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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.919 by mlosch, Wed Dec 5 08:17:05 2007 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
8      SX vector computer.
9    o pkg/seaice: removed SEAICE_FFIELDS.h and seaice_get_forcing.F
10      seaice forcing fields can now be read only through pkg/exf
11    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
12    o pkg/exf: added CPP option EXF_SUBTRACT_UVVEL_FROM_UVWIND for subtracting
13      UVEL and VVEL from UWIND and VWIND prior to applying bulk formulae.
14    
15    checkpoint59k
16    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
17      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
18    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
19      all experiments pass when compile with un-initilised var. checking option.
20    o added pkg/salt_plume
21    o script to test restart (for now, in MITgcm_contrib/jmc_script)
22    o pkg/seaice: new read/write pickup version.
23      read meta file and write only fields which are needed to restart.
24      ( same logic as main pickup file ; also using pickupStrictlyMatch )
25    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
26    o lab_sea.hb87: modify the domain & update output.hb87.txt :
27      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
28      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
29      process. Fixed here by closing the domain at the Northern boundary.
30    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
31    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
32      a set of consecutive levels in/from a 3-D array.
33    o pkg/ptracers:
34      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
35      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
36    
37    checkpoint59j
38    o in pkgs: dic, obcs, offline, rbcs:
39      standard way to compute coeff. for time interpolation between 2 time reccords
40      which retains full precision (& make results less dependent on compiler).
41      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
42    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
43      packages instead of reading ice cover and wind speed separately
44    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
45     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
46      to allow to compile customized code before the update)
47    o cleaning-up:
48      - fix CPP instruction syntax in pkg/obcs
49      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
50        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
51      - fix some threads issue in IO parts.
52    o pkg/dic:
53      - add tons of "_d 0" (--> much better testreports !)
54       and then update outputs of tutorial_global_oce_biogeo
55    o pkg/mom_fluxform:
56      add a special version of momentum advection intended to conserve momentum
57      next to a bathymetry step or a coastline edge. (default = off = #undef)
58    o new read/write pickup version:
59      - for now, only implemented for main (mdsio) pickup file.
60      - write out only what is needed to restart; merge pickup_nh , pickup_ph
61        and main pickup together.
62      - read meta file; read only what is needed to restart; stop if a field
63        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
64        if it make sense (even if the restart is not perfect).
65      - if no meta file, assume that pickup to read corresponds exactly to
66        a pickup that would currently be written.
67      - read pickup written in the old format (until checkpoint59i) if it
68        recognizes an old meta file (no field-list).
69      - add a meta file in exp. which starts from a pickup: 2 cases:
70        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
71         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
72        b) a meta file describing the content of the associated pickup file
73         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
74    o pkg/mdsio & pkg/rw:
75      - new routine to read a meta file ; new set of routine to read
76        Multiple-fields file (with meta file).
77    o added open boundary conditions capability for seaice
78        HSNOW, HSALT, UICE, and VICE
79    
80    checkpoint59i
81    o adjoint:
82      * fix multiDimAdvection adjoint
83        (partial recomputation problem by TAF for fVerT(:,:,kDown)
84        and comlev1 size definition (maxpass vs. max. number of tracers)
85      * verification/global_ocean.90x45x15 adjoint now tests
86        NLFS and multiDimAdvection using DST3 (=30)
87      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
88    o pkg/kpp: add "_d 0" to real constant (if missing);
89      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
90      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
91    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
92      for internal parameters related to restart process (formerly from PARAMS.h)
93      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
94    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
95      as argument. (only atm2d & obcs write_pickup have not yet been updated)
96    o pkg/monitor:
97      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
98      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
99      - account for deep Atmosphere factor and density factor (anelastic)
100    o added open boundary conditions capability for seaice HEFF and AREA
101    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
102      thermodynamics
103      - requires a little reorganization, which affects the testreport results
104        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
105        so that now the conservative form is tested
106      - add a few comments
107    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
108    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
109    o add new diagnostics to seaice: advective, diffusive fluxes (only for
110      multidim-advection, for scheme 2 they are not filled) and transports,
111      thermodynamic growth rates
112    o change units of EmPmR (inside the code, + within coupling interface)
113      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
114      Affects results @ truncation level (cg2d match) and update output of
115       experiments: lab_sea(6), global_ocean.90x40x15(10),
116      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
117      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
118      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
119      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
120    
121    checkpoint59h
122    o pkg/exf:
123      - improve vectorization by moving if-statement out of loops in
124        exf_mapfields, exf_radiation
125      - exf_bulkformulae.F: introduce 2D fields and vectorize code
126    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
127    o testreport:
128      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
129        monitor & update offline_exf_seaice exp. output.
130      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
131    o pkg/seaice:
132      - bug fix in the evp solver: boundary conditions were affected be
133        masking of zMax/zMin (changes results)
134      - minor bug fix in boundary conditions in seaice_calc_strainrates
135        (changes results for no_slip)
136      - seaice_lsr.F: make interpolation of eta dependent on boundaries
137      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
138      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
139        stress formulation and no-slip boundary conditions
140    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
141      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
142    o pkg/seaice: a first HSALT time stepping equation has been checked in
143    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
144      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
145      without requiring DO-IF statements
146    o pkg/thsice:
147      use continuous power-law function for partition of energy between lateral
148      melting/freezing and thinning/thickening ; old code using step function
149      still available with #undef THSICE_FRACEN_POWERLAW
150      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
151    o testreport: change AD testing : check against results/output_adm.txt
152      using same scripts as for forward test.
153    
154    checkpoint59g
155    o adjoint testing: in preparation for changing testreport:
156      - output format: cost and grad written on separated lines
157      - ad output results in directory "results" (instead of "results_ad")
158    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
159    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
160    o pkg/ecco: allow user defined cost function contributions
161    o testreport:
162      Allow to choose (per experiment) the list of tested output variables
163       and the main variable (used to issue a pass/FAIL ) ;
164      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
165      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
166      Also modify printing of summary:
167       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
168       b) echo the list of tested variables in the individual summary.txt of
169          each experiment.
170    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
171      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
172      (but still depend on the tile decompostion of the domain).
173    o pkg/seaice: change a discretization detail to make the B-grid code
174      "more symmetric". This change is likely to remove all "ridges/leads" that
175      where quasi-aligned with the grid in B-grid solutions. It may also be
176      the solution to the stress coupling issues with the B-grid.
177    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
178      remove .cvsignore from input dir. (since testreport no longer run here).
179    o pkg/thsice:
180     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
181     - fix reshaping of sea-ice just after advection:
182       melt all the ice only if ice-volume is too small.
183     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
184       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
185     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
186    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
187      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
188    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
189      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
190      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
191      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
192      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
193      -> update output.txt
194    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
195     this affects truncation error: -> update output.txt of exp:
196      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
197      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
198    
199    checkpoint59f
200    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
201    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
202      a bounded range (in forward mode)
203    o pkg/ecco, ctrl, autodiff and mom_common:
204     internal parameter controls, completements of implementations
205    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
206    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
207      (not seem any difference in testing results).
208    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
209       at face corners.
210    o pkg/generic_advdiff:
211     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
212      loop range indices for computing vertical advection tendency
213      and do the calculation in the interior only (no overlap) ;
214      for now, only implemented for SOM advection (to save CPU time).
215     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
216    o exch2 adjoint
217      First set of changes:
218      - add exch2 hand-written adjoint templates
219      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
220        This will require cleanup in pkg/autodiff/*.F
221        (changed routines currently kept separate in verif. code/)
222      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
223        that used to hide exch2 or cubed-sphere specific code
224        (commented via 'cph-exch2')
225    o pkg/seaice
226      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
227    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
228       output of global_ocean.cs32x15.thsice .
229    
230    checkpoint59e
231    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
232      for B-grid vector (not yet tested) and C-grid vector (<- only used
233      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
234    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
235      (#ifdef ALLOW_SALT_PLUME)
236    o gather_2d/scatter_2d: removed halo regions
237    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
238      scheme and the corresponding test case (under front_relax dir). For now,
239      only available with Skew-flux form and not yet tested in realistic set-up.
