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revision 1.636 by jmc, Mon Mar 20 21:54:37 2006 UTC revision 1.917 by jmc, Tue Dec 4 23:58:16 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 no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
8    o pkg/exf: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting
9      UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.
10    
11    checkpoint59k
12    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
13      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
14    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
15      all experiments pass when compile with un-initilised var. checking option.
16    o added pkg/salt_plume
17    o script to test restart (for now, in MITgcm_contrib/jmc_script)
18    o pkg/seaice: new read/write pickup version.
19      read meta file and write only fields which are needed to restart.
20      ( same logic as main pickup file ; also using pickupStrictlyMatch )
21    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
22    o lab_sea.hb87: modify the domain & update output.hb87.txt :
23      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
24      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
25      process. Fixed here by closing the domain at the Northern boundary.
26    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
27    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
28      a set of consecutive levels in/from a 3-D array.
29    o pkg/ptracers:
30      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
31      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
32    
33    checkpoint59j
34    o in pkgs: dic, obcs, offline, rbcs:
35      standard way to compute coeff. for time interpolation between 2 time reccords
36      which retains full precision (& make results less dependent on compiler).
37      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
38    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
39      packages instead of reading ice cover and wind speed separately
40    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
41     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
42      to allow to compile customized code before the update)
43    o cleaning-up:
44      - fix CPP instruction syntax in pkg/obcs
45      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
46        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
47      - fix some threads issue in IO parts.
48    o pkg/dic:
49      - add tons of "_d 0" (--> much better testreports !)
50       and then update outputs of tutorial_global_oce_biogeo
51    o pkg/mom_fluxform:
52      add a special version of momentum advection intended to conserve momentum
53      next to a bathymetry step or a coastline edge. (default = off = #undef)
54    o new read/write pickup version:
55      - for now, only implemented for main (mdsio) pickup file.
56      - write out only what is needed to restart; merge pickup_nh , pickup_ph
57        and main pickup together.
58      - read meta file; read only what is needed to restart; stop if a field
59        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
60        if it make sense (even if the restart is not perfect).
61      - if no meta file, assume that pickup to read corresponds exactly to
62        a pickup that would currently be written.
63      - read pickup written in the old format (until checkpoint59i) if it
64        recognizes an old meta file (no field-list).
65      - add a meta file in exp. which starts from a pickup: 2 cases:
66        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
67         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
68        b) a meta file describing the content of the associated pickup file
69         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
70    o pkg/mdsio & pkg/rw:
71      - new routine to read a meta file ; new set of routine to read
72        Multiple-fields file (with meta file).
73    o added open boundary conditions capability for seaice
74        HSNOW, HSALT, UICE, and VICE
75    
76    checkpoint59i
77    o adjoint:
78      * fix multiDimAdvection adjoint
79        (partial recomputation problem by TAF for fVerT(:,:,kDown)
80        and comlev1 size definition (maxpass vs. max. number of tracers)
81      * verification/global_ocean.90x45x15 adjoint now tests
82        NLFS and multiDimAdvection using DST3 (=30)
83      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
84    o pkg/kpp: add "_d 0" to real constant (if missing);
85      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
86      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
87    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
88      for internal parameters related to restart process (formerly from PARAMS.h)
89      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
90    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
91      as argument. (only atm2d & obcs write_pickup have not yet been updated)
92    o pkg/monitor:
93      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
94      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
95      - account for deep Atmosphere factor and density factor (anelastic)
96    o added open boundary conditions capability for seaice HEFF and AREA
97    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
98      thermodynamics
99      - requires a little reorganization, which affects the testreport results
100        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
101        so that now the conservative form is tested
102      - add a few comments
103    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
104    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
105    o add new diagnostics to seaice: advective, diffusive fluxes (only for
106      multidim-advection, for scheme 2 they are not filled) and transports,
107      thermodynamic growth rates
108    o change units of EmPmR (inside the code, + within coupling interface)
109      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
110      Affects results @ truncation level (cg2d match) and update output of
111       experiments: lab_sea(6), global_ocean.90x40x15(10),
112      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
113      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
114      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
115      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
116    
117    checkpoint59h
118    o pkg/exf:
119      - improve vectorization by moving if-statement out of loops in
120        exf_mapfields, exf_radiation
121      - exf_bulkformulae.F: introduce 2D fields and vectorize code
122    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
123    o testreport:
124      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
125        monitor & update offline_exf_seaice exp. output.
