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revision 1.696 by heimbach, Sat Jul 8 00:29:20 2006 UTC revision 1.981 by gforget, Thu Apr 24 21:41:27 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 implementation of TAF directives for gchem,cfc,dic
8    o remove "exp5" (replaced by tutorial_deep_convection).
9    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
10      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
11      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
12      --> changes results in dome, exp4, internal_wave, seaice_obcs, and
13      tutorial_plume_on_slope.
14    o tutorial_deep_convection :
15      update the set-up and increase resolution and domain size ; start
16      from pseudo initial conditions = output at t=120mn in order to see
17      something happening when running testreport.
18    o pkg/seaice: add os7mp as an advection scheme
19                  add check for advection schemes
20                  add a flag for restoring T and S underneath sea ice
21    o pkg/my82: add netcdf-support and diagnostics
22    o thsice pkg:
23      - Now hsMax limits snow height by turning it into ice following
24        flooding scheme (and now conserving energy)
25      - Slight rewriting of the formula in thsice_calc_thick.F
26      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
27      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
28    
29    checkpoint59p
30    o gchem / dic / cfc :
31      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
32      - add new parameter files: "data.dic" & "data.cfc" ;
33      - various re-arrangement in initialisation & header file ;
34      - fix tutorial_global_oce_biogeo for multi-threaded test.
35    o pkg/dic: test for "pickup_dic" file when restarting ;
36      if no pickup-file, can restart with a re-initialised pH (same as it did
37      before) providing pickupStrictlyMatch is set to False.
38    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
39      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
40    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
41      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
42    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
43     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
44       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
45    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
46       scheme to use for vorticty-term ;
47     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
48       (with default selectVortScheme, return to original discretisation)
49     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
50    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
51    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
52      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
53      also fix diagnostics VISCAHW & VISCA4W.
54    
55    checkpoint59o
56    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
57    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
58      move a few statemens out the main loop into separate loops
59    o pkg/shelfice:
60      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
61        (kg/m^2/s), does not break tests, because in verification/isomip,
62        rhoConstFresh=rhoConst (by accident)
63      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
64      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
65        new file model/src/seawater.F, so that they are available for all pkgs.
66      - convert potential temperature into in-situ temperature. This changes the
67        isomip tests => update tests
68    o add a flag writePickupAtEnd (default=true) to be able to suppress
69      writing a pickup at the last timestep
70    o tools/mpack-1.6 :
71      - disable automake (not working) and autoconf (not needed).
72      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
73        also cleaner with much less compilation warnings.
74    o pkg/profiles:
75      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
76      (for "less than 32 characters name" compiler requirement)
77    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
78      conditions that have a different sampling frequency than S/T/U/V obcs
79    o pkg/diagnostics (stats-diags):
80      - fix global Min/Max in case 1 processor get only empty tiles
81    o genmake2: replace (4 times)
82         make genmake_tc_1.o >> genmake_warnings 2>&1
83      with
84         COMM="$CC $CFLAGS -c genmake_tc_1.c"
85         echo $COMM >> genmake_warnings
86         $COMM >> genmake_warnings 2>&1
87      to make genmake2 always see the value of CC as specified in the optfile.
88    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
89      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
90      - modify verification advect_cs test to test SOM-advection on CS-grid.
91    o pkg/ctrl:
92      - Rewrite of ctrl_map_ini_ecco.F,
93        introducing a generic routine (ctrl_map_ini_gen.F).
94      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
95    
96    checkpoint59n
97    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
98      number in dedicate array "hdiag":
99      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
100        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
101      - many small changes (integer format) for large number of diagnostics
102      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
103        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
104    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
105      usingSphericalGrid, this allows to define the rotated grid coordinates
106      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
107      geographical coordinates according to the inverse of the rotation defined
108      by the Euler angles, so that Coriolis parameter and online-interpolation by
109      exf works with the geographical coordinates on XC/YC/XG/YG.
110      Naturally, this feature does not work with all packages, so some
111      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
112      profiles), because there the coordinates are assumed to be regular
113      spherical grid coordinates.
114    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
115      - introduce isopycnal diffusion coefficient control.
116    o tools/adjoint_options:
117      - additional control vector components.
118    o pkg/mnc: have mnc create marginally meaning full coordinate variables
119      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
120    o pkg/mypackage:
121      - add example of read/write pickup for state-var ;
122      - add entry points to the main code for state-vars diags & write-pickup.
