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revision 1.636 by jmc, Mon Mar 20 21:54:37 2006 UTC revision 1.916 by dimitri, Mon Dec 3 07:45:27 2007 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: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting
8      UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.
9    
10    checkpoint59k
11    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
12      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
13    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
14      all experiments pass when compile with un-initilised var. checking option.
15    o added pkg/salt_plume
16    o script to test restart (for now, in MITgcm_contrib/jmc_script)
17    o pkg/seaice: new read/write pickup version.
18      read meta file and write only fields which are needed to restart.
19      ( same logic as main pickup file ; also using pickupStrictlyMatch )
20    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
21    o lab_sea.hb87: modify the domain & update output.hb87.txt :
22      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
23      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
24      process. Fixed here by closing the domain at the Northern boundary.
25    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
26    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
27      a set of consecutive levels in/from a 3-D array.
28    o pkg/ptracers:
29      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
30      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
31    
32    checkpoint59j
33    o in pkgs: dic, obcs, offline, rbcs:
34      standard way to compute coeff. for time interpolation between 2 time reccords
35      which retains full precision (& make results less dependent on compiler).
36      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
37    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
38      packages instead of reading ice cover and wind speed separately
39    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
40     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
41      to allow to compile customized code before the update)
42    o cleaning-up:
43      - fix CPP instruction syntax in pkg/obcs
44      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
45        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
46      - fix some threads issue in IO parts.
47    o pkg/dic:
48      - add tons of "_d 0" (--> much better testreports !)
49       and then update outputs of tutorial_global_oce_biogeo
50    o pkg/mom_fluxform:
51      add a special version of momentum advection intended to conserve momentum
52      next to a bathymetry step or a coastline edge. (default = off = #undef)
53    o new read/write pickup version:
54      - for now, only implemented for main (mdsio) pickup file.
55      - write out only what is needed to restart; merge pickup_nh , pickup_ph
56        and main pickup together.
57      - read meta file; read only what is needed to restart; stop if a field
58        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
59        if it make sense (even if the restart is not perfect).
60      - if no meta file, assume that pickup to read corresponds exactly to
61        a pickup that would currently be written.
62      - read pickup written in the old format (until checkpoint59i) if it
63        recognizes an old meta file (no field-list).
64      - add a meta file in exp. which starts from a pickup: 2 cases:
65        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
66         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
67        b) a meta file describing the content of the associated pickup file
68         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
69    o pkg/mdsio & pkg/rw:
70      - new routine to read a meta file ; new set of routine to read
71        Multiple-fields file (with meta file).
72    o added open boundary conditions capability for seaice
73        HSNOW, HSALT, UICE, and VICE
74    
75    checkpoint59i
76    o adjoint:
77      * fix multiDimAdvection adjoint
78        (partial recomputation problem by TAF for fVerT(:,:,kDown)
79        and comlev1 size definition (maxpass vs. max. number of tracers)
80      * verification/global_ocean.90x45x15 adjoint now tests
81        NLFS and multiDimAdvection using DST3 (=30)
82      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
83    o pkg/kpp: add "_d 0" to real constant (if missing);
84      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
85      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
86    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
87      for internal parameters related to restart process (formerly from PARAMS.h)
88      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
89    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
90      as argument. (only atm2d & obcs write_pickup have not yet been updated)
91    o pkg/monitor:
92      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
93      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
94      - account for deep Atmosphere factor and density factor (anelastic)
95    o added open boundary conditions capability for seaice HEFF and AREA
96    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
97      thermodynamics
98      - requires a little reorganization, which affects the testreport results
99        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
100        so that now the conservative form is tested
101      - add a few comments
102    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
103    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
104    o add new diagnostics to seaice: advective, diffusive fluxes (only for
105      multidim-advection, for scheme 2 they are not filled) and transports,
106      thermodynamic growth rates
107    o change units of EmPmR (inside the code, + within coupling interface)
108      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
109      Affects results @ truncation level (cg2d match) and update output of
110       experiments: lab_sea(6), global_ocean.90x40x15(10),
111      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
112      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
113      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
114      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
115    
116    checkpoint59h
117    o pkg/exf:
118      - improve vectorization by moving if-statement out of loops in
119        exf_mapfields, exf_radiation
120      - exf_bulkformulae.F: introduce 2D fields and vectorize code
121    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
122    o testreport:
123      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
124        monitor & update offline_exf_seaice exp. output.