126      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
127    o pkg/seaice:
128      - bug fix in the evp solver: boundary conditions were affected be
129        masking of zMax/zMin (changes results)
130      - minor bug fix in boundary conditions in seaice_calc_strainrates
131        (changes results for no_slip)
132      - seaice_lsr.F: make interpolation of eta dependent on boundaries
133      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
134      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
135        stress formulation and no-slip boundary conditions
136    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
137      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
138    o pkg/seaice: a first HSALT time stepping equation has been checked in
139    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
140      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
141      without requiring DO-IF statements
142    o pkg/thsice:
143      use continuous power-law function for partition of energy between lateral
144      melting/freezing and thinning/thickening ; old code using step function
145      still available with #undef THSICE_FRACEN_POWERLAW
146      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
147    o testreport: change AD testing : check against results/output_adm.txt
148      using same scripts as for forward test.
149    
150    checkpoint59g
151    o adjoint testing: in preparation for changing testreport:
152      - output format: cost and grad written on separated lines
153      - ad output results in directory "results" (instead of "results_ad")
154    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
155    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
156    o pkg/ecco: allow user defined cost function contributions
157    o testreport:
158      Allow to choose (per experiment) the list of tested output variables
159       and the main variable (used to issue a pass/FAIL ) ;
160      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
161      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
162      Also modify printing of summary:
163       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
164       b) echo the list of tested variables in the individual summary.txt of
165          each experiment.
166    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
167      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
168      (but still depend on the tile decompostion of the domain).
169    o pkg/seaice: change a discretization detail to make the B-grid code
170      "more symmetric". This change is likely to remove all "ridges/leads" that
171      where quasi-aligned with the grid in B-grid solutions. It may also be
172      the solution to the stress coupling issues with the B-grid.
173    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
174      remove .cvsignore from input dir. (since testreport no longer run here).
175    o pkg/thsice:
176     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
177     - fix reshaping of sea-ice just after advection:
178       melt all the ice only if ice-volume is too small.
179     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
180       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
181     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
182    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
183      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
184    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
185      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
186      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
187      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
188      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
189      -> update output.txt
190    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
191     this affects truncation error: -> update output.txt of exp:
192      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
193      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
194    
195    checkpoint59f
196    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
197    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
198      a bounded range (in forward mode)
199    o pkg/ecco, ctrl, autodiff and mom_common:
200     internal parameter controls, completements of implementations
201    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
202    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
203      (not seem any difference in testing results).
204    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
205       at face corners.
206    o pkg/generic_advdiff:
207     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
208      loop range indices for computing vertical advection tendency
209      and do the calculation in the interior only (no overlap) ;
210      for now, only implemented for SOM advection (to save CPU time).
211     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
212    o exch2 adjoint
213      First set of changes:
214      - add exch2 hand-written adjoint templates
215      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
216        This will require cleanup in pkg/autodiff/*.F
217        (changed routines currently kept separate in verif. code/)
218      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
219        that used to hide exch2 or cubed-sphere specific code
220        (commented via 'cph-exch2')
221    o pkg/seaice
222      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
223    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
224       output of global_ocean.cs32x15.thsice .
225    
226    checkpoint59e
227    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
228      for B-grid vector (not yet tested) and C-grid vector (<- only used
229      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
230    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
231      (#ifdef ALLOW_SALT_PLUME)
232    o gather_2d/scatter_2d: removed halo regions
233    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
234      scheme and the corresponding test case (under front_relax dir). For now,
235      only available with Skew-flux form and not yet tested in realistic set-up.
236      adjoint: store directives updated, but gradient checks deteriorated,
237      so maybe GM/Redi adjoint is now broken.
238    o seaice adjoint
239      * add AREA, HEFF, HSNOW as control variable
240        (should not change lab_sea results)
241      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
242    o pkg/seaice:
243      * added computation of saltFlux in seaice_growth;
244        For time being, sea ice salinity is assumed constant
245        contribution of snow flooding to freshening of sea ice is neglected.
246        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
247        defaults to 0.0 in order to maintain backward compatibility.