123    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
124      transitions for useExfYearlyFields
125      - add new subroutine that determines the file to read from for
126        use*YearlyFields = .TRUE. and .FALSE.
127      - add a verification experiment to global_with_exf that tests
128        useExfYearlyFields with USE_EXF_INTERPOLATION defined
129    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
130      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
131      subroutines (which could be generated from a template, because they are
132      almost identical), for now they are included in obcs_prescribe_read.F for
133      simplicity
134    o pkg/exf:
135      - add a little more diagnostic to exf_interp_read (in analogy to
136        mds_read_field, can be turned off with debugLevel < debugLevA=1)
137      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
138        ugly but fast by unrolling short inner loops, inserting a unroll=8
139        directive in routine lagran, and splitting a loop and making do while the
140        outermost loop (the latter requires the intoduction of index arrays)
141    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
142    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
143      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
144    o verification/seaice_obcs: updated for restart test and latest options
145    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
146      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
147      for now this is only available for the C-grid code and also within
148      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
149    
150    checkpoint59m
151    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
152      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
153    o gad_som : fix flux output (& diagnostics) to have same units as other  
154      advection scheme fluxes (was previously multiplied by deltaT).  
155    o added verification/seaice_obcs both to test seaice open boundaries
156      and to provide an example matlab scrpt for generating them
157    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
158    o pkg/salt_plume: clean up salt_plume_frac.F to
159      remove redundancy in PlumeMethod 1 and 4
160    o pkg/kpp: added saltplume diagnostics
161    o pkg/obcs and pkg/seaice:
162      - do not set uice and vice to zero when OB*icefile are unspecified
163      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
164      - moved seaice tracer obcs after call to seaice_growth
165    o pkg/salt_plume: added various options for salt plume depth
166      criterion and for vertical distribution of the salt
167    
168    checkpoint59l
169    o pkg/ptracers: new version of ptracers pickup:
170      read meta file and write only fields which are needed to restart.
171      ( same logic as main pickup file ; also using pickupStrictlyMatch )
172    o pkg/seaice:
173      - add timescale for melting due to warm mixed layer as a means of
174        setting SEAICE_availHeatFrac more conveniently
175      - add a CPP-flag/runtime parameter check for flooding algorithm
176      - reformulated availHeat in seaice_growth.F to be independent of AREA
177    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
178      unit changes
179    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
180    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
181      SX vector computer.
182    o pkg/seaice:
183      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
184        seaice forcing fields can now be read only through pkg/exf
185      - removed some unused halos
186    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
187    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
188      or U/VICE from U/VWIND before computing U/VSTRESS
189    
190    checkpoint59k
191    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
192      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
193    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
194      all experiments pass when compile with un-initialised var. checking option.
195    o added pkg/salt_plume
196    o script to test restart (for now, in MITgcm_contrib/jmc_script)
197    o pkg/seaice: new read/write pickup version.
198      read meta file and write only fields which are needed to restart.
199      ( same logic as main pickup file ; also using pickupStrictlyMatch )
200    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
201    o lab_sea.hb87: modify the domain & update output.hb87.txt :
202      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
203      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
204      process. Fixed here by closing the domain at the Northern boundary.
205    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
206    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
207      a set of consecutive levels in/from a 3-D array.
208    o pkg/ptracers:
209      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
210      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
211    
212    checkpoint59j
213    o in pkgs: dic, obcs, offline, rbcs:
214      standard way to compute coeff. for time interpolation between 2 time reccords
215      which retains full precision (& make results less dependent on compiler).
216      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
217    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
218      packages instead of reading ice cover and wind speed separately
219    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
220     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
221      to allow to compile customized code before the update)
222    o cleaning-up:
223      - fix CPP instruction syntax in pkg/obcs
224      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
225        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
226      - fix some threads issue in IO parts.
227    o pkg/dic:
228      - add tons of "_d 0" (--> much better testreports !)
229       and then update outputs of tutorial_global_oce_biogeo
230    o pkg/mom_fluxform:
231      add a special version of momentum advection intended to conserve momentum
232      next to a bathymetry step or a coastline edge. (default = off = #undef)
233    o new read/write pickup version:
234      - for now, only implemented for main (mdsio) pickup file.
235      - write out only what is needed to restart; merge pickup_nh , pickup_ph
236        and main pickup together.
237      - read meta file; read only what is needed to restart; stop if a field
238        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
239        if it make sense (even if the restart is not perfect).
