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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.854 by jmc, Thu Jul 26 16:30:48 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    checkpoint59e
8    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
9      for B-grid vector (not yet tested) and C-grid vector (<- only used
10      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
11    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
12      (#ifdef ALLOW_SALT_PLUME)
13    o gather_2d/scatter_2d: removed halo regions
14    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
15      scheme and the corresponding test case (under front_relax dir). For now,
16      only available with Skew-flux form and not yet tested in realistic set-up.
17      adjoint: store directives updated, but gradient checks deteriorated,
18      so maybe GM/Redi adjoint is now broken.
19    o seaice adjoint
20      * add AREA, HEFF, HSNOW as control variable
21        (should not change lab_sea results)
22      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
23    o pkg/seaice:
24      * added computation of saltFlux in seaice_growth;
25        For time being, sea ice salinity is assumed constant
26        contribution of snow flooding to freshening of sea ice is neglected.
27        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
28        defaults to 0.0 in order to maintain backward compatibility.
29        Typical values for SEAICE_salinity are 4 to 10 g/kg.
30      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
31      * added SEAICE_availHeatFrac, which specifies fraction of surface level
32        heat content used to melt or grow ice
33      * commented out cap of HICE: it helps keep ice thinner
34      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
35      * applied OBCS T/S mask to HEFFM sea ice mask
36    
37    checkpoint59d
38    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
39     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
40     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
41    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
42     and change default value of parameter "GM_Small_Number";
43     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
44       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
45       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
46    o pkg/ecco: cost function when applying pkg/smooth to controls
47    o pkg/ctrl: add forcingPrecond run time parameter
48    o pkg/seaice:
49     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
50     - fix bug in metric terms of u-equation in LSR solver (implicit part),
51       changes verification/lab_sea
52     - rearrange implicit part of u-equation in LSR solver to make it easier to
53       read, understand, and debug. This causes changes at the truncation level.
54     - fix (serious) bug in the boundary conditions (sign error in the implicit
55       part) of the LSR solver. Changes all LSR results.
56     - fixed problem with HSNOW initialization to avoid thick snow when AREA
57       is initilized with small values - does not change lab_sea results.
58     - added HsnowFile initialization capability
59    o pkg/smooth: addition to model/src and pkg/ctrl so allow
60     initialization of pkg/smooth and application to control vector
61    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
62    o dependencies: pkg/profiles requires pkg/cal
63    o pkg/profiles:
64     - added option ALLOW_PROFILES_GENERICGRID
65         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
66         that interpolation information (grid points and coefficients) is provided
67         within the netcdf input files.
68         -> sample matlab scripts can be found in MITgcm_contrib/gael
69         that allow you to prepare netcdf input files.
70     - also modified: cleaner include statements, cleaner error print statements,
71       cleaner stops when error, and more tests of the netcdf input files consistency.
72    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
73    o pkg/seaice:
74     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
75       requires a new routine: seaice_diagnostics_fill.F
76     - make sure that seaice does not move if not forced (pressure replacement
77       method, Hibler and Ip, 1995), changes results
78     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
79     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
80       It is turned off by default (=-1.), because it changes the results.
81     - make it possible to read AREA from a file, too.
82    
83    checkpoint59c
84    o add S/R and diagnostics for oceanic mixed-layer depth
85    o move GMRedi call after all vertical mixing schemes (including KPP)
86    o pkg/thsice:
87     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
88      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
89    o pkg/obcs:
90     - bug fix for balance code
91    o pkg/seaice:
92      - allow values of SEAICE_elasticParm > 1
93      - add new parameter SEAICE_evpTauRelax as an alternative
94        to SEAICE_elasticParm
95      - make lsr boundary conditions free slip (by default), changes result
96      - add code for no slip boundary conditions for lsr
97      - set minimum of zeta to zero (and not 4e8) (changes results)
98      - add a cap on AREA after advecting AREA if seaice_growth is not called
99    o change calculation of Visbeck K:
100      - no longer depend on tapering scheme; instead, compute slope (limited
101        by GM_maxSlope). this is equivalent to what was comuted before with
102        clipping or linear tappering.
103      - fix vertical averaging (wrong by 1/2 level)
104      - leave the old version (but will not be maintained) within
105        #ifdef OLD_VISBECK_CALC / #endif
106      - update output of exp. ideal_2D_oce
107    o change error catch in calc_r_star to improve vectorization
108    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
109      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
110    o adjoint:
111      Re-organized adjoint checkpointing according to Matt Mazloff
112      (but with modifs/completions/cleanups)
113      Storing is now bundled into large arrays to optimized I/O
114      (and second step in cleanup of the_main_loop)
115    
116    checkpoint59b
117    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
118      - export/import (between ocean & coupler) fields needed for ocean DIC.
119    o pkg/seaice:
120      - get rid of three more exchanges seaice_calc_viscosities (required
121        different loop boundaries in seaice_lsr and seaice_ocean_stress)
122      - bug fix in seaice_ocean_stress (update of lab_sea required)
123      - reduce loop boundaries to necessary minimum also in seaice_evp
124      - go back to the old way of computing deltaC/Z as the adjoint likes that
125        better
126    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
127      passive tracer to an Age Tracer) + update output.txt
128    o pkg/exf:
129      - implement A-grid / C-grid selection for wind-stress input files.
130      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
131      for now, in exf_bulk_largeyeager04.F only :
132      - change implementation for case where windspeed + 2. components wind-stress
133        are read-in. AND use rhoConstFresh to convert evap.
134    o pkg/seaice:
135      - use correct EXCH_UV for wind-forcing (on A-grid).
136      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
137        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
138    o pkg/exf:
139      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
140      EXF_INTERPOLATION:
141      - merge global_with_exf/code version of exf_interp_read.F
142        to the main code ;
143      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
144        reading the file ; Important: This options needs to be defined to recover
145        previous code.
146        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
147      - no longer loose real*8 precision along the way when using exf_iprec=64.
148    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
149      - change discretisation of evp-solver in order to avoid another exchange
150        (changes lab_sea) and clean up a little
151      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
152        help the adjoint (this also changes the results slightly)
153      - add a few "_d 0" where they had been missing in seaice_evp.F
154      - cleaning up: remove unused seaice_calc_rhs.F
155    o pkg/exf: some cleaning-up:
156      - change various "constants" into runtime parameters
157      - cleaned-up Large&Yeager04 routine which should eventually
158        replace exf_bulkformulae.F (changed names of S/R and CPP)
159        and merged various ALLOW_ATM_WIND options
160     only used with thsice pkg (in thsice_get_exf.F):
161      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
162        which are used when useStabilityFct_overIce=TRUE (= the default)
163      - change default values of ice & snow emissivity and scale downward LW
164        by ice & snow emissivity.
165    o pkg/thsice:
166     fix few little problems, in thsice_calc_thickn.F:
167      - growth vertically (and not laterally) if iceFrac == iceMaskMax
168      - melt only laterally if hIce < hThinIce (as the comments say)
169      and in thsice_extend.F:
170      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
171      - start to form ice as soon as the minimum ice-volume is reachable.