240      adjoint: store directives updated, but gradient checks deteriorated,
241      so maybe GM/Redi adjoint is now broken.
242    o seaice adjoint
243      * add AREA, HEFF, HSNOW as control variable
244        (should not change lab_sea results)
245      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
246    o pkg/seaice:
247      * added computation of saltFlux in seaice_growth;
248        For time being, sea ice salinity is assumed constant
249        contribution of snow flooding to freshening of sea ice is neglected.
250        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
251        defaults to 0.0 in order to maintain backward compatibility.
252        Typical values for SEAICE_salinity are 4 to 10 g/kg.
253      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
254      * added SEAICE_availHeatFrac, which specifies fraction of surface level
255        heat content used to melt or grow ice
256      * commented out cap of HICE: it helps keep ice thinner
257      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
258      * applied OBCS T/S mask to HEFFM sea ice mask
259    
260    checkpoint59d
261    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
262     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
263     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
264    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
265     and change default value of parameter "GM_Small_Number";
266     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
267       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
268       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
269    o pkg/ecco: cost function when applying pkg/smooth to controls
270    o pkg/ctrl: add forcingPrecond run time parameter
271    o pkg/seaice:
272     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
273     - fix bug in metric terms of u-equation in LSR solver (implicit part),
274       changes verification/lab_sea
275     - rearrange implicit part of u-equation in LSR solver to make it easier to
276       read, understand, and debug. This causes changes at the truncation level.
277     - fix (serious) bug in the boundary conditions (sign error in the implicit
278       part) of the LSR solver. Changes all LSR results.
279     - fixed problem with HSNOW initialization to avoid thick snow when AREA
280       is initilized with small values - does not change lab_sea results.
281     - added HsnowFile initialization capability
282    o pkg/smooth: addition to model/src and pkg/ctrl so allow
283     initialization of pkg/smooth and application to control vector
284    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
285    o dependencies: pkg/profiles requires pkg/cal
286    o pkg/profiles:
287     - added option ALLOW_PROFILES_GENERICGRID
288         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
289         that interpolation information (grid points and coefficients) is provided
290         within the netcdf input files.
291         -> sample matlab scripts can be found in MITgcm_contrib/gael
292         that allow you to prepare netcdf input files.
293     - also modified: cleaner include statements, cleaner error print statements,
294       cleaner stops when error, and more tests of the netcdf input files consistency.
295    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
296    o pkg/seaice:
297     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
298       requires a new routine: seaice_diagnostics_fill.F
299     - make sure that seaice does not move if not forced (pressure replacement
300       method, Hibler and Ip, 1995), changes results
301     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
302     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
303       It is turned off by default (=-1.), because it changes the results.
304     - make it possible to read AREA from a file, too.
305    
306    checkpoint59c
307    o add S/R and diagnostics for oceanic mixed-layer depth
308    o move GMRedi call after all vertical mixing schemes (including KPP)
309    o pkg/thsice:
310     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
311      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
312    o pkg/obcs:
313     - bug fix for balance code
314    o pkg/seaice:
315      - allow values of SEAICE_elasticParm > 1
316      - add new parameter SEAICE_evpTauRelax as an alternative
317        to SEAICE_elasticParm
318      - make lsr boundary conditions free slip (by default), changes result
319      - add code for no slip boundary conditions for lsr
320      - set minimum of zeta to zero (and not 4e8) (changes results)
321      - add a cap on AREA after advecting AREA if seaice_growth is not called
322    o change calculation of Visbeck K:
323      - no longer depend on tapering scheme; instead, compute slope (limited
324        by GM_maxSlope). this is equivalent to what was comuted before with
325        clipping or linear tappering.
326      - fix vertical averaging (wrong by 1/2 level)
327      - leave the old version (but will not be maintained) within
328        #ifdef OLD_VISBECK_CALC / #endif
329      - update output of exp. ideal_2D_oce
330    o change error catch in calc_r_star to improve vectorization
331    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
332      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
333    o adjoint:
334      Re-organized adjoint checkpointing according to Matt Mazloff
335      (but with modifs/completions/cleanups)
336      Storing is now bundled into large arrays to optimized I/O
337      (and second step in cleanup of the_main_loop)
338    
339    checkpoint59b
340    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
341      - export/import (between ocean & coupler) fields needed for ocean DIC.
342    o pkg/seaice:
343      - get rid of three more exchanges seaice_calc_viscosities (required
344        different loop boundaries in seaice_lsr and seaice_ocean_stress)
345      - bug fix in seaice_ocean_stress (update of lab_sea required)
346      - reduce loop boundaries to necessary minimum also in seaice_evp
347      - go back to the old way of computing deltaC/Z as the adjoint likes that
348        better
349    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
350      passive tracer to an Age Tracer) + update output.txt
351    o pkg/exf:
352      - implement A-grid / C-grid selection for wind-stress input files.
353      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
354      for now, in exf_bulk_largeyeager04.F only :
355      - change implementation for case where windspeed + 2. components wind-stress
356        are read-in. AND use rhoConstFresh to convert evap.
357    o pkg/seaice:
358      - use correct EXCH_UV for wind-forcing (on A-grid).
359      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
360        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
361    o pkg/exf:
362      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
363      EXF_INTERPOLATION:
364      - merge global_with_exf/code version of exf_interp_read.F
365        to the main code ;
366      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
367        reading the file ; Important: This options needs to be defined to recover
368        previous code.
369        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
370      - no longer loose real*8 precision along the way when using exf_iprec=64.
371    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
372      - change discretisation of evp-solver in order to avoid another exchange
373        (changes lab_sea) and clean up a little
374      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
375        help the adjoint (this also changes the results slightly)
376      - add a few "_d 0" where they had been missing in seaice_evp.F
377      - cleaning up: remove unused seaice_calc_rhs.F
378    o pkg/exf: some cleaning-up:
379      - change various "constants" into runtime parameters
380      - cleaned-up Large&Yeager04 routine which should eventually
381        replace exf_bulkformulae.F (changed names of S/R and CPP)
382        and merged various ALLOW_ATM_WIND options
383     only used with thsice pkg (in thsice_get_exf.F):
384      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
385        which are used when useStabilityFct_overIce=TRUE (= the default)
386      - change default values of ice & snow emissivity and scale downward LW
387        by ice & snow emissivity.
388    o pkg/thsice:
389     fix few little problems, in thsice_calc_thickn.F:
390      - growth vertically (and not laterally) if iceFrac == iceMaskMax
391      - melt only laterally if hIce < hThinIce (as the comments say)
392      and in thsice_extend.F:
393      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
394      - start to form ice as soon as the minimum ice-volume is reachable.
395     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
396      and cpl_aim+ocn
397    o pkg/kpp
398     - move computation of surface related input fields to KPP into a new
399       subroutine kpp_forcing_surf.F
400     - remove wrong (within bi,bj loops) EXCH calls.
401     - little cleaning (add argument myThid in last position, cvs header ...)
402     - for now, fix conservation problem by exchanging KPPviscAz (may not
403       be the best fix)
404    o pkg/seaice
405     - check for inconsistent evp parameter/cpp-flag combination
406     - remove leftover errIO flat for obsolete name list error handling
407    o OpenAD
408     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
409    
410    checkpoint59a
411    o pkg/seaice: some parameter clarifications and a little bit of clean up
412    o pkg/thsice: rename run-time parameters:
413       himin       -> hIceMin
414       himin0      -> hThinIce
415       hihig       -> hThickIce
416       i0          -> i0swFrac
417       transCoef   -> bMeltCoef
418       frac_energy -> fracMelting
419      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
420       with default values (for now) that do not change the results.
421      remove old version of thsice vars advection in pkg/seaice.
422    o in FFIELDS.h:
423      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
424      - make pLoad & sIceLoad always available (but still only used if
425         ATMOSPHERIC_LOADING is #define).
426    o pkg/kpp: replaced _KPP_RL with _RL
427    o bug fixes for vertical diffusivity computations when both KPP and
428        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
429        are no longer updating the vertical diffusivity array
430        (passed as argument) but are (re-) setting those arrays.