240      - if no meta file, assume that pickup to read corresponds exactly to
241        a pickup that would currently be written.
242      - read pickup written in the old format (until checkpoint59i) if it
243        recognizes an old meta file (no field-list).
244      - add a meta file in exp. which starts from a pickup: 2 cases:
245        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
246         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
247        b) a meta file describing the content of the associated pickup file
248         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
249    o pkg/mdsio & pkg/rw:
250      - new routine to read a meta file ; new set of routine to read
251        Multiple-fields file (with meta file).
252    o added open boundary conditions capability for seaice
253        HSNOW, HSALT, UICE, and VICE
254    
255    checkpoint59i
256    o adjoint:
257      * fix multiDimAdvection adjoint
258        (partial recomputation problem by TAF for fVerT(:,:,kDown)
259        and comlev1 size definition (maxpass vs. max. number of tracers)
260      * verification/global_ocean.90x45x15 adjoint now tests
261        NLFS and multiDimAdvection using DST3 (=30)
262      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
263    o pkg/kpp: add "_d 0" to real constant (if missing);
264      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
265      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
266    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
267      for internal parameters related to restart process (formerly from PARAMS.h)
268      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
269    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
270      as argument. (only atm2d & obcs write_pickup have not yet been updated)
271    o pkg/monitor:
272      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
273      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
274      - account for deep Atmosphere factor and density factor (anelastic)
275    o added open boundary conditions capability for seaice HEFF and AREA
276    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
277      thermodynamics
278      - requires a little reorganization, which affects the testreport results
279        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
280        so that now the conservative form is tested
281      - add a few comments
282    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
283    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
284    o add new diagnostics to seaice: advective, diffusive fluxes (only for
285      multidim-advection, for scheme 2 they are not filled) and transports,
286      thermodynamic growth rates
287    o change units of EmPmR (inside the code, + within coupling interface)
288      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
289      Affects results @ truncation level (cg2d match) and update output of
290       experiments: lab_sea(6), global_ocean.90x40x15(10),
291      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
292      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
293      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
294      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
295    
296    checkpoint59h
297    o pkg/exf:
298      - improve vectorization by moving if-statement out of loops in
299        exf_mapfields, exf_radiation
300      - exf_bulkformulae.F: introduce 2D fields and vectorize code
301    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
302    o testreport:
303      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
304        monitor & update offline_exf_seaice exp. output.
305      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
306    o pkg/seaice:
307      - bug fix in the evp solver: boundary conditions were affected be
308        masking of zMax/zMin (changes results)
309      - minor bug fix in boundary conditions in seaice_calc_strainrates
310        (changes results for no_slip)
311      - seaice_lsr.F: make interpolation of eta dependent on boundaries
312      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
313      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
314        stress formulation and no-slip boundary conditions
315    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
316      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
317    o pkg/seaice: a first HSALT time stepping equation has been checked in
318    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
319      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
320      without requiring DO-IF statements
321    o pkg/thsice:
322      use continuous power-law function for partition of energy between lateral
323      melting/freezing and thinning/thickening ; old code using step function
324      still available with #undef THSICE_FRACEN_POWERLAW
325      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
326    o testreport: change AD testing : check against results/output_adm.txt
327      using same scripts as for forward test.
328    
329    checkpoint59g
330    o adjoint testing: in preparation for changing testreport:
331      - output format: cost and grad written on separated lines
332      - ad output results in directory "results" (instead of "results_ad")
333    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
334    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
335    o pkg/ecco: allow user defined cost function contributions
336    o testreport:
337      Allow to choose (per experiment) the list of tested output variables
338       and the main variable (used to issue a pass/FAIL ) ;
339      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
340      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
341      Also modify printing of summary:
342       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
343       b) echo the list of tested variables in the individual summary.txt of
344          each experiment.
345    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
346      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
347      (but still depend on the tile decompostion of the domain).
348    o pkg/seaice: change a discretization detail to make the B-grid code
349      "more symmetric". This change is likely to remove all "ridges/leads" that
350      where quasi-aligned with the grid in B-grid solutions. It may also be
351      the solution to the stress coupling issues with the B-grid.
352    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
353      remove .cvsignore from input dir. (since testreport no longer run here).
354    o pkg/thsice:
355     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
356     - fix reshaping of sea-ice just after advection:
357       melt all the ice only if ice-volume is too small.
