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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.809 by jmc, Fri May 4 21:51:31 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  o pkg/thsice:
8  o moved ptracer ctrl index 17 -> 32   fix few little problems, in thsice_calc_thickn.F:
9      - growth vertically (and not laterally) if iceFrac == iceMaskMax
10      - melt laterally only if hIce < hThinIce (as the comments say)
11      and in thsice_extend.F:
12      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
13      - start to form ice as soon as the minimum ice-volume is reachable.
14     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
15      and cpl_aim+ocn
16    o pkg/kpp
17     - move computation of surface related input fields to KPP into a new
18       subroutine kpp_forcing_surf.F
19     - remove wrong (within bi,bj loops) EXCH calls.
20     - little cleaning (add argument myThid in last position, cvs header ...)
21     - for now, fix conservation problem by exchanging KPPviscAz (may not
22       be the best fix)
23    o pkg/seaice
24     - check for inconsistent evp parameter/cpp-flag combination
25     - remove leftover errIO flat for obsolete name list error handling
26    
27    checkpoint59a
28    o pkg/seaice: some parameter clarifications and a little bit of clean up
29    o pkg/thsice: rename run-time parameters:
30       himin       -> hIceMin
31       himin0      -> hThinIce
32       hihig       -> hThickIce
33       i0          -> i0swFrac
34       transCoef   -> bMeltCoef
35       frac_energy -> fracMelting
36      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
37       with default values (for now) that do not change the results.
38      remove old version of thsice vars advection in pkg/seaice.
39    o in FFIELDS.h:
40      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
41      - make pLoad & sIceLoad always available (but still only used if
42         ATMOSPHERIC_LOADING is #define).
43    o pkg/kpp: replaced _KPP_RL with _RL
44    o bug fixes for vertical diffusivity computations when both KPP and
45        3D diffusivity arrays are used.
46    o pkg/seaice: fix bug in evp solver, while doing that
47      - change (improve?) discretization of stress computations for both
48        cgrid-lsr and evp solver
49      - add a new routine to compute strain rates
50      - the above changes lab_sea results
51      - add no slip conditions for evp solver (off by default), lsr-version
52        may follow
53      - fix exchange for shear at Z-points (does not change lab_sea)
54      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
55        (to force the user to pick a time step since there is not "safe" way
56        of choosing it)
57      - add principal stress diagnostics
58      - rearrange fields for evp a little to avoid having to call a: too many
59        exchanges and b: exchanges for stress trensor components which we do
60        not have.
61      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
62        of evp, complete rewrite for lsr case (latter is does not yet work
63        in all cases)
64    o pkg/kpp: add code to have mixing in shelf ice caverns
65      - add myThid to all kpp routines (long overdue)
66    
67    checkpoint59
68    o pkg/exf:
69      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
70        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
71      - move exf header files from lower_case.h to UPPER_CASE.h ;
72        add missing cvs Header & Name
73      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
74      - add namelist param. selectStressGridPosition, exf_monFreq
75      - retire many _CLIM routines, and remove data.exf_clim
76        + params moved to data.exf
77        + climsst, climsss now handled by exf_set_gen, i.e.
78          climss?period=0 refers to constant field,
79          climss?period=-12 to monthly forcing
80      - split up namelists in data.exf
81    o pkg/seaice:
82      - remove seaice_exch and seaice_exch_uv
83      - remove superfluous exchange of theta
84      - add myThid to seaice_budget_ocean/ice
85      - add new interface for atmospheric wind forcing (C-grid only)
86        + new routine
87        + two new field (taux, tauy for stress over ice)
88        + removed one global field (DAIRN) for C-grid case only
89    o pkg/thsise
90      - 2nd set of modifs for thsice adjoint in conjunction with exf
91    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
92    
93    checkpoint58y_post
94    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
95      vertical diffusivity, similar to that in MOM4; turned on using
96      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
97      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
98    o Added capability for 3D specification of background vertical diffusion
99      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
100      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
101      "data" file that contains the 3D vertical diffusivity coefficients.
102    o ice dynamics (pkg/seaice) with thsice thermodynamics:
103      - add code within pkg thsice to advect & diffuse sea-ice fields
104      similar to (and will replace) what has been added in  seaice_advdiff.F,
105      but: - conserving Mass, Heat & Salt.
