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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.844 by heimbach, Thu Jun 21 04:16:36 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 seaice adjoint
8      * add AREA, HEFF, HSNOW as control variable
9        (should not change lab_sea results)
10      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
11    
12    checkpoint59d
13    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
14     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
15     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
16    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
17     and change default value of parameter "GM_Small_Number";
18     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
19       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
20       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
21    o pkg/ecco: cost function when applying pkg/smooth to controls
22    o pkg/ctrl: add forcingPrecond run time parameter
23    o pkg/seaice:
24     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
25     - fix bug in metric terms of u-equation in LSR solver (implicit part),
26       changes verification/lab_sea
27     - rearrange implicit part of u-equation in LSR solver to make it easier to
28       read, understand, and debug. This causes changes at the truncation level.
29     - fix (serious) bug in the boundary conditions (sign error in the implicit
30       part) of the LSR solver. Changes all LSR results.
31     - fixed problem with HSNOW initialization to avoid thick snow when AREA
32       is initilized with small values - does not change lab_sea results.
33     - added HsnowFile initialization capability
34    o pkg/smooth: addition to model/src and pkg/ctrl so allow
35     initialization of pkg/smooth and application to control vector
36    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
37    o dependencies: pkg/profiles requires pkg/cal
38    o pkg/profiles:
39     - added option ALLOW_PROFILES_GENERICGRID
40         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
41         that interpolation information (grid points and coefficients) is provided
42         within the netcdf input files.
43         -> sample matlab scripts can be found in MITgcm_contrib/gael
44         that allow you to prepare netcdf input files.
45     - also modified: cleaner include statements, cleaner error print statements,
46       cleaner stops when error, and more tests of the netcdf input files consistency.
47    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
48    o pkg/seaice:
49     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
50       requires a new routine: seaice_diagnostics_fill.F
51     - make sure that seaice does not move if not forced (pressure replacement
52       method, Hibler and Ip, 1995), changes results
53     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
54     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
55       It is turned off by default (=-1.), because it changes the results.
56     - make it possible to read AREA from a file, too.
57    
58    checkpoint59c
59    o add S/R and diagnostics for oceanic mixed-layer depth
60    o move GMRedi call after all vertical mixing schemes (including KPP)
61    o pkg/thsice:
62     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
63      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
64    o pkg/obcs:
65     - bug fix for balance code
66    o pkg/seaice:
67      - allow values of SEAICE_elasticParm > 1
68      - add new parameter SEAICE_evpTauRelax as an alternative
69        to SEAICE_elasticParm
70      - make lsr boundary conditions free slip (by default), changes result
71      - add code for no slip boundary conditions for lsr
72      - set minimum of zeta to zero (and not 4e8) (changes results)
73      - add a cap on AREA after advecting AREA if seaice_growth is not called
74    o change calculation of Visbeck K:
75      - no longer depend on tapering scheme; instead, compute slope (limited
76        by GM_maxSlope). this is equivalent to what was comuted before with
77        clipping or linear tappering.
78      - fix vertical averaging (wrong by 1/2 level)
79      - leave the old version (but will not be maintained) within
80        #ifdef OLD_VISBECK_CALC / #endif
81      - update output of exp. ideal_2D_oce
82    o change error catch in calc_r_star to improve vectorization
83    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
84      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
85    o adjoint:
86      Re-organized adjoint checkpointing according to Matt Mazloff
87      (but with modifs/completions/cleanups)
88      Storing is now bundled into large arrays to optimized I/O
89      (and second step in cleanup of the_main_loop)
90    
91    checkpoint59b
92    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
93      - export/import (between ocean & coupler) fields needed for ocean DIC.
94    o pkg/seaice:
95      - get rid of three more exchanges seaice_calc_viscosities (required
96        different loop boundaries in seaice_lsr and seaice_ocean_stress)
97      - bug fix in seaice_ocean_stress (update of lab_sea required)
98      - reduce loop boundaries to necessary minimum also in seaice_evp
99      - go back to the old way of computing deltaC/Z as the adjoint likes that
100        better
101    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
102      passive tracer to an Age Tracer) + update output.txt
103    o pkg/exf:
104      - implement A-grid / C-grid selection for wind-stress input files.
105      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
106      for now, in exf_bulk_largeyeager04.F only :
107      - change implementation for case where windspeed + 2. components wind-stress
108        are read-in. AND use rhoConstFresh to convert evap.
109    o pkg/seaice:
110      - use correct EXCH_UV for wind-forcing (on A-grid).
111      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
112        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
113    o pkg/exf:
114      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
115      EXF_INTERPOLATION:
116      - merge global_with_exf/code version of exf_interp_read.F
117        to the main code ;
118      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
119        reading the file ; Important: This options needs to be defined to recover
120        previous code.
121        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
122      - no longer loose real*8 precision along the way when using exf_iprec=64.
123    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
124      - change discretisation of evp-solver in order to avoid another exchange
125        (changes lab_sea) and clean up a little
126      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
127        help the adjoint (this also changes the results slightly)
128      - add a few "_d 0" where they had been missing in seaice_evp.F
129      - cleaning up: remove unused seaice_calc_rhs.F
130    o pkg/exf: some cleaning-up:
131      - change various "constants" into runtime parameters
132      - cleaned-up Large&Yeager04 routine which should eventually
133        replace exf_bulkformulae.F (changed names of S/R and CPP)
134        and merged various ALLOW_ATM_WIND options
135     only used with thsice pkg (in thsice_get_exf.F):
136      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
137        which are used when useStabilityFct_overIce=TRUE (= the default)
138      - change default values of ice & snow emissivity and scale downward LW
139        by ice & snow emissivity.
140    o pkg/thsice:
141     fix few little problems, in thsice_calc_thickn.F:
142      - growth vertically (and not laterally) if iceFrac == iceMaskMax
143      - melt only laterally if hIce < hThinIce (as the comments say)
144      and in thsice_extend.F:
145      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
146      - start to form ice as soon as the minimum ice-volume is reachable.
147     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
148      and cpl_aim+ocn
149    o pkg/kpp
150     - move computation of surface related input fields to KPP into a new
151       subroutine kpp_forcing_surf.F
152     - remove wrong (within bi,bj loops) EXCH calls.
153     - little cleaning (add argument myThid in last position, cvs header ...)
154     - for now, fix conservation problem by exchanging KPPviscAz (may not
155       be the best fix)
156    o pkg/seaice
157     - check for inconsistent evp parameter/cpp-flag combination
158     - remove leftover errIO flat for obsolete name list error handling
159    o OpenAD
160     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
161    
162    checkpoint59a
163    o pkg/seaice: some parameter clarifications and a little bit of clean up
164    o pkg/thsice: rename run-time parameters:
165       himin       -> hIceMin
166       himin0      -> hThinIce
167       hihig       -> hThickIce
168       i0          -> i0swFrac
169       transCoef   -> bMeltCoef
170       frac_energy -> fracMelting
171      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
172       with default values (for now) that do not change the results.
