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revision 1.158 by heimbach, Fri May 23 18:24:17 2003 UTC revision 1.802 by jmc, Mon Apr 30 16:03:40 2007 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/thsice: rename run-time parameters:
8       himin       -> hIceMin
9       himin0      -> hThinIce
10       hihig       -> hThickIce
11       i0          -> i0swFrac
12       transCoef   -> bMeltCoef
13       frac_energy -> fracMelting
14      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
15       with default values (for now) that do not change the results.
16      remove old version of thsice vars advection in pkg/seaice.
17    o in FFIELDS.h:
18      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
19      - make pLoad & sIceLoad always available (but still only used if
20         ATMOSPHERIC_LOADING is #define).
21    o pkg/kpp: replaced _KPP_RL with _RL
22    o bug fixes for vertical diffusivity computations when both KPP and
23        3D diffusivity arrays are used.
24    o pkg/seaice: fix bug in evp solver, while doing that
25      - change (improve?) discretization of stress computations for both
26        cgrid-lsr and evp solver
27      - add a new routine to compute strain rates
28      - the above changes lab_sea results
29      - add no slip conditions for evp solver (off by default), lsr-version
30        may follow
31      - fix exchange for shear at Z-points (does not change lab_sea)
32      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
33        (to force the user to pick a time step since there is not "safe" way
34        of choosing it)
35      - add principal stress diagnostics
36      - rearrange fields for evp a little to avoid having to call a: too many
37        exchanges and b: exchanges for stress trensor components which we do
38        not have.
39      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
40        of evp, complete rewrite for lsr case (latter is does not yet work
41        in all cases)
42    o pkg/kpp: add code to have mixing in shelf ice caverns
43    
44    checkpoint59
45    o pkg/exf:
46      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
47        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
48      - move exf header files from lower_case.h to UPPER_CASE.h ;
49        add missing cvs Header & Name
50      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
51      - add namelist param. selectStressGridPosition, exf_monFreq
52      - retire many _CLIM routines, and remove data.exf_clim
53        + params moved to data.exf
54        + climsst, climsss now handled by exf_set_gen, i.e.
55          climss?period=0 refers to constant field,
56          climss?period=-12 to monthly forcing
57      - split up namelists in data.exf
58    o pkg/seaice:
59      - remove seaice_exch and seaice_exch_uv
60      - remove superfluous exchange of theta
61      - add myThid to seaice_budget_ocean/ice
62      - add new interface for atmospheric wind forcing (C-grid only)
63        + new routine
64        + two new field (taux, tauy for stress over ice)
65        + removed one global field (DAIRN) for C-grid case only
66    o pkg/thsise
67      - 2nd set of modifs for thsice adjoint in conjunction with exf
68    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
69    
70    checkpoint58y_post
71    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
72      vertical diffusivity, similar to that in MOM4; turned on using
73      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
74      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
75    o Added capability for 3D specification of background vertical diffusion
76      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
77      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
78      "data" file that contains the 3D vertical diffusivity coefficients.
79    o ice dynamics (pkg/seaice) with thsice thermodynamics:
80      - add code within pkg thsice to advect & diffuse sea-ice fields
81      similar to (and will replace) what has been added in  seaice_advdiff.F,
82      but: - conserving Mass, Heat & Salt.
83           - better when using non-linear advection scheme (not yet fully tested)
84           - can also be used in atmospheric set-up (for now, only the diffusion).
85    
86    checkpoint58x_post
87    o IO option for global-file compact format:
88      - add options when generating topology (utils/exch2/matlab-topology-generator)
89      - add I/O capability (pkg/mdsio).
90      - adapt utils/matlab/rdmds.m to read this format.
91      for now long-line format not yet supported by pkg/mdsio (& exch2).
92    o shelfice: add a few diagnostics
93    
94    checkpoint58w_post
95    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
96      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
97      (and replace horiVertRatio in NH code).
98      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
99                         and tutorial_plume_on_slope (sensitive to truncation)
100    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
101      directly to drive seaice model (C-grid only)
102    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
103     - reintroduce computation of wind from stress,
104     - compute tau (in exf_bulkformulae.F) from windstress averaged to
105       mass points to avoid tau = 0
106     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
107    o rdmnc.m: make it work with "global" files created with gluemnc
108    o rdmnc.m : some improvements in dealing with singleton dimension
109      (tested on all testreport mnc output files).
110    o genmake2: disable pkg/profiles if netcdf test fails.
111    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
112    o move call to cal_readparms up to make calendar parameters/variable available
113      to all packages
114    
115    checkpoint58v_post
116    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
117      useDynP_inEos_Zc tested.
118    o pkg/exf: changes to properly interpolate/mask/scale initial fields
119    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
120      and portions thereof.  See read_cs.txt for description and examples.
121    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
122      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
123      following the great-circle arc between those 2 points.
124    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
125      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
126    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
127     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
128     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
129     - still needs work (not working with some options ; efficiency to improve)
130       and serious testing.
131     - use this scheme for temperature & salinity in 2 advection test exp.:
132       advect_xy & advect_xz, respectively.
133    
134    checkpoint58u_post
135    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
136    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
137    o testreport: add option "-skipdir" to skip some test.
138    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
139      momentum calculation.
140    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
141    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
142      remove checkpoint.F and the_correction_step.F (no longer used);
143      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
144    o add option (linFSConserveTr) to correct for tracer source/sink due to
145      Linear Free surface
146    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
147    o pkg/thsice: fix reading mnc-pickups
148    
149    checkpoint58t_post
150    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
151    o pkg/mdsio:
152     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
153       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
154       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
155     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
156     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
157       either MDS_READ_FIELD or MDS_WRITE_FIELD )
158     - new S/R (to replace MDSWRITEMETA), which allows to write more
159       informations (variable names, time ...) to meta files.
160     - modify rdmds.m to give back the meta file content.
161    o pkg/diagnostics: change vertical interpolation to be safer, and more
162       flexible (define p-levels to interpolate to in data.diagnostics);
163      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
164       diagnostic pointer.
165    o pkg/seaice: more cleaning up of seaice_growth, added many comments
166    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
167    o fix multi-category seaice:
168     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
169       SEAICE_MULTICATEGORY
170     - fix short wave heat flux
171    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
172       and allow to use EVP solver. Change forward lab_sea: test both EVP
173       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
174    o Initial check-in of lab_sea adjoint
175      (very similar to natl_box_adjoint/code_seaice)
176      * used C-grid and EVP solver
177      * used KPP, GM/Redi
178      * uses inAdExact=.TRUE.
179      * gradient checks fail for both ADM and TLM
180        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
181        f.d. gradients actually seem more problematic than ADM, TLM gradients;
182        issue is related to forward mismatch between g77 an ifort
183    o pkg/seaice: overhaul of thermodynamics
184     - growth.F and groatb.F are replaced by new routine seaice_growth.F
185     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
186     - move a few global fields out of SEAICE.h into seaice_growth.F and
187       make them 2D (FICE/QNETO/ ...)
188     - remove FO (it is the same as QNETO)
189     - introduce a few local fields to avoid modifying external fields such
190       as atemp, etc.
191    
192    checkpoint58s_post
193    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
194      changed exf_set_gen.F so that
195        genperiod=0 means input file is one time-constant field and
196        genperiod=-12 means input file contains 12 monthly means
197    o CG2D: use pre-computed solver main-diagonal (stored in common block);
198      this affects truncation error ; generate new output file for exp. which
199      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
200        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
201        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
202        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
203        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
204        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
205    o start implementation of deep-atmosphere and anelastic formulation
206    o verification: remove 2nd copy of input files and use script "prepare_run"
207      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
208    o mom_common/vecinv/fluxform: fix a few initialisation isssues
209    o profiles: fix for multithreaded case
210    
211    o diagnostics: rename few diags:
212      s/'PRESSURE'/'RCENTER '/g
213      s/'TICE    '/'oceFreez'/g
214      s/'TAUX    '/'oceTAUX '/g
215      s/'TAUY    '/'oceTAUY '/g
216      s/'SWFLUX  '/'oceQsw  '/g
217      s/DIFx/DFxE/g
218      s/DIFy/DFyE/g
219      and add few ocean-forcing diagnostics:
220      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
221    o modifications to pkg/seaice/growth.F and budget.F, which change results of
222      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
223      as actual snow thickness.  It now refers everywhere to effective snow
224      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
225    
226    checkpoint58r_post
227    o modifications to pkg/seaice/growth.F, which change results of
228      lab_sea experiment: fixes pertain to melting snow over open water, to
229      masking EVAP under sea ice, and to using the correct AREA variable for
230      computations of EVAP, PRECIP, HSNOW, and GHEFF
231    o add ability to read bathy, salt, and theta using MNC (off by def)
232    o add flooding algorithm and advection of HSNOW for pkg/seaice;
233      both are turned off by default and do no change any results
234    o seaice advection with pkg/thsice: a step toward the use of non-linear
235      advection scheme, but #ifdef or commented out for now (requires more EXCH).
236    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
237      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
238      in natl_box (affects results @ truncation level: update output.txt)
239    o multi-threading and IO:
240      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
241      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
242        (needed to work with SingleCpuIO): tested in all verif. exp.
243    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
244      affects the results (but none of the verification test uses this scheme).
245    o Adding some pkg/diagnostics capability to pkg/seaice
246      (will certainly be subject to changes)
247    o ctrl: adding new control variables:
248      lwflux, lwdown, evap, snowprecip, apressure, runoff
249    
250    checkpoint58q_post
251    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
252      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
253      high_res_cube configuration by 4% on Columbia.
254    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
255      add (in global_with_exf/code) a version of EXF_INTERP_READ without
256      dynamical allocation (seems to work in multi-threaded).
257    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
258      single CPU io) so that TAF does not have to see EESUPPORT.h
259    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
260    
261    checkpoint58p_post
262    o obcs: stop if obcs is used with useCDscheme = .true.
263    o shelfice:
264     - fix a sign error so that no slip at shelfice interface works
265     - remove stop for combination non-hydrostatic code and shelfice. That does
266       not mean, that the results are correct, but at least they are numerically
267       stable
268    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
269    o added adjoint exch routined for all exch*3d* routines
270      and updated flow directives
271    
272    checkpoint58o_post
273    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
274      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
275    o change controling S/R for writing pickup file (new S/R do_write_pickup)
276      and clean-up reading/writing of pickup files.
277    o fix local version of read/write pickup (NH part) in rotating_tank/code
278    o simplify EXCH interface:
279     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
280     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
281    o added the regrid package
282    o shelfice:
283     - add a simple boundary layer scheme to reduce noise
284     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
285    
286    checkpoint58n_post
287    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
288       local variable (not in common block).