248        Typical values for SEAICE_salinity are 4 to 10 g/kg.
249      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
250      * added SEAICE_availHeatFrac, which specifies fraction of surface level
251        heat content used to melt or grow ice
252      * commented out cap of HICE: it helps keep ice thinner
253      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
254      * applied OBCS T/S mask to HEFFM sea ice mask
255    
256    checkpoint59d
257    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
258     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
259     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
260    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
261     and change default value of parameter "GM_Small_Number";
262     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
263       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
264       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
265    o pkg/ecco: cost function when applying pkg/smooth to controls
266    o pkg/ctrl: add forcingPrecond run time parameter
267    o pkg/seaice:
268     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
269     - fix bug in metric terms of u-equation in LSR solver (implicit part),
270       changes verification/lab_sea
271     - rearrange implicit part of u-equation in LSR solver to make it easier to
272       read, understand, and debug. This causes changes at the truncation level.
273     - fix (serious) bug in the boundary conditions (sign error in the implicit
274       part) of the LSR solver. Changes all LSR results.
275     - fixed problem with HSNOW initialization to avoid thick snow when AREA
276       is initilized with small values - does not change lab_sea results.
277     - added HsnowFile initialization capability
278    o pkg/smooth: addition to model/src and pkg/ctrl so allow
279     initialization of pkg/smooth and application to control vector
280    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
281    o dependencies: pkg/profiles requires pkg/cal
282    o pkg/profiles:
283     - added option ALLOW_PROFILES_GENERICGRID
284         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
285         that interpolation information (grid points and coefficients) is provided
286         within the netcdf input files.
287         -> sample matlab scripts can be found in MITgcm_contrib/gael
288         that allow you to prepare netcdf input files.
289     - also modified: cleaner include statements, cleaner error print statements,
290       cleaner stops when error, and more tests of the netcdf input files consistency.
291    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
292    o pkg/seaice:
293     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
294       requires a new routine: seaice_diagnostics_fill.F
295     - make sure that seaice does not move if not forced (pressure replacement
296       method, Hibler and Ip, 1995), changes results
297     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
298     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
299       It is turned off by default (=-1.), because it changes the results.
300     - make it possible to read AREA from a file, too.
301    
302    checkpoint59c
303    o add S/R and diagnostics for oceanic mixed-layer depth
304    o move GMRedi call after all vertical mixing schemes (including KPP)
305    o pkg/thsice:
306     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
307      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
308    o pkg/obcs:
309     - bug fix for balance code
310    o pkg/seaice:
311      - allow values of SEAICE_elasticParm > 1
312      - add new parameter SEAICE_evpTauRelax as an alternative
313        to SEAICE_elasticParm
314      - make lsr boundary conditions free slip (by default), changes result
315      - add code for no slip boundary conditions for lsr
316      - set minimum of zeta to zero (and not 4e8) (changes results)
317      - add a cap on AREA after advecting AREA if seaice_growth is not called
318    o change calculation of Visbeck K:
319      - no longer depend on tapering scheme; instead, compute slope (limited
320        by GM_maxSlope). this is equivalent to what was comuted before with
321        clipping or linear tappering.
322      - fix vertical averaging (wrong by 1/2 level)
323      - leave the old version (but will not be maintained) within
324        #ifdef OLD_VISBECK_CALC / #endif
325      - update output of exp. ideal_2D_oce
326    o change error catch in calc_r_star to improve vectorization
327    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
328      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
329    o adjoint:
330      Re-organized adjoint checkpointing according to Matt Mazloff
331      (but with modifs/completions/cleanups)
332      Storing is now bundled into large arrays to optimized I/O
333      (and second step in cleanup of the_main_loop)
334    
335    checkpoint59b
336    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
337      - export/import (between ocean & coupler) fields needed for ocean DIC.
338    o pkg/seaice:
339      - get rid of three more exchanges seaice_calc_viscosities (required
340        different loop boundaries in seaice_lsr and seaice_ocean_stress)
341      - bug fix in seaice_ocean_stress (update of lab_sea required)
342      - reduce loop boundaries to necessary minimum also in seaice_evp
343      - go back to the old way of computing deltaC/Z as the adjoint likes that
344        better
345    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
346      passive tracer to an Age Tracer) + update output.txt
347    o pkg/exf:
348      - implement A-grid / C-grid selection for wind-stress input files.
349      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
350      for now, in exf_bulk_largeyeager04.F only :
351      - change implementation for case where windspeed + 2. components wind-stress
352        are read-in. AND use rhoConstFresh to convert evap.
