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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.832 by mlosch, Wed Jun 6 14:37:14 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:
8     - make sure that seaice does not move if not forced (pressure replacement
9       method, Hibler and Ip, 1995), changes results
10     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
11     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
12       It is turned off by default (=-1.), because it changes the results.
13     - make it possible to read AREA from a file, too.
14    
15    checkpoint59c
16    o add S/R and diagnostics for oceanic mixed-layer depth
17    o move GMRedi call after all vertical mixing schemes (including KPP)
18    o pkg/thsice:
19     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
20      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
21    o pkg/obcs:
22     - bug fix for balance code
23    o pkg/seaice:
24      - allow values of SEAICE_elasticParm > 1
25      - add new parameter SEAICE_evpTauRelax as an alternative
26        to SEAICE_elasticParm
27      - make lsr boundary conditions free slip (by default), changes result
28      - add code for no slip boundary conditions for lsr
29      - set minimum of zeta to zero (and not 4e8) (changes results)
30      - add a cap on AREA after advecting AREA if seaice_growth is not called
31    o change calculation of Visbeck K:
32      - no longer depend on tapering scheme; instead, compute slope (limited
33        by GM_maxSlope). this is equivalent to what was comuted before with
34        clipping or linear tappering.
35      - fix vertical averaging (wrong by 1/2 level)
36      - leave the old version (but will not be maintained) within
37        #ifdef OLD_VISBECK_CALC / #endif
38      - update output of exp. ideal_2D_oce
39    o change error catch in calc_r_star to improve vectorization
40    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
41      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
42    o adjoint:
43      Re-organized adjoint checkpointing according to Matt Mazloff
44      (but with modifs/completions/cleanups)
45      Storing is now bundled into large arrays to optimized I/O
46      (and second step in cleanup of the_main_loop)
47    
48    checkpoint59b
49    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
50      - export/import (between ocean & coupler) fields needed for ocean DIC.
51    o pkg/seaice:
52      - get rid of three more exchanges seaice_calc_viscosities (required
53        different loop boundaries in seaice_lsr and seaice_ocean_stress)
54      - bug fix in seaice_ocean_stress (update of lab_sea required)
55      - reduce loop boundaries to necessary minimum also in seaice_evp
56      - go back to the old way of computing deltaC/Z as the adjoint likes that
57        better
58    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
59      passive tracer to an Age Tracer) + update output.txt
60    o pkg/exf:
61      - implement A-grid / C-grid selection for wind-stress input files.
62      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
63      for now, in exf_bulk_largeyeager04.F only :
64      - change implementation for case where windspeed + 2. components wind-stress
65        are read-in. AND use rhoConstFresh to convert evap.
66    o pkg/seaice:
67      - use correct EXCH_UV for wind-forcing (on A-grid).
68      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
69        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
70    o pkg/exf:
71      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
72      EXF_INTERPOLATION:
73      - merge global_with_exf/code version of exf_interp_read.F
74        to the main code ;
75      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
76        reading the file ; Important: This options needs to be defined to recover
77        previous code.
78        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
79      - no longer loose real*8 precision along the way when using exf_iprec=64.
80    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
81      - change discretisation of evp-solver in order to avoid another exchange
82        (changes lab_sea) and clean up a little
83      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
84        help the adjoint (this also changes the results slightly)
85      - add a few "_d 0" where they had been missing in seaice_evp.F
86      - cleaning up: remove unused seaice_calc_rhs.F
87    o pkg/exf: some cleaning-up:
88      - change various "constants" into runtime parameters
89      - cleaned-up Large&Yeager04 routine which should eventually
90        replace exf_bulkformulae.F (changed names of S/R and CPP)
91        and merged various ALLOW_ATM_WIND options
92     only used with thsice pkg (in thsice_get_exf.F):
93      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
94        which are used when useStabilityFct_overIce=TRUE (= the default)
95      - change default values of ice & snow emissivity and scale downward LW
96        by ice & snow emissivity.
97    o pkg/thsice:
98     fix few little problems, in thsice_calc_thickn.F:
99      - growth vertically (and not laterally) if iceFrac == iceMaskMax
100      - melt only laterally if hIce < hThinIce (as the comments say)
101      and in thsice_extend.F:
102      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
103      - start to form ice as soon as the minimum ice-volume is reachable.
104     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
105      and cpl_aim+ocn
106    o pkg/kpp
107     - move computation of surface related input fields to KPP into a new
108       subroutine kpp_forcing_surf.F
109     - remove wrong (within bi,bj loops) EXCH calls.
110     - little cleaning (add argument myThid in last position, cvs header ...)
111     - for now, fix conservation problem by exchanging KPPviscAz (may not
112       be the best fix)
113    o pkg/seaice
114     - check for inconsistent evp parameter/cpp-flag combination
115     - remove leftover errIO flat for obsolete name list error handling
116    o OpenAD
117     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
118    
119    checkpoint59a
120    o pkg/seaice: some parameter clarifications and a little bit of clean up
121    o pkg/thsice: rename run-time parameters:
122       himin       -> hIceMin
123       himin0      -> hThinIce
124       hihig       -> hThickIce
125       i0          -> i0swFrac
126       transCoef   -> bMeltCoef
127       frac_energy -> fracMelting
128      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
129       with default values (for now) that do not change the results.
130      remove old version of thsice vars advection in pkg/seaice.
131    o in FFIELDS.h:
132      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
133      - make pLoad & sIceLoad always available (but still only used if
134         ATMOSPHERIC_LOADING is #define).
135    o pkg/kpp: replaced _KPP_RL with _RL
136    o bug fixes for vertical diffusivity computations when both KPP and
137        3D diffusivity arrays are used.
138    o pkg/seaice: fix bug in evp solver, while doing that
139      - change (improve?) discretization of stress computations for both
140        cgrid-lsr and evp solver
141      - add a new routine to compute strain rates
142      - the above changes lab_sea results
143      - add no slip conditions for evp solver (off by default), lsr-version
144        may follow
145      - fix exchange for shear at Z-points (does not change lab_sea)
146      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
147        (to force the user to pick a time step since there is not "safe" way
148        of choosing it)
149      - add principal stress diagnostics
150      - rearrange fields for evp a little to avoid having to call a: too many
151        exchanges and b: exchanges for stress trensor components which we do
152        not have.
153      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
154        of evp, complete rewrite for lsr case (latter is does not yet work
155        in all cases)
156    o pkg/kpp: add code to have mixing in shelf ice caverns
157      - add myThid to all kpp routines (long overdue)
158    
159    checkpoint59
160    o pkg/exf:
161      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
162        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
163      - move exf header files from lower_case.h to UPPER_CASE.h ;
164        add missing cvs Header & Name
165      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
166      - add namelist param. selectStressGridPosition, exf_monFreq
167      - retire many _CLIM routines, and remove data.exf_clim
168        + params moved to data.exf
169        + climsst, climsss now handled by exf_set_gen, i.e.
