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revision 1.747 by dimitri, Mon Nov 20 20:06:43 2006 UTC revision 1.1038 by dfer, Thu Oct 30 23:38:41 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
8    o gmredi (Visbeck-variable-K):
9     - add more parameters to Visbeck-variable-K.
10     - use a 5 points average for dSigmaR in Visbeck-K calculation
11       (more "homogenous": same stencil and same weights as in dSigmaH)
12     - update output of ideal_2D_oce experiment.
13    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
14      (#undef REAL4_IS_SLOW)
15     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
16       coordinate variable
17     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
18       (surface forcing fields), removes some of the functionality
19     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
20     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
21       probably not all: copy _RS surface flux fields to RL field before
22       calling DIAGNOSTICS_FILL
23     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
24       real*4 (CALL EXCH_*_RS) versions.
25     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
26       (generate new output).
27    
28    checkpoint61e
29    o gmredi (Visbeck-variable-K):
30      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
31      - change computation of Visbeck-K where Slope > Smax :        
32        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
33        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
34    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
35      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
36    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
37    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
38      does not become too large (to avoid precision problems in implicit-diffusion
39      solver); update ideal_2D_oce output.
40    o pkg ggl90:
41      - in ggl90_cal.F: compute only one set of visc/diff, used to
42        step forward TKE/T/S/momentum
43      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
44        have Prandlt =1)
45    o gmredi (fm07):
46      - add lower limit on Transition layer thickness + lower limit on 1/lambda
47      - allow to set few more params from data.gmredi
48    o pkg ggl90:
49          - add missing sqrt(2) factor in computation of mixing length
50            scale in ggl90_calc.F
51            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
52    
53    checkpoint61d
54    o adjoint modifs
55      - adapt to new field rhoInSitu
56      - allow to revert from StoreDynVars2D, StoreDynVars3D
57        to individual fields
58        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
59    o store 3-D (in-situ) density in commom block (DYNVARS.h)
60     - save 1 rho computation.
61     - no longer modify T & S inland when using down_slope pkg.
62    o gad_som : allow to switch to SOM advection for T & S without corresponding
63      pickup files (using new S/R: MDS_CHECK4FILE).
64    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
65      (for useSingleCpuIO to work in multi-threaded)
66    o pkg/shelfice:
67     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
68       with SHELFICEtopoFile in data.shelfice
69     - move code for reading ice shelf topography and modifying hFacC into separate
70       subroutines of the shelfice package
71     - separate initialisation of "fixed" and "variable" variables
72     - kTopC is not (yet) replaced by kSurfC, although this is possible
73    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
74    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
75      and rename:
76      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
77      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
78    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
79    
80    checkpoint61c
81    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
82      to add mass source/sink of fluid in the interior (3-D generalisation
83      of oceanic real-fresh water flux).
84    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
85    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
86    o new pkg: down_slope
87      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
88      - presently, modify T & S inland (dwnslp_calc_rho.F).
89        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
90      - implementation for ocean in P-coords not tested.
91      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
92    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
93      (to facilitate conversion of oceanic pkg to p-coordinate).
94    o change FIND_RHO to FIND_RHO_2D :
95      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
96    o new pkg: cheapaml
97    
98    checkpoint61b
99    o exch2:
100      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
101      - no longer depend on the order sequence (N,S,E,W).
102      - 3rd exchange no longer needed (tested with 24 tiles).
103      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
104      - exch_UV_A-grid readily available (but not yet tested).
105      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
106      (both are no longer needed) in exch_uv: no effect in forward run; but
107       get truncation error differences with adjoint exch.
108    o exch2:
109     - change index-bounds storage (moved from target to local tile,
110       more intuitive this way) ; rename/remove some variables.
111     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
112    
113    checkpoint61a
114    o exch2/matlab-topology-generator:
115      fix bug in index bounds for N-S internal exchange (hard to tell if this
116      had any effect on the solution).
117    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
118      is exceeded
119    o testreport: modify syntax of awk, so that it works also with
120      awk, and not only with nawk and gawk
121    
122    checkpoint61
123    o autodiff
124      Change default for TAF usage by removing argument '-nonew_arg'
125      This changes TAF subroutine argument list (ordering of active var.)
126      Omission of this flag leads to incompatibility w.r.t. TAMC
127      To restore TAMC-compatibility, need following modifs:
128      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
129      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
130      Tested TAF version is 1.9.22
131      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
132    
133    checkpoint60
134    --->>> This is the last checkpoint for which generating the adjoint
135    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
136    --->>> by default.
137    --->>> Future checkpoints will ommit this flag by default.
138    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
139    o pkg/grdchk: Add gradient check to etan0 perturbations.
