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revision 1.836 by gforget, Fri Jun 15 20:49:59 2007 UTC revision 1.1043 by jmc, Fri Nov 21 16:47:29 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint61f
8    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
9      update results of global_ocean.cs32x15.icedyn test.
10    o move getcon.F from model/src to pkg/fizhi.
11    o pkg/exf: add parameter for extrapolation of temp up to the surface
12       and option to prevent negative evap (in bulk_largeyeager04 only).
13    o Prather Advection scheme: fix tracer conservation for divergent flow
14      (e.g., when using NonLin Free-Surface).
15    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
16    o gmredi (Visbeck-variable-K):
17     - add more parameters to Visbeck-variable-K.
18     - use a 5 points average for dSigmaR in Visbeck-K calculation
19       (more "homogenous": same stencil and same weights as in dSigmaH)
20     - update output of ideal_2D_oce experiment.
21    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
22      (#undef REAL4_IS_SLOW)
23     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
24       coordinate variable
25     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
26       (surface forcing fields), removes some of the functionality
27     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
28     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
29       probably not all: copy _RS surface flux fields to RL field before
30       calling DIAGNOSTICS_FILL
31     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
32       real*4 (CALL EXCH_*_RS) versions.
33     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
34       (generate new output).
35    
36    checkpoint61e
37    o gmredi (Visbeck-variable-K):
38      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
39      - change computation of Visbeck-K where Slope > Smax :        
40        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
41        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
42    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
43      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
44    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
45    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
46      does not become too large (to avoid precision problems in implicit-diffusion
47      solver); update ideal_2D_oce output.
48    o pkg ggl90:
49      - in ggl90_cal.F: compute only one set of visc/diff, used to
50        step forward TKE/T/S/momentum
51      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
52        have Prandlt =1)
53    o gmredi (fm07):
54      - add lower limit on Transition layer thickness + lower limit on 1/lambda
55      - allow to set few more params from data.gmredi
56    o pkg ggl90:
57          - add missing sqrt(2) factor in computation of mixing length
58            scale in ggl90_calc.F
59            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
60    
61    checkpoint61d
62    o adjoint modifs
63      - adapt to new field rhoInSitu
64      - allow to revert from StoreDynVars2D, StoreDynVars3D
65        to individual fields
66        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
67    o store 3-D (in-situ) density in commom block (DYNVARS.h)
68     - save 1 rho computation.
69     - no longer modify T & S inland when using down_slope pkg.
70    o gad_som : allow to switch to SOM advection for T & S without corresponding
71      pickup files (using new S/R: MDS_CHECK4FILE).
72    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
73      (for useSingleCpuIO to work in multi-threaded)
74    o pkg/shelfice:
75     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
76       with SHELFICEtopoFile in data.shelfice
77     - move code for reading ice shelf topography and modifying hFacC into separate
78       subroutines of the shelfice package
79     - separate initialisation of "fixed" and "variable" variables
80     - kTopC is not (yet) replaced by kSurfC, although this is possible
81    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
82    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
83      and rename:
84      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
85      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
86    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
87    
88    checkpoint61c
89    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
90      to add mass source/sink of fluid in the interior (3-D generalisation
91      of oceanic real-fresh water flux).
92    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
93    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
94    o new pkg: down_slope
95      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
96      - presently, modify T & S inland (dwnslp_calc_rho.F).
97        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
98      - implementation for ocean in P-coords not tested.
99      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
100    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
101      (to facilitate conversion of oceanic pkg to p-coordinate).
102    o change FIND_RHO to FIND_RHO_2D :
103      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
104    o new pkg: cheapaml
105    
106    checkpoint61b
107    o exch2:
108      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
109      - no longer depend on the order sequence (N,S,E,W).
110      - 3rd exchange no longer needed (tested with 24 tiles).
111      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
112      - exch_UV_A-grid readily available (but not yet tested).
113      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
114      (both are no longer needed) in exch_uv: no effect in forward run; but
115       get truncation error differences with adjoint exch.
116    o exch2:
117     - change index-bounds storage (moved from target to local tile,
118       more intuitive this way) ; rename/remove some variables.
