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revision 1.712 by jmc, Wed Aug 9 16:02:19 2006 UTC revision 1.1000 by gforget, Wed Jun 11 18:31:22 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 pkg/autodiff: more flexibility in zeroadj.
8      model/src: modifying do_oceanic_phys.F accordingly.
9    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
10    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
11      special setup of gmredi for which the adjoint is stable
12      enough for parameter optimization.
13    o bridging the gap between eddy stress and GM.
14      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
15          along with a change in CPP option (now ALLOW_EDDYPSI).
16      -> when using GM w/ GM_AdvForm:
17          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
18          is applied either in the tracer Eq. or in momentum Eq.
19          depending on data.gmredi (intro. GM_InMomAsStress).
20      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
21      The key modifications are in model/src/taueddy_external_forcing.F
22      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
23    checkpoint59r
24    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
25      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
26      fix option to read coriolis(@ cell-corner) from files with CS-grid.
27    o pkg/mnc: add some attributes to standard 1D-coordinate variables
28    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
29      mass points, when using mnc for output
30      - add runtime parameter (missing_value, missing_value_int) to override
31        default (which is the value of getcon('UNDEF'))
32    o pkg/mnc: prepare mnc for the actual use of missing values with the
33      diagnostics package: small fix in mnc_cw_readwrite.template and more
34      initialisation of never used fields
35      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
36      versions
37    o pkg/thsice/thsice_ini_vars.F added default initial values so that
38      thermodynamics sea ice solver does not blow up when some initial fields
39      are missing.
40    o move from external_forcing_surf.F to ini_forcing.F
41      the p-coord. hack consisting in using pLoad to set phi0surf ;
42      update output of tutorial_global_oce_in_p (affected @ truncation level).
43    o Freshen up a bit hs94.1x64x5, notably:
44      remove rotationPeriod and tRef=5*0. (adjoint only), and add
45      exactConserv=.TRUE.
46    o pkg/generic_advdiff:
47      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
48      applies to files where Temperature & Salinity 2nd Order moments are used.
49    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
50      this uses a dynamically allocated internal state data structure
51      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
52      and requires a fortran 90 compiler
53    
54    checkpoint59q
55    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
56       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
57    o Refresh tutorial_global_oce_biogeo, notably:
58      - change bathymetry (put back seamounts in ACC, use hFacs)
59      - change EOS (POLY3 --> JMD95Z)
60      - use Bryan-Lewis vertical diffusivity
61      - use multidimensional advection
62      - remove old virtual virtual in dic pkg, now done through ptracer pkg
63      - change a couple of parameters in dic pkg
64    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
65    o pkg/obcs: change default to OBCSfixTopo = .true.,
66      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
67      - replace "debugMode" with "debugLevel .GE. debLevB"
68    o implementation of TAF directives for gchem,cfc,dic
69    o remove "exp5" (replaced by tutorial_deep_convection).
70    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
71      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
72      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
73      --> changes results in exp4, seaice_obcs
74    o tutorial_deep_convection :
75      update the set-up and increase resolution and domain size ; start
76      from pseudo initial conditions = output at t=120mn in order to see
77      something happening when running testreport.
78    o pkg/seaice: add os7mp as an advection scheme
79                  add check for advection schemes
80                  add a flag for restoring T and S underneath sea ice
81    o pkg/my82: add netcdf-support and diagnostics
82    o thsice pkg:
83      - Now hsMax limits snow height by turning it into ice following
84        flooding scheme (and now conserving energy)
85      - Slight rewriting of the formula in thsice_calc_thick.F
86      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
87      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
88    
89    checkpoint59p
90    o gchem / dic / cfc :
91      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
92      - add new parameter files: "data.dic" & "data.cfc" ;
93      - various re-arrangement in initialisation & header file ;
94      - fix tutorial_global_oce_biogeo for multi-threaded test.
95    o pkg/dic: test for "pickup_dic" file when restarting ;
96      if no pickup-file, can restart with a re-initialised pH (same as it did
97      before) providing pickupStrictlyMatch is set to False.
98    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
99      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
100    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
101      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
102    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
103     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
104       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
105    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
106       scheme to use for vorticty-term ;
107     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
108       (with default selectVortScheme, return to original discretisation)
109     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
110    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
111    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
112      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
113      also fix diagnostics VISCAHW & VISCA4W.
