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revision 1.764 by jmc, Thu Jan 11 00:29:41 2007 UTC revision 1.1051 by jmc, Fri Jan 9 21:58:08 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/flt:
8     - improve criteria for finding which tile owns a float.
9     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
10    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
11      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
12      with ocean biogeo)
13    o pkg/flt:
14     - do some cleaning and fix the restart ;
15     - add output.txt in flt_example/results to get this pkg tested.
16    o genmake2: add an EXTENDED_SRC option and flag.
17       for now, cannot be turned on on command line (only through genmake_local)
18    o pkg/mdsio: read/write vector:
19     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
20     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
21       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
22     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
23      (drop to 4 digits matching for grad). But this test does not look very
24      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
25    
26    checkpoint61g
27    o pkg/flt:
28      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
29       + make OPTIONS file more standard.
30      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
31      - fix _BYTESWAPIO CPP-Flag
32      - standard reading of file-parameter "data.flt"
33      - fix argument list of S/R FLT_RESTART
34      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
35    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
36    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
37      a still unfixed compiler/optimization bug
38    
39    checkpoint61f
40    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
41      update results of global_ocean.cs32x15.icedyn test.
42    o move getcon.F from model/src to pkg/fizhi.
43    o pkg/exf: add parameter for extrapolation of temp up to the surface
44       and option to prevent negative evap (in bulk_largeyeager04 only).
45    o Prather Advection scheme: fix tracer conservation for divergent flow
46      (e.g., when using NonLin Free-Surface).
47    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
48    o gmredi (Visbeck-variable-K):
49     - add more parameters to Visbeck-variable-K.
50     - use a 5 points average for dSigmaR in Visbeck-K calculation
51       (more "homogenous": same stencil and same weights as in dSigmaH)
52     - update output of ideal_2D_oce experiment.
53    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
54      (#undef REAL4_IS_SLOW)
55     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
56       coordinate variable
57     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
58       (surface forcing fields), removes some of the functionality
59     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
60     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
61       probably not all: copy _RS surface flux fields to RL field before
62       calling DIAGNOSTICS_FILL
63     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
64       real*4 (CALL EXCH_*_RS) versions.
65     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
66       (generate new output).
67    
68    checkpoint61e
69    o gmredi (Visbeck-variable-K):
70      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
71      - change computation of Visbeck-K where Slope > Smax :        
72        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
73        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
74    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
75      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
76    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
77    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
78      does not become too large (to avoid precision problems in implicit-diffusion
79      solver); update ideal_2D_oce output.
80    o pkg ggl90:
81      - in ggl90_cal.F: compute only one set of visc/diff, used to
82        step forward TKE/T/S/momentum
83      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
84        have Prandlt =1)
85    o gmredi (fm07):
86      - add lower limit on Transition layer thickness + lower limit on 1/lambda
87      - allow to set few more params from data.gmredi
88    o pkg ggl90:
89          - add missing sqrt(2) factor in computation of mixing length
90            scale in ggl90_calc.F
91            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
92    
93    checkpoint61d
94    o adjoint modifs
95      - adapt to new field rhoInSitu
96      - allow to revert from StoreDynVars2D, StoreDynVars3D
97        to individual fields
98        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
99    o store 3-D (in-situ) density in commom block (DYNVARS.h)
100     - save 1 rho computation.
101     - no longer modify T & S inland when using down_slope pkg.
102    o gad_som : allow to switch to SOM advection for T & S without corresponding
103      pickup files (using new S/R: MDS_CHECK4FILE).
104    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
105      (for useSingleCpuIO to work in multi-threaded)
106    o pkg/shelfice:
107     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
108       with SHELFICEtopoFile in data.shelfice
109     - move code for reading ice shelf topography and modifying hFacC into separate
110       subroutines of the shelfice package
111     - separate initialisation of "fixed" and "variable" variables
112     - kTopC is not (yet) replaced by kSurfC, although this is possible
113    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
114    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
115      and rename:
116      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
117      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
118    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
119    
120    checkpoint61c
121    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
122      to add mass source/sink of fluid in the interior (3-D generalisation
123      of oceanic real-fresh water flux).
124    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
125    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
126    o new pkg: down_slope
127      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
128      - presently, modify T & S inland (dwnslp_calc_rho.F).
129        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
130      - implementation for ocean in P-coords not tested.
131      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
132    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
133      (to facilitate conversion of oceanic pkg to p-coordinate).