170          climss?period=0 refers to constant field,
171          climss?period=-12 to monthly forcing
172      - split up namelists in data.exf
173    o pkg/seaice:
174      - remove seaice_exch and seaice_exch_uv
175      - remove superfluous exchange of theta
176      - add myThid to seaice_budget_ocean/ice
177      - add new interface for atmospheric wind forcing (C-grid only)
178        + new routine
179        + two new field (taux, tauy for stress over ice)
180        + removed one global field (DAIRN) for C-grid case only
181    o pkg/thsise
182      - 2nd set of modifs for thsice adjoint in conjunction with exf
183    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
184    
185    checkpoint58y_post
186    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
187      vertical diffusivity, similar to that in MOM4; turned on using
188      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
189      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
190    o Added capability for 3D specification of background vertical diffusion
191      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
192      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
193      "data" file that contains the 3D vertical diffusivity coefficients.
194    o ice dynamics (pkg/seaice) with thsice thermodynamics:
195      - add code within pkg thsice to advect & diffuse sea-ice fields
196      similar to (and will replace) what has been added in  seaice_advdiff.F,
197      but: - conserving Mass, Heat & Salt.
198           - better when using non-linear advection scheme (not yet fully tested)
199           - can also be used in atmospheric set-up (for now, only the diffusion).
200    
201    checkpoint58x_post
202    o IO option for global-file compact format:
203      - add options when generating topology (utils/exch2/matlab-topology-generator)
204      - add I/O capability (pkg/mdsio).
205      - adapt utils/matlab/rdmds.m to read this format.
206      for now long-line format not yet supported by pkg/mdsio (& exch2).
207    o shelfice: add a few diagnostics
208    
209    checkpoint58w_post
210    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
211      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
212      (and replace horiVertRatio in NH code).
213      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
214                         and tutorial_plume_on_slope (sensitive to truncation)
215    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
216      directly to drive seaice model (C-grid only)
217    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
218     - reintroduce computation of wind from stress,
219     - compute tau (in exf_bulkformulae.F) from windstress averaged to
220       mass points to avoid tau = 0
221     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
222    o rdmnc.m: make it work with "global" files created with gluemnc
223    o rdmnc.m : some improvements in dealing with singleton dimension
224      (tested on all testreport mnc output files).
225    o genmake2: disable pkg/profiles if netcdf test fails.
226    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
227    o move call to cal_readparms up to make calendar parameters/variable available
228      to all packages
229    
230    checkpoint58v_post
231    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
232      useDynP_inEos_Zc tested.
233    o pkg/exf: changes to properly interpolate/mask/scale initial fields
234    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
235      and portions thereof.  See read_cs.txt for description and examples.
236    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
237      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
238      following the great-circle arc between those 2 points.
239    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
240      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
241    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
242     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
243     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
244     - still needs work (not working with some options ; efficiency to improve)
245       and serious testing.
246     - use this scheme for temperature & salinity in 2 advection test exp.:
247       advect_xy & advect_xz, respectively.
248    
249    checkpoint58u_post
250    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
251    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
252    o testreport: add option "-skipdir" to skip some test.
253    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
254      momentum calculation.
255    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
256    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
257      remove checkpoint.F and the_correction_step.F (no longer used);
258      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
259    o add option (linFSConserveTr) to correct for tracer source/sink due to
260      Linear Free surface
261    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
262    o pkg/thsice: fix reading mnc-pickups
263    
264    checkpoint58t_post
265    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
266    o pkg/mdsio:
267     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
268       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
269       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
270     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
271     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
272       either MDS_READ_FIELD or MDS_WRITE_FIELD )
273     - new S/R (to replace MDSWRITEMETA), which allows to write more
274       informations (variable names, time ...) to meta files.
275     - modify rdmds.m to give back the meta file content.
276    o pkg/diagnostics: change vertical interpolation to be safer, and more
277       flexible (define p-levels to interpolate to in data.diagnostics);
278      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
279       diagnostic pointer.
280    o pkg/seaice: more cleaning up of seaice_growth, added many comments
281    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
282    o fix multi-category seaice:
283     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
284       SEAICE_MULTICATEGORY
285     - fix short wave heat flux
286    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
287       and allow to use EVP solver. Change forward lab_sea: test both EVP
288       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
289    o Initial check-in of lab_sea adjoint
290      (very similar to natl_box_adjoint/code_seaice)
291      * used C-grid and EVP solver
292      * used KPP, GM/Redi
293      * uses inAdExact=.TRUE.
294      * gradient checks fail for both ADM and TLM
295        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
296        f.d. gradients actually seem more problematic than ADM, TLM gradients;
297        issue is related to forward mismatch between g77 an ifort
298    o pkg/seaice: overhaul of thermodynamics
299     - growth.F and groatb.F are replaced by new routine seaice_growth.F
300     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
301     - move a few global fields out of SEAICE.h into seaice_growth.F and
302       make them 2D (FICE/QNETO/ ...)
303     - remove FO (it is the same as QNETO)
304     - introduce a few local fields to avoid modifying external fields such
305       as atemp, etc.
306    
307    checkpoint58s_post
308    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
309      changed exf_set_gen.F so that
310        genperiod=0 means input file is one time-constant field and
311        genperiod=-12 means input file contains 12 monthly means
312    o CG2D: use pre-computed solver main-diagonal (stored in common block);
313      this affects truncation error ; generate new output file for exp. which
314      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
315        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
316        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
317        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
318        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
319        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
320    o start implementation of deep-atmosphere and anelastic formulation
321    o verification: remove 2nd copy of input files and use script "prepare_run"
322      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
323    o mom_common/vecinv/fluxform: fix a few initialisation isssues
324    o profiles: fix for multithreaded case
325    
326    o diagnostics: rename few diags:
327      s/'PRESSURE'/'RCENTER '/g
328      s/'TICE    '/'oceFreez'/g
329      s/'TAUX    '/'oceTAUX '/g
330      s/'TAUY    '/'oceTAUY '/g
331      s/'SWFLUX  '/'oceQsw  '/g
332      s/DIFx/DFxE/g
333      s/DIFy/DFyE/g
334      and add few ocean-forcing diagnostics:
335      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
336    o modifications to pkg/seaice/growth.F and budget.F, which change results of
337      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
338      as actual snow thickness.  It now refers everywhere to effective snow
339      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
340    
341    checkpoint58r_post
342    o modifications to pkg/seaice/growth.F, which change results of
343      lab_sea experiment: fixes pertain to melting snow over open water, to
344      masking EVAP under sea ice, and to using the correct AREA variable for
345      computations of EVAP, PRECIP, HSNOW, and GHEFF
346    o add ability to read bathy, salt, and theta using MNC (off by def)
347    o add flooding algorithm and advection of HSNOW for pkg/seaice;
348      both are turned off by default and do no change any results
349    o seaice advection with pkg/thsice: a step toward the use of non-linear
350      advection scheme, but #ifdef or commented out for now (requires more EXCH).
