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revision 1.696 by heimbach, Sat Jul 8 00:29:20 2006 UTC revision 1.1007 by mlosch, Thu Jun 26 14:43:25 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 take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V  o testreport: modify syntax of awk, so that it works also with
8      awk, and not only with nawk and gawk
9    
10    checkpoint61
11    o autodiff
12      Change default for TAF usage by removing argument '-nonew_arg'
13      This changes TAF subroutine argument list (ordering of active var.)
14      Omission of this flag leads to incompatibility w.r.t. TAMC
15      To restore TAMC-compatibility, need following modifs:
16      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
17      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
18      Tested TAF version is 1.9.22
19      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
20    
21    checkpoint60
22    --->>> This is the last checkpoint for which generating the adjoint
23    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
24    --->>> by default.
25    --->>> Future checkpoints will ommit this flag by default.
26    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
27    o pkg/grdchk: Add gradient check to etan0 perturbations.
28    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
29    o pkg/autodiff: more flexibility in zeroadj.
30      model/src: modifying do_oceanic_phys.F accordingly.
31    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
32    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
33      special setup of gmredi for which the adjoint is stable
34      enough for parameter optimization.
35    o bridging the gap between eddy stress and GM.
36      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
37          along with a change in CPP option (now ALLOW_EDDYPSI).
38      -> when using GM w/ GM_AdvForm:
39          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
40          is applied either in the tracer Eq. or in momentum Eq.
41          depending on data.gmredi (intro. GM_InMomAsStress).
42      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
43      The key modifications are in model/src/taueddy_external_forcing.F
44      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
45    
46    checkpoint59r
47    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
48      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
49      fix option to read coriolis(@ cell-corner) from files with CS-grid.
50    o pkg/mnc: add some attributes to standard 1D-coordinate variables
51    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
52      mass points, when using mnc for output
53      - add runtime parameter (missing_value, missing_value_int) to override
54        default (which is the value of getcon('UNDEF'))
55    o pkg/mnc: prepare mnc for the actual use of missing values with the
56      diagnostics package: small fix in mnc_cw_readwrite.template and more
57      initialisation of never used fields
58      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
59      versions
60    o pkg/thsice/thsice_ini_vars.F added default initial values so that
61      thermodynamics sea ice solver does not blow up when some initial fields
62      are missing.
63    o move from external_forcing_surf.F to ini_forcing.F
64      the p-coord. hack consisting in using pLoad to set phi0surf ;
65      update output of tutorial_global_oce_in_p (affected @ truncation level).
66    o Freshen up a bit hs94.1x64x5, notably:
67      remove rotationPeriod and tRef=5*0. (adjoint only), and add
68      exactConserv=.TRUE.
69    o pkg/generic_advdiff:
70      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
71      applies to files where Temperature & Salinity 2nd Order moments are used.
72    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
73      this uses a dynamically allocated internal state data structure
74      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
75      and requires a fortran 90 compiler
76    
77    checkpoint59q
78    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
79       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
80    o Refresh tutorial_global_oce_biogeo, notably:
81      - change bathymetry (put back seamounts in ACC, use hFacs)
82      - change EOS (POLY3 --> JMD95Z)
83      - use Bryan-Lewis vertical diffusivity
84      - use multidimensional advection
85      - remove old virtual virtual in dic pkg, now done through ptracer pkg
86      - change a couple of parameters in dic pkg
87    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
88    o pkg/obcs: change default to OBCSfixTopo = .true.,
89      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
90      - replace "debugMode" with "debugLevel .GE. debLevB"
91    o implementation of TAF directives for gchem,cfc,dic
92    o remove "exp5" (replaced by tutorial_deep_convection).
93    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
94      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
95      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
96      --> changes results in exp4, seaice_obcs
97    o tutorial_deep_convection :
98      update the set-up and increase resolution and domain size ; start
99      from pseudo initial conditions = output at t=120mn in order to see
100      something happening when running testreport.
101    o pkg/seaice: add os7mp as an advection scheme
102                  add check for advection schemes
103                  add a flag for restoring T and S underneath sea ice
104    o pkg/my82: add netcdf-support and diagnostics
105    o thsice pkg:
106      - Now hsMax limits snow height by turning it into ice following
107        flooding scheme (and now conserving energy)
108      - Slight rewriting of the formula in thsice_calc_thick.F
109      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
110      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
111    
112    checkpoint59p
113    o gchem / dic / cfc :
114      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
115      - add new parameter files: "data.dic" & "data.cfc" ;
116      - various re-arrangement in initialisation & header file ;
117      - fix tutorial_global_oce_biogeo for multi-threaded test.
118    o pkg/dic: test for "pickup_dic" file when restarting ;
119      if no pickup-file, can restart with a re-initialised pH (same as it did
120      before) providing pickupStrictlyMatch is set to False.