134    o change FIND_RHO to FIND_RHO_2D :
135      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
136    o new pkg: cheapaml
137    
138    checkpoint61b
139    o exch2:
140      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
141      - no longer depend on the order sequence (N,S,E,W).
142      - 3rd exchange no longer needed (tested with 24 tiles).
143      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
144      - exch_UV_A-grid readily available (but not yet tested).
145      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
146      (both are no longer needed) in exch_uv: no effect in forward run; but
147       get truncation error differences with adjoint exch.
148    o exch2:
149     - change index-bounds storage (moved from target to local tile,
150       more intuitive this way) ; rename/remove some variables.
151     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
152    
153    checkpoint61a
154    o exch2/matlab-topology-generator:
155      fix bug in index bounds for N-S internal exchange (hard to tell if this
156      had any effect on the solution).
157    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
158      is exceeded
159    o testreport: modify syntax of awk, so that it works also with
160      awk, and not only with nawk and gawk
161    
162    checkpoint61
163    o autodiff
164      Change default for TAF usage by removing argument '-nonew_arg'
165      This changes TAF subroutine argument list (ordering of active var.)
166      Omission of this flag leads to incompatibility w.r.t. TAMC
167      To restore TAMC-compatibility, need following modifs:
168      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
169      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
170      Tested TAF version is 1.9.22
171      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
172    
173    checkpoint60
174    --->>> This is the last checkpoint for which generating the adjoint
175    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
176    --->>> by default.
177    --->>> Future checkpoints will ommit this flag by default.
178    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
179    o pkg/grdchk: Add gradient check to etan0 perturbations.
180    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
181    o pkg/autodiff: more flexibility in zeroadj.
182      model/src: modifying do_oceanic_phys.F accordingly.
183    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
184    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
185      special setup of gmredi for which the adjoint is stable
186      enough for parameter optimization.
187    o bridging the gap between eddy stress and GM.
188      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
189          along with a change in CPP option (now ALLOW_EDDYPSI).
190      -> when using GM w/ GM_AdvForm:
191          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
192          is applied either in the tracer Eq. or in momentum Eq.
193          depending on data.gmredi (intro. GM_InMomAsStress).
194      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
195      The key modifications are in model/src/taueddy_external_forcing.F
196      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
197    
198    checkpoint59r
199    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
200      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
201      fix option to read coriolis(@ cell-corner) from files with CS-grid.
202    o pkg/mnc: add some attributes to standard 1D-coordinate variables
203    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
204      mass points, when using mnc for output
205      - add runtime parameter (missing_value, missing_value_int) to override
206        default (which is the value of getcon('UNDEF'))
207    o pkg/mnc: prepare mnc for the actual use of missing values with the
208      diagnostics package: small fix in mnc_cw_readwrite.template and more
209      initialisation of never used fields
210      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
211      versions
212    o pkg/thsice/thsice_ini_vars.F added default initial values so that
213      thermodynamics sea ice solver does not blow up when some initial fields
214      are missing.
215    o move from external_forcing_surf.F to ini_forcing.F
216      the p-coord. hack consisting in using pLoad to set phi0surf ;
217      update output of tutorial_global_oce_in_p (affected @ truncation level).
218    o Freshen up a bit hs94.1x64x5, notably:
219      remove rotationPeriod and tRef=5*0. (adjoint only), and add
220      exactConserv=.TRUE.
221    o pkg/generic_advdiff:
222      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
223      applies to files where Temperature & Salinity 2nd Order moments are used.
224    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
225      this uses a dynamically allocated internal state data structure
226      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
227      and requires a fortran 90 compiler
228    
229    checkpoint59q
230    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
231       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
232    o Refresh tutorial_global_oce_biogeo, notably:
233      - change bathymetry (put back seamounts in ACC, use hFacs)
234      - change EOS (POLY3 --> JMD95Z)
235      - use Bryan-Lewis vertical diffusivity
236      - use multidimensional advection
237      - remove old virtual virtual in dic pkg, now done through ptracer pkg
238      - change a couple of parameters in dic pkg
239    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
240    o pkg/obcs: change default to OBCSfixTopo = .true.,
241      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
242      - replace "debugMode" with "debugLevel .GE. debLevB"
243    o implementation of TAF directives for gchem,cfc,dic
244    o remove "exp5" (replaced by tutorial_deep_convection).
245    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
246      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
247      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
248      --> changes results in exp4, seaice_obcs
249    o tutorial_deep_convection :
250      update the set-up and increase resolution and domain size ; start
251      from pseudo initial conditions = output at t=120mn in order to see
252      something happening when running testreport.