351    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
352      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
353      in natl_box (affects results @ truncation level: update output.txt)
354    o multi-threading and IO:
355      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
356      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
357        (needed to work with SingleCpuIO): tested in all verif. exp.
358    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
359      affects the results (but none of the verification test uses this scheme).
360    o Adding some pkg/diagnostics capability to pkg/seaice
361      (will certainly be subject to changes)
362    o ctrl: adding new control variables:
363      lwflux, lwdown, evap, snowprecip, apressure, runoff
364    
365    checkpoint58q_post
366    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
367      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
368      high_res_cube configuration by 4% on Columbia.
369    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
370      add (in global_with_exf/code) a version of EXF_INTERP_READ without
371      dynamical allocation (seems to work in multi-threaded).
372    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
373      single CPU io) so that TAF does not have to see EESUPPORT.h
374    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
375    
376    checkpoint58p_post
377    o obcs: stop if obcs is used with useCDscheme = .true.
378    o shelfice:
379     - fix a sign error so that no slip at shelfice interface works
380     - remove stop for combination non-hydrostatic code and shelfice. That does
381       not mean, that the results are correct, but at least they are numerically
382       stable
383    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
384    o added adjoint exch routined for all exch*3d* routines
385      and updated flow directives
386    
387    checkpoint58o_post
388    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
389      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
390    o change controling S/R for writing pickup file (new S/R do_write_pickup)
391      and clean-up reading/writing of pickup files.
392    o fix local version of read/write pickup (NH part) in rotating_tank/code
393    o simplify EXCH interface:
394     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
395     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
396    o added the regrid package
397    o shelfice:
398     - add a simple boundary layer scheme to reduce noise
399     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
400    
401    checkpoint58n_post
402    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
403       local variable (not in common block).
404    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
405      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
406      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
407        to work with SingleCpuIO.
408    o add "_d 0" to real constant of pkg/cfc subroutines ;
409       update exp. cfc_exemple & tutorial_cfc_offline output files.
410    o multi-threading and IO:
411      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
412        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
413      - barrier before and after reading.
414      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
415      - avoid using MDS_WRITELOCAL for LAND pkg output.
416      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
417        common-block variables ; Allows multi-threading with master-thread IO.
418    o change default MAX_NO_THREADS from 32 to 4 ;
419      and stop cleanly when MAX_NO_THREADS is too small.
420    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
421    
422    checkpoint58m_post
423    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
424       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
425    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
426       keep global_ocean.90x40x15 (for AD testing) with former secondary test
427       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
428    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
429        add MITgcm_tutorials (= code + all the tutorials)
430    o ecco, option to compute cost for total ssh (mean+anom)
431    o consistent with addition of ptracer and ssh in pkg/profiles
432    o profiles: adding ptracer and ssh
433    o testreport: change multi-test output-file name
434      (from output.txt.{name} to output.{name}.txt)
435    o profiles: now ok for mutli-tiles case
436    o seaice: add 4 parameters for different advection schemes for area,
437      (effective) seaice thickness, enthalphy, and snow height. Their default
438      is the standard parameter SEAICEadvScheme
439    o calc_gw:
440     - add cosFacU in zonal viscous flux (harmonic.visc.).
441     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
442       of tutorial_plume_on_slope.
443    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
444    o calc_gw: true flux-form, account for horizontal grid spacing.
445      update rotating_tank results, but not plume_on_slope (affected at
446      truncation level, 11 digits).
447    
448    checkpoint58l_post
449    o calc_gw:
450     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
451     - remove side-drag for now (need to fix it); update plume_on_slope results.
452     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
453    o commit code to make SST/SSS weights spatially variable
454      (based on either variable in-situ or variable initial T/S weights)
455    o pkg/ecco:
456      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
457        now based on horizontally varying weights wthetaLev, wsaltLev
458      * cost_averagesflags now returns year indices in addition to day, month
459      * sflux balance is performed on annual basis
460        (sflxumm, sfluxmm2, bal_sfluxmm)
461      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
462        including separate counting and multipliers
463    o pkg/rbcs
464      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
465    
466    checkpoint58k_post
467    o testreport:
468     - always build in dir. "build" (if not there, mkdir build instead of building
469       & running in input)
470     - run in dir run (if it exists), in build otherwise.
471     - call prepare_run (if input/prepare_run exists)
472     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
473    o pkg/exf modifications to interpolation and rotation routines for more
474       reasonable treatment of North Pole singularity: for tracers North Pole
475       value is set to northernmost zonal-mean value, for zonal velocity it is
476       set to zero, and for meridional velocity it is set to northernmost value.
477    o pkg/exf/exf_check_range.F
478     - add tile index to diagnostics and move stop statement to the very
479       end of the routine.
480    o pkg/diagnostics: (diagnostics_main_init.F)
481      define title of isomorphic variables according to the current config.
482    o pkg/thsice with pkg/seaice dynamics:
483    - fix domain of computation (interior only, required for exf) and do exchanges
484    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
485    o towards a standard way of dealing with multi-threading in MONITOR
486      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
487    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
488       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
489    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
490    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
491    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
492       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
493    o tracer advection:
494     - clean-up and simplify calc_common_factors.F
495     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
496       advection subroutine (but still not used within DST advection S/R)
497    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
498    
499    checkpoint58j_post
500    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
501      from file (collects calls previously in FORWARD_STEP)
502    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
503    o adjoint store dir. adjusted accordingly
504    o genmake2
505      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
506    
507    checkpoint58i_post
508    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
509      on wind stress (SEAICEstressFactor defaults to 1.)
510    o Total number of Timers is finite (<=40): comment out 2 non-essential one
511      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
512    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
513      on CS-grid: no longer loosing mass.
514    o exf & curvilinear-grid: no longer modify longitude xC & xG.