172     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
173      and cpl_aim+ocn
174    o pkg/kpp
175     - move computation of surface related input fields to KPP into a new
176       subroutine kpp_forcing_surf.F
177     - remove wrong (within bi,bj loops) EXCH calls.
178     - little cleaning (add argument myThid in last position, cvs header ...)
179     - for now, fix conservation problem by exchanging KPPviscAz (may not
180       be the best fix)
181    o pkg/seaice
182     - check for inconsistent evp parameter/cpp-flag combination
183     - remove leftover errIO flat for obsolete name list error handling
184    o OpenAD
185     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
186    
187    checkpoint59a
188    o pkg/seaice: some parameter clarifications and a little bit of clean up
189    o pkg/thsice: rename run-time parameters:
190       himin       -> hIceMin
191       himin0      -> hThinIce
192       hihig       -> hThickIce
193       i0          -> i0swFrac
194       transCoef   -> bMeltCoef
195       frac_energy -> fracMelting
196      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
197       with default values (for now) that do not change the results.
198      remove old version of thsice vars advection in pkg/seaice.
199    o in FFIELDS.h:
200      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
201      - make pLoad & sIceLoad always available (but still only used if
202         ATMOSPHERIC_LOADING is #define).
203    o pkg/kpp: replaced _KPP_RL with _RL
204    o bug fixes for vertical diffusivity computations when both KPP and
205        3D diffusivity arrays are used.
206    o pkg/seaice: fix bug in evp solver, while doing that
207      - change (improve?) discretization of stress computations for both
208        cgrid-lsr and evp solver
209      - add a new routine to compute strain rates
210      - the above changes lab_sea results
211      - add no slip conditions for evp solver (off by default), lsr-version
212        may follow
213      - fix exchange for shear at Z-points (does not change lab_sea)
214      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
215        (to force the user to pick a time step since there is not "safe" way
216        of choosing it)
217      - add principal stress diagnostics
218      - rearrange fields for evp a little to avoid having to call a: too many
219        exchanges and b: exchanges for stress trensor components which we do
220        not have.
221      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
222        of evp, complete rewrite for lsr case (latter is does not yet work
223        in all cases)
224    o pkg/kpp: add code to have mixing in shelf ice caverns
225      - add myThid to all kpp routines (long overdue)
226    
227    checkpoint59
228    o pkg/exf:
229      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
230        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
231      - move exf header files from lower_case.h to UPPER_CASE.h ;
232        add missing cvs Header & Name
233      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
234      - add namelist param. selectStressGridPosition, exf_monFreq
235      - retire many _CLIM routines, and remove data.exf_clim
236        + params moved to data.exf
237        + climsst, climsss now handled by exf_set_gen, i.e.
238          climss?period=0 refers to constant field,
239          climss?period=-12 to monthly forcing
240      - split up namelists in data.exf
241    o pkg/seaice:
242      - remove seaice_exch and seaice_exch_uv
243      - remove superfluous exchange of theta
244      - add myThid to seaice_budget_ocean/ice
245      - add new interface for atmospheric wind forcing (C-grid only)
246        + new routine
247        + two new field (taux, tauy for stress over ice)
248        + removed one global field (DAIRN) for C-grid case only
249    o pkg/thsise
250      - 2nd set of modifs for thsice adjoint in conjunction with exf
251    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
252    
253    checkpoint58y_post
254    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
255      vertical diffusivity, similar to that in MOM4; turned on using
256      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
257      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
258    o Added capability for 3D specification of background vertical diffusion
259      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
260      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
261      "data" file that contains the 3D vertical diffusivity coefficients.
262    o ice dynamics (pkg/seaice) with thsice thermodynamics:
263      - add code within pkg thsice to advect & diffuse sea-ice fields
264      similar to (and will replace) what has been added in  seaice_advdiff.F,
265      but: - conserving Mass, Heat & Salt.
266           - better when using non-linear advection scheme (not yet fully tested)
267           - can also be used in atmospheric set-up (for now, only the diffusion).
268    
269    checkpoint58x_post
270    o IO option for global-file compact format:
271      - add options when generating topology (utils/exch2/matlab-topology-generator)
272      - add I/O capability (pkg/mdsio).
273      - adapt utils/matlab/rdmds.m to read this format.
274      for now long-line format not yet supported by pkg/mdsio (& exch2).
275    o shelfice: add a few diagnostics
276    
277    checkpoint58w_post
278    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
279      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
280      (and replace horiVertRatio in NH code).
281      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
282                         and tutorial_plume_on_slope (sensitive to truncation)
283    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
284      directly to drive seaice model (C-grid only)
285    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
286     - reintroduce computation of wind from stress,
287     - compute tau (in exf_bulkformulae.F) from windstress averaged to
288       mass points to avoid tau = 0
289     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
290    o rdmnc.m: make it work with "global" files created with gluemnc
291    o rdmnc.m : some improvements in dealing with singleton dimension
292      (tested on all testreport mnc output files).
293    o genmake2: disable pkg/profiles if netcdf test fails.
294    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
295    o move call to cal_readparms up to make calendar parameters/variable available
296      to all packages
297    
298    checkpoint58v_post
299    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
300      useDynP_inEos_Zc tested.
301    o pkg/exf: changes to properly interpolate/mask/scale initial fields
302    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
303      and portions thereof.  See read_cs.txt for description and examples.
304    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
305      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
306      following the great-circle arc between those 2 points.
307    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
308      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
309    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
310     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
311     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
312     - still needs work (not working with some options ; efficiency to improve)
313       and serious testing.
314     - use this scheme for temperature & salinity in 2 advection test exp.:
315       advect_xy & advect_xz, respectively.
316    
317    checkpoint58u_post
318    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
319    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
320    o testreport: add option "-skipdir" to skip some test.
321    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
322      momentum calculation.
323    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
324    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
325      remove checkpoint.F and the_correction_step.F (no longer used);
326      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
327    o add option (linFSConserveTr) to correct for tracer source/sink due to
328      Linear Free surface
329    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
330    o pkg/thsice: fix reading mnc-pickups
331    
332    checkpoint58t_post
333    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
334    o pkg/mdsio:
335     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
336       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
337       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
338     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
339     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
340       either MDS_READ_FIELD or MDS_WRITE_FIELD )
341     - new S/R (to replace MDSWRITEMETA), which allows to write more
342       informations (variable names, time ...) to meta files.
343     - modify rdmds.m to give back the meta file content.
344    o pkg/diagnostics: change vertical interpolation to be safer, and more
345       flexible (define p-levels to interpolate to in data.diagnostics);
346      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
347       diagnostic pointer.
348    o pkg/seaice: more cleaning up of seaice_growth, added many comments
349    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
350    o fix multi-category seaice:
351     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
352       SEAICE_MULTICATEGORY
353     - fix short wave heat flux
354    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
355       and allow to use EVP solver. Change forward lab_sea: test both EVP
356       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
357    o Initial check-in of lab_sea adjoint
358      (very similar to natl_box_adjoint/code_seaice)
359      * used C-grid and EVP solver
360      * used KPP, GM/Redi
361      * uses inAdExact=.TRUE.