121    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
122      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
123    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
124      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
125    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
126     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
127       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
128    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
129       scheme to use for vorticty-term ;
130     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
131       (with default selectVortScheme, return to original discretisation)
132     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
133    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
134    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
135      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
136      also fix diagnostics VISCAHW & VISCA4W.
137    
138    checkpoint59o
139    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
140    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
141      move a few statemens out the main loop into separate loops
142    o pkg/shelfice:
143      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
144        (kg/m^2/s), does not break tests, because in verification/isomip,
145        rhoConstFresh=rhoConst (by accident)
146      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
147      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
148        new file model/src/seawater.F, so that they are available for all pkgs.
149      - convert potential temperature into in-situ temperature. This changes the
150        isomip tests => update tests
151    o add a flag writePickupAtEnd (default=true) to be able to suppress
152      writing a pickup at the last timestep
153    o tools/mpack-1.6 :
154      - disable automake (not working) and autoconf (not needed).
155      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
156        also cleaner with much less compilation warnings.
157    o pkg/profiles:
158      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
159      (for "less than 32 characters name" compiler requirement)
160    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
161      conditions that have a different sampling frequency than S/T/U/V obcs
162    o pkg/diagnostics (stats-diags):
163      - fix global Min/Max in case 1 processor get only empty tiles
164    o genmake2: replace (4 times)
165         make genmake_tc_1.o >> genmake_warnings 2>&1
166      with
167         COMM="$CC $CFLAGS -c genmake_tc_1.c"
168         echo $COMM >> genmake_warnings
169         $COMM >> genmake_warnings 2>&1
170      to make genmake2 always see the value of CC as specified in the optfile.
171    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
172      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
173      - modify verification advect_cs test to test SOM-advection on CS-grid.
174    o pkg/ctrl:
175      - Rewrite of ctrl_map_ini_ecco.F,
176        introducing a generic routine (ctrl_map_ini_gen.F).
177      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
178    
179    checkpoint59n
180    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
181      number in dedicate array "hdiag":
182      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
183        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
184      - many small changes (integer format) for large number of diagnostics
185      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
186        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
187    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
188      usingSphericalGrid, this allows to define the rotated grid coordinates
189      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
190      geographical coordinates according to the inverse of the rotation defined
191      by the Euler angles, so that Coriolis parameter and online-interpolation by
192      exf works with the geographical coordinates on XC/YC/XG/YG.
193      Naturally, this feature does not work with all packages, so some
194      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
195      profiles), because there the coordinates are assumed to be regular
196      spherical grid coordinates.
197    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
198      - introduce isopycnal diffusion coefficient control.
199    o tools/adjoint_options:
200      - additional control vector components.
201    o pkg/mnc: have mnc create marginally meaning full coordinate variables
202      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
203    o pkg/mypackage:
204      - add example of read/write pickup for state-var ;
205      - add entry points to the main code for state-vars diags & write-pickup.
206    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
207      transitions for useExfYearlyFields
208      - add new subroutine that determines the file to read from for
209        use*YearlyFields = .TRUE. and .FALSE.
210      - add a verification experiment to global_with_exf that tests
211        useExfYearlyFields with USE_EXF_INTERPOLATION defined
212    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
213      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
214      subroutines (which could be generated from a template, because they are
215      almost identical), for now they are included in obcs_prescribe_read.F for
216      simplicity
217    o pkg/exf:
218      - add a little more diagnostic to exf_interp_read (in analogy to
219        mds_read_field, can be turned off with debugLevel < debugLevA=1)
220      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
221        ugly but fast by unrolling short inner loops, inserting a unroll=8
222        directive in routine lagran, and splitting a loop and making do while the
223        outermost loop (the latter requires the intoduction of index arrays)
224    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
225    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
226      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
227    o verification/seaice_obcs: updated for restart test and latest options
228    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
229      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
230      for now this is only available for the C-grid code and also within
231      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
232    
233    checkpoint59m
234    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
235      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
236    o gad_som : fix flux output (& diagnostics) to have same units as other  
237      advection scheme fluxes (was previously multiplied by deltaT).  
238    o added verification/seaice_obcs both to test seaice open boundaries
239      and to provide an example matlab scrpt for generating them
240    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
241    o pkg/salt_plume: clean up salt_plume_frac.F to
242      remove redundancy in PlumeMethod 1 and 4
243    o pkg/kpp: added saltplume diagnostics
244    o pkg/obcs and pkg/seaice:
245      - do not set uice and vice to zero when OB*icefile are unspecified
246      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
247      - moved seaice tracer obcs after call to seaice_growth
248    o pkg/salt_plume: added various options for salt plume depth
249      criterion and for vertical distribution of the salt
250    
251    checkpoint59l
252    o pkg/ptracers: new version of ptracers pickup:
253      read meta file and write only fields which are needed to restart.