125      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
126    o pkg/seaice:
127      - bug fix in the evp solver: boundary conditions were affected be
128        masking of zMax/zMin (changes results)
129      - minor bug fix in boundary conditions in seaice_calc_strainrates
130        (changes results for no_slip)
131      - seaice_lsr.F: make interpolation of eta dependent on boundaries
132      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
133      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
134        stress formulation and no-slip boundary conditions
135    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
136      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
137    o pkg/seaice: a first HSALT time stepping equation has been checked in
138    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
139      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
140      without requiring DO-IF statements
141    o pkg/thsice:
142      use continuous power-law function for partition of energy between lateral
143      melting/freezing and thinning/thickening ; old code using step function
144      still available with #undef THSICE_FRACEN_POWERLAW
145      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
146    o testreport: change AD testing : check against results/output_adm.txt
147      using same scripts as for forward test.
148    
149    checkpoint59g
150    o adjoint testing: in preparation for changing testreport:
151      - output format: cost and grad written on separated lines
152      - ad output results in directory "results" (instead of "results_ad")
153    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
154    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
155    o pkg/ecco: allow user defined cost function contributions
156    o testreport:
157      Allow to choose (per experiment) the list of tested output variables
158       and the main variable (used to issue a pass/FAIL ) ;
159      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
160      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
161      Also modify printing of summary:
162       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
163       b) echo the list of tested variables in the individual summary.txt of
164          each experiment.
165    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
166      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
167      (but still depend on the tile decompostion of the domain).
168    o pkg/seaice: change a discretization detail to make the B-grid code
169      "more symmetric". This change is likely to remove all "ridges/leads" that
170      where quasi-aligned with the grid in B-grid solutions. It may also be
171      the solution to the stress coupling issues with the B-grid.
172    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
173      remove .cvsignore from input dir. (since testreport no longer run here).
174    o pkg/thsice:
175     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
176     - fix reshaping of sea-ice just after advection:
177       melt all the ice only if ice-volume is too small.
178     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
179       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
180     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
181    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
182      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
183    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
184      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
185      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
186      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
187      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
188      -> update output.txt
189    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
190     this affects truncation error: -> update output.txt of exp:
191      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
192      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
193    
194    checkpoint59f
195    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
196    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
197      a bounded range (in forward mode)
198    o pkg/ecco, ctrl, autodiff and mom_common:
199     internal parameter controls, completements of implementations
200    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
201    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
202      (not seem any difference in testing results).
203    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
204       at face corners.
205    o pkg/generic_advdiff:
206     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
207      loop range indices for computing vertical advection tendency
208      and do the calculation in the interior only (no overlap) ;
209      for now, only implemented for SOM advection (to save CPU time).
210     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
211    o exch2 adjoint
212      First set of changes:
213      - add exch2 hand-written adjoint templates
214      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
215        This will require cleanup in pkg/autodiff/*.F
216        (changed routines currently kept separate in verif. code/)
217      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
218        that used to hide exch2 or cubed-sphere specific code
219        (commented via 'cph-exch2')
220    o pkg/seaice
221      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
222    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
223       output of global_ocean.cs32x15.thsice .
224    
225    checkpoint59e
226    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
227      for B-grid vector (not yet tested) and C-grid vector (<- only used
228      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
229    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
230      (#ifdef ALLOW_SALT_PLUME)
231    o gather_2d/scatter_2d: removed halo regions
232    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
233      scheme and the corresponding test case (under front_relax dir). For now,
234      only available with Skew-flux form and not yet tested in realistic set-up.
235      adjoint: store directives updated, but gradient checks deteriorated,
236      so maybe GM/Redi adjoint is now broken.
237    o seaice adjoint
238      * add AREA, HEFF, HSNOW as control variable
239        (should not change lab_sea results)
240      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
241    o pkg/seaice:
242      * added computation of saltFlux in seaice_growth;
243        For time being, sea ice salinity is assumed constant
244        contribution of snow flooding to freshening of sea ice is neglected.
245        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
246        defaults to 0.0 in order to maintain backward compatibility.