362      * gradient checks fail for both ADM and TLM
363        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
364        f.d. gradients actually seem more problematic than ADM, TLM gradients;
365        issue is related to forward mismatch between g77 an ifort
366    o pkg/seaice: overhaul of thermodynamics
367     - growth.F and groatb.F are replaced by new routine seaice_growth.F
368     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
369     - move a few global fields out of SEAICE.h into seaice_growth.F and
370       make them 2D (FICE/QNETO/ ...)
371     - remove FO (it is the same as QNETO)
372     - introduce a few local fields to avoid modifying external fields such
373       as atemp, etc.
374    
375    checkpoint58s_post
376    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
377      changed exf_set_gen.F so that
378        genperiod=0 means input file is one time-constant field and
379        genperiod=-12 means input file contains 12 monthly means
380    o CG2D: use pre-computed solver main-diagonal (stored in common block);
381      this affects truncation error ; generate new output file for exp. which
382      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
383        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
384        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
385        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
386        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
387        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
388    o start implementation of deep-atmosphere and anelastic formulation
389    o verification: remove 2nd copy of input files and use script "prepare_run"
390      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
391    o mom_common/vecinv/fluxform: fix a few initialisation isssues
392    o profiles: fix for multithreaded case
393    
394    o diagnostics: rename few diags:
395      s/'PRESSURE'/'RCENTER '/g
396      s/'TICE    '/'oceFreez'/g
397      s/'TAUX    '/'oceTAUX '/g
398      s/'TAUY    '/'oceTAUY '/g
399      s/'SWFLUX  '/'oceQsw  '/g
400      s/DIFx/DFxE/g
401      s/DIFy/DFyE/g
402      and add few ocean-forcing diagnostics:
403      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
404    o modifications to pkg/seaice/growth.F and budget.F, which change results of
405      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
406      as actual snow thickness.  It now refers everywhere to effective snow
407      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
408    
409    checkpoint58r_post
410    o modifications to pkg/seaice/growth.F, which change results of
411      lab_sea experiment: fixes pertain to melting snow over open water, to
412      masking EVAP under sea ice, and to using the correct AREA variable for
413      computations of EVAP, PRECIP, HSNOW, and GHEFF
414    o add ability to read bathy, salt, and theta using MNC (off by def)
415    o add flooding algorithm and advection of HSNOW for pkg/seaice;
416      both are turned off by default and do no change any results
417    o seaice advection with pkg/thsice: a step toward the use of non-linear
418      advection scheme, but #ifdef or commented out for now (requires more EXCH).
419    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
420      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
421      in natl_box (affects results @ truncation level: update output.txt)
422    o multi-threading and IO:
423      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
424      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
425        (needed to work with SingleCpuIO): tested in all verif. exp.
426    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
427      affects the results (but none of the verification test uses this scheme).
428    o Adding some pkg/diagnostics capability to pkg/seaice
429      (will certainly be subject to changes)
430    o ctrl: adding new control variables:
431      lwflux, lwdown, evap, snowprecip, apressure, runoff
432    
433    checkpoint58q_post
434    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
435      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
436      high_res_cube configuration by 4% on Columbia.
437    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
438      add (in global_with_exf/code) a version of EXF_INTERP_READ without
439      dynamical allocation (seems to work in multi-threaded).
440    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
441      single CPU io) so that TAF does not have to see EESUPPORT.h
442    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
443    
444    checkpoint58p_post
445    o obcs: stop if obcs is used with useCDscheme = .true.
446    o shelfice:
447     - fix a sign error so that no slip at shelfice interface works
448     - remove stop for combination non-hydrostatic code and shelfice. That does
449       not mean, that the results are correct, but at least they are numerically
450       stable
451    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
452    o added adjoint exch routined for all exch*3d* routines
453      and updated flow directives
454    
455    checkpoint58o_post
456    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
457      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
458    o change controling S/R for writing pickup file (new S/R do_write_pickup)
459      and clean-up reading/writing of pickup files.
460    o fix local version of read/write pickup (NH part) in rotating_tank/code
461    o simplify EXCH interface:
462     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
463     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
464    o added the regrid package
465    o shelfice:
466     - add a simple boundary layer scheme to reduce noise
467     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
468    
469    checkpoint58n_post
470    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
471       local variable (not in common block).
472    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
473      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
474      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
475        to work with SingleCpuIO.
476    o add "_d 0" to real constant of pkg/cfc subroutines ;
477       update exp. cfc_exemple & tutorial_cfc_offline output files.
478    o multi-threading and IO:
479      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
480        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
481      - barrier before and after reading.
482      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
483      - avoid using MDS_WRITELOCAL for LAND pkg output.
484      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
485        common-block variables ; Allows multi-threading with master-thread IO.
486    o change default MAX_NO_THREADS from 32 to 4 ;
487      and stop cleanly when MAX_NO_THREADS is too small.
488    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
489    
490    checkpoint58m_post
491    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
492       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
493    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
494       keep global_ocean.90x40x15 (for AD testing) with former secondary test
495       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
496    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
497        add MITgcm_tutorials (= code + all the tutorials)
498    o ecco, option to compute cost for total ssh (mean+anom)
499    o consistent with addition of ptracer and ssh in pkg/profiles
500    o profiles: adding ptracer and ssh
501    o testreport: change multi-test output-file name
502      (from output.txt.{name} to output.{name}.txt)
503    o profiles: now ok for mutli-tiles case
504    o seaice: add 4 parameters for different advection schemes for area,
505      (effective) seaice thickness, enthalphy, and snow height. Their default
506      is the standard parameter SEAICEadvScheme
507    o calc_gw:
508     - add cosFacU in zonal viscous flux (harmonic.visc.).
509     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
510       of tutorial_plume_on_slope.
511    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
512    o calc_gw: true flux-form, account for horizontal grid spacing.
513      update rotating_tank results, but not plume_on_slope (affected at
514      truncation level, 11 digits).
515    
516    checkpoint58l_post
517    o calc_gw:
518     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
519     - remove side-drag for now (need to fix it); update plume_on_slope results.
520     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
521    o commit code to make SST/SSS weights spatially variable
522      (based on either variable in-situ or variable initial T/S weights)
523    o pkg/ecco:
524      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
525        now based on horizontally varying weights wthetaLev, wsaltLev
526      * cost_averagesflags now returns year indices in addition to day, month
527      * sflux balance is performed on annual basis
528        (sflxumm, sfluxmm2, bal_sfluxmm)
529      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
530        including separate counting and multipliers
531    o pkg/rbcs
532      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
533    
534    checkpoint58k_post
535    o testreport:
536     - always build in dir. "build" (if not there, mkdir build instead of building
537       & running in input)
538     - run in dir run (if it exists), in build otherwise.
