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revision 1.638 by heimbach, Thu Mar 23 19:59:59 2006 UTC revision 1.943 by mlosch, Wed Jan 23 16:41:21 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/exf:
8      - add a little more diagnostic to exf_interp_read (in analogy to
9        mds_read_field, can be turned off with debugLevel < debugLevA=1)
10      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
11        ugly but fast (vectorization is not yet complete)
12    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
13    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
14      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
15    o verification/seaice_obcs: updated for restart test and latest options
16    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
17      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
18      for now this is only available for the C-grid code and also within
19      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
20    
21    checkpoint59m
22    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
23      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
24    o gad_som : fix flux output (& diagnostics) to have same units as other  
25      advection scheme fluxes (was previously multiplied by deltaT).  
26    o added verification/seaice_obcs both to test seaice open boundaries
27      and to provide an example matlab scrpt for generating them
28    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
29    o pkg/salt_plume: clean up salt_plume_frac.F to
30      remove redundancy in PlumeMethod 1 and 4
31    o pkg/kpp: added saltplume diagnostics
32    o pkg/obcs and pkg/seaice:
33      - do not set uice and vice to zero when OB*icefile are unspecified
34      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
35      - moved seaice tracer obcs after call to seaice_growth
36    o pkg/salt_plume: added various options for salt plume depth
37      criterion and for vertical distribution of the salt
38    
39    checkpoint59l
40    o pkg/ptracers: new version of ptracers pickup:
41      read meta file and write only fields which are needed to restart.
42      ( same logic as main pickup file ; also using pickupStrictlyMatch )
43    o pkg/seaice:
44      - add timescale for melting due to warm mixed layer as a means of
45        setting SEAICE_availHeatFrac more conveniently
46      - add a CPP-flag/runtime parameter check for flooding algorithm
47      - reformulated availHeat in seaice_growth.F to be independent of AREA
48    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
49      unit changes
50    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
51    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
52      SX vector computer.
53    o pkg/seaice:
54      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
55        seaice forcing fields can now be read only through pkg/exf
56      - removed some unused halos
57    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
58    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
59      or U/VICE from U/VWIND before computing U/VSTRESS
60    
61    checkpoint59k
62    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
63      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
64    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
65      all experiments pass when compile with un-initialised var. checking option.
66    o added pkg/salt_plume
67    o script to test restart (for now, in MITgcm_contrib/jmc_script)
68    o pkg/seaice: new read/write pickup version.
69      read meta file and write only fields which are needed to restart.
70      ( same logic as main pickup file ; also using pickupStrictlyMatch )
71    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
72    o lab_sea.hb87: modify the domain & update output.hb87.txt :
73      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
74      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
75      process. Fixed here by closing the domain at the Northern boundary.
76    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
77    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
78      a set of consecutive levels in/from a 3-D array.
79    o pkg/ptracers:
80      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
81      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
82    
83    checkpoint59j
84    o in pkgs: dic, obcs, offline, rbcs:
85      standard way to compute coeff. for time interpolation between 2 time reccords
86      which retains full precision (& make results less dependent on compiler).
87      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
88    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
89      packages instead of reading ice cover and wind speed separately
90    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
91     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
92      to allow to compile customized code before the update)
93    o cleaning-up:
94      - fix CPP instruction syntax in pkg/obcs
95      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
96        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
97      - fix some threads issue in IO parts.
98    o pkg/dic:
99      - add tons of "_d 0" (--> much better testreports !)
100       and then update outputs of tutorial_global_oce_biogeo
101    o pkg/mom_fluxform:
102      add a special version of momentum advection intended to conserve momentum
103      next to a bathymetry step or a coastline edge. (default = off = #undef)
104    o new read/write pickup version:
105      - for now, only implemented for main (mdsio) pickup file.
106      - write out only what is needed to restart; merge pickup_nh , pickup_ph
107        and main pickup together.
108      - read meta file; read only what is needed to restart; stop if a field
109        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
110        if it make sense (even if the restart is not perfect).
111      - if no meta file, assume that pickup to read corresponds exactly to
112        a pickup that would currently be written.
113      - read pickup written in the old format (until checkpoint59i) if it
114        recognizes an old meta file (no field-list).