515    o pkg/ggl90: fix sloppy output and fix a bug
516    o pkg/seaice: added SEAICEuseEVPpickup parameter
517      - Set to false in order to start EVP solver with
518        non-EVP pickup files when using SEAICEuseEVP
519      - fix sign error in diffusion in seaice_calc_rhs
520    
521    checkpoint58h_post
522    * Modifications for bottom topography control
523      o replace hFacC by _hFacC at various places
524      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
525      o add non-self-adjoint cg2d_nsa
526      o update autodiff support routines
527      o re-initialise hfac after ctrl_depth_ini
528      o works for 5x5 box, doesnt work for global_ocean.90x40x15
529    * Adding verification for 5x5 box (4-layer) bottom topography control
530    
531    checkpoint58g_post
532    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
533       used for mean seasonal cycle, mean diurnal cycle); add an example
534       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
535    o pkg/ggl90:
536      - add parameter (minimum surface kinetic energy)
537      - fix bug (avoiding division by zero)
538    o couple pkg/thsice to pkg/seaice:
539      - modify advection in seaice to accomodate new scalar fields to be advected
540      - only muliDimAdection scheme work with seaice/thsice
541      - mapping of thsice-variables to seaice-variables, back and forth
542      - does not break the verification experiments, but does not give the
543        desired results either
544    o pkg/seaice
545      - make (default) second order advection a bit less confusing?
546    
547    checkpoint58f_post
548    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
549      to pkg/seaice):
550      - new routines thsice_map_exf and thsice_get_exf provide the interface
551      - add an additional formal parameter to thsice_solve4temp
552    o pkg/exf:
553      - add new fields wspeed, snowprecip (to be able to couple to thsice)
554      - correct Stefan-Boltzmann constant
555      - new parameter for longwave surface emittance
556      - separate some stuff from exf_bulkformulae into new routines  
557        exf_radiation, exf_wind
558      - add new parameters and constants: longwave emissivity for ocean, ice
559        and snow, evaporation parameters over ice
560      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
561        either wind from stress or stress from wind
562    o pkg/thSIce:
563    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
564    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
565       and THSICE_CALC_THICKN
566    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
567    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
568      to make debugging easier.
569    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
570    o pkg/bulk_force:
571      - clean-up comments and parameters ;
572      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
573    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
574      generate new output for test-experiment: aim.5l_cs.thSI
575    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
576      testreport accordingly
577    
578    checkpoint58e_post
579    o SEAICE_CGRID adjoint done
580    o R_STAR adjoint implemented.
581      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
582      * need to sort out init. of h0facc, etc.
583    o Make pkg/profile fully independent of ecco,cost, etc. stuff
584      to be able to use it in pure forward.
585    
586    checkpoint58d_post
587    o upgrade simple test-experiment to tutorial example:
588     step.1: duplicate the experiment and (step.2) will remove the old copy.
589      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
590      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
591      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
592      tutorial_global_oce_biogeo    <- copy of dic_example
593      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
594      tutorial_plume_on_slope       <- copy of plume_on_slope
595      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
596      tutorial_global_oce_optim     <- empty for now (David ?)
597      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
598     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
599    o correct a sign problem in cost_scat.F
600    o obcs and ptracers: fix boundary conditions for advections schemes
601      with larger stencil
602    o thsice adjoint: start
603    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
604      completeness
605    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
606      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
607    o ptracers adjoint:
608      * avoid extensive recomputatations
609      * fix missing re-init. of gptr (missed by TAF)
610    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
611      me to turn off the excessive output to STDOUT that this package produces
612    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
613      and add those terms in Vector-Invariant formulation.
614    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
615      if the control period (xx_hfluxperiod etc) is 0
616    o in profiles pkg, clean routines and fix details
617    o in ecco pkg, reading ssh data:
618      fix problem in case the model does not start at iter0=0
619    o fix mnc-pickup/restart for ptracers
620    o new package prifiles:
621      code to compute profile-based cost by Gael Forget
622      (modifs in ecco, ctrl, autodiff)
623    o Benign bug fix in initialization (spotted by M. Mazloff) of
624      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
625    
626    checkpoint58c_post
627    o adjoint: finish NLFS adjoint and provide reference output in
628      verification/global_ocean.90x40x15/results_ad_nlfs
629    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
630      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
631      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
632      with SEAICE_CGRID defined.
633    o move calendarDumps from "data" to "data.cal" and clean-up the code
634      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
635    o add useEXF & useCAL flags (for now, set in hard-coded way)
636    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
637      (were missing in NH mode, and wrong in quasihydrostatic mode).
638      waiting for Chris updated version of calc_gw to add those CALLs.
639    o fix bug in quasihydrostatic S/R ;
640      add a test for this option: global_ocean.90x40x15.qshyd
641    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
642      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
643    o add on/off flag useOffLine for package OFFLINE
644    o seaice:
645      - modify advection so that it works also on the C-grid
646      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
647        problem in multi-tile runs with C-grid
648      - add flags for clipping ice velocities and/or masking solver forcing
649      - fix drag (ocean on ice) formulation and a bug that caused noise in the
650        C-grid solver
651      - added a few comments to seaice_diffusion.F
652      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
653        are now exclusive)
654      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
655        required re-ordering the code a little:
656       + make DAIRN global variable (defined in SEAICE)
657       + move computation of the viscosities eta and zeta into a new separate
658         routine (because I need to recompute them in seaice_ocean_stress.F)
659    
660    checkpoint58b_post
661    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
662      update output.txt of exp. aim.5l_cs.thSI
663    o various mnc cleanups and improvements:
664      + shrink lookup tables by factor of ~4
665      + better error reporting when running out of lookup space
666      + able to handle longer path/file names (up to 500 chars)
667    o adjoint:
668      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
669      - TBD: "hidden" mom_vecinv recomp. in dynamics
670    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
671     (allow to differentiate between forcing components using new integer flags:
672      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
673     and add new flag to put Dissipation tendency out of Adams-Bashforth.
674    o ecco
675      - enable trend removal from SSH anomaly obs.
676    o adjoint
677      - a fix for PmEpR when #undef EXACT_CONSERV
678      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
679      - try to fix "hidden" recomp. in forward_step for NLFS
680        (NLFS seems broken sometimes after I checked it in)
681    o seaice:
682     - add c-grid version of the dynamic solver:
683       + three new routines that are the c-grid substitute lsr, dynsolver
684         and ostres
685       + put a few fields that were local to dynsolver into global common
686         blocks, so that I can move the computation of stresses etc into
687         seaice_lsr (saves coding but may break the adjoint).
688     - replace more hardwired parameters by runtime parameters
689     - add ice masks that mask the rhs of the implicit solvers where there
690       is no ice (commented out in seaice_dynsolver, because i am not sure
691       if this works properly), eventually this should replace the clipping
692       of ice velocities in seaice_dynsolver to +/-40cm/s.
693    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
694      include it only where its needed
695    o move balancing of fluxes before the call of external_forcing_surf
696    o seaice:
697      - correct units of turning angles (now they are really in degrees)
698      - move computation of GWATX/Y out of main routine into dynsolver
699      - initialize GWATX/Y in seaice_init
700    o Apply mask on Fresh-Water flux (needed for SSH forcing).
