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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.811 by mlosch, Wed May 9 14:32:05 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 pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
8    o pkg/exf: some cleaning-up:
9      - change various "constants" into runtime parameters
10      - cleaned-up Large&Yeager04 routine which should eventually
11        replace exf_bulkformulae.F (changed names of S/R and CPP)
12        and merged various ALLOW_ATM_WIND options
13     only used with thsice pkg (in thsice_get_exf.F):
14      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
15        which are used when useStabilityFct_overIce=TRUE (= the default)
16      - change default values of ice & snow emissivity and scale downward LW
17        by ice & snow emissivity.
18    o pkg/thsice:
19     fix few little problems, in thsice_calc_thickn.F:
20      - growth vertically (and not laterally) if iceFrac == iceMaskMax
21      - melt laterally only if hIce < hThinIce (as the comments say)
22      and in thsice_extend.F:
23      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
24      - start to form ice as soon as the minimum ice-volume is reachable.
25     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
26      and cpl_aim+ocn
27    o pkg/kpp
28     - move computation of surface related input fields to KPP into a new
29       subroutine kpp_forcing_surf.F
30     - remove wrong (within bi,bj loops) EXCH calls.
31     - little cleaning (add argument myThid in last position, cvs header ...)
32     - for now, fix conservation problem by exchanging KPPviscAz (may not
33       be the best fix)
34    o pkg/seaice
35     - check for inconsistent evp parameter/cpp-flag combination
36     - remove leftover errIO flat for obsolete name list error handling
37    
38    checkpoint59a
39    o pkg/seaice: some parameter clarifications and a little bit of clean up
40    o pkg/thsice: rename run-time parameters:
41       himin       -> hIceMin
42       himin0      -> hThinIce
43       hihig       -> hThickIce
44       i0          -> i0swFrac
45       transCoef   -> bMeltCoef
46       frac_energy -> fracMelting
47      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
48       with default values (for now) that do not change the results.
49      remove old version of thsice vars advection in pkg/seaice.
50    o in FFIELDS.h:
51      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
52      - make pLoad & sIceLoad always available (but still only used if
53         ATMOSPHERIC_LOADING is #define).
54    o pkg/kpp: replaced _KPP_RL with _RL
55    o bug fixes for vertical diffusivity computations when both KPP and
56        3D diffusivity arrays are used.
57    o pkg/seaice: fix bug in evp solver, while doing that
58      - change (improve?) discretization of stress computations for both
59        cgrid-lsr and evp solver
60      - add a new routine to compute strain rates
61      - the above changes lab_sea results
62      - add no slip conditions for evp solver (off by default), lsr-version
63        may follow
64      - fix exchange for shear at Z-points (does not change lab_sea)
65      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
66        (to force the user to pick a time step since there is not "safe" way
67        of choosing it)
68      - add principal stress diagnostics
69      - rearrange fields for evp a little to avoid having to call a: too many
70        exchanges and b: exchanges for stress trensor components which we do
71        not have.
72      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
73        of evp, complete rewrite for lsr case (latter is does not yet work
74        in all cases)
75    o pkg/kpp: add code to have mixing in shelf ice caverns
76      - add myThid to all kpp routines (long overdue)
77    
78    checkpoint59
79    o pkg/exf:
80      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
81        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
82      - move exf header files from lower_case.h to UPPER_CASE.h ;
83        add missing cvs Header & Name
84      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
85      - add namelist param. selectStressGridPosition, exf_monFreq
86      - retire many _CLIM routines, and remove data.exf_clim
87        + params moved to data.exf
88        + climsst, climsss now handled by exf_set_gen, i.e.
89          climss?period=0 refers to constant field,
90          climss?period=-12 to monthly forcing
91      - split up namelists in data.exf
92    o pkg/seaice:
93      - remove seaice_exch and seaice_exch_uv
94      - remove superfluous exchange of theta
95      - add myThid to seaice_budget_ocean/ice
96      - add new interface for atmospheric wind forcing (C-grid only)
97        + new routine
98        + two new field (taux, tauy for stress over ice)
99        + removed one global field (DAIRN) for C-grid case only
100    o pkg/thsise
101      - 2nd set of modifs for thsice adjoint in conjunction with exf
102    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
103    
104    checkpoint58y_post
105    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
106      vertical diffusivity, similar to that in MOM4; turned on using
107      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
108      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
109    o Added capability for 3D specification of background vertical diffusion
110      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
111      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
112      "data" file that contains the 3D vertical diffusivity coefficients.
113    o ice dynamics (pkg/seaice) with thsice thermodynamics:
114      - add code within pkg thsice to advect & diffuse sea-ice fields
115      similar to (and will replace) what has been added in  seaice_advdiff.F,
116      but: - conserving Mass, Heat & Salt.
117           - better when using non-linear advection scheme (not yet fully tested)
118           - can also be used in atmospheric set-up (for now, only the diffusion).
119    
120    checkpoint58x_post
121    o IO option for global-file compact format:
122      - add options when generating topology (utils/exch2/matlab-topology-generator)
123      - add I/O capability (pkg/mdsio).
124      - adapt utils/matlab/rdmds.m to read this format.
125      for now long-line format not yet supported by pkg/mdsio (& exch2).
126    o shelfice: add a few diagnostics
127    
128    checkpoint58w_post
129    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
130      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
131      (and replace horiVertRatio in NH code).
132      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
133                         and tutorial_plume_on_slope (sensitive to truncation)
134    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
135      directly to drive seaice model (C-grid only)
136    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
137     - reintroduce computation of wind from stress,
138     - compute tau (in exf_bulkformulae.F) from windstress averaged to
139       mass points to avoid tau = 0
140     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
141    o rdmnc.m: make it work with "global" files created with gluemnc
142    o rdmnc.m : some improvements in dealing with singleton dimension
143      (tested on all testreport mnc output files).
144    o genmake2: disable pkg/profiles if netcdf test fails.
145    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
146    o move call to cal_readparms up to make calendar parameters/variable available
147      to all packages
148    
149    checkpoint58v_post
150    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
151      useDynP_inEos_Zc tested.
152    o pkg/exf: changes to properly interpolate/mask/scale initial fields
153    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
154      and portions thereof.  See read_cs.txt for description and examples.
155    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
156      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
157      following the great-circle arc between those 2 points.