254      ( same logic as main pickup file ; also using pickupStrictlyMatch )
255    o pkg/seaice:
256      - add timescale for melting due to warm mixed layer as a means of
257        setting SEAICE_availHeatFrac more conveniently
258      - add a CPP-flag/runtime parameter check for flooding algorithm
259      - reformulated availHeat in seaice_growth.F to be independent of AREA
260    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
261      unit changes
262    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
263    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
264      SX vector computer.
265    o pkg/seaice:
266      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
267        seaice forcing fields can now be read only through pkg/exf
268      - removed some unused halos
269    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
270    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
271      or U/VICE from U/VWIND before computing U/VSTRESS
272    
273    checkpoint59k
274    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
275      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
276    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
277      all experiments pass when compile with un-initialised var. checking option.
278    o added pkg/salt_plume
279    o script to test restart (for now, in MITgcm_contrib/jmc_script)
280    o pkg/seaice: new read/write pickup version.
281      read meta file and write only fields which are needed to restart.
282      ( same logic as main pickup file ; also using pickupStrictlyMatch )
283    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
284    o lab_sea.hb87: modify the domain & update output.hb87.txt :
285      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
286      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
287      process. Fixed here by closing the domain at the Northern boundary.
288    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
289    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
290      a set of consecutive levels in/from a 3-D array.
291    o pkg/ptracers:
292      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
293      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
294    
295    checkpoint59j
296    o in pkgs: dic, obcs, offline, rbcs:
297      standard way to compute coeff. for time interpolation between 2 time reccords
298      which retains full precision (& make results less dependent on compiler).
299      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
300    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
301      packages instead of reading ice cover and wind speed separately
302    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
303     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
304      to allow to compile customized code before the update)
305    o cleaning-up:
306      - fix CPP instruction syntax in pkg/obcs
307      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
308        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
309      - fix some threads issue in IO parts.
310    o pkg/dic:
311      - add tons of "_d 0" (--> much better testreports !)
312       and then update outputs of tutorial_global_oce_biogeo
313    o pkg/mom_fluxform:
314      add a special version of momentum advection intended to conserve momentum
315      next to a bathymetry step or a coastline edge. (default = off = #undef)
316    o new read/write pickup version:
317      - for now, only implemented for main (mdsio) pickup file.
318      - write out only what is needed to restart; merge pickup_nh , pickup_ph
319        and main pickup together.
320      - read meta file; read only what is needed to restart; stop if a field
321        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
322        if it make sense (even if the restart is not perfect).
323      - if no meta file, assume that pickup to read corresponds exactly to
324        a pickup that would currently be written.
325      - read pickup written in the old format (until checkpoint59i) if it
326        recognizes an old meta file (no field-list).
327      - add a meta file in exp. which starts from a pickup: 2 cases:
328        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
329         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
330        b) a meta file describing the content of the associated pickup file
331         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
332    o pkg/mdsio & pkg/rw:
333      - new routine to read a meta file ; new set of routine to read
334        Multiple-fields file (with meta file).
335    o added open boundary conditions capability for seaice
336        HSNOW, HSALT, UICE, and VICE
337    
338    checkpoint59i
339    o adjoint:
340      * fix multiDimAdvection adjoint
341        (partial recomputation problem by TAF for fVerT(:,:,kDown)
342        and comlev1 size definition (maxpass vs. max. number of tracers)
343      * verification/global_ocean.90x45x15 adjoint now tests
344        NLFS and multiDimAdvection using DST3 (=30)
345      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
346    o pkg/kpp: add "_d 0" to real constant (if missing);
347      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
348      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
349    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
350      for internal parameters related to restart process (formerly from PARAMS.h)
351      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
352    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
353      as argument. (only atm2d & obcs write_pickup have not yet been updated)
354    o pkg/monitor:
355      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
356      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
357      - account for deep Atmosphere factor and density factor (anelastic)
358    o added open boundary conditions capability for seaice HEFF and AREA
359    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
360      thermodynamics
361      - requires a little reorganization, which affects the testreport results
362        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
363        so that now the conservative form is tested
364      - add a few comments
365    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
366    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
367    o add new diagnostics to seaice: advective, diffusive fluxes (only for
368      multidim-advection, for scheme 2 they are not filled) and transports,
369      thermodynamic growth rates
370    o change units of EmPmR (inside the code, + within coupling interface)
371      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
372      Affects results @ truncation level (cg2d match) and update output of
373       experiments: lab_sea(6), global_ocean.90x40x15(10),
374      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
375      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
376      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
377      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
378    
379    checkpoint59h
380    o pkg/exf:
381      - improve vectorization by moving if-statement out of loops in
382        exf_mapfields, exf_radiation
383      - exf_bulkformulae.F: introduce 2D fields and vectorize code
384    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
385    o testreport:
386      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
387        monitor & update offline_exf_seaice exp. output.