114    
115    checkpoint59o
116    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
117    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
118      move a few statemens out the main loop into separate loops
119    o pkg/shelfice:
120      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
121        (kg/m^2/s), does not break tests, because in verification/isomip,
122        rhoConstFresh=rhoConst (by accident)
123      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
124      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
125        new file model/src/seawater.F, so that they are available for all pkgs.
126      - convert potential temperature into in-situ temperature. This changes the
127        isomip tests => update tests
128    o add a flag writePickupAtEnd (default=true) to be able to suppress
129      writing a pickup at the last timestep
130    o tools/mpack-1.6 :
131      - disable automake (not working) and autoconf (not needed).
132      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
133        also cleaner with much less compilation warnings.
134    o pkg/profiles:
135      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
136      (for "less than 32 characters name" compiler requirement)
137    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
138      conditions that have a different sampling frequency than S/T/U/V obcs
139    o pkg/diagnostics (stats-diags):
140      - fix global Min/Max in case 1 processor get only empty tiles
141    o genmake2: replace (4 times)
142         make genmake_tc_1.o >> genmake_warnings 2>&1
143      with
144         COMM="$CC $CFLAGS -c genmake_tc_1.c"
145         echo $COMM >> genmake_warnings
146         $COMM >> genmake_warnings 2>&1
147      to make genmake2 always see the value of CC as specified in the optfile.
148    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
149      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
150      - modify verification advect_cs test to test SOM-advection on CS-grid.
151    o pkg/ctrl:
152      - Rewrite of ctrl_map_ini_ecco.F,
153        introducing a generic routine (ctrl_map_ini_gen.F).
154      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
155    
156    checkpoint59n
157    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
158      number in dedicate array "hdiag":
159      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
160        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
161      - many small changes (integer format) for large number of diagnostics
162      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
163        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
164    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
165      usingSphericalGrid, this allows to define the rotated grid coordinates
166      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
167      geographical coordinates according to the inverse of the rotation defined
168      by the Euler angles, so that Coriolis parameter and online-interpolation by
169      exf works with the geographical coordinates on XC/YC/XG/YG.
170      Naturally, this feature does not work with all packages, so some
171      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
172      profiles), because there the coordinates are assumed to be regular
173      spherical grid coordinates.
174    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
175      - introduce isopycnal diffusion coefficient control.
176    o tools/adjoint_options:
177      - additional control vector components.
178    o pkg/mnc: have mnc create marginally meaning full coordinate variables
179      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
180    o pkg/mypackage:
181      - add example of read/write pickup for state-var ;
182      - add entry points to the main code for state-vars diags & write-pickup.
183    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
184      transitions for useExfYearlyFields
185      - add new subroutine that determines the file to read from for
186        use*YearlyFields = .TRUE. and .FALSE.
187      - add a verification experiment to global_with_exf that tests
188        useExfYearlyFields with USE_EXF_INTERPOLATION defined
189    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
190      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
191      subroutines (which could be generated from a template, because they are
192      almost identical), for now they are included in obcs_prescribe_read.F for
193      simplicity
194    o pkg/exf:
195      - add a little more diagnostic to exf_interp_read (in analogy to
196        mds_read_field, can be turned off with debugLevel < debugLevA=1)
197      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
198        ugly but fast by unrolling short inner loops, inserting a unroll=8
199        directive in routine lagran, and splitting a loop and making do while the
200        outermost loop (the latter requires the intoduction of index arrays)
201    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
202    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
203      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
204    o verification/seaice_obcs: updated for restart test and latest options
205    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
206      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
207      for now this is only available for the C-grid code and also within
208      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
209    
210    checkpoint59m
211    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
212      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
213    o gad_som : fix flux output (& diagnostics) to have same units as other  
214      advection scheme fluxes (was previously multiplied by deltaT).  
215    o added verification/seaice_obcs both to test seaice open boundaries
216      and to provide an example matlab scrpt for generating them
217    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
218    o pkg/salt_plume: clean up salt_plume_frac.F to
219      remove redundancy in PlumeMethod 1 and 4
220    o pkg/kpp: added saltplume diagnostics
221    o pkg/obcs and pkg/seaice:
222      - do not set uice and vice to zero when OB*icefile are unspecified
223      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
224      - moved seaice tracer obcs after call to seaice_growth
225    o pkg/salt_plume: added various options for salt plume depth
226      criterion and for vertical distribution of the salt
227    
228    checkpoint59l
229    o pkg/ptracers: new version of ptracers pickup:
230      read meta file and write only fields which are needed to restart.