140    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
141    o pkg/autodiff: more flexibility in zeroadj.
142      model/src: modifying do_oceanic_phys.F accordingly.
143    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
144    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
145      special setup of gmredi for which the adjoint is stable
146      enough for parameter optimization.
147    o bridging the gap between eddy stress and GM.
148      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
149          along with a change in CPP option (now ALLOW_EDDYPSI).
150      -> when using GM w/ GM_AdvForm:
151          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
152          is applied either in the tracer Eq. or in momentum Eq.
153          depending on data.gmredi (intro. GM_InMomAsStress).
154      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
155      The key modifications are in model/src/taueddy_external_forcing.F
156      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
157    
158    checkpoint59r
159    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
160      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
161      fix option to read coriolis(@ cell-corner) from files with CS-grid.
162    o pkg/mnc: add some attributes to standard 1D-coordinate variables
163    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
164      mass points, when using mnc for output
165      - add runtime parameter (missing_value, missing_value_int) to override
166        default (which is the value of getcon('UNDEF'))
167    o pkg/mnc: prepare mnc for the actual use of missing values with the
168      diagnostics package: small fix in mnc_cw_readwrite.template and more
169      initialisation of never used fields
170      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
171      versions
172    o pkg/thsice/thsice_ini_vars.F added default initial values so that
173      thermodynamics sea ice solver does not blow up when some initial fields
174      are missing.
175    o move from external_forcing_surf.F to ini_forcing.F
176      the p-coord. hack consisting in using pLoad to set phi0surf ;
177      update output of tutorial_global_oce_in_p (affected @ truncation level).
178    o Freshen up a bit hs94.1x64x5, notably:
179      remove rotationPeriod and tRef=5*0. (adjoint only), and add
180      exactConserv=.TRUE.
181    o pkg/generic_advdiff:
182      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
183      applies to files where Temperature & Salinity 2nd Order moments are used.
184    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
185      this uses a dynamically allocated internal state data structure
186      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
187      and requires a fortran 90 compiler
188    
189    checkpoint59q
190    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
191       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
192    o Refresh tutorial_global_oce_biogeo, notably:
193      - change bathymetry (put back seamounts in ACC, use hFacs)
194      - change EOS (POLY3 --> JMD95Z)
195      - use Bryan-Lewis vertical diffusivity
196      - use multidimensional advection
197      - remove old virtual virtual in dic pkg, now done through ptracer pkg
198      - change a couple of parameters in dic pkg
199    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
200    o pkg/obcs: change default to OBCSfixTopo = .true.,
201      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
202      - replace "debugMode" with "debugLevel .GE. debLevB"
203    o implementation of TAF directives for gchem,cfc,dic
204    o remove "exp5" (replaced by tutorial_deep_convection).
205    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
206      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
207      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
208      --> changes results in exp4, seaice_obcs
209    o tutorial_deep_convection :
210      update the set-up and increase resolution and domain size ; start
211      from pseudo initial conditions = output at t=120mn in order to see
212      something happening when running testreport.
213    o pkg/seaice: add os7mp as an advection scheme
214                  add check for advection schemes
215                  add a flag for restoring T and S underneath sea ice
216    o pkg/my82: add netcdf-support and diagnostics
217    o thsice pkg:
218      - Now hsMax limits snow height by turning it into ice following
219        flooding scheme (and now conserving energy)
220      - Slight rewriting of the formula in thsice_calc_thick.F
221      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
222      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
223    
224    checkpoint59p
225    o gchem / dic / cfc :
226      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
227      - add new parameter files: "data.dic" & "data.cfc" ;
228      - various re-arrangement in initialisation & header file ;
229      - fix tutorial_global_oce_biogeo for multi-threaded test.
230    o pkg/dic: test for "pickup_dic" file when restarting ;
231      if no pickup-file, can restart with a re-initialised pH (same as it did
232      before) providing pickupStrictlyMatch is set to False.
233    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
234      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
235    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
236      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
237    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
238     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
239       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
240    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
241       scheme to use for vorticty-term ;
242     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
243       (with default selectVortScheme, return to original discretisation)
244     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
245    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
246    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
247      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
248      also fix diagnostics VISCAHW & VISCA4W.
249    
250    checkpoint59o
251    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
252    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
253      move a few statemens out the main loop into separate loops
254    o pkg/shelfice:
255      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
256        (kg/m^2/s), does not break tests, because in verification/isomip,
257        rhoConstFresh=rhoConst (by accident)
258      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
259      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
260        new file model/src/seawater.F, so that they are available for all pkgs.
