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revision 1.598 by edhill, Wed Jan 11 06:04:11 2006 UTC revision 1.818 by jmc, Wed May 16 13:39:57 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint59b
8    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
9      - export/import (between ocean & coupler) fields needed for ocean DIC.
10    o pkg/seaice:
11      - get rid of three more exchanges seaice_calc_viscosities (required
12        different loop boundaries in seaice_lsr and seaice_ocean_stress)
13      - bug fix in seaice_ocean_stress (update of lab_sea required)
14      - reduce loop boundaries to necessary minimum also in seaice_evp
15      - go back to the old way of computing deltaC/Z as the adjoint likes that
16        better
17    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
18      passive tracer to an Age Tracer) + update output.txt
19    o pkg/exf:
20      - implement A-grid / C-grid selection for wind-stress input files.
21      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
22      for now, in exf_bulk_largeyeager04.F only :
23      - change implementation for case where windspeed + 2. components wind-stress
24        are read-in. AND use rhoConstFresh to convert evap.
25    o pkg/seaice:
26      - use correct EXCH_UV for wind-forcing (on A-grid).
27      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
28        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
29    o pkg/exf:
30      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
31      EXF_INTERPOLATION:
32      - merge global_with_exf/code version of exf_interp_read.F
33        to the main code ;
34      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
35        reading the file ; Important: This options needs to be defined to recover
36        previous code.
37        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
38      - no longer loose real*8 precision along the way when using exf_iprec=64.
39    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
40      - change discretisation of evp-solver in order to avoid another exchange
41        (changes lab_sea) and clean up a little
42      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
43        help the adjoint (this also changes the results slightly)
44      - add a few "_d 0" where they had been missing in seaice_evp.F
45      - cleaning up: remove unused seaice_calc_rhs.F
46    o pkg/exf: some cleaning-up:
47      - change various "constants" into runtime parameters
48      - cleaned-up Large&Yeager04 routine which should eventually
49        replace exf_bulkformulae.F (changed names of S/R and CPP)
50        and merged various ALLOW_ATM_WIND options
51     only used with thsice pkg (in thsice_get_exf.F):
52      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
53        which are used when useStabilityFct_overIce=TRUE (= the default)
54      - change default values of ice & snow emissivity and scale downward LW
55        by ice & snow emissivity.
56    o pkg/thsice:
57     fix few little problems, in thsice_calc_thickn.F:
58      - growth vertically (and not laterally) if iceFrac == iceMaskMax
59      - melt laterally only if hIce < hThinIce (as the comments say)
60      and in thsice_extend.F:
61      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
62      - start to form ice as soon as the minimum ice-volume is reachable.
63     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
64      and cpl_aim+ocn
65    o pkg/kpp
66     - move computation of surface related input fields to KPP into a new
67       subroutine kpp_forcing_surf.F
68     - remove wrong (within bi,bj loops) EXCH calls.
69     - little cleaning (add argument myThid in last position, cvs header ...)
70     - for now, fix conservation problem by exchanging KPPviscAz (may not
71       be the best fix)
72    o pkg/seaice
73     - check for inconsistent evp parameter/cpp-flag combination
74     - remove leftover errIO flat for obsolete name list error handling
75    o OpenAD
76     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
77    
78    checkpoint59a
79    o pkg/seaice: some parameter clarifications and a little bit of clean up
80    o pkg/thsice: rename run-time parameters:
81       himin       -> hIceMin
82       himin0      -> hThinIce
83       hihig       -> hThickIce
84       i0          -> i0swFrac
85       transCoef   -> bMeltCoef
86       frac_energy -> fracMelting
87      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
88       with default values (for now) that do not change the results.
89      remove old version of thsice vars advection in pkg/seaice.
90    o in FFIELDS.h:
91      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
92      - make pLoad & sIceLoad always available (but still only used if
93         ATMOSPHERIC_LOADING is #define).
94    o pkg/kpp: replaced _KPP_RL with _RL
95    o bug fixes for vertical diffusivity computations when both KPP and
96        3D diffusivity arrays are used.