231      ( same logic as main pickup file ; also using pickupStrictlyMatch )
232    o pkg/seaice:
233      - add timescale for melting due to warm mixed layer as a means of
234        setting SEAICE_availHeatFrac more conveniently
235      - add a CPP-flag/runtime parameter check for flooding algorithm
236      - reformulated availHeat in seaice_growth.F to be independent of AREA
237    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
238      unit changes
239    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
240    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
241      SX vector computer.
242    o pkg/seaice:
243      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
244        seaice forcing fields can now be read only through pkg/exf
245      - removed some unused halos
246    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
247    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
248      or U/VICE from U/VWIND before computing U/VSTRESS
249    
250    checkpoint59k
251    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
252      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
253    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
254      all experiments pass when compile with un-initialised var. checking option.
255    o added pkg/salt_plume
256    o script to test restart (for now, in MITgcm_contrib/jmc_script)
257    o pkg/seaice: new read/write pickup version.
258      read meta file and write only fields which are needed to restart.
259      ( same logic as main pickup file ; also using pickupStrictlyMatch )
260    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
261    o lab_sea.hb87: modify the domain & update output.hb87.txt :
262      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
263      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
264      process. Fixed here by closing the domain at the Northern boundary.
265    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
266    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
267      a set of consecutive levels in/from a 3-D array.
268    o pkg/ptracers:
269      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
270      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
271    
272    checkpoint59j
273    o in pkgs: dic, obcs, offline, rbcs:
274      standard way to compute coeff. for time interpolation between 2 time reccords
275      which retains full precision (& make results less dependent on compiler).
276      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
277    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
278      packages instead of reading ice cover and wind speed separately
279    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
280     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
281      to allow to compile customized code before the update)
282    o cleaning-up:
283      - fix CPP instruction syntax in pkg/obcs
284      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
285        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
286      - fix some threads issue in IO parts.
287    o pkg/dic:
288      - add tons of "_d 0" (--> much better testreports !)
289       and then update outputs of tutorial_global_oce_biogeo
290    o pkg/mom_fluxform:
291      add a special version of momentum advection intended to conserve momentum
292      next to a bathymetry step or a coastline edge. (default = off = #undef)
293    o new read/write pickup version:
294      - for now, only implemented for main (mdsio) pickup file.
295      - write out only what is needed to restart; merge pickup_nh , pickup_ph
296        and main pickup together.
297      - read meta file; read only what is needed to restart; stop if a field
298        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
299        if it make sense (even if the restart is not perfect).
300      - if no meta file, assume that pickup to read corresponds exactly to
301        a pickup that would currently be written.
302      - read pickup written in the old format (until checkpoint59i) if it
303        recognizes an old meta file (no field-list).
304      - add a meta file in exp. which starts from a pickup: 2 cases:
305        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
306         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
307        b) a meta file describing the content of the associated pickup file
308         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
309    o pkg/mdsio & pkg/rw:
310      - new routine to read a meta file ; new set of routine to read
311        Multiple-fields file (with meta file).
312    o added open boundary conditions capability for seaice
313        HSNOW, HSALT, UICE, and VICE
314    
315    checkpoint59i
316    o adjoint:
317      * fix multiDimAdvection adjoint
318        (partial recomputation problem by TAF for fVerT(:,:,kDown)
319        and comlev1 size definition (maxpass vs. max. number of tracers)
320      * verification/global_ocean.90x45x15 adjoint now tests
321        NLFS and multiDimAdvection using DST3 (=30)
322      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
323    o pkg/kpp: add "_d 0" to real constant (if missing);
324      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
325      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
326    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
327      for internal parameters related to restart process (formerly from PARAMS.h)
328      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
329    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
330      as argument. (only atm2d & obcs write_pickup have not yet been updated)
331    o pkg/monitor:
332      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
333      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
334      - account for deep Atmosphere factor and density factor (anelastic)
335    o added open boundary conditions capability for seaice HEFF and AREA
336    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
337      thermodynamics
338      - requires a little reorganization, which affects the testreport results
339        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
340        so that now the conservative form is tested
341      - add a few comments
342    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
343    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
344    o add new diagnostics to seaice: advective, diffusive fluxes (only for
345      multidim-advection, for scheme 2 they are not filled) and transports,
346      thermodynamic growth rates
347    o change units of EmPmR (inside the code, + within coupling interface)
348      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
349      Affects results @ truncation level (cg2d match) and update output of
350       experiments: lab_sea(6), global_ocean.90x40x15(10),
351      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
352      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
353      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
354      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
355    
356    checkpoint59h
357    o pkg/exf:
358      - improve vectorization by moving if-statement out of loops in
359        exf_mapfields, exf_radiation
360      - exf_bulkformulae.F: introduce 2D fields and vectorize code
361    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
362    o testreport:
363      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
364        monitor & update offline_exf_seaice exp. output.