158    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
159      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
160    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
161     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
162     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
163     - still needs work (not working with some options ; efficiency to improve)
164       and serious testing.
165     - use this scheme for temperature & salinity in 2 advection test exp.:
166       advect_xy & advect_xz, respectively.
167    
168    checkpoint58u_post
169    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
170    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
171    o testreport: add option "-skipdir" to skip some test.
172    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
173      momentum calculation.
174    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
175    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
176      remove checkpoint.F and the_correction_step.F (no longer used);
177      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
178    o add option (linFSConserveTr) to correct for tracer source/sink due to
179      Linear Free surface
180    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
181    o pkg/thsice: fix reading mnc-pickups
182    
183    checkpoint58t_post
184    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
185    o pkg/mdsio:
186     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
187       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
188       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
189     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
190     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
191       either MDS_READ_FIELD or MDS_WRITE_FIELD )
192     - new S/R (to replace MDSWRITEMETA), which allows to write more
193       informations (variable names, time ...) to meta files.
194     - modify rdmds.m to give back the meta file content.
195    o pkg/diagnostics: change vertical interpolation to be safer, and more
196       flexible (define p-levels to interpolate to in data.diagnostics);
197      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
198       diagnostic pointer.
199    o pkg/seaice: more cleaning up of seaice_growth, added many comments
200    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
201    o fix multi-category seaice:
202     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
203       SEAICE_MULTICATEGORY
204     - fix short wave heat flux
205    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
206       and allow to use EVP solver. Change forward lab_sea: test both EVP
207       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
208    o Initial check-in of lab_sea adjoint
209      (very similar to natl_box_adjoint/code_seaice)
210      * used C-grid and EVP solver
211      * used KPP, GM/Redi
212      * uses inAdExact=.TRUE.
213      * gradient checks fail for both ADM and TLM
214        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
215        f.d. gradients actually seem more problematic than ADM, TLM gradients;
216        issue is related to forward mismatch between g77 an ifort
217    o pkg/seaice: overhaul of thermodynamics
218     - growth.F and groatb.F are replaced by new routine seaice_growth.F
219     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
220     - move a few global fields out of SEAICE.h into seaice_growth.F and
221       make them 2D (FICE/QNETO/ ...)
222     - remove FO (it is the same as QNETO)
223     - introduce a few local fields to avoid modifying external fields such
224       as atemp, etc.
225    
226    checkpoint58s_post
227    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
228      changed exf_set_gen.F so that
229        genperiod=0 means input file is one time-constant field and
230        genperiod=-12 means input file contains 12 monthly means
231    o CG2D: use pre-computed solver main-diagonal (stored in common block);
232      this affects truncation error ; generate new output file for exp. which
233      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
234        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
235        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
236        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
237        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
238        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
239    o start implementation of deep-atmosphere and anelastic formulation
240    o verification: remove 2nd copy of input files and use script "prepare_run"
241      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
242    o mom_common/vecinv/fluxform: fix a few initialisation isssues
243    o profiles: fix for multithreaded case
244    
245    o diagnostics: rename few diags:
246      s/'PRESSURE'/'RCENTER '/g
247      s/'TICE    '/'oceFreez'/g
248      s/'TAUX    '/'oceTAUX '/g
249      s/'TAUY    '/'oceTAUY '/g
250      s/'SWFLUX  '/'oceQsw  '/g
251      s/DIFx/DFxE/g
252      s/DIFy/DFyE/g
253      and add few ocean-forcing diagnostics:
254      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
255    o modifications to pkg/seaice/growth.F and budget.F, which change results of
256      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
257      as actual snow thickness.  It now refers everywhere to effective snow
258      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
259    
260    checkpoint58r_post
261    o modifications to pkg/seaice/growth.F, which change results of
262      lab_sea experiment: fixes pertain to melting snow over open water, to
263      masking EVAP under sea ice, and to using the correct AREA variable for
264      computations of EVAP, PRECIP, HSNOW, and GHEFF
265    o add ability to read bathy, salt, and theta using MNC (off by def)
266    o add flooding algorithm and advection of HSNOW for pkg/seaice;
267      both are turned off by default and do no change any results
268    o seaice advection with pkg/thsice: a step toward the use of non-linear
269      advection scheme, but #ifdef or commented out for now (requires more EXCH).
270    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
271      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
272      in natl_box (affects results @ truncation level: update output.txt)
273    o multi-threading and IO:
274      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
275      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
276        (needed to work with SingleCpuIO): tested in all verif. exp.
277    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
278      affects the results (but none of the verification test uses this scheme).
279    o Adding some pkg/diagnostics capability to pkg/seaice
280      (will certainly be subject to changes)
281    o ctrl: adding new control variables:
282      lwflux, lwdown, evap, snowprecip, apressure, runoff
283    
284    checkpoint58q_post
285    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
286      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
287      high_res_cube configuration by 4% on Columbia.
288    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
289      add (in global_with_exf/code) a version of EXF_INTERP_READ without
290      dynamical allocation (seems to work in multi-threaded).
291    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
292      single CPU io) so that TAF does not have to see EESUPPORT.h
293    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
294    
295    checkpoint58p_post
296    o obcs: stop if obcs is used with useCDscheme = .true.
297    o shelfice:
298     - fix a sign error so that no slip at shelfice interface works
299     - remove stop for combination non-hydrostatic code and shelfice. That does
300       not mean, that the results are correct, but at least they are numerically
301       stable
302    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
303    o added adjoint exch routined for all exch*3d* routines
304      and updated flow directives
305    
306    checkpoint58o_post
307    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
308      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
309    o change controling S/R for writing pickup file (new S/R do_write_pickup)
310      and clean-up reading/writing of pickup files.
311    o fix local version of read/write pickup (NH part) in rotating_tank/code
312    o simplify EXCH interface:
313     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
314     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
315    o added the regrid package
316    o shelfice:
317     - add a simple boundary layer scheme to reduce noise
318     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
319    
320    checkpoint58n_post
321    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
322       local variable (not in common block).
323    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
324      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
325      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
326        to work with SingleCpuIO.
327    o add "_d 0" to real constant of pkg/cfc subroutines ;
328       update exp. cfc_exemple & tutorial_cfc_offline output files.
329    o multi-threading and IO:
330      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
331        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
332      - barrier before and after reading.