539     - call prepare_run (if input/prepare_run exists)
540     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
541    o pkg/exf modifications to interpolation and rotation routines for more
542       reasonable treatment of North Pole singularity: for tracers North Pole
543       value is set to northernmost zonal-mean value, for zonal velocity it is
544       set to zero, and for meridional velocity it is set to northernmost value.
545    o pkg/exf/exf_check_range.F
546     - add tile index to diagnostics and move stop statement to the very
547       end of the routine.
548    o pkg/diagnostics: (diagnostics_main_init.F)
549      define title of isomorphic variables according to the current config.
550    o pkg/thsice with pkg/seaice dynamics:
551    - fix domain of computation (interior only, required for exf) and do exchanges
552    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
553    o towards a standard way of dealing with multi-threading in MONITOR
554      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
555    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
556       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
557    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
558    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
559    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
560       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
561    o tracer advection:
562     - clean-up and simplify calc_common_factors.F
563     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
564       advection subroutine (but still not used within DST advection S/R)
565    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
566    
567    checkpoint58j_post
568    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
569      from file (collects calls previously in FORWARD_STEP)
570    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
571    o adjoint store dir. adjusted accordingly
572    o genmake2
573      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
574    
575    checkpoint58i_post
576    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
577      on wind stress (SEAICEstressFactor defaults to 1.)
578    o Total number of Timers is finite (<=40): comment out 2 non-essential one
579      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
580    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
581      on CS-grid: no longer loosing mass.
582    o exf & curvilinear-grid: no longer modify longitude xC & xG.
583    o pkg/ggl90: fix sloppy output and fix a bug
584    o pkg/seaice: added SEAICEuseEVPpickup parameter
585      - Set to false in order to start EVP solver with
586        non-EVP pickup files when using SEAICEuseEVP
587      - fix sign error in diffusion in seaice_calc_rhs
588    
589    checkpoint58h_post
590    * Modifications for bottom topography control
591      o replace hFacC by _hFacC at various places
592      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
593      o add non-self-adjoint cg2d_nsa
594      o update autodiff support routines
595      o re-initialise hfac after ctrl_depth_ini
596      o works for 5x5 box, doesnt work for global_ocean.90x40x15
597    * Adding verification for 5x5 box (4-layer) bottom topography control
598    
599    checkpoint58g_post
600    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
601       used for mean seasonal cycle, mean diurnal cycle); add an example
602       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
603    o pkg/ggl90:
604      - add parameter (minimum surface kinetic energy)
605      - fix bug (avoiding division by zero)
606    o couple pkg/thsice to pkg/seaice:
607      - modify advection in seaice to accomodate new scalar fields to be advected
608      - only muliDimAdection scheme work with seaice/thsice
609      - mapping of thsice-variables to seaice-variables, back and forth
610      - does not break the verification experiments, but does not give the
611        desired results either
612    o pkg/seaice
613      - make (default) second order advection a bit less confusing?
614    
615    checkpoint58f_post
616    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
617      to pkg/seaice):
618      - new routines thsice_map_exf and thsice_get_exf provide the interface
619      - add an additional formal parameter to thsice_solve4temp
620    o pkg/exf:
621      - add new fields wspeed, snowprecip (to be able to couple to thsice)
622      - correct Stefan-Boltzmann constant
623      - new parameter for longwave surface emittance
624      - separate some stuff from exf_bulkformulae into new routines  
625        exf_radiation, exf_wind
626      - add new parameters and constants: longwave emissivity for ocean, ice
627        and snow, evaporation parameters over ice
628      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
629        either wind from stress or stress from wind
630    o pkg/thSIce:
631    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
632    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
633       and THSICE_CALC_THICKN
634    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
635    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
636      to make debugging easier.
637    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
638    o pkg/bulk_force:
639      - clean-up comments and parameters ;
640      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
641    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
642      generate new output for test-experiment: aim.5l_cs.thSI
643    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
644      testreport accordingly
645    
646    checkpoint58e_post
647    o SEAICE_CGRID adjoint done
648    o R_STAR adjoint implemented.
649      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
650      * need to sort out init. of h0facc, etc.
651    o Make pkg/profile fully independent of ecco,cost, etc. stuff
652      to be able to use it in pure forward.
653    
654    checkpoint58d_post
655    o upgrade simple test-experiment to tutorial example:
656     step.1: duplicate the experiment and (step.2) will remove the old copy.
657      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
658      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
659      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
660      tutorial_global_oce_biogeo    <- copy of dic_example
661      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
662      tutorial_plume_on_slope       <- copy of plume_on_slope
663      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
664      tutorial_global_oce_optim     <- empty for now (David ?)
665      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
666     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
667    o correct a sign problem in cost_scat.F
668    o obcs and ptracers: fix boundary conditions for advections schemes
669      with larger stencil
670    o thsice adjoint: start
671    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
672      completeness
673    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
674      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
675    o ptracers adjoint:
676      * avoid extensive recomputatations
677      * fix missing re-init. of gptr (missed by TAF)
678    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
679      me to turn off the excessive output to STDOUT that this package produces
680    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
681      and add those terms in Vector-Invariant formulation.
682    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
683      if the control period (xx_hfluxperiod etc) is 0
684    o in profiles pkg, clean routines and fix details
685    o in ecco pkg, reading ssh data:
686      fix problem in case the model does not start at iter0=0
687    o fix mnc-pickup/restart for ptracers
688    o new package prifiles:
689      code to compute profile-based cost by Gael Forget
690      (modifs in ecco, ctrl, autodiff)
691    o Benign bug fix in initialization (spotted by M. Mazloff) of
692      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
693    
694    checkpoint58c_post
695    o adjoint: finish NLFS adjoint and provide reference output in
696      verification/global_ocean.90x40x15/results_ad_nlfs
697    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
698      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
699      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
700      with SEAICE_CGRID defined.
701    o move calendarDumps from "data" to "data.cal" and clean-up the code
702      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
703    o add useEXF & useCAL flags (for now, set in hard-coded way)
704    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
705      (were missing in NH mode, and wrong in quasihydrostatic mode).
706      waiting for Chris updated version of calc_gw to add those CALLs.
707    o fix bug in quasihydrostatic S/R ;
708      add a test for this option: global_ocean.90x40x15.qshyd
709    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
710      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
711    o add on/off flag useOffLine for package OFFLINE
712    o seaice:
713      - modify advection so that it works also on the C-grid
714      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
715        problem in multi-tile runs with C-grid
716      - add flags for clipping ice velocities and/or masking solver forcing
717      - fix drag (ocean on ice) formulation and a bug that caused noise in the
718        C-grid solver
719      - added a few comments to seaice_diffusion.F
720      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
721        are now exclusive)
722      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
723        required re-ordering the code a little:
724       + make DAIRN global variable (defined in SEAICE)
725       + move computation of the viscosities eta and zeta into a new separate
726         routine (because I need to recompute them in seaice_ocean_stress.F)
727    
728    checkpoint58b_post
729    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
730      update output.txt of exp. aim.5l_cs.thSI
731    o various mnc cleanups and improvements:
732      + shrink lookup tables by factor of ~4
733      + better error reporting when running out of lookup space
734      + able to handle longer path/file names (up to 500 chars)
735    o adjoint:
736      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
737      - TBD: "hidden" mom_vecinv recomp. in dynamics
738    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
739     (allow to differentiate between forcing components using new integer flags:
740      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
741     and add new flag to put Dissipation tendency out of Adams-Bashforth.