173      remove old version of thsice vars advection in pkg/seaice.
174    o in FFIELDS.h:
175      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
176      - make pLoad & sIceLoad always available (but still only used if
177         ATMOSPHERIC_LOADING is #define).
178    o pkg/kpp: replaced _KPP_RL with _RL
179    o bug fixes for vertical diffusivity computations when both KPP and
180        3D diffusivity arrays are used.
181    o pkg/seaice: fix bug in evp solver, while doing that
182      - change (improve?) discretization of stress computations for both
183        cgrid-lsr and evp solver
184      - add a new routine to compute strain rates
185      - the above changes lab_sea results
186      - add no slip conditions for evp solver (off by default), lsr-version
187        may follow
188      - fix exchange for shear at Z-points (does not change lab_sea)
189      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
190        (to force the user to pick a time step since there is not "safe" way
191        of choosing it)
192      - add principal stress diagnostics
193      - rearrange fields for evp a little to avoid having to call a: too many
194        exchanges and b: exchanges for stress trensor components which we do
195        not have.
196      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
197        of evp, complete rewrite for lsr case (latter is does not yet work
198        in all cases)
199    o pkg/kpp: add code to have mixing in shelf ice caverns
200      - add myThid to all kpp routines (long overdue)
201    
202    checkpoint59
203    o pkg/exf:
204      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
205        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
206      - move exf header files from lower_case.h to UPPER_CASE.h ;
207        add missing cvs Header & Name
208      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
209      - add namelist param. selectStressGridPosition, exf_monFreq
210      - retire many _CLIM routines, and remove data.exf_clim
211        + params moved to data.exf
212        + climsst, climsss now handled by exf_set_gen, i.e.
213          climss?period=0 refers to constant field,
214          climss?period=-12 to monthly forcing
215      - split up namelists in data.exf
216    o pkg/seaice:
217      - remove seaice_exch and seaice_exch_uv
218      - remove superfluous exchange of theta
219      - add myThid to seaice_budget_ocean/ice
220      - add new interface for atmospheric wind forcing (C-grid only)
221        + new routine
222        + two new field (taux, tauy for stress over ice)
223        + removed one global field (DAIRN) for C-grid case only
224    o pkg/thsise
225      - 2nd set of modifs for thsice adjoint in conjunction with exf
226    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
227    
228    checkpoint58y_post
229    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
230      vertical diffusivity, similar to that in MOM4; turned on using
231      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
232      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
233    o Added capability for 3D specification of background vertical diffusion
234      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
235      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
236      "data" file that contains the 3D vertical diffusivity coefficients.
237    o ice dynamics (pkg/seaice) with thsice thermodynamics:
238      - add code within pkg thsice to advect & diffuse sea-ice fields
239      similar to (and will replace) what has been added in  seaice_advdiff.F,
240      but: - conserving Mass, Heat & Salt.
241           - better when using non-linear advection scheme (not yet fully tested)
242           - can also be used in atmospheric set-up (for now, only the diffusion).
243    
244    checkpoint58x_post
245    o IO option for global-file compact format:
246      - add options when generating topology (utils/exch2/matlab-topology-generator)
247      - add I/O capability (pkg/mdsio).
248      - adapt utils/matlab/rdmds.m to read this format.
249      for now long-line format not yet supported by pkg/mdsio (& exch2).
250    o shelfice: add a few diagnostics
251    
252    checkpoint58w_post
253    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
254      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
255      (and replace horiVertRatio in NH code).
256      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
257                         and tutorial_plume_on_slope (sensitive to truncation)
258    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
259      directly to drive seaice model (C-grid only)
260    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
261     - reintroduce computation of wind from stress,
262     - compute tau (in exf_bulkformulae.F) from windstress averaged to
263       mass points to avoid tau = 0
264     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
265    o rdmnc.m: make it work with "global" files created with gluemnc
266    o rdmnc.m : some improvements in dealing with singleton dimension
267      (tested on all testreport mnc output files).
268    o genmake2: disable pkg/profiles if netcdf test fails.
269    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
270    o move call to cal_readparms up to make calendar parameters/variable available
271      to all packages
272    
273    checkpoint58v_post
274    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
275      useDynP_inEos_Zc tested.
276    o pkg/exf: changes to properly interpolate/mask/scale initial fields
277    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
278      and portions thereof.  See read_cs.txt for description and examples.
279    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
280      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
281      following the great-circle arc between those 2 points.
282    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
283      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
284    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
285     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
286     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
287     - still needs work (not working with some options ; efficiency to improve)
288       and serious testing.
289     - use this scheme for temperature & salinity in 2 advection test exp.:
290       advect_xy & advect_xz, respectively.
291    
292    checkpoint58u_post
293    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
294    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
295    o testreport: add option "-skipdir" to skip some test.
296    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
297      momentum calculation.
298    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
299    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
300      remove checkpoint.F and the_correction_step.F (no longer used);
301      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
302    o add option (linFSConserveTr) to correct for tracer source/sink due to
303      Linear Free surface
304    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
305    o pkg/thsice: fix reading mnc-pickups
306    
307    checkpoint58t_post
308    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
309    o pkg/mdsio:
310     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
311       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
312       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
313     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
314     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
315       either MDS_READ_FIELD or MDS_WRITE_FIELD )
316     - new S/R (to replace MDSWRITEMETA), which allows to write more
317       informations (variable names, time ...) to meta files.
318     - modify rdmds.m to give back the meta file content.
319    o pkg/diagnostics: change vertical interpolation to be safer, and more
320       flexible (define p-levels to interpolate to in data.diagnostics);
321      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
322       diagnostic pointer.
323    o pkg/seaice: more cleaning up of seaice_growth, added many comments
324    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
325    o fix multi-category seaice:
326     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
327       SEAICE_MULTICATEGORY
328     - fix short wave heat flux
329    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
330       and allow to use EVP solver. Change forward lab_sea: test both EVP
331       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
332    o Initial check-in of lab_sea adjoint
333      (very similar to natl_box_adjoint/code_seaice)
334      * used C-grid and EVP solver
335      * used KPP, GM/Redi
336      * uses inAdExact=.TRUE.
337      * gradient checks fail for both ADM and TLM
338        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
339        f.d. gradients actually seem more problematic than ADM, TLM gradients;
340        issue is related to forward mismatch between g77 an ifort
341    o pkg/seaice: overhaul of thermodynamics
342     - growth.F and groatb.F are replaced by new routine seaice_growth.F
343     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
344     - move a few global fields out of SEAICE.h into seaice_growth.F and
345       make them 2D (FICE/QNETO/ ...)
346     - remove FO (it is the same as QNETO)
347     - introduce a few local fields to avoid modifying external fields such
348       as atemp, etc.