97    o pkg/seaice: fix bug in evp solver, while doing that
98      - change (improve?) discretization of stress computations for both
99        cgrid-lsr and evp solver
100      - add a new routine to compute strain rates
101      - the above changes lab_sea results
102      - add no slip conditions for evp solver (off by default), lsr-version
103        may follow
104      - fix exchange for shear at Z-points (does not change lab_sea)
105      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
106        (to force the user to pick a time step since there is not "safe" way
107        of choosing it)
108      - add principal stress diagnostics
109      - rearrange fields for evp a little to avoid having to call a: too many
110        exchanges and b: exchanges for stress trensor components which we do
111        not have.
112      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
113        of evp, complete rewrite for lsr case (latter is does not yet work
114        in all cases)
115    o pkg/kpp: add code to have mixing in shelf ice caverns
116      - add myThid to all kpp routines (long overdue)
117    
118    checkpoint59
119    o pkg/exf:
120      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
121        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
122      - move exf header files from lower_case.h to UPPER_CASE.h ;
123        add missing cvs Header & Name
124      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
125      - add namelist param. selectStressGridPosition, exf_monFreq
126      - retire many _CLIM routines, and remove data.exf_clim
127        + params moved to data.exf
128        + climsst, climsss now handled by exf_set_gen, i.e.
129          climss?period=0 refers to constant field,
130          climss?period=-12 to monthly forcing
131      - split up namelists in data.exf
132    o pkg/seaice:
133      - remove seaice_exch and seaice_exch_uv
134      - remove superfluous exchange of theta
135      - add myThid to seaice_budget_ocean/ice
136      - add new interface for atmospheric wind forcing (C-grid only)
137        + new routine
138        + two new field (taux, tauy for stress over ice)
139        + removed one global field (DAIRN) for C-grid case only
140    o pkg/thsise
141      - 2nd set of modifs for thsice adjoint in conjunction with exf
142    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
143    
144    checkpoint58y_post
145    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
146      vertical diffusivity, similar to that in MOM4; turned on using
147      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
148      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
149    o Added capability for 3D specification of background vertical diffusion
150      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
151      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
152      "data" file that contains the 3D vertical diffusivity coefficients.
153    o ice dynamics (pkg/seaice) with thsice thermodynamics:
154      - add code within pkg thsice to advect & diffuse sea-ice fields
155      similar to (and will replace) what has been added in  seaice_advdiff.F,
156      but: - conserving Mass, Heat & Salt.
157           - better when using non-linear advection scheme (not yet fully tested)
158           - can also be used in atmospheric set-up (for now, only the diffusion).
159    
160    checkpoint58x_post
161    o IO option for global-file compact format:
162      - add options when generating topology (utils/exch2/matlab-topology-generator)
163      - add I/O capability (pkg/mdsio).
164      - adapt utils/matlab/rdmds.m to read this format.
165      for now long-line format not yet supported by pkg/mdsio (& exch2).
166    o shelfice: add a few diagnostics
167    
168    checkpoint58w_post
169    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
170      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
171      (and replace horiVertRatio in NH code).
172      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
173                         and tutorial_plume_on_slope (sensitive to truncation)
174    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
175      directly to drive seaice model (C-grid only)
176    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
177     - reintroduce computation of wind from stress,
178     - compute tau (in exf_bulkformulae.F) from windstress averaged to
179       mass points to avoid tau = 0
180     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
181    o rdmnc.m: make it work with "global" files created with gluemnc
182    o rdmnc.m : some improvements in dealing with singleton dimension
183      (tested on all testreport mnc output files).
184    o genmake2: disable pkg/profiles if netcdf test fails.
185    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
186    o move call to cal_readparms up to make calendar parameters/variable available
187      to all packages
188    
189    checkpoint58v_post
190    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
191      useDynP_inEos_Zc tested.
192    o pkg/exf: changes to properly interpolate/mask/scale initial fields
193    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
194      and portions thereof.  See read_cs.txt for description and examples.
195    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
196      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
197      following the great-circle arc between those 2 points.
198    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
199      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
200    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
201     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
202     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
203     - still needs work (not working with some options ; efficiency to improve)
204       and serious testing.