106           - better when using non-linear advection scheme (not yet fully tested)
107           - can also be used in atmospheric set-up (for now, only the diffusion).
108    
109    checkpoint58x_post
110    o IO option for global-file compact format:
111      - add options when generating topology (utils/exch2/matlab-topology-generator)
112      - add I/O capability (pkg/mdsio).
113      - adapt utils/matlab/rdmds.m to read this format.
114      for now long-line format not yet supported by pkg/mdsio (& exch2).
115    o shelfice: add a few diagnostics
116    
117    checkpoint58w_post
118    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
119      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
120      (and replace horiVertRatio in NH code).
121      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
122                         and tutorial_plume_on_slope (sensitive to truncation)
123    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
124      directly to drive seaice model (C-grid only)
125    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
126     - reintroduce computation of wind from stress,
127     - compute tau (in exf_bulkformulae.F) from windstress averaged to
128       mass points to avoid tau = 0
129     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
130    o rdmnc.m: make it work with "global" files created with gluemnc
131    o rdmnc.m : some improvements in dealing with singleton dimension
132      (tested on all testreport mnc output files).
133    o genmake2: disable pkg/profiles if netcdf test fails.
134    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
135    o move call to cal_readparms up to make calendar parameters/variable available
136      to all packages
137    
138    checkpoint58v_post
139    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
140      useDynP_inEos_Zc tested.
141    o pkg/exf: changes to properly interpolate/mask/scale initial fields
142    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
143      and portions thereof.  See read_cs.txt for description and examples.
144    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
145      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
146      following the great-circle arc between those 2 points.
147    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
148      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
149    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
150     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
151     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
152     - still needs work (not working with some options ; efficiency to improve)
153       and serious testing.
154     - use this scheme for temperature & salinity in 2 advection test exp.:
155       advect_xy & advect_xz, respectively.
156    
157    checkpoint58u_post
158    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
159    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
160    o testreport: add option "-skipdir" to skip some test.
161    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
162      momentum calculation.
163    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
164    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
165      remove checkpoint.F and the_correction_step.F (no longer used);
166      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
167    o add option (linFSConserveTr) to correct for tracer source/sink due to
168      Linear Free surface
169    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
170    o pkg/thsice: fix reading mnc-pickups
171    
172    checkpoint58t_post
173    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
174    o pkg/mdsio:
175     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
176       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
177       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
178     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
179     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
180       either MDS_READ_FIELD or MDS_WRITE_FIELD )
181     - new S/R (to replace MDSWRITEMETA), which allows to write more
182       informations (variable names, time ...) to meta files.
183     - modify rdmds.m to give back the meta file content.
184    o pkg/diagnostics: change vertical interpolation to be safer, and more
185       flexible (define p-levels to interpolate to in data.diagnostics);
186      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
187       diagnostic pointer.
188    o pkg/seaice: more cleaning up of seaice_growth, added many comments
189    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
190    o fix multi-category seaice:
191     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
192       SEAICE_MULTICATEGORY
193     - fix short wave heat flux
194    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
195       and allow to use EVP solver. Change forward lab_sea: test both EVP
196       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
197    o Initial check-in of lab_sea adjoint
198      (very similar to natl_box_adjoint/code_seaice)
199      * used C-grid and EVP solver
200      * used KPP, GM/Redi
201      * uses inAdExact=.TRUE.
202      * gradient checks fail for both ADM and TLM
203        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
204        f.d. gradients actually seem more problematic than ADM, TLM gradients;
205        issue is related to forward mismatch between g77 an ifort
206    o pkg/seaice: overhaul of thermodynamics
207     - growth.F and groatb.F are replaced by new routine seaice_growth.F
208     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
209     - move a few global fields out of SEAICE.h into seaice_growth.F and
210       make them 2D (FICE/QNETO/ ...)
211     - remove FO (it is the same as QNETO)
212     - introduce a few local fields to avoid modifying external fields such
213       as atemp, etc.