701      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
702    o seaice: add runtime flags for turning angles (default to zero)
703    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
704      and trend from exf forcing and ctrl control adjustments
705    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
706      (since checkpoint57x_post)
707    o change the default rotation period to 86164.s = the Earth rotation
708    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
709      and based on a reference stratification. Tested within hs94.cs-32x32x5.
710    o seaice advection: add code for choosing between the default (2nd order
711      central differences) and multiDim advection schemes provided by
712      pkg/generic_advdiff
713    o seaice:
714      - removed all references to SEAICE_GRID.h fields from
715        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
716        (cubed-sphere configuration will change a little)
717      - grid computations in seaice_init are obsolete now.
718      - cleaned up code a little so that is easier to read (hopefully).
719      - added new (better?) discretizations of default advection and diffusion
720        (turn on with SEAICEuseFluxForm)
721      - replace 1 in 3d global fields by kSurface in growth.F
722      
723    checkpoint58a_post
724    o seaice:
725      - bug fix in advect.F
726    o shelfice:
727      - separate shelfice load anomaly from pload (breaks with time
728        dependent forcing), => introduce constant field shelficeLoadAnomaly.
729        Its default is 0., but it may be computed more cleverly from (unknown)
730        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
731        done offline. A good approximation of the pressure load anomaly is
732        necessary to avoid large initial adjustment processes underneath
733        deep-reaching shelfice.
734      - small fix in ISOMIP shelfice_thermodynamics
735      - add more sophisticated thermodynamics of Hellmer (1989), this is
736        now the default
737      - give a few constants more intuitive names
738    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
739      if bulk formulae are used in long integration (especially EmPmR). Turn
740      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
741      if balancePrintMean, the imbalance that is substracted is printed to
742      STDOUT.
743    o fix bug (typo) in obcs_apply_eta.F
744    o add a new package shelfice which enables us to model the circulation
745      underneath shelf-ice with draughts of hundreds of meters.
746     - works
747     - to do: + include improved thermodynamics
748              + check whether kSurfC (from model/inc/SURFACE.h) can be used
749                instead of new field kTopC
750              + can we use topoFile, Ro_surf and existing code in ini_depth.F
751                instead of new field R_shelfIce and new code in ini_depth.F
752                and ini_mask_etc.F?
753              + adjust vertical mixing schemes?
754    o seaice pkg:
755     - add a cpp-flag to include a simple formula for a salinity dependent
756       freezing point of sea water at the surface
757     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
758       meridional stresses are now different (and hopefully correct)
759    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
760       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
761       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
762    o pkg/diagnostics: add options and parameters for regional-statistics
763       diagnostics ; define regions by reading a region-mask from a file
764       (might add other options later)
765    o pkg/bulk_force:
766     - add option and parameters to use AIM surface-flux formulae.
767     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
768       others forcing fields (defined in PARM05, parameter file "data") are loaded
769       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
770     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
771     - use the right EXCH call for uwind,vwind (to work on CS-grid).
772     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
773       and parameters (note: calcWindStress replaces .NOT.readwindstress).
774     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
775    
776    checkpoint58
777    o add "--embed-source" option to genmake2 which, when the supporting
778      tools can be compiled (as determined by genmake2) will turn on the
779      embed_files package which then embeds the entire MITgcm source code
780      (*.[fFhc] + Makefile) used for the build within the executable
781      - requested by CNH but off by default
782      - adds a paltry <9MB to the mitgcmuv executable in most cases
783      - only writes the output when useEMBEDSRC in eedata is true
784    o clean up 3-dim. relaxation codes:
785      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
786      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
787      * Thanks to Tom Haine for testing!
788    
789    checkpoint57z_post
790    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
791      affects output (@ truncation level) of exp. plume_on_slope ; updated.
792    o fix the pickup behavior for obcs in combination with ptracers
793    o fix a bug in ptracers_external_fields_load
794    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
795      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
796    o transfered surface NH pressure to eta field (if exactConserv).
797    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
798         and update lab_sea output.txt file.
799    o completing 3-dim. relaxation code: additional term
800         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
801      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
802      * At compile time, in "EXF_OPTIONS.h" set
803          #define  ALLOW_CLIMTEMP_RELAXATION
804          #define  ALLOW_CLIMSALT_RELAXATION
805      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
806          tauThetaClimRelax3Dim = 15552000.0,
807          tauSaltClimRelax3Dim  = 15552000.0,
808      * 3 cases:
809          1) Use a constant-in-time 3-dim. field
810          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
811          3) Real-time relax. to time-evolving prescribed field
812    o Adding Laplacian-type smoothness constraint on
813      initial and boundary (forcing) controls (ic, bc)
814      * enable at compile-time via
815        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
816      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
817      * Absolute scale somewhat unclear so far
818      * no area weighting was included since no other cost term does so far
819    
820    checkpoint57y_post
821    First step for a NLFS adjoint
822    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
823    o new init. routines for calc_r_star, calc_surf_dr
824    o still need to deal with ini_masks_etc
825    o testreport seemed happy
826    checkpoint57y_pre
827    
828    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
829    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
830    o add new offset feature to offline pkg (plus minor cleanup)
831    o cfc fixes for final year of integration
832    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
833      be in GCHEM_OPTIONS).
834    
835    checkpoint57x_post
836    o fix testreport Pb in multiple test experiment.
837    o cleanup our namelist syntax in verification:
838      - make it more F95 standards compliant (some work still needed)
839      - allows the vast majority of our tests to work with gfortran
840    o Non-Hydrostatic:
841     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
842     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
843    o Allow to apply AB on T,S rather than on AB(gT,gS):
844     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
845     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
846       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
847     - need a "clever" read_pickup to restart from the other AB formulation
848    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
849    o remove some unused variables (reduces number of compiler warnings)
850    o adjoint
851      * Disable useVariableViscosity for adjoint for time being
852        (there are a number of extensive recomputations)
853      * Initialize certain variables needed for adjoint
854    
855    checkpoint57w_post
856    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
857                 fix the singleCpuIO RS version of MDSWRITEFIELD
858       and add a WARNING if using globalFiles=T with multi-processors.
859    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
860      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
861    o tracer advection scheme:
862      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
863       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
864       was not very convenient).
865      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
866       (further tests needed for the implicit DST & Flux-Limiter schemes).
867    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
868      and sRef for convenience, handy, when you want to initialize
869      ptracers in a large domain with a constant non-zero value. Also,
870      untangle ptracers_init.F a little.
871    
872    checkpoint57v_post
873    o change dome exp. to use variable viscosity in side-drag terms.