253    o pkg/seaice: add os7mp as an advection scheme
254                  add check for advection schemes
255                  add a flag for restoring T and S underneath sea ice
256    o pkg/my82: add netcdf-support and diagnostics
257    o thsice pkg:
258      - Now hsMax limits snow height by turning it into ice following
259        flooding scheme (and now conserving energy)
260      - Slight rewriting of the formula in thsice_calc_thick.F
261      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
262      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
263    
264    checkpoint59p
265    o gchem / dic / cfc :
266      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
267      - add new parameter files: "data.dic" & "data.cfc" ;
268      - various re-arrangement in initialisation & header file ;
269      - fix tutorial_global_oce_biogeo for multi-threaded test.
270    o pkg/dic: test for "pickup_dic" file when restarting ;
271      if no pickup-file, can restart with a re-initialised pH (same as it did
272      before) providing pickupStrictlyMatch is set to False.
273    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
274      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
275    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
276      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
277    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
278     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
279       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
280    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
281       scheme to use for vorticty-term ;
282     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
283       (with default selectVortScheme, return to original discretisation)
284     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
285    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
286    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
287      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
288      also fix diagnostics VISCAHW & VISCA4W.
289    
290    checkpoint59o
291    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
292    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
293      move a few statemens out the main loop into separate loops
294    o pkg/shelfice:
295      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
296        (kg/m^2/s), does not break tests, because in verification/isomip,
297        rhoConstFresh=rhoConst (by accident)
298      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
299      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
300        new file model/src/seawater.F, so that they are available for all pkgs.
301      - convert potential temperature into in-situ temperature. This changes the
302        isomip tests => update tests
303    o add a flag writePickupAtEnd (default=true) to be able to suppress
304      writing a pickup at the last timestep
305    o tools/mpack-1.6 :
306      - disable automake (not working) and autoconf (not needed).
307      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
308        also cleaner with much less compilation warnings.
309    o pkg/profiles:
310      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
311      (for "less than 32 characters name" compiler requirement)
312    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
313      conditions that have a different sampling frequency than S/T/U/V obcs
314    o pkg/diagnostics (stats-diags):
315      - fix global Min/Max in case 1 processor get only empty tiles
316    o genmake2: replace (4 times)
317         make genmake_tc_1.o >> genmake_warnings 2>&1
318      with
319         COMM="$CC $CFLAGS -c genmake_tc_1.c"
320         echo $COMM >> genmake_warnings
321         $COMM >> genmake_warnings 2>&1
322      to make genmake2 always see the value of CC as specified in the optfile.
323    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
324      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
325      - modify verification advect_cs test to test SOM-advection on CS-grid.
326    o pkg/ctrl:
327      - Rewrite of ctrl_map_ini_ecco.F,
328        introducing a generic routine (ctrl_map_ini_gen.F).
329      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
330    
331    checkpoint59n
332    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
333      number in dedicate array "hdiag":
334      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
335        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
336      - many small changes (integer format) for large number of diagnostics
337      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
338        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
339    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
340      usingSphericalGrid, this allows to define the rotated grid coordinates
341      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
342      geographical coordinates according to the inverse of the rotation defined
343      by the Euler angles, so that Coriolis parameter and online-interpolation by
344      exf works with the geographical coordinates on XC/YC/XG/YG.
345      Naturally, this feature does not work with all packages, so some
346      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
347      profiles), because there the coordinates are assumed to be regular
348      spherical grid coordinates.
349    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
350      - introduce isopycnal diffusion coefficient control.
351    o tools/adjoint_options:
352      - additional control vector components.
353    o pkg/mnc: have mnc create marginally meaning full coordinate variables
354      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
355    o pkg/mypackage:
356      - add example of read/write pickup for state-var ;
357      - add entry points to the main code for state-vars diags & write-pickup.
358    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
359      transitions for useExfYearlyFields
360      - add new subroutine that determines the file to read from for
361        use*YearlyFields = .TRUE. and .FALSE.