214    
215    checkpoint58s_post
216    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
217      changed exf_set_gen.F so that
218        genperiod=0 means input file is one time-constant field and
219        genperiod=-12 means input file contains 12 monthly means
220    o CG2D: use pre-computed solver main-diagonal (stored in common block);
221      this affects truncation error ; generate new output file for exp. which
222      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
223        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
224        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
225        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
226        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
227        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
228    o start implementation of deep-atmosphere and anelastic formulation
229    o verification: remove 2nd copy of input files and use script "prepare_run"
230      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
231    o mom_common/vecinv/fluxform: fix a few initialisation isssues
232    o profiles: fix for multithreaded case
233    
234    o diagnostics: rename few diags:
235      s/'PRESSURE'/'RCENTER '/g
236      s/'TICE    '/'oceFreez'/g
237      s/'TAUX    '/'oceTAUX '/g
238      s/'TAUY    '/'oceTAUY '/g
239      s/'SWFLUX  '/'oceQsw  '/g
240      s/DIFx/DFxE/g
241      s/DIFy/DFyE/g
242      and add few ocean-forcing diagnostics:
243      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
244    o modifications to pkg/seaice/growth.F and budget.F, which change results of
245      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
246      as actual snow thickness.  It now refers everywhere to effective snow
247      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
248    
249    checkpoint58r_post
250    o modifications to pkg/seaice/growth.F, which change results of
251      lab_sea experiment: fixes pertain to melting snow over open water, to
252      masking EVAP under sea ice, and to using the correct AREA variable for
253      computations of EVAP, PRECIP, HSNOW, and GHEFF
254    o add ability to read bathy, salt, and theta using MNC (off by def)
255    o add flooding algorithm and advection of HSNOW for pkg/seaice;
256      both are turned off by default and do no change any results
257    o seaice advection with pkg/thsice: a step toward the use of non-linear
258      advection scheme, but #ifdef or commented out for now (requires more EXCH).
259    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
260      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
261      in natl_box (affects results @ truncation level: update output.txt)
262    o multi-threading and IO:
263      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
264      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
265        (needed to work with SingleCpuIO): tested in all verif. exp.
266    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
267      affects the results (but none of the verification test uses this scheme).
268    o Adding some pkg/diagnostics capability to pkg/seaice
269      (will certainly be subject to changes)
270    o ctrl: adding new control variables:
271      lwflux, lwdown, evap, snowprecip, apressure, runoff
272    
273    checkpoint58q_post
274    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
275      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
276      high_res_cube configuration by 4% on Columbia.
277    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
278      add (in global_with_exf/code) a version of EXF_INTERP_READ without
279      dynamical allocation (seems to work in multi-threaded).
280    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
281      single CPU io) so that TAF does not have to see EESUPPORT.h
282    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
283    
284    checkpoint58p_post
285    o obcs: stop if obcs is used with useCDscheme = .true.
286    o shelfice:
287     - fix a sign error so that no slip at shelfice interface works
288     - remove stop for combination non-hydrostatic code and shelfice. That does
289       not mean, that the results are correct, but at least they are numerically
290       stable
291    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
292    o added adjoint exch routined for all exch*3d* routines
293      and updated flow directives
294    
295    checkpoint58o_post
296    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
297      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
298    o change controling S/R for writing pickup file (new S/R do_write_pickup)
299      and clean-up reading/writing of pickup files.
300    o fix local version of read/write pickup (NH part) in rotating_tank/code
301    o simplify EXCH interface:
302     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
303     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
304    o added the regrid package
305    o shelfice:
306     - add a simple boundary layer scheme to reduce noise
307     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
308    
309    checkpoint58n_post
310    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
311       local variable (not in common block).
312    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
313      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
314      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
315        to work with SingleCpuIO.
316    o add "_d 0" to real constant of pkg/cfc subroutines ;
317       update exp. cfc_exemple & tutorial_cfc_offline output files.
318    o multi-threading and IO:
319      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
320        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
321      - barrier before and after reading.
322      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
323      - avoid using MDS_WRITELOCAL for LAND pkg output.
324      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
325        common-block variables ; Allows multi-threading with master-thread IO.
326    o change default MAX_NO_THREADS from 32 to 4 ;
327      and stop cleanly when MAX_NO_THREADS is too small.
328    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
329    
330    checkpoint58m_post
331    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
332       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
333    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
334       keep global_ocean.90x40x15 (for AD testing) with former secondary test
335       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
336    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
337        add MITgcm_tutorials (= code + all the tutorials)
338    o ecco, option to compute cost for total ssh (mean+anom)
339    o consistent with addition of ptracer and ssh in pkg/profiles
340    o profiles: adding ptracer and ssh
341    o testreport: change multi-test output-file name
342      (from output.txt.{name} to output.{name}.txt)
343    o profiles: now ok for mutli-tiles case
344    o seaice: add 4 parameters for different advection schemes for area,
345      (effective) seaice thickness, enthalphy, and snow height. Their default
346      is the standard parameter SEAICEadvScheme
347    o calc_gw:
348     - add cosFacU in zonal viscous flux (harmonic.visc.).