388      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
389    o pkg/seaice:
390      - bug fix in the evp solver: boundary conditions were affected be
391        masking of zMax/zMin (changes results)
392      - minor bug fix in boundary conditions in seaice_calc_strainrates
393        (changes results for no_slip)
394      - seaice_lsr.F: make interpolation of eta dependent on boundaries
395      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
396      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
397        stress formulation and no-slip boundary conditions
398    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
399      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
400    o pkg/seaice: a first HSALT time stepping equation has been checked in
401    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
402      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
403      without requiring DO-IF statements
404    o pkg/thsice:
405      use continuous power-law function for partition of energy between lateral
406      melting/freezing and thinning/thickening ; old code using step function
407      still available with #undef THSICE_FRACEN_POWERLAW
408      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
409    o testreport: change AD testing : check against results/output_adm.txt
410      using same scripts as for forward test.
411    
412    checkpoint59g
413    o adjoint testing: in preparation for changing testreport:
414      - output format: cost and grad written on separated lines
415      - ad output results in directory "results" (instead of "results_ad")
416    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
417    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
418    o pkg/ecco: allow user defined cost function contributions
419    o testreport:
420      Allow to choose (per experiment) the list of tested output variables
421       and the main variable (used to issue a pass/FAIL ) ;
422      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
423      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
424      Also modify printing of summary:
425       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
426       b) echo the list of tested variables in the individual summary.txt of
427          each experiment.
428    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
429      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
430      (but still depend on the tile decompostion of the domain).
431    o pkg/seaice: change a discretization detail to make the B-grid code
432      "more symmetric". This change is likely to remove all "ridges/leads" that
433      where quasi-aligned with the grid in B-grid solutions. It may also be
434      the solution to the stress coupling issues with the B-grid.
435    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
436      remove .cvsignore from input dir. (since testreport no longer run here).
437    o pkg/thsice:
438     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
439     - fix reshaping of sea-ice just after advection:
440       melt all the ice only if ice-volume is too small.
441     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
442       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
443     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
444    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
445      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
446    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
447      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
448      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
449      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
450      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
451      -> update output.txt
452    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
453     this affects truncation error: -> update output.txt of exp:
454      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
455      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
456    
457    checkpoint59f
458    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
459    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
460      a bounded range (in forward mode)
461    o pkg/ecco, ctrl, autodiff and mom_common:
462     internal parameter controls, completements of implementations
463    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
464    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
465      (not seem any difference in testing results).
466    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
467       at face corners.
468    o pkg/generic_advdiff:
469     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
470      loop range indices for computing vertical advection tendency
471      and do the calculation in the interior only (no overlap) ;
472      for now, only implemented for SOM advection (to save CPU time).
473     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
474    o exch2 adjoint
475      First set of changes:
476      - add exch2 hand-written adjoint templates
477      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
478        This will require cleanup in pkg/autodiff/*.F
479        (changed routines currently kept separate in verif. code/)
480      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
481        that used to hide exch2 or cubed-sphere specific code
482        (commented via 'cph-exch2')
483    o pkg/seaice
484      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
485    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
486       output of global_ocean.cs32x15.thsice .
487    
488    checkpoint59e
489    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
490      for B-grid vector (not yet tested) and C-grid vector (<- only used
491      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
492    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
493      (#ifdef ALLOW_SALT_PLUME)
494    o gather_2d/scatter_2d: removed halo regions
495    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
496      scheme and the corresponding test case (under front_relax dir). For now,
497      only available with Skew-flux form and not yet tested in realistic set-up.
498      adjoint: store directives updated, but gradient checks deteriorated,
499      so maybe GM/Redi adjoint is now broken.
500    o seaice adjoint
501      * add AREA, HEFF, HSNOW as control variable
502        (should not change lab_sea results)
503      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
504    o pkg/seaice:
505      * added computation of saltFlux in seaice_growth;
506        For time being, sea ice salinity is assumed constant
507        contribution of snow flooding to freshening of sea ice is neglected.
508        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
509        defaults to 0.0 in order to maintain backward compatibility.
510        Typical values for SEAICE_salinity are 4 to 10 g/kg.
511      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
512      * added SEAICE_availHeatFrac, which specifies fraction of surface level
513        heat content used to melt or grow ice
514      * commented out cap of HICE: it helps keep ice thinner
515      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
516      * applied OBCS T/S mask to HEFFM sea ice mask
517    
518    checkpoint59d
519    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
520     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
521     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
522    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
523     and change default value of parameter "GM_Small_Number";
524     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
525       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
526       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
527    o pkg/ecco: cost function when applying pkg/smooth to controls
528    o pkg/ctrl: add forcingPrecond run time parameter
529    o pkg/seaice:
530     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
531     - fix bug in metric terms of u-equation in LSR solver (implicit part),
532       changes verification/lab_sea
533     - rearrange implicit part of u-equation in LSR solver to make it easier to
534       read, understand, and debug. This causes changes at the truncation level.