333      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
334      - avoid using MDS_WRITELOCAL for LAND pkg output.
335      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
336        common-block variables ; Allows multi-threading with master-thread IO.
337    o change default MAX_NO_THREADS from 32 to 4 ;
338      and stop cleanly when MAX_NO_THREADS is too small.
339    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
340    
341    checkpoint58m_post
342    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
343       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
344    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
345       keep global_ocean.90x40x15 (for AD testing) with former secondary test
346       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
347    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
348        add MITgcm_tutorials (= code + all the tutorials)
349    o ecco, option to compute cost for total ssh (mean+anom)
350    o consistent with addition of ptracer and ssh in pkg/profiles
351    o profiles: adding ptracer and ssh
352    o testreport: change multi-test output-file name
353      (from output.txt.{name} to output.{name}.txt)
354    o profiles: now ok for mutli-tiles case
355    o seaice: add 4 parameters for different advection schemes for area,
356      (effective) seaice thickness, enthalphy, and snow height. Their default
357      is the standard parameter SEAICEadvScheme
358    o calc_gw:
359     - add cosFacU in zonal viscous flux (harmonic.visc.).
360     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
361       of tutorial_plume_on_slope.
362    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
363    o calc_gw: true flux-form, account for horizontal grid spacing.
364      update rotating_tank results, but not plume_on_slope (affected at
365      truncation level, 11 digits).
366    
367    checkpoint58l_post
368    o calc_gw:
369     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
370     - remove side-drag for now (need to fix it); update plume_on_slope results.
371     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
372    o commit code to make SST/SSS weights spatially variable
373      (based on either variable in-situ or variable initial T/S weights)
374    o pkg/ecco:
375      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
376        now based on horizontally varying weights wthetaLev, wsaltLev
377      * cost_averagesflags now returns year indices in addition to day, month
378      * sflux balance is performed on annual basis
379        (sflxumm, sfluxmm2, bal_sfluxmm)
380      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
381        including separate counting and multipliers
382    o pkg/rbcs
383      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
384    
385    checkpoint58k_post
386    o testreport:
387     - always build in dir. "build" (if not there, mkdir build instead of building
388       & running in input)
389     - run in dir run (if it exists), in build otherwise.
390     - call prepare_run (if input/prepare_run exists)
391     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
392    o pkg/exf modifications to interpolation and rotation routines for more
393       reasonable treatment of North Pole singularity: for tracers North Pole
394       value is set to northernmost zonal-mean value, for zonal velocity it is
395       set to zero, and for meridional velocity it is set to northernmost value.
396    o pkg/exf/exf_check_range.F
397     - add tile index to diagnostics and move stop statement to the very
398       end of the routine.
399    o pkg/diagnostics: (diagnostics_main_init.F)
400      define title of isomorphic variables according to the current config.
401    o pkg/thsice with pkg/seaice dynamics:
402    - fix domain of computation (interior only, required for exf) and do exchanges
403    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
404    o towards a standard way of dealing with multi-threading in MONITOR
405      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
406    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
407       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
408    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
409    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
410    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
411       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
412    o tracer advection:
413     - clean-up and simplify calc_common_factors.F
414     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
415       advection subroutine (but still not used within DST advection S/R)
416    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
417    
418    checkpoint58j_post
419    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
420      from file (collects calls previously in FORWARD_STEP)
421    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
422    o adjoint store dir. adjusted accordingly
423    o genmake2
424      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
425    
426    checkpoint58i_post
427    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
428      on wind stress (SEAICEstressFactor defaults to 1.)
429    o Total number of Timers is finite (<=40): comment out 2 non-essential one
430      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
431    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
432      on CS-grid: no longer loosing mass.
433    o exf & curvilinear-grid: no longer modify longitude xC & xG.
434    o pkg/ggl90: fix sloppy output and fix a bug
435    o pkg/seaice: added SEAICEuseEVPpickup parameter
436      - Set to false in order to start EVP solver with
437        non-EVP pickup files when using SEAICEuseEVP
438      - fix sign error in diffusion in seaice_calc_rhs
439    
440    checkpoint58h_post
441    * Modifications for bottom topography control
442      o replace hFacC by _hFacC at various places
443      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
444      o add non-self-adjoint cg2d_nsa
445      o update autodiff support routines
446      o re-initialise hfac after ctrl_depth_ini
447      o works for 5x5 box, doesnt work for global_ocean.90x40x15
448    * Adding verification for 5x5 box (4-layer) bottom topography control
449    
450    checkpoint58g_post
451    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
452       used for mean seasonal cycle, mean diurnal cycle); add an example
453       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
454    o pkg/ggl90:
455      - add parameter (minimum surface kinetic energy)
456      - fix bug (avoiding division by zero)
457    o couple pkg/thsice to pkg/seaice:
458      - modify advection in seaice to accomodate new scalar fields to be advected
459      - only muliDimAdection scheme work with seaice/thsice
460      - mapping of thsice-variables to seaice-variables, back and forth
461      - does not break the verification experiments, but does not give the
462        desired results either
463    o pkg/seaice
464      - make (default) second order advection a bit less confusing?
465    
466    checkpoint58f_post
467    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
468      to pkg/seaice):
469      - new routines thsice_map_exf and thsice_get_exf provide the interface
470      - add an additional formal parameter to thsice_solve4temp
471    o pkg/exf:
472      - add new fields wspeed, snowprecip (to be able to couple to thsice)
473      - correct Stefan-Boltzmann constant
474      - new parameter for longwave surface emittance
475      - separate some stuff from exf_bulkformulae into new routines  
476        exf_radiation, exf_wind
477      - add new parameters and constants: longwave emissivity for ocean, ice
478        and snow, evaporation parameters over ice
479      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
480        either wind from stress or stress from wind
481    o pkg/thSIce:
482    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
483    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
484       and THSICE_CALC_THICKN
485    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
486    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
487      to make debugging easier.
488    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
489    o pkg/bulk_force:
490      - clean-up comments and parameters ;
491      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
492    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
493      generate new output for test-experiment: aim.5l_cs.thSI
494    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
495      testreport accordingly
496    
497    checkpoint58e_post
498    o SEAICE_CGRID adjoint done
499    o R_STAR adjoint implemented.