874    o remove all the files from the cfc_offline test since they are now
875      incorporated into tutorial_cfc_offline which has been producing
876      identical results for a few days of testing
877    o add new parameter: sideDragFactor to enable half-slip-side BC
878      and change side-drag S/R to use viscosity from mom_calc_visc
879      (can switch back by setting sideDragFactor=0.); affects results at
880      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
881       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
882    o vorticity & strain are now computed without masking, to account for
883      no-slip-side BC in variable viscosity calculation ; mask is applied
884      anyway later on, before computing advection/coriolis terms.
885    o modify exp4 to test new obcs support for reading from external files
886      and for passive tracers
887    o fix behavior of ptracers_monitor when monitor output is written to a
888      netcdf-file; still not independent of monitor.F (writes in the same
889      file).
890    o change default value of tRef (put a uniform, meaningful value for ocean
891      & atmos) and initialize sRef (was missing, as Martin mentioned).
892    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
893      to be proportional to enstrophy dissipation length.  Thus,
894       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
895      This is now consistent with Smagorinsky and with the manual.
896    
897    checkpoint57u_post
898    o OBCS and PTRACERS: add open boundary support for passive tracers
899      - either use homogenous (pseudo) v.Neumann conditions or prescribe
900        OB-values from file; this is not different from the way theta and salinity
901        are treated
902      - however, Orlanski-radiation conditions are not supported, and the model
903        will stop if you use pTracers and Orlanski at the same time.
904      - beefed up the rountine obcs_external_fields_load: now only those open
905        boundary values are overwritten with values from files for which there
906        are really files, otherwise the OB-fields remain untouched. This makes
907        it possible to use different OBs at different ends of the domain (as
908        with EXF)
909    o reduce number of exch calls in shap_filt (s2).
910    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
911      truncation level) 4/5 MLAdjust test results (11&12 digits match).
912    
913    checkpoint57t_post
914    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
915    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
916      same truncation, independent of the face number: affects affects several
917      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
918    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
919      note that biharmonic viscosity + no-slip was not tested in any experiment.
920    o fix bug in non-linear free-surf side-drag ; generate new output for
921      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
922    o make mnc honor the writeBinaryPrec flag for most kinds of output
923    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
924    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
925      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
926    o add brackets in multi-terms sum to get same truncation, independent of
927      the face number (manage to get exactly same value of gU,gV at the cs-edge)
928      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
929    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
930      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
931      a maximum grid-scale Reynolds number.  Also, changes all length calculations
932      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
933      Suggested values of viscosity parameters found in mom_calc_visc.
934      Many new viscosity diagnostics available.
935    
936    checkpoint57s_post
937    o Add clearing-house for viscosity calculations, mom_calc_visc and
938      correct numerous bugs in LeithD and Smagorinsky discretizations.  
939      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
940      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
941      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
942      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
943      The Strain-Tension form is now called with useStrainTensonVisc=.true.
944      ViscAhStrain and viscAhTension are now retired.
945    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
946    o In response to JMC's bug report, genmake2 now ignores any soft-links
947      that it finds in the *current* directory when searching for files.
948      Soft-links found in any other source directories will still work as
949      they did before.
950    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
951      a C routine to unlimit the stack size
952    o mnc-ify pkg/aim snapshot vars
953    o mnc-ify pkg/land as requested by Daniel
954    o various changes to mnc including:
955      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
956      - output can now be grouped so that all files within a group
957          change the ITER portion of their names in lock-step together
958      - can now read ("global") PER-FACE (in addition to PER-TILE) files
959          and works with both EXCH1 and EXCH2 (but needs more testing)
960      - writing works for all verification test cases w/ g77 on Linux
961    
962    checkpoint57r_post
963    o make MNC variable initialization happen earlier
964    o add diagnostics for (almost) each term of the momentum Eq.
965    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
966    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
967    o remove MINIMAL_TAVE_OUTPUT option ;
968      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
969    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
970      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
971    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
972    o add time-dependent SST, SSS control
973    o cost terms in ecco/ modularized (new cost_generic.F)
974    o cost_averages routines are modularized (new cost_averagesgeneric.F)
975    o new infrastructure for seaice model vs. obs misfits in seaice/
976      * driver from the_main_loop.F is seaice_cost_driver.F
977      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
978      * gradient check in Exp. 6a of natl_box_adjoint/
979    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
980      (see README file)
981    
982    checkpoint57q_post
983    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
984    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
985      - bug was reported by Jean-Michel and Ian Fenty
986    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
987      update exp. cpl_aim+ocn output.
988    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
989      Needed for high-res. runs with large global files
990      to be able to limit tapelev size
991    o Changed some tests for adjoint:
992      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
993      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
994      * global_ocean.90x40x15/ back to default 3-level checkpointing
995    o Modifications to enable scripted COMMON to MODULE conversion
996      * verification/OpenAD/code/ has necessary scripts and description;
997      * converts, compiles and runs successfully;
998    
999    checkpoint57p_post
1000    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1001    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1002      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1003    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1004    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1005      (was already the case for dissipation with mom_vecinv,
1006       and also the case for grad.PhiHyd when staggered-timeStep)
1007      This will allow to put dissipation out-off the AB time-stepping.
1008     Unfortunately, affects truncation error. Update output of exp. that "fails"
1009      (cg2d matching number) and leave the others for later: front_relax(10),
1010      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1011      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1012    
1013    checkpoint57o_post
1014    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1015      (2) its ready to be documented during the 20050801 DocFest
1016    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1017      for ideal_2D_oce and lab_sea on linux_ia32_g77
1018    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1019      in global1x1_tot/code_seaice_adj to access indices 32, 33
1020      (worth another tag)
1021    
1022    checkpoint57n_post
1023    o adding precip control xx_precip 32
1024    o adding swflux control xx_swflux 33
1025    o Replacing 10 forcing penalty cost routines by 1 generic.
1026    o Implementing partitioning in time-mean and variable adjustment
1027      for atmos. state.
1028    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1029    o in natl_box_adjoint:
1030      * updated exp 1 to 10
1031        (but does not have time-mean vs. variable split results yet)
1032    o updated global1x1/*_seaice_adj/
1033      to incorporate latest changes
1034    o enable useSingleCpuIO for mdsio vector routines
1035      (applies in particular to tapelev I/O)
1036    o removed inefficient K-loop in all active_file*control*.F
1037    
1038    checkpoint57m_post
1039    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
1040      and advect_cs (use EXCH-2 and standard cs-32 grid files).
1041    o pkg/exch2: filling of face-corner halo regions is optional
1042      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
1043    
1044    checkpoint57l_post
1045     tag before updating tutorials (pre-release-2)
1046    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
1047       for output and interpolation of input fields onto model grid)
1048    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
1049       Affects results of exp. rotating_tank ; update output.txt.
1050    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
1051          and taking the square quantity and/or using a fraction-weight field.