535     - fix (serious) bug in the boundary conditions (sign error in the implicit
536       part) of the LSR solver. Changes all LSR results.
537     - fixed problem with HSNOW initialization to avoid thick snow when AREA
538       is initilized with small values - does not change lab_sea results.
539     - added HsnowFile initialization capability
540    o pkg/smooth: addition to model/src and pkg/ctrl so allow
541     initialization of pkg/smooth and application to control vector
542    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
543    o dependencies: pkg/profiles requires pkg/cal
544    o pkg/profiles:
545     - added option ALLOW_PROFILES_GENERICGRID
546         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
547         that interpolation information (grid points and coefficients) is provided
548         within the netcdf input files.
549         -> sample matlab scripts can be found in MITgcm_contrib/gael
550         that allow you to prepare netcdf input files.
551     - also modified: cleaner include statements, cleaner error print statements,
552       cleaner stops when error, and more tests of the netcdf input files consistency.
553    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
554    o pkg/seaice:
555     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
556       requires a new routine: seaice_diagnostics_fill.F
557     - make sure that seaice does not move if not forced (pressure replacement
558       method, Hibler and Ip, 1995), changes results
559     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
560     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
561       It is turned off by default (=-1.), because it changes the results.
562     - make it possible to read AREA from a file, too.
563    
564    checkpoint59c
565    o add S/R and diagnostics for oceanic mixed-layer depth
566    o move GMRedi call after all vertical mixing schemes (including KPP)
567    o pkg/thsice:
568     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
569      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
570    o pkg/obcs:
571     - bug fix for balance code
572    o pkg/seaice:
573      - allow values of SEAICE_elasticParm > 1
574      - add new parameter SEAICE_evpTauRelax as an alternative
575        to SEAICE_elasticParm
576      - make lsr boundary conditions free slip (by default), changes result
577      - add code for no slip boundary conditions for lsr
578      - set minimum of zeta to zero (and not 4e8) (changes results)
579      - add a cap on AREA after advecting AREA if seaice_growth is not called
580    o change calculation of Visbeck K:
581      - no longer depend on tapering scheme; instead, compute slope (limited
582        by GM_maxSlope). this is equivalent to what was comuted before with
583        clipping or linear tappering.
584      - fix vertical averaging (wrong by 1/2 level)
585      - leave the old version (but will not be maintained) within
586        #ifdef OLD_VISBECK_CALC / #endif
587      - update output of exp. ideal_2D_oce
588    o change error catch in calc_r_star to improve vectorization
589    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
590      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
591    o adjoint:
592      Re-organized adjoint checkpointing according to Matt Mazloff
593      (but with modifs/completions/cleanups)
594      Storing is now bundled into large arrays to optimized I/O
595      (and second step in cleanup of the_main_loop)
596    
597    checkpoint59b
598    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
599      - export/import (between ocean & coupler) fields needed for ocean DIC.
600    o pkg/seaice:
601      - get rid of three more exchanges seaice_calc_viscosities (required
602        different loop boundaries in seaice_lsr and seaice_ocean_stress)
603      - bug fix in seaice_ocean_stress (update of lab_sea required)
604      - reduce loop boundaries to necessary minimum also in seaice_evp
605      - go back to the old way of computing deltaC/Z as the adjoint likes that
606        better
607    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
608      passive tracer to an Age Tracer) + update output.txt
609    o pkg/exf:
610      - implement A-grid / C-grid selection for wind-stress input files.
611      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
612      for now, in exf_bulk_largeyeager04.F only :
613      - change implementation for case where windspeed + 2. components wind-stress
614        are read-in. AND use rhoConstFresh to convert evap.
615    o pkg/seaice:
616      - use correct EXCH_UV for wind-forcing (on A-grid).
617      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
618        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
619    o pkg/exf:
620      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
621      EXF_INTERPOLATION:
622      - merge global_with_exf/code version of exf_interp_read.F
623        to the main code ;
624      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
625        reading the file ; Important: This options needs to be defined to recover
626        previous code.
627        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
628      - no longer loose real*8 precision along the way when using exf_iprec=64.
629    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
630      - change discretisation of evp-solver in order to avoid another exchange
631        (changes lab_sea) and clean up a little
632      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
633        help the adjoint (this also changes the results slightly)
634      - add a few "_d 0" where they had been missing in seaice_evp.F
635      - cleaning up: remove unused seaice_calc_rhs.F
636    o pkg/exf: some cleaning-up:
637      - change various "constants" into runtime parameters
638      - cleaned-up Large&Yeager04 routine which should eventually
639        replace exf_bulkformulae.F (changed names of S/R and CPP)
640        and merged various ALLOW_ATM_WIND options
641     only used with thsice pkg (in thsice_get_exf.F):
642      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
643        which are used when useStabilityFct_overIce=TRUE (= the default)
644      - change default values of ice & snow emissivity and scale downward LW
645        by ice & snow emissivity.