247        Typical values for SEAICE_salinity are 4 to 10 g/kg.
248      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
249      * added SEAICE_availHeatFrac, which specifies fraction of surface level
250        heat content used to melt or grow ice
251      * commented out cap of HICE: it helps keep ice thinner
252      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
253      * applied OBCS T/S mask to HEFFM sea ice mask
254    
255    checkpoint59d
256    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
257     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
258     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
259    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
260     and change default value of parameter "GM_Small_Number";
261     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
262       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
263       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
264    o pkg/ecco: cost function when applying pkg/smooth to controls
265    o pkg/ctrl: add forcingPrecond run time parameter
266    o pkg/seaice:
267     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
268     - fix bug in metric terms of u-equation in LSR solver (implicit part),
269       changes verification/lab_sea
270     - rearrange implicit part of u-equation in LSR solver to make it easier to
271       read, understand, and debug. This causes changes at the truncation level.
272     - fix (serious) bug in the boundary conditions (sign error in the implicit
273       part) of the LSR solver. Changes all LSR results.
274     - fixed problem with HSNOW initialization to avoid thick snow when AREA
275       is initilized with small values - does not change lab_sea results.
276     - added HsnowFile initialization capability
277    o pkg/smooth: addition to model/src and pkg/ctrl so allow
278     initialization of pkg/smooth and application to control vector
279    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
280    o dependencies: pkg/profiles requires pkg/cal
281    o pkg/profiles:
282     - added option ALLOW_PROFILES_GENERICGRID
283         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
284         that interpolation information (grid points and coefficients) is provided
285         within the netcdf input files.
286         -> sample matlab scripts can be found in MITgcm_contrib/gael
287         that allow you to prepare netcdf input files.
288     - also modified: cleaner include statements, cleaner error print statements,
289       cleaner stops when error, and more tests of the netcdf input files consistency.
290    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
291    o pkg/seaice:
292     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
293       requires a new routine: seaice_diagnostics_fill.F
294     - make sure that seaice does not move if not forced (pressure replacement
295       method, Hibler and Ip, 1995), changes results
296     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
297     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
298       It is turned off by default (=-1.), because it changes the results.
299     - make it possible to read AREA from a file, too.
300    
301    checkpoint59c
302    o add S/R and diagnostics for oceanic mixed-layer depth
303    o move GMRedi call after all vertical mixing schemes (including KPP)
304    o pkg/thsice:
305     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
306      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
307    o pkg/obcs:
308     - bug fix for balance code
309    o pkg/seaice:
310      - allow values of SEAICE_elasticParm > 1
311      - add new parameter SEAICE_evpTauRelax as an alternative
312        to SEAICE_elasticParm
313      - make lsr boundary conditions free slip (by default), changes result
314      - add code for no slip boundary conditions for lsr
315      - set minimum of zeta to zero (and not 4e8) (changes results)
316      - add a cap on AREA after advecting AREA if seaice_growth is not called
317    o change calculation of Visbeck K:
318      - no longer depend on tapering scheme; instead, compute slope (limited
319        by GM_maxSlope). this is equivalent to what was comuted before with
320        clipping or linear tappering.
321      - fix vertical averaging (wrong by 1/2 level)
322      - leave the old version (but will not be maintained) within
323        #ifdef OLD_VISBECK_CALC / #endif
324      - update output of exp. ideal_2D_oce
325    o change error catch in calc_r_star to improve vectorization
326    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
327      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
328    o adjoint:
329      Re-organized adjoint checkpointing according to Matt Mazloff
330      (but with modifs/completions/cleanups)
331      Storing is now bundled into large arrays to optimized I/O
332      (and second step in cleanup of the_main_loop)
333    
334    checkpoint59b
335    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
336      - export/import (between ocean & coupler) fields needed for ocean DIC.
337    o pkg/seaice:
338      - get rid of three more exchanges seaice_calc_viscosities (required
339        different loop boundaries in seaice_lsr and seaice_ocean_stress)
340      - bug fix in seaice_ocean_stress (update of lab_sea required)
341      - reduce loop boundaries to necessary minimum also in seaice_evp
342      - go back to the old way of computing deltaC/Z as the adjoint likes that
343        better
344    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
345      passive tracer to an Age Tracer) + update output.txt
346    o pkg/exf:
347      - implement A-grid / C-grid selection for wind-stress input files.
348      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
349      for now, in exf_bulk_largeyeager04.F only :
350      - change implementation for case where windspeed + 2. components wind-stress
351        are read-in. AND use rhoConstFresh to convert evap.
352    o pkg/seaice:
353      - use correct EXCH_UV for wind-forcing (on A-grid).