431    o pkg/seaice: fix bug in evp solver, while doing that
432      - change (improve?) discretization of stress computations for both
433        cgrid-lsr and evp solver
434      - add a new routine to compute strain rates
435      - the above changes lab_sea results
436      - add no slip conditions for evp solver (off by default), lsr-version
437        may follow
438      - fix exchange for shear at Z-points (does not change lab_sea)
439      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
440        (to force the user to pick a time step since there is not "safe" way
441        of choosing it)
442      - add principal stress diagnostics
443      - rearrange fields for evp a little to avoid having to call a: too many
444        exchanges and b: exchanges for stress trensor components which we do
445        not have.
446      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
447        of evp, complete rewrite for lsr case (latter is does not yet work
448        in all cases)
449    o pkg/kpp: add code to have mixing in shelf ice caverns
450      - add myThid to all kpp routines (long overdue)
451    
452    checkpoint59
453    o pkg/exf:
454      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
455        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
456      - move exf header files from lower_case.h to UPPER_CASE.h ;
457        add missing cvs Header & Name
458      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
459      - add namelist param. selectStressGridPosition, exf_monFreq
460      - retire many _CLIM routines, and remove data.exf_clim
461        + params moved to data.exf
462        + climsst, climsss now handled by exf_set_gen, i.e.
463          climss?period=0 refers to constant field,
464          climss?period=-12 to monthly forcing
465      - split up namelists in data.exf
466    o pkg/seaice:
467      - remove seaice_exch and seaice_exch_uv
468      - remove superfluous exchange of theta
469      - add myThid to seaice_budget_ocean/ice
470      - add new interface for atmospheric wind forcing (C-grid only)
471        + new routine
472        + two new field (taux, tauy for stress over ice)
473        + removed one global field (DAIRN) for C-grid case only
474    o pkg/thsise
475      - 2nd set of modifs for thsice adjoint in conjunction with exf
476    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
477    
478    checkpoint58y_post
479    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
480      vertical diffusivity, similar to that in MOM4; turned on using
481      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
482      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
483    o Added capability for 3D specification of background vertical diffusion
484      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
485      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
486      "data" file that contains the 3D vertical diffusivity coefficients.
487    o ice dynamics (pkg/seaice) with thsice thermodynamics:
488      - add code within pkg thsice to advect & diffuse sea-ice fields
489      similar to (and will replace) what has been added in  seaice_advdiff.F,
490      but: - conserving Mass, Heat & Salt.
491           - better when using non-linear advection scheme (not yet fully tested)
492           - can also be used in atmospheric set-up (for now, only the diffusion).
493    
494    checkpoint58x_post
495    o IO option for global-file compact format:
496      - add options when generating topology (utils/exch2/matlab-topology-generator)
497      - add I/O capability (pkg/mdsio).
498      - adapt utils/matlab/rdmds.m to read this format.
499      for now long-line format not yet supported by pkg/mdsio (& exch2).
500    o shelfice: add a few diagnostics
501    
502    checkpoint58w_post
503    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
504      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
505      (and replace horiVertRatio in NH code).
506      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
507                         and tutorial_plume_on_slope (sensitive to truncation)
508    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
509      directly to drive seaice model (C-grid only)
510    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
511     - reintroduce computation of wind from stress,
512     - compute tau (in exf_bulkformulae.F) from windstress averaged to
513       mass points to avoid tau = 0
514     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
515    o rdmnc.m: make it work with "global" files created with gluemnc
516    o rdmnc.m : some improvements in dealing with singleton dimension
517      (tested on all testreport mnc output files).
518    o genmake2: disable pkg/profiles if netcdf test fails.
519    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
520    o move call to cal_readparms up to make calendar parameters/variable available
521      to all packages
522    
523    checkpoint58v_post
524    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
525      useDynP_inEos_Zc tested.
526    o pkg/exf: changes to properly interpolate/mask/scale initial fields
527    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
528      and portions thereof.  See read_cs.txt for description and examples.
529    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
530      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
531      following the great-circle arc between those 2 points.
532    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
533      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
534    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
535     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
536     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
537     - still needs work (not working with some options ; efficiency to improve)
538       and serious testing.
539     - use this scheme for temperature & salinity in 2 advection test exp.:
540       advect_xy & advect_xz, respectively.
541    
542    checkpoint58u_post
543    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
544    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
545    o testreport: add option "-skipdir" to skip some test.
546    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
547      momentum calculation.
548    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
549    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
550      remove checkpoint.F and the_correction_step.F (no longer used);
551      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
552    o add option (linFSConserveTr) to correct for tracer source/sink due to
553      Linear Free surface
554    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
555    o pkg/thsice: fix reading mnc-pickups
556    
557    checkpoint58t_post
558    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
559    o pkg/mdsio:
560     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
561       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
562       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
563     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
564     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
565       either MDS_READ_FIELD or MDS_WRITE_FIELD )
566     - new S/R (to replace MDSWRITEMETA), which allows to write more
567       informations (variable names, time ...) to meta files.
568     - modify rdmds.m to give back the meta file content.
569    o pkg/diagnostics: change vertical interpolation to be safer, and more
570       flexible (define p-levels to interpolate to in data.diagnostics);
571      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
572       diagnostic pointer.
573    o pkg/seaice: more cleaning up of seaice_growth, added many comments
574    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
575    o fix multi-category seaice:
576     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
577       SEAICE_MULTICATEGORY
578     - fix short wave heat flux
579    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
580       and allow to use EVP solver. Change forward lab_sea: test both EVP
581       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
582    o Initial check-in of lab_sea adjoint
583      (very similar to natl_box_adjoint/code_seaice)
584      * used C-grid and EVP solver
585      * used KPP, GM/Redi
586      * uses inAdExact=.TRUE.
587      * gradient checks fail for both ADM and TLM
588        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
589        f.d. gradients actually seem more problematic than ADM, TLM gradients;
590        issue is related to forward mismatch between g77 an ifort
591    o pkg/seaice: overhaul of thermodynamics
592     - growth.F and groatb.F are replaced by new routine seaice_growth.F
593     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
594     - move a few global fields out of SEAICE.h into seaice_growth.F and
595       make them 2D (FICE/QNETO/ ...)
596     - remove FO (it is the same as QNETO)
597     - introduce a few local fields to avoid modifying external fields such
598       as atemp, etc.
599    
600    checkpoint58s_post
601    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
602      changed exf_set_gen.F so that
603        genperiod=0 means input file is one time-constant field and
604        genperiod=-12 means input file contains 12 monthly means
605    o CG2D: use pre-computed solver main-diagonal (stored in common block);
606      this affects truncation error ; generate new output file for exp. which
607      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
608        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
609        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
610        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
611        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
612        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
613    o start implementation of deep-atmosphere and anelastic formulation
614    o verification: remove 2nd copy of input files and use script "prepare_run"
615      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
616    o mom_common/vecinv/fluxform: fix a few initialisation isssues
617    o profiles: fix for multithreaded case
618    
619    o diagnostics: rename few diags:
620      s/'PRESSURE'/'RCENTER '/g
621      s/'TICE    '/'oceFreez'/g
622      s/'TAUX    '/'oceTAUX '/g
623      s/'TAUY    '/'oceTAUY '/g
624      s/'SWFLUX  '/'oceQsw  '/g
625      s/DIFx/DFxE/g
626      s/DIFy/DFyE/g
627      and add few ocean-forcing diagnostics:
628      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
629    o modifications to pkg/seaice/growth.F and budget.F, which change results of
630      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
631      as actual snow thickness.  It now refers everywhere to effective snow
632      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
633    
634    checkpoint58r_post
635    o modifications to pkg/seaice/growth.F, which change results of
636      lab_sea experiment: fixes pertain to melting snow over open water, to
637      masking EVAP under sea ice, and to using the correct AREA variable for
638      computations of EVAP, PRECIP, HSNOW, and GHEFF
639    o add ability to read bathy, salt, and theta using MNC (off by def)
640    o add flooding algorithm and advection of HSNOW for pkg/seaice;
641      both are turned off by default and do no change any results
642    o seaice advection with pkg/thsice: a step toward the use of non-linear
643      advection scheme, but #ifdef or commented out for now (requires more EXCH).