205     - use this scheme for temperature & salinity in 2 advection test exp.:
206       advect_xy & advect_xz, respectively.
207    
208    checkpoint58u_post
209    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
210    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
211    o testreport: add option "-skipdir" to skip some test.
212    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
213      momentum calculation.
214    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
215    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
216      remove checkpoint.F and the_correction_step.F (no longer used);
217      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
218    o add option (linFSConserveTr) to correct for tracer source/sink due to
219      Linear Free surface
220    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
221    o pkg/thsice: fix reading mnc-pickups
222    
223    checkpoint58t_post
224    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
225    o pkg/mdsio:
226     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
227       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
228       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
229     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
230     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
231       either MDS_READ_FIELD or MDS_WRITE_FIELD )
232     - new S/R (to replace MDSWRITEMETA), which allows to write more
233       informations (variable names, time ...) to meta files.
234     - modify rdmds.m to give back the meta file content.
235    o pkg/diagnostics: change vertical interpolation to be safer, and more
236       flexible (define p-levels to interpolate to in data.diagnostics);
237      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
238       diagnostic pointer.
239    o pkg/seaice: more cleaning up of seaice_growth, added many comments
240    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
241    o fix multi-category seaice:
242     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
243       SEAICE_MULTICATEGORY
244     - fix short wave heat flux
245    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
246       and allow to use EVP solver. Change forward lab_sea: test both EVP
247       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
248    o Initial check-in of lab_sea adjoint
249      (very similar to natl_box_adjoint/code_seaice)
250      * used C-grid and EVP solver
251      * used KPP, GM/Redi
252      * uses inAdExact=.TRUE.
253      * gradient checks fail for both ADM and TLM
254        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
255        f.d. gradients actually seem more problematic than ADM, TLM gradients;
256        issue is related to forward mismatch between g77 an ifort
257    o pkg/seaice: overhaul of thermodynamics
258     - growth.F and groatb.F are replaced by new routine seaice_growth.F
259     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
260     - move a few global fields out of SEAICE.h into seaice_growth.F and
261       make them 2D (FICE/QNETO/ ...)
262     - remove FO (it is the same as QNETO)
263     - introduce a few local fields to avoid modifying external fields such
264       as atemp, etc.
265    
266    checkpoint58s_post
267    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
268      changed exf_set_gen.F so that
269        genperiod=0 means input file is one time-constant field and
270        genperiod=-12 means input file contains 12 monthly means
271    o CG2D: use pre-computed solver main-diagonal (stored in common block);
272      this affects truncation error ; generate new output file for exp. which
273      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
274        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
275        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
276        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
277        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
278        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
279    o start implementation of deep-atmosphere and anelastic formulation
280    o verification: remove 2nd copy of input files and use script "prepare_run"
281      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
282    o mom_common/vecinv/fluxform: fix a few initialisation isssues
283    o profiles: fix for multithreaded case
284    
285    o diagnostics: rename few diags:
286      s/'PRESSURE'/'RCENTER '/g
287      s/'TICE    '/'oceFreez'/g
288      s/'TAUX    '/'oceTAUX '/g
289      s/'TAUY    '/'oceTAUY '/g
290      s/'SWFLUX  '/'oceQsw  '/g
291      s/DIFx/DFxE/g
292      s/DIFy/DFyE/g
293      and add few ocean-forcing diagnostics:
294      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
295    o modifications to pkg/seaice/growth.F and budget.F, which change results of
296      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
297      as actual snow thickness.  It now refers everywhere to effective snow
298      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
299    
300    checkpoint58r_post
301    o modifications to pkg/seaice/growth.F, which change results of
302      lab_sea experiment: fixes pertain to melting snow over open water, to
303      masking EVAP under sea ice, and to using the correct AREA variable for
304      computations of EVAP, PRECIP, HSNOW, and GHEFF
305    o add ability to read bathy, salt, and theta using MNC (off by def)
306    o add flooding algorithm and advection of HSNOW for pkg/seaice;
307      both are turned off by default and do no change any results
308    o seaice advection with pkg/thsice: a step toward the use of non-linear
309      advection scheme, but #ifdef or commented out for now (requires more EXCH).