354      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
355        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
356    o pkg/exf:
357      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
358      EXF_INTERPOLATION:
359      - merge global_with_exf/code version of exf_interp_read.F
360        to the main code ;
361      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
362        reading the file ; Important: This options needs to be defined to recover
363        previous code.
364        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
365      - no longer loose real*8 precision along the way when using exf_iprec=64.
366    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
367      - change discretisation of evp-solver in order to avoid another exchange
368        (changes lab_sea) and clean up a little
369      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
370        help the adjoint (this also changes the results slightly)
371      - add a few "_d 0" where they had been missing in seaice_evp.F
372      - cleaning up: remove unused seaice_calc_rhs.F
373    o pkg/exf: some cleaning-up:
374      - change various "constants" into runtime parameters
375      - cleaned-up Large&Yeager04 routine which should eventually
376        replace exf_bulkformulae.F (changed names of S/R and CPP)
377        and merged various ALLOW_ATM_WIND options
378     only used with thsice pkg (in thsice_get_exf.F):
379      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
380        which are used when useStabilityFct_overIce=TRUE (= the default)
381      - change default values of ice & snow emissivity and scale downward LW
382        by ice & snow emissivity.
383    o pkg/thsice:
384     fix few little problems, in thsice_calc_thickn.F:
385      - growth vertically (and not laterally) if iceFrac == iceMaskMax
386      - melt only laterally if hIce < hThinIce (as the comments say)
387      and in thsice_extend.F:
388      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
389      - start to form ice as soon as the minimum ice-volume is reachable.
390     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
391      and cpl_aim+ocn
392    o pkg/kpp
393     - move computation of surface related input fields to KPP into a new
394       subroutine kpp_forcing_surf.F
395     - remove wrong (within bi,bj loops) EXCH calls.
396     - little cleaning (add argument myThid in last position, cvs header ...)
397     - for now, fix conservation problem by exchanging KPPviscAz (may not
398       be the best fix)
399    o pkg/seaice
400     - check for inconsistent evp parameter/cpp-flag combination
401     - remove leftover errIO flat for obsolete name list error handling
402    o OpenAD
403     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
404    
405    checkpoint59a
406    o pkg/seaice: some parameter clarifications and a little bit of clean up
407    o pkg/thsice: rename run-time parameters:
408       himin       -> hIceMin
409       himin0      -> hThinIce
410       hihig       -> hThickIce
411       i0          -> i0swFrac
412       transCoef   -> bMeltCoef
413       frac_energy -> fracMelting
414      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
415       with default values (for now) that do not change the results.
416      remove old version of thsice vars advection in pkg/seaice.
417    o in FFIELDS.h:
418      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
419      - make pLoad & sIceLoad always available (but still only used if
420         ATMOSPHERIC_LOADING is #define).
421    o pkg/kpp: replaced _KPP_RL with _RL
422    o bug fixes for vertical diffusivity computations when both KPP and
423        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
424        are no longer updating the vertical diffusivity array
425        (passed as argument) but are (re-) setting those arrays.
426    o pkg/seaice: fix bug in evp solver, while doing that
427      - change (improve?) discretization of stress computations for both
428        cgrid-lsr and evp solver
429      - add a new routine to compute strain rates
430      - the above changes lab_sea results
431      - add no slip conditions for evp solver (off by default), lsr-version
432        may follow
433      - fix exchange for shear at Z-points (does not change lab_sea)
434      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
435        (to force the user to pick a time step since there is not "safe" way
436        of choosing it)
437      - add principal stress diagnostics
438      - rearrange fields for evp a little to avoid having to call a: too many
439        exchanges and b: exchanges for stress trensor components which we do
440        not have.
441      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
442        of evp, complete rewrite for lsr case (latter is does not yet work
443        in all cases)
444    o pkg/kpp: add code to have mixing in shelf ice caverns
445      - add myThid to all kpp routines (long overdue)
446    
447    checkpoint59
448    o pkg/exf:
449      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
450        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
451      - move exf header files from lower_case.h to UPPER_CASE.h ;
452        add missing cvs Header & Name
453      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
454      - add namelist param. selectStressGridPosition, exf_monFreq
455      - retire many _CLIM routines, and remove data.exf_clim
456        + params moved to data.exf
457        + climsst, climsss now handled by exf_set_gen, i.e.