365      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
366    o pkg/seaice:
367      - bug fix in the evp solver: boundary conditions were affected be
368        masking of zMax/zMin (changes results)
369      - minor bug fix in boundary conditions in seaice_calc_strainrates
370        (changes results for no_slip)
371      - seaice_lsr.F: make interpolation of eta dependent on boundaries
372      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
373      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
374        stress formulation and no-slip boundary conditions
375    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
376      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
377    o pkg/seaice: a first HSALT time stepping equation has been checked in
378    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
379      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
380      without requiring DO-IF statements
381    o pkg/thsice:
382      use continuous power-law function for partition of energy between lateral
383      melting/freezing and thinning/thickening ; old code using step function
384      still available with #undef THSICE_FRACEN_POWERLAW
385      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
386    o testreport: change AD testing : check against results/output_adm.txt
387      using same scripts as for forward test.
388    
389    checkpoint59g
390    o adjoint testing: in preparation for changing testreport:
391      - output format: cost and grad written on separated lines
392      - ad output results in directory "results" (instead of "results_ad")
393    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
394    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
395    o pkg/ecco: allow user defined cost function contributions
396    o testreport:
397      Allow to choose (per experiment) the list of tested output variables
398       and the main variable (used to issue a pass/FAIL ) ;
399      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
400      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
401      Also modify printing of summary:
402       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
403       b) echo the list of tested variables in the individual summary.txt of
404          each experiment.
405    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
406      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
407      (but still depend on the tile decompostion of the domain).
408    o pkg/seaice: change a discretization detail to make the B-grid code
409      "more symmetric". This change is likely to remove all "ridges/leads" that
410      where quasi-aligned with the grid in B-grid solutions. It may also be
411      the solution to the stress coupling issues with the B-grid.
412    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
413      remove .cvsignore from input dir. (since testreport no longer run here).
414    o pkg/thsice:
415     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
416     - fix reshaping of sea-ice just after advection:
417       melt all the ice only if ice-volume is too small.
418     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
419       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
420     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
421    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
422      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
423    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
424      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
425      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
426      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
427      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
428      -> update output.txt
429    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
430     this affects truncation error: -> update output.txt of exp:
431      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
432      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
433    
434    checkpoint59f
435    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
436    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
437      a bounded range (in forward mode)
438    o pkg/ecco, ctrl, autodiff and mom_common:
439     internal parameter controls, completements of implementations
440    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
441    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
442      (not seem any difference in testing results).
443    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
444       at face corners.
445    o pkg/generic_advdiff:
446     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
447      loop range indices for computing vertical advection tendency
448      and do the calculation in the interior only (no overlap) ;
449      for now, only implemented for SOM advection (to save CPU time).
450     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
451    o exch2 adjoint
452      First set of changes:
453      - add exch2 hand-written adjoint templates
454      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
455        This will require cleanup in pkg/autodiff/*.F
456        (changed routines currently kept separate in verif. code/)
457      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
458        that used to hide exch2 or cubed-sphere specific code
459        (commented via 'cph-exch2')
460    o pkg/seaice
461      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
462    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
463       output of global_ocean.cs32x15.thsice .
464    
465    checkpoint59e
466    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
467      for B-grid vector (not yet tested) and C-grid vector (<- only used
468      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
469    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
470      (#ifdef ALLOW_SALT_PLUME)
471    o gather_2d/scatter_2d: removed halo regions
472    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
473      scheme and the corresponding test case (under front_relax dir). For now,
474      only available with Skew-flux form and not yet tested in realistic set-up.
475      adjoint: store directives updated, but gradient checks deteriorated,
476      so maybe GM/Redi adjoint is now broken.
477    o seaice adjoint
478      * add AREA, HEFF, HSNOW as control variable
479        (should not change lab_sea results)
480      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
481    o pkg/seaice:
482      * added computation of saltFlux in seaice_growth;
483        For time being, sea ice salinity is assumed constant
484        contribution of snow flooding to freshening of sea ice is neglected.
485        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
486        defaults to 0.0 in order to maintain backward compatibility.