310    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
311      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
312      in natl_box (affects results @ truncation level: update output.txt)
313    o multi-threading and IO:
314      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
315      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
316        (needed to work with SingleCpuIO): tested in all verif. exp.
317    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
318      affects the results (but none of the verification test uses this scheme).
319    o Adding some pkg/diagnostics capability to pkg/seaice
320      (will certainly be subject to changes)
321    o ctrl: adding new control variables:
322      lwflux, lwdown, evap, snowprecip, apressure, runoff
323    
324    checkpoint58q_post
325    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
326      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
327      high_res_cube configuration by 4% on Columbia.
328    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
329      add (in global_with_exf/code) a version of EXF_INTERP_READ without
330      dynamical allocation (seems to work in multi-threaded).
331    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
332      single CPU io) so that TAF does not have to see EESUPPORT.h
333    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
334    
335    checkpoint58p_post
336    o obcs: stop if obcs is used with useCDscheme = .true.
337    o shelfice:
338     - fix a sign error so that no slip at shelfice interface works
339     - remove stop for combination non-hydrostatic code and shelfice. That does
340       not mean, that the results are correct, but at least they are numerically
341       stable
342    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
343    o added adjoint exch routined for all exch*3d* routines
344      and updated flow directives
345    
346    checkpoint58o_post
347    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
348      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
349    o change controling S/R for writing pickup file (new S/R do_write_pickup)
350      and clean-up reading/writing of pickup files.
351    o fix local version of read/write pickup (NH part) in rotating_tank/code
352    o simplify EXCH interface:
353     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
354     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
355    o added the regrid package
356    o shelfice:
357     - add a simple boundary layer scheme to reduce noise
358     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
359    
360    checkpoint58n_post
361    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
362       local variable (not in common block).
363    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
364      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
365      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
366        to work with SingleCpuIO.
367    o add "_d 0" to real constant of pkg/cfc subroutines ;
368       update exp. cfc_exemple & tutorial_cfc_offline output files.
369    o multi-threading and IO:
370      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
371        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
372      - barrier before and after reading.
373      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
374      - avoid using MDS_WRITELOCAL for LAND pkg output.
375      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
376        common-block variables ; Allows multi-threading with master-thread IO.
377    o change default MAX_NO_THREADS from 32 to 4 ;
378      and stop cleanly when MAX_NO_THREADS is too small.
379    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
380    
381    checkpoint58m_post
382    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
383       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
384    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
385       keep global_ocean.90x40x15 (for AD testing) with former secondary test
386       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
387    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
388        add MITgcm_tutorials (= code + all the tutorials)
389    o ecco, option to compute cost for total ssh (mean+anom)
390    o consistent with addition of ptracer and ssh in pkg/profiles
391    o profiles: adding ptracer and ssh
392    o testreport: change multi-test output-file name
393      (from output.txt.{name} to output.{name}.txt)
394    o profiles: now ok for mutli-tiles case
395    o seaice: add 4 parameters for different advection schemes for area,
396      (effective) seaice thickness, enthalphy, and snow height. Their default
397      is the standard parameter SEAICEadvScheme
398    o calc_gw:
399     - add cosFacU in zonal viscous flux (harmonic.visc.).
400     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
401       of tutorial_plume_on_slope.
402    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
403    o calc_gw: true flux-form, account for horizontal grid spacing.
404      update rotating_tank results, but not plume_on_slope (affected at
405      truncation level, 11 digits).
406    
407    checkpoint58l_post
408    o calc_gw:
409     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
410     - remove side-drag for now (need to fix it); update plume_on_slope results.
411     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
412    o commit code to make SST/SSS weights spatially variable
413      (based on either variable in-situ or variable initial T/S weights)
414    o pkg/ecco:
415      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
416        now based on horizontally varying weights wthetaLev, wsaltLev
417      * cost_averagesflags now returns year indices in addition to day, month
418      * sflux balance is performed on annual basis
419        (sflxumm, sfluxmm2, bal_sfluxmm)
420      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
421        including separate counting and multipliers
422    o pkg/rbcs
423      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
424    
425    checkpoint58k_post
426    o testreport:
427     - always build in dir. "build" (if not there, mkdir build instead of building
428       & running in input)
429     - run in dir run (if it exists), in build otherwise.