458          climss?period=0 refers to constant field,
459          climss?period=-12 to monthly forcing
460      - split up namelists in data.exf
461    o pkg/seaice:
462      - remove seaice_exch and seaice_exch_uv
463      - remove superfluous exchange of theta
464      - add myThid to seaice_budget_ocean/ice
465      - add new interface for atmospheric wind forcing (C-grid only)
466        + new routine
467        + two new field (taux, tauy for stress over ice)
468        + removed one global field (DAIRN) for C-grid case only
469    o pkg/thsise
470      - 2nd set of modifs for thsice adjoint in conjunction with exf
471    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
472    
473    checkpoint58y_post
474    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
475      vertical diffusivity, similar to that in MOM4; turned on using
476      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
477      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
478    o Added capability for 3D specification of background vertical diffusion
479      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
480      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
481      "data" file that contains the 3D vertical diffusivity coefficients.
482    o ice dynamics (pkg/seaice) with thsice thermodynamics:
483      - add code within pkg thsice to advect & diffuse sea-ice fields
484      similar to (and will replace) what has been added in  seaice_advdiff.F,
485      but: - conserving Mass, Heat & Salt.
486           - better when using non-linear advection scheme (not yet fully tested)
487           - can also be used in atmospheric set-up (for now, only the diffusion).
488    
489    checkpoint58x_post
490    o IO option for global-file compact format:
491      - add options when generating topology (utils/exch2/matlab-topology-generator)
492      - add I/O capability (pkg/mdsio).
493      - adapt utils/matlab/rdmds.m to read this format.
494      for now long-line format not yet supported by pkg/mdsio (& exch2).
495    o shelfice: add a few diagnostics
496    
497    checkpoint58w_post
498    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
499      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
500      (and replace horiVertRatio in NH code).
501      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
502                         and tutorial_plume_on_slope (sensitive to truncation)
503    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
504      directly to drive seaice model (C-grid only)
505    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
506     - reintroduce computation of wind from stress,
507     - compute tau (in exf_bulkformulae.F) from windstress averaged to
508       mass points to avoid tau = 0
509     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
510    o rdmnc.m: make it work with "global" files created with gluemnc
511    o rdmnc.m : some improvements in dealing with singleton dimension
512      (tested on all testreport mnc output files).
513    o genmake2: disable pkg/profiles if netcdf test fails.
514    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
515    o move call to cal_readparms up to make calendar parameters/variable available
516      to all packages
517    
518    checkpoint58v_post
519    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
520      useDynP_inEos_Zc tested.
521    o pkg/exf: changes to properly interpolate/mask/scale initial fields
522    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
523      and portions thereof.  See read_cs.txt for description and examples.
524    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
525      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
526      following the great-circle arc between those 2 points.
527    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
528      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
529    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
530     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
531     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
532     - still needs work (not working with some options ; efficiency to improve)
533       and serious testing.
534     - use this scheme for temperature & salinity in 2 advection test exp.:
535       advect_xy & advect_xz, respectively.
536    
537    checkpoint58u_post
538    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
539    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
540    o testreport: add option "-skipdir" to skip some test.
541    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
542      momentum calculation.
543    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
544    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
545      remove checkpoint.F and the_correction_step.F (no longer used);
546      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
547    o add option (linFSConserveTr) to correct for tracer source/sink due to
548      Linear Free surface
549    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
550    o pkg/thsice: fix reading mnc-pickups
551    
552    checkpoint58t_post
553    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
554    o pkg/mdsio:
555     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
556       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
557       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
558     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
559     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
560       either MDS_READ_FIELD or MDS_WRITE_FIELD )
561     - new S/R (to replace MDSWRITEMETA), which allows to write more
562       informations (variable names, time ...) to meta files.
563     - modify rdmds.m to give back the meta file content.
564    o pkg/diagnostics: change vertical interpolation to be safer, and more
565       flexible (define p-levels to interpolate to in data.diagnostics);
566      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
567       diagnostic pointer.
568    o pkg/seaice: more cleaning up of seaice_growth, added many comments
569    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
570    o fix multi-category seaice:
571     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
572       SEAICE_MULTICATEGORY
573     - fix short wave heat flux
574    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
575       and allow to use EVP solver. Change forward lab_sea: test both EVP
576       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
577    o Initial check-in of lab_sea adjoint
578      (very similar to natl_box_adjoint/code_seaice)
579      * used C-grid and EVP solver
580      * used KPP, GM/Redi
581      * uses inAdExact=.TRUE.