289    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
290      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
291      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
292        to work with SingleCpuIO.
293    o add "_d 0" to real constant of pkg/cfc subroutines ;
294       update exp. cfc_exemple & tutorial_cfc_offline output files.
295    o multi-threading and IO:
296      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
297        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
298      - barrier before and after reading.
299      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
300      - avoid using MDS_WRITELOCAL for LAND pkg output.
301      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
302        common-block variables ; Allows multi-threading with master-thread IO.
303    o change default MAX_NO_THREADS from 32 to 4 ;
304      and stop cleanly when MAX_NO_THREADS is too small.
305    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
306    
307    checkpoint58m_post
308    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
309       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
310    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
311       keep global_ocean.90x40x15 (for AD testing) with former secondary test
312       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
313    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
314        add MITgcm_tutorials (= code + all the tutorials)
315    o ecco, option to compute cost for total ssh (mean+anom)
316    o consistent with addition of ptracer and ssh in pkg/profiles
317    o profiles: adding ptracer and ssh
318    o testreport: change multi-test output-file name
319      (from output.txt.{name} to output.{name}.txt)
320    o profiles: now ok for mutli-tiles case
321    o seaice: add 4 parameters for different advection schemes for area,
322      (effective) seaice thickness, enthalphy, and snow height. Their default
323      is the standard parameter SEAICEadvScheme
324    o calc_gw:
325     - add cosFacU in zonal viscous flux (harmonic.visc.).
326     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
327       of tutorial_plume_on_slope.
328    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
329    o calc_gw: true flux-form, account for horizontal grid spacing.
330      update rotating_tank results, but not plume_on_slope (affected at
331      truncation level, 11 digits).
332    
333    checkpoint58l_post
334    o calc_gw:
335     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
336     - remove side-drag for now (need to fix it); update plume_on_slope results.
337     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
338    o commit code to make SST/SSS weights spatially variable
339      (based on either variable in-situ or variable initial T/S weights)
340    o pkg/ecco:
341      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
342        now based on horizontally varying weights wthetaLev, wsaltLev
343      * cost_averagesflags now returns year indices in addition to day, month
344      * sflux balance is performed on annual basis
345        (sflxumm, sfluxmm2, bal_sfluxmm)
346      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
347        including separate counting and multipliers
348    o pkg/rbcs
349      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
350    
351    checkpoint58k_post
352    o testreport:
353     - always build in dir. "build" (if not there, mkdir build instead of building
354       & running in input)
355     - run in dir run (if it exists), in build otherwise.
356     - call prepare_run (if input/prepare_run exists)
357     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
358    o pkg/exf modifications to interpolation and rotation routines for more
359       reasonable treatment of North Pole singularity: for tracers North Pole
360       value is set to northernmost zonal-mean value, for zonal velocity it is
361       set to zero, and for meridional velocity it is set to northernmost value.
362    o pkg/exf/exf_check_range.F
363     - add tile index to diagnostics and move stop statement to the very
364       end of the routine.
365    o pkg/diagnostics: (diagnostics_main_init.F)
366      define title of isomorphic variables according to the current config.
367    o pkg/thsice with pkg/seaice dynamics:
368    - fix domain of computation (interior only, required for exf) and do exchanges
369    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
370    o towards a standard way of dealing with multi-threading in MONITOR
371      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
372    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
373       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
374    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
375    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
376    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
377       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
378    o tracer advection:
379     - clean-up and simplify calc_common_factors.F
380     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
381       advection subroutine (but still not used within DST advection S/R)
382    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
383    
384    checkpoint58j_post
385    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
386      from file (collects calls previously in FORWARD_STEP)
387    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
388    o adjoint store dir. adjusted accordingly
389    o genmake2
390      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
391    
392    checkpoint58i_post
393    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
394      on wind stress (SEAICEstressFactor defaults to 1.)
395    o Total number of Timers is finite (<=40): comment out 2 non-essential one
396      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
397    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
398      on CS-grid: no longer loosing mass.
399    o exf & curvilinear-grid: no longer modify longitude xC & xG.
400    o pkg/ggl90: fix sloppy output and fix a bug
401    o pkg/seaice: added SEAICEuseEVPpickup parameter
402      - Set to false in order to start EVP solver with
403        non-EVP pickup files when using SEAICEuseEVP
404      - fix sign error in diffusion in seaice_calc_rhs
405    
406    checkpoint58h_post
407    * Modifications for bottom topography control
408      o replace hFacC by _hFacC at various places
409      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
410      o add non-self-adjoint cg2d_nsa
411      o update autodiff support routines
412      o re-initialise hfac after ctrl_depth_ini
413      o works for 5x5 box, doesnt work for global_ocean.90x40x15
414    * Adding verification for 5x5 box (4-layer) bottom topography control
415    
416    checkpoint58g_post
417    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
418       used for mean seasonal cycle, mean diurnal cycle); add an example
419       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
420    o pkg/ggl90:
421      - add parameter (minimum surface kinetic energy)
422      - fix bug (avoiding division by zero)
423    o couple pkg/thsice to pkg/seaice:
424      - modify advection in seaice to accomodate new scalar fields to be advected
425      - only muliDimAdection scheme work with seaice/thsice
426      - mapping of thsice-variables to seaice-variables, back and forth
427      - does not break the verification experiments, but does not give the
428        desired results either
429    o pkg/seaice
430      - make (default) second order advection a bit less confusing?
431    
432    checkpoint58f_post
433    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
434      to pkg/seaice):
435      - new routines thsice_map_exf and thsice_get_exf provide the interface
436      - add an additional formal parameter to thsice_solve4temp
437    o pkg/exf:
438      - add new fields wspeed, snowprecip (to be able to couple to thsice)
439      - correct Stefan-Boltzmann constant
440      - new parameter for longwave surface emittance
441      - separate some stuff from exf_bulkformulae into new routines  
442        exf_radiation, exf_wind
443      - add new parameters and constants: longwave emissivity for ocean, ice
444        and snow, evaporation parameters over ice
445      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
446        either wind from stress or stress from wind
447    o pkg/thSIce:
448    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
449    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
450       and THSICE_CALC_THICKN
451    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
452    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
453      to make debugging easier.
454    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
455    o pkg/bulk_force:
456      - clean-up comments and parameters ;
457      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
458    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
459      generate new output for test-experiment: aim.5l_cs.thSI
460    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
461      testreport accordingly
462    
463    checkpoint58e_post
464    o SEAICE_CGRID adjoint done
465    o R_STAR adjoint implemented.
466      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
467      * need to sort out init. of h0facc, etc.
468    o Make pkg/profile fully independent of ecco,cost, etc. stuff
469      to be able to use it in pure forward.
470    
471    checkpoint58d_post
472    o upgrade simple test-experiment to tutorial example:
473     step.1: duplicate the experiment and (step.2) will remove the old copy.
474      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
475      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
476      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
477      tutorial_global_oce_biogeo    <- copy of dic_example
478      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
479      tutorial_plume_on_slope       <- copy of plume_on_slope
480      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
481      tutorial_global_oce_optim     <- empty for now (David ?)
482      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
483     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
484    o correct a sign problem in cost_scat.F
485    o obcs and ptracers: fix boundary conditions for advections schemes
486      with larger stencil
487    o thsice adjoint: start
488    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
489      completeness
490    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
491      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
492    o ptracers adjoint:
493      * avoid extensive recomputatations
494      * fix missing re-init. of gptr (missed by TAF)
495    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
496      me to turn off the excessive output to STDOUT that this package produces
497    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
498      and add those terms in Vector-Invariant formulation.
499    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
500      if the control period (xx_hfluxperiod etc) is 0
501    o in profiles pkg, clean routines and fix details
502    o in ecco pkg, reading ssh data:
503      fix problem in case the model does not start at iter0=0
504    o fix mnc-pickup/restart for ptracers
505    o new package prifiles:
506      code to compute profile-based cost by Gael Forget
507      (modifs in ecco, ctrl, autodiff)
508    o Benign bug fix in initialization (spotted by M. Mazloff) of
509      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
510    
511    checkpoint58c_post
512    o adjoint: finish NLFS adjoint and provide reference output in
513      verification/global_ocean.90x40x15/results_ad_nlfs
514    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
515      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
516      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
517      with SEAICE_CGRID defined.
518    o move calendarDumps from "data" to "data.cal" and clean-up the code
519      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
520    o add useEXF & useCAL flags (for now, set in hard-coded way)
521    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
522      (were missing in NH mode, and wrong in quasihydrostatic mode).
523      waiting for Chris updated version of calc_gw to add those CALLs.
524    o fix bug in quasihydrostatic S/R ;
525      add a test for this option: global_ocean.90x40x15.qshyd
526    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
527      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
528    o add on/off flag useOffLine for package OFFLINE
529    o seaice:
530      - modify advection so that it works also on the C-grid
531      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
532        problem in multi-tile runs with C-grid
533      - add flags for clipping ice velocities and/or masking solver forcing
534      - fix drag (ocean on ice) formulation and a bug that caused noise in the
535        C-grid solver
536      - added a few comments to seaice_diffusion.F
537      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
538        are now exclusive)
539      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
540        required re-ordering the code a little:
541       + make DAIRN global variable (defined in SEAICE)
542       + move computation of the viscosities eta and zeta into a new separate
543         routine (because I need to recompute them in seaice_ocean_stress.F)
544    
545    checkpoint58b_post
546    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
547      update output.txt of exp. aim.5l_cs.thSI
548    o various mnc cleanups and improvements:
549      + shrink lookup tables by factor of ~4
550      + better error reporting when running out of lookup space
551      + able to handle longer path/file names (up to 500 chars)
552    o adjoint:
553      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
554      - TBD: "hidden" mom_vecinv recomp. in dynamics
555    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
556     (allow to differentiate between forcing components using new integer flags:
557      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
558     and add new flag to put Dissipation tendency out of Adams-Bashforth.
559    o ecco
560      - enable trend removal from SSH anomaly obs.
561    o adjoint
562      - a fix for PmEpR when #undef EXACT_CONSERV
563      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
564      - try to fix "hidden" recomp. in forward_step for NLFS
565        (NLFS seems broken sometimes after I checked it in)
566    o seaice:
567     - add c-grid version of the dynamic solver:
568       + three new routines that are the c-grid substitute lsr, dynsolver
569         and ostres
570       + put a few fields that were local to dynsolver into global common
571         blocks, so that I can move the computation of stresses etc into
572         seaice_lsr (saves coding but may break the adjoint).