261      - convert potential temperature into in-situ temperature. This changes the
262        isomip tests => update tests
263    o add a flag writePickupAtEnd (default=true) to be able to suppress
264      writing a pickup at the last timestep
265    o tools/mpack-1.6 :
266      - disable automake (not working) and autoconf (not needed).
267      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
268        also cleaner with much less compilation warnings.
269    o pkg/profiles:
270      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
271      (for "less than 32 characters name" compiler requirement)
272    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
273      conditions that have a different sampling frequency than S/T/U/V obcs
274    o pkg/diagnostics (stats-diags):
275      - fix global Min/Max in case 1 processor get only empty tiles
276    o genmake2: replace (4 times)
277         make genmake_tc_1.o >> genmake_warnings 2>&1
278      with
279         COMM="$CC $CFLAGS -c genmake_tc_1.c"
280         echo $COMM >> genmake_warnings
281         $COMM >> genmake_warnings 2>&1
282      to make genmake2 always see the value of CC as specified in the optfile.
283    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
284      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
285      - modify verification advect_cs test to test SOM-advection on CS-grid.
286    o pkg/ctrl:
287      - Rewrite of ctrl_map_ini_ecco.F,
288        introducing a generic routine (ctrl_map_ini_gen.F).
289      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
290    
291    checkpoint59n
292    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
293      number in dedicate array "hdiag":
294      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
295        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
296      - many small changes (integer format) for large number of diagnostics
297      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
298        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
299    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
300      usingSphericalGrid, this allows to define the rotated grid coordinates
301      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
302      geographical coordinates according to the inverse of the rotation defined
303      by the Euler angles, so that Coriolis parameter and online-interpolation by
304      exf works with the geographical coordinates on XC/YC/XG/YG.
305      Naturally, this feature does not work with all packages, so some
306      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
307      profiles), because there the coordinates are assumed to be regular
308      spherical grid coordinates.
309    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
310      - introduce isopycnal diffusion coefficient control.
311    o tools/adjoint_options:
312      - additional control vector components.
313    o pkg/mnc: have mnc create marginally meaning full coordinate variables
314      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
315    o pkg/mypackage:
316      - add example of read/write pickup for state-var ;
317      - add entry points to the main code for state-vars diags & write-pickup.
318    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
319      transitions for useExfYearlyFields
320      - add new subroutine that determines the file to read from for
321        use*YearlyFields = .TRUE. and .FALSE.
322      - add a verification experiment to global_with_exf that tests
323        useExfYearlyFields with USE_EXF_INTERPOLATION defined
324    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
325      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
326      subroutines (which could be generated from a template, because they are
327      almost identical), for now they are included in obcs_prescribe_read.F for
328      simplicity
329    o pkg/exf:
330      - add a little more diagnostic to exf_interp_read (in analogy to
331        mds_read_field, can be turned off with debugLevel < debugLevA=1)
332      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
333        ugly but fast by unrolling short inner loops, inserting a unroll=8
334        directive in routine lagran, and splitting a loop and making do while the
335        outermost loop (the latter requires the intoduction of index arrays)
336    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
337    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
338      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
339    o verification/seaice_obcs: updated for restart test and latest options
340    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
341      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
342      for now this is only available for the C-grid code and also within
343      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
344    
345    checkpoint59m
346    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
347      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
348    o gad_som : fix flux output (& diagnostics) to have same units as other  
349      advection scheme fluxes (was previously multiplied by deltaT).  
350    o added verification/seaice_obcs both to test seaice open boundaries
351      and to provide an example matlab scrpt for generating them
352    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
353    o pkg/salt_plume: clean up salt_plume_frac.F to
354      remove redundancy in PlumeMethod 1 and 4
355    o pkg/kpp: added saltplume diagnostics
356    o pkg/obcs and pkg/seaice:
357      - do not set uice and vice to zero when OB*icefile are unspecified
358      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
359      - moved seaice tracer obcs after call to seaice_growth
360    o pkg/salt_plume: added various options for salt plume depth
361      criterion and for vertical distribution of the salt
362    
363    checkpoint59l
364    o pkg/ptracers: new version of ptracers pickup:
365      read meta file and write only fields which are needed to restart.
366      ( same logic as main pickup file ; also using pickupStrictlyMatch )
367    o pkg/seaice:
368      - add timescale for melting due to warm mixed layer as a means of
369        setting SEAICE_availHeatFrac more conveniently
370      - add a CPP-flag/runtime parameter check for flooding algorithm
371      - reformulated availHeat in seaice_growth.F to be independent of AREA
372    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
373      unit changes
374    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
375    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
376      SX vector computer.
377    o pkg/seaice:
378      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
379        seaice forcing fields can now be read only through pkg/exf
380      - removed some unused halos
381    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
382    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
383      or U/VICE from U/VWIND before computing U/VSTRESS
384    
385    checkpoint59k
386    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
387      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
388    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
389      all experiments pass when compile with un-initialised var. checking option.
