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revision 1.762 by jmc, Sat Dec 30 22:15:37 2006 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
696    o dependencies: pkg/profiles requires pkg/cal
697    o pkg/profiles:
698     - added option ALLOW_PROFILES_GENERICGRID
699         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
700         that interpolation information (grid points and coefficients) is provided
701         within the netcdf input files.
702         -> sample matlab scripts can be found in MITgcm_contrib/gael
703         that allow you to prepare netcdf input files.
704     - also modified: cleaner include statements, cleaner error print statements,
705       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.
707    o pkg/seaice:
708     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
709       requires a new routine: seaice_diagnostics_fill.F
710     - make sure that seaice does not move if not forced (pressure replacement
711       method, Hibler and Ip, 1995), changes results
712     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
713     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
714       It is turned off by default (=-1.), because it changes the results.
715     - make it possible to read AREA from a file, too.
716    
717    checkpoint59c
718    o add S/R and diagnostics for oceanic mixed-layer depth
719    o move GMRedi call after all vertical mixing schemes (including KPP)
720    o pkg/thsice:
721     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
722      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
723    o pkg/obcs:
724     - bug fix for balance code
725    o pkg/seaice:
726      - allow values of SEAICE_elasticParm > 1
727      - add new parameter SEAICE_evpTauRelax as an alternative
728        to SEAICE_elasticParm
729      - make lsr boundary conditions free slip (by default), changes result
730      - add code for no slip boundary conditions for lsr
731      - set minimum of zeta to zero (and not 4e8) (changes results)
732      - add a cap on AREA after advecting AREA if seaice_growth is not called
733    o change calculation of Visbeck K:
734      - no longer depend on tapering scheme; instead, compute slope (limited
735        by GM_maxSlope). this is equivalent to what was comuted before with
736        clipping or linear tappering.
737      - fix vertical averaging (wrong by 1/2 level)
738      - leave the old version (but will not be maintained) within
739        #ifdef OLD_VISBECK_CALC / #endif
740      - update output of exp. ideal_2D_oce
741    o change error catch in calc_r_star to improve vectorization
742    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
743      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
744    o adjoint:
745      Re-organized adjoint checkpointing according to Matt Mazloff
746      (but with modifs/completions/cleanups)
747      Storing is now bundled into large arrays to optimized I/O
748      (and second step in cleanup of the_main_loop)
749    
750    checkpoint59b
751    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
752      - export/import (between ocean & coupler) fields needed for ocean DIC.
753    o pkg/seaice:
754      - get rid of three more exchanges seaice_calc_viscosities (required
755        different loop boundaries in seaice_lsr and seaice_ocean_stress)
756      - bug fix in seaice_ocean_stress (update of lab_sea required)
757      - reduce loop boundaries to necessary minimum also in seaice_evp
758      - go back to the old way of computing deltaC/Z as the adjoint likes that
759        better
760    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
761      passive tracer to an Age Tracer) + update output.txt
762    o pkg/exf:
763      - implement A-grid / C-grid selection for wind-stress input files.
764      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
765      for now, in exf_bulk_largeyeager04.F only :
766      - change implementation for case where windspeed + 2. components wind-stress
767        are read-in. AND use rhoConstFresh to convert evap.
768    o pkg/seaice:
769      - use correct EXCH_UV for wind-forcing (on A-grid).
770      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
771        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
772    o pkg/exf:
773      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
774      EXF_INTERPOLATION:
775      - merge global_with_exf/code version of exf_interp_read.F
776        to the main code ;
777      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
778        reading the file ; Important: This options needs to be defined to recover
779        previous code.
780        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
781      - no longer loose real*8 precision along the way when using exf_iprec=64.