358     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
359       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
360     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
361    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
362      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
363    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
364      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
365      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
366      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
367      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
368      -> update output.txt
369    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
370     this affects truncation error: -> update output.txt of exp:
371      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
372      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
373    
374    checkpoint59f
375    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
376    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
377      a bounded range (in forward mode)
378    o pkg/ecco, ctrl, autodiff and mom_common:
379     internal parameter controls, completements of implementations
380    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
381    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
382      (not seem any difference in testing results).
383    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
384       at face corners.
385    o pkg/generic_advdiff:
386     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
387      loop range indices for computing vertical advection tendency
388      and do the calculation in the interior only (no overlap) ;
389      for now, only implemented for SOM advection (to save CPU time).
390     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
391    o exch2 adjoint
392      First set of changes:
393      - add exch2 hand-written adjoint templates
394      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
395        This will require cleanup in pkg/autodiff/*.F
396        (changed routines currently kept separate in verif. code/)
397      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
398        that used to hide exch2 or cubed-sphere specific code
399        (commented via 'cph-exch2')
400    o pkg/seaice
401      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
402    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
403       output of global_ocean.cs32x15.thsice .
404    
405    checkpoint59e
406    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
407      for B-grid vector (not yet tested) and C-grid vector (<- only used
408      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
409    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
410      (#ifdef ALLOW_SALT_PLUME)
411    o gather_2d/scatter_2d: removed halo regions
412    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
413      scheme and the corresponding test case (under front_relax dir). For now,
414      only available with Skew-flux form and not yet tested in realistic set-up.
415      adjoint: store directives updated, but gradient checks deteriorated,
416      so maybe GM/Redi adjoint is now broken.
417    o seaice adjoint
418      * add AREA, HEFF, HSNOW as control variable
419        (should not change lab_sea results)
420      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
421    o pkg/seaice:
422      * added computation of saltFlux in seaice_growth;
423        For time being, sea ice salinity is assumed constant
424        contribution of snow flooding to freshening of sea ice is neglected.
425        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
426        defaults to 0.0 in order to maintain backward compatibility.
427        Typical values for SEAICE_salinity are 4 to 10 g/kg.
428      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
429      * added SEAICE_availHeatFrac, which specifies fraction of surface level
430        heat content used to melt or grow ice
431      * commented out cap of HICE: it helps keep ice thinner
432      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
433      * applied OBCS T/S mask to HEFFM sea ice mask
434    
435    checkpoint59d
436    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
437     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
438     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
439    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
440     and change default value of parameter "GM_Small_Number";
441     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
442       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
443       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
444    o pkg/ecco: cost function when applying pkg/smooth to controls
445    o pkg/ctrl: add forcingPrecond run time parameter
446    o pkg/seaice:
447     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
448     - fix bug in metric terms of u-equation in LSR solver (implicit part),
449       changes verification/lab_sea
450     - rearrange implicit part of u-equation in LSR solver to make it easier to
451       read, understand, and debug. This causes changes at the truncation level.
452     - fix (serious) bug in the boundary conditions (sign error in the implicit
453       part) of the LSR solver. Changes all LSR results.
454     - fixed problem with HSNOW initialization to avoid thick snow when AREA
455       is initilized with small values - does not change lab_sea results.
456     - added HsnowFile initialization capability
457    o pkg/smooth: addition to model/src and pkg/ctrl so allow
458     initialization of pkg/smooth and application to control vector
459    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
460    o dependencies: pkg/profiles requires pkg/cal
461    o pkg/profiles:
462     - added option ALLOW_PROFILES_GENERICGRID
463         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
464         that interpolation information (grid points and coefficients) is provided
465         within the netcdf input files.
466         -> sample matlab scripts can be found in MITgcm_contrib/gael
467         that allow you to prepare netcdf input files.
468     - also modified: cleaner include statements, cleaner error print statements,
469       cleaner stops when error, and more tests of the netcdf input files consistency.
470    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
471    o pkg/seaice:
472     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
473       requires a new routine: seaice_diagnostics_fill.F
474     - make sure that seaice does not move if not forced (pressure replacement
475       method, Hibler and Ip, 1995), changes results
476     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
477     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
478       It is turned off by default (=-1.), because it changes the results.
479     - make it possible to read AREA from a file, too.