742    o ecco
743      - enable trend removal from SSH anomaly obs.
744    o adjoint
745      - a fix for PmEpR when #undef EXACT_CONSERV
746      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
747      - try to fix "hidden" recomp. in forward_step for NLFS
748        (NLFS seems broken sometimes after I checked it in)
749    o seaice:
750     - add c-grid version of the dynamic solver:
751       + three new routines that are the c-grid substitute lsr, dynsolver
752         and ostres
753       + put a few fields that were local to dynsolver into global common
754         blocks, so that I can move the computation of stresses etc into
755         seaice_lsr (saves coding but may break the adjoint).
756     - replace more hardwired parameters by runtime parameters
757     - add ice masks that mask the rhs of the implicit solvers where there
758       is no ice (commented out in seaice_dynsolver, because i am not sure
759       if this works properly), eventually this should replace the clipping
760       of ice velocities in seaice_dynsolver to +/-40cm/s.
761    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
762      include it only where its needed
763    o move balancing of fluxes before the call of external_forcing_surf
764    o seaice:
765      - correct units of turning angles (now they are really in degrees)
766      - move computation of GWATX/Y out of main routine into dynsolver
767      - initialize GWATX/Y in seaice_init
768    o Apply mask on Fresh-Water flux (needed for SSH forcing).
769      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
770    o seaice: add runtime flags for turning angles (default to zero)
771    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
772      and trend from exf forcing and ctrl control adjustments
773    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
774      (since checkpoint57x_post)
775    o change the default rotation period to 86164.s = the Earth rotation
776    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
777      and based on a reference stratification. Tested within hs94.cs-32x32x5.
778    o seaice advection: add code for choosing between the default (2nd order
779      central differences) and multiDim advection schemes provided by
780      pkg/generic_advdiff
781    o seaice:
782      - removed all references to SEAICE_GRID.h fields from
783        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
784        (cubed-sphere configuration will change a little)
785      - grid computations in seaice_init are obsolete now.
786      - cleaned up code a little so that is easier to read (hopefully).
787      - added new (better?) discretizations of default advection and diffusion
788        (turn on with SEAICEuseFluxForm)
789      - replace 1 in 3d global fields by kSurface in growth.F
790      
791    checkpoint58a_post
792    o seaice:
793      - bug fix in advect.F
794    o shelfice:
795      - separate shelfice load anomaly from pload (breaks with time
796        dependent forcing), => introduce constant field shelficeLoadAnomaly.
797        Its default is 0., but it may be computed more cleverly from (unknown)
798        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
799        done offline. A good approximation of the pressure load anomaly is
800        necessary to avoid large initial adjustment processes underneath
801        deep-reaching shelfice.
802      - small fix in ISOMIP shelfice_thermodynamics
803      - add more sophisticated thermodynamics of Hellmer (1989), this is
804        now the default
805      - give a few constants more intuitive names
806    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
807      if bulk formulae are used in long integration (especially EmPmR). Turn
808      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
809      if balancePrintMean, the imbalance that is substracted is printed to
810      STDOUT.
811    o fix bug (typo) in obcs_apply_eta.F
812    o add a new package shelfice which enables us to model the circulation
813      underneath shelf-ice with draughts of hundreds of meters.
814     - works
815     - to do: + include improved thermodynamics
816              + check whether kSurfC (from model/inc/SURFACE.h) can be used
817                instead of new field kTopC
818              + can we use topoFile, Ro_surf and existing code in ini_depth.F
819                instead of new field R_shelfIce and new code in ini_depth.F
820                and ini_mask_etc.F?
821              + adjust vertical mixing schemes?
822    o seaice pkg:
823     - add a cpp-flag to include a simple formula for a salinity dependent
824       freezing point of sea water at the surface
825     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
826       meridional stresses are now different (and hopefully correct)
827    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
828       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
829       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
830    o pkg/diagnostics: add options and parameters for regional-statistics
831       diagnostics ; define regions by reading a region-mask from a file
832       (might add other options later)
833    o pkg/bulk_force:
834     - add option and parameters to use AIM surface-flux formulae.
835     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
836       others forcing fields (defined in PARM05, parameter file "data") are loaded
837       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
838     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
839     - use the right EXCH call for uwind,vwind (to work on CS-grid).
840     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
841       and parameters (note: calcWindStress replaces .NOT.readwindstress).
842     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
843    
844    checkpoint58
845    o add "--embed-source" option to genmake2 which, when the supporting
846      tools can be compiled (as determined by genmake2) will turn on the
847      embed_files package which then embeds the entire MITgcm source code
848      (*.[fFhc] + Makefile) used for the build within the executable
849      - requested by CNH but off by default
850      - adds a paltry <9MB to the mitgcmuv executable in most cases
851      - only writes the output when useEMBEDSRC in eedata is true
852    o clean up 3-dim. relaxation codes:
853      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
854      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
855      * Thanks to Tom Haine for testing!
856    
857    checkpoint57z_post
858    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
859      affects output (@ truncation level) of exp. plume_on_slope ; updated.
860    o fix the pickup behavior for obcs in combination with ptracers
861    o fix a bug in ptracers_external_fields_load
862    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
863      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
864    o transfered surface NH pressure to eta field (if exactConserv).
865    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
866         and update lab_sea output.txt file.
867    o completing 3-dim. relaxation code: additional term
868         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
869      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
870      * At compile time, in "EXF_OPTIONS.h" set
871          #define  ALLOW_CLIMTEMP_RELAXATION
872          #define  ALLOW_CLIMSALT_RELAXATION
873      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
874          tauThetaClimRelax3Dim = 15552000.0,
875          tauSaltClimRelax3Dim  = 15552000.0,
876      * 3 cases:
877          1) Use a constant-in-time 3-dim. field
878          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
879          3) Real-time relax. to time-evolving prescribed field
880    o Adding Laplacian-type smoothness constraint on
881      initial and boundary (forcing) controls (ic, bc)
882      * enable at compile-time via
883        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
884      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
885      * Absolute scale somewhat unclear so far
886      * no area weighting was included since no other cost term does so far
887    
888    checkpoint57y_post
889    First step for a NLFS adjoint
890    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
891    o new init. routines for calc_r_star, calc_surf_dr
892    o still need to deal with ini_masks_etc
893    o testreport seemed happy
894    checkpoint57y_pre
895    
896    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
897    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
898    o add new offset feature to offline pkg (plus minor cleanup)
899    o cfc fixes for final year of integration
900    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
901      be in GCHEM_OPTIONS).
902    
903    checkpoint57x_post
904    o fix testreport Pb in multiple test experiment.