487        Typical values for SEAICE_salinity are 4 to 10 g/kg.
488      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
489      * added SEAICE_availHeatFrac, which specifies fraction of surface level
490        heat content used to melt or grow ice
491      * commented out cap of HICE: it helps keep ice thinner
492      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
493      * applied OBCS T/S mask to HEFFM sea ice mask
494    
495    checkpoint59d
496    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
497     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
498     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
499    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
500     and change default value of parameter "GM_Small_Number";
501     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
502       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
503       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
504    o pkg/ecco: cost function when applying pkg/smooth to controls
505    o pkg/ctrl: add forcingPrecond run time parameter
506    o pkg/seaice:
507     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
508     - fix bug in metric terms of u-equation in LSR solver (implicit part),
509       changes verification/lab_sea
510     - rearrange implicit part of u-equation in LSR solver to make it easier to
511       read, understand, and debug. This causes changes at the truncation level.
512     - fix (serious) bug in the boundary conditions (sign error in the implicit
513       part) of the LSR solver. Changes all LSR results.
514     - fixed problem with HSNOW initialization to avoid thick snow when AREA
515       is initilized with small values - does not change lab_sea results.
516     - added HsnowFile initialization capability
517    o pkg/smooth: addition to model/src and pkg/ctrl so allow
518     initialization of pkg/smooth and application to control vector
519    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
520    o dependencies: pkg/profiles requires pkg/cal
521    o pkg/profiles:
522     - added option ALLOW_PROFILES_GENERICGRID
523         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
524         that interpolation information (grid points and coefficients) is provided
525         within the netcdf input files.
526         -> sample matlab scripts can be found in MITgcm_contrib/gael
527         that allow you to prepare netcdf input files.
528     - also modified: cleaner include statements, cleaner error print statements,
529       cleaner stops when error, and more tests of the netcdf input files consistency.
530    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
531    o pkg/seaice:
532     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
533       requires a new routine: seaice_diagnostics_fill.F
534     - make sure that seaice does not move if not forced (pressure replacement
535       method, Hibler and Ip, 1995), changes results
536     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
537     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
538       It is turned off by default (=-1.), because it changes the results.
539     - make it possible to read AREA from a file, too.
540    
541    checkpoint59c
542    o add S/R and diagnostics for oceanic mixed-layer depth
543    o move GMRedi call after all vertical mixing schemes (including KPP)
544    o pkg/thsice:
545     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
546      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
547    o pkg/obcs:
548     - bug fix for balance code
549    o pkg/seaice:
550      - allow values of SEAICE_elasticParm > 1
551      - add new parameter SEAICE_evpTauRelax as an alternative
552        to SEAICE_elasticParm
553      - make lsr boundary conditions free slip (by default), changes result
554      - add code for no slip boundary conditions for lsr
555      - set minimum of zeta to zero (and not 4e8) (changes results)
556      - add a cap on AREA after advecting AREA if seaice_growth is not called
557    o change calculation of Visbeck K:
558      - no longer depend on tapering scheme; instead, compute slope (limited
559        by GM_maxSlope). this is equivalent to what was comuted before with
560        clipping or linear tappering.
561      - fix vertical averaging (wrong by 1/2 level)
562      - leave the old version (but will not be maintained) within
563        #ifdef OLD_VISBECK_CALC / #endif
564      - update output of exp. ideal_2D_oce
565    o change error catch in calc_r_star to improve vectorization
566    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
567      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
568    o adjoint:
569      Re-organized adjoint checkpointing according to Matt Mazloff
570      (but with modifs/completions/cleanups)
571      Storing is now bundled into large arrays to optimized I/O
572      (and second step in cleanup of the_main_loop)
573    
574    checkpoint59b
575    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
576      - export/import (between ocean & coupler) fields needed for ocean DIC.
577    o pkg/seaice:
578      - get rid of three more exchanges seaice_calc_viscosities (required
579        different loop boundaries in seaice_lsr and seaice_ocean_stress)
580      - bug fix in seaice_ocean_stress (update of lab_sea required)
581      - reduce loop boundaries to necessary minimum also in seaice_evp
582      - go back to the old way of computing deltaC/Z as the adjoint likes that
583        better
584    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
585      passive tracer to an Age Tracer) + update output.txt
586    o pkg/exf:
587      - implement A-grid / C-grid selection for wind-stress input files.
588      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
589      for now, in exf_bulk_largeyeager04.F only :
590      - change implementation for case where windspeed + 2. components wind-stress
591        are read-in. AND use rhoConstFresh to convert evap.