349    
350    checkpoint58s_post
351    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
352      changed exf_set_gen.F so that
353        genperiod=0 means input file is one time-constant field and
354        genperiod=-12 means input file contains 12 monthly means
355    o CG2D: use pre-computed solver main-diagonal (stored in common block);
356      this affects truncation error ; generate new output file for exp. which
357      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
358        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
359        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
360        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
361        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
362        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
363    o start implementation of deep-atmosphere and anelastic formulation
364    o verification: remove 2nd copy of input files and use script "prepare_run"
365      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
366    o mom_common/vecinv/fluxform: fix a few initialisation isssues
367    o profiles: fix for multithreaded case
368    
369    o diagnostics: rename few diags:
370      s/'PRESSURE'/'RCENTER '/g
371      s/'TICE    '/'oceFreez'/g
372      s/'TAUX    '/'oceTAUX '/g
373      s/'TAUY    '/'oceTAUY '/g
374      s/'SWFLUX  '/'oceQsw  '/g
375      s/DIFx/DFxE/g
376      s/DIFy/DFyE/g
377      and add few ocean-forcing diagnostics:
378      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
379    o modifications to pkg/seaice/growth.F and budget.F, which change results of
380      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
381      as actual snow thickness.  It now refers everywhere to effective snow
382      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
383    
384    checkpoint58r_post
385    o modifications to pkg/seaice/growth.F, which change results of
386      lab_sea experiment: fixes pertain to melting snow over open water, to
387      masking EVAP under sea ice, and to using the correct AREA variable for
388      computations of EVAP, PRECIP, HSNOW, and GHEFF
389    o add ability to read bathy, salt, and theta using MNC (off by def)
390    o add flooding algorithm and advection of HSNOW for pkg/seaice;
391      both are turned off by default and do no change any results
392    o seaice advection with pkg/thsice: a step toward the use of non-linear
393      advection scheme, but #ifdef or commented out for now (requires more EXCH).
394    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
395      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
396      in natl_box (affects results @ truncation level: update output.txt)
397    o multi-threading and IO:
398      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
399      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
400        (needed to work with SingleCpuIO): tested in all verif. exp.
401    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
402      affects the results (but none of the verification test uses this scheme).
403    o Adding some pkg/diagnostics capability to pkg/seaice
404      (will certainly be subject to changes)
405    o ctrl: adding new control variables:
406      lwflux, lwdown, evap, snowprecip, apressure, runoff
407    
408    checkpoint58q_post
409    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
410      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
411      high_res_cube configuration by 4% on Columbia.
412    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
413      add (in global_with_exf/code) a version of EXF_INTERP_READ without
414      dynamical allocation (seems to work in multi-threaded).
415    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
416      single CPU io) so that TAF does not have to see EESUPPORT.h
417    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
418    
419    checkpoint58p_post
420    o obcs: stop if obcs is used with useCDscheme = .true.
421    o shelfice:
422     - fix a sign error so that no slip at shelfice interface works
423     - remove stop for combination non-hydrostatic code and shelfice. That does
424       not mean, that the results are correct, but at least they are numerically
425       stable
426    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
427    o added adjoint exch routined for all exch*3d* routines
428      and updated flow directives
429    
430    checkpoint58o_post
431    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
432      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
433    o change controling S/R for writing pickup file (new S/R do_write_pickup)
434      and clean-up reading/writing of pickup files.
435    o fix local version of read/write pickup (NH part) in rotating_tank/code
436    o simplify EXCH interface:
437     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
438     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
439    o added the regrid package
440    o shelfice:
441     - add a simple boundary layer scheme to reduce noise
442     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
443    
444    checkpoint58n_post
445    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
446       local variable (not in common block).
447    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
448      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
449      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
450        to work with SingleCpuIO.
451    o add "_d 0" to real constant of pkg/cfc subroutines ;
452       update exp. cfc_exemple & tutorial_cfc_offline output files.
453    o multi-threading and IO:
454      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
455        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
456      - barrier before and after reading.
457      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
458      - avoid using MDS_WRITELOCAL for LAND pkg output.
459      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
460        common-block variables ; Allows multi-threading with master-thread IO.
461    o change default MAX_NO_THREADS from 32 to 4 ;
462      and stop cleanly when MAX_NO_THREADS is too small.
463    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
464    
465    checkpoint58m_post
466    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
467       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
468    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
469       keep global_ocean.90x40x15 (for AD testing) with former secondary test
470       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
471    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
472        add MITgcm_tutorials (= code + all the tutorials)
473    o ecco, option to compute cost for total ssh (mean+anom)
474    o consistent with addition of ptracer and ssh in pkg/profiles
475    o profiles: adding ptracer and ssh
476    o testreport: change multi-test output-file name
477      (from output.txt.{name} to output.{name}.txt)
478    o profiles: now ok for mutli-tiles case
479    o seaice: add 4 parameters for different advection schemes for area,
480      (effective) seaice thickness, enthalphy, and snow height. Their default
481      is the standard parameter SEAICEadvScheme
482    o calc_gw:
483     - add cosFacU in zonal viscous flux (harmonic.visc.).
484     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
485       of tutorial_plume_on_slope.
486    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
487    o calc_gw: true flux-form, account for horizontal grid spacing.
488      update rotating_tank results, but not plume_on_slope (affected at
489      truncation level, 11 digits).
490    
491    checkpoint58l_post
492    o calc_gw:
493     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
494     - remove side-drag for now (need to fix it); update plume_on_slope results.
495     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
496    o commit code to make SST/SSS weights spatially variable
497      (based on either variable in-situ or variable initial T/S weights)
498    o pkg/ecco:
499      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
500        now based on horizontally varying weights wthetaLev, wsaltLev
501      * cost_averagesflags now returns year indices in addition to day, month
502      * sflux balance is performed on annual basis
503        (sflxumm, sfluxmm2, bal_sfluxmm)
504      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
505        including separate counting and multipliers
506    o pkg/rbcs
507      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
508    
509    checkpoint58k_post
510    o testreport:
511     - always build in dir. "build" (if not there, mkdir build instead of building
512       & running in input)
513     - run in dir run (if it exists), in build otherwise.
514     - call prepare_run (if input/prepare_run exists)
515     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
516    o pkg/exf modifications to interpolation and rotation routines for more
517       reasonable treatment of North Pole singularity: for tracers North Pole
518       value is set to northernmost zonal-mean value, for zonal velocity it is
519       set to zero, and for meridional velocity it is set to northernmost value.
520    o pkg/exf/exf_check_range.F
521     - add tile index to diagnostics and move stop statement to the very
522       end of the routine.
523    o pkg/diagnostics: (diagnostics_main_init.F)
524      define title of isomorphic variables according to the current config.