573     - replace more hardwired parameters by runtime parameters
574     - add ice masks that mask the rhs of the implicit solvers where there
575       is no ice (commented out in seaice_dynsolver, because i am not sure
576       if this works properly), eventually this should replace the clipping
577       of ice velocities in seaice_dynsolver to +/-40cm/s.
578    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
579      include it only where its needed
580    o move balancing of fluxes before the call of external_forcing_surf
581    o seaice:
582      - correct units of turning angles (now they are really in degrees)
583      - move computation of GWATX/Y out of main routine into dynsolver
584      - initialize GWATX/Y in seaice_init
585    o Apply mask on Fresh-Water flux (needed for SSH forcing).
586      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
587    o seaice: add runtime flags for turning angles (default to zero)
588    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
589      and trend from exf forcing and ctrl control adjustments
590    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
591      (since checkpoint57x_post)
592    o change the default rotation period to 86164.s = the Earth rotation
593    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
594      and based on a reference stratification. Tested within hs94.cs-32x32x5.
595    o seaice advection: add code for choosing between the default (2nd order
596      central differences) and multiDim advection schemes provided by
597      pkg/generic_advdiff
598    o seaice:
599      - removed all references to SEAICE_GRID.h fields from
600        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
601        (cubed-sphere configuration will change a little)
602      - grid computations in seaice_init are obsolete now.
603      - cleaned up code a little so that is easier to read (hopefully).
604      - added new (better?) discretizations of default advection and diffusion
605        (turn on with SEAICEuseFluxForm)
606      - replace 1 in 3d global fields by kSurface in growth.F
607      
608    checkpoint58a_post
609    o seaice:
610      - bug fix in advect.F
611    o shelfice:
612      - separate shelfice load anomaly from pload (breaks with time
613        dependent forcing), => introduce constant field shelficeLoadAnomaly.
614        Its default is 0., but it may be computed more cleverly from (unknown)
615        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
616        done offline. A good approximation of the pressure load anomaly is
617        necessary to avoid large initial adjustment processes underneath
618        deep-reaching shelfice.
619      - small fix in ISOMIP shelfice_thermodynamics
620      - add more sophisticated thermodynamics of Hellmer (1989), this is
621        now the default
622      - give a few constants more intuitive names
623    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
624      if bulk formulae are used in long integration (especially EmPmR). Turn
625      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
626      if balancePrintMean, the imbalance that is substracted is printed to
627      STDOUT.
628    o fix bug (typo) in obcs_apply_eta.F
629    o add a new package shelfice which enables us to model the circulation
630      underneath shelf-ice with draughts of hundreds of meters.
631     - works
632     - to do: + include improved thermodynamics
633              + check whether kSurfC (from model/inc/SURFACE.h) can be used
634                instead of new field kTopC
635              + can we use topoFile, Ro_surf and existing code in ini_depth.F
636                instead of new field R_shelfIce and new code in ini_depth.F
637                and ini_mask_etc.F?
638              + adjust vertical mixing schemes?
639    o seaice pkg:
640     - add a cpp-flag to include a simple formula for a salinity dependent
641       freezing point of sea water at the surface
642     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
643       meridional stresses are now different (and hopefully correct)
644    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
645       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
646       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
647    o pkg/diagnostics: add options and parameters for regional-statistics
648       diagnostics ; define regions by reading a region-mask from a file
649       (might add other options later)
650    o pkg/bulk_force:
651     - add option and parameters to use AIM surface-flux formulae.
652     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
653       others forcing fields (defined in PARM05, parameter file "data") are loaded
654       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
655     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
656     - use the right EXCH call for uwind,vwind (to work on CS-grid).
657     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
658       and parameters (note: calcWindStress replaces .NOT.readwindstress).
659     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
660    
661    checkpoint58
662    o add "--embed-source" option to genmake2 which, when the supporting
663      tools can be compiled (as determined by genmake2) will turn on the
664      embed_files package which then embeds the entire MITgcm source code
665      (*.[fFhc] + Makefile) used for the build within the executable
666      - requested by CNH but off by default
667      - adds a paltry <9MB to the mitgcmuv executable in most cases
668      - only writes the output when useEMBEDSRC in eedata is true
669    o clean up 3-dim. relaxation codes:
670      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
671      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
672      * Thanks to Tom Haine for testing!
673    
674    checkpoint57z_post
675    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
676      affects output (@ truncation level) of exp. plume_on_slope ; updated.
677    o fix the pickup behavior for obcs in combination with ptracers
678    o fix a bug in ptracers_external_fields_load
679    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
680      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
681    o transfered surface NH pressure to eta field (if exactConserv).
682    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
683         and update lab_sea output.txt file.
684    o completing 3-dim. relaxation code: additional term
685         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
686      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
687      * At compile time, in "EXF_OPTIONS.h" set
688          #define  ALLOW_CLIMTEMP_RELAXATION
689          #define  ALLOW_CLIMSALT_RELAXATION
690      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
691          tauThetaClimRelax3Dim = 15552000.0,
692          tauSaltClimRelax3Dim  = 15552000.0,
693      * 3 cases:
694          1) Use a constant-in-time 3-dim. field
695          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
696          3) Real-time relax. to time-evolving prescribed field
697    o Adding Laplacian-type smoothness constraint on
698      initial and boundary (forcing) controls (ic, bc)
699      * enable at compile-time via
700        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
701      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
702      * Absolute scale somewhat unclear so far
703      * no area weighting was included since no other cost term does so far
704    
705    checkpoint57y_post
706    First step for a NLFS adjoint
707    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
708    o new init. routines for calc_r_star, calc_surf_dr
709    o still need to deal with ini_masks_etc
710    o testreport seemed happy
711    checkpoint57y_pre
712    
713    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
714    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
715    o add new offset feature to offline pkg (plus minor cleanup)
716    o cfc fixes for final year of integration
717    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
718      be in GCHEM_OPTIONS).
719    
720    checkpoint57x_post
721    o fix testreport Pb in multiple test experiment.
722    o cleanup our namelist syntax in verification:
723      - make it more F95 standards compliant (some work still needed)
724      - allows the vast majority of our tests to work with gfortran
725    o Non-Hydrostatic:
726     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
727     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
728    o Allow to apply AB on T,S rather than on AB(gT,gS):
729     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
730     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
731       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
732     - need a "clever" read_pickup to restart from the other AB formulation
733    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
734    o remove some unused variables (reduces number of compiler warnings)
735    o adjoint
736      * Disable useVariableViscosity for adjoint for time being
737        (there are a number of extensive recomputations)
738      * Initialize certain variables needed for adjoint
739    
740    checkpoint57w_post
741    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
742                 fix the singleCpuIO RS version of MDSWRITEFIELD
743       and add a WARNING if using globalFiles=T with multi-processors.
744    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
745      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
746    o tracer advection scheme:
747      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
748       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
749       was not very convenient).
750      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
751       (further tests needed for the implicit DST & Flux-Limiter schemes).
752    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
753      and sRef for convenience, handy, when you want to initialize
754      ptracers in a large domain with a constant non-zero value. Also,
755      untangle ptracers_init.F a little.
756    
757    checkpoint57v_post
758    o change dome exp. to use variable viscosity in side-drag terms.
759    o remove all the files from the cfc_offline test since they are now
760      incorporated into tutorial_cfc_offline which has been producing
761      identical results for a few days of testing
762    o add new parameter: sideDragFactor to enable half-slip-side BC
763      and change side-drag S/R to use viscosity from mom_calc_visc
764      (can switch back by setting sideDragFactor=0.); affects results at
765      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
766       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
767    o vorticity & strain are now computed without masking, to account for
768      no-slip-side BC in variable viscosity calculation ; mask is applied
769      anyway later on, before computing advection/coriolis terms.
770    o modify exp4 to test new obcs support for reading from external files
771      and for passive tracers
772    o fix behavior of ptracers_monitor when monitor output is written to a
773      netcdf-file; still not independent of monitor.F (writes in the same
774      file).
775    o change default value of tRef (put a uniform, meaningful value for ocean
776      & atmos) and initialize sRef (was missing, as Martin mentioned).
777    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
778      to be proportional to enstrophy dissipation length.  Thus,
779       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
780      This is now consistent with Smagorinsky and with the manual.
781    
782    checkpoint57u_post
783    o OBCS and PTRACERS: add open boundary support for passive tracers
784      - either use homogenous (pseudo) v.Neumann conditions or prescribe
785        OB-values from file; this is not different from the way theta and salinity
786        are treated
787      - however, Orlanski-radiation conditions are not supported, and the model
788        will stop if you use pTracers and Orlanski at the same time.
789      - beefed up the rountine obcs_external_fields_load: now only those open
790        boundary values are overwritten with values from files for which there
791        are really files, otherwise the OB-fields remain untouched. This makes
792        it possible to use different OBs at different ends of the domain (as
793        with EXF)
794    o reduce number of exch calls in shap_filt (s2).
795    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
796      truncation level) 4/5 MLAdjust test results (11&12 digits match).
797    
798    checkpoint57t_post
799    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
800    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
801      same truncation, independent of the face number: affects affects several
802      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
803    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
804      note that biharmonic viscosity + no-slip was not tested in any experiment.
805    o fix bug in non-linear free-surf side-drag ; generate new output for
806      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
807    o make mnc honor the writeBinaryPrec flag for most kinds of output
808    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
809    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
810      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
811    o add brackets in multi-terms sum to get same truncation, independent of
812      the face number (manage to get exactly same value of gU,gV at the cs-edge)
813      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
814    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
815      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
816      a maximum grid-scale Reynolds number.  Also, changes all length calculations
817      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
818      Suggested values of viscosity parameters found in mom_calc_visc.
819      Many new viscosity diagnostics available.
820    
821    checkpoint57s_post
822    o Add clearing-house for viscosity calculations, mom_calc_visc and
823      correct numerous bugs in LeithD and Smagorinsky discretizations.  
824      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
825      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
826      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
827      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
828      The Strain-Tension form is now called with useStrainTensonVisc=.true.
829      ViscAhStrain and viscAhTension are now retired.
830    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
831    o In response to JMC's bug report, genmake2 now ignores any soft-links
832      that it finds in the *current* directory when searching for files.
833      Soft-links found in any other source directories will still work as
834      they did before.
835    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
836      a C routine to unlimit the stack size
837    o mnc-ify pkg/aim snapshot vars
838    o mnc-ify pkg/land as requested by Daniel
839    o various changes to mnc including:
840      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
841      - output can now be grouped so that all files within a group
842          change the ITER portion of their names in lock-step together
843      - can now read ("global") PER-FACE (in addition to PER-TILE) files
844          and works with both EXCH1 and EXCH2 (but needs more testing)
845      - writing works for all verification test cases w/ g77 on Linux
846    
847    checkpoint57r_post
848    o make MNC variable initialization happen earlier
849    o add diagnostics for (almost) each term of the momentum Eq.