480    
481    checkpoint59c
482    o add S/R and diagnostics for oceanic mixed-layer depth
483    o move GMRedi call after all vertical mixing schemes (including KPP)
484    o pkg/thsice:
485     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
486      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
487    o pkg/obcs:
488     - bug fix for balance code
489    o pkg/seaice:
490      - allow values of SEAICE_elasticParm > 1
491      - add new parameter SEAICE_evpTauRelax as an alternative
492        to SEAICE_elasticParm
493      - make lsr boundary conditions free slip (by default), changes result
494      - add code for no slip boundary conditions for lsr
495      - set minimum of zeta to zero (and not 4e8) (changes results)
496      - add a cap on AREA after advecting AREA if seaice_growth is not called
497    o change calculation of Visbeck K:
498      - no longer depend on tapering scheme; instead, compute slope (limited
499        by GM_maxSlope). this is equivalent to what was comuted before with
500        clipping or linear tappering.
501      - fix vertical averaging (wrong by 1/2 level)
502      - leave the old version (but will not be maintained) within
503        #ifdef OLD_VISBECK_CALC / #endif
504      - update output of exp. ideal_2D_oce
505    o change error catch in calc_r_star to improve vectorization
506    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
507      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
508    o adjoint:
509      Re-organized adjoint checkpointing according to Matt Mazloff
510      (but with modifs/completions/cleanups)
511      Storing is now bundled into large arrays to optimized I/O
512      (and second step in cleanup of the_main_loop)
513    
514    checkpoint59b
515    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
516      - export/import (between ocean & coupler) fields needed for ocean DIC.
517    o pkg/seaice:
518      - get rid of three more exchanges seaice_calc_viscosities (required
519        different loop boundaries in seaice_lsr and seaice_ocean_stress)
520      - bug fix in seaice_ocean_stress (update of lab_sea required)
521      - reduce loop boundaries to necessary minimum also in seaice_evp
522      - go back to the old way of computing deltaC/Z as the adjoint likes that
523        better
524    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
525      passive tracer to an Age Tracer) + update output.txt
526    o pkg/exf:
527      - implement A-grid / C-grid selection for wind-stress input files.
528      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
529      for now, in exf_bulk_largeyeager04.F only :
530      - change implementation for case where windspeed + 2. components wind-stress
531        are read-in. AND use rhoConstFresh to convert evap.
532    o pkg/seaice:
533      - use correct EXCH_UV for wind-forcing (on A-grid).
534      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
535        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
536    o pkg/exf:
537      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
538      EXF_INTERPOLATION:
539      - merge global_with_exf/code version of exf_interp_read.F
540        to the main code ;
541      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
542        reading the file ; Important: This options needs to be defined to recover
543        previous code.
544        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
545      - no longer loose real*8 precision along the way when using exf_iprec=64.
546    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
547      - change discretisation of evp-solver in order to avoid another exchange
548        (changes lab_sea) and clean up a little
549      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
550        help the adjoint (this also changes the results slightly)
551      - add a few "_d 0" where they had been missing in seaice_evp.F
552      - cleaning up: remove unused seaice_calc_rhs.F
553    o pkg/exf: some cleaning-up:
554      - change various "constants" into runtime parameters
555      - cleaned-up Large&Yeager04 routine which should eventually
556        replace exf_bulkformulae.F (changed names of S/R and CPP)
557        and merged various ALLOW_ATM_WIND options
558     only used with thsice pkg (in thsice_get_exf.F):
559      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
560        which are used when useStabilityFct_overIce=TRUE (= the default)
561      - change default values of ice & snow emissivity and scale downward LW
562        by ice & snow emissivity.
563    o pkg/thsice:
564     fix few little problems, in thsice_calc_thickn.F:
565      - growth vertically (and not laterally) if iceFrac == iceMaskMax
566      - melt only laterally if hIce < hThinIce (as the comments say)
567      and in thsice_extend.F:
568      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
569      - start to form ice as soon as the minimum ice-volume is reachable.
570     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
571      and cpl_aim+ocn
572    o pkg/kpp
573     - move computation of surface related input fields to KPP into a new
574       subroutine kpp_forcing_surf.F
575     - remove wrong (within bi,bj loops) EXCH calls.
576     - little cleaning (add argument myThid in last position, cvs header ...)
577     - for now, fix conservation problem by exchanging KPPviscAz (may not
578       be the best fix)
579    o pkg/seaice
580     - check for inconsistent evp parameter/cpp-flag combination
581     - remove leftover errIO flat for obsolete name list error handling
582    o OpenAD
583     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
584    
585    checkpoint59a
586    o pkg/seaice: some parameter clarifications and a little bit of clean up
587    o pkg/thsice: rename run-time parameters:
588       himin       -> hIceMin
589       himin0      -> hThinIce
590       hihig       -> hThickIce
591       i0          -> i0swFrac
592       transCoef   -> bMeltCoef
593       frac_energy -> fracMelting
594      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
595       with default values (for now) that do not change the results.