525    o pkg/thsice with pkg/seaice dynamics:
526    - fix domain of computation (interior only, required for exf) and do exchanges
527    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
528    o towards a standard way of dealing with multi-threading in MONITOR
529      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
530    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
531       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
532    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
533    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
534    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
535       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
536    o tracer advection:
537     - clean-up and simplify calc_common_factors.F
538     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
539       advection subroutine (but still not used within DST advection S/R)
540    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
541    
542    checkpoint58j_post
543    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
544      from file (collects calls previously in FORWARD_STEP)
545    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
546    o adjoint store dir. adjusted accordingly
547    o genmake2
548      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
549    
550    checkpoint58i_post
551    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
552      on wind stress (SEAICEstressFactor defaults to 1.)
553    o Total number of Timers is finite (<=40): comment out 2 non-essential one
554      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
555    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
556      on CS-grid: no longer loosing mass.
557    o exf & curvilinear-grid: no longer modify longitude xC & xG.
558    o pkg/ggl90: fix sloppy output and fix a bug
559    o pkg/seaice: added SEAICEuseEVPpickup parameter
560      - Set to false in order to start EVP solver with
561        non-EVP pickup files when using SEAICEuseEVP
562      - fix sign error in diffusion in seaice_calc_rhs
563    
564    checkpoint58h_post
565    * Modifications for bottom topography control
566      o replace hFacC by _hFacC at various places
567      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
568      o add non-self-adjoint cg2d_nsa
569      o update autodiff support routines
570      o re-initialise hfac after ctrl_depth_ini
571      o works for 5x5 box, doesnt work for global_ocean.90x40x15
572    * Adding verification for 5x5 box (4-layer) bottom topography control
573    
574    checkpoint58g_post
575    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
576       used for mean seasonal cycle, mean diurnal cycle); add an example
577       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
578    o pkg/ggl90:
579      - add parameter (minimum surface kinetic energy)
580      - fix bug (avoiding division by zero)
581    o couple pkg/thsice to pkg/seaice:
582      - modify advection in seaice to accomodate new scalar fields to be advected
583      - only muliDimAdection scheme work with seaice/thsice
584      - mapping of thsice-variables to seaice-variables, back and forth
585      - does not break the verification experiments, but does not give the
586        desired results either
587    o pkg/seaice
588      - make (default) second order advection a bit less confusing?
589    
590    checkpoint58f_post
591    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
592      to pkg/seaice):
593      - new routines thsice_map_exf and thsice_get_exf provide the interface
594      - add an additional formal parameter to thsice_solve4temp
595    o pkg/exf:
596      - add new fields wspeed, snowprecip (to be able to couple to thsice)
597      - correct Stefan-Boltzmann constant
598      - new parameter for longwave surface emittance
599      - separate some stuff from exf_bulkformulae into new routines  
600        exf_radiation, exf_wind
601      - add new parameters and constants: longwave emissivity for ocean, ice
602        and snow, evaporation parameters over ice
603      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
604        either wind from stress or stress from wind
605    o pkg/thSIce:
606    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
607    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
608       and THSICE_CALC_THICKN
609    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
610    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
611      to make debugging easier.
612    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
613    o pkg/bulk_force:
614      - clean-up comments and parameters ;
615      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
616    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
617      generate new output for test-experiment: aim.5l_cs.thSI
618    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
619      testreport accordingly
620    
621    checkpoint58e_post
622    o SEAICE_CGRID adjoint done
623    o R_STAR adjoint implemented.
624      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
625      * need to sort out init. of h0facc, etc.
626    o Make pkg/profile fully independent of ecco,cost, etc. stuff
627      to be able to use it in pure forward.
628    
629    checkpoint58d_post
630    o upgrade simple test-experiment to tutorial example:
631     step.1: duplicate the experiment and (step.2) will remove the old copy.
632      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
633      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
634      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
635      tutorial_global_oce_biogeo    <- copy of dic_example
636      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
637      tutorial_plume_on_slope       <- copy of plume_on_slope
638      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
639      tutorial_global_oce_optim     <- empty for now (David ?)
640      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
641     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
642    o correct a sign problem in cost_scat.F
643    o obcs and ptracers: fix boundary conditions for advections schemes
644      with larger stencil
645    o thsice adjoint: start
646    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
647      completeness
648    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
649      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
650    o ptracers adjoint:
651      * avoid extensive recomputatations
652      * fix missing re-init. of gptr (missed by TAF)
653    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
654      me to turn off the excessive output to STDOUT that this package produces
655    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
656      and add those terms in Vector-Invariant formulation.
657    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
658      if the control period (xx_hfluxperiod etc) is 0
659    o in profiles pkg, clean routines and fix details
660    o in ecco pkg, reading ssh data:
661      fix problem in case the model does not start at iter0=0
662    o fix mnc-pickup/restart for ptracers
663    o new package prifiles:
664      code to compute profile-based cost by Gael Forget
665      (modifs in ecco, ctrl, autodiff)
666    o Benign bug fix in initialization (spotted by M. Mazloff) of
667      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
668    
669    checkpoint58c_post
670    o adjoint: finish NLFS adjoint and provide reference output in
671      verification/global_ocean.90x40x15/results_ad_nlfs
672    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
673      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
674      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
675      with SEAICE_CGRID defined.
676    o move calendarDumps from "data" to "data.cal" and clean-up the code
677      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
678    o add useEXF & useCAL flags (for now, set in hard-coded way)
679    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
680      (were missing in NH mode, and wrong in quasihydrostatic mode).
681      waiting for Chris updated version of calc_gw to add those CALLs.
682    o fix bug in quasihydrostatic S/R ;
683      add a test for this option: global_ocean.90x40x15.qshyd
684    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
685      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
686    o add on/off flag useOffLine for package OFFLINE
687    o seaice:
688      - modify advection so that it works also on the C-grid
689      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
690        problem in multi-tile runs with C-grid
691      - add flags for clipping ice velocities and/or masking solver forcing
692      - fix drag (ocean on ice) formulation and a bug that caused noise in the
693        C-grid solver
694      - added a few comments to seaice_diffusion.F
695      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
696        are now exclusive)
697      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
698        required re-ordering the code a little:
699       + make DAIRN global variable (defined in SEAICE)
700       + move computation of the viscosities eta and zeta into a new separate
701         routine (because I need to recompute them in seaice_ocean_stress.F)
702    
703    checkpoint58b_post
704    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
705      update output.txt of exp. aim.5l_cs.thSI
706    o various mnc cleanups and improvements:
707      + shrink lookup tables by factor of ~4
708      + better error reporting when running out of lookup space
709      + able to handle longer path/file names (up to 500 chars)
710    o adjoint:
711      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
712      - TBD: "hidden" mom_vecinv recomp. in dynamics
713    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
714     (allow to differentiate between forcing components using new integer flags:
715      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
716     and add new flag to put Dissipation tendency out of Adams-Bashforth.
717    o ecco
718      - enable trend removal from SSH anomaly obs.