115      - add a meta file in exp. which starts from a pickup: 2 cases:
116        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
117         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
118        b) a meta file describing the content of the associated pickup file
119         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
120    o pkg/mdsio & pkg/rw:
121      - new routine to read a meta file ; new set of routine to read
122        Multiple-fields file (with meta file).
123    o added open boundary conditions capability for seaice
124        HSNOW, HSALT, UICE, and VICE
125    
126    checkpoint59i
127    o adjoint:
128      * fix multiDimAdvection adjoint
129        (partial recomputation problem by TAF for fVerT(:,:,kDown)
130        and comlev1 size definition (maxpass vs. max. number of tracers)
131      * verification/global_ocean.90x45x15 adjoint now tests
132        NLFS and multiDimAdvection using DST3 (=30)
133      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
134    o pkg/kpp: add "_d 0" to real constant (if missing);
135      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
136      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
137    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
138      for internal parameters related to restart process (formerly from PARAMS.h)
139      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
140    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
141      as argument. (only atm2d & obcs write_pickup have not yet been updated)
142    o pkg/monitor:
143      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
144      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
145      - account for deep Atmosphere factor and density factor (anelastic)
146    o added open boundary conditions capability for seaice HEFF and AREA
147    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
148      thermodynamics
149      - requires a little reorganization, which affects the testreport results
150        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
151        so that now the conservative form is tested
152      - add a few comments
153    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
154    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
155    o add new diagnostics to seaice: advective, diffusive fluxes (only for
156      multidim-advection, for scheme 2 they are not filled) and transports,
157      thermodynamic growth rates
158    o change units of EmPmR (inside the code, + within coupling interface)
159      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
160      Affects results @ truncation level (cg2d match) and update output of
161       experiments: lab_sea(6), global_ocean.90x40x15(10),
162      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
163      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
164      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
165      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
166    
167    checkpoint59h
168    o pkg/exf:
169      - improve vectorization by moving if-statement out of loops in
170        exf_mapfields, exf_radiation
171      - exf_bulkformulae.F: introduce 2D fields and vectorize code
172    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
173    o testreport:
174      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
175        monitor & update offline_exf_seaice exp. output.
176      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
177    o pkg/seaice:
178      - bug fix in the evp solver: boundary conditions were affected be
179        masking of zMax/zMin (changes results)
180      - minor bug fix in boundary conditions in seaice_calc_strainrates
181        (changes results for no_slip)
182      - seaice_lsr.F: make interpolation of eta dependent on boundaries
183      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
184      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
185        stress formulation and no-slip boundary conditions
186    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
187      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
188    o pkg/seaice: a first HSALT time stepping equation has been checked in
189    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
190      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
191      without requiring DO-IF statements
192    o pkg/thsice:
193      use continuous power-law function for partition of energy between lateral
194      melting/freezing and thinning/thickening ; old code using step function
195      still available with #undef THSICE_FRACEN_POWERLAW
196      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
197    o testreport: change AD testing : check against results/output_adm.txt
198      using same scripts as for forward test.
199    
200    checkpoint59g
201    o adjoint testing: in preparation for changing testreport:
202      - output format: cost and grad written on separated lines
203      - ad output results in directory "results" (instead of "results_ad")
204    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
205    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
206    o pkg/ecco: allow user defined cost function contributions
207    o testreport:
208      Allow to choose (per experiment) the list of tested output variables
209       and the main variable (used to issue a pass/FAIL ) ;
210      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
211      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
212      Also modify printing of summary:
213       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
214       b) echo the list of tested variables in the individual summary.txt of
215          each experiment.
216    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
217      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
218      (but still depend on the tile decompostion of the domain).
219    o pkg/seaice: change a discretization detail to make the B-grid code
220      "more symmetric". This change is likely to remove all "ridges/leads" that
221      where quasi-aligned with the grid in B-grid solutions. It may also be
222      the solution to the stress coupling issues with the B-grid.
223    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
224      remove .cvsignore from input dir. (since testreport no longer run here).
225    o pkg/thsice:
226     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
227     - fix reshaping of sea-ice just after advection:
228       melt all the ice only if ice-volume is too small.
229     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
230       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
231     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
232    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
233      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
234    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
235      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
236      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
237      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
238      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
239      -> update output.txt
240    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
241     this affects truncation error: -> update output.txt of exp:
242      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
243      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
244    
245    checkpoint59f
246    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
247    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
248      a bounded range (in forward mode)
249    o pkg/ecco, ctrl, autodiff and mom_common:
250     internal parameter controls, completements of implementations
251    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
252    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
253      (not seem any difference in testing results).
254    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
255       at face corners.
256    o pkg/generic_advdiff:
257     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
258      loop range indices for computing vertical advection tendency
259      and do the calculation in the interior only (no overlap) ;
260      for now, only implemented for SOM advection (to save CPU time).