390    o added pkg/salt_plume
391    o script to test restart (for now, in MITgcm_contrib/jmc_script)
392    o pkg/seaice: new read/write pickup version.
393      read meta file and write only fields which are needed to restart.
394      ( same logic as main pickup file ; also using pickupStrictlyMatch )
395    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
396    o lab_sea.hb87: modify the domain & update output.hb87.txt :
397      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
398      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
399      process. Fixed here by closing the domain at the Northern boundary.
400    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
401    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
402      a set of consecutive levels in/from a 3-D array.
403    o pkg/ptracers:
404      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
405      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
406    
407    checkpoint59j
408    o in pkgs: dic, obcs, offline, rbcs:
409      standard way to compute coeff. for time interpolation between 2 time reccords
410      which retains full precision (& make results less dependent on compiler).
411      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
412    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
413      packages instead of reading ice cover and wind speed separately
414    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
415     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
416      to allow to compile customized code before the update)
417    o cleaning-up:
418      - fix CPP instruction syntax in pkg/obcs
419      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
420        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
421      - fix some threads issue in IO parts.
422    o pkg/dic:
423      - add tons of "_d 0" (--> much better testreports !)
424       and then update outputs of tutorial_global_oce_biogeo
425    o pkg/mom_fluxform:
426      add a special version of momentum advection intended to conserve momentum
427      next to a bathymetry step or a coastline edge. (default = off = #undef)
428    o new read/write pickup version:
429      - for now, only implemented for main (mdsio) pickup file.
430      - write out only what is needed to restart; merge pickup_nh , pickup_ph
431        and main pickup together.
432      - read meta file; read only what is needed to restart; stop if a field
433        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
434        if it make sense (even if the restart is not perfect).
435      - if no meta file, assume that pickup to read corresponds exactly to
436        a pickup that would currently be written.
437      - read pickup written in the old format (until checkpoint59i) if it
438        recognizes an old meta file (no field-list).
439      - add a meta file in exp. which starts from a pickup: 2 cases:
440        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
441         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
442        b) a meta file describing the content of the associated pickup file
443         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
444    o pkg/mdsio & pkg/rw:
445      - new routine to read a meta file ; new set of routine to read
446        Multiple-fields file (with meta file).
447    o added open boundary conditions capability for seaice
448        HSNOW, HSALT, UICE, and VICE
449    
450    checkpoint59i
451    o adjoint:
452      * fix multiDimAdvection adjoint
453        (partial recomputation problem by TAF for fVerT(:,:,kDown)
454        and comlev1 size definition (maxpass vs. max. number of tracers)
455      * verification/global_ocean.90x45x15 adjoint now tests
456        NLFS and multiDimAdvection using DST3 (=30)
457      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
458    o pkg/kpp: add "_d 0" to real constant (if missing);
459      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
460      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
461    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
462      for internal parameters related to restart process (formerly from PARAMS.h)
463      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
464    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
465      as argument. (only atm2d & obcs write_pickup have not yet been updated)
466    o pkg/monitor:
467      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
468      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
469      - account for deep Atmosphere factor and density factor (anelastic)
470    o added open boundary conditions capability for seaice HEFF and AREA
471    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
472      thermodynamics
473      - requires a little reorganization, which affects the testreport results
474        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
475        so that now the conservative form is tested
476      - add a few comments
477    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
478    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
479    o add new diagnostics to seaice: advective, diffusive fluxes (only for
480      multidim-advection, for scheme 2 they are not filled) and transports,
481      thermodynamic growth rates
482    o change units of EmPmR (inside the code, + within coupling interface)
483      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
484      Affects results @ truncation level (cg2d match) and update output of
485       experiments: lab_sea(6), global_ocean.90x40x15(10),
486      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
487      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
488      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
489      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
490    
491    checkpoint59h
492    o pkg/exf:
493      - improve vectorization by moving if-statement out of loops in
494        exf_mapfields, exf_radiation
495      - exf_bulkformulae.F: introduce 2D fields and vectorize code
496    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
497    o testreport:
498      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
499        monitor & update offline_exf_seaice exp. output.