719    o adjoint
720      - a fix for PmEpR when #undef EXACT_CONSERV
721      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
722      - try to fix "hidden" recomp. in forward_step for NLFS
723        (NLFS seems broken sometimes after I checked it in)
724    o seaice:
725     - add c-grid version of the dynamic solver:
726       + three new routines that are the c-grid substitute lsr, dynsolver
727         and ostres
728       + put a few fields that were local to dynsolver into global common
729         blocks, so that I can move the computation of stresses etc into
730         seaice_lsr (saves coding but may break the adjoint).
731     - replace more hardwired parameters by runtime parameters
732     - add ice masks that mask the rhs of the implicit solvers where there
733       is no ice (commented out in seaice_dynsolver, because i am not sure
734       if this works properly), eventually this should replace the clipping
735       of ice velocities in seaice_dynsolver to +/-40cm/s.
736    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
737      include it only where its needed
738    o move balancing of fluxes before the call of external_forcing_surf
739    o seaice:
740      - correct units of turning angles (now they are really in degrees)
741      - move computation of GWATX/Y out of main routine into dynsolver
742      - initialize GWATX/Y in seaice_init
743    o Apply mask on Fresh-Water flux (needed for SSH forcing).
744      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
745    o seaice: add runtime flags for turning angles (default to zero)
746    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
747      and trend from exf forcing and ctrl control adjustments
748    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
749      (since checkpoint57x_post)
750    o change the default rotation period to 86164.s = the Earth rotation
751    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
752      and based on a reference stratification. Tested within hs94.cs-32x32x5.
753    o seaice advection: add code for choosing between the default (2nd order
754      central differences) and multiDim advection schemes provided by
755      pkg/generic_advdiff
756    o seaice:
757      - removed all references to SEAICE_GRID.h fields from
758        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
759        (cubed-sphere configuration will change a little)
760      - grid computations in seaice_init are obsolete now.
761      - cleaned up code a little so that is easier to read (hopefully).
762      - added new (better?) discretizations of default advection and diffusion
763        (turn on with SEAICEuseFluxForm)
764      - replace 1 in 3d global fields by kSurface in growth.F
765      
766    checkpoint58a_post
767    o seaice:
768      - bug fix in advect.F
769    o shelfice:
770      - separate shelfice load anomaly from pload (breaks with time
771        dependent forcing), => introduce constant field shelficeLoadAnomaly.
772        Its default is 0., but it may be computed more cleverly from (unknown)
773        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
774        done offline. A good approximation of the pressure load anomaly is
775        necessary to avoid large initial adjustment processes underneath
776        deep-reaching shelfice.
777      - small fix in ISOMIP shelfice_thermodynamics
778      - add more sophisticated thermodynamics of Hellmer (1989), this is
779        now the default
780      - give a few constants more intuitive names
781    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
782      if bulk formulae are used in long integration (especially EmPmR). Turn
783      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
784      if balancePrintMean, the imbalance that is substracted is printed to
785      STDOUT.
786    o fix bug (typo) in obcs_apply_eta.F
787    o add a new package shelfice which enables us to model the circulation
788      underneath shelf-ice with draughts of hundreds of meters.
789     - works
790     - to do: + include improved thermodynamics
791              + check whether kSurfC (from model/inc/SURFACE.h) can be used
792                instead of new field kTopC
793              + can we use topoFile, Ro_surf and existing code in ini_depth.F
794                instead of new field R_shelfIce and new code in ini_depth.F
795                and ini_mask_etc.F?
796              + adjust vertical mixing schemes?
797    o seaice pkg:
798     - add a cpp-flag to include a simple formula for a salinity dependent
799       freezing point of sea water at the surface
800     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
801       meridional stresses are now different (and hopefully correct)
802    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
803       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
804       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
805    o pkg/diagnostics: add options and parameters for regional-statistics
806       diagnostics ; define regions by reading a region-mask from a file
807       (might add other options later)
808    o pkg/bulk_force:
809     - add option and parameters to use AIM surface-flux formulae.
810     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
811       others forcing fields (defined in PARM05, parameter file "data") are loaded
812       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
813     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
814     - use the right EXCH call for uwind,vwind (to work on CS-grid).
815     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
816       and parameters (note: calcWindStress replaces .NOT.readwindstress).
817     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
818    
819    checkpoint58
820    o add "--embed-source" option to genmake2 which, when the supporting
821      tools can be compiled (as determined by genmake2) will turn on the
822      embed_files package which then embeds the entire MITgcm source code
823      (*.[fFhc] + Makefile) used for the build within the executable
824      - requested by CNH but off by default
825      - adds a paltry <9MB to the mitgcmuv executable in most cases
826      - only writes the output when useEMBEDSRC in eedata is true
827    o clean up 3-dim. relaxation codes:
828      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
829      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
830      * Thanks to Tom Haine for testing!
831    
832    checkpoint57z_post
833    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
834      affects output (@ truncation level) of exp. plume_on_slope ; updated.
835    o fix the pickup behavior for obcs in combination with ptracers
836    o fix a bug in ptracers_external_fields_load
837    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
838      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
839    o transfered surface NH pressure to eta field (if exactConserv).
840    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
841         and update lab_sea output.txt file.
842    o completing 3-dim. relaxation code: additional term
843         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
844      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
845      * At compile time, in "EXF_OPTIONS.h" set
846          #define  ALLOW_CLIMTEMP_RELAXATION
847          #define  ALLOW_CLIMSALT_RELAXATION
848      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
849          tauThetaClimRelax3Dim = 15552000.0,
850          tauSaltClimRelax3Dim  = 15552000.0,
851      * 3 cases:
852          1) Use a constant-in-time 3-dim. field
853          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
854          3) Real-time relax. to time-evolving prescribed field
855    o Adding Laplacian-type smoothness constraint on
856      initial and boundary (forcing) controls (ic, bc)
857      * enable at compile-time via
858        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
859      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
860      * Absolute scale somewhat unclear so far
861      * no area weighting was included since no other cost term does so far
862    
863    checkpoint57y_post
864    First step for a NLFS adjoint
865    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
866    o new init. routines for calc_r_star, calc_surf_dr
867    o still need to deal with ini_masks_etc
868    o testreport seemed happy
869    checkpoint57y_pre
870    
871    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
872    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
873    o add new offset feature to offline pkg (plus minor cleanup)
874    o cfc fixes for final year of integration
875    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
876      be in GCHEM_OPTIONS).
877    
878    checkpoint57x_post
879    o fix testreport Pb in multiple test experiment.
880    o cleanup our namelist syntax in verification:
881      - make it more F95 standards compliant (some work still needed)
882      - allows the vast majority of our tests to work with gfortran
883    o Non-Hydrostatic:
884     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
885     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
886    o Allow to apply AB on T,S rather than on AB(gT,gS):
887     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
888     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
889       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
890     - need a "clever" read_pickup to restart from the other AB formulation
891    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
892    o remove some unused variables (reduces number of compiler warnings)
893    o adjoint
894      * Disable useVariableViscosity for adjoint for time being
895        (there are a number of extensive recomputations)
896      * Initialize certain variables needed for adjoint
897    
898    checkpoint57w_post
899    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
900                 fix the singleCpuIO RS version of MDSWRITEFIELD
901       and add a WARNING if using globalFiles=T with multi-processors.