119     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
120    
121    checkpoint61a
122    o exch2/matlab-topology-generator:
123      fix bug in index bounds for N-S internal exchange (hard to tell if this
124      had any effect on the solution).
125    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
126      is exceeded
127    o testreport: modify syntax of awk, so that it works also with
128      awk, and not only with nawk and gawk
129    
130    checkpoint61
131    o autodiff
132      Change default for TAF usage by removing argument '-nonew_arg'
133      This changes TAF subroutine argument list (ordering of active var.)
134      Omission of this flag leads to incompatibility w.r.t. TAMC
135      To restore TAMC-compatibility, need following modifs:
136      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
137      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
138      Tested TAF version is 1.9.22
139      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
140    
141    checkpoint60
142    --->>> This is the last checkpoint for which generating the adjoint
143    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
144    --->>> by default.
145    --->>> Future checkpoints will ommit this flag by default.
146    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
147    o pkg/grdchk: Add gradient check to etan0 perturbations.
148    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
149    o pkg/autodiff: more flexibility in zeroadj.
150      model/src: modifying do_oceanic_phys.F accordingly.
151    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
152    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
153      special setup of gmredi for which the adjoint is stable
154      enough for parameter optimization.
155    o bridging the gap between eddy stress and GM.
156      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
157          along with a change in CPP option (now ALLOW_EDDYPSI).
158      -> when using GM w/ GM_AdvForm:
159          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
160          is applied either in the tracer Eq. or in momentum Eq.
161          depending on data.gmredi (intro. GM_InMomAsStress).
162      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
163      The key modifications are in model/src/taueddy_external_forcing.F
164      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
165    
166    checkpoint59r
167    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
168      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
169      fix option to read coriolis(@ cell-corner) from files with CS-grid.
170    o pkg/mnc: add some attributes to standard 1D-coordinate variables
171    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
172      mass points, when using mnc for output
173      - add runtime parameter (missing_value, missing_value_int) to override
174        default (which is the value of getcon('UNDEF'))
175    o pkg/mnc: prepare mnc for the actual use of missing values with the
176      diagnostics package: small fix in mnc_cw_readwrite.template and more
177      initialisation of never used fields
178      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
179      versions
180    o pkg/thsice/thsice_ini_vars.F added default initial values so that
181      thermodynamics sea ice solver does not blow up when some initial fields
182      are missing.
183    o move from external_forcing_surf.F to ini_forcing.F
184      the p-coord. hack consisting in using pLoad to set phi0surf ;
185      update output of tutorial_global_oce_in_p (affected @ truncation level).
186    o Freshen up a bit hs94.1x64x5, notably:
187      remove rotationPeriod and tRef=5*0. (adjoint only), and add
188      exactConserv=.TRUE.
189    o pkg/generic_advdiff:
190      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
191      applies to files where Temperature & Salinity 2nd Order moments are used.
192    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
193      this uses a dynamically allocated internal state data structure
194      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
195      and requires a fortran 90 compiler
196    
197    checkpoint59q
198    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
199       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
200    o Refresh tutorial_global_oce_biogeo, notably:
201      - change bathymetry (put back seamounts in ACC, use hFacs)
202      - change EOS (POLY3 --> JMD95Z)
203      - use Bryan-Lewis vertical diffusivity
204      - use multidimensional advection
205      - remove old virtual virtual in dic pkg, now done through ptracer pkg
206      - change a couple of parameters in dic pkg
207    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
208    o pkg/obcs: change default to OBCSfixTopo = .true.,
209      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
210      - replace "debugMode" with "debugLevel .GE. debLevB"
211    o implementation of TAF directives for gchem,cfc,dic
212    o remove "exp5" (replaced by tutorial_deep_convection).
213    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
214      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
215      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
216      --> changes results in exp4, seaice_obcs
217    o tutorial_deep_convection :
218      update the set-up and increase resolution and domain size ; start
219      from pseudo initial conditions = output at t=120mn in order to see
220      something happening when running testreport.