362      - add a verification experiment to global_with_exf that tests
363        useExfYearlyFields with USE_EXF_INTERPOLATION defined
364    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
365      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
366      subroutines (which could be generated from a template, because they are
367      almost identical), for now they are included in obcs_prescribe_read.F for
368      simplicity
369    o pkg/exf:
370      - add a little more diagnostic to exf_interp_read (in analogy to
371        mds_read_field, can be turned off with debugLevel < debugLevA=1)
372      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
373        ugly but fast by unrolling short inner loops, inserting a unroll=8
374        directive in routine lagran, and splitting a loop and making do while the
375        outermost loop (the latter requires the intoduction of index arrays)
376    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
377    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
378      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
379    o verification/seaice_obcs: updated for restart test and latest options
380    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
381      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
382      for now this is only available for the C-grid code and also within
383      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
384    
385    checkpoint59m
386    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
387      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
388    o gad_som : fix flux output (& diagnostics) to have same units as other  
389      advection scheme fluxes (was previously multiplied by deltaT).  
390    o added verification/seaice_obcs both to test seaice open boundaries
391      and to provide an example matlab scrpt for generating them
392    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
393    o pkg/salt_plume: clean up salt_plume_frac.F to
394      remove redundancy in PlumeMethod 1 and 4
395    o pkg/kpp: added saltplume diagnostics
396    o pkg/obcs and pkg/seaice:
397      - do not set uice and vice to zero when OB*icefile are unspecified
398      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
399      - moved seaice tracer obcs after call to seaice_growth
400    o pkg/salt_plume: added various options for salt plume depth
401      criterion and for vertical distribution of the salt
402    
403    checkpoint59l
404    o pkg/ptracers: new version of ptracers pickup:
405      read meta file and write only fields which are needed to restart.
406      ( same logic as main pickup file ; also using pickupStrictlyMatch )
407    o pkg/seaice:
408      - add timescale for melting due to warm mixed layer as a means of
409        setting SEAICE_availHeatFrac more conveniently
410      - add a CPP-flag/runtime parameter check for flooding algorithm
411      - reformulated availHeat in seaice_growth.F to be independent of AREA
412    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
413      unit changes
414    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
415    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
416      SX vector computer.
417    o pkg/seaice:
418      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
419        seaice forcing fields can now be read only through pkg/exf
420      - removed some unused halos
421    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
422    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
423      or U/VICE from U/VWIND before computing U/VSTRESS
424    
425    checkpoint59k
426    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
427      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
428    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
429      all experiments pass when compile with un-initialised var. checking option.
430    o added pkg/salt_plume
431    o script to test restart (for now, in MITgcm_contrib/jmc_script)
432    o pkg/seaice: new read/write pickup version.
433      read meta file and write only fields which are needed to restart.
434      ( same logic as main pickup file ; also using pickupStrictlyMatch )
435    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
436    o lab_sea.hb87: modify the domain & update output.hb87.txt :
437      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
438      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
439      process. Fixed here by closing the domain at the Northern boundary.
440    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
441    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
442      a set of consecutive levels in/from a 3-D array.
443    o pkg/ptracers:
444      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
445      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
446    
447    checkpoint59j
448    o in pkgs: dic, obcs, offline, rbcs:
449      standard way to compute coeff. for time interpolation between 2 time reccords
450      which retains full precision (& make results less dependent on compiler).
451      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
452    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
453      packages instead of reading ice cover and wind speed separately
454    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
455     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
456      to allow to compile customized code before the update)
457    o cleaning-up:
458      - fix CPP instruction syntax in pkg/obcs
459      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
460        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
461      - fix some threads issue in IO parts.
462    o pkg/dic:
463      - add tons of "_d 0" (--> much better testreports !)
464       and then update outputs of tutorial_global_oce_biogeo
465    o pkg/mom_fluxform:
466      add a special version of momentum advection intended to conserve momentum
467      next to a bathymetry step or a coastline edge. (default = off = #undef)
468    o new read/write pickup version:
469      - for now, only implemented for main (mdsio) pickup file.
470      - write out only what is needed to restart; merge pickup_nh , pickup_ph
471        and main pickup together.
472      - read meta file; read only what is needed to restart; stop if a field
473        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
474        if it make sense (even if the restart is not perfect).
475      - if no meta file, assume that pickup to read corresponds exactly to
476        a pickup that would currently be written.
477      - read pickup written in the old format (until checkpoint59i) if it
478        recognizes an old meta file (no field-list).