582      * gradient checks fail for both ADM and TLM
583        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
584        f.d. gradients actually seem more problematic than ADM, TLM gradients;
585        issue is related to forward mismatch between g77 an ifort
586    o pkg/seaice: overhaul of thermodynamics
587     - growth.F and groatb.F are replaced by new routine seaice_growth.F
588     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
589     - move a few global fields out of SEAICE.h into seaice_growth.F and
590       make them 2D (FICE/QNETO/ ...)
591     - remove FO (it is the same as QNETO)
592     - introduce a few local fields to avoid modifying external fields such
593       as atemp, etc.
594    
595    checkpoint58s_post
596    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
597      changed exf_set_gen.F so that
598        genperiod=0 means input file is one time-constant field and
599        genperiod=-12 means input file contains 12 monthly means
600    o CG2D: use pre-computed solver main-diagonal (stored in common block);
601      this affects truncation error ; generate new output file for exp. which
602      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
603        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
604        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
605        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
606        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
607        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
608    o start implementation of deep-atmosphere and anelastic formulation
609    o verification: remove 2nd copy of input files and use script "prepare_run"
610      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
611    o mom_common/vecinv/fluxform: fix a few initialisation isssues
612    o profiles: fix for multithreaded case
613    
614    o diagnostics: rename few diags:
615      s/'PRESSURE'/'RCENTER '/g
616      s/'TICE    '/'oceFreez'/g
617      s/'TAUX    '/'oceTAUX '/g
618      s/'TAUY    '/'oceTAUY '/g
619      s/'SWFLUX  '/'oceQsw  '/g
620      s/DIFx/DFxE/g
621      s/DIFy/DFyE/g
622      and add few ocean-forcing diagnostics:
623      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
624    o modifications to pkg/seaice/growth.F and budget.F, which change results of
625      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
626      as actual snow thickness.  It now refers everywhere to effective snow
627      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
628    
629    checkpoint58r_post
630    o modifications to pkg/seaice/growth.F, which change results of
631      lab_sea experiment: fixes pertain to melting snow over open water, to
632      masking EVAP under sea ice, and to using the correct AREA variable for
633      computations of EVAP, PRECIP, HSNOW, and GHEFF
634    o add ability to read bathy, salt, and theta using MNC (off by def)
635    o add flooding algorithm and advection of HSNOW for pkg/seaice;
636      both are turned off by default and do no change any results
637    o seaice advection with pkg/thsice: a step toward the use of non-linear
638      advection scheme, but #ifdef or commented out for now (requires more EXCH).
639    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
640      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
641      in natl_box (affects results @ truncation level: update output.txt)
642    o multi-threading and IO:
643      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
644      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
645        (needed to work with SingleCpuIO): tested in all verif. exp.
646    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
647      affects the results (but none of the verification test uses this scheme).
648    o Adding some pkg/diagnostics capability to pkg/seaice
649      (will certainly be subject to changes)
650    o ctrl: adding new control variables:
651      lwflux, lwdown, evap, snowprecip, apressure, runoff
652    
653    checkpoint58q_post
654    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
655      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
656      high_res_cube configuration by 4% on Columbia.
657    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
658      add (in global_with_exf/code) a version of EXF_INTERP_READ without
659      dynamical allocation (seems to work in multi-threaded).
660    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
661      single CPU io) so that TAF does not have to see EESUPPORT.h
662    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
663    
664    checkpoint58p_post
665    o obcs: stop if obcs is used with useCDscheme = .true.
666    o shelfice:
667     - fix a sign error so that no slip at shelfice interface works
668     - remove stop for combination non-hydrostatic code and shelfice. That does
669       not mean, that the results are correct, but at least they are numerically
670       stable
671    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
672    o added adjoint exch routined for all exch*3d* routines
673      and updated flow directives
674    
675    checkpoint58o_post
676    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
677      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
678    o change controling S/R for writing pickup file (new S/R do_write_pickup)
679      and clean-up reading/writing of pickup files.
680    o fix local version of read/write pickup (NH part) in rotating_tank/code
681    o simplify EXCH interface:
682     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
683     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
684    o added the regrid package
685    o shelfice:
686     - add a simple boundary layer scheme to reduce noise
687     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
688    
689    checkpoint58n_post
690    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
691       local variable (not in common block).
692    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
693      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
694      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
695        to work with SingleCpuIO.