221    o pkg/seaice: add os7mp as an advection scheme
222                  add check for advection schemes
223                  add a flag for restoring T and S underneath sea ice
224    o pkg/my82: add netcdf-support and diagnostics
225    o thsice pkg:
226      - Now hsMax limits snow height by turning it into ice following
227        flooding scheme (and now conserving energy)
228      - Slight rewriting of the formula in thsice_calc_thick.F
229      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
230      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
231    
232    checkpoint59p
233    o gchem / dic / cfc :
234      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
235      - add new parameter files: "data.dic" & "data.cfc" ;
236      - various re-arrangement in initialisation & header file ;
237      - fix tutorial_global_oce_biogeo for multi-threaded test.
238    o pkg/dic: test for "pickup_dic" file when restarting ;
239      if no pickup-file, can restart with a re-initialised pH (same as it did
240      before) providing pickupStrictlyMatch is set to False.
241    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
242      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
243    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
244      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
245    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
246     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
247       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
248    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
249       scheme to use for vorticty-term ;
250     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
251       (with default selectVortScheme, return to original discretisation)
252     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
253    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
254    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
255      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
256      also fix diagnostics VISCAHW & VISCA4W.
257    
258    checkpoint59o
259    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
260    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
261      move a few statemens out the main loop into separate loops
262    o pkg/shelfice:
263      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
264        (kg/m^2/s), does not break tests, because in verification/isomip,
265        rhoConstFresh=rhoConst (by accident)
266      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
267      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
268        new file model/src/seawater.F, so that they are available for all pkgs.
269      - convert potential temperature into in-situ temperature. This changes the
270        isomip tests => update tests
271    o add a flag writePickupAtEnd (default=true) to be able to suppress
272      writing a pickup at the last timestep
273    o tools/mpack-1.6 :
274      - disable automake (not working) and autoconf (not needed).
275      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
276        also cleaner with much less compilation warnings.
277    o pkg/profiles:
278      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
279      (for "less than 32 characters name" compiler requirement)
280    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
281      conditions that have a different sampling frequency than S/T/U/V obcs
282    o pkg/diagnostics (stats-diags):
283      - fix global Min/Max in case 1 processor get only empty tiles
284    o genmake2: replace (4 times)
285         make genmake_tc_1.o >> genmake_warnings 2>&1
286      with
287         COMM="$CC $CFLAGS -c genmake_tc_1.c"
288         echo $COMM >> genmake_warnings
289         $COMM >> genmake_warnings 2>&1
290      to make genmake2 always see the value of CC as specified in the optfile.
291    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
292      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
293      - modify verification advect_cs test to test SOM-advection on CS-grid.
294    o pkg/ctrl:
295      - Rewrite of ctrl_map_ini_ecco.F,
296        introducing a generic routine (ctrl_map_ini_gen.F).
297      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
298    
299    checkpoint59n
300    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
301      number in dedicate array "hdiag":
302      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
303        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
304      - many small changes (integer format) for large number of diagnostics
305      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
306        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
307    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
308      usingSphericalGrid, this allows to define the rotated grid coordinates
309      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
310      geographical coordinates according to the inverse of the rotation defined
311      by the Euler angles, so that Coriolis parameter and online-interpolation by
312      exf works with the geographical coordinates on XC/YC/XG/YG.
313      Naturally, this feature does not work with all packages, so some
314      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
315      profiles), because there the coordinates are assumed to be regular
316      spherical grid coordinates.
317    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
318      - introduce isopycnal diffusion coefficient control.
319    o tools/adjoint_options:
320      - additional control vector components.
321    o pkg/mnc: have mnc create marginally meaning full coordinate variables
322      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
323    o pkg/mypackage:
324      - add example of read/write pickup for state-var ;
325      - add entry points to the main code for state-vars diags & write-pickup.
326    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
327      transitions for useExfYearlyFields
328      - add new subroutine that determines the file to read from for
329        use*YearlyFields = .TRUE. and .FALSE.
