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revision 1.638 by heimbach, Thu Mar 23 19:59:59 2006 UTC revision 1.929 by dimitri, Fri Dec 21 01:40:28 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/obcs and pkg/seaice:
8      - do not set uice and vice to zero when OB*icefile are unspecified
9      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
10      - moved seaice tracer obcs after call to seaice_growth
11    o pkg/salt_plume: added various options for salt plume depth
12      criterion and for vertical distribution of the salt
13    
14    checkpoint59l
15    o pkg/ptracers: new version of ptracers pickup:
16      read meta file and write only fields which are needed to restart.
17      ( same logic as main pickup file ; also using pickupStrictlyMatch )
18    o pkg/seaice:
19      - add timescale for melting due to warm mixed layer as a means of
20        setting SEAICE_availHeatFrac more conveniently
21      - add a CPP-flag/runtime parameter check for flooding algorithm
22      - reformulated availHeat in seaice_growth.F to be independent of AREA
23    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
24      unit changes
25    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
26    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
27      SX vector computer.
28    o pkg/seaice:
29      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
30        seaice forcing fields can now be read only through pkg/exf
31      - removed some unused halos
32    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
33    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
34      or U/VICE from U/VWIND before computing U/VSTRESS
35    
36    checkpoint59k
37    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
38      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
39    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
40      all experiments pass when compile with un-initialised var. checking option.
41    o added pkg/salt_plume
42    o script to test restart (for now, in MITgcm_contrib/jmc_script)
43    o pkg/seaice: new read/write pickup version.
44      read meta file and write only fields which are needed to restart.
45      ( same logic as main pickup file ; also using pickupStrictlyMatch )
46    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
47    o lab_sea.hb87: modify the domain & update output.hb87.txt :
48      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
49      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
50      process. Fixed here by closing the domain at the Northern boundary.
51    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
52    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
53      a set of consecutive levels in/from a 3-D array.
54    o pkg/ptracers:
55      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
56      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
57    
58    checkpoint59j
59    o in pkgs: dic, obcs, offline, rbcs:
60      standard way to compute coeff. for time interpolation between 2 time reccords
61      which retains full precision (& make results less dependent on compiler).
62      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
63    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
64      packages instead of reading ice cover and wind speed separately
65    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
66     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
67      to allow to compile customized code before the update)
68    o cleaning-up:
69      - fix CPP instruction syntax in pkg/obcs
70      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
71        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
72      - fix some threads issue in IO parts.
73    o pkg/dic:
74      - add tons of "_d 0" (--> much better testreports !)
75       and then update outputs of tutorial_global_oce_biogeo
76    o pkg/mom_fluxform:
77      add a special version of momentum advection intended to conserve momentum
78      next to a bathymetry step or a coastline edge. (default = off = #undef)
79    o new read/write pickup version:
80      - for now, only implemented for main (mdsio) pickup file.
81      - write out only what is needed to restart; merge pickup_nh , pickup_ph
82        and main pickup together.
83      - read meta file; read only what is needed to restart; stop if a field
84        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
85        if it make sense (even if the restart is not perfect).
86      - if no meta file, assume that pickup to read corresponds exactly to
87        a pickup that would currently be written.
88      - read pickup written in the old format (until checkpoint59i) if it
89        recognizes an old meta file (no field-list).
90      - add a meta file in exp. which starts from a pickup: 2 cases:
91        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
92         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
93        b) a meta file describing the content of the associated pickup file
94         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
95    o pkg/mdsio & pkg/rw:
96      - new routine to read a meta file ; new set of routine to read
97        Multiple-fields file (with meta file).
98    o added open boundary conditions capability for seaice
99        HSNOW, HSALT, UICE, and VICE
100    
101    checkpoint59i
102    o adjoint:
103      * fix multiDimAdvection adjoint
104        (partial recomputation problem by TAF for fVerT(:,:,kDown)
105        and comlev1 size definition (maxpass vs. max. number of tracers)
106      * verification/global_ocean.90x45x15 adjoint now tests
107        NLFS and multiDimAdvection using DST3 (=30)
108      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
109    o pkg/kpp: add "_d 0" to real constant (if missing);
110      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
111      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
112    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
113      for internal parameters related to restart process (formerly from PARAMS.h)
114      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
115    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
116      as argument. (only atm2d & obcs write_pickup have not yet been updated)
117    o pkg/monitor:
118      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
119      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
120      - account for deep Atmosphere factor and density factor (anelastic)
121    o added open boundary conditions capability for seaice HEFF and AREA
122    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
123      thermodynamics
124      - requires a little reorganization, which affects the testreport results
125        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
126        so that now the conservative form is tested
127      - add a few comments
128    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
129    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
130    o add new diagnostics to seaice: advective, diffusive fluxes (only for
131      multidim-advection, for scheme 2 they are not filled) and transports,
132      thermodynamic growth rates
133    o change units of EmPmR (inside the code, + within coupling interface)
134      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
135      Affects results @ truncation level (cg2d match) and update output of
136       experiments: lab_sea(6), global_ocean.90x40x15(10),
137      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
138      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
139      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
140      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
141    
142    checkpoint59h
143    o pkg/exf:
144      - improve vectorization by moving if-statement out of loops in
145        exf_mapfields, exf_radiation
146      - exf_bulkformulae.F: introduce 2D fields and vectorize code
147    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
148    o testreport:
149      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
150        monitor & update offline_exf_seaice exp. output.
151      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
152    o pkg/seaice:
153      - bug fix in the evp solver: boundary conditions were affected be
154        masking of zMax/zMin (changes results)
155      - minor bug fix in boundary conditions in seaice_calc_strainrates
156        (changes results for no_slip)
157      - seaice_lsr.F: make interpolation of eta dependent on boundaries
158      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
159      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
160        stress formulation and no-slip boundary conditions
161    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
162      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
163    o pkg/seaice: a first HSALT time stepping equation has been checked in
164    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
165      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
166      without requiring DO-IF statements
167    o pkg/thsice:
168      use continuous power-law function for partition of energy between lateral
169      melting/freezing and thinning/thickening ; old code using step function
170      still available with #undef THSICE_FRACEN_POWERLAW
171      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
172    o testreport: change AD testing : check against results/output_adm.txt
173      using same scripts as for forward test.
174    
175    checkpoint59g
176    o adjoint testing: in preparation for changing testreport:
177      - output format: cost and grad written on separated lines
178      - ad output results in directory "results" (instead of "results_ad")
179    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
180    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
181    o pkg/ecco: allow user defined cost function contributions
182    o testreport:
183      Allow to choose (per experiment) the list of tested output variables
184       and the main variable (used to issue a pass/FAIL ) ;
185      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
186      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
187      Also modify printing of summary:
188       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
189       b) echo the list of tested variables in the individual summary.txt of
190          each experiment.
191    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
192      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
193      (but still depend on the tile decompostion of the domain).
194    o pkg/seaice: change a discretization detail to make the B-grid code
195      "more symmetric". This change is likely to remove all "ridges/leads" that
196      where quasi-aligned with the grid in B-grid solutions. It may also be
197      the solution to the stress coupling issues with the B-grid.
198    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
199      remove .cvsignore from input dir. (since testreport no longer run here).
200    o pkg/thsice:
201     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
202     - fix reshaping of sea-ice just after advection:
203       melt all the ice only if ice-volume is too small.
204     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
205       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
206     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
207    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
208      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
209    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
210      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
211      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
212      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
213      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
214      -> update output.txt
215    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
216     this affects truncation error: -> update output.txt of exp:
217      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
218      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
219    
220    checkpoint59f
221    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
222    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
223      a bounded range (in forward mode)
224    o pkg/ecco, ctrl, autodiff and mom_common:
225     internal parameter controls, completements of implementations
226    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
227    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
228      (not seem any difference in testing results).
229    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
230       at face corners.
231    o pkg/generic_advdiff:
232     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
233      loop range indices for computing vertical advection tendency
234      and do the calculation in the interior only (no overlap) ;
235      for now, only implemented for SOM advection (to save CPU time).
236     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
237    o exch2 adjoint
238      First set of changes:
239      - add exch2 hand-written adjoint templates
240      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
241        This will require cleanup in pkg/autodiff/*.F
242        (changed routines currently kept separate in verif. code/)
243      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
244        that used to hide exch2 or cubed-sphere specific code
245        (commented via 'cph-exch2')
246    o pkg/seaice
247      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
248    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
249       output of global_ocean.cs32x15.thsice .
250    
251    checkpoint59e
252    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
253      for B-grid vector (not yet tested) and C-grid vector (<- only used
254      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
255    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
256      (#ifdef ALLOW_SALT_PLUME)
257    o gather_2d/scatter_2d: removed halo regions
258    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
259      scheme and the corresponding test case (under front_relax dir). For now,
260      only available with Skew-flux form and not yet tested in realistic set-up.