596      remove old version of thsice vars advection in pkg/seaice.
597    o in FFIELDS.h:
598      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
599      - make pLoad & sIceLoad always available (but still only used if
600         ATMOSPHERIC_LOADING is #define).
601    o pkg/kpp: replaced _KPP_RL with _RL
602    o bug fixes for vertical diffusivity computations when both KPP and
603        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
604        are no longer updating the vertical diffusivity array
605        (passed as argument) but are (re-) setting those arrays.
606    o pkg/seaice: fix bug in evp solver, while doing that
607      - change (improve?) discretization of stress computations for both
608        cgrid-lsr and evp solver
609      - add a new routine to compute strain rates
610      - the above changes lab_sea results
611      - add no slip conditions for evp solver (off by default), lsr-version
612        may follow
613      - fix exchange for shear at Z-points (does not change lab_sea)
614      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
615        (to force the user to pick a time step since there is not "safe" way
616        of choosing it)
617      - add principal stress diagnostics
618      - rearrange fields for evp a little to avoid having to call a: too many
619        exchanges and b: exchanges for stress trensor components which we do
620        not have.
621      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
622        of evp, complete rewrite for lsr case (latter is does not yet work
623        in all cases)
624    o pkg/kpp: add code to have mixing in shelf ice caverns
625      - add myThid to all kpp routines (long overdue)
626    
627    checkpoint59
628    o pkg/exf:
629      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
630        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
631      - move exf header files from lower_case.h to UPPER_CASE.h ;
632        add missing cvs Header & Name
633      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
634      - add namelist param. selectStressGridPosition, exf_monFreq
635      - retire many _CLIM routines, and remove data.exf_clim
636        + params moved to data.exf
637        + climsst, climsss now handled by exf_set_gen, i.e.
638          climss?period=0 refers to constant field,
639          climss?period=-12 to monthly forcing
640      - split up namelists in data.exf
641    o pkg/seaice:
642      - remove seaice_exch and seaice_exch_uv
643      - remove superfluous exchange of theta
644      - add myThid to seaice_budget_ocean/ice
645      - add new interface for atmospheric wind forcing (C-grid only)
646        + new routine
647        + two new field (taux, tauy for stress over ice)
648        + removed one global field (DAIRN) for C-grid case only
649    o pkg/thsise
650      - 2nd set of modifs for thsice adjoint in conjunction with exf
651    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
652    
653    checkpoint58y_post
654    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
655      vertical diffusivity, similar to that in MOM4; turned on using
656      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
657      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
658    o Added capability for 3D specification of background vertical diffusion
659      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
660      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
661      "data" file that contains the 3D vertical diffusivity coefficients.
662    o ice dynamics (pkg/seaice) with thsice thermodynamics:
663      - add code within pkg thsice to advect & diffuse sea-ice fields
664      similar to (and will replace) what has been added in  seaice_advdiff.F,
665      but: - conserving Mass, Heat & Salt.
666           - better when using non-linear advection scheme (not yet fully tested)
667           - can also be used in atmospheric set-up (for now, only the diffusion).
668    
669    checkpoint58x_post
670    o IO option for global-file compact format:
671      - add options when generating topology (utils/exch2/matlab-topology-generator)
672      - add I/O capability (pkg/mdsio).
673      - adapt utils/matlab/rdmds.m to read this format.
674      for now long-line format not yet supported by pkg/mdsio (& exch2).
675    o shelfice: add a few diagnostics
676    
677    checkpoint58w_post
678    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
679      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
680      (and replace horiVertRatio in NH code).
681      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
682                         and tutorial_plume_on_slope (sensitive to truncation)
683    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
684      directly to drive seaice model (C-grid only)
685    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
686     - reintroduce computation of wind from stress,
687     - compute tau (in exf_bulkformulae.F) from windstress averaged to
688       mass points to avoid tau = 0
689     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
690    o rdmnc.m: make it work with "global" files created with gluemnc
691    o rdmnc.m : some improvements in dealing with singleton dimension
692      (tested on all testreport mnc output files).
693    o genmake2: disable pkg/profiles if netcdf test fails.
694    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
695    o move call to cal_readparms up to make calendar parameters/variable available
696      to all packages
697    
698    checkpoint58v_post
699    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
700      useDynP_inEos_Zc tested.