479      - add a meta file in exp. which starts from a pickup: 2 cases:
480        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
481         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
482        b) a meta file describing the content of the associated pickup file
483         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
484    o pkg/mdsio & pkg/rw:
485      - new routine to read a meta file ; new set of routine to read
486        Multiple-fields file (with meta file).
487    o added open boundary conditions capability for seaice
488        HSNOW, HSALT, UICE, and VICE
489    
490    checkpoint59i
491    o adjoint:
492      * fix multiDimAdvection adjoint
493        (partial recomputation problem by TAF for fVerT(:,:,kDown)
494        and comlev1 size definition (maxpass vs. max. number of tracers)
495      * verification/global_ocean.90x45x15 adjoint now tests
496        NLFS and multiDimAdvection using DST3 (=30)
497      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
498    o pkg/kpp: add "_d 0" to real constant (if missing);
499      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
500      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
501    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
502      for internal parameters related to restart process (formerly from PARAMS.h)
503      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
504    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
505      as argument. (only atm2d & obcs write_pickup have not yet been updated)
506    o pkg/monitor:
507      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
508      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
509      - account for deep Atmosphere factor and density factor (anelastic)
510    o added open boundary conditions capability for seaice HEFF and AREA
511    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
512      thermodynamics
513      - requires a little reorganization, which affects the testreport results
514        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
515        so that now the conservative form is tested
516      - add a few comments
517    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
518    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
519    o add new diagnostics to seaice: advective, diffusive fluxes (only for
520      multidim-advection, for scheme 2 they are not filled) and transports,
521      thermodynamic growth rates
522    o change units of EmPmR (inside the code, + within coupling interface)
523      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
524      Affects results @ truncation level (cg2d match) and update output of
525       experiments: lab_sea(6), global_ocean.90x40x15(10),
526      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
527      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
528      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
529      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
530    
531    checkpoint59h
532    o pkg/exf:
533      - improve vectorization by moving if-statement out of loops in
534        exf_mapfields, exf_radiation
535      - exf_bulkformulae.F: introduce 2D fields and vectorize code
536    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
537    o testreport:
538      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
539        monitor & update offline_exf_seaice exp. output.
540      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
541    o pkg/seaice:
542      - bug fix in the evp solver: boundary conditions were affected be
543        masking of zMax/zMin (changes results)
544      - minor bug fix in boundary conditions in seaice_calc_strainrates
545        (changes results for no_slip)
546      - seaice_lsr.F: make interpolation of eta dependent on boundaries
547      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
548      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
549        stress formulation and no-slip boundary conditions
550    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
551      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
552    o pkg/seaice: a first HSALT time stepping equation has been checked in
553    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
554      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
555      without requiring DO-IF statements
556    o pkg/thsice:
557      use continuous power-law function for partition of energy between lateral
558      melting/freezing and thinning/thickening ; old code using step function
559      still available with #undef THSICE_FRACEN_POWERLAW
560      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
561    o testreport: change AD testing : check against results/output_adm.txt
562      using same scripts as for forward test.
563    
564    checkpoint59g
565    o adjoint testing: in preparation for changing testreport:
566      - output format: cost and grad written on separated lines
567      - ad output results in directory "results" (instead of "results_ad")
568    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
569    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
570    o pkg/ecco: allow user defined cost function contributions
571    o testreport:
572      Allow to choose (per experiment) the list of tested output variables
573       and the main variable (used to issue a pass/FAIL ) ;
574      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
575      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
576      Also modify printing of summary:
577       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
578       b) echo the list of tested variables in the individual summary.txt of
579          each experiment.
580    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
581      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
582      (but still depend on the tile decompostion of the domain).
583    o pkg/seaice: change a discretization detail to make the B-grid code
584      "more symmetric". This change is likely to remove all "ridges/leads" that
585      where quasi-aligned with the grid in B-grid solutions. It may also be
586      the solution to the stress coupling issues with the B-grid.
587    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
588      remove .cvsignore from input dir. (since testreport no longer run here).
589    o pkg/thsice:
590     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
591     - fix reshaping of sea-ice just after advection:
592       melt all the ice only if ice-volume is too small.
593     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
594       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
595     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
596    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
597      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
598    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
599      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
600      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
601      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
602      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
603      -> update output.txt
604    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
605     this affects truncation error: -> update output.txt of exp:
606      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
607      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
608    
609    checkpoint59f
610    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
611    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
612      a bounded range (in forward mode)
613    o pkg/ecco, ctrl, autodiff and mom_common:
614     internal parameter controls, completements of implementations
615    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
616    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
617      (not seem any difference in testing results).
618    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
619       at face corners.
620    o pkg/generic_advdiff:
621     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
622      loop range indices for computing vertical advection tendency
623      and do the calculation in the interior only (no overlap) ;
624      for now, only implemented for SOM advection (to save CPU time).