905    o cleanup our namelist syntax in verification:
906      - make it more F95 standards compliant (some work still needed)
907      - allows the vast majority of our tests to work with gfortran
908    o Non-Hydrostatic:
909     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
910     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
911    o Allow to apply AB on T,S rather than on AB(gT,gS):
912     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
913     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
914       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
915     - need a "clever" read_pickup to restart from the other AB formulation
916    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
917    o remove some unused variables (reduces number of compiler warnings)
918    o adjoint
919      * Disable useVariableViscosity for adjoint for time being
920        (there are a number of extensive recomputations)
921      * Initialize certain variables needed for adjoint
922    
923    checkpoint57w_post
924    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
925                 fix the singleCpuIO RS version of MDSWRITEFIELD
926       and add a WARNING if using globalFiles=T with multi-processors.
927    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
928      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
929    o tracer advection scheme:
930      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
931       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
932       was not very convenient).
933      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
934       (further tests needed for the implicit DST & Flux-Limiter schemes).
935    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
936      and sRef for convenience, handy, when you want to initialize
937      ptracers in a large domain with a constant non-zero value. Also,
938      untangle ptracers_init.F a little.
939    
940    checkpoint57v_post
941    o change dome exp. to use variable viscosity in side-drag terms.
942    o remove all the files from the cfc_offline test since they are now
943      incorporated into tutorial_cfc_offline which has been producing
944      identical results for a few days of testing
945    o add new parameter: sideDragFactor to enable half-slip-side BC
946      and change side-drag S/R to use viscosity from mom_calc_visc
947      (can switch back by setting sideDragFactor=0.); affects results at
948      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
949       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
950    o vorticity & strain are now computed without masking, to account for
951      no-slip-side BC in variable viscosity calculation ; mask is applied
952      anyway later on, before computing advection/coriolis terms.
953    o modify exp4 to test new obcs support for reading from external files
954      and for passive tracers
955    o fix behavior of ptracers_monitor when monitor output is written to a
956      netcdf-file; still not independent of monitor.F (writes in the same
957      file).
958    o change default value of tRef (put a uniform, meaningful value for ocean
959      & atmos) and initialize sRef (was missing, as Martin mentioned).
960    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
961      to be proportional to enstrophy dissipation length.  Thus,
962       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
963      This is now consistent with Smagorinsky and with the manual.
964    
965    checkpoint57u_post
966    o OBCS and PTRACERS: add open boundary support for passive tracers
967      - either use homogenous (pseudo) v.Neumann conditions or prescribe
968        OB-values from file; this is not different from the way theta and salinity
969        are treated
970      - however, Orlanski-radiation conditions are not supported, and the model
971        will stop if you use pTracers and Orlanski at the same time.
972      - beefed up the rountine obcs_external_fields_load: now only those open
973        boundary values are overwritten with values from files for which there
974        are really files, otherwise the OB-fields remain untouched. This makes
975        it possible to use different OBs at different ends of the domain (as
976        with EXF)
977    o reduce number of exch calls in shap_filt (s2).
978    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
979      truncation level) 4/5 MLAdjust test results (11&12 digits match).
980    
981    checkpoint57t_post
982    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
983    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
984      same truncation, independent of the face number: affects affects several
985      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
986    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
987      note that biharmonic viscosity + no-slip was not tested in any experiment.
988    o fix bug in non-linear free-surf side-drag ; generate new output for
989      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
990    o make mnc honor the writeBinaryPrec flag for most kinds of output
991    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
992    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
993      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
994    o add brackets in multi-terms sum to get same truncation, independent of
995      the face number (manage to get exactly same value of gU,gV at the cs-edge)
996      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
997    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
998      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
999      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1000      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1001      Suggested values of viscosity parameters found in mom_calc_visc.
1002      Many new viscosity diagnostics available.
1003    
1004    checkpoint57s_post
1005    o Add clearing-house for viscosity calculations, mom_calc_visc and
1006      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1007      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1008      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1009      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1010      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1011      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1012      ViscAhStrain and viscAhTension are now retired.
1013    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1014    o In response to JMC's bug report, genmake2 now ignores any soft-links
1015      that it finds in the *current* directory when searching for files.
1016      Soft-links found in any other source directories will still work as
1017      they did before.
1018    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1019      a C routine to unlimit the stack size
1020    o mnc-ify pkg/aim snapshot vars
1021    o mnc-ify pkg/land as requested by Daniel
1022    o various changes to mnc including:
1023      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1024      - output can now be grouped so that all files within a group
1025          change the ITER portion of their names in lock-step together
1026      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1027          and works with both EXCH1 and EXCH2 (but needs more testing)
1028      - writing works for all verification test cases w/ g77 on Linux
1029    
1030    checkpoint57r_post
1031    o make MNC variable initialization happen earlier
1032    o add diagnostics for (almost) each term of the momentum Eq.
1033    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1034    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1035    o remove MINIMAL_TAVE_OUTPUT option ;
1036      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1037    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1038      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1039    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1040    o add time-dependent SST, SSS control
1041    o cost terms in ecco/ modularized (new cost_generic.F)
1042    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1043    o new infrastructure for seaice model vs. obs misfits in seaice/
1044      * driver from the_main_loop.F is seaice_cost_driver.F
1045      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1046      * gradient check in Exp. 6a of natl_box_adjoint/
1047    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1048      (see README file)
1049    
1050    checkpoint57q_post
1051    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1052    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1053      - bug was reported by Jean-Michel and Ian Fenty
1054    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1055      update exp. cpl_aim+ocn output.
1056    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1057      Needed for high-res. runs with large global files
1058      to be able to limit tapelev size
1059    o Changed some tests for adjoint:
1060      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1061      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1062      * global_ocean.90x40x15/ back to default 3-level checkpointing
1063    o Modifications to enable scripted COMMON to MODULE conversion
1064      * verification/OpenAD/code/ has necessary scripts and description;
1065      * converts, compiles and runs successfully;
1066    
1067    checkpoint57p_post
1068    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1069    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1070      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1071    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1072    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1073      (was already the case for dissipation with mom_vecinv,
1074       and also the case for grad.PhiHyd when staggered-timeStep)
1075      This will allow to put dissipation out-off the AB time-stepping.
1076     Unfortunately, affects truncation error. Update output of exp. that "fails"
1077      (cg2d matching number) and leave the others for later: front_relax(10),
1078      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1079      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1080    
1081    checkpoint57o_post
1082    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1083      (2) its ready to be documented during the 20050801 DocFest
1084    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1085      for ideal_2D_oce and lab_sea on linux_ia32_g77
1086    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1087      in global1x1_tot/code_seaice_adj to access indices 32, 33
1088      (worth another tag)
1089    
1090    checkpoint57n_post
1091    o adding precip control xx_precip 32
1092    o adding swflux control xx_swflux 33
1093    o Replacing 10 forcing penalty cost routines by 1 generic.
1094    o Implementing partitioning in time-mean and variable adjustment
1095      for atmos. state.