850    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
851    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
852    o remove MINIMAL_TAVE_OUTPUT option ;
853      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
854    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
855      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
856    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
857    o add time-dependent SST, SSS control
858    o cost terms in ecco/ modularized (new cost_generic.F)
859    o cost_averages routines are modularized (new cost_averagesgeneric.F)
860    o new infrastructure for seaice model vs. obs misfits in seaice/
861      * driver from the_main_loop.F is seaice_cost_driver.F
862      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
863      * gradient check in Exp. 6a of natl_box_adjoint/
864    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
865      (see README file)
866    
867    checkpoint57q_post
868    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
869    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
870      - bug was reported by Jean-Michel and Ian Fenty
871    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
872      update exp. cpl_aim+ocn output.
873    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
874      Needed for high-res. runs with large global files
875      to be able to limit tapelev size
876    o Changed some tests for adjoint:
877      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
878      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
879      * global_ocean.90x40x15/ back to default 3-level checkpointing
880    o Modifications to enable scripted COMMON to MODULE conversion
881      * verification/OpenAD/code/ has necessary scripts and description;
882      * converts, compiles and runs successfully;
883    
884    checkpoint57p_post
885    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
886    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
887      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
888    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
889    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
890      (was already the case for dissipation with mom_vecinv,
891       and also the case for grad.PhiHyd when staggered-timeStep)
892      This will allow to put dissipation out-off the AB time-stepping.
893     Unfortunately, affects truncation error. Update output of exp. that "fails"
894      (cg2d matching number) and leave the others for later: front_relax(10),
895      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
896      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
897    
898    checkpoint57o_post
899    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
900      (2) its ready to be documented during the 20050801 DocFest
901    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
902      for ideal_2D_oce and lab_sea on linux_ia32_g77
903    o set to #undef CTRL_SET_OLD_MAXCVARS_30
904      in global1x1_tot/code_seaice_adj to access indices 32, 33
905      (worth another tag)
906    
907    checkpoint57n_post
908    o adding precip control xx_precip 32
909    o adding swflux control xx_swflux 33
910    o Replacing 10 forcing penalty cost routines by 1 generic.
911    o Implementing partitioning in time-mean and variable adjustment
912      for atmos. state.
913    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
914    o in natl_box_adjoint:
915      * updated exp 1 to 10
916        (but does not have time-mean vs. variable split results yet)
917    o updated global1x1/*_seaice_adj/
918      to incorporate latest changes
919    o enable useSingleCpuIO for mdsio vector routines
920      (applies in particular to tapelev I/O)
921    o removed inefficient K-loop in all active_file*control*.F
922    
923    checkpoint57m_post
924    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
925      and advect_cs (use EXCH-2 and standard cs-32 grid files).
926    o pkg/exch2: filling of face-corner halo regions is optional
927      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
928    
929    checkpoint57l_post
930     tag before updating tutorials (pre-release-2)
931    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
932       for output and interpolation of input fields onto model grid)
933    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
934       Affects results of exp. rotating_tank ; update output.txt.
935    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
936          and taking the square quantity and/or using a fraction-weight field.
937    o fix aim_diagnostics_init.F mate numbers.
938    o add mnc output capability to diagnostics/diagstat and update
939      our cvsignore files for the ACSII output generated
940    
941    checkpoint57k_post
942    o lab_sea now uses diagnostics package and provides a suite of
943      new EXF diagnostics output.
944    
945    checkpoint57j_post
946    o exf
947      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
948        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
949        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
950      * extended diagnostics output
951        - now includes all EXF variables
952        - hs, hl moved to common block
953        - separate S/R for diagnostics, called after ctrl vector is added
954        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
955        - EXFqnet contains true Qnet (i.e. includes qsw)
956      * updated verif. lab_sea, global_with_exf
957      * Rearranging hflux (exf_mapfields -> exf_getforcing)
958        to ensure that diagnostics sees a true EXFqnet
959    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
960    o diagnostics pkg: change pointers so that 1 diagnostic can be used
961      several times with different frequencies.
962    o mnc-ify the thsice package as requested by Daniel Enderton
963      - the monitor--MNC output needs work
964      - many attributes need to be added (most are currently blank)
965    o mnc-ify theaim_v23 package as requested by Daniel Enderton
966      - many attributes need to be added (most are currently blank)
967    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
968    o add Sadourny like discretization to the 4th.O vorticity advection scheme
969    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
970      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
971         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
972    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
973     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
974    
975    checkpoint57i_post
976    o Diagnostics package was changed: diagnostic allocation is now deactivated
977      by setting an empty file name in the namelist (used to be by setting 0 frequency)
978    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
979      add 1rst Order upwind vertical Shear.
980    o add a quick fix for A/B checkpointing in OFFLINE mode
981    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
982      end-run around the C/Fortran linking horror in eesup/src/timers.F
983    o added pkg/runclock: allows user to terminate run based on wall clock
984    o added non-hydrostatic scaling parameter: nh_am2
985    o pkg/my82: futile attempt to make results compiler-independent by adding
986      some "_d 0", etc. no effect.
987    o for mnc output, fill the 'T' coordinate var with myTime and create a
988      separate 'iter' variable for iteration count
989    o pkg/diagnostics:
990      add new capability: output of Global/Regional & per-level statistics ;
991      tested against monitor output (including land & thSIce) on various exp.
992    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
993    
994    checkpoint57h_done
995      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
996      data.diagnostics, data.gchem, data.ptracers) is done.
997    
998    o pkg/diagnostics: prepare for Global/Regional statistics.
999      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
1000    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
1001      and rename it: DIFFERENT_MULTIPLE
1002    
1003    checkpoint57h_post
1004    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
1005    o pkg/diagnostics: change output frequency, now in seconds (instead
1006      of Nb of iterations). This requires to change data.diagnostics.
1007    checkpoint57h_pre
1008    
1009    o in mnc, let the user create the output dir if both mnc_outdir_date
1010      and mnc_outdir_num are false
1011    o add fflags() to pkg/diagnostics which allows one to specify, on a
1012      per-file basis, the file precision [default behavior is unchanged]
1013    o added diagnostics to pkg/kpp, including computation of mixed layer
1014      depth based on a temperature/density criterion
1015    o updated verification/natl_box to test the new pkg/kpp diagnostics
1016    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
1017    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
1018    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
1019      not mnc -- this mistake was found by JMC and is now corrected
1020    
1021    checkpoint57g_post
1022    o add Adams-Bashforth 3rd Order time stepping:
1023      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
1024      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
1025    checkpoint57g_pre
1026    
1027    o make lambda[Theta,Salt]ClimRelax spatially varying
1028      (default remains spatially uniform constant based on tau)
1029    o added new control variables
1030      * init. uVel, vVel, etanN
1031      * lambda[Theta,Salt]ClimRelax
1032    o separate masks used for ctrl_pack/unpack 'from write_grid' output
1033      (suggested by G. Forget)
1034    
1035    checkpoint57f_post
1036    o add parameter "baseTime" = model base time = time at iteration zero
1037      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
1038      account for baseTime shift
1039    o move Coriolis arrays from PARAMS.h to GRID.h
1040    checkpoint57f_pre
1041    
1042    o mnc-ifying the seaice package
1043    o introduced an alternative length scale calculation for use in the limiting
1044      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
1045    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
1046    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
1047      as well as grad(vort3).  Made it compatible with both approximate form
1048      for the cubed sphere and full form of these gradients.  Added flag
1049      useFullLeith to select between approximate and full form.  
1050    o add "d0" in getcon.F to reduce differences between compilers/platforms
1051      update output.txt of exp. fizhi-gridalt-hs
1052    o change port_rand funtion to allow to set the seed.
1053    o fix obscure MNC bug involving conversion between reals and integers
1054      - it caused no problems with certain (eg. gcc, ifc) compilers but the
1055        new version is now more standards-compliant
1056    o adjoint-related modifications
1057      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
1058      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
1059      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
1060    
1061    checkpoint57e_post
1062    o Adding eddy stress controls a la Ferreira et al.
1063    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
1064    
1065    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
1066      update output.txt of exp. fizhi-gridalt-hs
1067    o add more "Z" dimensions and associated coordinate vars to MNC
1068    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
1069    o parameter calendarDumps: when set, approximate months (30-31 days) and years
1070      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
1071      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
1072      months and years.  Requires pkg/cal.
1073    o diagnostics: add pickup functionality
1074      - off by default for backwards compatibility
1075      - current version only uses MDSIO -- MNC will be added
1076    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
1077    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
1078    
1079    checkpoint57d_post
1080    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
1081    o modify verification/ideal_2D_oce so that it tests the creation of mnc
1082      output from the diagnostics package
1083    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
1084    o make genmake2 more portable by using ".$FS" instead of ".f" for more
1085      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
1086    o add coordinate variables to the MNC output from the diagnostics package
1087    o change MNC-flags default value: true when useMNC=TRUE
1088    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
1089      the ability (off by default) to read the grid information using MNC
1090    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
1091    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
1092    o do snap-shot diagnostics at the middle of the time-interval (instead of
1093      at the end).
1094    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
1095      new test for AIM with thSIce + slab-ocean
1096    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
1097    o move state variable diagnostics to the beginning of the time step ;
1098      (note: still needs some work specially for snap-shot diagnostics)
1099      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
1100    
1101    checkpoint57c_post
1102    o Change testing option (-ieee) to get closer agreement between g77 & ifort
1103    o generate new output.txt files on faulks with g77 & the new -ieee option
1104    checkpoint57c_pre
1105    
1106    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
1107      update output.txt of exp. global_ocean.90x40x15
1108    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
1109      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
1110    o add saltFlux(+File) forcing capability with periodicExternalForcing
1111    o allow to use pkg diagnostics for GM-Redi & ThSIce output
1112    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
1113    o improvements for the MNC output from DIAGNOSTICS:
1114      - correct handling of the unlimitied dimension
1115      - all dims now have associated coordinate variables
1116      - variables located at U, V, and Corner ("Z") points are now written
1117        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
1118        *all* data points are output
1119    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
1120    o added pkg/seaice/seaice_monitor.F
1121    o mdsio_readfield.F can now read files visible only to master MPI process.
1122    o pkg/seaice: some test code for ice-modified ocean stress
1123    o exf_getffields interpolation defaults to bilinear for all scalar forcing
1124      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
1125      spurious negative numbers for precipitation and humidity.  Will cause
1126      some small numerical differences for integrations using pkg/exf/exf_interp.F.