1052    o fix aim_diagnostics_init.F mate numbers.
1053    o add mnc output capability to diagnostics/diagstat and update
1054      our cvsignore files for the ACSII output generated
1055    
1056    checkpoint57k_post
1057    o lab_sea now uses diagnostics package and provides a suite of
1058      new EXF diagnostics output.
1059    
1060    checkpoint57j_post
1061    o exf
1062      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
1063        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
1064        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
1065      * extended diagnostics output
1066        - now includes all EXF variables
1067        - hs, hl moved to common block
1068        - separate S/R for diagnostics, called after ctrl vector is added
1069        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
1070        - EXFqnet contains true Qnet (i.e. includes qsw)
1071      * updated verif. lab_sea, global_with_exf
1072      * Rearranging hflux (exf_mapfields -> exf_getforcing)
1073        to ensure that diagnostics sees a true EXFqnet
1074    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
1075    o diagnostics pkg: change pointers so that 1 diagnostic can be used
1076      several times with different frequencies.
1077    o mnc-ify the thsice package as requested by Daniel Enderton
1078      - the monitor--MNC output needs work
1079      - many attributes need to be added (most are currently blank)
1080    o mnc-ify theaim_v23 package as requested by Daniel Enderton
1081      - many attributes need to be added (most are currently blank)
1082    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
1083    o add Sadourny like discretization to the 4th.O vorticity advection scheme
1084    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
1085      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
1086         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
1087    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
1088     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
1089    
1090    checkpoint57i_post
1091    o Diagnostics package was changed: diagnostic allocation is now deactivated
1092      by setting an empty file name in the namelist (used to be by setting 0 frequency)
1093    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
1094      add 1rst Order upwind vertical Shear.
1095    o add a quick fix for A/B checkpointing in OFFLINE mode
1096    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
1097      end-run around the C/Fortran linking horror in eesup/src/timers.F
1098    o added pkg/runclock: allows user to terminate run based on wall clock
1099    o added non-hydrostatic scaling parameter: nh_am2
1100    o pkg/my82: futile attempt to make results compiler-independent by adding
1101      some "_d 0", etc. no effect.
1102    o for mnc output, fill the 'T' coordinate var with myTime and create a
1103      separate 'iter' variable for iteration count
1104    o pkg/diagnostics:
1105      add new capability: output of Global/Regional & per-level statistics ;
1106      tested against monitor output (including land & thSIce) on various exp.
1107    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
1108    
1109    checkpoint57h_done
1110      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
1111      data.diagnostics, data.gchem, data.ptracers) is done.
1112    
1113    o pkg/diagnostics: prepare for Global/Regional statistics.
1114      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
1115    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
1116      and rename it: DIFFERENT_MULTIPLE
1117    
1118    checkpoint57h_post
1119    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
1120    o pkg/diagnostics: change output frequency, now in seconds (instead
1121      of Nb of iterations). This requires to change data.diagnostics.
1122    checkpoint57h_pre
1123    
1124    o in mnc, let the user create the output dir if both mnc_outdir_date
1125      and mnc_outdir_num are false
1126    o add fflags() to pkg/diagnostics which allows one to specify, on a
1127      per-file basis, the file precision [default behavior is unchanged]
1128    o added diagnostics to pkg/kpp, including computation of mixed layer
1129      depth based on a temperature/density criterion
1130    o updated verification/natl_box to test the new pkg/kpp diagnostics
1131    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
1132    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
1133    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
1134      not mnc -- this mistake was found by JMC and is now corrected
1135    
1136    checkpoint57g_post
1137    o add Adams-Bashforth 3rd Order time stepping:
1138      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
1139      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
1140    checkpoint57g_pre
1141    
1142    o make lambda[Theta,Salt]ClimRelax spatially varying
1143      (default remains spatially uniform constant based on tau)
1144    o added new control variables
1145      * init. uVel, vVel, etanN
1146      * lambda[Theta,Salt]ClimRelax
1147    o separate masks used for ctrl_pack/unpack 'from write_grid' output
1148      (suggested by G. Forget)
1149    
1150    checkpoint57f_post
1151    o add parameter "baseTime" = model base time = time at iteration zero
1152      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1153      account for baseTime shift
1154    o move Coriolis arrays from PARAMS.h to GRID.h
1155    checkpoint57f_pre
1156    
1157    o mnc-ifying the seaice package
1158    o introduced an alternative length scale calculation for use in the limiting
1159      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1160    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1161    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1162      as well as grad(vort3).  Made it compatible with both approximate form
1163      for the cubed sphere and full form of these gradients.  Added flag
1164      useFullLeith to select between approximate and full form.  
1165    o add "d0" in getcon.F to reduce differences between compilers/platforms
1166      update output.txt of exp. fizhi-gridalt-hs
1167    o change port_rand funtion to allow to set the seed.
1168    o fix obscure MNC bug involving conversion between reals and integers
1169      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1170        new version is now more standards-compliant
1171    o adjoint-related modifications
1172      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1173      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1174      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1175    
1176    checkpoint57e_post
1177    o Adding eddy stress controls a la Ferreira et al.
1178    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1179    
1180    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1181      update output.txt of exp. fizhi-gridalt-hs
1182    o add more "Z" dimensions and associated coordinate vars to MNC
1183    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1184    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1185      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1186      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1187      months and years.  Requires pkg/cal.
1188    o diagnostics: add pickup functionality
1189      - off by default for backwards compatibility
1190      - current version only uses MDSIO -- MNC will be added
1191    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1192    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1193    
1194    checkpoint57d_post
1195    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1196    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1197      output from the diagnostics package
1198    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1199    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1200      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1201    o add coordinate variables to the MNC output from the diagnostics package
1202    o change MNC-flags default value: true when useMNC=TRUE
1203    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1204      the ability (off by default) to read the grid information using MNC
1205    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1206    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1207    o do snap-shot diagnostics at the middle of the time-interval (instead of
1208      at the end).
1209    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1210      new test for AIM with thSIce + slab-ocean
1211    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1212    o move state variable diagnostics to the beginning of the time step ;
1213      (note: still needs some work specially for snap-shot diagnostics)
1214      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1215    
1216    checkpoint57c_post
1217    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1218    o generate new output.txt files on faulks with g77 & the new -ieee option
1219    checkpoint57c_pre
1220    
1221    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1222      update output.txt of exp. global_ocean.90x40x15
1223    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1224      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1225    o add saltFlux(+File) forcing capability with periodicExternalForcing
1226    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1227    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1228    o improvements for the MNC output from DIAGNOSTICS:
1229      - correct handling of the unlimitied dimension
1230      - all dims now have associated coordinate variables
1231      - variables located at U, V, and Corner ("Z") points are now written
1232        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1233        *all* data points are output
1234    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1235    o added pkg/seaice/seaice_monitor.F
1236    o mdsio_readfield.F can now read files visible only to master MPI process.