1096    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1097    o in natl_box_adjoint:
1098      * updated exp 1 to 10
1099        (but does not have time-mean vs. variable split results yet)
1100    o updated global1x1/*_seaice_adj/
1101      to incorporate latest changes
1102    o enable useSingleCpuIO for mdsio vector routines
1103      (applies in particular to tapelev I/O)
1104    o removed inefficient K-loop in all active_file*control*.F
1105    
1106    checkpoint57m_post
1107    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
1108      and advect_cs (use EXCH-2 and standard cs-32 grid files).
1109    o pkg/exch2: filling of face-corner halo regions is optional
1110      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
1111    
1112    checkpoint57l_post
1113     tag before updating tutorials (pre-release-2)
1114    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
1115       for output and interpolation of input fields onto model grid)
1116    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
1117       Affects results of exp. rotating_tank ; update output.txt.
1118    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
1119          and taking the square quantity and/or using a fraction-weight field.
1120    o fix aim_diagnostics_init.F mate numbers.
1121    o add mnc output capability to diagnostics/diagstat and update
1122      our cvsignore files for the ACSII output generated
1123    
1124    checkpoint57k_post
1125    o lab_sea now uses diagnostics package and provides a suite of
1126      new EXF diagnostics output.
1127    
1128    checkpoint57j_post
1129    o exf
1130      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
1131        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
1132        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
1133      * extended diagnostics output
1134        - now includes all EXF variables
1135        - hs, hl moved to common block
1136        - separate S/R for diagnostics, called after ctrl vector is added
1137        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
1138        - EXFqnet contains true Qnet (i.e. includes qsw)
1139      * updated verif. lab_sea, global_with_exf
1140      * Rearranging hflux (exf_mapfields -> exf_getforcing)
1141        to ensure that diagnostics sees a true EXFqnet
1142    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
1143    o diagnostics pkg: change pointers so that 1 diagnostic can be used
1144      several times with different frequencies.
1145    o mnc-ify the thsice package as requested by Daniel Enderton
1146      - the monitor--MNC output needs work
1147      - many attributes need to be added (most are currently blank)
1148    o mnc-ify theaim_v23 package as requested by Daniel Enderton
1149      - many attributes need to be added (most are currently blank)
1150    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
1151    o add Sadourny like discretization to the 4th.O vorticity advection scheme
1152    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
1153      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
1154         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
1155    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
1156     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
1157    
1158    checkpoint57i_post
1159    o Diagnostics package was changed: diagnostic allocation is now deactivated
1160      by setting an empty file name in the namelist (used to be by setting 0 frequency)
1161    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
1162      add 1rst Order upwind vertical Shear.
1163    o add a quick fix for A/B checkpointing in OFFLINE mode
1164    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
1165      end-run around the C/Fortran linking horror in eesup/src/timers.F
1166    o added pkg/runclock: allows user to terminate run based on wall clock
1167    o added non-hydrostatic scaling parameter: nh_am2
1168    o pkg/my82: futile attempt to make results compiler-independent by adding
1169      some "_d 0", etc. no effect.
1170    o for mnc output, fill the 'T' coordinate var with myTime and create a
1171      separate 'iter' variable for iteration count
1172    o pkg/diagnostics:
1173      add new capability: output of Global/Regional & per-level statistics ;
1174      tested against monitor output (including land & thSIce) on various exp.
1175    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
1176    
1177    checkpoint57h_done
1178      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
1179      data.diagnostics, data.gchem, data.ptracers) is done.
1180    
1181    o pkg/diagnostics: prepare for Global/Regional statistics.
1182      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
1183    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
1184      and rename it: DIFFERENT_MULTIPLE
1185    
1186    checkpoint57h_post
1187    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
1188    o pkg/diagnostics: change output frequency, now in seconds (instead
1189      of Nb of iterations). This requires to change data.diagnostics.
1190    checkpoint57h_pre
1191    
1192    o in mnc, let the user create the output dir if both mnc_outdir_date
1193      and mnc_outdir_num are false
1194    o add fflags() to pkg/diagnostics which allows one to specify, on a
1195      per-file basis, the file precision [default behavior is unchanged]
1196    o added diagnostics to pkg/kpp, including computation of mixed layer
1197      depth based on a temperature/density criterion
1198    o updated verification/natl_box to test the new pkg/kpp diagnostics
1199    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
1200    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
1201    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
1202      not mnc -- this mistake was found by JMC and is now corrected
1203    
1204    checkpoint57g_post
1205    o add Adams-Bashforth 3rd Order time stepping:
1206      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
1207      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
1208    checkpoint57g_pre
1209    
1210    o make lambda[Theta,Salt]ClimRelax spatially varying
1211      (default remains spatially uniform constant based on tau)
1212    o added new control variables
1213      * init. uVel, vVel, etanN
1214      * lambda[Theta,Salt]ClimRelax
1215    o separate masks used for ctrl_pack/unpack 'from write_grid' output
1216      (suggested by G. Forget)
1217    
1218    checkpoint57f_post
1219    o add parameter "baseTime" = model base time = time at iteration zero
1220      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1221      account for baseTime shift
1222    o move Coriolis arrays from PARAMS.h to GRID.h
1223    checkpoint57f_pre
1224    
1225    o mnc-ifying the seaice package
1226    o introduced an alternative length scale calculation for use in the limiting
1227      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1228    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1229    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1230      as well as grad(vort3).  Made it compatible with both approximate form
1231      for the cubed sphere and full form of these gradients.  Added flag
1232      useFullLeith to select between approximate and full form.  
1233    o add "d0" in getcon.F to reduce differences between compilers/platforms
1234      update output.txt of exp. fizhi-gridalt-hs
1235    o change port_rand funtion to allow to set the seed.
1236    o fix obscure MNC bug involving conversion between reals and integers
1237      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1238        new version is now more standards-compliant
1239    o adjoint-related modifications
1240      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1241      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1242      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1243    
1244    checkpoint57e_post
1245    o Adding eddy stress controls a la Ferreira et al.
1246    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1247    
1248    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1249      update output.txt of exp. fizhi-gridalt-hs
1250    o add more "Z" dimensions and associated coordinate vars to MNC
1251    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1252    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1253      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1254      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1255      months and years.  Requires pkg/cal.
1256    o diagnostics: add pickup functionality
1257      - off by default for backwards compatibility
1258      - current version only uses MDSIO -- MNC will be added
1259    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1260    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1261    
1262    checkpoint57d_post
1263    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1264    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1265      output from the diagnostics package
1266    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1267    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1268      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1269    o add coordinate variables to the MNC output from the diagnostics package
1270    o change MNC-flags default value: true when useMNC=TRUE
1271    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1272      the ability (off by default) to read the grid information using MNC
1273    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1274    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1275    o do snap-shot diagnostics at the middle of the time-interval (instead of
1276      at the end).