1127    o pkg/ctrl/
1128      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
1129        May be enabled via doPackDiag
1130      *  introduce z-scaling of
1131         + gradient (doZscalePack) and
1132         + control (doZscaleUnpack)
1133    o pkg/mdsio/
1134      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
1135      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
1136    
1137    checkpoint57b_post
1138    o simplify options in diagnostics_fill arguments (remove weird combinations)
1139    o fix MNC coordinate variables so that they now contain per-face index
1140      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
1141      general, EXCH2 grids are only aligned to a "local" coordinate system
1142    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
1143    o Implement instantaneous output within pkg diagnostics:
1144      setting a negative frequency in data.diagnostics produces
1145     "snap-shot" output (as opposed to time-average if freq > 0)
1146    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
1147      NOTE: change ptracer diagnostics name: use 2 characters to work with
1148            more than 9 tracers. Add also diagnostics of advect & diffus flux.
1149    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
1150      becomes the coordinate variable for the 'T' dimension
1151    o add CF-style coordinate variables to MNC
1152      - just a first cut:  numbers are meaningless on the cubesphere and
1153        missing along the T axis but otherwise it works!
1154    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
1155    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
1156    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
1157      this is based directly on what the model compute, so that the content of
1158      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
1159    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1160    o clean up build options files for SunOS, in particular
1161      - remove -traditional from xmakedepend
1162      - change -xarch=v9 to -xarch=native for f77
1163      - restore use of make (not gmake)
1164      - add CC=gcc if using g77
1165    o changes per discussion of AM, JMC, & EH3 today:
1166      - move redundant "grid" variables out of "state" -- in preparation of
1167        creating proper CF-style coordinate variables and in recognition
1168        that any/all grid variables can be easily copied (eg. w/NCO) from
1169        the grid files into any of the other NetCDF files
1170      - *always* output grid variables with MDSIO (this will eventually be
1171        changed)
1172      - output MNC grid file if useMNC is true
1173    o every instance of _END_MASTER() has been found and replaced with
1174      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1175      preprocessors
1176    o re-arrange diagnostics pkg initialisation:
1177     - allow each package to extend the available diagnostics list
1178     - add some checking and fix small problems (multi-threaded, ...)
1179     - new S/R diagnostics_fill (replace fill_diagnostics):
1180       look through the short list of active diag. (instead of the long list)
1181       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1182    
1183    checkpoint57a_post
1184    o this set of changes restores TAMC compatibility
1185      tested for global_ocean.90x40x15 adjoint on trough
1186      (what a pain)
1187    
1188    checkpoint57a_pre
1189    o some modifs in tools/build_options for sunos
1190    o call ctrl_pack for ctrl at end for optimcycle=0
1191    
1192    checkpoint57
1193    o add horizontal bi-harmonic viscosity for vertical velocity
1194      - new parameter viscA4W (defaults to viscA4)
1195      - affects only non-hydrostatic code
1196      - to be done: no-slip lateral boundary conditions
1197    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1198    o implement Implicit Vertical advection for pTracers
1199    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1200      (implemented also for implicit vertical diffusion & advection)
1201    o OBCS: extend application of tracer open boundary conditions
1202      to a strip beyond the boundary of width Olx/Oly
1203    o add call monitor to TAF set of required calls (flow directives)
1204      and include in natl_box_adjoint
1205    o untangle a few ifdefs related to cost, ctrl, autodiff
1206      untangel a few ALLOW_ECCO_OPTIMIZATION
1207    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1208      (theta2, salt2 in ecco_cost_weights)
1209    
1210    checkpoint56c_post
1211    o OBCS as control variables
1212      - update ctrl_ad_diff.list, obcs_ad_diff.list
1213      - remove balance of obcs controls from default
1214      - fix index bug nobcs in ctrl_init
1215      - fix dummy fields filen in ctrl_pack
1216      - add dummy weights for obcs
1217    o lsopt: comment out fort.94 output
1218    o optim:
1219      - remove unnecessary header files
1220      - adjusted namelists
1221      - add xerbla.F to Makefile
1222    o exf:
1223      - multiple modifications of exf_check_range
1224      - unit change in exf_init_runoff from [m/year] to [m/s]
1225    o mdsio:
1226      - i/o-vector change debugLevel from debLevA to debLevB
1227    
1228    checkpoint56b_post
1229    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1230      is called from DO_THE_MODEL_IO
1231      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1232      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1233      - clean up PTRACERS_WRITE_TIMEAVE a little
1234    o add another verification experiment that tests both the cfc-pkg and
1235      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1236      reactive tendencies treated inline with regular timestepping
1237    o testreport previously did a lousy job of comparing small numbers, so
1238      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1239      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1240      testreport.
1241    o ptracers_monitor: bug fix for MPI
1242    
1243    checkpoint56a_post
1244    o GCHEM: finish reorganizating the package
1245      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1246        (introduces another 3D-array for each passive tracer, but only if
1247        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1248        gchemTendency is not needed because the timestep is done separately)
1249      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1250      - GCHEM is now---more or less cleanly---separate from PTRACERS
1251      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1252        so clear to me how that should be done in a general way.
1253    o CFC: improve formatting of output in CFC_ATMOS
1254    o PTRACERS:
1255      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1256        that ALL experiments with ptracers enable can be checked. This makes
1257        GCHEM_MONITOR obsolete.
1258      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1259        monitorFreq
1260      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1261    o add PTRACERS (PTR0[1-5]) to testreport output
1262    o exf_check_range:
1263      * default changed to .TRUE.
1264      * will check values for niter0 if debLevA, every timestep if debLevB
1265      * STOP in exf_check_range if 'out of range'
1266      * range chosen generous to allow for potential extema
1267      TBD: a version with stricter range
1268           permitted range would be runtime parameters
1269    o GMredi:
1270      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1271      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
1272      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
1273    o GCHEM:
1274      - move call to GCHEM_FORCING_SEP, so that it is now called before
1275        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1276      - introduced a useGCHEM runtime flag and applied it everywhere.
1277      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1278        this flag is now only visible within GCHEM-pkg routines.
1279      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1280        be replaced by a 3D array that is computed before thermodynamics; for
1281        this, the tracer ID iTracer had to be included into the parameter list
1282        of ptracers_forcing
1283      - set up forward_step to call gchem_forcing, that will replace
1284        gchem_forcing_int in ptracers_forcing
1285      - cleaning up
1286    o small cleaning of exch2: remove files that are also in eesupp/src
1287    
1288    checkpoint56
1289    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
1290    o mnc: cleanup "full" files--fixes out-of-memory problem
1291    o ECCO-GODAE
1292      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
1293      * fully merged and updated from SIO code
1294        windstress sign change affects
1295        - exf_inscal_[u/v]stress
1296        - sign of xx_tau[u/v] adjustments
1297        - signs in cost_scat
1298      * ctrl_get_gen: avoid update of tau[u/v] for first few days
1299      * natl_box_adjoint updated and compressed
1300      * 2-level checkpoint switch added
1301        (tested in EXP. 1 of natl_box_adjoint)
1302      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
1303    o SVD
1304      * first complete, non-hacked version for SVD calculations
1305      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
1306        performed via direct access files admtlm_vector.it????
1307        (via ctrl_[un]pack)
1308      * optimcycle is used for ARPACK iteration counter
1309        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
1310      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
1311        and add linear transforms where necessary
1312      * controls are initial/final SST, SSS (can be extended; need to check
1313        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
1314    o mdsio: filename info to both stderr, stdout
1315    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
1316      from sign change
1317    
1318    checkpoint55j_post
1319    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
1320      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1321    o add consistent build directories and .cvsignore files to verification
1322    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
1323    o make all subroutines 30 or less characters in length for certain older
1324      compilers to work (a thorough search only turns up two routines in
1325      pkg/ptracers)
1326    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
1327      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1328    
1329    checkpoint55i_post
1330    o change arrays for total vertical diffusivity (2.D if explicit,
1331      3.D if implicit) ; each ptracer uses its own background value.
1332    o added mnc/NetCDF output capability to ocn_compon_interf
1333      - added bits to verification/cpl_aim+ocn so that it can run on
1334        ITRDA and other clusters without the mpirun "-wd" option
1335    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
1336      configuration
1337    o give MNC the ability to create additional files rather than
1338      exceeding a specified file size limit "MNC_MAX_FILESIZE"
1339      - the default is just less than 2GB which is a practical limit
1340        on many systems
1341    o Compute the non-local term using either KPP vertical diffusivity (=default)
1342       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
1343    
1344    checkpoint55h_post
1345    o add verification test "vermix"
1346    o remove all the *_ioinc flags and replace with the single global
1347      outputTypesInclusive flag
1348    o allow to set a vertical profile of vertical diffusivity for T & S
1349    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
1350    o useMNC moved from data.mnc to data.pkg
1351    
1352    checkpoint55g_post
1353    o Renaming carbon AD experiments to comply with testreport conventions
1354    o Updating adjoint of Held-Suarez hs94.1x64x5
1355    o Fixing directives for non-ECCO forward_step, after ECCO directives
1356      have been fixed to avoid recomp. of do_oceanic_phys
1357      Works well for global_ocean.90x40x15,
1358      but recomp. issue remains for carbon
1359    o Updating adjoint output for natl_box_adjoint after
1360      pkg/ecco has been modified (see taga c55d_post)
1361    
1362    checkpoint55f_post
1363    o rename to timeave_init_fixed
1364    
1365    checkpoint55e_post
1366    o some delicate re-shuffle of store directives to avoid one
1367      extra call of do_oceanic_physics
1368      affects ecco_the_main_loop.F, do_oceanic_physics.F
1369      checkpoint_lev1_directives.h
1370    o NB: this may break global_ocean adjoint temporarily,
1371      but it is clear how to fix it. Will do later, need this now.
1372    
1373    checkpoint55d_post
1374    o ECCO specific cost function terms (up-to-date with 1x1 runs)
1375    o ecco_cost_weights is modified to 1x1 runs
1376    o modifs to allow observations to be read in as
1377      single file or yearly files
1378    o enable to read exf forcing fields as either
1379      single file or yearly files (flag useExfYearlyFields)
1380    checkpoint55d_pre
1381    
1382    o switch between 2-level and 3-level checkpointing
1383    o add ability of MNC to write local and "partial" (eg. 2D slices where
1384      the full 3D field is never actually stored) arrays to NetCDF files
1385      with the correct (that is, the complete multi-dimensional) set of
1386      array indicies
1387      - used in mom_vecinv() to write the diagFreq output
1388      - tested (demonstrated) in verification/aim.5l_cs
1389    o further mnc-ification
1390      - add verification/lab_sea to the list with mnc setups
1391      - fix undefined mnc v-names in cd_code
1392      - add kpp to mnc output (both snapshot and timeave)
1393    o non-hydrostatic code
1394      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1395        in calc_gw.F
1396      - defaults to viscAh
1397      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1398        friction or Leith) in non-hydrostatic mode, as long as there is
1399        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1400    o pkg/cost
1401      extend simple cost functions to treat time mean quantities
1402      (T,U,V) via cost_accumulate_state from cost_tile
1403    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1404        be 2 times larger than the minimum size the advection scheme requires.
