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revision 1.645 by heimbach, Tue Apr 4 14:59:10 2006 UTC revision 1.841 by gforget, Wed Jun 20 19:39:04 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/ecco: cost function when applying pkg/smooth to controls
8    o pkg/ctrl: add forcingPrecond run time parameter
9    o pkg/seaice:
10     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
11     - fix bug in metric terms of u-equation in LSR solver (implicit part),
12       changes verification/lab_sea
13     - rearrange implicit part of u-equation in LSR solver to make it easier to
14       read, understand, and debug. This causes changes at the truncation level.
15     - fix (serious) bug in the boundary conditions (sign error in the implicit
16       part) of the LSR solver. Changes all LSR results.
17     - fixed problem with HSNOW initialization to avoid thick snow when AREA
18       is initilized with small values - does not change lab_sea results.
19     - added HsnowFile initialization capability
20    o pkg/smooth: addition to model/src and pkg/ctrl so allow
21     initialization of pkg/smooth and application to control vector
22    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
23    o dependencies: pkg/profiles requires pkg/cal
24    o pkg/profiles:
25     - added option ALLOW_PROFILES_GENERICGRID
26         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
27         that interpolation information (grid points and coefficients) is provided
28         within the netcdf input files.
29         -> sample matlab scripts can be found in MITgcm_contrib/gael
30         that allow you to prepare netcdf input files.
31     - also modified: cleaner include statements, cleaner error print statements,
32       cleaner stops when error, and more tests of the netcdf input files consistency.
33    
34    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
35    o pkg/seaice:
36     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
37       requires a new routine: seaice_diagnostics_fill.F
38     - make sure that seaice does not move if not forced (pressure replacement
39       method, Hibler and Ip, 1995), changes results
40     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
41     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
42       It is turned off by default (=-1.), because it changes the results.
43     - make it possible to read AREA from a file, too.
44    
45    checkpoint59c
46    o add S/R and diagnostics for oceanic mixed-layer depth
47    o move GMRedi call after all vertical mixing schemes (including KPP)
48    o pkg/thsice:
49     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
50      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
51    o pkg/obcs:
52     - bug fix for balance code
53    o pkg/seaice:
54      - allow values of SEAICE_elasticParm > 1
55      - add new parameter SEAICE_evpTauRelax as an alternative
56        to SEAICE_elasticParm
57      - make lsr boundary conditions free slip (by default), changes result
58      - add code for no slip boundary conditions for lsr
59      - set minimum of zeta to zero (and not 4e8) (changes results)
60      - add a cap on AREA after advecting AREA if seaice_growth is not called
61    o change calculation of Visbeck K:
62      - no longer depend on tapering scheme; instead, compute slope (limited
63        by GM_maxSlope). this is equivalent to what was comuted before with
64        clipping or linear tappering.
65      - fix vertical averaging (wrong by 1/2 level)
66      - leave the old version (but will not be maintained) within
67        #ifdef OLD_VISBECK_CALC / #endif
68      - update output of exp. ideal_2D_oce
69    o change error catch in calc_r_star to improve vectorization
70    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
71      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
72    o adjoint:
73      Re-organized adjoint checkpointing according to Matt Mazloff
74      (but with modifs/completions/cleanups)
75      Storing is now bundled into large arrays to optimized I/O
76      (and second step in cleanup of the_main_loop)
77    
78    checkpoint59b
79    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
80      - export/import (between ocean & coupler) fields needed for ocean DIC.
81    o pkg/seaice:
82      - get rid of three more exchanges seaice_calc_viscosities (required
83        different loop boundaries in seaice_lsr and seaice_ocean_stress)
84      - bug fix in seaice_ocean_stress (update of lab_sea required)
85      - reduce loop boundaries to necessary minimum also in seaice_evp
86      - go back to the old way of computing deltaC/Z as the adjoint likes that
87        better
88    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
89      passive tracer to an Age Tracer) + update output.txt
90    o pkg/exf:
91      - implement A-grid / C-grid selection for wind-stress input files.
92      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
93      for now, in exf_bulk_largeyeager04.F only :
94      - change implementation for case where windspeed + 2. components wind-stress
95        are read-in. AND use rhoConstFresh to convert evap.