500      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
501      * need to sort out init. of h0facc, etc.
502    o Make pkg/profile fully independent of ecco,cost, etc. stuff
503      to be able to use it in pure forward.
504    
505    checkpoint58d_post
506    o upgrade simple test-experiment to tutorial example:
507     step.1: duplicate the experiment and (step.2) will remove the old copy.
508      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
509      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
510      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
511      tutorial_global_oce_biogeo    <- copy of dic_example
512      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
513      tutorial_plume_on_slope       <- copy of plume_on_slope
514      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
515      tutorial_global_oce_optim     <- empty for now (David ?)
516      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
517     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
518    o correct a sign problem in cost_scat.F
519    o obcs and ptracers: fix boundary conditions for advections schemes
520      with larger stencil
521    o thsice adjoint: start
522    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
523      completeness
524    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
525      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
526    o ptracers adjoint:
527      * avoid extensive recomputatations
528      * fix missing re-init. of gptr (missed by TAF)
529    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
530      me to turn off the excessive output to STDOUT that this package produces
531    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
532      and add those terms in Vector-Invariant formulation.
533    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
534      if the control period (xx_hfluxperiod etc) is 0
535    o in profiles pkg, clean routines and fix details
536    o in ecco pkg, reading ssh data:
537      fix problem in case the model does not start at iter0=0
538    o fix mnc-pickup/restart for ptracers
539    o new package prifiles:
540      code to compute profile-based cost by Gael Forget
541      (modifs in ecco, ctrl, autodiff)
542    o Benign bug fix in initialization (spotted by M. Mazloff) of
543      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
544    
545    checkpoint58c_post
546    o adjoint: finish NLFS adjoint and provide reference output in
547      verification/global_ocean.90x40x15/results_ad_nlfs
548    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
549      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
550      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
551      with SEAICE_CGRID defined.
552    o move calendarDumps from "data" to "data.cal" and clean-up the code
553      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
554    o add useEXF & useCAL flags (for now, set in hard-coded way)
555    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
556      (were missing in NH mode, and wrong in quasihydrostatic mode).
557      waiting for Chris updated version of calc_gw to add those CALLs.
558    o fix bug in quasihydrostatic S/R ;
559      add a test for this option: global_ocean.90x40x15.qshyd
560    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
561      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
562    o add on/off flag useOffLine for package OFFLINE
563    o seaice:
564      - modify advection so that it works also on the C-grid
565      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
566        problem in multi-tile runs with C-grid
567      - add flags for clipping ice velocities and/or masking solver forcing
568      - fix drag (ocean on ice) formulation and a bug that caused noise in the
569        C-grid solver
570      - added a few comments to seaice_diffusion.F
571      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
572        are now exclusive)
573      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
574        required re-ordering the code a little:
575       + make DAIRN global variable (defined in SEAICE)
576       + move computation of the viscosities eta and zeta into a new separate
577         routine (because I need to recompute them in seaice_ocean_stress.F)
578    
579    checkpoint58b_post
580    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
581      update output.txt of exp. aim.5l_cs.thSI
582    o various mnc cleanups and improvements:
583      + shrink lookup tables by factor of ~4
584      + better error reporting when running out of lookup space
585      + able to handle longer path/file names (up to 500 chars)
586    o adjoint:
587      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
588      - TBD: "hidden" mom_vecinv recomp. in dynamics
589    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
590     (allow to differentiate between forcing components using new integer flags:
591      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
592     and add new flag to put Dissipation tendency out of Adams-Bashforth.
593    o ecco
594      - enable trend removal from SSH anomaly obs.
595    o adjoint
596      - a fix for PmEpR when #undef EXACT_CONSERV
597      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
598      - try to fix "hidden" recomp. in forward_step for NLFS
599        (NLFS seems broken sometimes after I checked it in)
600    o seaice:
601     - add c-grid version of the dynamic solver:
602       + three new routines that are the c-grid substitute lsr, dynsolver
603         and ostres
604       + put a few fields that were local to dynsolver into global common
605         blocks, so that I can move the computation of stresses etc into
606         seaice_lsr (saves coding but may break the adjoint).
607     - replace more hardwired parameters by runtime parameters
608     - add ice masks that mask the rhs of the implicit solvers where there
609       is no ice (commented out in seaice_dynsolver, because i am not sure
610       if this works properly), eventually this should replace the clipping
611       of ice velocities in seaice_dynsolver to +/-40cm/s.
612    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
613      include it only where its needed
614    o move balancing of fluxes before the call of external_forcing_surf
615    o seaice:
616      - correct units of turning angles (now they are really in degrees)
617      - move computation of GWATX/Y out of main routine into dynsolver
618      - initialize GWATX/Y in seaice_init
619    o Apply mask on Fresh-Water flux (needed for SSH forcing).
620      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
621    o seaice: add runtime flags for turning angles (default to zero)
622    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
623      and trend from exf forcing and ctrl control adjustments
624    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
625      (since checkpoint57x_post)
626    o change the default rotation period to 86164.s = the Earth rotation
627    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
628      and based on a reference stratification. Tested within hs94.cs-32x32x5.
629    o seaice advection: add code for choosing between the default (2nd order
630      central differences) and multiDim advection schemes provided by
631      pkg/generic_advdiff
632    o seaice:
633      - removed all references to SEAICE_GRID.h fields from
634        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
635        (cubed-sphere configuration will change a little)
636      - grid computations in seaice_init are obsolete now.
637      - cleaned up code a little so that is easier to read (hopefully).
638      - added new (better?) discretizations of default advection and diffusion
639        (turn on with SEAICEuseFluxForm)
640      - replace 1 in 3d global fields by kSurface in growth.F
641      
642    checkpoint58a_post
643    o seaice:
644      - bug fix in advect.F
645    o shelfice:
646      - separate shelfice load anomaly from pload (breaks with time
647        dependent forcing), => introduce constant field shelficeLoadAnomaly.
648        Its default is 0., but it may be computed more cleverly from (unknown)
649        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
650        done offline. A good approximation of the pressure load anomaly is
651        necessary to avoid large initial adjustment processes underneath
652        deep-reaching shelfice.