353    o pkg/seaice:
354      - use correct EXCH_UV for wind-forcing (on A-grid).
355      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
356        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
357    o pkg/exf:
358      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
359      EXF_INTERPOLATION:
360      - merge global_with_exf/code version of exf_interp_read.F
361        to the main code ;
362      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
363        reading the file ; Important: This options needs to be defined to recover
364        previous code.
365        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
366      - no longer loose real*8 precision along the way when using exf_iprec=64.
367    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
368      - change discretisation of evp-solver in order to avoid another exchange
369        (changes lab_sea) and clean up a little
370      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
371        help the adjoint (this also changes the results slightly)
372      - add a few "_d 0" where they had been missing in seaice_evp.F
373      - cleaning up: remove unused seaice_calc_rhs.F
374    o pkg/exf: some cleaning-up:
375      - change various "constants" into runtime parameters
376      - cleaned-up Large&Yeager04 routine which should eventually
377        replace exf_bulkformulae.F (changed names of S/R and CPP)
378        and merged various ALLOW_ATM_WIND options
379     only used with thsice pkg (in thsice_get_exf.F):
380      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
381        which are used when useStabilityFct_overIce=TRUE (= the default)
382      - change default values of ice & snow emissivity and scale downward LW
383        by ice & snow emissivity.
384    o pkg/thsice:
385     fix few little problems, in thsice_calc_thickn.F:
386      - growth vertically (and not laterally) if iceFrac == iceMaskMax
387      - melt only laterally if hIce < hThinIce (as the comments say)
388      and in thsice_extend.F:
389      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
390      - start to form ice as soon as the minimum ice-volume is reachable.
391     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
392      and cpl_aim+ocn
393    o pkg/kpp
394     - move computation of surface related input fields to KPP into a new
395       subroutine kpp_forcing_surf.F
396     - remove wrong (within bi,bj loops) EXCH calls.
397     - little cleaning (add argument myThid in last position, cvs header ...)
398     - for now, fix conservation problem by exchanging KPPviscAz (may not
399       be the best fix)
400    o pkg/seaice
401     - check for inconsistent evp parameter/cpp-flag combination
402     - remove leftover errIO flat for obsolete name list error handling
403    o OpenAD
404     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
405    
406    checkpoint59a
407    o pkg/seaice: some parameter clarifications and a little bit of clean up
408    o pkg/thsice: rename run-time parameters:
409       himin       -> hIceMin
410       himin0      -> hThinIce
411       hihig       -> hThickIce
412       i0          -> i0swFrac
413       transCoef   -> bMeltCoef
414       frac_energy -> fracMelting
415      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
416       with default values (for now) that do not change the results.
417      remove old version of thsice vars advection in pkg/seaice.
418    o in FFIELDS.h:
419      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
420      - make pLoad & sIceLoad always available (but still only used if
421         ATMOSPHERIC_LOADING is #define).
422    o pkg/kpp: replaced _KPP_RL with _RL
423    o bug fixes for vertical diffusivity computations when both KPP and
424        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
425        are no longer updating the vertical diffusivity array
426        (passed as argument) but are (re-) setting those arrays.
427    o pkg/seaice: fix bug in evp solver, while doing that
428      - change (improve?) discretization of stress computations for both
429        cgrid-lsr and evp solver
430      - add a new routine to compute strain rates
431      - the above changes lab_sea results
432      - add no slip conditions for evp solver (off by default), lsr-version
433        may follow
434      - fix exchange for shear at Z-points (does not change lab_sea)
435      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
436        (to force the user to pick a time step since there is not "safe" way
437        of choosing it)
438      - add principal stress diagnostics
439      - rearrange fields for evp a little to avoid having to call a: too many
440        exchanges and b: exchanges for stress trensor components which we do
441        not have.
442      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
443        of evp, complete rewrite for lsr case (latter is does not yet work
444        in all cases)
445    o pkg/kpp: add code to have mixing in shelf ice caverns
446      - add myThid to all kpp routines (long overdue)
447    
448    checkpoint59
449    o pkg/exf:
450      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
451        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
452      - move exf header files from lower_case.h to UPPER_CASE.h ;
453        add missing cvs Header & Name
454      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
455      - add namelist param. selectStressGridPosition, exf_monFreq
456      - retire many _CLIM routines, and remove data.exf_clim
457        + params moved to data.exf
458        + climsst, climsss now handled by exf_set_gen, i.e.