701    o pkg/exf: changes to properly interpolate/mask/scale initial fields
702    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
703      and portions thereof.  See read_cs.txt for description and examples.
704    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
705      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
706      following the great-circle arc between those 2 points.
707    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
708      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
709    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
710     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
711     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
712     - still needs work (not working with some options ; efficiency to improve)
713       and serious testing.
714     - use this scheme for temperature & salinity in 2 advection test exp.:
715       advect_xy & advect_xz, respectively.
716    
717    checkpoint58u_post
718    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
719    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
720    o testreport: add option "-skipdir" to skip some test.
721    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
722      momentum calculation.
723    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
724    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
725      remove checkpoint.F and the_correction_step.F (no longer used);
726      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
727    o add option (linFSConserveTr) to correct for tracer source/sink due to
728      Linear Free surface
729    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
730    o pkg/thsice: fix reading mnc-pickups
731    
732    checkpoint58t_post
733    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
734    o pkg/mdsio:
735     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
736       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
737       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
738     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
739     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
740       either MDS_READ_FIELD or MDS_WRITE_FIELD )
741     - new S/R (to replace MDSWRITEMETA), which allows to write more
742       informations (variable names, time ...) to meta files.
743     - modify rdmds.m to give back the meta file content.
744    o pkg/diagnostics: change vertical interpolation to be safer, and more
745       flexible (define p-levels to interpolate to in data.diagnostics);
746      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
747       diagnostic pointer.
748    o pkg/seaice: more cleaning up of seaice_growth, added many comments
749    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
750    o fix multi-category seaice:
751     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
752       SEAICE_MULTICATEGORY
753     - fix short wave heat flux
754    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
755       and allow to use EVP solver. Change forward lab_sea: test both EVP
756       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
757    o Initial check-in of lab_sea adjoint
758      (very similar to natl_box_adjoint/code_seaice)
759      * used C-grid and EVP solver
760      * used KPP, GM/Redi
761      * uses inAdExact=.TRUE.
762      * gradient checks fail for both ADM and TLM
763        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
764        f.d. gradients actually seem more problematic than ADM, TLM gradients;
765        issue is related to forward mismatch between g77 an ifort
766    o pkg/seaice: overhaul of thermodynamics
767     - growth.F and groatb.F are replaced by new routine seaice_growth.F
768     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
769     - move a few global fields out of SEAICE.h into seaice_growth.F and
770       make them 2D (FICE/QNETO/ ...)
771     - remove FO (it is the same as QNETO)
772     - introduce a few local fields to avoid modifying external fields such
773       as atemp, etc.
774    
775    checkpoint58s_post
776    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
777      changed exf_set_gen.F so that
778        genperiod=0 means input file is one time-constant field and
779        genperiod=-12 means input file contains 12 monthly means
780    o CG2D: use pre-computed solver main-diagonal (stored in common block);
781      this affects truncation error ; generate new output file for exp. which
782      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
783        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
784        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
785        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
786        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
787        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
788    o start implementation of deep-atmosphere and anelastic formulation
789    o verification: remove 2nd copy of input files and use script "prepare_run"
790      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
791    o mom_common/vecinv/fluxform: fix a few initialisation isssues
792    o profiles: fix for multithreaded case
793    
794    o diagnostics: rename few diags:
795      s/'PRESSURE'/'RCENTER '/g
796      s/'TICE    '/'oceFreez'/g
797      s/'TAUX    '/'oceTAUX '/g
798      s/'TAUY    '/'oceTAUY '/g
799      s/'SWFLUX  '/'oceQsw  '/g
800      s/DIFx/DFxE/g
801      s/DIFy/DFyE/g
802      and add few ocean-forcing diagnostics:
803      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
804    o modifications to pkg/seaice/growth.F and budget.F, which change results of
805      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
806      as actual snow thickness.  It now refers everywhere to effective snow
807      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
808    
809    checkpoint58r_post
810    o modifications to pkg/seaice/growth.F, which change results of
811      lab_sea experiment: fixes pertain to melting snow over open water, to
812      masking EVAP under sea ice, and to using the correct AREA variable for
813      computations of EVAP, PRECIP, HSNOW, and GHEFF
814    o add ability to read bathy, salt, and theta using MNC (off by def)
815    o add flooding algorithm and advection of HSNOW for pkg/seaice;
816      both are turned off by default and do no change any results
817    o seaice advection with pkg/thsice: a step toward the use of non-linear
818      advection scheme, but #ifdef or commented out for now (requires more EXCH).