96    o pkg/seaice:
97      - use correct EXCH_UV for wind-forcing (on A-grid).
98      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
99        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
100    o pkg/exf:
101      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
102      EXF_INTERPOLATION:
103      - merge global_with_exf/code version of exf_interp_read.F
104        to the main code ;
105      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
106        reading the file ; Important: This options needs to be defined to recover
107        previous code.
108        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
109      - no longer loose real*8 precision along the way when using exf_iprec=64.
110    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
111      - change discretisation of evp-solver in order to avoid another exchange
112        (changes lab_sea) and clean up a little
113      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
114        help the adjoint (this also changes the results slightly)
115      - add a few "_d 0" where they had been missing in seaice_evp.F
116      - cleaning up: remove unused seaice_calc_rhs.F
117    o pkg/exf: some cleaning-up:
118      - change various "constants" into runtime parameters
119      - cleaned-up Large&Yeager04 routine which should eventually
120        replace exf_bulkformulae.F (changed names of S/R and CPP)
121        and merged various ALLOW_ATM_WIND options
122     only used with thsice pkg (in thsice_get_exf.F):
123      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
124        which are used when useStabilityFct_overIce=TRUE (= the default)
125      - change default values of ice & snow emissivity and scale downward LW
126        by ice & snow emissivity.
127    o pkg/thsice:
128     fix few little problems, in thsice_calc_thickn.F:
129      - growth vertically (and not laterally) if iceFrac == iceMaskMax
130      - melt only laterally if hIce < hThinIce (as the comments say)
131      and in thsice_extend.F:
132      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
133      - start to form ice as soon as the minimum ice-volume is reachable.
134     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
135      and cpl_aim+ocn
136    o pkg/kpp
137     - move computation of surface related input fields to KPP into a new
138       subroutine kpp_forcing_surf.F
139     - remove wrong (within bi,bj loops) EXCH calls.
140     - little cleaning (add argument myThid in last position, cvs header ...)
141     - for now, fix conservation problem by exchanging KPPviscAz (may not
142       be the best fix)
143    o pkg/seaice
144     - check for inconsistent evp parameter/cpp-flag combination
145     - remove leftover errIO flat for obsolete name list error handling
146    o OpenAD
147     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
148    
149    checkpoint59a
150    o pkg/seaice: some parameter clarifications and a little bit of clean up
151    o pkg/thsice: rename run-time parameters:
152       himin       -> hIceMin
153       himin0      -> hThinIce
154       hihig       -> hThickIce
155       i0          -> i0swFrac
156       transCoef   -> bMeltCoef
157       frac_energy -> fracMelting
158      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
159       with default values (for now) that do not change the results.
160      remove old version of thsice vars advection in pkg/seaice.
161    o in FFIELDS.h:
162      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
163      - make pLoad & sIceLoad always available (but still only used if
164         ATMOSPHERIC_LOADING is #define).
165    o pkg/kpp: replaced _KPP_RL with _RL
166    o bug fixes for vertical diffusivity computations when both KPP and
167        3D diffusivity arrays are used.
168    o pkg/seaice: fix bug in evp solver, while doing that
169      - change (improve?) discretization of stress computations for both
170        cgrid-lsr and evp solver
171      - add a new routine to compute strain rates
172      - the above changes lab_sea results
173      - add no slip conditions for evp solver (off by default), lsr-version
174        may follow
175      - fix exchange for shear at Z-points (does not change lab_sea)
176      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
177        (to force the user to pick a time step since there is not "safe" way
178        of choosing it)
179      - add principal stress diagnostics
180      - rearrange fields for evp a little to avoid having to call a: too many
181        exchanges and b: exchanges for stress trensor components which we do
182        not have.
183      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
184        of evp, complete rewrite for lsr case (latter is does not yet work
185        in all cases)
186    o pkg/kpp: add code to have mixing in shelf ice caverns
187      - add myThid to all kpp routines (long overdue)
188    
189    checkpoint59
190    o pkg/exf:
191      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
192        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
193      - move exf header files from lower_case.h to UPPER_CASE.h ;
194        add missing cvs Header & Name
195      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
196      - add namelist param. selectStressGridPosition, exf_monFreq
197      - retire many _CLIM routines, and remove data.exf_clim
198        + params moved to data.exf
199        + climsst, climsss now handled by exf_set_gen, i.e.