261     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
262    o exch2 adjoint
263      First set of changes:
264      - add exch2 hand-written adjoint templates
265      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
266        This will require cleanup in pkg/autodiff/*.F
267        (changed routines currently kept separate in verif. code/)
268      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
269        that used to hide exch2 or cubed-sphere specific code
270        (commented via 'cph-exch2')
271    o pkg/seaice
272      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
273    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
274       output of global_ocean.cs32x15.thsice .
275    
276    checkpoint59e
277    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
278      for B-grid vector (not yet tested) and C-grid vector (<- only used
279      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
280    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
281      (#ifdef ALLOW_SALT_PLUME)
282    o gather_2d/scatter_2d: removed halo regions
283    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
284      scheme and the corresponding test case (under front_relax dir). For now,
285      only available with Skew-flux form and not yet tested in realistic set-up.
286      adjoint: store directives updated, but gradient checks deteriorated,
287      so maybe GM/Redi adjoint is now broken.
288    o seaice adjoint
289      * add AREA, HEFF, HSNOW as control variable
290        (should not change lab_sea results)
291      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
292    o pkg/seaice:
293      * added computation of saltFlux in seaice_growth;
294        For time being, sea ice salinity is assumed constant
295        contribution of snow flooding to freshening of sea ice is neglected.
296        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
297        defaults to 0.0 in order to maintain backward compatibility.
298        Typical values for SEAICE_salinity are 4 to 10 g/kg.
299      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
300      * added SEAICE_availHeatFrac, which specifies fraction of surface level
301        heat content used to melt or grow ice
302      * commented out cap of HICE: it helps keep ice thinner
303      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
304      * applied OBCS T/S mask to HEFFM sea ice mask
305    
306    checkpoint59d
307    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
308     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
309     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
310    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
311     and change default value of parameter "GM_Small_Number";
312     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
313       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
314       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
315    o pkg/ecco: cost function when applying pkg/smooth to controls
316    o pkg/ctrl: add forcingPrecond run time parameter
317    o pkg/seaice:
318     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
319     - fix bug in metric terms of u-equation in LSR solver (implicit part),
320       changes verification/lab_sea
321     - rearrange implicit part of u-equation in LSR solver to make it easier to
322       read, understand, and debug. This causes changes at the truncation level.
323     - fix (serious) bug in the boundary conditions (sign error in the implicit
324       part) of the LSR solver. Changes all LSR results.
325     - fixed problem with HSNOW initialization to avoid thick snow when AREA
326       is initilized with small values - does not change lab_sea results.
327     - added HsnowFile initialization capability
328    o pkg/smooth: addition to model/src and pkg/ctrl so allow
329     initialization of pkg/smooth and application to control vector
330    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
331    o dependencies: pkg/profiles requires pkg/cal
332    o pkg/profiles:
333     - added option ALLOW_PROFILES_GENERICGRID
334         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
335         that interpolation information (grid points and coefficients) is provided
336         within the netcdf input files.
337         -> sample matlab scripts can be found in MITgcm_contrib/gael
338         that allow you to prepare netcdf input files.
339     - also modified: cleaner include statements, cleaner error print statements,
340       cleaner stops when error, and more tests of the netcdf input files consistency.
341    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
342    o pkg/seaice:
343     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
344       requires a new routine: seaice_diagnostics_fill.F
345     - make sure that seaice does not move if not forced (pressure replacement
346       method, Hibler and Ip, 1995), changes results
347     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
348     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
349       It is turned off by default (=-1.), because it changes the results.
350     - make it possible to read AREA from a file, too.
351    
352    checkpoint59c
353    o add S/R and diagnostics for oceanic mixed-layer depth
354    o move GMRedi call after all vertical mixing schemes (including KPP)
355    o pkg/thsice:
356     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
357      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
358    o pkg/obcs:
359     - bug fix for balance code
360    o pkg/seaice:
361      - allow values of SEAICE_elasticParm > 1
362      - add new parameter SEAICE_evpTauRelax as an alternative
363        to SEAICE_elasticParm
364      - make lsr boundary conditions free slip (by default), changes result
365      - add code for no slip boundary conditions for lsr
366      - set minimum of zeta to zero (and not 4e8) (changes results)
367      - add a cap on AREA after advecting AREA if seaice_growth is not called
368    o change calculation of Visbeck K:
369      - no longer depend on tapering scheme; instead, compute slope (limited
370        by GM_maxSlope). this is equivalent to what was comuted before with
371        clipping or linear tappering.