500      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
501    o pkg/seaice:
502      - bug fix in the evp solver: boundary conditions were affected be
503        masking of zMax/zMin (changes results)
504      - minor bug fix in boundary conditions in seaice_calc_strainrates
505        (changes results for no_slip)
506      - seaice_lsr.F: make interpolation of eta dependent on boundaries
507      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
508      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
509        stress formulation and no-slip boundary conditions
510    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
511      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
512    o pkg/seaice: a first HSALT time stepping equation has been checked in
513    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
514      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
515      without requiring DO-IF statements
516    o pkg/thsice:
517      use continuous power-law function for partition of energy between lateral
518      melting/freezing and thinning/thickening ; old code using step function
519      still available with #undef THSICE_FRACEN_POWERLAW
520      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
521    o testreport: change AD testing : check against results/output_adm.txt
522      using same scripts as for forward test.
523    
524    checkpoint59g
525    o adjoint testing: in preparation for changing testreport:
526      - output format: cost and grad written on separated lines
527      - ad output results in directory "results" (instead of "results_ad")
528    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
529    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
530    o pkg/ecco: allow user defined cost function contributions
531    o testreport:
532      Allow to choose (per experiment) the list of tested output variables
533       and the main variable (used to issue a pass/FAIL ) ;
534      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
535      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
536      Also modify printing of summary:
537       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
538       b) echo the list of tested variables in the individual summary.txt of
539          each experiment.
540    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
541      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
542      (but still depend on the tile decompostion of the domain).
543    o pkg/seaice: change a discretization detail to make the B-grid code
544      "more symmetric". This change is likely to remove all "ridges/leads" that
545      where quasi-aligned with the grid in B-grid solutions. It may also be
546      the solution to the stress coupling issues with the B-grid.
547    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
548      remove .cvsignore from input dir. (since testreport no longer run here).
549    o pkg/thsice:
550     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
551     - fix reshaping of sea-ice just after advection:
552       melt all the ice only if ice-volume is too small.
553     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
554       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
555     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
556    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
557      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
558    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
559      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
560      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
561      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
562      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
563      -> update output.txt
564    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
565     this affects truncation error: -> update output.txt of exp:
566      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
567      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
568    
569    checkpoint59f
570    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
571    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
572      a bounded range (in forward mode)
573    o pkg/ecco, ctrl, autodiff and mom_common:
574     internal parameter controls, completements of implementations
575    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
576    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
577      (not seem any difference in testing results).
578    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
579       at face corners.
580    o pkg/generic_advdiff:
581     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
582      loop range indices for computing vertical advection tendency
583      and do the calculation in the interior only (no overlap) ;
584      for now, only implemented for SOM advection (to save CPU time).
585     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
586    o exch2 adjoint
587      First set of changes:
588      - add exch2 hand-written adjoint templates
589      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
590        This will require cleanup in pkg/autodiff/*.F
591        (changed routines currently kept separate in verif. code/)
592      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
593        that used to hide exch2 or cubed-sphere specific code
594        (commented via 'cph-exch2')
595    o pkg/seaice
596      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
597    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
598       output of global_ocean.cs32x15.thsice .
599    
600    checkpoint59e
601    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
602      for B-grid vector (not yet tested) and C-grid vector (<- only used
603      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
604    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
605      (#ifdef ALLOW_SALT_PLUME)
606    o gather_2d/scatter_2d: removed halo regions
607    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
608      scheme and the corresponding test case (under front_relax dir). For now,
609      only available with Skew-flux form and not yet tested in realistic set-up.
610      adjoint: store directives updated, but gradient checks deteriorated,
611      so maybe GM/Redi adjoint is now broken.
612    o seaice adjoint
613      * add AREA, HEFF, HSNOW as control variable
614        (should not change lab_sea results)
615      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
616    o pkg/seaice:
617      * added computation of saltFlux in seaice_growth;
618        For time being, sea ice salinity is assumed constant
619        contribution of snow flooding to freshening of sea ice is neglected.
620        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
621        defaults to 0.0 in order to maintain backward compatibility.
622        Typical values for SEAICE_salinity are 4 to 10 g/kg.
623      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
624      * added SEAICE_availHeatFrac, which specifies fraction of surface level
625        heat content used to melt or grow ice
626      * commented out cap of HICE: it helps keep ice thinner
627      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
628      * applied OBCS T/S mask to HEFFM sea ice mask
629    
630    checkpoint59d
631    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
632     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
633     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
634    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
635     and change default value of parameter "GM_Small_Number";
636     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
637       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
638       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
639    o pkg/ecco: cost function when applying pkg/smooth to controls
640    o pkg/ctrl: add forcingPrecond run time parameter
641    o pkg/seaice:
642     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
643     - fix bug in metric terms of u-equation in LSR solver (implicit part),
644       changes verification/lab_sea
645     - rearrange implicit part of u-equation in LSR solver to make it easier to
646       read, understand, and debug. This causes changes at the truncation level.
647     - fix (serious) bug in the boundary conditions (sign error in the implicit
648       part) of the LSR solver. Changes all LSR results.