653      - small fix in ISOMIP shelfice_thermodynamics
654      - add more sophisticated thermodynamics of Hellmer (1989), this is
655        now the default
656      - give a few constants more intuitive names
657    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
658      if bulk formulae are used in long integration (especially EmPmR). Turn
659      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
660      if balancePrintMean, the imbalance that is substracted is printed to
661      STDOUT.
662    o fix bug (typo) in obcs_apply_eta.F
663    o add a new package shelfice which enables us to model the circulation
664      underneath shelf-ice with draughts of hundreds of meters.
665     - works
666     - to do: + include improved thermodynamics
667              + check whether kSurfC (from model/inc/SURFACE.h) can be used
668                instead of new field kTopC
669              + can we use topoFile, Ro_surf and existing code in ini_depth.F
670                instead of new field R_shelfIce and new code in ini_depth.F
671                and ini_mask_etc.F?
672              + adjust vertical mixing schemes?
673    o seaice pkg:
674     - add a cpp-flag to include a simple formula for a salinity dependent
675       freezing point of sea water at the surface
676     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
677       meridional stresses are now different (and hopefully correct)
678    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
679       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
680       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
681    o pkg/diagnostics: add options and parameters for regional-statistics
682       diagnostics ; define regions by reading a region-mask from a file
683       (might add other options later)
684    o pkg/bulk_force:
685     - add option and parameters to use AIM surface-flux formulae.
686     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
687       others forcing fields (defined in PARM05, parameter file "data") are loaded
688       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
689     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
690     - use the right EXCH call for uwind,vwind (to work on CS-grid).
691     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
692       and parameters (note: calcWindStress replaces .NOT.readwindstress).
693     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
694    
695    checkpoint58
696    o add "--embed-source" option to genmake2 which, when the supporting
697      tools can be compiled (as determined by genmake2) will turn on the
698      embed_files package which then embeds the entire MITgcm source code
699      (*.[fFhc] + Makefile) used for the build within the executable
700      - requested by CNH but off by default
701      - adds a paltry <9MB to the mitgcmuv executable in most cases
702      - only writes the output when useEMBEDSRC in eedata is true
703    o clean up 3-dim. relaxation codes:
704      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
705      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
706      * Thanks to Tom Haine for testing!
707    
708    checkpoint57z_post
709    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
710      affects output (@ truncation level) of exp. plume_on_slope ; updated.
711    o fix the pickup behavior for obcs in combination with ptracers
712    o fix a bug in ptracers_external_fields_load
713    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
714      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
715    o transfered surface NH pressure to eta field (if exactConserv).
716    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
717         and update lab_sea output.txt file.
718    o completing 3-dim. relaxation code: additional term
719         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
720      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
721      * At compile time, in "EXF_OPTIONS.h" set
722          #define  ALLOW_CLIMTEMP_RELAXATION
723          #define  ALLOW_CLIMSALT_RELAXATION
724      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
725          tauThetaClimRelax3Dim = 15552000.0,
726          tauSaltClimRelax3Dim  = 15552000.0,
727      * 3 cases:
728          1) Use a constant-in-time 3-dim. field
729          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
730          3) Real-time relax. to time-evolving prescribed field
731    o Adding Laplacian-type smoothness constraint on
732      initial and boundary (forcing) controls (ic, bc)
733      * enable at compile-time via
734        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
735      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
736      * Absolute scale somewhat unclear so far
737      * no area weighting was included since no other cost term does so far
738    
739    checkpoint57y_post
740    First step for a NLFS adjoint
741    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
742    o new init. routines for calc_r_star, calc_surf_dr
743    o still need to deal with ini_masks_etc
744    o testreport seemed happy
745    checkpoint57y_pre
746    
747    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
748    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
749    o add new offset feature to offline pkg (plus minor cleanup)
750    o cfc fixes for final year of integration
751    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
752      be in GCHEM_OPTIONS).
753    
754    checkpoint57x_post
755    o fix testreport Pb in multiple test experiment.
756    o cleanup our namelist syntax in verification:
757      - make it more F95 standards compliant (some work still needed)
758      - allows the vast majority of our tests to work with gfortran
759    o Non-Hydrostatic:
760     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
761     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
762    o Allow to apply AB on T,S rather than on AB(gT,gS):
763     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
764     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
765       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
766     - need a "clever" read_pickup to restart from the other AB formulation
767    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
768    o remove some unused variables (reduces number of compiler warnings)
769    o adjoint
770      * Disable useVariableViscosity for adjoint for time being
771        (there are a number of extensive recomputations)
772      * Initialize certain variables needed for adjoint
773    
774    checkpoint57w_post
775    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
776                 fix the singleCpuIO RS version of MDSWRITEFIELD
777       and add a WARNING if using globalFiles=T with multi-processors.
778    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
779      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
780    o tracer advection scheme:
781      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
782       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
783       was not very convenient).
784      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
785       (further tests needed for the implicit DST & Flux-Limiter schemes).
786    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
787      and sRef for convenience, handy, when you want to initialize
788      ptracers in a large domain with a constant non-zero value. Also,
789      untangle ptracers_init.F a little.
790    
791    checkpoint57v_post
792    o change dome exp. to use variable viscosity in side-drag terms.
793    o remove all the files from the cfc_offline test since they are now
794      incorporated into tutorial_cfc_offline which has been producing
795      identical results for a few days of testing
796    o add new parameter: sideDragFactor to enable half-slip-side BC
797      and change side-drag S/R to use viscosity from mom_calc_visc
798      (can switch back by setting sideDragFactor=0.); affects results at
799      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
800       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
801    o vorticity & strain are now computed without masking, to account for
802      no-slip-side BC in variable viscosity calculation ; mask is applied
803      anyway later on, before computing advection/coriolis terms.
804    o modify exp4 to test new obcs support for reading from external files
805      and for passive tracers
806    o fix behavior of ptracers_monitor when monitor output is written to a
807      netcdf-file; still not independent of monitor.F (writes in the same
808      file).
809    o change default value of tRef (put a uniform, meaningful value for ocean
810      & atmos) and initialize sRef (was missing, as Martin mentioned).
811    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
812      to be proportional to enstrophy dissipation length.  Thus,
813       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
814      This is now consistent with Smagorinsky and with the manual.
815    
816    checkpoint57u_post
817    o OBCS and PTRACERS: add open boundary support for passive tracers
818      - either use homogenous (pseudo) v.Neumann conditions or prescribe
819        OB-values from file; this is not different from the way theta and salinity
820        are treated
821      - however, Orlanski-radiation conditions are not supported, and the model
822        will stop if you use pTracers and Orlanski at the same time.