1405        now get a perfect conservation of salt in advect_cs test-exp (updated)
1406    o GGL90 (Gaspar's TKE mixed layer)
1407      - add horizontal diffusion of TKE, requires exchanges in
1408        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1409        default. In OPA there is no horizontal diffusion of TKE but the
1410        mixing coefficients are computed from a horizontal average of TKE of
1411        6 points or so. I think that diffusion has a little more physical
1412        justification.
1413      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1414        was in vain)
1415      - mask tke-variable in ggl90_init
1416    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1417    o fix biharmonic diffusion on CS-grid.
1418    o more obcs stuff
1419      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1420        for reading boundary values. This routine is called from
1421        obcs_prescribe_read
1422      - updated obcs_check
1423      - changed sponge layer relaxation parameter units for days to seconds
1424      - turned off sponge layer by default
1425      - changed argument list of OBCS_CALC to myTime+deltaTclock
1426      - fixed about 35 bugs in obcs_external_fields_load
1427    
1428    checkpoint55c_post
1429    o obcs stuff
1430      - new runtime flags useOBCSprescribe, useOBCSbalance
1431      - re-arranged obcs_calc
1432      - moved exf_getobcs to obcs_prescibe_read
1433        obcs_prescibe_read is called after ORLANSKI stuff
1434        and independent of it (executable can contain all).
1435      - updated obcs_check
1436      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1437        These may be necessary only if tangential velocities are
1438        prescribed at OB, not sure, needs testing.
1439    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1440      which simplifies the calls and passes the ifc check-bounds test
1441    
1442    checkpoint55b_post
1443    o add a 2D scalar, Z location, exchange_2 routine.
1444    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1445      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1446      affects advect_cs results (for the wrong reason): update output.txt
1447    o use a more standard discretization for biharmonic viscosity ;
1448     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1449      affects results of dome set-up: update output.txt
1450    o fix gad_advection.F (CubedSphere part), back to version 1.23
1451    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1452    
1453    checkpoint55a_post
1454    o merged code to
1455      * prescribe/read time-dependent open boundaries
1456        (works in conjunction with exf, cal)
1457      * sponge layer code for open boundaries
1458      * each boundary N/S/E/W now has its own CPP option
1459        (healthy for the adjoint)
1460    
1461    checkpoint55
1462    o up-to-date adjoint of previous breaks
1463      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1464      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1465      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1466      - carbon: * remove tr1-related adjoint verification
1467                * add ptracer as control variable
1468    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1469      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1470    
1471    checkpoint54f_post
1472    o in verification/carbin/ remove experiment related to
1473      ALLOW_PASSIVE_TRACER (array tr1 etc)
1474      code_ad/ input_ad/ results_ad
1475    
1476    o add two new packages
1477      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1478        + subject to optimization (memory)
1479      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1480        + subject to reordering (many GOTOs in the original code)
1481        + so far opps is called for every (i,j) point, and then operates in
1482          the vertical; one may want to reorder the scheme in order operate in
1483          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1484          fields)
1485    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1486      - all verification tests compile and run with linux_ia32_g77
1487      - defaults are compatible with current input files--nothing
1488        should change if you were not previously using MNC
1489      - MNC output has been added in numerous places (eg. timeave)
1490        but there are still a few writes not yet do-able with MNC
1491        (this is in progress)
1492      - flags now allow for either/or/both use of MDSIO and MNC and
1493        documentation will soon follow
1494      - numerous small formatting cleanups for ProTeX
1495    o add version info (via BUILD_INFO.h) to MNC and stdout
1496    
1497    checkpoint54e_post
1498    o add two new packages
1499      - pp81 (Packanowski and Philander, 1981), Richardson number and
1500        stratification dependent mixing
1501      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1502      - these scheme operate in a similar manner as KPP (without ghat, of
1503        course), however there is only one diffusivity that is used for both
1504        temperature and salinity (and passive tracers)ç
1505    o add offline package
1506    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1507      provided by Stephanie Dutkiewicz
1508    o genmake2: add ability to search for C compilers and cleanup test output
1509      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1510    
1511    checkpoint54d_post
1512    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1513    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1514      leading to additional shift by 5 days each year of integration
1515       (i.e. leading to considerable offset over the years)
1516    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1517    o start with no AB and no initial filtering (staggerTimeStep):
1518      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1519    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1520      (external loading & cpl import/export stay in forward_step.F)
1521    o update coupling interface to work with new staggerTimeStep
1522    o change MDSIO ptracers_pickup.
1523    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1524    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1525    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1526    
1527    checkpoint54c_post
1528    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1529      this affects (truncation error) output.txt of test-exp:
1530       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1531    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1532    o change Qnet to always be the net heat flux, (+upward).
1533      affects (truncation error) output of natl_box exp.: updated
1534    o define the max number of passive tracers in PTRACERS_SIZE.h
1535    o start to test mnc routinely in exp0
1536    o add sea-ice loading (sIceLoad) as a new forcing field.
1537    
1538    checkpoint54b_post
1539    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1540       impressive on Altix and Opteron systems)
1541    o diagnostics can now write NetCDF files through the mnc package
1542    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1543    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1544    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1545      affects (truncation error) output of lab_sea & natl_box exp.: updated
1546    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1547    
1548    checkpoint54a_post
1549    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1550    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1551    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1552    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1553      + internal_wave (shift in writing cg2d_ini_res)
1554    checkpoint54a_pre
1555    
1556    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1557      - modified verification/lab_sea and natl_box_adjoint accordingly
1558    
1559    checkpoint54
1560    checkpoint53g_post
1561    o prepare splitting of thermodynamics: store convect.counter in common block
1562    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1563      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1564    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1565    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1566    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1567    o restore adjointability
1568    
1569    checkpoint53f_post
1570    o modifications that affect AIM experiment results (update output.txt):
1571      - no advection of S at top interface Nr (pkg/generic_advdiff)
1572      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1573    o AIM pkg:
1574      - include stability function into surf.Flux derivative relative to Tsurf
1575      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1576    
1577    checkpoint53e_post
1578    o merged cylindrical coord configuration
1579    o added rotating_tank experiment
1580    checkpoint53e_pre
1581    
1582    checkpoint53d_post
1583    o faulks upgraded: re-generate output.txt that have changed:
1584       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1585    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1586    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1587    o added Sadourny discretization of Coriolis
1588      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1589      - re-enabled use of omega3 (useAbsVorticity)
1590    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1591      vector-invariant equations
1592      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1593    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1594      hopefully without new bugs
1595      - still to do: biharmonic friction for non-hydrostatic w
1596    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1597    o regenerated output for global_ocean_ebm (using -ieee)
1598    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1599      of mom_common/
1600      - simple re-arrangement of instructions within computing loop
1601    checkpoint53d_pre
1602    
1603    checkpoint53c_post
1604    o new version of coupler for AIM+thSIce and Ocean models
1605     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1606     - land: change Evaporation of snow
1607     - aim with thSIce: fix bug in snow-precip.
1608    o changes to calc_gw.F
1609     - bug fix for w^2 term near the bottom boundary
1610     - (hopefully) improve the lateral slip boundary condtions for use with
1611        partial/looped cells
1612      - because the bug fix changes two verification experiments anyway (exp5
1613        and plume on slope), change the lateral boundary condition from half slip
1614        to the value of no_slip_sides
1615    o ebm package wasnt quite up to the parallel task. Fixed that.
1616    o Adjoint of EBM package + verification
1617      * TLM OK
1618      * ADM not sufficient accuracy yet (needs further testing)
1619    
1620    checkpoint53b_post
1621    o Commiting new energy balance model to repository
1622      * package is pkg/ebm
1623      * verif. is verification/global_ocean_ebm
1624      * references are in ebm_driver.F
1625    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1626    C        Global thermohaline circulation. Part I:
1627    C        Sensitivity to atmospheric moisture transport.
1628    C        J. Climate 12(1), 71-82
1629    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1630    C        Global thermohaline circulation. Part II:
1631    C        Sensitivity with interactive transport.
1632    C        J. Climate 12(1), 83-91
1633    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1634    C        Destabilization of the thermohaline circulation
1635    C        by atmospheric eddy transports.
1636    C        J. Climate 7(12), 1870-1882
1637    o Will need long integration testing.
1638    checkpoint53b_pre
1639    
1640    o created pkg/mom_common in preparation for variable viscosity code
1641    o renamed and split ini_mnc_io
1642    o pkg/land: only liquid water can diffuse or run-off
1643    o AIM using land: soil wetness availability account for snow
1644    o added printMapIncludesZeros to EEPARMS namelist
1645    
1646    checkpoint53a_post
1647    o restore TAMC compatiility for exf_constants.h
1648      (no usage of _d in .h)
1649    o Additional storing in KPP in an attempt to fix
1650      TAMC problem with adjoint of KPP code.
1651      (no success...)
1652      Identical code works fine with TAF.
1653    o Fixed verification/natl_box_adjoint experiments.
1654      Initial conditions for Experiments 4 and 5 are now
1655      set to "SEAICE_initialHEFF=0", which is more reasonable,
1656      and hence gives results closer to that of Experiment 2.
1657      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1658    
1659    checkpoint53
1660    o stable checkpoint with up to date adjoint
1661      TLM tests only run for 1st grdchk at the moment. Its unclear if
1662      this is a code problem or a problem with resetting code for g_
1663      variables that is being autogenerated wrong.
1664      Otherwise:
1665       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1666       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1667         are both still in chaos following their security messes.
1668    
1669    checkpoint52n_post
1670    o various build (mostly genmake2) changes including:
1671      - ability to build/run more easily within Cygwin and MacOS X
1672      - more complicated Makefiles with a stronger dependence on Gnu Make
1673    o pkg/seaice modifications
1674      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1675        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1676        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1677      - changed proxy for geostrophic velocity and updated
1678        verification/lab_sea/results/* accordingly
1679      - removed ADI dynamic solver from pkg/seaice
1680      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1681        they caused a segmentation fault under certain circumstances
1682      - removed unused field WATR
1683    o bug fix in exf-package:
1684      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1685         now reflect that.