649     - fixed problem with HSNOW initialization to avoid thick snow when AREA
650       is initilized with small values - does not change lab_sea results.
651     - added HsnowFile initialization capability
652    o pkg/smooth: addition to model/src and pkg/ctrl so allow
653     initialization of pkg/smooth and application to control vector
654    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
655    o dependencies: pkg/profiles requires pkg/cal
656    o pkg/profiles:
657     - added option ALLOW_PROFILES_GENERICGRID
658         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
659         that interpolation information (grid points and coefficients) is provided
660         within the netcdf input files.
661         -> sample matlab scripts can be found in MITgcm_contrib/gael
662         that allow you to prepare netcdf input files.
663     - also modified: cleaner include statements, cleaner error print statements,
664       cleaner stops when error, and more tests of the netcdf input files consistency.
665    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
666    o pkg/seaice:
667     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
668       requires a new routine: seaice_diagnostics_fill.F
669     - make sure that seaice does not move if not forced (pressure replacement
670       method, Hibler and Ip, 1995), changes results
671     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
672     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
673       It is turned off by default (=-1.), because it changes the results.
674     - make it possible to read AREA from a file, too.
675    
676    checkpoint59c
677    o add S/R and diagnostics for oceanic mixed-layer depth
678    o move GMRedi call after all vertical mixing schemes (including KPP)
679    o pkg/thsice:
680     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
681      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
682    o pkg/obcs:
683     - bug fix for balance code
684    o pkg/seaice:
685      - allow values of SEAICE_elasticParm > 1
686      - add new parameter SEAICE_evpTauRelax as an alternative
687        to SEAICE_elasticParm
688      - make lsr boundary conditions free slip (by default), changes result
689      - add code for no slip boundary conditions for lsr
690      - set minimum of zeta to zero (and not 4e8) (changes results)
691      - add a cap on AREA after advecting AREA if seaice_growth is not called
692    o change calculation of Visbeck K:
693      - no longer depend on tapering scheme; instead, compute slope (limited
694        by GM_maxSlope). this is equivalent to what was comuted before with
695        clipping or linear tappering.
696      - fix vertical averaging (wrong by 1/2 level)
697      - leave the old version (but will not be maintained) within
698        #ifdef OLD_VISBECK_CALC / #endif
699      - update output of exp. ideal_2D_oce
700    o change error catch in calc_r_star to improve vectorization
701    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
702      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
703    o adjoint:
704      Re-organized adjoint checkpointing according to Matt Mazloff
705      (but with modifs/completions/cleanups)
706      Storing is now bundled into large arrays to optimized I/O
707      (and second step in cleanup of the_main_loop)
708    
709    checkpoint59b
710    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
711      - export/import (between ocean & coupler) fields needed for ocean DIC.
712    o pkg/seaice:
713      - get rid of three more exchanges seaice_calc_viscosities (required
714        different loop boundaries in seaice_lsr and seaice_ocean_stress)
715      - bug fix in seaice_ocean_stress (update of lab_sea required)
716      - reduce loop boundaries to necessary minimum also in seaice_evp
717      - go back to the old way of computing deltaC/Z as the adjoint likes that
718        better
719    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
720      passive tracer to an Age Tracer) + update output.txt
721    o pkg/exf:
722      - implement A-grid / C-grid selection for wind-stress input files.
723      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
724      for now, in exf_bulk_largeyeager04.F only :
725      - change implementation for case where windspeed + 2. components wind-stress
726        are read-in. AND use rhoConstFresh to convert evap.
727    o pkg/seaice:
728      - use correct EXCH_UV for wind-forcing (on A-grid).
729      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
730        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
731    o pkg/exf:
732      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
733      EXF_INTERPOLATION:
734      - merge global_with_exf/code version of exf_interp_read.F
735        to the main code ;
736      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
737        reading the file ; Important: This options needs to be defined to recover
738        previous code.
739        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
740      - no longer loose real*8 precision along the way when using exf_iprec=64.
741    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
742      - change discretisation of evp-solver in order to avoid another exchange
743        (changes lab_sea) and clean up a little
744      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
745        help the adjoint (this also changes the results slightly)
746      - add a few "_d 0" where they had been missing in seaice_evp.F
747      - cleaning up: remove unused seaice_calc_rhs.F
748    o pkg/exf: some cleaning-up:
749      - change various "constants" into runtime parameters
750      - cleaned-up Large&Yeager04 routine which should eventually
751        replace exf_bulkformulae.F (changed names of S/R and CPP)
752        and merged various ALLOW_ATM_WIND options
753     only used with thsice pkg (in thsice_get_exf.F):
754      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
755        which are used when useStabilityFct_overIce=TRUE (= the default)
756      - change default values of ice & snow emissivity and scale downward LW
757        by ice & snow emissivity.
