checkpoint59f
611    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
612    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
613      a bounded range (in forward mode)
614    o pkg/ecco, ctrl, autodiff and mom_common:
615     internal parameter controls, completements of implementations
616    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
617    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
618      (not seem any difference in testing results).
619    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
620       at face corners.
621    o pkg/generic_advdiff:
622     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
623      loop range indices for computing vertical advection tendency
624      and do the calculation in the interior only (no overlap) ;
625      for now, only implemented for SOM advection (to save CPU time).
626     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
627    o exch2 adjoint
628      First set of changes:
629      - add exch2 hand-written adjoint templates
630      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
631        This will require cleanup in pkg/autodiff/*.F
632        (changed routines currently kept separate in verif. code/)
633      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
634        that used to hide exch2 or cubed-sphere specific code
635        (commented via 'cph-exch2')
636    o pkg/seaice
637      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
638    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
639       output of global_ocean.cs32x15.thsice .
640    
641    checkpoint59e
642    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
643      for B-grid vector (not yet tested) and C-grid vector (<- only used
644      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
645    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
646      (#ifdef ALLOW_SALT_PLUME)
647    o gather_2d/scatter_2d: removed halo regions
648    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
649      scheme and the corresponding test case (under front_relax dir). For now,
650      only available with Skew-flux form and not yet tested in realistic set-up.
651      adjoint: store directives updated, but gradient checks deteriorated,
652      so maybe GM/Redi adjoint is now broken.
653    o seaice adjoint
654      * add AREA, HEFF, HSNOW as control variable
655        (should not change lab_sea results)
656      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
657    o pkg/seaice:
658      * added computation of saltFlux in seaice_growth;
659        For time being, sea ice salinity is assumed constant
660        contribution of snow flooding to freshening of sea ice is neglected.
661        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
662        defaults to 0.0 in order to maintain backward compatibility.
663        Typical values for SEAICE_salinity are 4 to 10 g/kg.
664      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
665      * added SEAICE_availHeatFrac, which specifies fraction of surface level
666        heat content used to melt or grow ice
667      * commented out cap of HICE: it helps keep ice thinner
668      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
669      * applied OBCS T/S mask to HEFFM sea ice mask
670    
671    checkpoint59d
672    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
673     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
674     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
675    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
676     and change default value of parameter "GM_Small_Number";
677     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
678       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
679       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
680    o pkg/ecco: cost function when applying pkg/smooth to controls
681    o pkg/ctrl: add forcingPrecond run time parameter
682    o pkg/seaice:
683     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
684     - fix bug in metric terms of u-equation in LSR solver (implicit part),
685       changes verification/lab_sea
686     - rearrange implicit part of u-equation in LSR solver to make it easier to
687       read, understand, and debug. This causes changes at the truncation level.
688     - fix (serious) bug in the boundary conditions (sign error in the implicit
689       part) of the LSR solver. Changes all LSR results.
690     - fixed problem with HSNOW initialization to avoid thick snow when AREA
691       is initilized with small values - does not change lab_sea results.
692     - added HsnowFile initialization capability
693    o pkg/smooth: addition to model/src and pkg/ctrl so allow
694     initialization of pkg/smooth and application to control vector
695  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
696  o dependencies: pkg/profiles requires pkg/cal  o dependencies: pkg/profiles requires pkg/cal
697  o pkg/profiles:  o pkg/profiles:
# Line 15  o pkg/profiles: Line 703  o pkg/profiles:
703       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
704   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
705     cleaner stops when error, and more tests of the netcdf input files consistency.     cleaner stops when error, and more tests of the netcdf input files consistency.
   
706  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
707  o pkg/seaice:  o pkg/seaice:
708   - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this   - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
# Line 149  o in FFIELDS.h: Line 836  o in FFIELDS.h:
836       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
837  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
838  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
839      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
840        are no longer updating the vertical diffusivity array
841        (passed as argument) but are (re-) setting those arrays.
842  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
843    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
844      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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