644    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
645      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
646      in natl_box (affects results @ truncation level: update output.txt)
647    o multi-threading and IO:
648      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
649      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
650        (needed to work with SingleCpuIO): tested in all verif. exp.
651    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
652      affects the results (but none of the verification test uses this scheme).
653    o Adding some pkg/diagnostics capability to pkg/seaice
654      (will certainly be subject to changes)
655    o ctrl: adding new control variables:
656      lwflux, lwdown, evap, snowprecip, apressure, runoff
657    
658    checkpoint58q_post
659    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
660      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
661      high_res_cube configuration by 4% on Columbia.
662    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
663      add (in global_with_exf/code) a version of EXF_INTERP_READ without
664      dynamical allocation (seems to work in multi-threaded).
665    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
666      single CPU io) so that TAF does not have to see EESUPPORT.h
667    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
668    
669    checkpoint58p_post
670    o obcs: stop if obcs is used with useCDscheme = .true.
671    o shelfice:
672     - fix a sign error so that no slip at shelfice interface works
673     - remove stop for combination non-hydrostatic code and shelfice. That does
674       not mean, that the results are correct, but at least they are numerically
675       stable
676    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
677    o added adjoint exch routined for all exch*3d* routines
678      and updated flow directives
679    
680    checkpoint58o_post
681    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
682      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
683    o change controling S/R for writing pickup file (new S/R do_write_pickup)
684      and clean-up reading/writing of pickup files.
685    o fix local version of read/write pickup (NH part) in rotating_tank/code
686    o simplify EXCH interface:
687     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
688     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
689    o added the regrid package
690    o shelfice:
691     - add a simple boundary layer scheme to reduce noise
692     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
693    
694    checkpoint58n_post
695    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
696       local variable (not in common block).
697    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
698      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
699      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
700        to work with SingleCpuIO.
701    o add "_d 0" to real constant of pkg/cfc subroutines ;
702       update exp. cfc_exemple & tutorial_cfc_offline output files.
703    o multi-threading and IO:
704      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
705        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
706      - barrier before and after reading.
707      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
708      - avoid using MDS_WRITELOCAL for LAND pkg output.
709      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
710        common-block variables ; Allows multi-threading with master-thread IO.
711    o change default MAX_NO_THREADS from 32 to 4 ;
712      and stop cleanly when MAX_NO_THREADS is too small.
713    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
714    
715    checkpoint58m_post
716    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
717       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
718    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
719       keep global_ocean.90x40x15 (for AD testing) with former secondary test
720       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
721    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
722        add MITgcm_tutorials (= code + all the tutorials)
723    o ecco, option to compute cost for total ssh (mean+anom)
724    o consistent with addition of ptracer and ssh in pkg/profiles
725    o profiles: adding ptracer and ssh
726    o testreport: change multi-test output-file name
727      (from output.txt.{name} to output.{name}.txt)
728    o profiles: now ok for mutli-tiles case
729    o seaice: add 4 parameters for different advection schemes for area,
730      (effective) seaice thickness, enthalphy, and snow height. Their default
731      is the standard parameter SEAICEadvScheme
732    o calc_gw:
733     - add cosFacU in zonal viscous flux (harmonic.visc.).
734     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
735       of tutorial_plume_on_slope.
736    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
737    o calc_gw: true flux-form, account for horizontal grid spacing.
738      update rotating_tank results, but not plume_on_slope (affected at
739      truncation level, 11 digits).
740    
741    checkpoint58l_post
742    o calc_gw:
743     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
744     - remove side-drag for now (need to fix it); update plume_on_slope results.
745     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
746    o commit code to make SST/SSS weights spatially variable
747      (based on either variable in-situ or variable initial T/S weights)
748    o pkg/ecco:
749      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
750        now based on horizontally varying weights wthetaLev, wsaltLev
751      * cost_averagesflags now returns year indices in addition to day, month
752      * sflux balance is performed on annual basis
753        (sflxumm, sfluxmm2, bal_sfluxmm)
754      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
755        including separate counting and multipliers
756    o pkg/rbcs
757      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
758    
759    checkpoint58k_post
760    o testreport:
761     - always build in dir. "build" (if not there, mkdir build instead of building
762       & running in input)
763     - run in dir run (if it exists), in build otherwise.
764     - call prepare_run (if input/prepare_run exists)
765     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
766    o pkg/exf modifications to interpolation and rotation routines for more
767       reasonable treatment of North Pole singularity: for tracers North Pole
768       value is set to northernmost zonal-mean value, for zonal velocity it is
769       set to zero, and for meridional velocity it is set to northernmost value.
770    o pkg/exf/exf_check_range.F
771     - add tile index to diagnostics and move stop statement to the very
772       end of the routine.
773    o pkg/diagnostics: (diagnostics_main_init.F)
774      define title of isomorphic variables according to the current config.
775    o pkg/thsice with pkg/seaice dynamics:
776    - fix domain of computation (interior only, required for exf) and do exchanges
777    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
778    o towards a standard way of dealing with multi-threading in MONITOR
779      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
780    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
781       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
782    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
783    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
784    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
785       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
786    o tracer advection:
787     - clean-up and simplify calc_common_factors.F
788     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
789       advection subroutine (but still not used within DST advection S/R)
790    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
791    
792    checkpoint58j_post
793    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
794      from file (collects calls previously in FORWARD_STEP)
795    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
796    o adjoint store dir. adjusted accordingly
797    o genmake2
798      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
799    
800    checkpoint58i_post
801    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
802      on wind stress (SEAICEstressFactor defaults to 1.)
803    o Total number of Timers is finite (<=40): comment out 2 non-essential one
804      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
805    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
806      on CS-grid: no longer loosing mass.
807    o exf & curvilinear-grid: no longer modify longitude xC & xG.
808    o pkg/ggl90: fix sloppy output and fix a bug
809    o pkg/seaice: added SEAICEuseEVPpickup parameter
810      - Set to false in order to start EVP solver with
811        non-EVP pickup files when using SEAICEuseEVP
812      - fix sign error in diffusion in seaice_calc_rhs
813    
814    checkpoint58h_post
815    * Modifications for bottom topography control
816      o replace hFacC by _hFacC at various places
817      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
818      o add non-self-adjoint cg2d_nsa
819      o update autodiff support routines
820      o re-initialise hfac after ctrl_depth_ini
821      o works for 5x5 box, doesnt work for global_ocean.90x40x15
822    * Adding verification for 5x5 box (4-layer) bottom topography control
823    
824    checkpoint58g_post
825    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
826       used for mean seasonal cycle, mean diurnal cycle); add an example
827       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
828    o pkg/ggl90:
829      - add parameter (minimum surface kinetic energy)
830      - fix bug (avoiding division by zero)
831    o couple pkg/thsice to pkg/seaice:
832      - modify advection in seaice to accomodate new scalar fields to be advected
833      - only muliDimAdection scheme work with seaice/thsice
834      - mapping of thsice-variables to seaice-variables, back and forth
835      - does not break the verification experiments, but does not give the
836        desired results either
837    o pkg/seaice
838      - make (default) second order advection a bit less confusing?
839    
840    checkpoint58f_post
841    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
842      to pkg/seaice):
843      - new routines thsice_map_exf and thsice_get_exf provide the interface
844      - add an additional formal parameter to thsice_solve4temp
845    o pkg/exf:
846      - add new fields wspeed, snowprecip (to be able to couple to thsice)
847      - correct Stefan-Boltzmann constant
848      - new parameter for longwave surface emittance
849      - separate some stuff from exf_bulkformulae into new routines  
850        exf_radiation, exf_wind
851      - add new parameters and constants: longwave emissivity for ocean, ice
852        and snow, evaporation parameters over ice
853      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
854        either wind from stress or stress from wind
855    o pkg/thSIce:
856    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
857    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
858       and THSICE_CALC_THICKN
859    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
860    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
861      to make debugging easier.