646    o pkg/thsice:
647     fix few little problems, in thsice_calc_thickn.F:
648      - growth vertically (and not laterally) if iceFrac == iceMaskMax
649      - melt only laterally if hIce < hThinIce (as the comments say)
650      and in thsice_extend.F:
651      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
652      - start to form ice as soon as the minimum ice-volume is reachable.
653     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
654      and cpl_aim+ocn
655    o pkg/kpp
656     - move computation of surface related input fields to KPP into a new
657       subroutine kpp_forcing_surf.F
658     - remove wrong (within bi,bj loops) EXCH calls.
659     - little cleaning (add argument myThid in last position, cvs header ...)
660     - for now, fix conservation problem by exchanging KPPviscAz (may not
661       be the best fix)
662    o pkg/seaice
663     - check for inconsistent evp parameter/cpp-flag combination
664     - remove leftover errIO flat for obsolete name list error handling
665    o OpenAD
666     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
667    
668    checkpoint59a
669    o pkg/seaice: some parameter clarifications and a little bit of clean up
670    o pkg/thsice: rename run-time parameters:
671       himin       -> hIceMin
672       himin0      -> hThinIce
673       hihig       -> hThickIce
674       i0          -> i0swFrac
675       transCoef   -> bMeltCoef
676       frac_energy -> fracMelting
677      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
678       with default values (for now) that do not change the results.
679      remove old version of thsice vars advection in pkg/seaice.
680    o in FFIELDS.h:
681      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
682      - make pLoad & sIceLoad always available (but still only used if
683         ATMOSPHERIC_LOADING is #define).
684    o pkg/kpp: replaced _KPP_RL with _RL
685    o bug fixes for vertical diffusivity computations when both KPP and
686        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
687        are no longer updating the vertical diffusivity array
688        (passed as argument) but are (re-) setting those arrays.
689    o pkg/seaice: fix bug in evp solver, while doing that
690      - change (improve?) discretization of stress computations for both
691        cgrid-lsr and evp solver
692      - add a new routine to compute strain rates
693      - the above changes lab_sea results
694      - add no slip conditions for evp solver (off by default), lsr-version
695        may follow
696      - fix exchange for shear at Z-points (does not change lab_sea)
697      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
698        (to force the user to pick a time step since there is not "safe" way
699        of choosing it)
700      - add principal stress diagnostics
701      - rearrange fields for evp a little to avoid having to call a: too many
702        exchanges and b: exchanges for stress trensor components which we do
703        not have.
704      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
705        of evp, complete rewrite for lsr case (latter is does not yet work
706        in all cases)
707    o pkg/kpp: add code to have mixing in shelf ice caverns
708      - add myThid to all kpp routines (long overdue)
709    
710    checkpoint59
711    o pkg/exf:
712      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
713        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
714      - move exf header files from lower_case.h to UPPER_CASE.h ;
715        add missing cvs Header & Name
716      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
717      - add namelist param. selectStressGridPosition, exf_monFreq
718      - retire many _CLIM routines, and remove data.exf_clim
719        + params moved to data.exf
720        + climsst, climsss now handled by exf_set_gen, i.e.
721          climss?period=0 refers to constant field,
722          climss?period=-12 to monthly forcing
723      - split up namelists in data.exf
724    o pkg/seaice:
725      - remove seaice_exch and seaice_exch_uv
726      - remove superfluous exchange of theta
727      - add myThid to seaice_budget_ocean/ice
728      - add new interface for atmospheric wind forcing (C-grid only)
729        + new routine
730        + two new field (taux, tauy for stress over ice)
731        + removed one global field (DAIRN) for C-grid case only
732    o pkg/thsise
733      - 2nd set of modifs for thsice adjoint in conjunction with exf
734    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
735    
736    checkpoint58y_post
737    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
738      vertical diffusivity, similar to that in MOM4; turned on using
739      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
740      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
741    o Added capability for 3D specification of background vertical diffusion
742      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
743      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
744      "data" file that contains the 3D vertical diffusivity coefficients.
745    o ice dynamics (pkg/seaice) with thsice thermodynamics:
746      - add code within pkg thsice to advect & diffuse sea-ice fields
747      similar to (and will replace) what has been added in  seaice_advdiff.F,
748      but: - conserving Mass, Heat & Salt.
749           - better when using non-linear advection scheme (not yet fully tested)
750           - can also be used in atmospheric set-up (for now, only the diffusion).
751    
752    checkpoint58x_post
753    o IO option for global-file compact format:
754      - add options when generating topology (utils/exch2/matlab-topology-generator)
755      - add I/O capability (pkg/mdsio).
756      - adapt utils/matlab/rdmds.m to read this format.
757      for now long-line format not yet supported by pkg/mdsio (& exch2).