200          climss?period=0 refers to constant field,
201          climss?period=-12 to monthly forcing
202      - split up namelists in data.exf
203    o pkg/seaice:
204      - remove seaice_exch and seaice_exch_uv
205      - remove superfluous exchange of theta
206      - add myThid to seaice_budget_ocean/ice
207      - add new interface for atmospheric wind forcing (C-grid only)
208        + new routine
209        + two new field (taux, tauy for stress over ice)
210        + removed one global field (DAIRN) for C-grid case only
211    o pkg/thsise
212      - 2nd set of modifs for thsice adjoint in conjunction with exf
213    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
214    
215    checkpoint58y_post
216    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
217      vertical diffusivity, similar to that in MOM4; turned on using
218      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
219      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
220    o Added capability for 3D specification of background vertical diffusion
221      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
222      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
223      "data" file that contains the 3D vertical diffusivity coefficients.
224    o ice dynamics (pkg/seaice) with thsice thermodynamics:
225      - add code within pkg thsice to advect & diffuse sea-ice fields
226      similar to (and will replace) what has been added in  seaice_advdiff.F,
227      but: - conserving Mass, Heat & Salt.
228           - better when using non-linear advection scheme (not yet fully tested)
229           - can also be used in atmospheric set-up (for now, only the diffusion).
230    
231    checkpoint58x_post
232    o IO option for global-file compact format:
233      - add options when generating topology (utils/exch2/matlab-topology-generator)
234      - add I/O capability (pkg/mdsio).
235      - adapt utils/matlab/rdmds.m to read this format.
236      for now long-line format not yet supported by pkg/mdsio (& exch2).
237    o shelfice: add a few diagnostics
238    
239    checkpoint58w_post
240    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
241      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
242      (and replace horiVertRatio in NH code).
243      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
244                         and tutorial_plume_on_slope (sensitive to truncation)
245    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
246      directly to drive seaice model (C-grid only)
247    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
248     - reintroduce computation of wind from stress,
249     - compute tau (in exf_bulkformulae.F) from windstress averaged to
250       mass points to avoid tau = 0
251     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
252    o rdmnc.m: make it work with "global" files created with gluemnc
253    o rdmnc.m : some improvements in dealing with singleton dimension
254      (tested on all testreport mnc output files).
255    o genmake2: disable pkg/profiles if netcdf test fails.
256    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
257    o move call to cal_readparms up to make calendar parameters/variable available
258      to all packages
259    
260    checkpoint58v_post
261    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
262      useDynP_inEos_Zc tested.
263    o pkg/exf: changes to properly interpolate/mask/scale initial fields
264    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
265      and portions thereof.  See read_cs.txt for description and examples.
266    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
267      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
268      following the great-circle arc between those 2 points.
269    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
270      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
271    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
272     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
273     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
274     - still needs work (not working with some options ; efficiency to improve)
275       and serious testing.
276     - use this scheme for temperature & salinity in 2 advection test exp.:
277       advect_xy & advect_xz, respectively.
278    
279    checkpoint58u_post
280    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
281    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
282    o testreport: add option "-skipdir" to skip some test.
283    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
284      momentum calculation.
285    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
286    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
287      remove checkpoint.F and the_correction_step.F (no longer used);
288      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
289    o add option (linFSConserveTr) to correct for tracer source/sink due to
290      Linear Free surface
291    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
292    o pkg/thsice: fix reading mnc-pickups
293    
294    checkpoint58t_post
295    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
296    o pkg/mdsio:
297     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
298       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
299       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
300     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
301     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
302       either MDS_READ_FIELD or MDS_WRITE_FIELD )
303     - new S/R (to replace MDSWRITEMETA), which allows to write more
304       informations (variable names, time ...) to meta files.
305     - modify rdmds.m to give back the meta file content.
306    o pkg/diagnostics: change vertical interpolation to be safer, and more
307       flexible (define p-levels to interpolate to in data.diagnostics);
308      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
309       diagnostic pointer.