902    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
903      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
904    o tracer advection scheme:
905      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
906       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
907       was not very convenient).
908      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
909       (further tests needed for the implicit DST & Flux-Limiter schemes).
910    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
911      and sRef for convenience, handy, when you want to initialize
912      ptracers in a large domain with a constant non-zero value. Also,
913      untangle ptracers_init.F a little.
914    
915    checkpoint57v_post
916    o change dome exp. to use variable viscosity in side-drag terms.
917    o remove all the files from the cfc_offline test since they are now
918      incorporated into tutorial_cfc_offline which has been producing
919      identical results for a few days of testing
920    o add new parameter: sideDragFactor to enable half-slip-side BC
921      and change side-drag S/R to use viscosity from mom_calc_visc
922      (can switch back by setting sideDragFactor=0.); affects results at
923      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
924       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
925    o vorticity & strain are now computed without masking, to account for
926      no-slip-side BC in variable viscosity calculation ; mask is applied
927      anyway later on, before computing advection/coriolis terms.
928    o modify exp4 to test new obcs support for reading from external files
929      and for passive tracers
930    o fix behavior of ptracers_monitor when monitor output is written to a
931      netcdf-file; still not independent of monitor.F (writes in the same
932      file).
933    o change default value of tRef (put a uniform, meaningful value for ocean
934      & atmos) and initialize sRef (was missing, as Martin mentioned).
935    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
936      to be proportional to enstrophy dissipation length.  Thus,
937       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
938      This is now consistent with Smagorinsky and with the manual.
939    
940    checkpoint57u_post
941    o OBCS and PTRACERS: add open boundary support for passive tracers
942      - either use homogenous (pseudo) v.Neumann conditions or prescribe
943        OB-values from file; this is not different from the way theta and salinity
944        are treated
945      - however, Orlanski-radiation conditions are not supported, and the model
946        will stop if you use pTracers and Orlanski at the same time.
947      - beefed up the rountine obcs_external_fields_load: now only those open
948        boundary values are overwritten with values from files for which there
949        are really files, otherwise the OB-fields remain untouched. This makes
950        it possible to use different OBs at different ends of the domain (as
951        with EXF)
952    o reduce number of exch calls in shap_filt (s2).
953    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
954      truncation level) 4/5 MLAdjust test results (11&12 digits match).
955    
956    checkpoint57t_post
957    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
958    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
959      same truncation, independent of the face number: affects affects several
960      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
961    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
962      note that biharmonic viscosity + no-slip was not tested in any experiment.
963    o fix bug in non-linear free-surf side-drag ; generate new output for
964      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
965    o make mnc honor the writeBinaryPrec flag for most kinds of output
966    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
967    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
968      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
969    o add brackets in multi-terms sum to get same truncation, independent of
970      the face number (manage to get exactly same value of gU,gV at the cs-edge)
971      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
972    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
973      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
974      a maximum grid-scale Reynolds number.  Also, changes all length calculations
975      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
976      Suggested values of viscosity parameters found in mom_calc_visc.
977      Many new viscosity diagnostics available.
978    
979    checkpoint57s_post
980    o Add clearing-house for viscosity calculations, mom_calc_visc and
981      correct numerous bugs in LeithD and Smagorinsky discretizations.  
982      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
983      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
984      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
985      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
986      The Strain-Tension form is now called with useStrainTensonVisc=.true.
987      ViscAhStrain and viscAhTension are now retired.
988    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
989    o In response to JMC's bug report, genmake2 now ignores any soft-links
990      that it finds in the *current* directory when searching for files.
991      Soft-links found in any other source directories will still work as
992      they did before.
993    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
994      a C routine to unlimit the stack size
995    o mnc-ify pkg/aim snapshot vars
996    o mnc-ify pkg/land as requested by Daniel
997    o various changes to mnc including:
998      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
999      - output can now be grouped so that all files within a group
1000          change the ITER portion of their names in lock-step together
1001      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1002          and works with both EXCH1 and EXCH2 (but needs more testing)
1003      - writing works for all verification test cases w/ g77 on Linux
1004    
1005    checkpoint57r_post
1006    o make MNC variable initialization happen earlier
1007    o add diagnostics for (almost) each term of the momentum Eq.
1008    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1009    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1010    o remove MINIMAL_TAVE_OUTPUT option ;
1011      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1012    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1013      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1014    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1015    o add time-dependent SST, SSS control
1016    o cost terms in ecco/ modularized (new cost_generic.F)
1017    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1018    o new infrastructure for seaice model vs. obs misfits in seaice/
1019      * driver from the_main_loop.F is seaice_cost_driver.F
1020      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1021      * gradient check in Exp. 6a of natl_box_adjoint/
1022    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1023      (see README file)
1024    
1025    checkpoint57q_post
1026    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1027    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1028      - bug was reported by Jean-Michel and Ian Fenty
1029    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1030      update exp. cpl_aim+ocn output.
1031    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1032      Needed for high-res. runs with large global files
1033      to be able to limit tapelev size
1034    o Changed some tests for adjoint:
1035      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1036      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1037      * global_ocean.90x40x15/ back to default 3-level checkpointing
1038    o Modifications to enable scripted COMMON to MODULE conversion
1039      * verification/OpenAD/code/ has necessary scripts and description;
1040      * converts, compiles and runs successfully;
1041    
1042    checkpoint57p_post
1043    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1044    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1045      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1046    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1047    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1048      (was already the case for dissipation with mom_vecinv,
1049       and also the case for grad.PhiHyd when staggered-timeStep)
1050      This will allow to put dissipation out-off the AB time-stepping.
1051     Unfortunately, affects truncation error. Update output of exp. that "fails"
1052      (cg2d matching number) and leave the others for later: front_relax(10),
1053      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1054      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1055    
1056    checkpoint57o_post
1057    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1058      (2) its ready to be documented during the 20050801 DocFest
1059    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1060      for ideal_2D_oce and lab_sea on linux_ia32_g77
1061    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1062      in global1x1_tot/code_seaice_adj to access indices 32, 33
1063      (worth another tag)
1064    
1065    checkpoint57n_post
1066    o adding precip control xx_precip 32
1067    o adding swflux control xx_swflux 33
1068    o Replacing 10 forcing penalty cost routines by 1 generic.
1069    o Implementing partitioning in time-mean and variable adjustment
1070      for atmos. state.
1071    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1072    o in natl_box_adjoint:
1073      * updated exp 1 to 10
1074        (but does not have time-mean vs. variable split results yet)
1075    o updated global1x1/*_seaice_adj/
1076      to incorporate latest changes
1077    o enable useSingleCpuIO for mdsio vector routines
1078      (applies in particular to tapelev I/O)
1079    o removed inefficient K-loop in all active_file*control*.F
1080    
1081    checkpoint57m_post
1082    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
1083      and advect_cs (use EXCH-2 and standard cs-32 grid files).