625     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
626    o exch2 adjoint
627      First set of changes:
628      - add exch2 hand-written adjoint templates
629      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
630        This will require cleanup in pkg/autodiff/*.F
631        (changed routines currently kept separate in verif. code/)
632      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
633        that used to hide exch2 or cubed-sphere specific code
634        (commented via 'cph-exch2')
635    o pkg/seaice
636      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
637    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
638       output of global_ocean.cs32x15.thsice .
639    
640    checkpoint59e
641    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
642      for B-grid vector (not yet tested) and C-grid vector (<- only used
643      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
644    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
645      (#ifdef ALLOW_SALT_PLUME)
646    o gather_2d/scatter_2d: removed halo regions
647    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
648      scheme and the corresponding test case (under front_relax dir). For now,
649      only available with Skew-flux form and not yet tested in realistic set-up.
650      adjoint: store directives updated, but gradient checks deteriorated,
651      so maybe GM/Redi adjoint is now broken.
652    o seaice adjoint
653      * add AREA, HEFF, HSNOW as control variable
654        (should not change lab_sea results)
655      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
656    o pkg/seaice:
657      * added computation of saltFlux in seaice_growth;
658        For time being, sea ice salinity is assumed constant
659        contribution of snow flooding to freshening of sea ice is neglected.
660        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
661        defaults to 0.0 in order to maintain backward compatibility.
662        Typical values for SEAICE_salinity are 4 to 10 g/kg.
663      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
664      * added SEAICE_availHeatFrac, which specifies fraction of surface level
665        heat content used to melt or grow ice
666      * commented out cap of HICE: it helps keep ice thinner
667      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
668      * applied OBCS T/S mask to HEFFM sea ice mask
669    
670    checkpoint59d
671    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
672     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
673     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
674    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
675     and change default value of parameter "GM_Small_Number";
676     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
677       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
678       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
679    o pkg/ecco: cost function when applying pkg/smooth to controls
680    o pkg/ctrl: add forcingPrecond run time parameter
681    o pkg/seaice:
682     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
683     - fix bug in metric terms of u-equation in LSR solver (implicit part),
684       changes verification/lab_sea
685     - rearrange implicit part of u-equation in LSR solver to make it easier to
686       read, understand, and debug. This causes changes at the truncation level.
687     - fix (serious) bug in the boundary conditions (sign error in the implicit
688       part) of the LSR solver. Changes all LSR results.
689     - fixed problem with HSNOW initialization to avoid thick snow when AREA
690       is initilized with small values - does not change lab_sea results.
691     - added HsnowFile initialization capability
692    o pkg/smooth: addition to model/src and pkg/ctrl so allow
693     initialization of pkg/smooth and application to control vector
694    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
695    o dependencies: pkg/profiles requires pkg/cal
696    o pkg/profiles:
697     - added option ALLOW_PROFILES_GENERICGRID
698         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
699         that interpolation information (grid points and coefficients) is provided
700         within the netcdf input files.
701         -> sample matlab scripts can be found in MITgcm_contrib/gael
702         that allow you to prepare netcdf input files.
703     - also modified: cleaner include statements, cleaner error print statements,
704       cleaner stops when error, and more tests of the netcdf input files consistency.
705    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
706    o pkg/seaice:
707     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
708       requires a new routine: seaice_diagnostics_fill.F
709     - make sure that seaice does not move if not forced (pressure replacement
710       method, Hibler and Ip, 1995), changes results
711     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
712     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
713       It is turned off by default (=-1.), because it changes the results.
714     - make it possible to read AREA from a file, too.
715    
716    checkpoint59c
717    o add S/R and diagnostics for oceanic mixed-layer depth
718    o move GMRedi call after all vertical mixing schemes (including KPP)
719    o pkg/thsice:
720     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
721      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
722    o pkg/obcs:
723     - bug fix for balance code
724    o pkg/seaice:
725      - allow values of SEAICE_elasticParm > 1
726      - add new parameter SEAICE_evpTauRelax as an alternative
727        to SEAICE_elasticParm
728      - make lsr boundary conditions free slip (by default), changes result
729      - add code for no slip boundary conditions for lsr
730      - set minimum of zeta to zero (and not 4e8) (changes results)
731      - add a cap on AREA after advecting AREA if seaice_growth is not called
732    o change calculation of Visbeck K:
733      - no longer depend on tapering scheme; instead, compute slope (limited
734        by GM_maxSlope). this is equivalent to what was comuted before with
735        clipping or linear tappering.