819    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
820      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
821      in natl_box (affects results @ truncation level: update output.txt)
822    o multi-threading and IO:
823      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
824      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
825        (needed to work with SingleCpuIO): tested in all verif. exp.
826    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
827      affects the results (but none of the verification test uses this scheme).
828    o Adding some pkg/diagnostics capability to pkg/seaice
829      (will certainly be subject to changes)
830    o ctrl: adding new control variables:
831      lwflux, lwdown, evap, snowprecip, apressure, runoff
832    
833    checkpoint58q_post
834    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
835      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
836      high_res_cube configuration by 4% on Columbia.
837    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
838      add (in global_with_exf/code) a version of EXF_INTERP_READ without
839      dynamical allocation (seems to work in multi-threaded).
840    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
841      single CPU io) so that TAF does not have to see EESUPPORT.h
842    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
843    
844    checkpoint58p_post
845    o obcs: stop if obcs is used with useCDscheme = .true.
846    o shelfice:
847     - fix a sign error so that no slip at shelfice interface works
848     - remove stop for combination non-hydrostatic code and shelfice. That does
849       not mean, that the results are correct, but at least they are numerically
850       stable
851    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
852    o added adjoint exch routined for all exch*3d* routines
853      and updated flow directives
854    
855    checkpoint58o_post
856    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
857      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
858    o change controling S/R for writing pickup file (new S/R do_write_pickup)
859      and clean-up reading/writing of pickup files.
860    o fix local version of read/write pickup (NH part) in rotating_tank/code
861    o simplify EXCH interface:
862     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
863     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
864    o added the regrid package
865    o shelfice:
866     - add a simple boundary layer scheme to reduce noise
867     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
868    
869    checkpoint58n_post
870    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
871       local variable (not in common block).
872    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
873      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
874      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
875        to work with SingleCpuIO.
876    o add "_d 0" to real constant of pkg/cfc subroutines ;
877       update exp. cfc_exemple & tutorial_cfc_offline output files.
878    o multi-threading and IO:
879      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
880        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
881      - barrier before and after reading.
882      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
883      - avoid using MDS_WRITELOCAL for LAND pkg output.
884      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
885        common-block variables ; Allows multi-threading with master-thread IO.
886    o change default MAX_NO_THREADS from 32 to 4 ;
887      and stop cleanly when MAX_NO_THREADS is too small.
888    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
889    
890    checkpoint58m_post
891    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
892       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
893    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
894       keep global_ocean.90x40x15 (for AD testing) with former secondary test
895       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
896    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
897        add MITgcm_tutorials (= code + all the tutorials)
898    o ecco, option to compute cost for total ssh (mean+anom)
899    o consistent with addition of ptracer and ssh in pkg/profiles
900    o profiles: adding ptracer and ssh
901    o testreport: change multi-test output-file name
902      (from output.txt.{name} to output.{name}.txt)
903    o profiles: now ok for mutli-tiles case
904    o seaice: add 4 parameters for different advection schemes for area,
905      (effective) seaice thickness, enthalphy, and snow height. Their default
906      is the standard parameter SEAICEadvScheme
907    o calc_gw:
908     - add cosFacU in zonal viscous flux (harmonic.visc.).
909     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
910       of tutorial_plume_on_slope.
911    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
912    o calc_gw: true flux-form, account for horizontal grid spacing.
913      update rotating_tank results, but not plume_on_slope (affected at
914      truncation level, 11 digits).
915    
916    checkpoint58l_post
917    o calc_gw:
918     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
919     - remove side-drag for now (need to fix it); update plume_on_slope results.
920     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
921  o commit code to make SST/SSS weights spatially variable  o commit code to make SST/SSS weights spatially variable
922    (based on either variable in-situ or variable initial T/S weights)    (based on either variable in-situ or variable initial T/S weights)
923  o pkg/ecco:  o pkg/ecco:
# Line 15  o pkg/ecco: Line 928  o pkg/ecco:
928      (sflxumm, sfluxmm2, bal_sfluxmm)      (sflxumm, sfluxmm2, bal_sfluxmm)
929    * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,    * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
930      including separate counting and multipliers      including separate counting and multipliers
931    o pkg/rbcs
932      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
933    
934  checkpoint58k_post  checkpoint58k_post
935  o testreport:  o testreport:

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