310    o pkg/seaice: more cleaning up of seaice_growth, added many comments
311    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
312    o fix multi-category seaice:
313     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
314       SEAICE_MULTICATEGORY
315     - fix short wave heat flux
316    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
317       and allow to use EVP solver. Change forward lab_sea: test both EVP
318       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
319    o Initial check-in of lab_sea adjoint
320      (very similar to natl_box_adjoint/code_seaice)
321      * used C-grid and EVP solver
322      * used KPP, GM/Redi
323      * uses inAdExact=.TRUE.
324      * gradient checks fail for both ADM and TLM
325        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
326        f.d. gradients actually seem more problematic than ADM, TLM gradients;
327        issue is related to forward mismatch between g77 an ifort
328    o pkg/seaice: overhaul of thermodynamics
329     - growth.F and groatb.F are replaced by new routine seaice_growth.F
330     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
331     - move a few global fields out of SEAICE.h into seaice_growth.F and
332       make them 2D (FICE/QNETO/ ...)
333     - remove FO (it is the same as QNETO)
334     - introduce a few local fields to avoid modifying external fields such
335       as atemp, etc.
336    
337    checkpoint58s_post
338    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
339      changed exf_set_gen.F so that
340        genperiod=0 means input file is one time-constant field and
341        genperiod=-12 means input file contains 12 monthly means
342    o CG2D: use pre-computed solver main-diagonal (stored in common block);
343      this affects truncation error ; generate new output file for exp. which
344      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
345        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
346        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
347        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
348        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
349        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
350    o start implementation of deep-atmosphere and anelastic formulation
351    o verification: remove 2nd copy of input files and use script "prepare_run"
352      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
353    o mom_common/vecinv/fluxform: fix a few initialisation isssues
354    o profiles: fix for multithreaded case
355    
356    o diagnostics: rename few diags:
357      s/'PRESSURE'/'RCENTER '/g
358      s/'TICE    '/'oceFreez'/g
359      s/'TAUX    '/'oceTAUX '/g
360      s/'TAUY    '/'oceTAUY '/g
361      s/'SWFLUX  '/'oceQsw  '/g
362      s/DIFx/DFxE/g
363      s/DIFy/DFyE/g
364      and add few ocean-forcing diagnostics:
365      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
366    o modifications to pkg/seaice/growth.F and budget.F, which change results of
367      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
368      as actual snow thickness.  It now refers everywhere to effective snow
369      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
370    
371    checkpoint58r_post
372    o modifications to pkg/seaice/growth.F, which change results of
373      lab_sea experiment: fixes pertain to melting snow over open water, to
374      masking EVAP under sea ice, and to using the correct AREA variable for
375      computations of EVAP, PRECIP, HSNOW, and GHEFF
376    o add ability to read bathy, salt, and theta using MNC (off by def)
377    o add flooding algorithm and advection of HSNOW for pkg/seaice;
378      both are turned off by default and do no change any results
379    o seaice advection with pkg/thsice: a step toward the use of non-linear
380      advection scheme, but #ifdef or commented out for now (requires more EXCH).
381    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
382      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
383      in natl_box (affects results @ truncation level: update output.txt)
384    o multi-threading and IO:
385      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
386      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
387        (needed to work with SingleCpuIO): tested in all verif. exp.
388    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
389      affects the results (but none of the verification test uses this scheme).
390    o Adding some pkg/diagnostics capability to pkg/seaice
391      (will certainly be subject to changes)
392    o ctrl: adding new control variables:
393      lwflux, lwdown, evap, snowprecip, apressure, runoff
394    
395    checkpoint58q_post
396    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
397      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
398      high_res_cube configuration by 4% on Columbia.
399    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
400      add (in global_with_exf/code) a version of EXF_INTERP_READ without
401      dynamical allocation (seems to work in multi-threaded).
402    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
403      single CPU io) so that TAF does not have to see EESUPPORT.h
404    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
405    
406    checkpoint58p_post
407    o obcs: stop if obcs is used with useCDscheme = .true.