1686    o small fixes in the cal-package:
1687      - set reference date to first of January for the 'model'-calendar
1688      - failing of cal_CheckDate in cal_FullDate now actually results in a
1689        warning
1690    o small modifications in exf-package to increase flexibility:
1691      - change climtempfreeze from a constant to a runtime parameter that
1692        is specified in data.exf_clim (default = -1.9)
1693      - introduce runtime parameter windstressmax (default = 2.0) that is
1694        specified in data.exf
1695    o fix in pkg/thsice:
1696      - update Evap (Tsf changes) to be consistent with Latent heat flux
1697      - maintain snow precipitation unchanged (even if Tsf >=0).
1698     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1699    
1700    checkpoint52m_post
1701    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1702      this does not change any of the results, because myIter=0 in swfrac always
1703      lead to jwtype=2 (the default anyway), but the call makes little sense
1704      as a default
1705    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1706    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1707      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1708    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1709    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1710    o extending useSingleCpuIO option to work with new exch2 I/O format
1711      - old-style, missing-tile I/O is still accessible by defining CPP
1712        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1713    o monitor package can write to NetCDF files and/or STDOUT
1714    o fix re-definition bug in MNC_GRID_INIT_ALL()
1715    o doc/api_reference added
1716      - a framework for building an API Reference Manual using all
1717        the "protex" comments embedded in the code
1718      - see pkg/generic_advdiff, pkg/mnc for examples
1719    o MNC:
1720      - make myThid the last argument for all subroutines
1721      - new default for the grid files: NO halos
1722      - add useMNC and other run-time flags
1723      - separate per-file-group handling of the unlimited dimension
1724      - early initialization of MNC w/ flags read at the eeboot stage
1725        and lookup tables set in initialize_fixed
1726      - write all MNC output to a freshly-created directory
1727    o thermodynamics sea-ice (thsice) is now tested with testreport.
1728    o test exp. advect_cs: use the standard cs32 grid ; update output.
1729    o Added functionality to grdchk:
1730      pick global i,j,k position (or nearest wet) where to perform check.
1731    
1732    checkpoint52l_post
1733    o new land formulation:
1734      a) use ground enthalpy as prognostic variable to ensure exact
1735         energy conservation.
1736      b) account for water temperature and for latent heat of freezing
1737         in all processes (rain, run-off, ground storage)
1738      c) compute surface and ground temperature implicitly.
1739    o aim_v23 modification for new land model:
1740      a) Treat separately land / ocean / sea-ice surface fluxes
1741         to allow implicit computation of land & sea-ice surface temp.
1742      b) add snow precipitation.
1743    checkpoint52l_pre
1744    
1745    o fix problem (when 1 tile is empty) in min/max monitor.
1746    o fix bug in timeAve (u,vZetatave in common block)
1747    o no restoring terms under ice for pkg/seaice
1748    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1749    o bug fix for pkg/seaice pickups
1750    o change MNC call locations and add coordinate attributes
1751    o mask vorticity at the corner ; affects global_ocean.cs output
1752    o fix ini_curvilinear_grid ; test CS experiments with mpi
1753    o aim.5l_cs: modify sea-ice fraction input file ; update output
1754    o exf: Adding simple range check routine for exf fields after read
1755    
1756    checkpoint52k_post
1757    o removed top-level directory "diags"
1758      - we migrated these functions to pkg/timeave a long time ago
1759    o fixed bug introduced in pkg/monitor
1760    o accuracy ctrlprec = 32 insuffient for gradient checks using
1761      averaged fields (I/O via cost_averages)
1762      -> use ctrl.h in active_file*.F to control I/O precision.
1763    o paramter list of CALL ADTHE_MAIN_LOOP
1764    o added initial do_the_model_io to ecco
1765    o set all ...Freq to zero after cost_final
1766      taveFreq, dumpFreq, pChkptFreq
1767    o MAIN and ECCO differentiability restored
1768    
1769    checkpoint52j_post
1770    o fix nchklev in tamc.h for global_ocean...
1771    o Bringing flow and store directives up-to-date
1772    o Really weird thing!
1773      call do_the_model_io from the_main_loop with parameters
1774      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1775      TAF places a faulty re-call of initialise_varia
1776      after cost_final call which should not be there!
1777    checkpoint52j_pre
1778    
1779    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1780      error messages
1781    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1782    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1783      debug output
1784    o modfied mdsio_writefield.F to handle non-global files under exch2
1785    o update AIM Cubed-Sphere exp (aim.5l_cs):
1786      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1787    o update AIM Equatorial Channel exp:
1788      use standard aim_v23 pkg and change the SST fields to be more realistic.
1789    o globalFile now works with exch2
1790    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1791      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1792    o limit timeave output for hi-res integrations
1793    
1794    checkpoint52i_post
1795    o removed CPP_EEOPTIONS.h from verification/*/code
1796    o updated the tiling for global_ocean_pressure
1797    checkpoint52i_pre
1798    
1799    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1800      the old pkg/aim).
1801    
1802    checkpoint52h_pre
1803    o shortened offending lines in exch2_send_rx?.template
1804    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1805    o genmake2: add build & execute test for NetCDF code
1806    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1807      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1808    o added useSingleCPUIO flag to monitor.F and mon_out.F
1809    o added temporary hack for sea-ice dynamics on the cube:
1810      metric terms are ignored and it is assumed that
1811      there is no sea-ice on cube faces 1, 2, 4, and 5.
1812    
1813    checkpoint52f_post
1814    o added exch2 cube routines to pkg/exch2
1815    o modified hs94.cs-32x32x5 to use it
1816    o added new grid files to hs94.cs-32x32x5
1817    checkpoint52f_pre
1818    
1819    checkpoint52e_post
1820    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1821      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1822    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1823      to work with implicit vertical advection and AB ;
1824    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1825    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1826     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1827    checkpoint52e_pre
1828    
1829    o fix bug in impldiff when Nr=1 or Nr=2.
1830    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1831    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1832    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1833      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1834    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1835    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1836    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1837    
1838    checkpoint52d_post
1839    o re-tiled many expts to allow comparison in multi-processor mode
1840      - updated output accordingly
1841      - changed hs94.128x64x5 to use intial T from file rather than use the
1842        random number generator
1843    o add infrastructure in model routines for fizhi and gridalt packages
1844    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1845    o changes to permit hi-res, cubed-sphere, configuration
1846      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1847      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1848      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1849        of surface winds for the cube
1850      (A verification experiment, based on global_ocean.cs32x15, but with
1851       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1852       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1853       complete with example surface forcing files and matlab scripts to look
1854       at the output and compare it with that of global_ocean.cs32x15.)
1855    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1856       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1857       to conform to the common rule.
1858    o check-in the first version of the coupler + interfaces for multi-components
1859       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1860       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1861       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1862       - ocean and atmos. share the same horizontal grid (no interpolation).
1863       - exchanges between component and coupler is done in forward_step
1864    o new verification experiment, cpl_aim+ocn:
1865       coupled ocean - AIM atmosphere on cs32 grid.
1866    
1867    checkpoint52d_pre
1868    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1869    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1870    
1871    checkpoint52c_post
1872    o Fixing OPTIONS files for use of exf:
1873      - ALLOW_ECCO not needed
1874      - ECCO_CPPOPTIONS.h should not be included from
1875        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1876        as has been the case in the past
1877      - All cal/exf related options are currently set in
1878        single header file. Should remain so until we
1879        agree on a consistent new policy.
1880    o Removed all CPP options for cal package.
1881      cal has no more CPP options.
1882    o modified STOREs in GAD_ADVECTION
1883    o corrected key comp. for passkey
1884    
1885    checkpoint52b_post
1886    o new version: "thsice" of thermodynamic sea-ice pkg:
1887     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1888     - modify fluxes but do not change theta directly;
1889     - light cleaning of bulk_force pkg (still needed with thsice).
1890     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1891       + output_thsice.txt to test thsice & bulk_force pkgs.
1892    o put back grid & coriolis monitor output.
1893    checkpoint52b_pre
1894    
1895    o call "do_the_model_io" at the beginning (=> dump initial state)
1896    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1897    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1898      (need info on NUMBER_OF_PTRACERS)
1899    o missing PTRACERS headers in some routines
1900    o default tamc.h in pkg/autodiff supposed to crash
1901      to ensure proper customization
1902    
1903    checkpoint52a_post
1904    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1905      - moved surfaceTendencyTice from pkg/seaice to main code
1906      - subroutine FREEZE_SURFACE now limits only surface temperature
1907        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1908        => new output.txt for global_ocean.cs32x15 & global_with_exf
1909      - keep the old version of FREEZE for backward compatibility;
1910        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1911      - corresponding modifs for TAF directives
1912    o added surface flux output variables to TIMEAVE_STATVARS
1913    o time-averaged output for pkg/ptracers
1914    o fix problem with ECCO-related divided adjoint
1915      snapshot file was missing some ad-variables,
1916      but no warning issued by TAF
1917    
1918    checkpoint52a_pre
1919    o some bug fixes for #undef REAL4_IS_SLOW
1920    
1921    checkpoint52 = ecco_c52_e35
1922    o after testing adjoints of checkpoint51u_post
1923    
1924    checkpoint51u_post
1925    o this is the post-merge tag of the ecco-branch
1926      (needs another clean checkout and re-testing)
1927    o various natl_box_adjoint configs and results
1928      but no input fields
1929    o obcs adjoint not yet merged!
1930    o adding ECCO global 1x1 and 2x2 degree configs
1931    o updated/extended some store directives for seaice
1932    o pkg/ecco now containes ecco-specific part of cost function
1933    o top level routines the_main_loop, forward_step
1934      supersede those in model/src/
1935      previous input data.cost now in data.ecco
1936      (new namelist ecco_cost_nml)
1937    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1938    
1939    checkpoint51t_post
1940    o this is the pre-merge tag of the ecco-branch
1941    
1942    checkpoint51s_post
1943    o cleanup: removed various obsolete #define-s
1944    o pkg/grdchk
1945      - renamed 'ph-grd 3' to 'grad-res'
1946      - merged from ecco-branch
1947        (remaining bug fixes for obcs gradient checks)
1948      - additional high-precision output for testreport
1949        (grep for 'precision_grdchk_result')
1950    
1951    checkpoint51r_post
1952    o cleaned up or removed CPP_OPTIONS.h files
1953    o updated results for some of the tests to reflect the new
1954      optfiles (-ieee: -O0 instead of -O3)
1955    
1956    checkpoint51q_post
1957    o cd_code:
1958      - moved cd_scheme.F -> cd_code_scheme.F
1959      - separate read_checkpoint from cd_code_ini_vars.F
1960      - separated cd_code part from write_checkpoint
1961      - updated AD_SOURCE, generated .flow
1962      - added CD_CODE_VARS.h to the_main_loop
1963      - Moving cd_code specific store dir.s to pkg/cd_code
1964    o ctrl package totally restructured
1965      - pack/unpack now optional and decoupled from
1966        xx_/adxx_ I/O
1967      - ctrl_pack/unpack cleaned
1968        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1969      - confined inclusion of AD_CONFIG.h to where necessary.