592    o pkg/seaice:
593      - use correct EXCH_UV for wind-forcing (on A-grid).
594      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
595        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
596    o pkg/exf:
597      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
598      EXF_INTERPOLATION:
599      - merge global_with_exf/code version of exf_interp_read.F
600        to the main code ;
601      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
602        reading the file ; Important: This options needs to be defined to recover
603        previous code.
604        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
605      - no longer loose real*8 precision along the way when using exf_iprec=64.
606    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
607      - change discretisation of evp-solver in order to avoid another exchange
608        (changes lab_sea) and clean up a little
609      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
610        help the adjoint (this also changes the results slightly)
611      - add a few "_d 0" where they had been missing in seaice_evp.F
612      - cleaning up: remove unused seaice_calc_rhs.F
613    o pkg/exf: some cleaning-up:
614      - change various "constants" into runtime parameters
615      - cleaned-up Large&Yeager04 routine which should eventually
616        replace exf_bulkformulae.F (changed names of S/R and CPP)
617        and merged various ALLOW_ATM_WIND options
618     only used with thsice pkg (in thsice_get_exf.F):
619      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
620        which are used when useStabilityFct_overIce=TRUE (= the default)
621      - change default values of ice & snow emissivity and scale downward LW
622        by ice & snow emissivity.
623    o pkg/thsice:
624     fix few little problems, in thsice_calc_thickn.F:
625      - growth vertically (and not laterally) if iceFrac == iceMaskMax
626      - melt only laterally if hIce < hThinIce (as the comments say)
627      and in thsice_extend.F:
628      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
629      - start to form ice as soon as the minimum ice-volume is reachable.
630     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
631      and cpl_aim+ocn
632    o pkg/kpp
633     - move computation of surface related input fields to KPP into a new
634       subroutine kpp_forcing_surf.F
635     - remove wrong (within bi,bj loops) EXCH calls.
636     - little cleaning (add argument myThid in last position, cvs header ...)
637     - for now, fix conservation problem by exchanging KPPviscAz (may not
638       be the best fix)
639    o pkg/seaice
640     - check for inconsistent evp parameter/cpp-flag combination
641     - remove leftover errIO flat for obsolete name list error handling
642    o OpenAD
643     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
644    
645    checkpoint59a
646    o pkg/seaice: some parameter clarifications and a little bit of clean up
647    o pkg/thsice: rename run-time parameters:
648       himin       -> hIceMin
649       himin0      -> hThinIce
650       hihig       -> hThickIce
651       i0          -> i0swFrac
652       transCoef   -> bMeltCoef
653       frac_energy -> fracMelting
654      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
655       with default values (for now) that do not change the results.
656      remove old version of thsice vars advection in pkg/seaice.
657    o in FFIELDS.h:
658      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
659      - make pLoad & sIceLoad always available (but still only used if
660         ATMOSPHERIC_LOADING is #define).
661    o pkg/kpp: replaced _KPP_RL with _RL
662    o bug fixes for vertical diffusivity computations when both KPP and
663        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
664        are no longer updating the vertical diffusivity array
665        (passed as argument) but are (re-) setting those arrays.
666    o pkg/seaice: fix bug in evp solver, while doing that
667      - change (improve?) discretization of stress computations for both
668        cgrid-lsr and evp solver
669      - add a new routine to compute strain rates
670      - the above changes lab_sea results
671      - add no slip conditions for evp solver (off by default), lsr-version
672        may follow
673      - fix exchange for shear at Z-points (does not change lab_sea)
674      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
675        (to force the user to pick a time step since there is not "safe" way
676        of choosing it)
677      - add principal stress diagnostics
678      - rearrange fields for evp a little to avoid having to call a: too many
679        exchanges and b: exchanges for stress trensor components which we do
680        not have.
681      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
682        of evp, complete rewrite for lsr case (latter is does not yet work
683        in all cases)
684    o pkg/kpp: add code to have mixing in shelf ice caverns
685      - add myThid to all kpp routines (long overdue)
686    
687    checkpoint59
688    o pkg/exf:
689      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
690        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
691      - move exf header files from lower_case.h to UPPER_CASE.h ;
692        add missing cvs Header & Name
693      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
694      - add namelist param. selectStressGridPosition, exf_monFreq
695      - retire many _CLIM routines, and remove data.exf_clim
696        + params moved to data.exf
697        + climsst, climsss now handled by exf_set_gen, i.e.