823      - beefed up the rountine obcs_external_fields_load: now only those open
824        boundary values are overwritten with values from files for which there
825        are really files, otherwise the OB-fields remain untouched. This makes
826        it possible to use different OBs at different ends of the domain (as
827        with EXF)
828    o reduce number of exch calls in shap_filt (s2).
829    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
830      truncation level) 4/5 MLAdjust test results (11&12 digits match).
831    
832    checkpoint57t_post
833    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
834    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
835      same truncation, independent of the face number: affects affects several
836      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
837    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
838      note that biharmonic viscosity + no-slip was not tested in any experiment.
839    o fix bug in non-linear free-surf side-drag ; generate new output for
840      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
841    o make mnc honor the writeBinaryPrec flag for most kinds of output
842    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
843    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
844      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
845    o add brackets in multi-terms sum to get same truncation, independent of
846      the face number (manage to get exactly same value of gU,gV at the cs-edge)
847      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
848    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
849      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
850      a maximum grid-scale Reynolds number.  Also, changes all length calculations
851      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
852      Suggested values of viscosity parameters found in mom_calc_visc.
853      Many new viscosity diagnostics available.
854    
855    checkpoint57s_post
856    o Add clearing-house for viscosity calculations, mom_calc_visc and
857      correct numerous bugs in LeithD and Smagorinsky discretizations.  
858      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
859      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
860      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
861      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
862      The Strain-Tension form is now called with useStrainTensonVisc=.true.
863      ViscAhStrain and viscAhTension are now retired.
864    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
865    o In response to JMC's bug report, genmake2 now ignores any soft-links
866      that it finds in the *current* directory when searching for files.
867      Soft-links found in any other source directories will still work as
868      they did before.
869    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
870      a C routine to unlimit the stack size
871    o mnc-ify pkg/aim snapshot vars
872    o mnc-ify pkg/land as requested by Daniel
873    o various changes to mnc including:
874      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
875      - output can now be grouped so that all files within a group
876          change the ITER portion of their names in lock-step together
877      - can now read ("global") PER-FACE (in addition to PER-TILE) files
878          and works with both EXCH1 and EXCH2 (but needs more testing)
879      - writing works for all verification test cases w/ g77 on Linux
880    
881    checkpoint57r_post
882    o make MNC variable initialization happen earlier
883    o add diagnostics for (almost) each term of the momentum Eq.
884    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
885    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
886    o remove MINIMAL_TAVE_OUTPUT option ;
887      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
888    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
889      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
890    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
891    o add time-dependent SST, SSS control
892    o cost terms in ecco/ modularized (new cost_generic.F)
893    o cost_averages routines are modularized (new cost_averagesgeneric.F)
894    o new infrastructure for seaice model vs. obs misfits in seaice/
895      * driver from the_main_loop.F is seaice_cost_driver.F
896      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
897      * gradient check in Exp. 6a of natl_box_adjoint/
898    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
899      (see README file)
900    
901    checkpoint57q_post
902    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
903    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
904      - bug was reported by Jean-Michel and Ian Fenty
905    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
906      update exp. cpl_aim+ocn output.
907    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
908      Needed for high-res. runs with large global files
909      to be able to limit tapelev size
910    o Changed some tests for adjoint:
911      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
912      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
913      * global_ocean.90x40x15/ back to default 3-level checkpointing
914    o Modifications to enable scripted COMMON to MODULE conversion
915      * verification/OpenAD/code/ has necessary scripts and description;
916      * converts, compiles and runs successfully;
917    
918    checkpoint57p_post
919    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
920    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
921      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
922    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
923    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
924      (was already the case for dissipation with mom_vecinv,
925       and also the case for grad.PhiHyd when staggered-timeStep)
926      This will allow to put dissipation out-off the AB time-stepping.
927     Unfortunately, affects truncation error. Update output of exp. that "fails"
928      (cg2d matching number) and leave the others for later: front_relax(10),
929      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
930      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
931    
932    checkpoint57o_post
933    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
934      (2) its ready to be documented during the 20050801 DocFest
935    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
936      for ideal_2D_oce and lab_sea on linux_ia32_g77
937    o set to #undef CTRL_SET_OLD_MAXCVARS_30
938      in global1x1_tot/code_seaice_adj to access indices 32, 33
939      (worth another tag)
940    
941    checkpoint57n_post
942    o adding precip control xx_precip 32
943    o adding swflux control xx_swflux 33
944    o Replacing 10 forcing penalty cost routines by 1 generic.
945    o Implementing partitioning in time-mean and variable adjustment
946      for atmos. state.
947    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
948    o in natl_box_adjoint:
949      * updated exp 1 to 10
950        (but does not have time-mean vs. variable split results yet)
951    o updated global1x1/*_seaice_adj/
952      to incorporate latest changes
953    o enable useSingleCpuIO for mdsio vector routines
954      (applies in particular to tapelev I/O)
955    o removed inefficient K-loop in all active_file*control*.F
956    
957    checkpoint57m_post
958    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
959      and advect_cs (use EXCH-2 and standard cs-32 grid files).
960    o pkg/exch2: filling of face-corner halo regions is optional
961      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
962    
963    checkpoint57l_post
964     tag before updating tutorials (pre-release-2)
965    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
966       for output and interpolation of input fields onto model grid)
967    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
968       Affects results of exp. rotating_tank ; update output.txt.
969    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
970          and taking the square quantity and/or using a fraction-weight field.
971    o fix aim_diagnostics_init.F mate numbers.
972    o add mnc output capability to diagnostics/diagstat and update
973      our cvsignore files for the ACSII output generated
974    
975    checkpoint57k_post
976    o lab_sea now uses diagnostics package and provides a suite of
977      new EXF diagnostics output.
978    
979    checkpoint57j_post
980    o exf
981      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
982        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
983        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
984      * extended diagnostics output
985        - now includes all EXF variables
986        - hs, hl moved to common block
987        - separate S/R for diagnostics, called after ctrl vector is added
988        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
989        - EXFqnet contains true Qnet (i.e. includes qsw)
990      * updated verif. lab_sea, global_with_exf
991      * Rearranging hflux (exf_mapfields -> exf_getforcing)
992        to ensure that diagnostics sees a true EXFqnet
993    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
994    o diagnostics pkg: change pointers so that 1 diagnostic can be used
995      several times with different frequencies.