330      - add a verification experiment to global_with_exf that tests
331        useExfYearlyFields with USE_EXF_INTERPOLATION defined
332    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
333      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
334      subroutines (which could be generated from a template, because they are
335      almost identical), for now they are included in obcs_prescribe_read.F for
336      simplicity
337    o pkg/exf:
338      - add a little more diagnostic to exf_interp_read (in analogy to
339        mds_read_field, can be turned off with debugLevel < debugLevA=1)
340      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
341        ugly but fast by unrolling short inner loops, inserting a unroll=8
342        directive in routine lagran, and splitting a loop and making do while the
343        outermost loop (the latter requires the intoduction of index arrays)
344    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
345    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
346      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
347    o verification/seaice_obcs: updated for restart test and latest options
348    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
349      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
350      for now this is only available for the C-grid code and also within
351      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
352    
353    checkpoint59m
354    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
355      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
356    o gad_som : fix flux output (& diagnostics) to have same units as other  
357      advection scheme fluxes (was previously multiplied by deltaT).  
358    o added verification/seaice_obcs both to test seaice open boundaries
359      and to provide an example matlab scrpt for generating them
360    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
361    o pkg/salt_plume: clean up salt_plume_frac.F to
362      remove redundancy in PlumeMethod 1 and 4
363    o pkg/kpp: added saltplume diagnostics
364    o pkg/obcs and pkg/seaice:
365      - do not set uice and vice to zero when OB*icefile are unspecified
366      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
367      - moved seaice tracer obcs after call to seaice_growth
368    o pkg/salt_plume: added various options for salt plume depth
369      criterion and for vertical distribution of the salt
370    
371    checkpoint59l
372    o pkg/ptracers: new version of ptracers pickup:
373      read meta file and write only fields which are needed to restart.
374      ( same logic as main pickup file ; also using pickupStrictlyMatch )
375    o pkg/seaice:
376      - add timescale for melting due to warm mixed layer as a means of
377        setting SEAICE_availHeatFrac more conveniently
378      - add a CPP-flag/runtime parameter check for flooding algorithm
379      - reformulated availHeat in seaice_growth.F to be independent of AREA
380    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
381      unit changes
382    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
383    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
384      SX vector computer.
385    o pkg/seaice:
386      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
387        seaice forcing fields can now be read only through pkg/exf
388      - removed some unused halos
389    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
390    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
391      or U/VICE from U/VWIND before computing U/VSTRESS
392    
393    checkpoint59k
394    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
395      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
396    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
397      all experiments pass when compile with un-initialised var. checking option.
398    o added pkg/salt_plume
399    o script to test restart (for now, in MITgcm_contrib/jmc_script)
400    o pkg/seaice: new read/write pickup version.
401      read meta file and write only fields which are needed to restart.
402      ( same logic as main pickup file ; also using pickupStrictlyMatch )
403    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
404    o lab_sea.hb87: modify the domain & update output.hb87.txt :
405      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
406      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
407      process. Fixed here by closing the domain at the Northern boundary.
408    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
409    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
410      a set of consecutive levels in/from a 3-D array.
411    o pkg/ptracers:
412      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
413      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
414    
415    checkpoint59j
416    o in pkgs: dic, obcs, offline, rbcs:
417      standard way to compute coeff. for time interpolation between 2 time reccords
418      which retains full precision (& make results less dependent on compiler).
419      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
420    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
421      packages instead of reading ice cover and wind speed separately
422    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
423     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
424      to allow to compile customized code before the update)
425    o cleaning-up:
426      - fix CPP instruction syntax in pkg/obcs
427      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
428        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
429      - fix some threads issue in IO parts.
430    o pkg/dic:
431      - add tons of "_d 0" (--> much better testreports !)
432       and then update outputs of tutorial_global_oce_biogeo
433    o pkg/mom_fluxform:
434      add a special version of momentum advection intended to conserve momentum
435      next to a bathymetry step or a coastline edge. (default = off = #undef)
436    o new read/write pickup version:
437      - for now, only implemented for main (mdsio) pickup file.
438      - write out only what is needed to restart; merge pickup_nh , pickup_ph
439        and main pickup together.
440      - read meta file; read only what is needed to restart; stop if a field
441        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
442        if it make sense (even if the restart is not perfect).
443      - if no meta file, assume that pickup to read corresponds exactly to
444        a pickup that would currently be written.
445      - read pickup written in the old format (until checkpoint59i) if it
446        recognizes an old meta file (no field-list).