261      adjoint: store directives updated, but gradient checks deteriorated,
262      so maybe GM/Redi adjoint is now broken.
263    o seaice adjoint
264      * add AREA, HEFF, HSNOW as control variable
265        (should not change lab_sea results)
266      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
267    o pkg/seaice:
268      * added computation of saltFlux in seaice_growth;
269        For time being, sea ice salinity is assumed constant
270        contribution of snow flooding to freshening of sea ice is neglected.
271        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
272        defaults to 0.0 in order to maintain backward compatibility.
273        Typical values for SEAICE_salinity are 4 to 10 g/kg.
274      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
275      * added SEAICE_availHeatFrac, which specifies fraction of surface level
276        heat content used to melt or grow ice
277      * commented out cap of HICE: it helps keep ice thinner
278      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
279      * applied OBCS T/S mask to HEFFM sea ice mask
280    
281    checkpoint59d
282    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
283     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
284     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
285    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
286     and change default value of parameter "GM_Small_Number";
287     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
288       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
289       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
290    o pkg/ecco: cost function when applying pkg/smooth to controls
291    o pkg/ctrl: add forcingPrecond run time parameter
292    o pkg/seaice:
293     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
294     - fix bug in metric terms of u-equation in LSR solver (implicit part),
295       changes verification/lab_sea
296     - rearrange implicit part of u-equation in LSR solver to make it easier to
297       read, understand, and debug. This causes changes at the truncation level.
298     - fix (serious) bug in the boundary conditions (sign error in the implicit
299       part) of the LSR solver. Changes all LSR results.
300     - fixed problem with HSNOW initialization to avoid thick snow when AREA
301       is initilized with small values - does not change lab_sea results.
302     - added HsnowFile initialization capability
303    o pkg/smooth: addition to model/src and pkg/ctrl so allow
304     initialization of pkg/smooth and application to control vector
305    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
306    o dependencies: pkg/profiles requires pkg/cal
307    o pkg/profiles:
308     - added option ALLOW_PROFILES_GENERICGRID
309         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
310         that interpolation information (grid points and coefficients) is provided
311         within the netcdf input files.
312         -> sample matlab scripts can be found in MITgcm_contrib/gael
313         that allow you to prepare netcdf input files.
314     - also modified: cleaner include statements, cleaner error print statements,
315       cleaner stops when error, and more tests of the netcdf input files consistency.
316    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
317    o pkg/seaice:
318     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
319       requires a new routine: seaice_diagnostics_fill.F
320     - make sure that seaice does not move if not forced (pressure replacement
321       method, Hibler and Ip, 1995), changes results
322     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
323     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
324       It is turned off by default (=-1.), because it changes the results.
325     - make it possible to read AREA from a file, too.
326    
327    checkpoint59c
328    o add S/R and diagnostics for oceanic mixed-layer depth
329    o move GMRedi call after all vertical mixing schemes (including KPP)
330    o pkg/thsice:
331     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
332      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
333    o pkg/obcs:
334     - bug fix for balance code
335    o pkg/seaice:
336      - allow values of SEAICE_elasticParm > 1
337      - add new parameter SEAICE_evpTauRelax as an alternative
338        to SEAICE_elasticParm
339      - make lsr boundary conditions free slip (by default), changes result
340      - add code for no slip boundary conditions for lsr
341      - set minimum of zeta to zero (and not 4e8) (changes results)
342      - add a cap on AREA after advecting AREA if seaice_growth is not called
343    o change calculation of Visbeck K:
344      - no longer depend on tapering scheme; instead, compute slope (limited
345        by GM_maxSlope). this is equivalent to what was comuted before with
346        clipping or linear tappering.
347      - fix vertical averaging (wrong by 1/2 level)
348      - leave the old version (but will not be maintained) within
349        #ifdef OLD_VISBECK_CALC / #endif
350      - update output of exp. ideal_2D_oce
351    o change error catch in calc_r_star to improve vectorization
352    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
353      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
354    o adjoint:
355      Re-organized adjoint checkpointing according to Matt Mazloff
356      (but with modifs/completions/cleanups)
357      Storing is now bundled into large arrays to optimized I/O
358      (and second step in cleanup of the_main_loop)
359    
360    checkpoint59b
361    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
362      - export/import (between ocean & coupler) fields needed for ocean DIC.