996    o mnc-ify the thsice package as requested by Daniel Enderton
997      - the monitor--MNC output needs work
998      - many attributes need to be added (most are currently blank)
999    o mnc-ify theaim_v23 package as requested by Daniel Enderton
1000      - many attributes need to be added (most are currently blank)
1001    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
1002    o add Sadourny like discretization to the 4th.O vorticity advection scheme
1003    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
1004      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
1005         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
1006    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
1007     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
1008    
1009    checkpoint57i_post
1010    o Diagnostics package was changed: diagnostic allocation is now deactivated
1011      by setting an empty file name in the namelist (used to be by setting 0 frequency)
1012    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
1013      add 1rst Order upwind vertical Shear.
1014    o add a quick fix for A/B checkpointing in OFFLINE mode
1015    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
1016      end-run around the C/Fortran linking horror in eesup/src/timers.F
1017    o added pkg/runclock: allows user to terminate run based on wall clock
1018    o added non-hydrostatic scaling parameter: nh_am2
1019    o pkg/my82: futile attempt to make results compiler-independent by adding
1020      some "_d 0", etc. no effect.
1021    o for mnc output, fill the 'T' coordinate var with myTime and create a
1022      separate 'iter' variable for iteration count
1023    o pkg/diagnostics:
1024      add new capability: output of Global/Regional & per-level statistics ;
1025      tested against monitor output (including land & thSIce) on various exp.
1026    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
1027    
1028    checkpoint57h_done
1029      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
1030      data.diagnostics, data.gchem, data.ptracers) is done.
1031    
1032    o pkg/diagnostics: prepare for Global/Regional statistics.
1033      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
1034    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
1035      and rename it: DIFFERENT_MULTIPLE
1036    
1037    checkpoint57h_post
1038    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
1039    o pkg/diagnostics: change output frequency, now in seconds (instead
1040      of Nb of iterations). This requires to change data.diagnostics.
1041    checkpoint57h_pre
1042    
1043    o in mnc, let the user create the output dir if both mnc_outdir_date
1044      and mnc_outdir_num are false
1045    o add fflags() to pkg/diagnostics which allows one to specify, on a
1046      per-file basis, the file precision [default behavior is unchanged]
1047    o added diagnostics to pkg/kpp, including computation of mixed layer
1048      depth based on a temperature/density criterion
1049    o updated verification/natl_box to test the new pkg/kpp diagnostics
1050    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
1051    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
1052    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
1053      not mnc -- this mistake was found by JMC and is now corrected
1054    
1055    checkpoint57g_post
1056    o add Adams-Bashforth 3rd Order time stepping:
1057      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
1058      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
1059    checkpoint57g_pre
1060    
1061    o make lambda[Theta,Salt]ClimRelax spatially varying
1062      (default remains spatially uniform constant based on tau)
1063    o added new control variables
1064      * init. uVel, vVel, etanN
1065      * lambda[Theta,Salt]ClimRelax
1066    o separate masks used for ctrl_pack/unpack 'from write_grid' output
1067      (suggested by G. Forget)
1068    
1069    checkpoint57f_post
1070    o add parameter "baseTime" = model base time = time at iteration zero
1071      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1072      account for baseTime shift
1073    o move Coriolis arrays from PARAMS.h to GRID.h
1074    checkpoint57f_pre
1075    
1076    o mnc-ifying the seaice package
1077    o introduced an alternative length scale calculation for use in the limiting
1078      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1079    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1080    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1081      as well as grad(vort3).  Made it compatible with both approximate form
1082      for the cubed sphere and full form of these gradients.  Added flag
1083      useFullLeith to select between approximate and full form.  
1084    o add "d0" in getcon.F to reduce differences between compilers/platforms
1085      update output.txt of exp. fizhi-gridalt-hs
1086    o change port_rand funtion to allow to set the seed.
1087    o fix obscure MNC bug involving conversion between reals and integers
1088      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1089        new version is now more standards-compliant
1090    o adjoint-related modifications
1091      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1092      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1093      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1094    
1095    checkpoint57e_post
1096    o Adding eddy stress controls a la Ferreira et al.
1097    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1098    
1099    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1100      update output.txt of exp. fizhi-gridalt-hs
1101    o add more "Z" dimensions and associated coordinate vars to MNC
1102    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1103    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1104      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1105      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1106      months and years.  Requires pkg/cal.
1107    o diagnostics: add pickup functionality
1108      - off by default for backwards compatibility
1109      - current version only uses MDSIO -- MNC will be added
1110    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1111    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1112    
1113    checkpoint57d_post
1114    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1115    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1116      output from the diagnostics package
1117    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1118    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1119      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1120    o add coordinate variables to the MNC output from the diagnostics package
1121    o change MNC-flags default value: true when useMNC=TRUE
1122    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1123      the ability (off by default) to read the grid information using MNC
1124    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1125    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1126    o do snap-shot diagnostics at the middle of the time-interval (instead of
1127      at the end).
1128    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1129      new test for AIM with thSIce + slab-ocean
1130    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1131    o move state variable diagnostics to the beginning of the time step ;
1132      (note: still needs some work specially for snap-shot diagnostics)
1133      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1134    
1135    checkpoint57c_post
1136    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1137    o generate new output.txt files on faulks with g77 & the new -ieee option
1138    checkpoint57c_pre
1139    
1140    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1141      update output.txt of exp. global_ocean.90x40x15
1142    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1143      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1144    o add saltFlux(+File) forcing capability with periodicExternalForcing
1145    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1146    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1147    o improvements for the MNC output from DIAGNOSTICS:
1148      - correct handling of the unlimitied dimension
1149      - all dims now have associated coordinate variables
1150      - variables located at U, V, and Corner ("Z") points are now written
1151        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1152        *all* data points are output
1153    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1154    o added pkg/seaice/seaice_monitor.F
1155    o mdsio_readfield.F can now read files visible only to master MPI process.