459          climss?period=0 refers to constant field,
460          climss?period=-12 to monthly forcing
461      - split up namelists in data.exf
462    o pkg/seaice:
463      - remove seaice_exch and seaice_exch_uv
464      - remove superfluous exchange of theta
465      - add myThid to seaice_budget_ocean/ice
466      - add new interface for atmospheric wind forcing (C-grid only)
467        + new routine
468        + two new field (taux, tauy for stress over ice)
469        + removed one global field (DAIRN) for C-grid case only
470    o pkg/thsise
471      - 2nd set of modifs for thsice adjoint in conjunction with exf
472    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
473    
474    checkpoint58y_post
475    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
476      vertical diffusivity, similar to that in MOM4; turned on using
477      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
478      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
479    o Added capability for 3D specification of background vertical diffusion
480      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
481      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
482      "data" file that contains the 3D vertical diffusivity coefficients.
483    o ice dynamics (pkg/seaice) with thsice thermodynamics:
484      - add code within pkg thsice to advect & diffuse sea-ice fields
485      similar to (and will replace) what has been added in  seaice_advdiff.F,
486      but: - conserving Mass, Heat & Salt.
487           - better when using non-linear advection scheme (not yet fully tested)
488           - can also be used in atmospheric set-up (for now, only the diffusion).
489    
490    checkpoint58x_post
491    o IO option for global-file compact format:
492      - add options when generating topology (utils/exch2/matlab-topology-generator)
493      - add I/O capability (pkg/mdsio).
494      - adapt utils/matlab/rdmds.m to read this format.
495      for now long-line format not yet supported by pkg/mdsio (& exch2).
496    o shelfice: add a few diagnostics
497    
498    checkpoint58w_post
499    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
500      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
501      (and replace horiVertRatio in NH code).
502      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
503                         and tutorial_plume_on_slope (sensitive to truncation)
504    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
505      directly to drive seaice model (C-grid only)
506    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
507     - reintroduce computation of wind from stress,
508     - compute tau (in exf_bulkformulae.F) from windstress averaged to
509       mass points to avoid tau = 0
510     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
511    o rdmnc.m: make it work with "global" files created with gluemnc
512    o rdmnc.m : some improvements in dealing with singleton dimension
513      (tested on all testreport mnc output files).
514    o genmake2: disable pkg/profiles if netcdf test fails.
515    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
516    o move call to cal_readparms up to make calendar parameters/variable available
517      to all packages
518    
519    checkpoint58v_post
520    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
521      useDynP_inEos_Zc tested.
522    o pkg/exf: changes to properly interpolate/mask/scale initial fields
523    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
524      and portions thereof.  See read_cs.txt for description and examples.
525    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
526      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
527      following the great-circle arc between those 2 points.
528    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
529      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
530    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
531     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
532     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
533     - still needs work (not working with some options ; efficiency to improve)
534       and serious testing.
535     - use this scheme for temperature & salinity in 2 advection test exp.:
536       advect_xy & advect_xz, respectively.
537    
538    checkpoint58u_post
539    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
540    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
541    o testreport: add option "-skipdir" to skip some test.
542    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
543      momentum calculation.
544    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
545    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
546      remove checkpoint.F and the_correction_step.F (no longer used);
547      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
548    o add option (linFSConserveTr) to correct for tracer source/sink due to
549      Linear Free surface
550    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
551    o pkg/thsice: fix reading mnc-pickups
552    
553    checkpoint58t_post
554    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
555    o pkg/mdsio:
556     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
557       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
558       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
559     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
560     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
561       either MDS_READ_FIELD or MDS_WRITE_FIELD )
562     - new S/R (to replace MDSWRITEMETA), which allows to write more
563       informations (variable names, time ...) to meta files.
564     - modify rdmds.m to give back the meta file content.
565    o pkg/diagnostics: change vertical interpolation to be safer, and more
566       flexible (define p-levels to interpolate to in data.diagnostics);
567      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
568       diagnostic pointer.
569    o pkg/seaice: more cleaning up of seaice_growth, added many comments
570    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
571    o fix multi-category seaice:
572     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
573       SEAICE_MULTICATEGORY
574     - fix short wave heat flux
575    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
576       and allow to use EVP solver. Change forward lab_sea: test both EVP
577       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
578    o Initial check-in of lab_sea adjoint
579      (very similar to natl_box_adjoint/code_seaice)
580      * used C-grid and EVP solver
581      * used KPP, GM/Redi
582      * uses inAdExact=.TRUE.