430     - call prepare_run (if input/prepare_run exists)
431     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
432    o pkg/exf modifications to interpolation and rotation routines for more
433       reasonable treatment of North Pole singularity: for tracers North Pole
434       value is set to northernmost zonal-mean value, for zonal velocity it is
435       set to zero, and for meridional velocity it is set to northernmost value.
436    o pkg/exf/exf_check_range.F
437     - add tile index to diagnostics and move stop statement to the very
438       end of the routine.
439    o pkg/diagnostics: (diagnostics_main_init.F)
440      define title of isomorphic variables according to the current config.
441    o pkg/thsice with pkg/seaice dynamics:
442    - fix domain of computation (interior only, required for exf) and do exchanges
443    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
444    o towards a standard way of dealing with multi-threading in MONITOR
445      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
446    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
447       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
448    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
449    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
450    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
451       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
452    o tracer advection:
453     - clean-up and simplify calc_common_factors.F
454     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
455       advection subroutine (but still not used within DST advection S/R)
456    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
457    
458    checkpoint58j_post
459    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
460      from file (collects calls previously in FORWARD_STEP)
461    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
462    o adjoint store dir. adjusted accordingly
463    o genmake2
464      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
465    
466    checkpoint58i_post
467    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
468      on wind stress (SEAICEstressFactor defaults to 1.)
469    o Total number of Timers is finite (<=40): comment out 2 non-essential one
470      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
471    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
472      on CS-grid: no longer loosing mass.
473    o exf & curvilinear-grid: no longer modify longitude xC & xG.
474    o pkg/ggl90: fix sloppy output and fix a bug
475    o pkg/seaice: added SEAICEuseEVPpickup parameter
476      - Set to false in order to start EVP solver with
477        non-EVP pickup files when using SEAICEuseEVP
478      - fix sign error in diffusion in seaice_calc_rhs
479    
480    checkpoint58h_post
481    * Modifications for bottom topography control
482      o replace hFacC by _hFacC at various places
483      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
484      o add non-self-adjoint cg2d_nsa
485      o update autodiff support routines
486      o re-initialise hfac after ctrl_depth_ini
487      o works for 5x5 box, doesnt work for global_ocean.90x40x15
488    * Adding verification for 5x5 box (4-layer) bottom topography control
489    
490    checkpoint58g_post
491    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
492       used for mean seasonal cycle, mean diurnal cycle); add an example
493       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
494    o pkg/ggl90:
495      - add parameter (minimum surface kinetic energy)
496      - fix bug (avoiding division by zero)
497    o couple pkg/thsice to pkg/seaice:
498      - modify advection in seaice to accomodate new scalar fields to be advected
499      - only muliDimAdection scheme work with seaice/thsice
500      - mapping of thsice-variables to seaice-variables, back and forth
501      - does not break the verification experiments, but does not give the
502        desired results either
503    o pkg/seaice
504      - make (default) second order advection a bit less confusing?
505    
506    checkpoint58f_post
507    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
508      to pkg/seaice):
509      - new routines thsice_map_exf and thsice_get_exf provide the interface
510      - add an additional formal parameter to thsice_solve4temp
511    o pkg/exf:
512      - add new fields wspeed, snowprecip (to be able to couple to thsice)
513      - correct Stefan-Boltzmann constant
514      - new parameter for longwave surface emittance
515      - separate some stuff from exf_bulkformulae into new routines  
516        exf_radiation, exf_wind
517      - add new parameters and constants: longwave emissivity for ocean, ice
518        and snow, evaporation parameters over ice
519      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
520        either wind from stress or stress from wind
521    o pkg/thSIce:
522    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
523    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
524       and THSICE_CALC_THICKN
525    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
526    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
527      to make debugging easier.
528    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
529    o pkg/bulk_force:
530      - clean-up comments and parameters ;
531      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
532    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
533      generate new output for test-experiment: aim.5l_cs.thSI
534    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
535      testreport accordingly
536    
537    checkpoint58e_post
538    o SEAICE_CGRID adjoint done
539    o R_STAR adjoint implemented.