862    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
863    o pkg/bulk_force:
864      - clean-up comments and parameters ;
865      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
866    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
867      generate new output for test-experiment: aim.5l_cs.thSI
868    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
869      testreport accordingly
870    
871    checkpoint58e_post
872    o SEAICE_CGRID adjoint done
873    o R_STAR adjoint implemented.
874      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
875      * need to sort out init. of h0facc, etc.
876    o Make pkg/profile fully independent of ecco,cost, etc. stuff
877      to be able to use it in pure forward.
878    
879    checkpoint58d_post
880    o upgrade simple test-experiment to tutorial example:
881     step.1: duplicate the experiment and (step.2) will remove the old copy.
882      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
883      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
884      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
885      tutorial_global_oce_biogeo    <- copy of dic_example
886      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
887      tutorial_plume_on_slope       <- copy of plume_on_slope
888      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
889      tutorial_global_oce_optim     <- empty for now (David ?)
890      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
891     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
892    o correct a sign problem in cost_scat.F
893    o obcs and ptracers: fix boundary conditions for advections schemes
894      with larger stencil
895    o thsice adjoint: start
896    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
897      completeness
898    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
899      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
900    o ptracers adjoint:
901      * avoid extensive recomputatations
902      * fix missing re-init. of gptr (missed by TAF)
903    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
904      me to turn off the excessive output to STDOUT that this package produces
905    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
906      and add those terms in Vector-Invariant formulation.
907    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
908      if the control period (xx_hfluxperiod etc) is 0
909    o in profiles pkg, clean routines and fix details
910    o in ecco pkg, reading ssh data:
911      fix problem in case the model does not start at iter0=0
912    o fix mnc-pickup/restart for ptracers
913    o new package prifiles:
914      code to compute profile-based cost by Gael Forget
915      (modifs in ecco, ctrl, autodiff)
916    o Benign bug fix in initialization (spotted by M. Mazloff) of
917      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
918    
919    checkpoint58c_post
920    o adjoint: finish NLFS adjoint and provide reference output in
921      verification/global_ocean.90x40x15/results_ad_nlfs
922    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
923      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
924      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
925      with SEAICE_CGRID defined.
926    o move calendarDumps from "data" to "data.cal" and clean-up the code
927      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
928    o add useEXF & useCAL flags (for now, set in hard-coded way)
929    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
930      (were missing in NH mode, and wrong in quasihydrostatic mode).
931      waiting for Chris updated version of calc_gw to add those CALLs.
932    o fix bug in quasihydrostatic S/R ;
933      add a test for this option: global_ocean.90x40x15.qshyd
934    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
935      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
936    o add on/off flag useOffLine for package OFFLINE
937    o seaice:
938      - modify advection so that it works also on the C-grid
939      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
940        problem in multi-tile runs with C-grid
941      - add flags for clipping ice velocities and/or masking solver forcing
942      - fix drag (ocean on ice) formulation and a bug that caused noise in the
943        C-grid solver
944      - added a few comments to seaice_diffusion.F
945      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
946        are now exclusive)
947      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
948        required re-ordering the code a little:
949       + make DAIRN global variable (defined in SEAICE)
950       + move computation of the viscosities eta and zeta into a new separate
951         routine (because I need to recompute them in seaice_ocean_stress.F)
952    
953    checkpoint58b_post
954    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
955      update output.txt of exp. aim.5l_cs.thSI
956    o various mnc cleanups and improvements:
957      + shrink lookup tables by factor of ~4
958      + better error reporting when running out of lookup space
959      + able to handle longer path/file names (up to 500 chars)
960    o adjoint:
961      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
962      - TBD: "hidden" mom_vecinv recomp. in dynamics
963    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
964     (allow to differentiate between forcing components using new integer flags:
965      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
966     and add new flag to put Dissipation tendency out of Adams-Bashforth.
967    o ecco
968      - enable trend removal from SSH anomaly obs.
969    o adjoint
970      - a fix for PmEpR when #undef EXACT_CONSERV
971      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
972      - try to fix "hidden" recomp. in forward_step for NLFS
973        (NLFS seems broken sometimes after I checked it in)
974    o seaice:
975     - add c-grid version of the dynamic solver:
976       + three new routines that are the c-grid substitute lsr, dynsolver
977         and ostres
978       + put a few fields that were local to dynsolver into global common
979         blocks, so that I can move the computation of stresses etc into
980         seaice_lsr (saves coding but may break the adjoint).
981     - replace more hardwired parameters by runtime parameters
982     - add ice masks that mask the rhs of the implicit solvers where there
983       is no ice (commented out in seaice_dynsolver, because i am not sure
984       if this works properly), eventually this should replace the clipping
985       of ice velocities in seaice_dynsolver to +/-40cm/s.
986    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
987      include it only where its needed
988    o move balancing of fluxes before the call of external_forcing_surf
989    o seaice:
990      - correct units of turning angles (now they are really in degrees)
991      - move computation of GWATX/Y out of main routine into dynsolver
992      - initialize GWATX/Y in seaice_init
993    o Apply mask on Fresh-Water flux (needed for SSH forcing).
994      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
995    o seaice: add runtime flags for turning angles (default to zero)
996    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
997      and trend from exf forcing and ctrl control adjustments
998    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
999      (since checkpoint57x_post)
1000    o change the default rotation period to 86164.s = the Earth rotation
1001    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
1002      and based on a reference stratification. Tested within hs94.cs-32x32x5.
1003    o seaice advection: add code for choosing between the default (2nd order
1004      central differences) and multiDim advection schemes provided by
1005      pkg/generic_advdiff
1006    o seaice:
1007      - removed all references to SEAICE_GRID.h fields from
1008        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
1009        (cubed-sphere configuration will change a little)
1010      - grid computations in seaice_init are obsolete now.
1011      - cleaned up code a little so that is easier to read (hopefully).
1012      - added new (better?) discretizations of default advection and diffusion
1013        (turn on with SEAICEuseFluxForm)
1014      - replace 1 in 3d global fields by kSurface in growth.F
1015      
1016    checkpoint58a_post
1017    o seaice:
1018      - bug fix in advect.F
1019    o shelfice:
1020      - separate shelfice load anomaly from pload (breaks with time
1021        dependent forcing), => introduce constant field shelficeLoadAnomaly.
1022        Its default is 0., but it may be computed more cleverly from (unknown)
1023        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
1024        done offline. A good approximation of the pressure load anomaly is
1025        necessary to avoid large initial adjustment processes underneath
1026        deep-reaching shelfice.
1027      - small fix in ISOMIP shelfice_thermodynamics
1028      - add more sophisticated thermodynamics of Hellmer (1989), this is
1029        now the default
1030      - give a few constants more intuitive names
1031    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
1032      if bulk formulae are used in long integration (especially EmPmR). Turn
1033      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
1034      if balancePrintMean, the imbalance that is substracted is printed to
1035      STDOUT.
1036    o fix bug (typo) in obcs_apply_eta.F
1037    o add a new package shelfice which enables us to model the circulation
1038      underneath shelf-ice with draughts of hundreds of meters.
1039     - works
1040     - to do: + include improved thermodynamics
1041              + check whether kSurfC (from model/inc/SURFACE.h) can be used
1042                instead of new field kTopC
1043              + can we use topoFile, Ro_surf and existing code in ini_depth.F
1044                instead of new field R_shelfIce and new code in ini_depth.F
1045                and ini_mask_etc.F?
1046              + adjust vertical mixing schemes?
1047    o seaice pkg:
1048     - add a cpp-flag to include a simple formula for a salinity dependent
1049       freezing point of sea water at the surface
1050     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
1051       meridional stresses are now different (and hopefully correct)
1052    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
1053       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
1054       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
1055    o pkg/diagnostics: add options and parameters for regional-statistics
1056       diagnostics ; define regions by reading a region-mask from a file
1057       (might add other options later)
1058    o pkg/bulk_force:
1059     - add option and parameters to use AIM surface-flux formulae.