363    o pkg/seaice:
364      - get rid of three more exchanges seaice_calc_viscosities (required
365        different loop boundaries in seaice_lsr and seaice_ocean_stress)
366      - bug fix in seaice_ocean_stress (update of lab_sea required)
367      - reduce loop boundaries to necessary minimum also in seaice_evp
368      - go back to the old way of computing deltaC/Z as the adjoint likes that
369        better
370    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
371      passive tracer to an Age Tracer) + update output.txt
372    o pkg/exf:
373      - implement A-grid / C-grid selection for wind-stress input files.
374      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
375      for now, in exf_bulk_largeyeager04.F only :
376      - change implementation for case where windspeed + 2. components wind-stress
377        are read-in. AND use rhoConstFresh to convert evap.
378    o pkg/seaice:
379      - use correct EXCH_UV for wind-forcing (on A-grid).
380      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
381        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
382    o pkg/exf:
383      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
384      EXF_INTERPOLATION:
385      - merge global_with_exf/code version of exf_interp_read.F
386        to the main code ;
387      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
388        reading the file ; Important: This options needs to be defined to recover
389        previous code.
390        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
391      - no longer loose real*8 precision along the way when using exf_iprec=64.
392    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
393      - change discretisation of evp-solver in order to avoid another exchange
394        (changes lab_sea) and clean up a little
395      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
396        help the adjoint (this also changes the results slightly)
397      - add a few "_d 0" where they had been missing in seaice_evp.F
398      - cleaning up: remove unused seaice_calc_rhs.F
399    o pkg/exf: some cleaning-up:
400      - change various "constants" into runtime parameters
401      - cleaned-up Large&Yeager04 routine which should eventually
402        replace exf_bulkformulae.F (changed names of S/R and CPP)
403        and merged various ALLOW_ATM_WIND options
404     only used with thsice pkg (in thsice_get_exf.F):
405      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
406        which are used when useStabilityFct_overIce=TRUE (= the default)
407      - change default values of ice & snow emissivity and scale downward LW
408        by ice & snow emissivity.
409    o pkg/thsice:
410     fix few little problems, in thsice_calc_thickn.F:
411      - growth vertically (and not laterally) if iceFrac == iceMaskMax
412      - melt only laterally if hIce < hThinIce (as the comments say)
413      and in thsice_extend.F:
414      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
415      - start to form ice as soon as the minimum ice-volume is reachable.
416     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
417      and cpl_aim+ocn
418    o pkg/kpp
419     - move computation of surface related input fields to KPP into a new
420       subroutine kpp_forcing_surf.F
421     - remove wrong (within bi,bj loops) EXCH calls.
422     - little cleaning (add argument myThid in last position, cvs header ...)
423     - for now, fix conservation problem by exchanging KPPviscAz (may not
424       be the best fix)
425    o pkg/seaice
426     - check for inconsistent evp parameter/cpp-flag combination
427     - remove leftover errIO flat for obsolete name list error handling
428    o OpenAD
429     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
430    
431    checkpoint59a
432    o pkg/seaice: some parameter clarifications and a little bit of clean up
433    o pkg/thsice: rename run-time parameters:
434       himin       -> hIceMin
435       himin0      -> hThinIce
436       hihig       -> hThickIce
437       i0          -> i0swFrac
438       transCoef   -> bMeltCoef
439       frac_energy -> fracMelting
440      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
441       with default values (for now) that do not change the results.
442      remove old version of thsice vars advection in pkg/seaice.
443    o in FFIELDS.h:
444      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
445      - make pLoad & sIceLoad always available (but still only used if
446         ATMOSPHERIC_LOADING is #define).
447    o pkg/kpp: replaced _KPP_RL with _RL
448    o bug fixes for vertical diffusivity computations when both KPP and
449        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
450        are no longer updating the vertical diffusivity array
451        (passed as argument) but are (re-) setting those arrays.
452    o pkg/seaice: fix bug in evp solver, while doing that
453      - change (improve?) discretization of stress computations for both
454        cgrid-lsr and evp solver
455      - add a new routine to compute strain rates
456      - the above changes lab_sea results
457      - add no slip conditions for evp solver (off by default), lsr-version
458        may follow
459      - fix exchange for shear at Z-points (does not change lab_sea)
460      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
461        (to force the user to pick a time step since there is not "safe" way
462        of choosing it)
463      - add principal stress diagnostics
464      - rearrange fields for evp a little to avoid having to call a: too many
465        exchanges and b: exchanges for stress trensor components which we do
466        not have.