1156    o pkg/seaice: some test code for ice-modified ocean stress
1157    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1158      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1159      spurious negative numbers for precipitation and humidity.  Will cause
1160      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1161    o pkg/ctrl/
1162      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1163        May be enabled via doPackDiag
1164      *  introduce z-scaling of
1165         + gradient (doZscalePack) and
1166         + control (doZscaleUnpack)
1167    o pkg/mdsio/
1168      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1169      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1170    
1171    checkpoint57b_post
1172    o simplify options in diagnostics_fill arguments (remove weird combinations)
1173    o fix MNC coordinate variables so that they now contain per-face index
1174      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1175      general, EXCH2 grids are only aligned to a "local" coordinate system
1176    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1177    o Implement instantaneous output within pkg diagnostics:
1178      setting a negative frequency in data.diagnostics produces
1179     "snap-shot" output (as opposed to time-average if freq > 0)
1180    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1181      NOTE: change ptracer diagnostics name: use 2 characters to work with
1182            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1183    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1184      becomes the coordinate variable for the 'T' dimension
1185    o add CF-style coordinate variables to MNC
1186      - just a first cut:  numbers are meaningless on the cubesphere and
1187        missing along the T axis but otherwise it works!
1188    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1189    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1190    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1191      this is based directly on what the model compute, so that the content of
1192      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1193    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1194    o clean up build options files for SunOS, in particular
1195      - remove -traditional from xmakedepend
1196      - change -xarch=v9 to -xarch=native for f77
1197      - restore use of make (not gmake)
1198      - add CC=gcc if using g77
1199    o changes per discussion of AM, JMC, & EH3 today:
1200      - move redundant "grid" variables out of "state" -- in preparation of
1201        creating proper CF-style coordinate variables and in recognition
1202        that any/all grid variables can be easily copied (eg. w/NCO) from
1203        the grid files into any of the other NetCDF files
1204      - *always* output grid variables with MDSIO (this will eventually be
1205        changed)
1206      - output MNC grid file if useMNC is true
1207    o every instance of _END_MASTER() has been found and replaced with
1208      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1209      preprocessors
1210    o re-arrange diagnostics pkg initialisation:
1211     - allow each package to extend the available diagnostics list
1212     - add some checking and fix small problems (multi-threaded, ...)
1213     - new S/R diagnostics_fill (replace fill_diagnostics):
1214       look through the short list of active diag. (instead of the long list)
1215       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1216    
1217    checkpoint57a_post
1218    o this set of changes restores TAMC compatibility
1219      tested for global_ocean.90x40x15 adjoint on trough
1220      (what a pain)
1221    
1222    checkpoint57a_pre
1223    o some modifs in tools/build_options for sunos
1224    o call ctrl_pack for ctrl at end for optimcycle=0
1225    
1226    checkpoint57
1227    o add horizontal bi-harmonic viscosity for vertical velocity
1228      - new parameter viscA4W (defaults to viscA4)
1229      - affects only non-hydrostatic code
1230      - to be done: no-slip lateral boundary conditions
1231    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1232    o implement Implicit Vertical advection for pTracers
1233    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1234      (implemented also for implicit vertical diffusion & advection)
1235    o OBCS: extend application of tracer open boundary conditions
1236      to a strip beyond the boundary of width Olx/Oly
1237    o add call monitor to TAF set of required calls (flow directives)
1238      and include in natl_box_adjoint
1239    o untangle a few ifdefs related to cost, ctrl, autodiff
1240      untangel a few ALLOW_ECCO_OPTIMIZATION
1241    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1242      (theta2, salt2 in ecco_cost_weights)
1243    
1244    checkpoint56c_post
1245    o OBCS as control variables
1246      - update ctrl_ad_diff.list, obcs_ad_diff.list
1247      - remove balance of obcs controls from default
1248      - fix index bug nobcs in ctrl_init
1249      - fix dummy fields filen in ctrl_pack
1250      - add dummy weights for obcs
1251    o lsopt: comment out fort.94 output
1252    o optim:
1253      - remove unnecessary header files
1254      - adjusted namelists
1255      - add xerbla.F to Makefile
1256    o exf:
1257      - multiple modifications of exf_check_range
1258      - unit change in exf_init_runoff from [m/year] to [m/s]
1259    o mdsio:
1260      - i/o-vector change debugLevel from debLevA to debLevB
1261    
1262    checkpoint56b_post
1263    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1264      is called from DO_THE_MODEL_IO
1265      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1266      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1267      - clean up PTRACERS_WRITE_TIMEAVE a little
1268    o add another verification experiment that tests both the cfc-pkg and
1269      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1270      reactive tendencies treated inline with regular timestepping
1271    o testreport previously did a lousy job of comparing small numbers, so
1272      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1273      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1274      testreport.
1275    o ptracers_monitor: bug fix for MPI
1276    
1277    checkpoint56a_post
1278    o GCHEM: finish reorganizating the package
1279      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1280        (introduces another 3D-array for each passive tracer, but only if
1281        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1282        gchemTendency is not needed because the timestep is done separately)
1283      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1284      - GCHEM is now---more or less cleanly---separate from PTRACERS
1285      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1286        so clear to me how that should be done in a general way.
1287    o CFC: improve formatting of output in CFC_ATMOS
1288    o PTRACERS:
1289      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1290        that ALL experiments with ptracers enable can be checked. This makes
1291        GCHEM_MONITOR obsolete.
1292      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1293        monitorFreq
1294      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1295    o add PTRACERS (PTR0[1-5]) to testreport output
1296    o exf_check_range:
1297      * default changed to .TRUE.
1298      * will check values for niter0 if debLevA, every timestep if debLevB
1299      * STOP in exf_check_range if 'out of range'
1300      * range chosen generous to allow for potential extema
1301      TBD: a version with stricter range
1302           permitted range would be runtime parameters
1303  o GMredi:  o GMredi:
1304    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1305    - 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 1308  o GCHEM:
1308    - 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
1309      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1310    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1311      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1312        this flag is now only visible within GCHEM-pkg routines.
1313      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1314        be replaced by a 3D array that is computed before thermodynamics; for
1315        this, the tracer ID iTracer had to be included into the parameter list
1316        of ptracers_forcing
1317      - set up forward_step to call gchem_forcing, that will replace
1318        gchem_forcing_int in ptracers_forcing
1319      - cleaning up
1320  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
1321    
1322  checkpoint56  checkpoint56

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