447      - add a meta file in exp. which starts from a pickup: 2 cases:
448        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
449         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
450        b) a meta file describing the content of the associated pickup file
451         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
452    o pkg/mdsio & pkg/rw:
453      - new routine to read a meta file ; new set of routine to read
454        Multiple-fields file (with meta file).
455    o added open boundary conditions capability for seaice
456        HSNOW, HSALT, UICE, and VICE
457    
458    checkpoint59i
459    o adjoint:
460      * fix multiDimAdvection adjoint
461        (partial recomputation problem by TAF for fVerT(:,:,kDown)
462        and comlev1 size definition (maxpass vs. max. number of tracers)
463      * verification/global_ocean.90x45x15 adjoint now tests
464        NLFS and multiDimAdvection using DST3 (=30)
465      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
466    o pkg/kpp: add "_d 0" to real constant (if missing);
467      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
468      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
469    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
470      for internal parameters related to restart process (formerly from PARAMS.h)
471      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
472    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
473      as argument. (only atm2d & obcs write_pickup have not yet been updated)
474    o pkg/monitor:
475      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
476      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
477      - account for deep Atmosphere factor and density factor (anelastic)
478    o added open boundary conditions capability for seaice HEFF and AREA
479    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
480      thermodynamics
481      - requires a little reorganization, which affects the testreport results
482        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
483        so that now the conservative form is tested
484      - add a few comments
485    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
486    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
487    o add new diagnostics to seaice: advective, diffusive fluxes (only for
488      multidim-advection, for scheme 2 they are not filled) and transports,
489      thermodynamic growth rates
490    o change units of EmPmR (inside the code, + within coupling interface)
491      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
492      Affects results @ truncation level (cg2d match) and update output of
493       experiments: lab_sea(6), global_ocean.90x40x15(10),
494      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
495      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
496      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
497      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
498    
499    checkpoint59h
500    o pkg/exf:
501      - improve vectorization by moving if-statement out of loops in
502        exf_mapfields, exf_radiation
503      - exf_bulkformulae.F: introduce 2D fields and vectorize code
504    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
505    o testreport:
506      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
507        monitor & update offline_exf_seaice exp. output.
508      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
509    o pkg/seaice:
510      - bug fix in the evp solver: boundary conditions were affected be
511        masking of zMax/zMin (changes results)
512      - minor bug fix in boundary conditions in seaice_calc_strainrates
513        (changes results for no_slip)
514      - seaice_lsr.F: make interpolation of eta dependent on boundaries
515      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
516      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
517        stress formulation and no-slip boundary conditions
518    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
519      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
520    o pkg/seaice: a first HSALT time stepping equation has been checked in
521    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
522      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
523      without requiring DO-IF statements
524    o pkg/thsice:
525      use continuous power-law function for partition of energy between lateral
526      melting/freezing and thinning/thickening ; old code using step function
527      still available with #undef THSICE_FRACEN_POWERLAW
528      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
529    o testreport: change AD testing : check against results/output_adm.txt
530      using same scripts as for forward test.
531    
532    checkpoint59g
533    o adjoint testing: in preparation for changing testreport:
534      - output format: cost and grad written on separated lines
535      - ad output results in directory "results" (instead of "results_ad")
536    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
537    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
538    o pkg/ecco: allow user defined cost function contributions
539    o testreport:
540      Allow to choose (per experiment) the list of tested output variables
541       and the main variable (used to issue a pass/FAIL ) ;
542      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
543      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
544      Also modify printing of summary:
545       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
546       b) echo the list of tested variables in the individual summary.txt of
547          each experiment.
548    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
549      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
550      (but still depend on the tile decompostion of the domain).
551    o pkg/seaice: change a discretization detail to make the B-grid code
552      "more symmetric". This change is likely to remove all "ridges/leads" that
553      where quasi-aligned with the grid in B-grid solutions. It may also be
554      the solution to the stress coupling issues with the B-grid.
555    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
556      remove .cvsignore from input dir. (since testreport no longer run here).
557    o pkg/thsice:
558     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
559     - fix reshaping of sea-ice just after advection:
560       melt all the ice only if ice-volume is too small.