467      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
468        of evp, complete rewrite for lsr case (latter is does not yet work
469        in all cases)
470    o pkg/kpp: add code to have mixing in shelf ice caverns
471      - add myThid to all kpp routines (long overdue)
472    
473    checkpoint59
474    o pkg/exf:
475      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
476        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
477      - move exf header files from lower_case.h to UPPER_CASE.h ;
478        add missing cvs Header & Name
479      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
480      - add namelist param. selectStressGridPosition, exf_monFreq
481      - retire many _CLIM routines, and remove data.exf_clim
482        + params moved to data.exf
483        + climsst, climsss now handled by exf_set_gen, i.e.
484          climss?period=0 refers to constant field,
485          climss?period=-12 to monthly forcing
486      - split up namelists in data.exf
487    o pkg/seaice:
488      - remove seaice_exch and seaice_exch_uv
489      - remove superfluous exchange of theta
490      - add myThid to seaice_budget_ocean/ice
491      - add new interface for atmospheric wind forcing (C-grid only)
492        + new routine
493        + two new field (taux, tauy for stress over ice)
494        + removed one global field (DAIRN) for C-grid case only
495    o pkg/thsise
496      - 2nd set of modifs for thsice adjoint in conjunction with exf
497    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
498    
499    checkpoint58y_post
500    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
501      vertical diffusivity, similar to that in MOM4; turned on using
502      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
503      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
504    o Added capability for 3D specification of background vertical diffusion
505      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
506      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
507      "data" file that contains the 3D vertical diffusivity coefficients.
508    o ice dynamics (pkg/seaice) with thsice thermodynamics:
509      - add code within pkg thsice to advect & diffuse sea-ice fields
510      similar to (and will replace) what has been added in  seaice_advdiff.F,
511      but: - conserving Mass, Heat & Salt.
512           - better when using non-linear advection scheme (not yet fully tested)
513           - can also be used in atmospheric set-up (for now, only the diffusion).
514    
515    checkpoint58x_post
516    o IO option for global-file compact format:
517      - add options when generating topology (utils/exch2/matlab-topology-generator)
518      - add I/O capability (pkg/mdsio).
519      - adapt utils/matlab/rdmds.m to read this format.
520      for now long-line format not yet supported by pkg/mdsio (& exch2).
521    o shelfice: add a few diagnostics
522    
523    checkpoint58w_post
524    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
525      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
526      (and replace horiVertRatio in NH code).
527      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
528                         and tutorial_plume_on_slope (sensitive to truncation)
529    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
530      directly to drive seaice model (C-grid only)
531    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
532     - reintroduce computation of wind from stress,
533     - compute tau (in exf_bulkformulae.F) from windstress averaged to
534       mass points to avoid tau = 0
535     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
536    o rdmnc.m: make it work with "global" files created with gluemnc
537    o rdmnc.m : some improvements in dealing with singleton dimension
538      (tested on all testreport mnc output files).
539    o genmake2: disable pkg/profiles if netcdf test fails.
540    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
541    o move call to cal_readparms up to make calendar parameters/variable available
542      to all packages
543    
544    checkpoint58v_post
545    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
546      useDynP_inEos_Zc tested.
547    o pkg/exf: changes to properly interpolate/mask/scale initial fields
548    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
549      and portions thereof.  See read_cs.txt for description and examples.
550    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
551      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
552      following the great-circle arc between those 2 points.
553    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
554      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
555    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
556     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
557     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
558     - still needs work (not working with some options ; efficiency to improve)
559       and serious testing.
560     - use this scheme for temperature & salinity in 2 advection test exp.:
561       advect_xy & advect_xz, respectively.
562    
563    checkpoint58u_post
564    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
565    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
566    o testreport: add option "-skipdir" to skip some test.
567    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
568      momentum calculation.
569    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
570    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
571      remove checkpoint.F and the_correction_step.F (no longer used);
572      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
573    o add option (linFSConserveTr) to correct for tracer source/sink due to
574      Linear Free surface
575    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
576    o pkg/thsice: fix reading mnc-pickups
577    
578    checkpoint58t_post
579    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
580    o pkg/mdsio:
581     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
582       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
583       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
584     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
585     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
586       either MDS_READ_FIELD or MDS_WRITE_FIELD )
587     - new S/R (to replace MDSWRITEMETA), which allows to write more
588       informations (variable names, time ...) to meta files.
589     - modify rdmds.m to give back the meta file content.