696    o add "_d 0" to real constant of pkg/cfc subroutines ;
697       update exp. cfc_exemple & tutorial_cfc_offline output files.
698    o multi-threading and IO:
699      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
700        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
701      - barrier before and after reading.
702      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
703      - avoid using MDS_WRITELOCAL for LAND pkg output.
704      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
705        common-block variables ; Allows multi-threading with master-thread IO.
706    o change default MAX_NO_THREADS from 32 to 4 ;
707      and stop cleanly when MAX_NO_THREADS is too small.
708    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
709    
710    checkpoint58m_post
711    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
712       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
713    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
714       keep global_ocean.90x40x15 (for AD testing) with former secondary test
715       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
716    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
717        add MITgcm_tutorials (= code + all the tutorials)
718    o ecco, option to compute cost for total ssh (mean+anom)
719    o consistent with addition of ptracer and ssh in pkg/profiles
720    o profiles: adding ptracer and ssh
721    o testreport: change multi-test output-file name
722      (from output.txt.{name} to output.{name}.txt)
723    o profiles: now ok for mutli-tiles case
724    o seaice: add 4 parameters for different advection schemes for area,
725      (effective) seaice thickness, enthalphy, and snow height. Their default
726      is the standard parameter SEAICEadvScheme
727    o calc_gw:
728     - add cosFacU in zonal viscous flux (harmonic.visc.).
729     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
730       of tutorial_plume_on_slope.
731    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
732    o calc_gw: true flux-form, account for horizontal grid spacing.
733      update rotating_tank results, but not plume_on_slope (affected at
734      truncation level, 11 digits).
735    
736    checkpoint58l_post
737    o calc_gw:
738     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
739     - remove side-drag for now (need to fix it); update plume_on_slope results.
740     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
741    o commit code to make SST/SSS weights spatially variable
742      (based on either variable in-situ or variable initial T/S weights)
743    o pkg/ecco:
744      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
745        now based on horizontally varying weights wthetaLev, wsaltLev
746      * cost_averagesflags now returns year indices in addition to day, month
747      * sflux balance is performed on annual basis
748        (sflxumm, sfluxmm2, bal_sfluxmm)
749      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
750        including separate counting and multipliers
751    o pkg/rbcs
752      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
753    
754    checkpoint58k_post
755    o testreport:
756     - always build in dir. "build" (if not there, mkdir build instead of building
757       & running in input)
758     - run in dir run (if it exists), in build otherwise.
759     - call prepare_run (if input/prepare_run exists)
760     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
761    o pkg/exf modifications to interpolation and rotation routines for more
762       reasonable treatment of North Pole singularity: for tracers North Pole
763       value is set to northernmost zonal-mean value, for zonal velocity it is
764       set to zero, and for meridional velocity it is set to northernmost value.
765    o pkg/exf/exf_check_range.F
766     - add tile index to diagnostics and move stop statement to the very
767       end of the routine.
768    o pkg/diagnostics: (diagnostics_main_init.F)
769      define title of isomorphic variables according to the current config.
770    o pkg/thsice with pkg/seaice dynamics:
771    - fix domain of computation (interior only, required for exf) and do exchanges
772    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
773    o towards a standard way of dealing with multi-threading in MONITOR
774      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
775    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
776       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
777    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
778    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
779    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
780       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
781    o tracer advection:
782     - clean-up and simplify calc_common_factors.F
783     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
784       advection subroutine (but still not used within DST advection S/R)
785    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
786    
787    checkpoint58j_post
788    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
789      from file (collects calls previously in FORWARD_STEP)
790    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
791    o adjoint store dir. adjusted accordingly
792    o genmake2
793      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
794    
795    checkpoint58i_post
796    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
797      on wind stress (SEAICEstressFactor defaults to 1.)
798    o Total number of Timers is finite (<=40): comment out 2 non-essential one
799      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
800    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
801      on CS-grid: no longer loosing mass.
802    o exf & curvilinear-grid: no longer modify longitude xC & xG.