1970    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1971    
1972    checkpoint51p_post
1973    o create initial cd_code package
1974      - WARNING: the initialization of fields within packages
1975        is broken because INI_FIELDS (where READ_CHECKPOINT is
1976        called) is called *before* PACKAGES_INIT_VARIABLES.
1977        This seems to be backwards since
1978        1) its important to initially zero the entire field including
1979           the "halo" region
1980        2) zeroing needs to be done *before* reading pickup info
1981           and the pickup call might or might not happen in any
1982           particular run
1983      - this needs an overhaul for R2
1984    o cleanup verification/*/code/GMREDI_OPTIONS.h
1985    o cleanup testreport
1986    
1987    checkpoint51o_post
1988    o bringing AD-related verif's up to date with genmake2
1989      - carbon/
1990      - global_ocean.90x40x15/
1991      - hs.94.1x64x5/
1992      - (front_relax/ )
1993    o (more) consistent directory structure for AD-related verif.'s
1994    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1995    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1996    o bug fix in find_alpha.F for MDJWF:
1997      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1998        change rho -> rho-rhoConst
1999      - replace call find_rho to find_rhonum
2000    o initialisation of rFlx extended to full array (required by TAF)
2001      and shifted to thermodynamics
2002    o removed PTRACERS.h in ptracers routine
2003    o added surfacetendencyPtr to S/R parameter list pracers_forcing
2004    o Correcting initialisations for fVerU, fVerV.
2005    o helping TAF to recognize dependency on kUp for
2006      fVerU, fVerV
2007    o Replacing delZ by delR in pkg/ctrl/
2008    checkpoint51o_pre
2009    
2010    o undid all of cp51 pending some cleanups and discussion
2011    o added the [#include "AD_CONFIG.h"] statement to all files that need
2012       it for adjoint/tl #defines
2013     o re-worked the build logic in genmake2 to support AD_CONFIG.h
2014     o removed tools/genmake since it no longer works
2015    
2016    checkpoint51n_post
2017    o modifications to make FREEZE flux visible to pkg/kpp
2018      - moved surfaceTendencyTice from pkg/seaice to main code
2019      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
2020      - subroutine FREEZE now limits only surface temperature
2021        (this means new output.txt for global_ocean.90x40x15,
2022         global_ocean.cs32x15, and global_with_exf)
2023    o added surface flux output variables to TIMEAVE_STATVARS
2024    
2025    checkpoint51n_pre
2026    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
2027    o added [#include "AD_CONFIG.h"] to all files that use the following
2028      defines:
2029      - ALLOW_ADJOINT_RUN
2030      - ALLOW_TANGENTLINEAR_RUN
2031      - ALLOW_ECCO_OPTIMIZATION
2032    
2033    checkpoint51m_post
2034    o incorporating changes to get TAMC/TAF working in genmake2
2035      - added new TAMC/TAF targets to the Makefile
2036      - various cleanups related to package handling
2037      - these changes should have no impact on the forward model
2038    
2039    checkpoint51l_post
2040    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
2041     - faster algorithm for cal_addtime.F
2042     - higher precision arithmetic, where needed
2043     - pkg/exf *startdate variables changed from calendar date to
2044       model integration time
2045    
2046    checkpoint51l_pre
2047    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
2048    o enable to apply restoring on S & T only in a latitude band.
2049    o update output (external_forcing_surf modif. change truncation errors)
2050       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
2051    
2052    checkpoint51k_post
2053    o change default to: useNHMTerms=.FALSE.
2054     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
2055       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
2056     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
2057        exp1, ideal_2D_oce
2058     - change data file of oceanic exp (leave the results unchanged for now)
2059       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
2060    o set gravitySign automatically according to the vertical coordinate used
2061      (and change sign: back to "logical" value: +1 when R increases downward)
2062    o added an include barrier to the default CPP_OPTIONS.h and
2063      removed the #include "PACKAGES_CONFIG.h" from it
2064    o fix a bug in mom_fluxform (from chk51j_post)
2065    
2066    checkpoint51j_post
2067    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
2068    o adjusted some flow directives (dynamics, thermodynamics)
2069    o added cubed-sphere case to test cost function
2070    o heckpoint_lev?_directives.h now include
2071      pkg-specific directives, whenever those are enabled.
2072    o Moving pkg-specific flow directives to corresponding pkg
2073      Moving pkg-specific differentiation list to corresponding pkg
2074      Moving pkg-specific checkpoint-lev storing to corresponding pkg
2075      ---> conventions are
2076           - pkg_ad.flow
2077           - pkg_ad_diff.list
2078           - pkg_ad_check_lev?_dir.h
2079    
2080    checkpoint51i_post
2081    o merge of the branch-genmake2
2082      - knowingly breaks the older genmake
2083      - automatic generation of all ALLOW_${PKG_NAME} defines
2084      - new testreport supersedes older testscript
2085    o large number of package inclusion and header cleanups
2086    checkpoint51i_pre
2087    
2088    o new output for adjoin of global ocean vector invariant
2089    o fix for checkpoint of thermodynamic seaice and bulk_force
2090    o Steph gchem various cleanups
2091    
2092    checkpoint 51h_pre
2093    o fixed some single quotes
2094    o modify gchem pkg to be more versatile
2095    o modifications to clean up dic pkg
2096    o add pkg/cfc
2097    
2098    checkpoint51g_post
2099    o provide links for ARPACK and ADM*TLM
2100    o start removing verification/vero/
2101    o update AD-related stuff
2102      (in particular some IF-statements in model/src/ routines)
2103    o adding to verification/global_ocean.90x40x15/ adjoint of
2104      vector invariant setup
2105    
2106    checkpoint51f_post
2107    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
2108    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
2109      of tracer Green's fucntions for ocean inversion project.
2110    
2111    checkpoint51f_pre
2112    o Added on-the-fly spatial interpolation capability
2113        "USE_EXF_INTERPOLATION" to pkg/exf.
2114      - This is a temporary Cartesian-grid hack until
2115        the super-duper ESMF coupler becomes available.
2116      - See verification/global_with_exf/README for usage example.
2117      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
2118        flags and modified pkg/seaice accordingly.
2119    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
2120        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
2121        non-local transport term.
2122    
2123    checkpoint51e_post
2124    o pkg/mom_vecinv:
2125      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
2126      - add time-ave diagnostic of vorticity advection.
2127    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
2128    o atmospheric geopotential: - include water vapor effect;
2129                                - use p^kappa in p* scaling.
2130    o land pkg: read initial state from files.
2131    o AIM : add stratospheric drag in the upper level
2132    
2133    checkpoint51d_post
2134    o change function ILNBLNK (=> last non-blank char.) to return zero
2135      (instead of the string length) when the string. char is empty
2136    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
2137    o modif's to restore TAMC compatibility
2138      - avoid "_d" constructs in PARAMETER declarations
2139      - avoid interrupting lines by comment lines
2140    o Use cluster local disks for purely local I/O
2141      vs. globally visible disks needed for ctrl stuff
2142      (merged from ecco-branch)
2143      - new active_file_loc... and mdsio_..._loc routines
2144      - affected packages: autodiff, ctrl, grdchk, mdsio
2145    
2146    checkpoint51c_post
2147    o introducing integer flag debugLevel
2148      - debLevZero: suppress all output
2149      - debLevA: standard
2150      - debLevB: equivalent to current debugMode=.TRUE.
2151    o introducing pathname variable mdsioLocalDir for mdsio
2152      that can be specified at runtime
2153      (relevant for cluster I/O to local disk)
2154    `
2155    >>>checkpoint51b_post
2156    adjoint of ptracers
2157    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
2158    o extended state in checkpoint_lev?, etc.
2159    o alternative ctrl/cost with tr1 or ptracer
2160    o new comlev1_bibj_ptracers
2161    o new ptracers.flow
2162    o made ptracers_forcing same as external_forcing_s
2163    o added verification for adjoint with ptracers
2164      - adm. grdchk fail so far
2165      - tlm. grdchk OK
2166      - checked tapelev/comlev recomputations: OK
2167    <<<checkpoint51b_pre
2168    
2169    checkpoint51a_post
2170    o added code for biogeochemistry package
2171      - new pkgs: dic, gchem
2172      - new subroutine in ptracers
2173    o modify code for biogeo packages
2174      - in model/src and pkg/ptracers
2175    
2176    checkpoint51
2177    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
2178      - autodiff, ctrl, exf, grdchk, seaice
2179      kept separate packages
2180      - cost, ecco, obcs
2181    o updating verification/internal_wave, verification/lab_sea
2182      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
2183    
2184    checkpoint50i_post
2185    o Preparing next differentiable checkpoint and sync
2186      of MAIN vs. ecco-branch
2187      - 1st step: this one is differentiable
2188      - 2nd step: next(! not this) checkpoint will have updated packages
2189                  from ecco-branch)
2190    
2191    checkpoint50h_post
2192    o new package "land": provide surface BC for AIM.
2193    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
2194    o AIM: use true log-P extrapolation for near surface temp (= as in
2195        F.Molteni paper) ; update aim.5l_cs output.
2196    o New variable in PARM03 for more flexible pickups
2197    o somewhat cleaned package initialisation sequence for
2198      ctrl/ cost/ ecco/ in packages_... routines
2199    
2200    checkpoint50g_post
2201    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
2202      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
2203      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
2204        made the default because of faster convergence than ADI
2205    
2206    checkpoint50f_post
2207    o exf totally restructured
2208      - replaced all exf_set_ routines by one generic exf_set_gen.F
2209        and made sure it's still differentiable
2210      - split exf_getffields.F into new exf_bulkformulae.F
2211      - exf_inscal_/exf_outscal_ suffixes consistent with field names
2212      - updated adjoint/makefile and relevant verif. accordingly
2213    
2214  checkpoint50f_pre  checkpoint50f_pre
2215   o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;   o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
2216        + change Evap over land. (update aim.5l_cs output)        + change Evap over land. (update aim.5l_cs output)

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