590    o pkg/diagnostics: change vertical interpolation to be safer, and more
591       flexible (define p-levels to interpolate to in data.diagnostics);
592      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
593       diagnostic pointer.
594    o pkg/seaice: more cleaning up of seaice_growth, added many comments
595    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
596    o fix multi-category seaice:
597     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
598       SEAICE_MULTICATEGORY
599     - fix short wave heat flux
600    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
601       and allow to use EVP solver. Change forward lab_sea: test both EVP
602       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
603    o Initial check-in of lab_sea adjoint
604      (very similar to natl_box_adjoint/code_seaice)
605      * used C-grid and EVP solver
606      * used KPP, GM/Redi
607      * uses inAdExact=.TRUE.
608      * gradient checks fail for both ADM and TLM
609        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
610        f.d. gradients actually seem more problematic than ADM, TLM gradients;
611        issue is related to forward mismatch between g77 an ifort
612    o pkg/seaice: overhaul of thermodynamics
613     - growth.F and groatb.F are replaced by new routine seaice_growth.F
614     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
615     - move a few global fields out of SEAICE.h into seaice_growth.F and
616       make them 2D (FICE/QNETO/ ...)
617     - remove FO (it is the same as QNETO)
618     - introduce a few local fields to avoid modifying external fields such
619       as atemp, etc.
620    
621    checkpoint58s_post
622    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
623      changed exf_set_gen.F so that
624        genperiod=0 means input file is one time-constant field and
625        genperiod=-12 means input file contains 12 monthly means
626    o CG2D: use pre-computed solver main-diagonal (stored in common block);
627      this affects truncation error ; generate new output file for exp. which
628      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
629        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
630        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
631        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
632        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
633        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
634    o start implementation of deep-atmosphere and anelastic formulation
635    o verification: remove 2nd copy of input files and use script "prepare_run"
636      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
637    o mom_common/vecinv/fluxform: fix a few initialisation isssues
638    o profiles: fix for multithreaded case
639    
640    o diagnostics: rename few diags:
641      s/'PRESSURE'/'RCENTER '/g
642      s/'TICE    '/'oceFreez'/g
643      s/'TAUX    '/'oceTAUX '/g
644      s/'TAUY    '/'oceTAUY '/g
645      s/'SWFLUX  '/'oceQsw  '/g
646      s/DIFx/DFxE/g
647      s/DIFy/DFyE/g
648      and add few ocean-forcing diagnostics:
649      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
650    o modifications to pkg/seaice/growth.F and budget.F, which change results of
651      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
652      as actual snow thickness.  It now refers everywhere to effective snow
653      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
654    
655    checkpoint58r_post
656    o modifications to pkg/seaice/growth.F, which change results of
657      lab_sea experiment: fixes pertain to melting snow over open water, to
658      masking EVAP under sea ice, and to using the correct AREA variable for
659      computations of EVAP, PRECIP, HSNOW, and GHEFF
660    o add ability to read bathy, salt, and theta using MNC (off by def)
661    o add flooding algorithm and advection of HSNOW for pkg/seaice;
662      both are turned off by default and do no change any results
663    o seaice advection with pkg/thsice: a step toward the use of non-linear
664      advection scheme, but #ifdef or commented out for now (requires more EXCH).
665    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
666      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
667      in natl_box (affects results @ truncation level: update output.txt)
668    o multi-threading and IO:
669      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
670      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
671        (needed to work with SingleCpuIO): tested in all verif. exp.
672    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
673      affects the results (but none of the verification test uses this scheme).
674    o Adding some pkg/diagnostics capability to pkg/seaice
675      (will certainly be subject to changes)
676    o ctrl: adding new control variables:
677      lwflux, lwdown, evap, snowprecip, apressure, runoff
678    
679    checkpoint58q_post
680    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
681      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
682      high_res_cube configuration by 4% on Columbia.
683    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
684      add (in global_with_exf/code) a version of EXF_INTERP_READ without
685      dynamical allocation (seems to work in multi-threaded).
686    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
687      single CPU io) so that TAF does not have to see EESUPPORT.h
688    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
689    
690    checkpoint58p_post
691    o obcs: stop if obcs is used with useCDscheme = .true.
692    o shelfice:
693     - fix a sign error so that no slip at shelfice interface works
694     - remove stop for combination non-hydrostatic code and shelfice. That does
695       not mean, that the results are correct, but at least they are numerically
696       stable
697    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
698    o added adjoint exch routined for all exch*3d* routines
699      and updated flow directives
700    
701    checkpoint58o_post
702    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
703      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
704    o change controling S/R for writing pickup file (new S/R do_write_pickup)
705      and clean-up reading/writing of pickup files.