540      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
541      * need to sort out init. of h0facc, etc.
542    o Make pkg/profile fully independent of ecco,cost, etc. stuff
543      to be able to use it in pure forward.
544    
545    checkpoint58d_post
546    o upgrade simple test-experiment to tutorial example:
547     step.1: duplicate the experiment and (step.2) will remove the old copy.
548      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
549      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
550      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
551      tutorial_global_oce_biogeo    <- copy of dic_example
552      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
553      tutorial_plume_on_slope       <- copy of plume_on_slope
554      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
555      tutorial_global_oce_optim     <- empty for now (David ?)
556      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
557     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
558    o correct a sign problem in cost_scat.F
559    o obcs and ptracers: fix boundary conditions for advections schemes
560      with larger stencil
561    o thsice adjoint: start
562    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
563      completeness
564    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
565      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
566    o ptracers adjoint:
567      * avoid extensive recomputatations
568      * fix missing re-init. of gptr (missed by TAF)
569    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
570      me to turn off the excessive output to STDOUT that this package produces
571    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
572      and add those terms in Vector-Invariant formulation.
573    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
574      if the control period (xx_hfluxperiod etc) is 0
575    o in profiles pkg, clean routines and fix details
576    o in ecco pkg, reading ssh data:
577      fix problem in case the model does not start at iter0=0
578    o fix mnc-pickup/restart for ptracers
579    o new package prifiles:
580      code to compute profile-based cost by Gael Forget
581      (modifs in ecco, ctrl, autodiff)
582    o Benign bug fix in initialization (spotted by M. Mazloff) of
583      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
584    
585    checkpoint58c_post
586    o adjoint: finish NLFS adjoint and provide reference output in
587      verification/global_ocean.90x40x15/results_ad_nlfs
588    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
589      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
590      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
591      with SEAICE_CGRID defined.
592    o move calendarDumps from "data" to "data.cal" and clean-up the code
593      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
594    o add useEXF & useCAL flags (for now, set in hard-coded way)
595    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
596      (were missing in NH mode, and wrong in quasihydrostatic mode).
597      waiting for Chris updated version of calc_gw to add those CALLs.
598    o fix bug in quasihydrostatic S/R ;
599      add a test for this option: global_ocean.90x40x15.qshyd
600    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
601      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
602    o add on/off flag useOffLine for package OFFLINE
603    o seaice:
604      - modify advection so that it works also on the C-grid
605      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
606        problem in multi-tile runs with C-grid
607      - add flags for clipping ice velocities and/or masking solver forcing
608      - fix drag (ocean on ice) formulation and a bug that caused noise in the
609        C-grid solver
610      - added a few comments to seaice_diffusion.F
611      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
612        are now exclusive)
613      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
614        required re-ordering the code a little:
615       + make DAIRN global variable (defined in SEAICE)
616       + move computation of the viscosities eta and zeta into a new separate
617         routine (because I need to recompute them in seaice_ocean_stress.F)
618    
619    checkpoint58b_post
620    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
621      update output.txt of exp. aim.5l_cs.thSI
622    o various mnc cleanups and improvements:
623      + shrink lookup tables by factor of ~4
624      + better error reporting when running out of lookup space
625      + able to handle longer path/file names (up to 500 chars)
626    o adjoint:
627      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
628      - TBD: "hidden" mom_vecinv recomp. in dynamics
629    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
630     (allow to differentiate between forcing components using new integer flags:
631      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
632     and add new flag to put Dissipation tendency out of Adams-Bashforth.
633    o ecco
634      - enable trend removal from SSH anomaly obs.
635    o adjoint
636      - a fix for PmEpR when #undef EXACT_CONSERV
637      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
638      - try to fix "hidden" recomp. in forward_step for NLFS
639        (NLFS seems broken sometimes after I checked it in)
640    o seaice:
641     - add c-grid version of the dynamic solver:
642       + three new routines that are the c-grid substitute lsr, dynsolver
643         and ostres
644       + put a few fields that were local to dynsolver into global common
645         blocks, so that I can move the computation of stresses etc into
646         seaice_lsr (saves coding but may break the adjoint).