758    o shelfice: add a few diagnostics
759    
760    checkpoint58w_post
761    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
762      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
763      (and replace horiVertRatio in NH code).
764      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
765                         and tutorial_plume_on_slope (sensitive to truncation)
766    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
767      directly to drive seaice model (C-grid only)
768    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
769     - reintroduce computation of wind from stress,
770     - compute tau (in exf_bulkformulae.F) from windstress averaged to
771       mass points to avoid tau = 0
772     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
773    o rdmnc.m: make it work with "global" files created with gluemnc
774    o rdmnc.m : some improvements in dealing with singleton dimension
775      (tested on all testreport mnc output files).
776    o genmake2: disable pkg/profiles if netcdf test fails.
777    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
778    o move call to cal_readparms up to make calendar parameters/variable available
779      to all packages
780    
781    checkpoint58v_post
782    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
783      useDynP_inEos_Zc tested.
784    o pkg/exf: changes to properly interpolate/mask/scale initial fields
785    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
786      and portions thereof.  See read_cs.txt for description and examples.
787    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
788      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
789      following the great-circle arc between those 2 points.
790    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
791      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
792    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
793     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
794     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
795     - still needs work (not working with some options ; efficiency to improve)
796       and serious testing.
797     - use this scheme for temperature & salinity in 2 advection test exp.:
798       advect_xy & advect_xz, respectively.
799    
800    checkpoint58u_post
801    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
802    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
803    o testreport: add option "-skipdir" to skip some test.
804    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
805      momentum calculation.
806    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
807    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
808      remove checkpoint.F and the_correction_step.F (no longer used);
809      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
810    o add option (linFSConserveTr) to correct for tracer source/sink due to
811      Linear Free surface
812    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
813    o pkg/thsice: fix reading mnc-pickups
814    
815    checkpoint58t_post
816    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
817    o pkg/mdsio:
818     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
819       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
820       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
821     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
822     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
823       either MDS_READ_FIELD or MDS_WRITE_FIELD )
824     - new S/R (to replace MDSWRITEMETA), which allows to write more
825       informations (variable names, time ...) to meta files.
826     - modify rdmds.m to give back the meta file content.
827    o pkg/diagnostics: change vertical interpolation to be safer, and more
828       flexible (define p-levels to interpolate to in data.diagnostics);
829      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
830       diagnostic pointer.
831    o pkg/seaice: more cleaning up of seaice_growth, added many comments
832    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
833    o fix multi-category seaice:
834     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
835       SEAICE_MULTICATEGORY
836     - fix short wave heat flux
837    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
838       and allow to use EVP solver. Change forward lab_sea: test both EVP
839       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
840    o Initial check-in of lab_sea adjoint
841      (very similar to natl_box_adjoint/code_seaice)
842      * used C-grid and EVP solver
843      * used KPP, GM/Redi
844      * uses inAdExact=.TRUE.
845      * gradient checks fail for both ADM and TLM
846        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
847        f.d. gradients actually seem more problematic than ADM, TLM gradients;
848        issue is related to forward mismatch between g77 an ifort
849    o pkg/seaice: overhaul of thermodynamics
850     - growth.F and groatb.F are replaced by new routine seaice_growth.F
851     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
852     - move a few global fields out of SEAICE.h into seaice_growth.F and
853       make them 2D (FICE/QNETO/ ...)
854     - remove FO (it is the same as QNETO)
855     - introduce a few local fields to avoid modifying external fields such
856       as atemp, etc.
857    
858    checkpoint58s_post
859    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
860      changed exf_set_gen.F so that
861        genperiod=0 means input file is one time-constant field and
862        genperiod=-12 means input file contains 12 monthly means
863    o CG2D: use pre-computed solver main-diagonal (stored in common block);
864      this affects truncation error ; generate new output file for exp. which
865      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
866        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
867        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
868        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
869        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
870        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
871    o start implementation of deep-atmosphere and anelastic formulation
872    o verification: remove 2nd copy of input files and use script "prepare_run"
873      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
874    o mom_common/vecinv/fluxform: fix a few initialisation isssues
875    o profiles: fix for multithreaded case
876    
877    o diagnostics: rename few diags:
878      s/'PRESSURE'/'RCENTER '/g
879      s/'TICE    '/'oceFreez'/g
880      s/'TAUX    '/'oceTAUX '/g
881      s/'TAUY    '/'oceTAUY '/g
882      s/'SWFLUX  '/'oceQsw  '/g
883      s/DIFx/DFxE/g
884      s/DIFy/DFyE/g
885      and add few ocean-forcing diagnostics:
886      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
887    o modifications to pkg/seaice/growth.F and budget.F, which change results of
888      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
889      as actual snow thickness.  It now refers everywhere to effective snow
890      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
891    
892    checkpoint58r_post
893    o modifications to pkg/seaice/growth.F, which change results of
894      lab_sea experiment: fixes pertain to melting snow over open water, to
895      masking EVAP under sea ice, and to using the correct AREA variable for
896      computations of EVAP, PRECIP, HSNOW, and GHEFF
897    o add ability to read bathy, salt, and theta using MNC (off by def)
898    o add flooding algorithm and advection of HSNOW for pkg/seaice;
899      both are turned off by default and do no change any results
900    o seaice advection with pkg/thsice: a step toward the use of non-linear
901      advection scheme, but #ifdef or commented out for now (requires more EXCH).