1060     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
1061       others forcing fields (defined in PARM05, parameter file "data") are loaded
1062       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
1063     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
1064     - use the right EXCH call for uwind,vwind (to work on CS-grid).
1065     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
1066       and parameters (note: calcWindStress replaces .NOT.readwindstress).
1067     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
1068    
1069    checkpoint58
1070    o add "--embed-source" option to genmake2 which, when the supporting
1071      tools can be compiled (as determined by genmake2) will turn on the
1072      embed_files package which then embeds the entire MITgcm source code
1073      (*.[fFhc] + Makefile) used for the build within the executable
1074      - requested by CNH but off by default
1075      - adds a paltry <9MB to the mitgcmuv executable in most cases
1076      - only writes the output when useEMBEDSRC in eedata is true
1077    o clean up 3-dim. relaxation codes:
1078      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
1079      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
1080      * Thanks to Tom Haine for testing!
1081    
1082    checkpoint57z_post
1083    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
1084      affects output (@ truncation level) of exp. plume_on_slope ; updated.
1085    o fix the pickup behavior for obcs in combination with ptracers
1086    o fix a bug in ptracers_external_fields_load
1087    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1088      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1089    o transfered surface NH pressure to eta field (if exactConserv).
1090    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1091         and update lab_sea output.txt file.
1092    o completing 3-dim. relaxation code: additional term
1093         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1094      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1095      * At compile time, in "EXF_OPTIONS.h" set
1096          #define  ALLOW_CLIMTEMP_RELAXATION
1097          #define  ALLOW_CLIMSALT_RELAXATION
1098      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1099          tauThetaClimRelax3Dim = 15552000.0,
1100          tauSaltClimRelax3Dim  = 15552000.0,
1101      * 3 cases:
1102          1) Use a constant-in-time 3-dim. field
1103          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1104          3) Real-time relax. to time-evolving prescribed field
1105    o Adding Laplacian-type smoothness constraint on
1106      initial and boundary (forcing) controls (ic, bc)
1107      * enable at compile-time via
1108        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1109      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1110      * Absolute scale somewhat unclear so far
1111      * no area weighting was included since no other cost term does so far
1112    
1113    checkpoint57y_post
1114    First step for a NLFS adjoint
1115    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1116    o new init. routines for calc_r_star, calc_surf_dr
1117    o still need to deal with ini_masks_etc
1118    o testreport seemed happy
1119    checkpoint57y_pre
1120    
1121    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1122    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1123    o add new offset feature to offline pkg (plus minor cleanup)
1124    o cfc fixes for final year of integration
1125    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1126      be in GCHEM_OPTIONS).
1127    
1128    checkpoint57x_post
1129    o fix testreport Pb in multiple test experiment.
1130    o cleanup our namelist syntax in verification:
1131      - make it more F95 standards compliant (some work still needed)
1132      - allows the vast majority of our tests to work with gfortran
1133    o Non-Hydrostatic:
1134     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1135     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1136    o Allow to apply AB on T,S rather than on AB(gT,gS):
1137     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1138     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1139       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1140     - need a "clever" read_pickup to restart from the other AB formulation
1141    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1142    o remove some unused variables (reduces number of compiler warnings)
1143    o adjoint
1144      * Disable useVariableViscosity for adjoint for time being
1145        (there are a number of extensive recomputations)
1146      * Initialize certain variables needed for adjoint
1147    
1148    checkpoint57w_post
1149    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1150                 fix the singleCpuIO RS version of MDSWRITEFIELD
1151       and add a WARNING if using globalFiles=T with multi-processors.
1152    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1153      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1154    o tracer advection scheme:
1155      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1156       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1157       was not very convenient).
1158      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1159       (further tests needed for the implicit DST & Flux-Limiter schemes).
1160    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1161      and sRef for convenience, handy, when you want to initialize
1162      ptracers in a large domain with a constant non-zero value. Also,
1163      untangle ptracers_init.F a little.
1164    
1165    checkpoint57v_post
1166    o change dome exp. to use variable viscosity in side-drag terms.
1167    o remove all the files from the cfc_offline test since they are now
1168      incorporated into tutorial_cfc_offline which has been producing
1169      identical results for a few days of testing
1170    o add new parameter: sideDragFactor to enable half-slip-side BC
1171      and change side-drag S/R to use viscosity from mom_calc_visc
1172      (can switch back by setting sideDragFactor=0.); affects results at
1173      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1174       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1175    o vorticity & strain are now computed without masking, to account for
1176      no-slip-side BC in variable viscosity calculation ; mask is applied
1177      anyway later on, before computing advection/coriolis terms.
1178    o modify exp4 to test new obcs support for reading from external files
1179      and for passive tracers
1180    o fix behavior of ptracers_monitor when monitor output is written to a
1181      netcdf-file; still not independent of monitor.F (writes in the same
1182      file).
1183    o change default value of tRef (put a uniform, meaningful value for ocean
1184      & atmos) and initialize sRef (was missing, as Martin mentioned).
1185    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1186      to be proportional to enstrophy dissipation length.  Thus,
1187       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1188      This is now consistent with Smagorinsky and with the manual.
1189    
1190    checkpoint57u_post
1191    o OBCS and PTRACERS: add open boundary support for passive tracers
1192      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1193        OB-values from file; this is not different from the way theta and salinity
1194        are treated
1195      - however, Orlanski-radiation conditions are not supported, and the model
1196        will stop if you use pTracers and Orlanski at the same time.
1197      - beefed up the rountine obcs_external_fields_load: now only those open
1198        boundary values are overwritten with values from files for which there
1199        are really files, otherwise the OB-fields remain untouched. This makes
1200        it possible to use different OBs at different ends of the domain (as
1201        with EXF)
1202    o reduce number of exch calls in shap_filt (s2).
1203    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1204      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1205    
1206    checkpoint57t_post
1207    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1208    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1209      same truncation, independent of the face number: affects affects several
1210      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1211    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1212      note that biharmonic viscosity + no-slip was not tested in any experiment.
1213    o fix bug in non-linear free-surf side-drag ; generate new output for
1214      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1215    o make mnc honor the writeBinaryPrec flag for most kinds of output
1216    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1217    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1218      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1219    o add brackets in multi-terms sum to get same truncation, independent of
1220      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1221      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1222    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1223      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1224      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1225      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1226      Suggested values of viscosity parameters found in mom_calc_visc.
1227      Many new viscosity diagnostics available.
1228    
1229    checkpoint57s_post
1230    o Add clearing-house for viscosity calculations, mom_calc_visc and
1231      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1232      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1233      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1234      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1235      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1236      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1237      ViscAhStrain and viscAhTension are now retired.
1238    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1239    o In response to JMC's bug report, genmake2 now ignores any soft-links
1240      that it finds in the *current* directory when searching for files.
1241      Soft-links found in any other source directories will still work as
1242      they did before.
1243    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1244      a C routine to unlimit the stack size
1245    o mnc-ify pkg/aim snapshot vars
1246    o mnc-ify pkg/land as requested by Daniel
1247    o various changes to mnc including:
1248      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1249      - output can now be grouped so that all files within a group
1250          change the ITER portion of their names in lock-step together
1251      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1252          and works with both EXCH1 and EXCH2 (but needs more testing)
1253      - writing works for all verification test cases w/ g77 on Linux
1254    
1255    checkpoint57r_post
1256    o make MNC variable initialization happen earlier
1257    o add diagnostics for (almost) each term of the momentum Eq.
1258    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1259    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1260    o remove MINIMAL_TAVE_OUTPUT option ;
1261      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1262    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1263      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1264    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1265    o add time-dependent SST, SSS control
1266    o cost terms in ecco/ modularized (new cost_generic.F)
1267    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1268    o new infrastructure for seaice model vs. obs misfits in seaice/
1269      * driver from the_main_loop.F is seaice_cost_driver.F
1270      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1271      * gradient check in Exp. 6a of natl_box_adjoint/
1272    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1273      (see README file)
1274    
1275    checkpoint57q_post
1276    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1277    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1278      - bug was reported by Jean-Michel and Ian Fenty
1279    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1280      update exp. cpl_aim+ocn output.