647     - replace more hardwired parameters by runtime parameters
648     - add ice masks that mask the rhs of the implicit solvers where there
649       is no ice (commented out in seaice_dynsolver, because i am not sure
650       if this works properly), eventually this should replace the clipping
651       of ice velocities in seaice_dynsolver to +/-40cm/s.
652    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
653      include it only where its needed
654    o move balancing of fluxes before the call of external_forcing_surf
655    o seaice:
656      - correct units of turning angles (now they are really in degrees)
657      - move computation of GWATX/Y out of main routine into dynsolver
658      - initialize GWATX/Y in seaice_init
659    o Apply mask on Fresh-Water flux (needed for SSH forcing).
660      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
661    o seaice: add runtime flags for turning angles (default to zero)
662    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
663      and trend from exf forcing and ctrl control adjustments
664    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
665      (since checkpoint57x_post)
666    o change the default rotation period to 86164.s = the Earth rotation
667    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
668      and based on a reference stratification. Tested within hs94.cs-32x32x5.
669    o seaice advection: add code for choosing between the default (2nd order
670      central differences) and multiDim advection schemes provided by
671      pkg/generic_advdiff
672    o seaice:
673      - removed all references to SEAICE_GRID.h fields from
674        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
675        (cubed-sphere configuration will change a little)
676      - grid computations in seaice_init are obsolete now.
677      - cleaned up code a little so that is easier to read (hopefully).
678      - added new (better?) discretizations of default advection and diffusion
679        (turn on with SEAICEuseFluxForm)
680      - replace 1 in 3d global fields by kSurface in growth.F
681      
682    checkpoint58a_post
683    o seaice:
684      - bug fix in advect.F
685    o shelfice:
686      - separate shelfice load anomaly from pload (breaks with time
687        dependent forcing), => introduce constant field shelficeLoadAnomaly.
688        Its default is 0., but it may be computed more cleverly from (unknown)
689        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
690        done offline. A good approximation of the pressure load anomaly is
691        necessary to avoid large initial adjustment processes underneath
692        deep-reaching shelfice.
693      - small fix in ISOMIP shelfice_thermodynamics
694      - add more sophisticated thermodynamics of Hellmer (1989), this is
695        now the default
696      - give a few constants more intuitive names
697    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
698      if bulk formulae are used in long integration (especially EmPmR). Turn
699      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
700      if balancePrintMean, the imbalance that is substracted is printed to
701      STDOUT.
702    o fix bug (typo) in obcs_apply_eta.F
703    o add a new package shelfice which enables us to model the circulation
704      underneath shelf-ice with draughts of hundreds of meters.
705     - works
706     - to do: + include improved thermodynamics
707              + check whether kSurfC (from model/inc/SURFACE.h) can be used
708                instead of new field kTopC
709              + can we use topoFile, Ro_surf and existing code in ini_depth.F
710                instead of new field R_shelfIce and new code in ini_depth.F
711                and ini_mask_etc.F?
712              + adjust vertical mixing schemes?
713    o seaice pkg:
714     - add a cpp-flag to include a simple formula for a salinity dependent
715       freezing point of sea water at the surface
716     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
717       meridional stresses are now different (and hopefully correct)
718    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
719       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
720       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
721    o pkg/diagnostics: add options and parameters for regional-statistics
722       diagnostics ; define regions by reading a region-mask from a file
723       (might add other options later)
724    o pkg/bulk_force:
725     - add option and parameters to use AIM surface-flux formulae.
726     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
727       others forcing fields (defined in PARM05, parameter file "data") are loaded
728       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
729     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
730     - use the right EXCH call for uwind,vwind (to work on CS-grid).
731     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
732       and parameters (note: calcWindStress replaces .NOT.readwindstress).
733     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
734    
735    checkpoint58
736  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
737    tools can be compiled (as determined by genmake2) will turn on the    tools can be compiled (as determined by genmake2) will turn on the
738    embed_files package which then embeds the entire MITgcm source code    embed_files package which then embeds the entire MITgcm source code

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