372      - fix vertical averaging (wrong by 1/2 level)
373      - leave the old version (but will not be maintained) within
374        #ifdef OLD_VISBECK_CALC / #endif
375      - update output of exp. ideal_2D_oce
376    o change error catch in calc_r_star to improve vectorization
377    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
378      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
379    o adjoint:
380      Re-organized adjoint checkpointing according to Matt Mazloff
381      (but with modifs/completions/cleanups)
382      Storing is now bundled into large arrays to optimized I/O
383      (and second step in cleanup of the_main_loop)
384    
385    checkpoint59b
386    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
387      - export/import (between ocean & coupler) fields needed for ocean DIC.
388    o pkg/seaice:
389      - get rid of three more exchanges seaice_calc_viscosities (required
390        different loop boundaries in seaice_lsr and seaice_ocean_stress)
391      - bug fix in seaice_ocean_stress (update of lab_sea required)
392      - reduce loop boundaries to necessary minimum also in seaice_evp
393      - go back to the old way of computing deltaC/Z as the adjoint likes that
394        better
395    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
396      passive tracer to an Age Tracer) + update output.txt
397    o pkg/exf:
398      - implement A-grid / C-grid selection for wind-stress input files.
399      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
400      for now, in exf_bulk_largeyeager04.F only :
401      - change implementation for case where windspeed + 2. components wind-stress
402        are read-in. AND use rhoConstFresh to convert evap.
403    o pkg/seaice:
404      - use correct EXCH_UV for wind-forcing (on A-grid).
405      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
406        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
407    o pkg/exf:
408      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
409      EXF_INTERPOLATION:
410      - merge global_with_exf/code version of exf_interp_read.F
411        to the main code ;
412      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
413        reading the file ; Important: This options needs to be defined to recover
414        previous code.
415        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
416      - no longer loose real*8 precision along the way when using exf_iprec=64.
417    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
418      - change discretisation of evp-solver in order to avoid another exchange
419        (changes lab_sea) and clean up a little
420      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
421        help the adjoint (this also changes the results slightly)
422      - add a few "_d 0" where they had been missing in seaice_evp.F
423      - cleaning up: remove unused seaice_calc_rhs.F
424    o pkg/exf: some cleaning-up:
425      - change various "constants" into runtime parameters
426      - cleaned-up Large&Yeager04 routine which should eventually
427        replace exf_bulkformulae.F (changed names of S/R and CPP)
428        and merged various ALLOW_ATM_WIND options
429     only used with thsice pkg (in thsice_get_exf.F):
430      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
431        which are used when useStabilityFct_overIce=TRUE (= the default)
432      - change default values of ice & snow emissivity and scale downward LW
433        by ice & snow emissivity.
434    o pkg/thsice:
435     fix few little problems, in thsice_calc_thickn.F:
436      - growth vertically (and not laterally) if iceFrac == iceMaskMax
437      - melt only laterally if hIce < hThinIce (as the comments say)
438      and in thsice_extend.F:
439      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
440      - start to form ice as soon as the minimum ice-volume is reachable.
441     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
442      and cpl_aim+ocn
443    o pkg/kpp
444     - move computation of surface related input fields to KPP into a new
445       subroutine kpp_forcing_surf.F
446     - remove wrong (within bi,bj loops) EXCH calls.
447     - little cleaning (add argument myThid in last position, cvs header ...)
448     - for now, fix conservation problem by exchanging KPPviscAz (may not
449       be the best fix)
450    o pkg/seaice
451     - check for inconsistent evp parameter/cpp-flag combination
452     - remove leftover errIO flat for obsolete name list error handling
453    o OpenAD
454     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
455    
456    checkpoint59a
457    o pkg/seaice: some parameter clarifications and a little bit of clean up
458    o pkg/thsice: rename run-time parameters:
459       himin       -> hIceMin
460       himin0      -> hThinIce
461       hihig       -> hThickIce
462       i0          -> i0swFrac
463       transCoef   -> bMeltCoef
464       frac_energy -> fracMelting
465      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
466       with default values (for now) that do not change the results.
467      remove old version of thsice vars advection in pkg/seaice.
468    o in FFIELDS.h:
469      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
470      - make pLoad & sIceLoad always available (but still only used if
471         ATMOSPHERIC_LOADING is #define).
472    o pkg/kpp: replaced _KPP_RL with _RL
473    o bug fixes for vertical diffusivity computations when both KPP and
474        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
475        are no longer updating the vertical diffusivity array
476        (passed as argument) but are (re-) setting those arrays.