349     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
350       of tutorial_plume_on_slope.
351    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
352    o calc_gw: true flux-form, account for horizontal grid spacing.
353      update rotating_tank results, but not plume_on_slope (affected at
354      truncation level, 11 digits).
355    
356    checkpoint58l_post
357    o calc_gw:
358     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
359     - remove side-drag for now (need to fix it); update plume_on_slope results.
360     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
361    o commit code to make SST/SSS weights spatially variable
362      (based on either variable in-situ or variable initial T/S weights)
363    o pkg/ecco:
364      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
365        now based on horizontally varying weights wthetaLev, wsaltLev
366      * cost_averagesflags now returns year indices in addition to day, month
367      * sflux balance is performed on annual basis
368        (sflxumm, sfluxmm2, bal_sfluxmm)
369      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
370        including separate counting and multipliers
371    o pkg/rbcs
372      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
373    
374    checkpoint58k_post
375    o testreport:
376     - always build in dir. "build" (if not there, mkdir build instead of building
377       & running in input)
378     - run in dir run (if it exists), in build otherwise.
379     - call prepare_run (if input/prepare_run exists)
380     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
381    o pkg/exf modifications to interpolation and rotation routines for more
382       reasonable treatment of North Pole singularity: for tracers North Pole
383       value is set to northernmost zonal-mean value, for zonal velocity it is
384       set to zero, and for meridional velocity it is set to northernmost value.
385    o pkg/exf/exf_check_range.F
386     - add tile index to diagnostics and move stop statement to the very
387       end of the routine.
388    o pkg/diagnostics: (diagnostics_main_init.F)
389      define title of isomorphic variables according to the current config.
390    o pkg/thsice with pkg/seaice dynamics:
391    - fix domain of computation (interior only, required for exf) and do exchanges
392    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
393    o towards a standard way of dealing with multi-threading in MONITOR
394      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
395    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
396       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
397    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
398    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
399    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
400       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
401    o tracer advection:
402     - clean-up and simplify calc_common_factors.F
403     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
404       advection subroutine (but still not used within DST advection S/R)
405    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
406    
407    checkpoint58j_post
408    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
409      from file (collects calls previously in FORWARD_STEP)
410    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
411    o adjoint store dir. adjusted accordingly
412    o genmake2
413      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
414    
415    checkpoint58i_post
416    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
417      on wind stress (SEAICEstressFactor defaults to 1.)
418    o Total number of Timers is finite (<=40): comment out 2 non-essential one
419      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
420    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
421      on CS-grid: no longer loosing mass.
422    o exf & curvilinear-grid: no longer modify longitude xC & xG.
423    o pkg/ggl90: fix sloppy output and fix a bug
424    o pkg/seaice: added SEAICEuseEVPpickup parameter
425      - Set to false in order to start EVP solver with
426        non-EVP pickup files when using SEAICEuseEVP
427      - fix sign error in diffusion in seaice_calc_rhs
428    
429    checkpoint58h_post
430    * Modifications for bottom topography control
431      o replace hFacC by _hFacC at various places
432      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
433      o add non-self-adjoint cg2d_nsa
434      o update autodiff support routines
435      o re-initialise hfac after ctrl_depth_ini
436      o works for 5x5 box, doesnt work for global_ocean.90x40x15
437    * Adding verification for 5x5 box (4-layer) bottom topography control
438    
439    checkpoint58g_post
440    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
441       used for mean seasonal cycle, mean diurnal cycle); add an example
442       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
443    o pkg/ggl90:
444      - add parameter (minimum surface kinetic energy)
445      - fix bug (avoiding division by zero)
446    o couple pkg/thsice to pkg/seaice:
447      - modify advection in seaice to accomodate new scalar fields to be advected
448      - only muliDimAdection scheme work with seaice/thsice
449      - mapping of thsice-variables to seaice-variables, back and forth
450      - does not break the verification experiments, but does not give the
451        desired results either
452    o pkg/seaice
453      - make (default) second order advection a bit less confusing?