1084    o pkg/exch2: filling of face-corner halo regions is optional
1085      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
1086    
1087    checkpoint57l_post
1088     tag before updating tutorials (pre-release-2)
1089    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
1090       for output and interpolation of input fields onto model grid)
1091    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
1092       Affects results of exp. rotating_tank ; update output.txt.
1093    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
1094          and taking the square quantity and/or using a fraction-weight field.
1095    o fix aim_diagnostics_init.F mate numbers.
1096    o add mnc output capability to diagnostics/diagstat and update
1097      our cvsignore files for the ACSII output generated
1098    
1099    checkpoint57k_post
1100    o lab_sea now uses diagnostics package and provides a suite of
1101      new EXF diagnostics output.
1102    
1103    checkpoint57j_post
1104    o exf
1105      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
1106        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
1107        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
1108      * extended diagnostics output
1109        - now includes all EXF variables
1110        - hs, hl moved to common block
1111        - separate S/R for diagnostics, called after ctrl vector is added
1112        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
1113        - EXFqnet contains true Qnet (i.e. includes qsw)
1114      * updated verif. lab_sea, global_with_exf
1115      * Rearranging hflux (exf_mapfields -> exf_getforcing)
1116        to ensure that diagnostics sees a true EXFqnet
1117    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
1118    o diagnostics pkg: change pointers so that 1 diagnostic can be used
1119      several times with different frequencies.
1120    o mnc-ify the thsice package as requested by Daniel Enderton
1121      - the monitor--MNC output needs work
1122      - many attributes need to be added (most are currently blank)
1123    o mnc-ify theaim_v23 package as requested by Daniel Enderton
1124      - many attributes need to be added (most are currently blank)
1125    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
1126    o add Sadourny like discretization to the 4th.O vorticity advection scheme
1127    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
1128      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
1129         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
1130    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
1131     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
1132    
1133    checkpoint57i_post
1134    o Diagnostics package was changed: diagnostic allocation is now deactivated
1135      by setting an empty file name in the namelist (used to be by setting 0 frequency)
1136    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
1137      add 1rst Order upwind vertical Shear.
1138    o add a quick fix for A/B checkpointing in OFFLINE mode
1139    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
1140      end-run around the C/Fortran linking horror in eesup/src/timers.F
1141    o added pkg/runclock: allows user to terminate run based on wall clock
1142    o added non-hydrostatic scaling parameter: nh_am2
1143    o pkg/my82: futile attempt to make results compiler-independent by adding
1144      some "_d 0", etc. no effect.
1145    o for mnc output, fill the 'T' coordinate var with myTime and create a
1146      separate 'iter' variable for iteration count
1147    o pkg/diagnostics:
1148      add new capability: output of Global/Regional & per-level statistics ;
1149      tested against monitor output (including land & thSIce) on various exp.
1150    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
1151    
1152    checkpoint57h_done
1153      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
1154      data.diagnostics, data.gchem, data.ptracers) is done.
1155    
1156    o pkg/diagnostics: prepare for Global/Regional statistics.
1157      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
1158    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
1159      and rename it: DIFFERENT_MULTIPLE
1160    
1161    checkpoint57h_post
1162    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
1163    o pkg/diagnostics: change output frequency, now in seconds (instead
1164      of Nb of iterations). This requires to change data.diagnostics.
1165    checkpoint57h_pre
1166    
1167    o in mnc, let the user create the output dir if both mnc_outdir_date
1168      and mnc_outdir_num are false
1169    o add fflags() to pkg/diagnostics which allows one to specify, on a
1170      per-file basis, the file precision [default behavior is unchanged]
1171    o added diagnostics to pkg/kpp, including computation of mixed layer
1172      depth based on a temperature/density criterion
1173    o updated verification/natl_box to test the new pkg/kpp diagnostics
1174    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
1175    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
1176    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
1177      not mnc -- this mistake was found by JMC and is now corrected
1178    
1179    checkpoint57g_post
1180    o add Adams-Bashforth 3rd Order time stepping:
1181      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
1182      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
1183    checkpoint57g_pre
1184    
1185    o make lambda[Theta,Salt]ClimRelax spatially varying
1186      (default remains spatially uniform constant based on tau)
1187    o added new control variables
1188      * init. uVel, vVel, etanN
1189      * lambda[Theta,Salt]ClimRelax
1190    o separate masks used for ctrl_pack/unpack 'from write_grid' output
1191      (suggested by G. Forget)
1192    
1193    checkpoint57f_post
1194    o add parameter "baseTime" = model base time = time at iteration zero
1195      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1196      account for baseTime shift
1197    o move Coriolis arrays from PARAMS.h to GRID.h
1198    checkpoint57f_pre
1199    
1200    o mnc-ifying the seaice package
1201    o introduced an alternative length scale calculation for use in the limiting
1202      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1203    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1204    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1205      as well as grad(vort3).  Made it compatible with both approximate form
1206      for the cubed sphere and full form of these gradients.  Added flag
1207      useFullLeith to select between approximate and full form.  
1208    o add "d0" in getcon.F to reduce differences between compilers/platforms
1209      update output.txt of exp. fizhi-gridalt-hs
1210    o change port_rand funtion to allow to set the seed.
1211    o fix obscure MNC bug involving conversion between reals and integers
1212      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1213        new version is now more standards-compliant
1214    o adjoint-related modifications
1215      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1216      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1217      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1218    
1219    checkpoint57e_post
1220    o Adding eddy stress controls a la Ferreira et al.
1221    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1222    
1223    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1224      update output.txt of exp. fizhi-gridalt-hs
1225    o add more "Z" dimensions and associated coordinate vars to MNC
1226    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1227    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1228      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1229      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1230      months and years.  Requires pkg/cal.
1231    o diagnostics: add pickup functionality
1232      - off by default for backwards compatibility
1233      - current version only uses MDSIO -- MNC will be added
1234    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1235    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1236    
1237    checkpoint57d_post
1238    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1239    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1240      output from the diagnostics package
1241    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1242    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1243      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1244    o add coordinate variables to the MNC output from the diagnostics package
1245    o change MNC-flags default value: true when useMNC=TRUE
1246    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1247      the ability (off by default) to read the grid information using MNC
1248    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1249    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1250    o do snap-shot diagnostics at the middle of the time-interval (instead of
1251      at the end).