758    o pkg/thsice:
759     fix few little problems, in thsice_calc_thickn.F:
760      - growth vertically (and not laterally) if iceFrac == iceMaskMax
761      - melt only laterally if hIce < hThinIce (as the comments say)
762      and in thsice_extend.F:
763      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
764      - start to form ice as soon as the minimum ice-volume is reachable.
765     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
766      and cpl_aim+ocn
767    o pkg/kpp
768     - move computation of surface related input fields to KPP into a new
769       subroutine kpp_forcing_surf.F
770     - remove wrong (within bi,bj loops) EXCH calls.
771     - little cleaning (add argument myThid in last position, cvs header ...)
772     - for now, fix conservation problem by exchanging KPPviscAz (may not
773       be the best fix)
774    o pkg/seaice
775     - check for inconsistent evp parameter/cpp-flag combination
776     - remove leftover errIO flat for obsolete name list error handling
777    o OpenAD
778     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
779    
780    checkpoint59a
781    o pkg/seaice: some parameter clarifications and a little bit of clean up
782    o pkg/thsice: rename run-time parameters:
783       himin       -> hIceMin
784       himin0      -> hThinIce
785       hihig       -> hThickIce
786       i0          -> i0swFrac
787       transCoef   -> bMeltCoef
788       frac_energy -> fracMelting
789      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
790       with default values (for now) that do not change the results.
791      remove old version of thsice vars advection in pkg/seaice.
792    o in FFIELDS.h:
793      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
794      - make pLoad & sIceLoad always available (but still only used if
795         ATMOSPHERIC_LOADING is #define).
796    o pkg/kpp: replaced _KPP_RL with _RL
797    o bug fixes for vertical diffusivity computations when both KPP and
798        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
799        are no longer updating the vertical diffusivity array
800        (passed as argument) but are (re-) setting those arrays.
801    o pkg/seaice: fix bug in evp solver, while doing that
802      - change (improve?) discretization of stress computations for both
803        cgrid-lsr and evp solver
804      - add a new routine to compute strain rates
805      - the above changes lab_sea results
806      - add no slip conditions for evp solver (off by default), lsr-version
807        may follow
808      - fix exchange for shear at Z-points (does not change lab_sea)
809      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
810        (to force the user to pick a time step since there is not "safe" way
811        of choosing it)
812      - add principal stress diagnostics
813      - rearrange fields for evp a little to avoid having to call a: too many
814        exchanges and b: exchanges for stress trensor components which we do
815        not have.
816      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
817        of evp, complete rewrite for lsr case (latter is does not yet work
818        in all cases)
819    o pkg/kpp: add code to have mixing in shelf ice caverns
820      - add myThid to all kpp routines (long overdue)
821    
822    checkpoint59
823    o pkg/exf:
824      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
825        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
826      - move exf header files from lower_case.h to UPPER_CASE.h ;
827        add missing cvs Header & Name
828      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
829      - add namelist param. selectStressGridPosition, exf_monFreq
830      - retire many _CLIM routines, and remove data.exf_clim
831        + params moved to data.exf
832        + climsst, climsss now handled by exf_set_gen, i.e.
833          climss?period=0 refers to constant field,
834          climss?period=-12 to monthly forcing
835      - split up namelists in data.exf
836    o pkg/seaice:
837      - remove seaice_exch and seaice_exch_uv
838      - remove superfluous exchange of theta
839      - add myThid to seaice_budget_ocean/ice
840      - add new interface for atmospheric wind forcing (C-grid only)
841        + new routine
842        + two new field (taux, tauy for stress over ice)
843        + removed one global field (DAIRN) for C-grid case only
844    o pkg/thsise
845      - 2nd set of modifs for thsice adjoint in conjunction with exf
846    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
847    
848    checkpoint58y_post
849    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
850      vertical diffusivity, similar to that in MOM4; turned on using
851      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
852      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
853    o Added capability for 3D specification of background vertical diffusion
854      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
855      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
856      "data" file that contains the 3D vertical diffusivity coefficients.
857    o ice dynamics (pkg/seaice) with thsice thermodynamics:
858      - add code within pkg thsice to advect & diffuse sea-ice fields
859      similar to (and will replace) what has been added in  seaice_advdiff.F,
860      but: - conserving Mass, Heat & Salt.
861           - better when using non-linear advection scheme (not yet fully tested)
862           - can also be used in atmospheric set-up (for now, only the diffusion).