736      - fix vertical averaging (wrong by 1/2 level)
737      - leave the old version (but will not be maintained) within
738        #ifdef OLD_VISBECK_CALC / #endif
739      - update output of exp. ideal_2D_oce
740    o change error catch in calc_r_star to improve vectorization
741    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
742      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
743    o adjoint:
744      Re-organized adjoint checkpointing according to Matt Mazloff
745      (but with modifs/completions/cleanups)
746      Storing is now bundled into large arrays to optimized I/O
747      (and second step in cleanup of the_main_loop)
748    
749    checkpoint59b
750    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
751      - export/import (between ocean & coupler) fields needed for ocean DIC.
752    o pkg/seaice:
753      - get rid of three more exchanges seaice_calc_viscosities (required
754        different loop boundaries in seaice_lsr and seaice_ocean_stress)
755      - bug fix in seaice_ocean_stress (update of lab_sea required)
756      - reduce loop boundaries to necessary minimum also in seaice_evp
757      - go back to the old way of computing deltaC/Z as the adjoint likes that
758        better
759    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
760      passive tracer to an Age Tracer) + update output.txt
761    o pkg/exf:
762      - implement A-grid / C-grid selection for wind-stress input files.
763      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
764      for now, in exf_bulk_largeyeager04.F only :
765      - change implementation for case where windspeed + 2. components wind-stress
766        are read-in. AND use rhoConstFresh to convert evap.
767    o pkg/seaice:
768      - use correct EXCH_UV for wind-forcing (on A-grid).
769      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
770        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
771    o pkg/exf:
772      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
773      EXF_INTERPOLATION:
774      - merge global_with_exf/code version of exf_interp_read.F
775        to the main code ;
776      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
777        reading the file ; Important: This options needs to be defined to recover
778        previous code.
779        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
780      - no longer loose real*8 precision along the way when using exf_iprec=64.
781    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
782      - change discretisation of evp-solver in order to avoid another exchange
783        (changes lab_sea) and clean up a little
784      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
785        help the adjoint (this also changes the results slightly)
786      - add a few "_d 0" where they had been missing in seaice_evp.F
787      - cleaning up: remove unused seaice_calc_rhs.F
788    o pkg/exf: some cleaning-up:
789      - change various "constants" into runtime parameters
790      - cleaned-up Large&Yeager04 routine which should eventually
791        replace exf_bulkformulae.F (changed names of S/R and CPP)
792        and merged various ALLOW_ATM_WIND options
793     only used with thsice pkg (in thsice_get_exf.F):
794      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
795        which are used when useStabilityFct_overIce=TRUE (= the default)
796      - change default values of ice & snow emissivity and scale downward LW
797        by ice & snow emissivity.
798    o pkg/thsice:
799     fix few little problems, in thsice_calc_thickn.F:
800      - growth vertically (and not laterally) if iceFrac == iceMaskMax
801      - melt only laterally if hIce < hThinIce (as the comments say)
802      and in thsice_extend.F:
803      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
804      - start to form ice as soon as the minimum ice-volume is reachable.
805     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
806      and cpl_aim+ocn
807    o pkg/kpp
808     - move computation of surface related input fields to KPP into a new
809       subroutine kpp_forcing_surf.F
810     - remove wrong (within bi,bj loops) EXCH calls.
811     - little cleaning (add argument myThid in last position, cvs header ...)
812     - for now, fix conservation problem by exchanging KPPviscAz (may not
813       be the best fix)
814    o pkg/seaice
815     - check for inconsistent evp parameter/cpp-flag combination
816     - remove leftover errIO flat for obsolete name list error handling
817    o OpenAD
818     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
819    
820    checkpoint59a
821    o pkg/seaice: some parameter clarifications and a little bit of clean up
822    o pkg/thsice: rename run-time parameters:
823       himin       -> hIceMin
824       himin0      -> hThinIce
825       hihig       -> hThickIce
826       i0          -> i0swFrac
827       transCoef   -> bMeltCoef
828       frac_energy -> fracMelting
829      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
830       with default values (for now) that do not change the results.
831      remove old version of thsice vars advection in pkg/seaice.
832    o in FFIELDS.h:
833      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
834      - make pLoad & sIceLoad always available (but still only used if
835         ATMOSPHERIC_LOADING is #define).
836    o pkg/kpp: replaced _KPP_RL with _RL
837    o bug fixes for vertical diffusivity computations when both KPP and
838        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
839        are no longer updating the vertical diffusivity array
840        (passed as argument) but are (re-) setting those arrays.