803    o pkg/ggl90: fix sloppy output and fix a bug
804    o pkg/seaice: added SEAICEuseEVPpickup parameter
805      - Set to false in order to start EVP solver with
806        non-EVP pickup files when using SEAICEuseEVP
807      - fix sign error in diffusion in seaice_calc_rhs
808    
809    checkpoint58h_post
810    * Modifications for bottom topography control
811      o replace hFacC by _hFacC at various places
812      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
813      o add non-self-adjoint cg2d_nsa
814      o update autodiff support routines
815      o re-initialise hfac after ctrl_depth_ini
816      o works for 5x5 box, doesnt work for global_ocean.90x40x15
817    * Adding verification for 5x5 box (4-layer) bottom topography control
818    
819    checkpoint58g_post
820    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
821       used for mean seasonal cycle, mean diurnal cycle); add an example
822       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
823    o pkg/ggl90:
824      - add parameter (minimum surface kinetic energy)
825      - fix bug (avoiding division by zero)
826    o couple pkg/thsice to pkg/seaice:
827      - modify advection in seaice to accomodate new scalar fields to be advected
828      - only muliDimAdection scheme work with seaice/thsice
829      - mapping of thsice-variables to seaice-variables, back and forth
830      - does not break the verification experiments, but does not give the
831        desired results either
832    o pkg/seaice
833      - make (default) second order advection a bit less confusing?
834    
835    checkpoint58f_post
836    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
837      to pkg/seaice):
838      - new routines thsice_map_exf and thsice_get_exf provide the interface
839      - add an additional formal parameter to thsice_solve4temp
840    o pkg/exf:
841      - add new fields wspeed, snowprecip (to be able to couple to thsice)
842      - correct Stefan-Boltzmann constant
843      - new parameter for longwave surface emittance
844      - separate some stuff from exf_bulkformulae into new routines  
845        exf_radiation, exf_wind
846      - add new parameters and constants: longwave emissivity for ocean, ice
847        and snow, evaporation parameters over ice
848      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
849        either wind from stress or stress from wind
850    o pkg/thSIce:
851    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
852    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
853       and THSICE_CALC_THICKN
854    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
855    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
856      to make debugging easier.
857    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
858    o pkg/bulk_force:
859      - clean-up comments and parameters ;
860      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
861    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
862      generate new output for test-experiment: aim.5l_cs.thSI
863    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
864      testreport accordingly
865    
866    checkpoint58e_post
867    o SEAICE_CGRID adjoint done
868    o R_STAR adjoint implemented.
869      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
870      * need to sort out init. of h0facc, etc.
871    o Make pkg/profile fully independent of ecco,cost, etc. stuff
872      to be able to use it in pure forward.
873    
874    checkpoint58d_post
875    o upgrade simple test-experiment to tutorial example:
876     step.1: duplicate the experiment and (step.2) will remove the old copy.
877      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
878      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
879      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
880      tutorial_global_oce_biogeo    <- copy of dic_example
881      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
882      tutorial_plume_on_slope       <- copy of plume_on_slope
883      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
884      tutorial_global_oce_optim     <- empty for now (David ?)
885      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
886     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
887    o correct a sign problem in cost_scat.F
888    o obcs and ptracers: fix boundary conditions for advections schemes
889      with larger stencil
890    o thsice adjoint: start
891    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
892      completeness
893    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
894      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
895    o ptracers adjoint:
896      * avoid extensive recomputatations
897      * fix missing re-init. of gptr (missed by TAF)
898    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
899      me to turn off the excessive output to STDOUT that this package produces
900    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
901      and add those terms in Vector-Invariant formulation.
902    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
903      if the control period (xx_hfluxperiod etc) is 0
904    o in profiles pkg, clean routines and fix details
905    o in ecco pkg, reading ssh data:
906      fix problem in case the model does not start at iter0=0
907    o fix mnc-pickup/restart for ptracers
908    o new package prifiles:
909      code to compute profile-based cost by Gael Forget
910      (modifs in ecco, ctrl, autodiff)
911    o Benign bug fix in initialization (spotted by M. Mazloff) of
912      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
913    
914    checkpoint58c_post
915    o adjoint: finish NLFS adjoint and provide reference output in
916      verification/global_ocean.90x40x15/results_ad_nlfs
917    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
918      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
919      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
920      with SEAICE_CGRID defined.
921  o move calendarDumps from "data" to "data.cal" and clean-up the code  o move calendarDumps from "data" to "data.cal" and clean-up the code
922    with a simple call to pkg/cal S/R: CAL_TIME2WRITE    with a simple call to pkg/cal S/R: CAL_TIME2WRITE
923  o add useEXF & useCAL flags (for now, set in hard-coded way)  o add useEXF & useCAL flags (for now, set in hard-coded way)

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