782    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
783      - change discretisation of evp-solver in order to avoid another exchange
784        (changes lab_sea) and clean up a little
785      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
786        help the adjoint (this also changes the results slightly)
787      - add a few "_d 0" where they had been missing in seaice_evp.F
788      - cleaning up: remove unused seaice_calc_rhs.F
789    o pkg/exf: some cleaning-up:
790      - change various "constants" into runtime parameters
791      - cleaned-up Large&Yeager04 routine which should eventually
792        replace exf_bulkformulae.F (changed names of S/R and CPP)
793        and merged various ALLOW_ATM_WIND options
794     only used with thsice pkg (in thsice_get_exf.F):
795      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
796        which are used when useStabilityFct_overIce=TRUE (= the default)
797      - change default values of ice & snow emissivity and scale downward LW
798        by ice & snow emissivity.
799    o pkg/thsice:
800     fix few little problems, in thsice_calc_thickn.F:
801      - growth vertically (and not laterally) if iceFrac == iceMaskMax
802      - melt only laterally if hIce < hThinIce (as the comments say)
803      and in thsice_extend.F:
804      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
805      - start to form ice as soon as the minimum ice-volume is reachable.
806     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
807      and cpl_aim+ocn
808    o pkg/kpp
809     - move computation of surface related input fields to KPP into a new
810       subroutine kpp_forcing_surf.F
811     - remove wrong (within bi,bj loops) EXCH calls.
812     - little cleaning (add argument myThid in last position, cvs header ...)
813     - for now, fix conservation problem by exchanging KPPviscAz (may not
814       be the best fix)
815    o pkg/seaice
816     - check for inconsistent evp parameter/cpp-flag combination
817     - remove leftover errIO flat for obsolete name list error handling
818    o OpenAD
819     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
820    
821    checkpoint59a
822    o pkg/seaice: some parameter clarifications and a little bit of clean up
823    o pkg/thsice: rename run-time parameters:
824       himin       -> hIceMin
825       himin0      -> hThinIce
826       hihig       -> hThickIce
827       i0          -> i0swFrac
828       transCoef   -> bMeltCoef
829       frac_energy -> fracMelting
830      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
831       with default values (for now) that do not change the results.
832      remove old version of thsice vars advection in pkg/seaice.
833    o in FFIELDS.h:
834      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
835      - make pLoad & sIceLoad always available (but still only used if
836         ATMOSPHERIC_LOADING is #define).
837    o pkg/kpp: replaced _KPP_RL with _RL
838    o bug fixes for vertical diffusivity computations when both KPP and
839        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
843      - change (improve?) discretization of stress computations for both
844        cgrid-lsr and evp solver
845      - add a new routine to compute strain rates
846      - the above changes lab_sea results
847      - add no slip conditions for evp solver (off by default), lsr-version
848        may follow
849      - fix exchange for shear at Z-points (does not change lab_sea)
850      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
851        (to force the user to pick a time step since there is not "safe" way
852        of choosing it)
853      - add principal stress diagnostics
854      - rearrange fields for evp a little to avoid having to call a: too many
855        exchanges and b: exchanges for stress trensor components which we do
856        not have.
857      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
858        of evp, complete rewrite for lsr case (latter is does not yet work
859        in all cases)
860    o pkg/kpp: add code to have mixing in shelf ice caverns
861      - add myThid to all kpp routines (long overdue)
862    
863    checkpoint59
864    o pkg/exf:
865      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
866        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
867      - move exf header files from lower_case.h to UPPER_CASE.h ;
868        add missing cvs Header & Name
869      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
870      - add namelist param. selectStressGridPosition, exf_monFreq
871      - retire many _CLIM routines, and remove data.exf_clim
872        + params moved to data.exf
873        + climsst, climsss now handled by exf_set_gen, i.e.