583      * gradient checks fail for both ADM and TLM
584        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
585        f.d. gradients actually seem more problematic than ADM, TLM gradients;
586        issue is related to forward mismatch between g77 an ifort
587    o pkg/seaice: overhaul of thermodynamics
588     - growth.F and groatb.F are replaced by new routine seaice_growth.F
589     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
590     - move a few global fields out of SEAICE.h into seaice_growth.F and
591       make them 2D (FICE/QNETO/ ...)
592     - remove FO (it is the same as QNETO)
593     - introduce a few local fields to avoid modifying external fields such
594       as atemp, etc.
595    
596    checkpoint58s_post
597    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
598      changed exf_set_gen.F so that
599        genperiod=0 means input file is one time-constant field and
600        genperiod=-12 means input file contains 12 monthly means
601    o CG2D: use pre-computed solver main-diagonal (stored in common block);
602      this affects truncation error ; generate new output file for exp. which
603      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
604        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
605        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
606        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
607        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
608        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
609    o start implementation of deep-atmosphere and anelastic formulation
610    o verification: remove 2nd copy of input files and use script "prepare_run"
611      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
612    o mom_common/vecinv/fluxform: fix a few initialisation isssues
613    o profiles: fix for multithreaded case
614    
615    o diagnostics: rename few diags:
616      s/'PRESSURE'/'RCENTER '/g
617      s/'TICE    '/'oceFreez'/g
618      s/'TAUX    '/'oceTAUX '/g
619      s/'TAUY    '/'oceTAUY '/g
620      s/'SWFLUX  '/'oceQsw  '/g
621      s/DIFx/DFxE/g
622      s/DIFy/DFyE/g
623      and add few ocean-forcing diagnostics:
624      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
625    o modifications to pkg/seaice/growth.F and budget.F, which change results of
626      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
627      as actual snow thickness.  It now refers everywhere to effective snow
628      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
629    
630    checkpoint58r_post
631    o modifications to pkg/seaice/growth.F, which change results of
632      lab_sea experiment: fixes pertain to melting snow over open water, to
633      masking EVAP under sea ice, and to using the correct AREA variable for
634      computations of EVAP, PRECIP, HSNOW, and GHEFF
635    o add ability to read bathy, salt, and theta using MNC (off by def)
636    o add flooding algorithm and advection of HSNOW for pkg/seaice;
637      both are turned off by default and do no change any results
638    o seaice advection with pkg/thsice: a step toward the use of non-linear
639      advection scheme, but #ifdef or commented out for now (requires more EXCH).
640    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
641      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
642      in natl_box (affects results @ truncation level: update output.txt)
643    o multi-threading and IO:
644      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
645      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
646        (needed to work with SingleCpuIO): tested in all verif. exp.
647    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
648      affects the results (but none of the verification test uses this scheme).
649    o Adding some pkg/diagnostics capability to pkg/seaice
650      (will certainly be subject to changes)
651    o ctrl: adding new control variables:
652      lwflux, lwdown, evap, snowprecip, apressure, runoff
653    
654    checkpoint58q_post
655    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
656      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
657      high_res_cube configuration by 4% on Columbia.
658    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
659      add (in global_with_exf/code) a version of EXF_INTERP_READ without
660      dynamical allocation (seems to work in multi-threaded).
661    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
662      single CPU io) so that TAF does not have to see EESUPPORT.h
663    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
664    
665    checkpoint58p_post
666    o obcs: stop if obcs is used with useCDscheme = .true.
667    o shelfice:
668     - fix a sign error so that no slip at shelfice interface works
669     - remove stop for combination non-hydrostatic code and shelfice. That does
670       not mean, that the results are correct, but at least they are numerically
671       stable
672    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
673    o added adjoint exch routined for all exch*3d* routines
674      and updated flow directives
675    
676    checkpoint58o_post
677    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
678      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
679    o change controling S/R for writing pickup file (new S/R do_write_pickup)
680      and clean-up reading/writing of pickup files.
681    o fix local version of read/write pickup (NH part) in rotating_tank/code
682    o simplify EXCH interface:
683     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
684     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
685    o added the regrid package
686    o shelfice:
687     - add a simple boundary layer scheme to reduce noise
688     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
689    
690    checkpoint58n_post
691    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
692       local variable (not in common block).