477    o pkg/seaice: fix bug in evp solver, while doing that
478      - change (improve?) discretization of stress computations for both
479        cgrid-lsr and evp solver
480      - add a new routine to compute strain rates
481      - the above changes lab_sea results
482      - add no slip conditions for evp solver (off by default), lsr-version
483        may follow
484      - fix exchange for shear at Z-points (does not change lab_sea)
485      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
486        (to force the user to pick a time step since there is not "safe" way
487        of choosing it)
488      - add principal stress diagnostics
489      - rearrange fields for evp a little to avoid having to call a: too many
490        exchanges and b: exchanges for stress trensor components which we do
491        not have.
492      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
493        of evp, complete rewrite for lsr case (latter is does not yet work
494        in all cases)
495    o pkg/kpp: add code to have mixing in shelf ice caverns
496      - add myThid to all kpp routines (long overdue)
497    
498    checkpoint59
499    o pkg/exf:
500      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
501        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
502      - move exf header files from lower_case.h to UPPER_CASE.h ;
503        add missing cvs Header & Name
504      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
505      - add namelist param. selectStressGridPosition, exf_monFreq
506      - retire many _CLIM routines, and remove data.exf_clim
507        + params moved to data.exf
508        + climsst, climsss now handled by exf_set_gen, i.e.
509          climss?period=0 refers to constant field,
510          climss?period=-12 to monthly forcing
511      - split up namelists in data.exf
512    o pkg/seaice:
513      - remove seaice_exch and seaice_exch_uv
514      - remove superfluous exchange of theta
515      - add myThid to seaice_budget_ocean/ice
516      - add new interface for atmospheric wind forcing (C-grid only)
517        + new routine
518        + two new field (taux, tauy for stress over ice)
519        + removed one global field (DAIRN) for C-grid case only
520    o pkg/thsise
521      - 2nd set of modifs for thsice adjoint in conjunction with exf
522    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
523    
524    checkpoint58y_post
525    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
526      vertical diffusivity, similar to that in MOM4; turned on using
527      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
528      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
529    o Added capability for 3D specification of background vertical diffusion
530      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
531      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
532      "data" file that contains the 3D vertical diffusivity coefficients.
533    o ice dynamics (pkg/seaice) with thsice thermodynamics:
534      - add code within pkg thsice to advect & diffuse sea-ice fields
535      similar to (and will replace) what has been added in  seaice_advdiff.F,
536      but: - conserving Mass, Heat & Salt.
537           - better when using non-linear advection scheme (not yet fully tested)
538           - can also be used in atmospheric set-up (for now, only the diffusion).
539    
540    checkpoint58x_post
541    o IO option for global-file compact format:
542      - add options when generating topology (utils/exch2/matlab-topology-generator)
543      - add I/O capability (pkg/mdsio).
544      - adapt utils/matlab/rdmds.m to read this format.
545      for now long-line format not yet supported by pkg/mdsio (& exch2).
546    o shelfice: add a few diagnostics
547    
548    checkpoint58w_post
549    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
550      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
551      (and replace horiVertRatio in NH code).
552      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
553                         and tutorial_plume_on_slope (sensitive to truncation)
554    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
555      directly to drive seaice model (C-grid only)
556    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
557     - reintroduce computation of wind from stress,
558     - compute tau (in exf_bulkformulae.F) from windstress averaged to
559       mass points to avoid tau = 0
560     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
561    o rdmnc.m: make it work with "global" files created with gluemnc
562    o rdmnc.m : some improvements in dealing with singleton dimension
563      (tested on all testreport mnc output files).
564    o genmake2: disable pkg/profiles if netcdf test fails.
565    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
566    o move call to cal_readparms up to make calendar parameters/variable available
567      to all packages
568    
569    checkpoint58v_post
570    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
571      useDynP_inEos_Zc tested.
572    o pkg/exf: changes to properly interpolate/mask/scale initial fields
573    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
574      and portions thereof.  See read_cs.txt for description and examples.
575    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
576      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
577      following the great-circle arc between those 2 points.
578    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
579      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
580    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
581     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
582     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
583     - still needs work (not working with some options ; efficiency to improve)
584       and serious testing.
585     - use this scheme for temperature & salinity in 2 advection test exp.:
586       advect_xy & advect_xz, respectively.
587    
588    checkpoint58u_post
589    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
590    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
591    o testreport: add option "-skipdir" to skip some test.
592    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
593      momentum calculation.
594    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
595    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
596      remove checkpoint.F and the_correction_step.F (no longer used);
597      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
598    o add option (linFSConserveTr) to correct for tracer source/sink due to
599      Linear Free surface
600    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
601    o pkg/thsice: fix reading mnc-pickups
602    
603    checkpoint58t_post
604    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
605    o pkg/mdsio:
606     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
607       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
608       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
609     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
610     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
611       either MDS_READ_FIELD or MDS_WRITE_FIELD )
612     - new S/R (to replace MDSWRITEMETA), which allows to write more
613       informations (variable names, time ...) to meta files.