863    
864    checkpoint58x_post
865    o IO option for global-file compact format:
866      - add options when generating topology (utils/exch2/matlab-topology-generator)
867      - add I/O capability (pkg/mdsio).
868      - adapt utils/matlab/rdmds.m to read this format.
869      for now long-line format not yet supported by pkg/mdsio (& exch2).
870    o shelfice: add a few diagnostics
871    
872    checkpoint58w_post
873    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
874      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
875      (and replace horiVertRatio in NH code).
876      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
877                         and tutorial_plume_on_slope (sensitive to truncation)
878    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
879      directly to drive seaice model (C-grid only)
880    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
881     - reintroduce computation of wind from stress,
882     - compute tau (in exf_bulkformulae.F) from windstress averaged to
883       mass points to avoid tau = 0
884     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
885    o rdmnc.m: make it work with "global" files created with gluemnc
886    o rdmnc.m : some improvements in dealing with singleton dimension
887      (tested on all testreport mnc output files).
888    o genmake2: disable pkg/profiles if netcdf test fails.
889    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
890    o move call to cal_readparms up to make calendar parameters/variable available
891      to all packages
892    
893    checkpoint58v_post
894    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
895      useDynP_inEos_Zc tested.
896    o pkg/exf: changes to properly interpolate/mask/scale initial fields
897    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
898      and portions thereof.  See read_cs.txt for description and examples.
899    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
900      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
901      following the great-circle arc between those 2 points.
902    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
903      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
904    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
905     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
906     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
907     - still needs work (not working with some options ; efficiency to improve)
908       and serious testing.
909     - use this scheme for temperature & salinity in 2 advection test exp.:
910       advect_xy & advect_xz, respectively.
911    
912    checkpoint58u_post
913    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
914    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
915    o testreport: add option "-skipdir" to skip some test.
916    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
917      momentum calculation.
918    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
919    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
920      remove checkpoint.F and the_correction_step.F (no longer used);
921      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
922    o add option (linFSConserveTr) to correct for tracer source/sink due to
923      Linear Free surface
924    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
925    o pkg/thsice: fix reading mnc-pickups
926    
927    checkpoint58t_post
928    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
929    o pkg/mdsio:
930     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
931       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
932       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
933     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
934     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
935       either MDS_READ_FIELD or MDS_WRITE_FIELD )
936     - new S/R (to replace MDSWRITEMETA), which allows to write more
937       informations (variable names, time ...) to meta files.
938     - modify rdmds.m to give back the meta file content.
939    o pkg/diagnostics: change vertical interpolation to be safer, and more
940       flexible (define p-levels to interpolate to in data.diagnostics);
941      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
942       diagnostic pointer.
943    o pkg/seaice: more cleaning up of seaice_growth, added many comments
944    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
945    o fix multi-category seaice:
946     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
947       SEAICE_MULTICATEGORY
948     - fix short wave heat flux
949    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
950       and allow to use EVP solver. Change forward lab_sea: test both EVP
951       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
952    o Initial check-in of lab_sea adjoint
953      (very similar to natl_box_adjoint/code_seaice)
954      * used C-grid and EVP solver
955      * used KPP, GM/Redi
956      * uses inAdExact=.TRUE.
957      * gradient checks fail for both ADM and TLM
958        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
959        f.d. gradients actually seem more problematic than ADM, TLM gradients;
960        issue is related to forward mismatch between g77 an ifort
961    o pkg/seaice: overhaul of thermodynamics
962     - growth.F and groatb.F are replaced by new routine seaice_growth.F
963     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
964     - move a few global fields out of SEAICE.h into seaice_growth.F and
965       make them 2D (FICE/QNETO/ ...)
966     - remove FO (it is the same as QNETO)
967     - introduce a few local fields to avoid modifying external fields such
968       as atemp, etc.
969    
970    checkpoint58s_post
971    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
972      changed exf_set_gen.F so that
973        genperiod=0 means input file is one time-constant field and
974        genperiod=-12 means input file contains 12 monthly means
975    o CG2D: use pre-computed solver main-diagonal (stored in common block);
976      this affects truncation error ; generate new output file for exp. which
977      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
978        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
979        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
980        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
981        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
982        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
983    o start implementation of deep-atmosphere and anelastic formulation
984    o verification: remove 2nd copy of input files and use script "prepare_run"
985      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
986    o mom_common/vecinv/fluxform: fix a few initialisation isssues
987    o profiles: fix for multithreaded case
988    
989  o diagnostics: rename few diags:  o diagnostics: rename few diags:
990    s/'PRESSURE'/'RCENTER '/g    s/'PRESSURE'/'RCENTER '/g
991    s/'TICE    '/'oceFreez'/g    s/'TICE    '/'oceFreez'/g

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