698          climss?period=0 refers to constant field,
699          climss?period=-12 to monthly forcing
700      - split up namelists in data.exf
701    o pkg/seaice:
702      - remove seaice_exch and seaice_exch_uv
703      - remove superfluous exchange of theta
704      - add myThid to seaice_budget_ocean/ice
705      - add new interface for atmospheric wind forcing (C-grid only)
706        + new routine
707        + two new field (taux, tauy for stress over ice)
708        + removed one global field (DAIRN) for C-grid case only
709    o pkg/thsise
710      - 2nd set of modifs for thsice adjoint in conjunction with exf
711    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
712    
713    checkpoint58y_post
714    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
715      vertical diffusivity, similar to that in MOM4; turned on using
716      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
717      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
718    o Added capability for 3D specification of background vertical diffusion
719      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
720      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
721      "data" file that contains the 3D vertical diffusivity coefficients.
722    o ice dynamics (pkg/seaice) with thsice thermodynamics:
723      - add code within pkg thsice to advect & diffuse sea-ice fields
724      similar to (and will replace) what has been added in  seaice_advdiff.F,
725      but: - conserving Mass, Heat & Salt.
726           - better when using non-linear advection scheme (not yet fully tested)
727           - can also be used in atmospheric set-up (for now, only the diffusion).
728    
729    checkpoint58x_post
730    o IO option for global-file compact format:
731      - add options when generating topology (utils/exch2/matlab-topology-generator)
732      - add I/O capability (pkg/mdsio).
733      - adapt utils/matlab/rdmds.m to read this format.
734      for now long-line format not yet supported by pkg/mdsio (& exch2).
735    o shelfice: add a few diagnostics
736    
737    checkpoint58w_post
738    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
739      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
740      (and replace horiVertRatio in NH code).
741      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
742                         and tutorial_plume_on_slope (sensitive to truncation)
743    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
744      directly to drive seaice model (C-grid only)
745    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
746     - reintroduce computation of wind from stress,
747     - compute tau (in exf_bulkformulae.F) from windstress averaged to
748       mass points to avoid tau = 0
749     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
750    o rdmnc.m: make it work with "global" files created with gluemnc
751    o rdmnc.m : some improvements in dealing with singleton dimension
752      (tested on all testreport mnc output files).
753    o genmake2: disable pkg/profiles if netcdf test fails.
754    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
755    o move call to cal_readparms up to make calendar parameters/variable available
756      to all packages
757    
758    checkpoint58v_post
759    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
760      useDynP_inEos_Zc tested.
761    o pkg/exf: changes to properly interpolate/mask/scale initial fields
762    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
763      and portions thereof.  See read_cs.txt for description and examples.
764    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
765      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
766      following the great-circle arc between those 2 points.
767    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
768      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
769    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
770     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
771     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
772     - still needs work (not working with some options ; efficiency to improve)
773       and serious testing.
774     - use this scheme for temperature & salinity in 2 advection test exp.:
775       advect_xy & advect_xz, respectively.
776    
777    checkpoint58u_post
778    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
779    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
780    o testreport: add option "-skipdir" to skip some test.
781    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
782      momentum calculation.
783    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
784    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
785      remove checkpoint.F and the_correction_step.F (no longer used);
786      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
787    o add option (linFSConserveTr) to correct for tracer source/sink due to
788      Linear Free surface
789    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
790    o pkg/thsice: fix reading mnc-pickups
791    
792    checkpoint58t_post
793    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
794    o pkg/mdsio:
795     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
796       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
797       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
798     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
799     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
800       either MDS_READ_FIELD or MDS_WRITE_FIELD )
801     - new S/R (to replace MDSWRITEMETA), which allows to write more
802       informations (variable names, time ...) to meta files.
803     - modify rdmds.m to give back the meta file content.
804    o pkg/diagnostics: change vertical interpolation to be safer, and more
805       flexible (define p-levels to interpolate to in data.diagnostics);
806      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
807       diagnostic pointer.
808    o pkg/seaice: more cleaning up of seaice_growth, added many comments
809    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
810    o fix multi-category seaice:
811     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
812       SEAICE_MULTICATEGORY
813     - fix short wave heat flux
814    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
815       and allow to use EVP solver. Change forward lab_sea: test both EVP
816       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
817    o Initial check-in of lab_sea adjoint
818      (very similar to natl_box_adjoint/code_seaice)
819      * used C-grid and EVP solver
820      * used KPP, GM/Redi
821      * uses inAdExact=.TRUE.