1237    o pkg/seaice: some test code for ice-modified ocean stress
1238    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1239      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1240      spurious negative numbers for precipitation and humidity.  Will cause
1241      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1242    o pkg/ctrl/
1243      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1244        May be enabled via doPackDiag
1245      *  introduce z-scaling of
1246         + gradient (doZscalePack) and
1247         + control (doZscaleUnpack)
1248    o pkg/mdsio/
1249      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1250      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1251    
1252    checkpoint57b_post
1253    o simplify options in diagnostics_fill arguments (remove weird combinations)
1254    o fix MNC coordinate variables so that they now contain per-face index
1255      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1256      general, EXCH2 grids are only aligned to a "local" coordinate system
1257    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1258    o Implement instantaneous output within pkg diagnostics:
1259      setting a negative frequency in data.diagnostics produces
1260     "snap-shot" output (as opposed to time-average if freq > 0)
1261    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1262      NOTE: change ptracer diagnostics name: use 2 characters to work with
1263            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1264    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1265      becomes the coordinate variable for the 'T' dimension
1266    o add CF-style coordinate variables to MNC
1267      - just a first cut:  numbers are meaningless on the cubesphere and
1268        missing along the T axis but otherwise it works!
1269    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1270    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1271    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1272      this is based directly on what the model compute, so that the content of
1273      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1274    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1275    o clean up build options files for SunOS, in particular
1276      - remove -traditional from xmakedepend
1277      - change -xarch=v9 to -xarch=native for f77
1278      - restore use of make (not gmake)
1279      - add CC=gcc if using g77
1280    o changes per discussion of AM, JMC, & EH3 today:
1281      - move redundant "grid" variables out of "state" -- in preparation of
1282        creating proper CF-style coordinate variables and in recognition
1283        that any/all grid variables can be easily copied (eg. w/NCO) from
1284        the grid files into any of the other NetCDF files
1285      - *always* output grid variables with MDSIO (this will eventually be
1286        changed)
1287      - output MNC grid file if useMNC is true
1288    o every instance of _END_MASTER() has been found and replaced with
1289      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1290      preprocessors
1291    o re-arrange diagnostics pkg initialisation:
1292     - allow each package to extend the available diagnostics list
1293     - add some checking and fix small problems (multi-threaded, ...)
1294     - new S/R diagnostics_fill (replace fill_diagnostics):
1295       look through the short list of active diag. (instead of the long list)
1296       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1297    
1298    checkpoint57a_post
1299    o this set of changes restores TAMC compatibility
1300      tested for global_ocean.90x40x15 adjoint on trough
1301      (what a pain)
1302    
1303    checkpoint57a_pre
1304    o some modifs in tools/build_options for sunos
1305    o call ctrl_pack for ctrl at end for optimcycle=0
1306    
1307    checkpoint57
1308    o add horizontal bi-harmonic viscosity for vertical velocity
1309      - new parameter viscA4W (defaults to viscA4)
1310      - affects only non-hydrostatic code
1311      - to be done: no-slip lateral boundary conditions
1312    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1313    o implement Implicit Vertical advection for pTracers
1314    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1315      (implemented also for implicit vertical diffusion & advection)
1316    o OBCS: extend application of tracer open boundary conditions
1317      to a strip beyond the boundary of width Olx/Oly
1318    o add call monitor to TAF set of required calls (flow directives)
1319      and include in natl_box_adjoint
1320    o untangle a few ifdefs related to cost, ctrl, autodiff
1321      untangel a few ALLOW_ECCO_OPTIMIZATION
1322    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1323      (theta2, salt2 in ecco_cost_weights)
1324    
1325    checkpoint56c_post
1326    o OBCS as control variables
1327      - update ctrl_ad_diff.list, obcs_ad_diff.list
1328      - remove balance of obcs controls from default
1329      - fix index bug nobcs in ctrl_init
1330      - fix dummy fields filen in ctrl_pack
1331      - add dummy weights for obcs
1332    o lsopt: comment out fort.94 output
1333    o optim:
1334      - remove unnecessary header files
1335      - adjusted namelists
1336      - add xerbla.F to Makefile
1337    o exf:
1338      - multiple modifications of exf_check_range
1339      - unit change in exf_init_runoff from [m/year] to [m/s]
1340    o mdsio:
1341      - i/o-vector change debugLevel from debLevA to debLevB
1342    
1343    checkpoint56b_post
1344    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1345      is called from DO_THE_MODEL_IO
1346      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1347      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1348      - clean up PTRACERS_WRITE_TIMEAVE a little
1349    o add another verification experiment that tests both the cfc-pkg and
1350      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1351      reactive tendencies treated inline with regular timestepping
1352    o testreport previously did a lousy job of comparing small numbers, so
1353      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1354      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1355      testreport.
1356    o ptracers_monitor: bug fix for MPI
1357    
1358    checkpoint56a_post
1359    o GCHEM: finish reorganizating the package
1360      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1361        (introduces another 3D-array for each passive tracer, but only if
1362        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1363        gchemTendency is not needed because the timestep is done separately)
1364      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1365      - GCHEM is now---more or less cleanly---separate from PTRACERS
1366      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1367        so clear to me how that should be done in a general way.
1368    o CFC: improve formatting of output in CFC_ATMOS
1369    o PTRACERS:
1370      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1371        that ALL experiments with ptracers enable can be checked. This makes
1372        GCHEM_MONITOR obsolete.
1373      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1374        monitorFreq
1375      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1376    o add PTRACERS (PTR0[1-5]) to testreport output
1377    o exf_check_range:
1378      * default changed to .TRUE.
1379      * will check values for niter0 if debLevA, every timestep if debLevB
1380      * STOP in exf_check_range if 'out of range'
1381      * range chosen generous to allow for potential extema
1382      TBD: a version with stricter range
1383           permitted range would be runtime parameters
1384  o GMredi:  o GMredi:
1385    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1386    - 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 1389  o GCHEM:
1389    - 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
1390      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1391    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1392      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1393        this flag is now only visible within GCHEM-pkg routines.
1394      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1395        be replaced by a 3D array that is computed before thermodynamics; for
1396        this, the tracer ID iTracer had to be included into the parameter list
1397        of ptracers_forcing
1398      - set up forward_step to call gchem_forcing, that will replace
1399        gchem_forcing_int in ptracers_forcing
1400      - cleaning up
1401  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
1402    
1403  checkpoint56  checkpoint56

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