1252    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1253      new test for AIM with thSIce + slab-ocean
1254    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1255    o move state variable diagnostics to the beginning of the time step ;
1256      (note: still needs some work specially for snap-shot diagnostics)
1257      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1258    
1259    checkpoint57c_post
1260    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1261    o generate new output.txt files on faulks with g77 & the new -ieee option
1262    checkpoint57c_pre
1263    
1264    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1265      update output.txt of exp. global_ocean.90x40x15
1266    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1267      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1268    o add saltFlux(+File) forcing capability with periodicExternalForcing
1269    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1270    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1271    o improvements for the MNC output from DIAGNOSTICS:
1272      - correct handling of the unlimitied dimension
1273      - all dims now have associated coordinate variables
1274      - variables located at U, V, and Corner ("Z") points are now written
1275        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1276        *all* data points are output
1277    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1278    o added pkg/seaice/seaice_monitor.F
1279    o mdsio_readfield.F can now read files visible only to master MPI process.
1280    o pkg/seaice: some test code for ice-modified ocean stress
1281    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1282      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1283      spurious negative numbers for precipitation and humidity.  Will cause
1284      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1285    o pkg/ctrl/
1286      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1287        May be enabled via doPackDiag
1288      *  introduce z-scaling of
1289         + gradient (doZscalePack) and
1290         + control (doZscaleUnpack)
1291    o pkg/mdsio/
1292      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1293      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1294    
1295    checkpoint57b_post
1296    o simplify options in diagnostics_fill arguments (remove weird combinations)
1297    o fix MNC coordinate variables so that they now contain per-face index
1298      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1299      general, EXCH2 grids are only aligned to a "local" coordinate system
1300    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1301    o Implement instantaneous output within pkg diagnostics:
1302      setting a negative frequency in data.diagnostics produces
1303     "snap-shot" output (as opposed to time-average if freq > 0)
1304    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1305      NOTE: change ptracer diagnostics name: use 2 characters to work with
1306            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1307    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1308      becomes the coordinate variable for the 'T' dimension
1309    o add CF-style coordinate variables to MNC
1310      - just a first cut:  numbers are meaningless on the cubesphere and
1311        missing along the T axis but otherwise it works!
1312    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1313    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1314    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1315      this is based directly on what the model compute, so that the content of
1316      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1317    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1318    o clean up build options files for SunOS, in particular
1319      - remove -traditional from xmakedepend
1320      - change -xarch=v9 to -xarch=native for f77
1321      - restore use of make (not gmake)
1322      - add CC=gcc if using g77
1323    o changes per discussion of AM, JMC, & EH3 today:
1324      - move redundant "grid" variables out of "state" -- in preparation of
1325        creating proper CF-style coordinate variables and in recognition
1326        that any/all grid variables can be easily copied (eg. w/NCO) from
1327        the grid files into any of the other NetCDF files
1328      - *always* output grid variables with MDSIO (this will eventually be
1329        changed)
1330      - output MNC grid file if useMNC is true
1331    o every instance of _END_MASTER() has been found and replaced with
1332      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1333      preprocessors
1334    o re-arrange diagnostics pkg initialisation:
1335     - allow each package to extend the available diagnostics list
1336     - add some checking and fix small problems (multi-threaded, ...)
1337     - new S/R diagnostics_fill (replace fill_diagnostics):
1338       look through the short list of active diag. (instead of the long list)
1339       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1340    
1341    checkpoint57a_post
1342    o this set of changes restores TAMC compatibility
1343      tested for global_ocean.90x40x15 adjoint on trough
1344      (what a pain)
1345    
1346    checkpoint57a_pre
1347    o some modifs in tools/build_options for sunos
1348    o call ctrl_pack for ctrl at end for optimcycle=0
1349    
1350    checkpoint57
1351    o add horizontal bi-harmonic viscosity for vertical velocity
1352      - new parameter viscA4W (defaults to viscA4)
1353      - affects only non-hydrostatic code
1354      - to be done: no-slip lateral boundary conditions
1355    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1356    o implement Implicit Vertical advection for pTracers
1357    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1358      (implemented also for implicit vertical diffusion & advection)
1359    o OBCS: extend application of tracer open boundary conditions
1360      to a strip beyond the boundary of width Olx/Oly
1361    o add call monitor to TAF set of required calls (flow directives)
1362      and include in natl_box_adjoint
1363    o untangle a few ifdefs related to cost, ctrl, autodiff
1364      untangel a few ALLOW_ECCO_OPTIMIZATION
1365    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1366      (theta2, salt2 in ecco_cost_weights)
1367    
1368    checkpoint56c_post
1369    o OBCS as control variables
1370      - update ctrl_ad_diff.list, obcs_ad_diff.list
1371      - remove balance of obcs controls from default
1372      - fix index bug nobcs in ctrl_init
1373      - fix dummy fields filen in ctrl_pack
1374      - add dummy weights for obcs
1375    o lsopt: comment out fort.94 output
1376    o optim:
1377      - remove unnecessary header files
1378      - adjusted namelists
1379      - add xerbla.F to Makefile
1380    o exf:
1381      - multiple modifications of exf_check_range
1382      - unit change in exf_init_runoff from [m/year] to [m/s]
1383    o mdsio:
1384      - i/o-vector change debugLevel from debLevA to debLevB
1385    
1386    checkpoint56b_post
1387    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1388      is called from DO_THE_MODEL_IO
1389      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1390      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1391      - clean up PTRACERS_WRITE_TIMEAVE a little
1392    o add another verification experiment that tests both the cfc-pkg and
1393      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1394      reactive tendencies treated inline with regular timestepping
1395    o testreport previously did a lousy job of comparing small numbers, so
1396      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1397      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1398      testreport.
1399    o ptracers_monitor: bug fix for MPI
1400    
1401    checkpoint56a_post
1402    o GCHEM: finish reorganizating the package
1403      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1404        (introduces another 3D-array for each passive tracer, but only if
1405        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1406        gchemTendency is not needed because the timestep is done separately)
1407      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1408      - GCHEM is now---more or less cleanly---separate from PTRACERS
1409      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1410        so clear to me how that should be done in a general way.
1411    o CFC: improve formatting of output in CFC_ATMOS
1412    o PTRACERS:
1413      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1414        that ALL experiments with ptracers enable can be checked. This makes
1415        GCHEM_MONITOR obsolete.
1416      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1417        monitorFreq
1418      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1419    o add PTRACERS (PTR0[1-5]) to testreport output
1420    o exf_check_range:
1421      * default changed to .TRUE.
1422      * will check values for niter0 if debLevA, every timestep if debLevB
1423      * STOP in exf_check_range if 'out of range'
1424      * range chosen generous to allow for potential extema
1425      TBD: a version with stricter range
1426           permitted range would be runtime parameters
1427  o GMredi:  o GMredi:
1428    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1429    - 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 1432  o GCHEM:
1432    - 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
1433      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1434    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1435      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1436        this flag is now only visible within GCHEM-pkg routines.
1437      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1438        be replaced by a 3D array that is computed before thermodynamics; for
1439        this, the tracer ID iTracer had to be included into the parameter list
1440        of ptracers_forcing
1441      - set up forward_step to call gchem_forcing, that will replace
1442        gchem_forcing_int in ptracers_forcing
1443      - cleaning up
1444  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
1445    
1446  checkpoint56  checkpoint56

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