706    o fix local version of read/write pickup (NH part) in rotating_tank/code
707    o simplify EXCH interface:
708     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
709     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
710    o added the regrid package
711    o shelfice:
712     - add a simple boundary layer scheme to reduce noise
713     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
714    
715    checkpoint58n_post
716    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
717       local variable (not in common block).
718    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
719      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
720      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
721        to work with SingleCpuIO.
722    o add "_d 0" to real constant of pkg/cfc subroutines ;
723       update exp. cfc_exemple & tutorial_cfc_offline output files.
724    o multi-threading and IO:
725      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
726        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
727      - barrier before and after reading.
728      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
729      - avoid using MDS_WRITELOCAL for LAND pkg output.
730      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
731        common-block variables ; Allows multi-threading with master-thread IO.
732    o change default MAX_NO_THREADS from 32 to 4 ;
733      and stop cleanly when MAX_NO_THREADS is too small.
734    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
735    
736    checkpoint58m_post
737    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
738       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
739    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
740       keep global_ocean.90x40x15 (for AD testing) with former secondary test
741       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
742    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
743        add MITgcm_tutorials (= code + all the tutorials)
744    o ecco, option to compute cost for total ssh (mean+anom)
745    o consistent with addition of ptracer and ssh in pkg/profiles
746    o profiles: adding ptracer and ssh
747    o testreport: change multi-test output-file name
748      (from output.txt.{name} to output.{name}.txt)
749    o profiles: now ok for mutli-tiles case
750    o seaice: add 4 parameters for different advection schemes for area,
751      (effective) seaice thickness, enthalphy, and snow height. Their default
752      is the standard parameter SEAICEadvScheme
753    o calc_gw:
754     - add cosFacU in zonal viscous flux (harmonic.visc.).
755     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
756       of tutorial_plume_on_slope.
757    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
758    o calc_gw: true flux-form, account for horizontal grid spacing.
759      update rotating_tank results, but not plume_on_slope (affected at
760      truncation level, 11 digits).
761    
762    checkpoint58l_post
763    o calc_gw:
764     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
765     - remove side-drag for now (need to fix it); update plume_on_slope results.
766     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
767    o commit code to make SST/SSS weights spatially variable
768      (based on either variable in-situ or variable initial T/S weights)
769    o pkg/ecco:
770      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
771        now based on horizontally varying weights wthetaLev, wsaltLev
772      * cost_averagesflags now returns year indices in addition to day, month
773      * sflux balance is performed on annual basis
774        (sflxumm, sfluxmm2, bal_sfluxmm)
775      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
776        including separate counting and multipliers
777    o pkg/rbcs
778      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
779    
780    checkpoint58k_post
781    o testreport:
782     - always build in dir. "build" (if not there, mkdir build instead of building
783       & running in input)
784     - run in dir run (if it exists), in build otherwise.
785     - call prepare_run (if input/prepare_run exists)
786     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
787    o pkg/exf modifications to interpolation and rotation routines for more
788       reasonable treatment of North Pole singularity: for tracers North Pole
789       value is set to northernmost zonal-mean value, for zonal velocity it is
790       set to zero, and for meridional velocity it is set to northernmost value.
791    o pkg/exf/exf_check_range.F
792     - add tile index to diagnostics and move stop statement to the very
793       end of the routine.
794    o pkg/diagnostics: (diagnostics_main_init.F)
795      define title of isomorphic variables according to the current config.
796    o pkg/thsice with pkg/seaice dynamics:
797    - fix domain of computation (interior only, required for exf) and do exchanges
798    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
799    o towards a standard way of dealing with multi-threading in MONITOR
800      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
801    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
802       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
803    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
804    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
805    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
806       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
807    o tracer advection:
808     - clean-up and simplify calc_common_factors.F
809     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
810       advection subroutine (but still not used within DST advection S/R)
811    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
812    
813    checkpoint58j_post
814    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
815      from file (collects calls previously in FORWARD_STEP)
816    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
817    o adjoint store dir. adjusted accordingly
818    o genmake2
819      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
820    
821    checkpoint58i_post
822    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
823      on wind stress (SEAICEstressFactor defaults to 1.)
824    o Total number of Timers is finite (<=40): comment out 2 non-essential one
825      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
826    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
827      on CS-grid: no longer loosing mass.