614     - modify rdmds.m to give back the meta file content.
615    o pkg/diagnostics: change vertical interpolation to be safer, and more
616       flexible (define p-levels to interpolate to in data.diagnostics);
617      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
618       diagnostic pointer.
619    o pkg/seaice: more cleaning up of seaice_growth, added many comments
620    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
621    o fix multi-category seaice:
622     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
623       SEAICE_MULTICATEGORY
624     - fix short wave heat flux
625    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
626       and allow to use EVP solver. Change forward lab_sea: test both EVP
627       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
628    o Initial check-in of lab_sea adjoint
629      (very similar to natl_box_adjoint/code_seaice)
630      * used C-grid and EVP solver
631      * used KPP, GM/Redi
632      * uses inAdExact=.TRUE.
633      * gradient checks fail for both ADM and TLM
634        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
635        f.d. gradients actually seem more problematic than ADM, TLM gradients;
636        issue is related to forward mismatch between g77 an ifort
637    o pkg/seaice: overhaul of thermodynamics
638     - growth.F and groatb.F are replaced by new routine seaice_growth.F
639     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
640     - move a few global fields out of SEAICE.h into seaice_growth.F and
641       make them 2D (FICE/QNETO/ ...)
642     - remove FO (it is the same as QNETO)
643     - introduce a few local fields to avoid modifying external fields such
644       as atemp, etc.
645    
646    checkpoint58s_post
647    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
648      changed exf_set_gen.F so that
649        genperiod=0 means input file is one time-constant field and
650        genperiod=-12 means input file contains 12 monthly means
651    o CG2D: use pre-computed solver main-diagonal (stored in common block);
652      this affects truncation error ; generate new output file for exp. which
653      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
654        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
655        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
656        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
657        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
658        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
659    o start implementation of deep-atmosphere and anelastic formulation
660    o verification: remove 2nd copy of input files and use script "prepare_run"
661      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
662    o mom_common/vecinv/fluxform: fix a few initialisation isssues
663    o profiles: fix for multithreaded case
664    
665    o diagnostics: rename few diags:
666      s/'PRESSURE'/'RCENTER '/g
667      s/'TICE    '/'oceFreez'/g
668      s/'TAUX    '/'oceTAUX '/g
669      s/'TAUY    '/'oceTAUY '/g
670      s/'SWFLUX  '/'oceQsw  '/g
671      s/DIFx/DFxE/g
672      s/DIFy/DFyE/g
673      and add few ocean-forcing diagnostics:
674      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
675    o modifications to pkg/seaice/growth.F and budget.F, which change results of
676      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
677      as actual snow thickness.  It now refers everywhere to effective snow
678      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
679    
680    checkpoint58r_post
681    o modifications to pkg/seaice/growth.F, which change results of
682      lab_sea experiment: fixes pertain to melting snow over open water, to
683      masking EVAP under sea ice, and to using the correct AREA variable for
684      computations of EVAP, PRECIP, HSNOW, and GHEFF
685    o add ability to read bathy, salt, and theta using MNC (off by def)
686    o add flooding algorithm and advection of HSNOW for pkg/seaice;
687      both are turned off by default and do no change any results
688    o seaice advection with pkg/thsice: a step toward the use of non-linear
689      advection scheme, but #ifdef or commented out for now (requires more EXCH).
690    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
691      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
692      in natl_box (affects results @ truncation level: update output.txt)
693    o multi-threading and IO:
694      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
695      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
696        (needed to work with SingleCpuIO): tested in all verif. exp.
697    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
698      affects the results (but none of the verification test uses this scheme).
699    o Adding some pkg/diagnostics capability to pkg/seaice
700      (will certainly be subject to changes)
701    o ctrl: adding new control variables:
702      lwflux, lwdown, evap, snowprecip, apressure, runoff
703    
704    checkpoint58q_post
705    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
706      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
707      high_res_cube configuration by 4% on Columbia.
708    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
709      add (in global_with_exf/code) a version of EXF_INTERP_READ without
710      dynamical allocation (seems to work in multi-threaded).
711    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
712      single CPU io) so that TAF does not have to see EESUPPORT.h
713    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
714    
715    checkpoint58p_post
716    o obcs: stop if obcs is used with useCDscheme = .true.