874          climss?period=0 refers to constant field,
875          climss?period=-12 to monthly forcing
876      - split up namelists in data.exf
877    o pkg/seaice:
878      - remove seaice_exch and seaice_exch_uv
879      - remove superfluous exchange of theta
880      - add myThid to seaice_budget_ocean/ice
881      - add new interface for atmospheric wind forcing (C-grid only)
882        + new routine
883        + two new field (taux, tauy for stress over ice)
884        + removed one global field (DAIRN) for C-grid case only
885    o pkg/thsise
886      - 2nd set of modifs for thsice adjoint in conjunction with exf
887    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
888    
889    checkpoint58y_post
890    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
891      vertical diffusivity, similar to that in MOM4; turned on using
892      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
893      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
894    o Added capability for 3D specification of background vertical diffusion
895      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
896      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
897      "data" file that contains the 3D vertical diffusivity coefficients.
898    o ice dynamics (pkg/seaice) with thsice thermodynamics:
899      - add code within pkg thsice to advect & diffuse sea-ice fields
900      similar to (and will replace) what has been added in  seaice_advdiff.F,
901      but: - conserving Mass, Heat & Salt.
902           - better when using non-linear advection scheme (not yet fully tested)
903           - can also be used in atmospheric set-up (for now, only the diffusion).
904    
905    checkpoint58x_post
906    o IO option for global-file compact format:
907      - add options when generating topology (utils/exch2/matlab-topology-generator)
908      - add I/O capability (pkg/mdsio).
909      - adapt utils/matlab/rdmds.m to read this format.
910      for now long-line format not yet supported by pkg/mdsio (& exch2).
911    o shelfice: add a few diagnostics
912    
913    checkpoint58w_post
914    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
915      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
916      (and replace horiVertRatio in NH code).
917      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
918                         and tutorial_plume_on_slope (sensitive to truncation)
919    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
920      directly to drive seaice model (C-grid only)
921    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
922     - reintroduce computation of wind from stress,
923     - compute tau (in exf_bulkformulae.F) from windstress averaged to
924       mass points to avoid tau = 0
925     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
926    o rdmnc.m: make it work with "global" files created with gluemnc
927    o rdmnc.m : some improvements in dealing with singleton dimension
928      (tested on all testreport mnc output files).
929    o genmake2: disable pkg/profiles if netcdf test fails.
930    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
931    o move call to cal_readparms up to make calendar parameters/variable available
932      to all packages
933    
934    checkpoint58v_post
935    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
936      useDynP_inEos_Zc tested.
937    o pkg/exf: changes to properly interpolate/mask/scale initial fields
938    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
939      and portions thereof.  See read_cs.txt for description and examples.
940    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
941      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
942      following the great-circle arc between those 2 points.
943    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
944      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
945    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
946     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
947     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
948     - still needs work (not working with some options ; efficiency to improve)
949       and serious testing.
950     - use this scheme for temperature & salinity in 2 advection test exp.:
951       advect_xy & advect_xz, respectively.
952    
953    checkpoint58u_post
954    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
955    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
956    o testreport: add option "-skipdir" to skip some test.
957    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
958      momentum calculation.
959    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
960    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
961      remove checkpoint.F and the_correction_step.F (no longer used);
962      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
963    o add option (linFSConserveTr) to correct for tracer source/sink due to
964      Linear Free surface
965    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
966    o pkg/thsice: fix reading mnc-pickups
967    
968  checkpoint58t_post  checkpoint58t_post
969  o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)  o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
970  o pkg/mdsio:  o pkg/mdsio:
# Line 21  o pkg/diagnostics: change vertical inter Line 982  o pkg/diagnostics: change vertical inter
982    add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right    add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
983     diagnostic pointer.     diagnostic pointer.
984  o pkg/seaice: more cleaning up of seaice_growth, added many comments  o pkg/seaice: more cleaning up of seaice_growth, added many comments
985  o pkg/exf: put runoff0 and runoff into the appropriate common block  o pkg/exf: put runoff0 and runoff1 into the appropriate common block
986  o fix multi-category seaice:  o fix multi-category seaice:
987   - change cpp flag SEAICE_MULTILEVEL to more meaningful name:   - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
988     SEAICE_MULTICATEGORY     SEAICE_MULTICATEGORY

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