1281    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1282      Needed for high-res. runs with large global files
1283      to be able to limit tapelev size
1284    o Changed some tests for adjoint:
1285      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1286      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1287      * global_ocean.90x40x15/ back to default 3-level checkpointing
1288    o Modifications to enable scripted COMMON to MODULE conversion
1289      * verification/OpenAD/code/ has necessary scripts and description;
1290      * converts, compiles and runs successfully;
1291    
1292    checkpoint57p_post
1293    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1294    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1295      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1296    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1297    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1298      (was already the case for dissipation with mom_vecinv,
1299       and also the case for grad.PhiHyd when staggered-timeStep)
1300      This will allow to put dissipation out-off the AB time-stepping.
1301     Unfortunately, affects truncation error. Update output of exp. that "fails"
1302      (cg2d matching number) and leave the others for later: front_relax(10),
1303      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1304      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1305    
1306    checkpoint57o_post
1307    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1308      (2) its ready to be documented during the 20050801 DocFest
1309    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1310      for ideal_2D_oce and lab_sea on linux_ia32_g77
1311    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1312      in global1x1_tot/code_seaice_adj to access indices 32, 33
1313      (worth another tag)
1314    
1315    checkpoint57n_post
1316    o adding precip control xx_precip 32
1317    o adding swflux control xx_swflux 33
1318    o Replacing 10 forcing penalty cost routines by 1 generic.
1319    o Implementing partitioning in time-mean and variable adjustment
1320      for atmos. state.
1321    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1322    o in natl_box_adjoint:
1323      * updated exp 1 to 10
1324        (but does not have time-mean vs. variable split results yet)
1325    o updated global1x1/*_seaice_adj/
1326      to incorporate latest changes
1327    o enable useSingleCpuIO for mdsio vector routines
1328      (applies in particular to tapelev I/O)
1329    o removed inefficient K-loop in all active_file*control*.F
1330    
1331    checkpoint57m_post
1332    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
1333      and advect_cs (use EXCH-2 and standard cs-32 grid files).
1334    o pkg/exch2: filling of face-corner halo regions is optional
1335      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
1336    
1337    checkpoint57l_post
1338     tag before updating tutorials (pre-release-2)
1339    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
1340       for output and interpolation of input fields onto model grid)
1341    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
1342       Affects results of exp. rotating_tank ; update output.txt.
1343    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
1344          and taking the square quantity and/or using a fraction-weight field.
1345    o fix aim_diagnostics_init.F mate numbers.
1346    o add mnc output capability to diagnostics/diagstat and update
1347      our cvsignore files for the ACSII output generated
1348    
1349    checkpoint57k_post
1350    o lab_sea now uses diagnostics package and provides a suite of
1351      new EXF diagnostics output.
1352    
1353    checkpoint57j_post
1354    o exf
1355      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
1356        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
1357        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
1358      * extended diagnostics output
1359        - now includes all EXF variables
1360        - hs, hl moved to common block
1361        - separate S/R for diagnostics, called after ctrl vector is added
1362        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
1363        - EXFqnet contains true Qnet (i.e. includes qsw)
1364      * updated verif. lab_sea, global_with_exf
1365      * Rearranging hflux (exf_mapfields -> exf_getforcing)
1366        to ensure that diagnostics sees a true EXFqnet
1367    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
1368    o diagnostics pkg: change pointers so that 1 diagnostic can be used
1369      several times with different frequencies.
1370    o mnc-ify the thsice package as requested by Daniel Enderton
1371      - the monitor--MNC output needs work
1372      - many attributes need to be added (most are currently blank)
1373    o mnc-ify theaim_v23 package as requested by Daniel Enderton
1374      - many attributes need to be added (most are currently blank)
1375    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
1376    o add Sadourny like discretization to the 4th.O vorticity advection scheme
1377    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
1378      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
1379         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
1380    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
1381     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
1382    
1383    checkpoint57i_post
1384    o Diagnostics package was changed: diagnostic allocation is now deactivated
1385      by setting an empty file name in the namelist (used to be by setting 0 frequency)
1386    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
1387      add 1rst Order upwind vertical Shear.
1388    o add a quick fix for A/B checkpointing in OFFLINE mode
1389    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
1390      end-run around the C/Fortran linking horror in eesup/src/timers.F
1391    o added pkg/runclock: allows user to terminate run based on wall clock
1392    o added non-hydrostatic scaling parameter: nh_am2
1393    o pkg/my82: futile attempt to make results compiler-independent by adding
1394      some "_d 0", etc. no effect.
1395    o for mnc output, fill the 'T' coordinate var with myTime and create a
1396      separate 'iter' variable for iteration count
1397    o pkg/diagnostics:
1398      add new capability: output of Global/Regional & per-level statistics ;
1399      tested against monitor output (including land & thSIce) on various exp.
1400    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
1401    
1402    checkpoint57h_done
1403      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
1404      data.diagnostics, data.gchem, data.ptracers) is done.
1405    
1406    o pkg/diagnostics: prepare for Global/Regional statistics.
1407      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
1408    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
1409      and rename it: DIFFERENT_MULTIPLE
1410    
1411    checkpoint57h_post
1412    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
1413    o pkg/diagnostics: change output frequency, now in seconds (instead
1414      of Nb of iterations). This requires to change data.diagnostics.
1415    checkpoint57h_pre
1416    
1417    o in mnc, let the user create the output dir if both mnc_outdir_date
1418      and mnc_outdir_num are false
1419    o add fflags() to pkg/diagnostics which allows one to specify, on a
1420      per-file basis, the file precision [default behavior is unchanged]
1421    o added diagnostics to pkg/kpp, including computation of mixed layer
1422      depth based on a temperature/density criterion
1423    o updated verification/natl_box to test the new pkg/kpp diagnostics
1424    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
1425    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
1426    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
1427      not mnc -- this mistake was found by JMC and is now corrected
1428    
1429    checkpoint57g_post
1430    o add Adams-Bashforth 3rd Order time stepping:
1431      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
1432      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
1433    checkpoint57g_pre
1434    
1435    o make lambda[Theta,Salt]ClimRelax spatially varying
1436      (default remains spatially uniform constant based on tau)
1437    o added new control variables
1438      * init. uVel, vVel, etanN
1439      * lambda[Theta,Salt]ClimRelax
1440    o separate masks used for ctrl_pack/unpack 'from write_grid' output
1441      (suggested by G. Forget)
1442    
1443    checkpoint57f_post
1444    o add parameter "baseTime" = model base time = time at iteration zero
1445      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1446      account for baseTime shift
1447    o move Coriolis arrays from PARAMS.h to GRID.h
1448    checkpoint57f_pre
1449    
1450    o mnc-ifying the seaice package
1451    o introduced an alternative length scale calculation for use in the limiting
1452      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1453    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1454    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1455      as well as grad(vort3).  Made it compatible with both approximate form
1456      for the cubed sphere and full form of these gradients.  Added flag
1457      useFullLeith to select between approximate and full form.  
1458    o add "d0" in getcon.F to reduce differences between compilers/platforms
1459      update output.txt of exp. fizhi-gridalt-hs
1460    o change port_rand funtion to allow to set the seed.
1461    o fix obscure MNC bug involving conversion between reals and integers
1462      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1463        new version is now more standards-compliant
1464    o adjoint-related modifications
1465      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1466      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1467      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1468    
1469    checkpoint57e_post
1470    o Adding eddy stress controls a la Ferreira et al.
1471    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1472    
1473    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1474      update output.txt of exp. fizhi-gridalt-hs
1475    o add more "Z" dimensions and associated coordinate vars to MNC
1476    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1477    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1478      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1479      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1480      months and years.  Requires pkg/cal.