841    o pkg/seaice: fix bug in evp solver, while doing that
842      - change (improve?) discretization of stress computations for both
843        cgrid-lsr and evp solver
844      - add a new routine to compute strain rates
845      - the above changes lab_sea results
846      - add no slip conditions for evp solver (off by default), lsr-version
847        may follow
848      - fix exchange for shear at Z-points (does not change lab_sea)
849      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
850        (to force the user to pick a time step since there is not "safe" way
851        of choosing it)
852      - add principal stress diagnostics
853      - rearrange fields for evp a little to avoid having to call a: too many
854        exchanges and b: exchanges for stress trensor components which we do
855        not have.
856      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
857        of evp, complete rewrite for lsr case (latter is does not yet work
858        in all cases)
859    o pkg/kpp: add code to have mixing in shelf ice caverns
860      - add myThid to all kpp routines (long overdue)
861    
862    checkpoint59
863    o pkg/exf:
864      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
865        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
866      - move exf header files from lower_case.h to UPPER_CASE.h ;
867        add missing cvs Header & Name
868      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
869      - add namelist param. selectStressGridPosition, exf_monFreq
870      - retire many _CLIM routines, and remove data.exf_clim
871        + params moved to data.exf
872        + climsst, climsss now handled by exf_set_gen, i.e.
873          climss?period=0 refers to constant field,
874          climss?period=-12 to monthly forcing
875      - split up namelists in data.exf
876    o pkg/seaice:
877      - remove seaice_exch and seaice_exch_uv
878      - remove superfluous exchange of theta
879      - add myThid to seaice_budget_ocean/ice
880      - add new interface for atmospheric wind forcing (C-grid only)
881        + new routine
882        + two new field (taux, tauy for stress over ice)
883        + removed one global field (DAIRN) for C-grid case only
884    o pkg/thsise
885      - 2nd set of modifs for thsice adjoint in conjunction with exf
886    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
887    
888    checkpoint58y_post
889    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
890      vertical diffusivity, similar to that in MOM4; turned on using
891      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
892      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
893    o Added capability for 3D specification of background vertical diffusion
894      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
895      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
896      "data" file that contains the 3D vertical diffusivity coefficients.
897    o ice dynamics (pkg/seaice) with thsice thermodynamics:
898      - add code within pkg thsice to advect & diffuse sea-ice fields
899      similar to (and will replace) what has been added in  seaice_advdiff.F,
900      but: - conserving Mass, Heat & Salt.
901           - better when using non-linear advection scheme (not yet fully tested)
902           - can also be used in atmospheric set-up (for now, only the diffusion).
903    
904    checkpoint58x_post
905    o IO option for global-file compact format:
906      - add options when generating topology (utils/exch2/matlab-topology-generator)
907      - add I/O capability (pkg/mdsio).
908      - adapt utils/matlab/rdmds.m to read this format.
909      for now long-line format not yet supported by pkg/mdsio (& exch2).
910    o shelfice: add a few diagnostics
911    
912    checkpoint58w_post
913    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
914      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
915      (and replace horiVertRatio in NH code).
916      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
917                         and tutorial_plume_on_slope (sensitive to truncation)
918    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
919      directly to drive seaice model (C-grid only)
920    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
921     - reintroduce computation of wind from stress,
922     - compute tau (in exf_bulkformulae.F) from windstress averaged to
923       mass points to avoid tau = 0
924     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
925    o rdmnc.m: make it work with "global" files created with gluemnc
926    o rdmnc.m : some improvements in dealing with singleton dimension
927      (tested on all testreport mnc output files).
928    o genmake2: disable pkg/profiles if netcdf test fails.
929    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
930    o move call to cal_readparms up to make calendar parameters/variable available
931      to all packages
932    
933    checkpoint58v_post
934    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
935      useDynP_inEos_Zc tested.
936    o pkg/exf: changes to properly interpolate/mask/scale initial fields
937    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
938      and portions thereof.  See read_cs.txt for description and examples.
939    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
940      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
941      following the great-circle arc between those 2 points.
942    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
943      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
944    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
945     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
946     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
947     - still needs work (not working with some options ; efficiency to improve)
948       and serious testing.
949     - use this scheme for temperature & salinity in 2 advection test exp.:
950       advect_xy & advect_xz, respectively.
951    
952    checkpoint58u_post
953    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
954  o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.  o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
955  o testreport: add option "-skipdir" to skip some test.  o testreport: add option "-skipdir" to skip some test.
956  o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent  o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent

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