828    o exf & curvilinear-grid: no longer modify longitude xC & xG.
829    o pkg/ggl90: fix sloppy output and fix a bug
830    o pkg/seaice: added SEAICEuseEVPpickup parameter
831      - Set to false in order to start EVP solver with
832        non-EVP pickup files when using SEAICEuseEVP
833      - fix sign error in diffusion in seaice_calc_rhs
834    
835    checkpoint58h_post
836    * Modifications for bottom topography control
837      o replace hFacC by _hFacC at various places
838      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
839      o add non-self-adjoint cg2d_nsa
840      o update autodiff support routines
841      o re-initialise hfac after ctrl_depth_ini
842      o works for 5x5 box, doesnt work for global_ocean.90x40x15
843    * Adding verification for 5x5 box (4-layer) bottom topography control
844    
845    checkpoint58g_post
846    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
847       used for mean seasonal cycle, mean diurnal cycle); add an example
848       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
849    o pkg/ggl90:
850      - add parameter (minimum surface kinetic energy)
851      - fix bug (avoiding division by zero)
852    o couple pkg/thsice to pkg/seaice:
853      - modify advection in seaice to accomodate new scalar fields to be advected
854      - only muliDimAdection scheme work with seaice/thsice
855      - mapping of thsice-variables to seaice-variables, back and forth
856      - does not break the verification experiments, but does not give the
857        desired results either
858    o pkg/seaice
859      - make (default) second order advection a bit less confusing?
860    
861    checkpoint58f_post
862    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
863      to pkg/seaice):
864      - new routines thsice_map_exf and thsice_get_exf provide the interface
865      - add an additional formal parameter to thsice_solve4temp
866    o pkg/exf:
867      - add new fields wspeed, snowprecip (to be able to couple to thsice)
868      - correct Stefan-Boltzmann constant
869      - new parameter for longwave surface emittance
870      - separate some stuff from exf_bulkformulae into new routines  
871        exf_radiation, exf_wind
872      - add new parameters and constants: longwave emissivity for ocean, ice
873        and snow, evaporation parameters over ice
874      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
875        either wind from stress or stress from wind
876    o pkg/thSIce:
877    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
878    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
879       and THSICE_CALC_THICKN
880    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
881    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
882      to make debugging easier.
883    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
884    o pkg/bulk_force:
885      - clean-up comments and parameters ;
886      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
887    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
888      generate new output for test-experiment: aim.5l_cs.thSI
889    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
890      testreport accordingly
891    
892    checkpoint58e_post
893    o SEAICE_CGRID adjoint done
894    o R_STAR adjoint implemented.
895      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
896      * need to sort out init. of h0facc, etc.
897    o Make pkg/profile fully independent of ecco,cost, etc. stuff
898      to be able to use it in pure forward.
899    
900    checkpoint58d_post
901    o upgrade simple test-experiment to tutorial example:
902     step.1: duplicate the experiment and (step.2) will remove the old copy.
903      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
904      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
905      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
906      tutorial_global_oce_biogeo    <- copy of dic_example
907      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
908      tutorial_plume_on_slope       <- copy of plume_on_slope
909      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
910      tutorial_global_oce_optim     <- empty for now (David ?)
911      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
912     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
913    o correct a sign problem in cost_scat.F
914    o obcs and ptracers: fix boundary conditions for advections schemes
915      with larger stencil
916    o thsice adjoint: start
917    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
918      completeness
919    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
920      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
921    o ptracers adjoint:
922      * avoid extensive recomputatations
923      * fix missing re-init. of gptr (missed by TAF)
924    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
925      me to turn off the excessive output to STDOUT that this package produces
926    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
927      and add those terms in Vector-Invariant formulation.
928    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
929      if the control period (xx_hfluxperiod etc) is 0
930    o in profiles pkg, clean routines and fix details
931    o in ecco pkg, reading ssh data:
932      fix problem in case the model does not start at iter0=0
933    o fix mnc-pickup/restart for ptracers
934    o new package prifiles:
935      code to compute profile-based cost by Gael Forget
936      (modifs in ecco, ctrl, autodiff)
937    o Benign bug fix in initialization (spotted by M. Mazloff) of
938      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
939    
940  checkpoint58c_post  checkpoint58c_post
941  o adjoint: finish NLFS adjoint and provide reference output in  o adjoint: finish NLFS adjoint and provide reference output in
942    verification/global_ocean.90x40x15/results_ad_nlfs    verification/global_ocean.90x40x15/results_ad_nlfs

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