1481    o diagnostics: add pickup functionality
1482      - off by default for backwards compatibility
1483      - current version only uses MDSIO -- MNC will be added
1484    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1485    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1486    
1487    checkpoint57d_post
1488    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1489    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1490      output from the diagnostics package
1491    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1492    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1493      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1494    o add coordinate variables to the MNC output from the diagnostics package
1495    o change MNC-flags default value: true when useMNC=TRUE
1496    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1497      the ability (off by default) to read the grid information using MNC
1498    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1499    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1500    o do snap-shot diagnostics at the middle of the time-interval (instead of
1501      at the end).
1502    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1503      new test for AIM with thSIce + slab-ocean
1504    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1505    o move state variable diagnostics to the beginning of the time step ;
1506      (note: still needs some work specially for snap-shot diagnostics)
1507      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1508    
1509    checkpoint57c_post
1510    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1511    o generate new output.txt files on faulks with g77 & the new -ieee option
1512    checkpoint57c_pre
1513    
1514    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1515      update output.txt of exp. global_ocean.90x40x15
1516    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1517      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1518    o add saltFlux(+File) forcing capability with periodicExternalForcing
1519    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1520    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1521    o improvements for the MNC output from DIAGNOSTICS:
1522      - correct handling of the unlimitied dimension
1523      - all dims now have associated coordinate variables
1524      - variables located at U, V, and Corner ("Z") points are now written
1525        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1526        *all* data points are output
1527    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1528    o added pkg/seaice/seaice_monitor.F
1529    o mdsio_readfield.F can now read files visible only to master MPI process.
1530    o pkg/seaice: some test code for ice-modified ocean stress
1531    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1532      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1533      spurious negative numbers for precipitation and humidity.  Will cause
1534      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1535    o pkg/ctrl/
1536      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1537        May be enabled via doPackDiag
1538      *  introduce z-scaling of
1539         + gradient (doZscalePack) and
1540         + control (doZscaleUnpack)
1541    o pkg/mdsio/
1542      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1543      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1544    
1545    checkpoint57b_post
1546    o simplify options in diagnostics_fill arguments (remove weird combinations)
1547    o fix MNC coordinate variables so that they now contain per-face index
1548      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1549      general, EXCH2 grids are only aligned to a "local" coordinate system
1550    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1551    o Implement instantaneous output within pkg diagnostics:
1552      setting a negative frequency in data.diagnostics produces
1553     "snap-shot" output (as opposed to time-average if freq > 0)
1554    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1555      NOTE: change ptracer diagnostics name: use 2 characters to work with
1556            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1557    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1558      becomes the coordinate variable for the 'T' dimension
1559    o add CF-style coordinate variables to MNC
1560      - just a first cut:  numbers are meaningless on the cubesphere and
1561        missing along the T axis but otherwise it works!
1562    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1563    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1564    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1565      this is based directly on what the model compute, so that the content of
1566      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1567    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1568    o clean up build options files for SunOS, in particular
1569      - remove -traditional from xmakedepend
1570      - change -xarch=v9 to -xarch=native for f77
1571      - restore use of make (not gmake)
1572      - add CC=gcc if using g77
1573    o changes per discussion of AM, JMC, & EH3 today:
1574      - move redundant "grid" variables out of "state" -- in preparation of
1575        creating proper CF-style coordinate variables and in recognition
1576        that any/all grid variables can be easily copied (eg. w/NCO) from
1577        the grid files into any of the other NetCDF files
1578      - *always* output grid variables with MDSIO (this will eventually be
1579        changed)
1580      - output MNC grid file if useMNC is true
1581    o every instance of _END_MASTER() has been found and replaced with
1582      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1583      preprocessors
1584    o re-arrange diagnostics pkg initialisation:
1585     - allow each package to extend the available diagnostics list
1586     - add some checking and fix small problems (multi-threaded, ...)
1587     - new S/R diagnostics_fill (replace fill_diagnostics):
1588       look through the short list of active diag. (instead of the long list)
1589       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1590    
1591    checkpoint57a_post
1592    o this set of changes restores TAMC compatibility
1593      tested for global_ocean.90x40x15 adjoint on trough
1594      (what a pain)
1595    
1596    checkpoint57a_pre
1597    o some modifs in tools/build_options for sunos
1598    o call ctrl_pack for ctrl at end for optimcycle=0
1599    
1600    checkpoint57
1601    o add horizontal bi-harmonic viscosity for vertical velocity
1602      - new parameter viscA4W (defaults to viscA4)
1603      - affects only non-hydrostatic code
1604      - to be done: no-slip lateral boundary conditions
1605    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1606    o implement Implicit Vertical advection for pTracers
1607    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1608      (implemented also for implicit vertical diffusion & advection)
1609    o OBCS: extend application of tracer open boundary conditions
1610      to a strip beyond the boundary of width Olx/Oly
1611    o add call monitor to TAF set of required calls (flow directives)
1612      and include in natl_box_adjoint
1613    o untangle a few ifdefs related to cost, ctrl, autodiff
1614      untangel a few ALLOW_ECCO_OPTIMIZATION
1615    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1616      (theta2, salt2 in ecco_cost_weights)
1617    
1618    checkpoint56c_post
1619    o OBCS as control variables
1620      - update ctrl_ad_diff.list, obcs_ad_diff.list
1621      - remove balance of obcs controls from default
1622      - fix index bug nobcs in ctrl_init
1623      - fix dummy fields filen in ctrl_pack
1624      - add dummy weights for obcs
1625    o lsopt: comment out fort.94 output
1626    o optim:
1627      - remove unnecessary header files
1628      - adjusted namelists
1629      - add xerbla.F to Makefile
1630    o exf:
1631      - multiple modifications of exf_check_range
1632      - unit change in exf_init_runoff from [m/year] to [m/s]
1633    o mdsio:
1634      - i/o-vector change debugLevel from debLevA to debLevB
1635    
1636    checkpoint56b_post
1637    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1638      is called from DO_THE_MODEL_IO
1639      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1640      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1641      - clean up PTRACERS_WRITE_TIMEAVE a little
1642    o add another verification experiment that tests both the cfc-pkg and
1643      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1644      reactive tendencies treated inline with regular timestepping
1645    o testreport previously did a lousy job of comparing small numbers, so
1646      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1647      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1648      testreport.
1649    o ptracers_monitor: bug fix for MPI
1650    
1651    checkpoint56a_post
1652    o GCHEM: finish reorganizating the package
1653      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1654        (introduces another 3D-array for each passive tracer, but only if
1655        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1656        gchemTendency is not needed because the timestep is done separately)
1657      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1658      - GCHEM is now---more or less cleanly---separate from PTRACERS
1659      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1660        so clear to me how that should be done in a general way.
1661    o CFC: improve formatting of output in CFC_ATMOS
1662    o PTRACERS:
1663      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1664        that ALL experiments with ptracers enable can be checked. This makes
1665        GCHEM_MONITOR obsolete.
1666      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1667        monitorFreq
1668      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1669    o add PTRACERS (PTR0[1-5]) to testreport output
1670    o exf_check_range:
1671      * default changed to .TRUE.
1672      * will check values for niter0 if debLevA, every timestep if debLevB
1673      * STOP in exf_check_range if 'out of range'
1674      * range chosen generous to allow for potential extema
1675      TBD: a version with stricter range
1676           permitted range would be runtime parameters
1677  o GMredi:  o GMredi:
1678    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1679    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
# Line 11  o GCHEM: Line 1682  o GCHEM:
1682    - move call to GCHEM_FORCING_SEP, so that it is now called before    - move call to GCHEM_FORCING_SEP, so that it is now called before
1683      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1684    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1685      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1686        this flag is now only visible within GCHEM-pkg routines.
1687      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1688        be replaced by a 3D array that is computed before thermodynamics; for
1689        this, the tracer ID iTracer had to be included into the parameter list
1690        of ptracers_forcing
1691      - set up forward_step to call gchem_forcing, that will replace
1692        gchem_forcing_int in ptracers_forcing
1693      - cleaning up
1694  o small cleaning of exch2: remove files that are also in eesupp/src  o small cleaning of exch2: remove files that are also in eesupp/src
1695    
1696  checkpoint56  checkpoint56

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