408    o shelfice:
409     - fix a sign error so that no slip at shelfice interface works
410     - remove stop for combination non-hydrostatic code and shelfice. That does
411       not mean, that the results are correct, but at least they are numerically
412       stable
413    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
414    o added adjoint exch routined for all exch*3d* routines
415      and updated flow directives
416    
417    checkpoint58o_post
418    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
419      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
420    o change controling S/R for writing pickup file (new S/R do_write_pickup)
421      and clean-up reading/writing of pickup files.
422    o fix local version of read/write pickup (NH part) in rotating_tank/code
423    o simplify EXCH interface:
424     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
425     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
426    o added the regrid package
427    o shelfice:
428     - add a simple boundary layer scheme to reduce noise
429     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
430    
431    checkpoint58n_post
432    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
433       local variable (not in common block).
434    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
435      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
436      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
437        to work with SingleCpuIO.
438    o add "_d 0" to real constant of pkg/cfc subroutines ;
439       update exp. cfc_exemple & tutorial_cfc_offline output files.
440    o multi-threading and IO:
441      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
442        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
443      - barrier before and after reading.
444      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
445      - avoid using MDS_WRITELOCAL for LAND pkg output.
446      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
447        common-block variables ; Allows multi-threading with master-thread IO.
448    o change default MAX_NO_THREADS from 32 to 4 ;
449      and stop cleanly when MAX_NO_THREADS is too small.
450    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
451    
452    checkpoint58m_post
453    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
454       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
455    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
456       keep global_ocean.90x40x15 (for AD testing) with former secondary test
457       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
458    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
459        add MITgcm_tutorials (= code + all the tutorials)
460    o ecco, option to compute cost for total ssh (mean+anom)
461    o consistent with addition of ptracer and ssh in pkg/profiles
462    o profiles: adding ptracer and ssh
463    o testreport: change multi-test output-file name
464      (from output.txt.{name} to output.{name}.txt)
465    o profiles: now ok for mutli-tiles case
466    o seaice: add 4 parameters for different advection schemes for area,
467      (effective) seaice thickness, enthalphy, and snow height. Their default
468      is the standard parameter SEAICEadvScheme
469    o calc_gw:
470     - add cosFacU in zonal viscous flux (harmonic.visc.).
471     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
472       of tutorial_plume_on_slope.
473    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
474    o calc_gw: true flux-form, account for horizontal grid spacing.
475      update rotating_tank results, but not plume_on_slope (affected at
476      truncation level, 11 digits).
477    
478    checkpoint58l_post
479    o calc_gw:
480     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
481     - remove side-drag for now (need to fix it); update plume_on_slope results.
482     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
483    o commit code to make SST/SSS weights spatially variable
484      (based on either variable in-situ or variable initial T/S weights)
485    o pkg/ecco:
486      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
487        now based on horizontally varying weights wthetaLev, wsaltLev
488      * cost_averagesflags now returns year indices in addition to day, month
489      * sflux balance is performed on annual basis
490        (sflxumm, sfluxmm2, bal_sfluxmm)
491      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
492        including separate counting and multipliers
493    o pkg/rbcs
494      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
495    
496    checkpoint58k_post
497    o testreport:
498     - always build in dir. "build" (if not there, mkdir build instead of building
499       & running in input)
500     - run in dir run (if it exists), in build otherwise.
501     - call prepare_run (if input/prepare_run exists)
502     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
503    o pkg/exf modifications to interpolation and rotation routines for more
504       reasonable treatment of North Pole singularity: for tracers North Pole
505       value is set to northernmost zonal-mean value, for zonal velocity it is
506       set to zero, and for meridional velocity it is set to northernmost value.
507    o pkg/exf/exf_check_range.F
508     - add tile index to diagnostics and move stop statement to the very
509       end of the routine.
510    o pkg/diagnostics: (diagnostics_main_init.F)
511      define title of isomorphic variables according to the current config.
512    o pkg/thsice with pkg/seaice dynamics:
513    - fix domain of computation (interior only, required for exf) and do exchanges
514    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
515    o towards a standard way of dealing with multi-threading in MONITOR
516      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
517    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
518       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
519    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
520    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
521    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
522       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
523    o tracer advection:
524     - clean-up and simplify calc_common_factors.F
525     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
526       advection subroutine (but still not used within DST advection S/R)
527    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
528    
529    checkpoint58j_post
530    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
531      from file (collects calls previously in FORWARD_STEP)
532    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
533    o adjoint store dir. adjusted accordingly
534    o genmake2
535      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
536    
537    checkpoint58i_post
538    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
539      on wind stress (SEAICEstressFactor defaults to 1.)