693    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
694      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
695      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
696        to work with SingleCpuIO.
697    o add "_d 0" to real constant of pkg/cfc subroutines ;
698       update exp. cfc_exemple & tutorial_cfc_offline output files.
699    o multi-threading and IO:
700      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
701        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
702      - barrier before and after reading.
703      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
704      - avoid using MDS_WRITELOCAL for LAND pkg output.
705      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
706        common-block variables ; Allows multi-threading with master-thread IO.
707    o change default MAX_NO_THREADS from 32 to 4 ;
708      and stop cleanly when MAX_NO_THREADS is too small.
709    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
710    
711    checkpoint58m_post
712    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
713       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
714    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
715       keep global_ocean.90x40x15 (for AD testing) with former secondary test
716       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
717    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
718        add MITgcm_tutorials (= code + all the tutorials)
719    o ecco, option to compute cost for total ssh (mean+anom)
720    o consistent with addition of ptracer and ssh in pkg/profiles
721    o profiles: adding ptracer and ssh
722    o testreport: change multi-test output-file name
723      (from output.txt.{name} to output.{name}.txt)
724    o profiles: now ok for mutli-tiles case
725    o seaice: add 4 parameters for different advection schemes for area,
726      (effective) seaice thickness, enthalphy, and snow height. Their default
727      is the standard parameter SEAICEadvScheme
728    o calc_gw:
729     - add cosFacU in zonal viscous flux (harmonic.visc.).
730     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
731       of tutorial_plume_on_slope.
732    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
733    o calc_gw: true flux-form, account for horizontal grid spacing.
734      update rotating_tank results, but not plume_on_slope (affected at
735      truncation level, 11 digits).
736    
737    checkpoint58l_post
738    o calc_gw:
739     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
740     - remove side-drag for now (need to fix it); update plume_on_slope results.
741     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
742    o commit code to make SST/SSS weights spatially variable
743      (based on either variable in-situ or variable initial T/S weights)
744    o pkg/ecco:
745      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
746        now based on horizontally varying weights wthetaLev, wsaltLev
747      * cost_averagesflags now returns year indices in addition to day, month
748      * sflux balance is performed on annual basis
749        (sflxumm, sfluxmm2, bal_sfluxmm)
750      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
751        including separate counting and multipliers
752    o pkg/rbcs
753      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
754    
755    checkpoint58k_post
756    o testreport:
757     - always build in dir. "build" (if not there, mkdir build instead of building
758       & running in input)
759     - run in dir run (if it exists), in build otherwise.
760     - call prepare_run (if input/prepare_run exists)
761     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
762    o pkg/exf modifications to interpolation and rotation routines for more
763       reasonable treatment of North Pole singularity: for tracers North Pole
764       value is set to northernmost zonal-mean value, for zonal velocity it is
765       set to zero, and for meridional velocity it is set to northernmost value.
766    o pkg/exf/exf_check_range.F
767     - add tile index to diagnostics and move stop statement to the very
768       end of the routine.
769    o pkg/diagnostics: (diagnostics_main_init.F)
770      define title of isomorphic variables according to the current config.
771    o pkg/thsice with pkg/seaice dynamics:
772    - fix domain of computation (interior only, required for exf) and do exchanges
773    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
774    o towards a standard way of dealing with multi-threading in MONITOR
775      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
776    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
777       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
778    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
779    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
780    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
781       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
782    o tracer advection:
783     - clean-up and simplify calc_common_factors.F
784     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
785       advection subroutine (but still not used within DST advection S/R)
786    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
787    
788    checkpoint58j_post
789    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
790      from file (collects calls previously in FORWARD_STEP)
791    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
792    o adjoint store dir. adjusted accordingly
793    o genmake2
794      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
795    
796    checkpoint58i_post
797    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
798      on wind stress (SEAICEstressFactor defaults to 1.)
799    o Total number of Timers is finite (<=40): comment out 2 non-essential one
800      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
801    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
802      on CS-grid: no longer loosing mass.
803    o exf & curvilinear-grid: no longer modify longitude xC & xG.