822      * gradient checks fail for both ADM and TLM
823        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
824        f.d. gradients actually seem more problematic than ADM, TLM gradients;
825        issue is related to forward mismatch between g77 an ifort
826    o pkg/seaice: overhaul of thermodynamics
827     - growth.F and groatb.F are replaced by new routine seaice_growth.F
828     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
829     - move a few global fields out of SEAICE.h into seaice_growth.F and
830       make them 2D (FICE/QNETO/ ...)
831     - remove FO (it is the same as QNETO)
832     - introduce a few local fields to avoid modifying external fields such
833       as atemp, etc.
834    
835    checkpoint58s_post
836    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
837      changed exf_set_gen.F so that
838        genperiod=0 means input file is one time-constant field and
839        genperiod=-12 means input file contains 12 monthly means
840    o CG2D: use pre-computed solver main-diagonal (stored in common block);
841      this affects truncation error ; generate new output file for exp. which
842      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
843        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
844        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
845        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
846        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
847        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
848    o start implementation of deep-atmosphere and anelastic formulation
849    o verification: remove 2nd copy of input files and use script "prepare_run"
850      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
851    o mom_common/vecinv/fluxform: fix a few initialisation isssues
852    o profiles: fix for multithreaded case
853    
854    o diagnostics: rename few diags:
855      s/'PRESSURE'/'RCENTER '/g
856      s/'TICE    '/'oceFreez'/g
857      s/'TAUX    '/'oceTAUX '/g
858      s/'TAUY    '/'oceTAUY '/g
859      s/'SWFLUX  '/'oceQsw  '/g
860      s/DIFx/DFxE/g
861      s/DIFy/DFyE/g
862      and add few ocean-forcing diagnostics:
863      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
864    o modifications to pkg/seaice/growth.F and budget.F, which change results of
865      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
866      as actual snow thickness.  It now refers everywhere to effective snow
867      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
868    
869    checkpoint58r_post
870    o modifications to pkg/seaice/growth.F, which change results of
871      lab_sea experiment: fixes pertain to melting snow over open water, to
872      masking EVAP under sea ice, and to using the correct AREA variable for
873      computations of EVAP, PRECIP, HSNOW, and GHEFF
874    o add ability to read bathy, salt, and theta using MNC (off by def)
875    o add flooding algorithm and advection of HSNOW for pkg/seaice;
876      both are turned off by default and do no change any results
877    o seaice advection with pkg/thsice: a step toward the use of non-linear
878      advection scheme, but #ifdef or commented out for now (requires more EXCH).
879    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
880      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
881      in natl_box (affects results @ truncation level: update output.txt)
882    o multi-threading and IO:
883      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
884      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
885        (needed to work with SingleCpuIO): tested in all verif. exp.
886    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
887      affects the results (but none of the verification test uses this scheme).
888    o Adding some pkg/diagnostics capability to pkg/seaice
889      (will certainly be subject to changes)
890    o ctrl: adding new control variables:
891      lwflux, lwdown, evap, snowprecip, apressure, runoff
892    
893    checkpoint58q_post
894    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
895      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
896      high_res_cube configuration by 4% on Columbia.
897    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
898      add (in global_with_exf/code) a version of EXF_INTERP_READ without
899      dynamical allocation (seems to work in multi-threaded).
900    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
901      single CPU io) so that TAF does not have to see EESUPPORT.h
902    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
903    
904    checkpoint58p_post
905    o obcs: stop if obcs is used with useCDscheme = .true.
906    o shelfice:
907     - fix a sign error so that no slip at shelfice interface works
908     - remove stop for combination non-hydrostatic code and shelfice. That does
909       not mean, that the results are correct, but at least they are numerically
910       stable
911    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
912    o added adjoint exch routined for all exch*3d* routines
913      and updated flow directives
914    
915    checkpoint58o_post
916    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
917      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
918    o change controling S/R for writing pickup file (new S/R do_write_pickup)
919      and clean-up reading/writing of pickup files.
920    o fix local version of read/write pickup (NH part) in rotating_tank/code
921    o simplify EXCH interface:
922     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
923     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
924    o added the regrid package
925    o shelfice:
926     - add a simple boundary layer scheme to reduce noise
927     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
928    
929    checkpoint58n_post
930    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
931       local variable (not in common block).
932  o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.  o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
933    - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);    - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
934    - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls    - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls

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