540    o Total number of Timers is finite (<=40): comment out 2 non-essential one
541      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
542    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
543      on CS-grid: no longer loosing mass.
544    o exf & curvilinear-grid: no longer modify longitude xC & xG.
545    o pkg/ggl90: fix sloppy output and fix a bug
546    o pkg/seaice: added SEAICEuseEVPpickup parameter
547      - Set to false in order to start EVP solver with
548        non-EVP pickup files when using SEAICEuseEVP
549      - fix sign error in diffusion in seaice_calc_rhs
550    
551    checkpoint58h_post
552    * Modifications for bottom topography control
553      o replace hFacC by _hFacC at various places
554      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
555      o add non-self-adjoint cg2d_nsa
556      o update autodiff support routines
557      o re-initialise hfac after ctrl_depth_ini
558      o works for 5x5 box, doesnt work for global_ocean.90x40x15
559    * Adding verification for 5x5 box (4-layer) bottom topography control
560    
561    checkpoint58g_post
562    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
563       used for mean seasonal cycle, mean diurnal cycle); add an example
564       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
565    o pkg/ggl90:
566      - add parameter (minimum surface kinetic energy)
567      - fix bug (avoiding division by zero)
568    o couple pkg/thsice to pkg/seaice:
569      - modify advection in seaice to accomodate new scalar fields to be advected
570      - only muliDimAdection scheme work with seaice/thsice
571      - mapping of thsice-variables to seaice-variables, back and forth
572      - does not break the verification experiments, but does not give the
573        desired results either
574    o pkg/seaice
575      - make (default) second order advection a bit less confusing?
576    
577    checkpoint58f_post
578    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
579      to pkg/seaice):
580      - new routines thsice_map_exf and thsice_get_exf provide the interface
581      - add an additional formal parameter to thsice_solve4temp
582    o pkg/exf:
583      - add new fields wspeed, snowprecip (to be able to couple to thsice)
584      - correct Stefan-Boltzmann constant
585      - new parameter for longwave surface emittance
586      - separate some stuff from exf_bulkformulae into new routines  
587        exf_radiation, exf_wind
588      - add new parameters and constants: longwave emissivity for ocean, ice
589        and snow, evaporation parameters over ice
590      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
591        either wind from stress or stress from wind
592    o pkg/thSIce:
593    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
594    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
595       and THSICE_CALC_THICKN
596    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
597    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
598      to make debugging easier.
599    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
600    o pkg/bulk_force:
601      - clean-up comments and parameters ;
602      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
603    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
604      generate new output for test-experiment: aim.5l_cs.thSI
605    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
606      testreport accordingly
607    
608    checkpoint58e_post
609    o SEAICE_CGRID adjoint done
610    o R_STAR adjoint implemented.
611      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
612      * need to sort out init. of h0facc, etc.
613    o Make pkg/profile fully independent of ecco,cost, etc. stuff
614      to be able to use it in pure forward.
615    
616    checkpoint58d_post
617    o upgrade simple test-experiment to tutorial example:
618     step.1: duplicate the experiment and (step.2) will remove the old copy.
619      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
620      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
621      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
622      tutorial_global_oce_biogeo    <- copy of dic_example
623      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
624      tutorial_plume_on_slope       <- copy of plume_on_slope
625      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
626      tutorial_global_oce_optim     <- empty for now (David ?)
627      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
628     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
629    o correct a sign problem in cost_scat.F
630    o obcs and ptracers: fix boundary conditions for advections schemes
631      with larger stencil
632    o thsice adjoint: start
633    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
634      completeness
635    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
636      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
637  o ptracers adjoint:  o ptracers adjoint:
638    * avoid extensive recomputatations    * avoid extensive recomputatations
639    * fix missing re-init. of gptr (missed by TAF)    * fix missing re-init. of gptr (missed by TAF)

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