902    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
903      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
904      in natl_box (affects results @ truncation level: update output.txt)
905    o multi-threading and IO:
906      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
907      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
908        (needed to work with SingleCpuIO): tested in all verif. exp.
909    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
910      affects the results (but none of the verification test uses this scheme).
911    o Adding some pkg/diagnostics capability to pkg/seaice
912      (will certainly be subject to changes)
913    o ctrl: adding new control variables:
914      lwflux, lwdown, evap, snowprecip, apressure, runoff
915    
916    checkpoint58q_post
917    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
918      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
919      high_res_cube configuration by 4% on Columbia.
920    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
921      add (in global_with_exf/code) a version of EXF_INTERP_READ without
922      dynamical allocation (seems to work in multi-threaded).
923    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
924      single CPU io) so that TAF does not have to see EESUPPORT.h
925    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
926    
927    checkpoint58p_post
928    o obcs: stop if obcs is used with useCDscheme = .true.
929    o shelfice:
930     - fix a sign error so that no slip at shelfice interface works
931     - remove stop for combination non-hydrostatic code and shelfice. That does
932       not mean, that the results are correct, but at least they are numerically
933       stable
934    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
935    o added adjoint exch routined for all exch*3d* routines
936      and updated flow directives
937    
938    checkpoint58o_post
939    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
940      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
941    o change controling S/R for writing pickup file (new S/R do_write_pickup)
942      and clean-up reading/writing of pickup files.
943    o fix local version of read/write pickup (NH part) in rotating_tank/code
944    o simplify EXCH interface:
945     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
946     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
947    o added the regrid package
948    o shelfice:
949     - add a simple boundary layer scheme to reduce noise
950     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
951    
952    checkpoint58n_post
953    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
954       local variable (not in common block).
955    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
956      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
957      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
958        to work with SingleCpuIO.
959    o add "_d 0" to real constant of pkg/cfc subroutines ;
960       update exp. cfc_exemple & tutorial_cfc_offline output files.
961    o multi-threading and IO:
962      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
963        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
964      - barrier before and after reading.
965      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
966      - avoid using MDS_WRITELOCAL for LAND pkg output.
967      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
968        common-block variables ; Allows multi-threading with master-thread IO.
969    o change default MAX_NO_THREADS from 32 to 4 ;
970      and stop cleanly when MAX_NO_THREADS is too small.
971    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
972    
973    checkpoint58m_post
974    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
975       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
976    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
977       keep global_ocean.90x40x15 (for AD testing) with former secondary test
978       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
979    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
980        add MITgcm_tutorials (= code + all the tutorials)
981    o ecco, option to compute cost for total ssh (mean+anom)
982    o consistent with addition of ptracer and ssh in pkg/profiles
983    o profiles: adding ptracer and ssh
984    o testreport: change multi-test output-file name
985      (from output.txt.{name} to output.{name}.txt)
986    o profiles: now ok for mutli-tiles case
987    o seaice: add 4 parameters for different advection schemes for area,
988      (effective) seaice thickness, enthalphy, and snow height. Their default
989      is the standard parameter SEAICEadvScheme
990    o calc_gw:
991     - add cosFacU in zonal viscous flux (harmonic.visc.).
992     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
993       of tutorial_plume_on_slope.
994    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
995    o calc_gw: true flux-form, account for horizontal grid spacing.
996      update rotating_tank results, but not plume_on_slope (affected at
997      truncation level, 11 digits).
998    
999    checkpoint58l_post
1000    o calc_gw:
1001     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
1002     - remove side-drag for now (need to fix it); update plume_on_slope results.
1003     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
1004  o commit code to make SST/SSS weights spatially variable  o commit code to make SST/SSS weights spatially variable
1005    (based on either variable in-situ or variable initial T/S weights)    (based on either variable in-situ or variable initial T/S weights)
1006  o pkg/ecco:  o pkg/ecco:
# Line 15  o pkg/ecco: Line 1011  o pkg/ecco:
1011      (sflxumm, sfluxmm2, bal_sfluxmm)      (sflxumm, sfluxmm2, bal_sfluxmm)
1012    * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,    * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
1013      including separate counting and multipliers      including separate counting and multipliers
1014    o pkg/rbcs
1015      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
1016    
1017  checkpoint58k_post  checkpoint58k_post
1018  o testreport:  o testreport:

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