1277    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1278      new test for AIM with thSIce + slab-ocean
1279    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1280    o move state variable diagnostics to the beginning of the time step ;
1281      (note: still needs some work specially for snap-shot diagnostics)
1282      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1283    
1284    checkpoint57c_post
1285    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1286    o generate new output.txt files on faulks with g77 & the new -ieee option
1287    checkpoint57c_pre
1288    
1289    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1290      update output.txt of exp. global_ocean.90x40x15
1291    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1292      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1293    o add saltFlux(+File) forcing capability with periodicExternalForcing
1294    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1295    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1296    o improvements for the MNC output from DIAGNOSTICS:
1297      - correct handling of the unlimitied dimension
1298      - all dims now have associated coordinate variables
1299      - variables located at U, V, and Corner ("Z") points are now written
1300        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1301        *all* data points are output
1302    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1303    o added pkg/seaice/seaice_monitor.F
1304    o mdsio_readfield.F can now read files visible only to master MPI process.
1305    o pkg/seaice: some test code for ice-modified ocean stress
1306    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1307      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1308      spurious negative numbers for precipitation and humidity.  Will cause
1309      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1310    o pkg/ctrl/
1311      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1312        May be enabled via doPackDiag
1313      *  introduce z-scaling of
1314         + gradient (doZscalePack) and
1315         + control (doZscaleUnpack)
1316    o pkg/mdsio/
1317      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1318      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1319    
1320    checkpoint57b_post
1321    o simplify options in diagnostics_fill arguments (remove weird combinations)
1322    o fix MNC coordinate variables so that they now contain per-face index
1323      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1324      general, EXCH2 grids are only aligned to a "local" coordinate system
1325    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1326    o Implement instantaneous output within pkg diagnostics:
1327      setting a negative frequency in data.diagnostics produces
1328     "snap-shot" output (as opposed to time-average if freq > 0)
1329    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1330      NOTE: change ptracer diagnostics name: use 2 characters to work with
1331            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1332    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1333      becomes the coordinate variable for the 'T' dimension
1334    o add CF-style coordinate variables to MNC
1335      - just a first cut:  numbers are meaningless on the cubesphere and
1336        missing along the T axis but otherwise it works!
1337    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1338    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1339    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1340      this is based directly on what the model compute, so that the content of
1341      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1342    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1343    o clean up build options files for SunOS, in particular
1344      - remove -traditional from xmakedepend
1345      - change -xarch=v9 to -xarch=native for f77
1346      - restore use of make (not gmake)
1347      - add CC=gcc if using g77
1348    o changes per discussion of AM, JMC, & EH3 today:
1349      - move redundant "grid" variables out of "state" -- in preparation of
1350        creating proper CF-style coordinate variables and in recognition
1351        that any/all grid variables can be easily copied (eg. w/NCO) from
1352        the grid files into any of the other NetCDF files
1353      - *always* output grid variables with MDSIO (this will eventually be
1354        changed)
1355      - output MNC grid file if useMNC is true
1356    o every instance of _END_MASTER() has been found and replaced with
1357      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1358      preprocessors
1359    o re-arrange diagnostics pkg initialisation:
1360     - allow each package to extend the available diagnostics list
1361     - add some checking and fix small problems (multi-threaded, ...)
1362     - new S/R diagnostics_fill (replace fill_diagnostics):
1363       look through the short list of active diag. (instead of the long list)
1364       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1365    
1366    checkpoint57a_post
1367    o this set of changes restores TAMC compatibility
1368      tested for global_ocean.90x40x15 adjoint on trough
1369      (what a pain)
1370    
1371    checkpoint57a_pre
1372    o some modifs in tools/build_options for sunos
1373    o call ctrl_pack for ctrl at end for optimcycle=0
1374    
1375    checkpoint57
1376    o add horizontal bi-harmonic viscosity for vertical velocity
1377      - new parameter viscA4W (defaults to viscA4)
1378      - affects only non-hydrostatic code
1379      - to be done: no-slip lateral boundary conditions
1380    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1381    o implement Implicit Vertical advection for pTracers
1382    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1383      (implemented also for implicit vertical diffusion & advection)
1384    o OBCS: extend application of tracer open boundary conditions
1385      to a strip beyond the boundary of width Olx/Oly
1386    o add call monitor to TAF set of required calls (flow directives)
1387      and include in natl_box_adjoint
1388    o untangle a few ifdefs related to cost, ctrl, autodiff
1389      untangel a few ALLOW_ECCO_OPTIMIZATION
1390    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1391      (theta2, salt2 in ecco_cost_weights)
1392    
1393    checkpoint56c_post
1394    o OBCS as control variables
1395      - update ctrl_ad_diff.list, obcs_ad_diff.list
1396      - remove balance of obcs controls from default
1397      - fix index bug nobcs in ctrl_init
1398      - fix dummy fields filen in ctrl_pack
1399      - add dummy weights for obcs
1400    o lsopt: comment out fort.94 output
1401    o optim:
1402      - remove unnecessary header files
1403      - adjusted namelists
1404      - add xerbla.F to Makefile
1405    o exf:
1406      - multiple modifications of exf_check_range
1407      - unit change in exf_init_runoff from [m/year] to [m/s]
1408    o mdsio:
1409      - i/o-vector change debugLevel from debLevA to debLevB
1410    
1411    checkpoint56b_post
1412    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1413      is called from DO_THE_MODEL_IO
1414      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1415      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1416      - clean up PTRACERS_WRITE_TIMEAVE a little
1417    o add another verification experiment that tests both the cfc-pkg and
1418      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1419      reactive tendencies treated inline with regular timestepping
1420    o testreport previously did a lousy job of comparing small numbers, so
1421      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1422      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1423      testreport.
1424    o ptracers_monitor: bug fix for MPI
1425    
1426    checkpoint56a_post
1427    o GCHEM: finish reorganizating the package
1428      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1429        (introduces another 3D-array for each passive tracer, but only if
1430        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1431        gchemTendency is not needed because the timestep is done separately)
1432      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1433      - GCHEM is now---more or less cleanly---separate from PTRACERS
1434      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1435        so clear to me how that should be done in a general way.
1436    o CFC: improve formatting of output in CFC_ATMOS
1437    o PTRACERS:
1438      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1439        that ALL experiments with ptracers enable can be checked. This makes
1440        GCHEM_MONITOR obsolete.
1441      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1442        monitorFreq
1443      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1444    o add PTRACERS (PTR0[1-5]) to testreport output
1445    o exf_check_range:
1446      * default changed to .TRUE.
1447      * will check values for niter0 if debLevA, every timestep if debLevB
1448      * STOP in exf_check_range if 'out of range'
1449      * range chosen generous to allow for potential extema
1450      TBD: a version with stricter range
1451           permitted range would be runtime parameters
1452  o GMredi:  o GMredi:
1453    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1454    - 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 1457  o GCHEM:
1457    - 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
1458      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1459    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1460      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1461        this flag is now only visible within GCHEM-pkg routines.
1462      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1463        be replaced by a 3D array that is computed before thermodynamics; for
1464        this, the tracer ID iTracer had to be included into the parameter list
1465        of ptracers_forcing
1466      - set up forward_step to call gchem_forcing, that will replace
1467        gchem_forcing_int in ptracers_forcing
1468      - cleaning up
1469  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
1470    
1471  checkpoint56  checkpoint56

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