717    o shelfice:
718     - fix a sign error so that no slip at shelfice interface works
719     - remove stop for combination non-hydrostatic code and shelfice. That does
720       not mean, that the results are correct, but at least they are numerically
721       stable
722    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
723    o added adjoint exch routined for all exch*3d* routines
724      and updated flow directives
725    
726    checkpoint58o_post
727    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
728      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
729    o change controling S/R for writing pickup file (new S/R do_write_pickup)
730      and clean-up reading/writing of pickup files.
731    o fix local version of read/write pickup (NH part) in rotating_tank/code
732    o simplify EXCH interface:
733     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
734     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
735    o added the regrid package
736    o shelfice:
737     - add a simple boundary layer scheme to reduce noise
738     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
739    
740    checkpoint58n_post
741    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
742       local variable (not in common block).
743    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
744      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
745      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
746        to work with SingleCpuIO.
747    o add "_d 0" to real constant of pkg/cfc subroutines ;
748       update exp. cfc_exemple & tutorial_cfc_offline output files.
749    o multi-threading and IO:
750      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
751        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
752      - barrier before and after reading.
753      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
754      - avoid using MDS_WRITELOCAL for LAND pkg output.
755      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
756        common-block variables ; Allows multi-threading with master-thread IO.
757    o change default MAX_NO_THREADS from 32 to 4 ;
758      and stop cleanly when MAX_NO_THREADS is too small.
759    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
760    
761    checkpoint58m_post
762    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
763       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
764    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
765       keep global_ocean.90x40x15 (for AD testing) with former secondary test
766       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
767    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
768        add MITgcm_tutorials (= code + all the tutorials)
769    o ecco, option to compute cost for total ssh (mean+anom)
770    o consistent with addition of ptracer and ssh in pkg/profiles
771    o profiles: adding ptracer and ssh
772    o testreport: change multi-test output-file name
773      (from output.txt.{name} to output.{name}.txt)
774    o profiles: now ok for mutli-tiles case
775    o seaice: add 4 parameters for different advection schemes for area,
776      (effective) seaice thickness, enthalphy, and snow height. Their default
777      is the standard parameter SEAICEadvScheme
778    o calc_gw:
779     - add cosFacU in zonal viscous flux (harmonic.visc.).
780     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
781       of tutorial_plume_on_slope.
782    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
783    o calc_gw: true flux-form, account for horizontal grid spacing.
784      update rotating_tank results, but not plume_on_slope (affected at
785      truncation level, 11 digits).
786    
787    checkpoint58l_post
788    o calc_gw:
789     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
790     - remove side-drag for now (need to fix it); update plume_on_slope results.
791     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
792    o commit code to make SST/SSS weights spatially variable
793      (based on either variable in-situ or variable initial T/S weights)
794    o pkg/ecco:
795      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
796        now based on horizontally varying weights wthetaLev, wsaltLev
797      * cost_averagesflags now returns year indices in addition to day, month
798      * sflux balance is performed on annual basis
799        (sflxumm, sfluxmm2, bal_sfluxmm)
800      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
801        including separate counting and multipliers
802    o pkg/rbcs
803      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
804    
805    checkpoint58k_post
806    o testreport:
807     - always build in dir. "build" (if not there, mkdir build instead of building
808       & running in input)
809     - run in dir run (if it exists), in build otherwise.
810     - call prepare_run (if input/prepare_run exists)
811     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
812    o pkg/exf modifications to interpolation and rotation routines for more
813       reasonable treatment of North Pole singularity: for tracers North Pole
814       value is set to northernmost zonal-mean value, for zonal velocity it is
815       set to zero, and for meridional velocity it is set to northernmost value.
816    o pkg/exf/exf_check_range.F
817     - add tile index to diagnostics and move stop statement to the very
818       end of the routine.
819    o pkg/diagnostics: (diagnostics_main_init.F)
820      define title of isomorphic variables according to the current config.
821    o pkg/thsice with pkg/seaice dynamics:
822    - fix domain of computation (interior only, required for exf) and do exchanges
823    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
824    o towards a standard way of dealing with multi-threading in MONITOR
825      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
826    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
827       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
828    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
829    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
830    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
831       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
832    o tracer advection:
833     - clean-up and simplify calc_common_factors.F
834     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
835       advection subroutine (but still not used within DST advection S/R)
836    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
837    
838    checkpoint58j_post
839    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
840      from file (collects calls previously in FORWARD_STEP)
841    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
842    o adjoint store dir. adjusted accordingly
843    o genmake2
844      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
845    
846    checkpoint58i_post
847    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
848      on wind stress (SEAICEstressFactor defaults to 1.)