561     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
562       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
563     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
564    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
565      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
566    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
567      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
568      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
569      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
570      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
571      -> update output.txt
572    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
573     this affects truncation error: -> update output.txt of exp:
574      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
575      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
576    
577    checkpoint59f
578    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
579    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
580      a bounded range (in forward mode)
581    o pkg/ecco, ctrl, autodiff and mom_common:
582     internal parameter controls, completements of implementations
583    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
584    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
585      (not seem any difference in testing results).
586    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
587       at face corners.
588    o pkg/generic_advdiff:
589     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
590      loop range indices for computing vertical advection tendency
591      and do the calculation in the interior only (no overlap) ;
592      for now, only implemented for SOM advection (to save CPU time).
593     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
594    o exch2 adjoint
595      First set of changes:
596      - add exch2 hand-written adjoint templates
597      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
598        This will require cleanup in pkg/autodiff/*.F
599        (changed routines currently kept separate in verif. code/)
600      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
601        that used to hide exch2 or cubed-sphere specific code
602        (commented via 'cph-exch2')
603    o pkg/seaice
604      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
605    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
606       output of global_ocean.cs32x15.thsice .
607    
608    checkpoint59e
609    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
610      for B-grid vector (not yet tested) and C-grid vector (<- only used
611      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
612    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
613      (#ifdef ALLOW_SALT_PLUME)
614    o gather_2d/scatter_2d: removed halo regions
615    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
616      scheme and the corresponding test case (under front_relax dir). For now,
617      only available with Skew-flux form and not yet tested in realistic set-up.
618      adjoint: store directives updated, but gradient checks deteriorated,
619      so maybe GM/Redi adjoint is now broken.
620    o seaice adjoint
621      * add AREA, HEFF, HSNOW as control variable
622        (should not change lab_sea results)
623      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
624    o pkg/seaice:
625      * added computation of saltFlux in seaice_growth;
626        For time being, sea ice salinity is assumed constant
627        contribution of snow flooding to freshening of sea ice is neglected.
628        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
629        defaults to 0.0 in order to maintain backward compatibility.
630        Typical values for SEAICE_salinity are 4 to 10 g/kg.
631      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
632      * added SEAICE_availHeatFrac, which specifies fraction of surface level
633        heat content used to melt or grow ice
634      * commented out cap of HICE: it helps keep ice thinner
635      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
636      * applied OBCS T/S mask to HEFFM sea ice mask
637    
638    checkpoint59d
639    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
640     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
641     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
642    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
643     and change default value of parameter "GM_Small_Number";
644     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
645       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
646       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
647    o pkg/ecco: cost function when applying pkg/smooth to controls
648    o pkg/ctrl: add forcingPrecond run time parameter
649    o pkg/seaice:
650     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
651     - fix bug in metric terms of u-equation in LSR solver (implicit part),
652       changes verification/lab_sea
653     - rearrange implicit part of u-equation in LSR solver to make it easier to
654       read, understand, and debug. This causes changes at the truncation level.
655     - fix (serious) bug in the boundary conditions (sign error in the implicit
656       part) of the LSR solver. Changes all LSR results.
657     - fixed problem with HSNOW initialization to avoid thick snow when AREA
658       is initilized with small values - does not change lab_sea results.
659     - added HsnowFile initialization capability
660    o pkg/smooth: addition to model/src and pkg/ctrl so allow
661     initialization of pkg/smooth and application to control vector
662    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
663  o dependencies: pkg/profiles requires pkg/cal  o dependencies: pkg/profiles requires pkg/cal
664  o pkg/profiles:  o pkg/profiles:
665   - added option ALLOW_PROFILES_GENERICGRID   - added option ALLOW_PROFILES_GENERICGRID
# Line 14  o pkg/profiles: Line 670  o pkg/profiles:
670       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
671   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
672     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.
   
673  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
674  o pkg/seaice:  o pkg/seaice:
675   - 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 148  o in FFIELDS.h: Line 803  o in FFIELDS.h:
803       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
804  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
805  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
806      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
807        are no longer updating the vertical diffusivity array
808        (passed as argument) but are (re-) setting those arrays.
809  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
810    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
811      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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