454    
455    checkpoint58f_post
456    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
457      to pkg/seaice):
458      - new routines thsice_map_exf and thsice_get_exf provide the interface
459      - add an additional formal parameter to thsice_solve4temp
460    o pkg/exf:
461      - add new fields wspeed, snowprecip (to be able to couple to thsice)
462      - correct Stefan-Boltzmann constant
463      - new parameter for longwave surface emittance
464      - separate some stuff from exf_bulkformulae into new routines  
465        exf_radiation, exf_wind
466      - add new parameters and constants: longwave emissivity for ocean, ice
467        and snow, evaporation parameters over ice
468      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
469        either wind from stress or stress from wind
470    o pkg/thSIce:
471    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
472    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
473       and THSICE_CALC_THICKN
474    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
475    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
476      to make debugging easier.
477    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
478    o pkg/bulk_force:
479      - clean-up comments and parameters ;
480      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
481    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
482      generate new output for test-experiment: aim.5l_cs.thSI
483    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
484      testreport accordingly
485    
486    checkpoint58e_post
487    o SEAICE_CGRID adjoint done
488    o R_STAR adjoint implemented.
489      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
490      * need to sort out init. of h0facc, etc.
491    o Make pkg/profile fully independent of ecco,cost, etc. stuff
492      to be able to use it in pure forward.
493    
494    checkpoint58d_post
495    o upgrade simple test-experiment to tutorial example:
496     step.1: duplicate the experiment and (step.2) will remove the old copy.
497      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
498      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
499      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
500      tutorial_global_oce_biogeo    <- copy of dic_example
501      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
502      tutorial_plume_on_slope       <- copy of plume_on_slope
503      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
504      tutorial_global_oce_optim     <- empty for now (David ?)
505      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
506     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
507    o correct a sign problem in cost_scat.F
508    o obcs and ptracers: fix boundary conditions for advections schemes
509      with larger stencil
510    o thsice adjoint: start
511    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
512      completeness
513    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
514      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
515    o ptracers adjoint:
516      * avoid extensive recomputatations
517      * fix missing re-init. of gptr (missed by TAF)
518    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
519      me to turn off the excessive output to STDOUT that this package produces
520    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
521      and add those terms in Vector-Invariant formulation.
522    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
523      if the control period (xx_hfluxperiod etc) is 0
524    o in profiles pkg, clean routines and fix details
525    o in ecco pkg, reading ssh data:
526      fix problem in case the model does not start at iter0=0
527    o fix mnc-pickup/restart for ptracers
528    o new package prifiles:
529      code to compute profile-based cost by Gael Forget
530      (modifs in ecco, ctrl, autodiff)
531    o Benign bug fix in initialization (spotted by M. Mazloff) of
532      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
533    
534    checkpoint58c_post
535    o adjoint: finish NLFS adjoint and provide reference output in
536      verification/global_ocean.90x40x15/results_ad_nlfs
537    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
538      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
539      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
540      with SEAICE_CGRID defined.
541    o move calendarDumps from "data" to "data.cal" and clean-up the code
542      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
543    o add useEXF & useCAL flags (for now, set in hard-coded way)
544    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
545      (were missing in NH mode, and wrong in quasihydrostatic mode).
546      waiting for Chris updated version of calc_gw to add those CALLs.
547    o fix bug in quasihydrostatic S/R ;
548      add a test for this option: global_ocean.90x40x15.qshyd
549    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
550      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
551    o add on/off flag useOffLine for package OFFLINE
552    o seaice:
553      - modify advection so that it works also on the C-grid
554      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
555        problem in multi-tile runs with C-grid
556      - add flags for clipping ice velocities and/or masking solver forcing
557      - fix drag (ocean on ice) formulation and a bug that caused noise in the
558        C-grid solver
559      - added a few comments to seaice_diffusion.F
560      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
561        are now exclusive)
562      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
563        required re-ordering the code a little:
564       + make DAIRN global variable (defined in SEAICE)
565       + move computation of the viscosities eta and zeta into a new separate
566         routine (because I need to recompute them in seaice_ocean_stress.F)
567    
568    checkpoint58b_post
569    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
570      update output.txt of exp. aim.5l_cs.thSI
571    o various mnc cleanups and improvements:
572      + shrink lookup tables by factor of ~4
573      + better error reporting when running out of lookup space
574      + able to handle longer path/file names (up to 500 chars)
575    o adjoint:
576      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
577      - TBD: "hidden" mom_vecinv recomp. in dynamics
578    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
579     (allow to differentiate between forcing components using new integer flags:
580      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
581     and add new flag to put Dissipation tendency out of Adams-Bashforth.