849    o Total number of Timers is finite (<=40): comment out 2 non-essential one
850      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
851    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
852      on CS-grid: no longer loosing mass.
853    o exf & curvilinear-grid: no longer modify longitude xC & xG.
854    o pkg/ggl90: fix sloppy output and fix a bug
855    o pkg/seaice: added SEAICEuseEVPpickup parameter
856      - Set to false in order to start EVP solver with
857        non-EVP pickup files when using SEAICEuseEVP
858      - fix sign error in diffusion in seaice_calc_rhs
859    
860    checkpoint58h_post
861    * Modifications for bottom topography control
862      o replace hFacC by _hFacC at various places
863      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
864      o add non-self-adjoint cg2d_nsa
865      o update autodiff support routines
866      o re-initialise hfac after ctrl_depth_ini
867      o works for 5x5 box, doesnt work for global_ocean.90x40x15
868    * Adding verification for 5x5 box (4-layer) bottom topography control
869    
870    checkpoint58g_post
871    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
872       used for mean seasonal cycle, mean diurnal cycle); add an example
873       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
874    o pkg/ggl90:
875      - add parameter (minimum surface kinetic energy)
876      - fix bug (avoiding division by zero)
877    o couple pkg/thsice to pkg/seaice:
878      - modify advection in seaice to accomodate new scalar fields to be advected
879      - only muliDimAdection scheme work with seaice/thsice
880      - mapping of thsice-variables to seaice-variables, back and forth
881      - does not break the verification experiments, but does not give the
882        desired results either
883    o pkg/seaice
884      - make (default) second order advection a bit less confusing?
885    
886    checkpoint58f_post
887    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
888      to pkg/seaice):
889      - new routines thsice_map_exf and thsice_get_exf provide the interface
890      - add an additional formal parameter to thsice_solve4temp
891    o pkg/exf:
892      - add new fields wspeed, snowprecip (to be able to couple to thsice)
893      - correct Stefan-Boltzmann constant
894      - new parameter for longwave surface emittance
895      - separate some stuff from exf_bulkformulae into new routines  
896        exf_radiation, exf_wind
897      - add new parameters and constants: longwave emissivity for ocean, ice
898        and snow, evaporation parameters over ice
899      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
900        either wind from stress or stress from wind
901    o pkg/thSIce:
902    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
903    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
904       and THSICE_CALC_THICKN
905    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
906    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
907      to make debugging easier.
908    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
909    o pkg/bulk_force:
910      - clean-up comments and parameters ;
911      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
912    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
913      generate new output for test-experiment: aim.5l_cs.thSI
914    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
915      testreport accordingly
916    
917    checkpoint58e_post
918    o SEAICE_CGRID adjoint done
919    o R_STAR adjoint implemented.
920      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
921      * need to sort out init. of h0facc, etc.
922    o Make pkg/profile fully independent of ecco,cost, etc. stuff
923      to be able to use it in pure forward.
924    
925    checkpoint58d_post
926    o upgrade simple test-experiment to tutorial example:
927     step.1: duplicate the experiment and (step.2) will remove the old copy.
928      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
929      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
930      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
931      tutorial_global_oce_biogeo    <- copy of dic_example
932      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
933      tutorial_plume_on_slope       <- copy of plume_on_slope
934      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
935      tutorial_global_oce_optim     <- empty for now (David ?)
936      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
937     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
938    o correct a sign problem in cost_scat.F
939    o obcs and ptracers: fix boundary conditions for advections schemes
940      with larger stencil
941    o thsice adjoint: start
942    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
943      completeness
944    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
945      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
946    o ptracers adjoint:
947      * avoid extensive recomputatations
948      * fix missing re-init. of gptr (missed by TAF)
949    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
950      me to turn off the excessive output to STDOUT that this package produces
951    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
952      and add those terms in Vector-Invariant formulation.
953    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
954      if the control period (xx_hfluxperiod etc) is 0
955    o in profiles pkg, clean routines and fix details
956    o in ecco pkg, reading ssh data:
957      fix problem in case the model does not start at iter0=0
958    o fix mnc-pickup/restart for ptracers
959    o new package prifiles:
960      code to compute profile-based cost by Gael Forget
961      (modifs in ecco, ctrl, autodiff)
962    o Benign bug fix in initialization (spotted by M. Mazloff) of
963      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
964    
965  checkpoint58c_post  checkpoint58c_post
966  o adjoint: finish NLFS adjoint and provide reference output in  o adjoint: finish NLFS adjoint and provide reference output in
967    verification/global_ocean.90x40x15/results_ad_nlfs    verification/global_ocean.90x40x15/results_ad_nlfs

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