804    o pkg/ggl90: fix sloppy output and fix a bug
805    o pkg/seaice: added SEAICEuseEVPpickup parameter
806      - Set to false in order to start EVP solver with
807        non-EVP pickup files when using SEAICEuseEVP
808      - fix sign error in diffusion in seaice_calc_rhs
809    
810    checkpoint58h_post
811    * Modifications for bottom topography control
812      o replace hFacC by _hFacC at various places
813      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
814      o add non-self-adjoint cg2d_nsa
815      o update autodiff support routines
816      o re-initialise hfac after ctrl_depth_ini
817      o works for 5x5 box, doesnt work for global_ocean.90x40x15
818    * Adding verification for 5x5 box (4-layer) bottom topography control
819    
820    checkpoint58g_post
821    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
822       used for mean seasonal cycle, mean diurnal cycle); add an example
823       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
824    o pkg/ggl90:
825      - add parameter (minimum surface kinetic energy)
826      - fix bug (avoiding division by zero)
827    o couple pkg/thsice to pkg/seaice:
828      - modify advection in seaice to accomodate new scalar fields to be advected
829      - only muliDimAdection scheme work with seaice/thsice
830      - mapping of thsice-variables to seaice-variables, back and forth
831      - does not break the verification experiments, but does not give the
832        desired results either
833    o pkg/seaice
834      - make (default) second order advection a bit less confusing?
835    
836    checkpoint58f_post
837    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
838      to pkg/seaice):
839      - new routines thsice_map_exf and thsice_get_exf provide the interface
840      - add an additional formal parameter to thsice_solve4temp
841    o pkg/exf:
842      - add new fields wspeed, snowprecip (to be able to couple to thsice)
843      - correct Stefan-Boltzmann constant
844      - new parameter for longwave surface emittance
845      - separate some stuff from exf_bulkformulae into new routines  
846        exf_radiation, exf_wind
847      - add new parameters and constants: longwave emissivity for ocean, ice
848        and snow, evaporation parameters over ice
849      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
850        either wind from stress or stress from wind
851    o pkg/thSIce:
852    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
853    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
854       and THSICE_CALC_THICKN
855    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
856    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
857      to make debugging easier.
858    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
859    o pkg/bulk_force:
860      - clean-up comments and parameters ;
861      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
862    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
863      generate new output for test-experiment: aim.5l_cs.thSI
864    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
865      testreport accordingly
866    
867    checkpoint58e_post
868    o SEAICE_CGRID adjoint done
869    o R_STAR adjoint implemented.
870      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
871      * need to sort out init. of h0facc, etc.
872    o Make pkg/profile fully independent of ecco,cost, etc. stuff
873      to be able to use it in pure forward.
874    
875    checkpoint58d_post
876    o upgrade simple test-experiment to tutorial example:
877     step.1: duplicate the experiment and (step.2) will remove the old copy.
878      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
879      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
880      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
881      tutorial_global_oce_biogeo    <- copy of dic_example
882      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
883      tutorial_plume_on_slope       <- copy of plume_on_slope
884      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
885      tutorial_global_oce_optim     <- empty for now (David ?)
886      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
887     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
888    o correct a sign problem in cost_scat.F
889    o obcs and ptracers: fix boundary conditions for advections schemes
890      with larger stencil
891    o thsice adjoint: start
892    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
893      completeness
894    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
895      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
896    o ptracers adjoint:
897      * avoid extensive recomputatations
898      * fix missing re-init. of gptr (missed by TAF)
899    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
900      me to turn off the excessive output to STDOUT that this package produces
901    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
902      and add those terms in Vector-Invariant formulation.
903    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
904      if the control period (xx_hfluxperiod etc) is 0
905    o in profiles pkg, clean routines and fix details
906    o in ecco pkg, reading ssh data:
907      fix problem in case the model does not start at iter0=0
908    o fix mnc-pickup/restart for ptracers
909    o new package prifiles:
910      code to compute profile-based cost by Gael Forget
911      (modifs in ecco, ctrl, autodiff)
912    o Benign bug fix in initialization (spotted by M. Mazloff) of
913      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
914    
915    checkpoint58c_post
916    o adjoint: finish NLFS adjoint and provide reference output in
917      verification/global_ocean.90x40x15/results_ad_nlfs
918    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
919      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
920      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
921      with SEAICE_CGRID defined.
922  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
923    with a simple call to pkg/cal S/R: CAL_TIME2WRITE    with a simple call to pkg/cal S/R: CAL_TIME2WRITE
924  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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