582    o ecco
583      - enable trend removal from SSH anomaly obs.
584    o adjoint
585      - a fix for PmEpR when #undef EXACT_CONSERV
586      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
587      - try to fix "hidden" recomp. in forward_step for NLFS
588        (NLFS seems broken sometimes after I checked it in)
589    o seaice:
590     - add c-grid version of the dynamic solver:
591       + three new routines that are the c-grid substitute lsr, dynsolver
592         and ostres
593       + put a few fields that were local to dynsolver into global common
594         blocks, so that I can move the computation of stresses etc into
595         seaice_lsr (saves coding but may break the adjoint).
596     - replace more hardwired parameters by runtime parameters
597     - add ice masks that mask the rhs of the implicit solvers where there
598       is no ice (commented out in seaice_dynsolver, because i am not sure
599       if this works properly), eventually this should replace the clipping
600       of ice velocities in seaice_dynsolver to +/-40cm/s.
601    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
602      include it only where its needed
603    o move balancing of fluxes before the call of external_forcing_surf
604    o seaice:
605      - correct units of turning angles (now they are really in degrees)
606      - move computation of GWATX/Y out of main routine into dynsolver
607      - initialize GWATX/Y in seaice_init
608    o Apply mask on Fresh-Water flux (needed for SSH forcing).
609      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
610    o seaice: add runtime flags for turning angles (default to zero)
611    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
612      and trend from exf forcing and ctrl control adjustments
613    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
614      (since checkpoint57x_post)
615    o change the default rotation period to 86164.s = the Earth rotation
616    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
617      and based on a reference stratification. Tested within hs94.cs-32x32x5.
618    o seaice advection: add code for choosing between the default (2nd order
619      central differences) and multiDim advection schemes provided by
620      pkg/generic_advdiff
621    o seaice:
622      - removed all references to SEAICE_GRID.h fields from
623        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
624        (cubed-sphere configuration will change a little)
625      - grid computations in seaice_init are obsolete now.
626      - cleaned up code a little so that is easier to read (hopefully).
627      - added new (better?) discretizations of default advection and diffusion
628        (turn on with SEAICEuseFluxForm)
629      - replace 1 in 3d global fields by kSurface in growth.F
630      
631    checkpoint58a_post
632    o seaice:
633      - bug fix in advect.F
634    o shelfice:
635      - separate shelfice load anomaly from pload (breaks with time
636        dependent forcing), => introduce constant field shelficeLoadAnomaly.
637        Its default is 0., but it may be computed more cleverly from (unknown)
638        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
639        done offline. A good approximation of the pressure load anomaly is
640        necessary to avoid large initial adjustment processes underneath
641        deep-reaching shelfice.
642      - small fix in ISOMIP shelfice_thermodynamics
643      - add more sophisticated thermodynamics of Hellmer (1989), this is
644        now the default
645      - give a few constants more intuitive names
646    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
647      if bulk formulae are used in long integration (especially EmPmR). Turn
648      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
649      if balancePrintMean, the imbalance that is substracted is printed to
650      STDOUT.
651    o fix bug (typo) in obcs_apply_eta.F
652    o add a new package shelfice which enables us to model the circulation
653      underneath shelf-ice with draughts of hundreds of meters.
654     - works
655     - to do: + include improved thermodynamics
656              + check whether kSurfC (from model/inc/SURFACE.h) can be used
657                instead of new field kTopC
658              + can we use topoFile, Ro_surf and existing code in ini_depth.F
659                instead of new field R_shelfIce and new code in ini_depth.F
660                and ini_mask_etc.F?
661              + adjust vertical mixing schemes?
662    o seaice pkg:
663     - add a cpp-flag to include a simple formula for a salinity dependent
664       freezing point of sea water at the surface
665     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
666       meridional stresses are now different (and hopefully correct)
667    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
668       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
669       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
670    o pkg/diagnostics: add options and parameters for regional-statistics
671       diagnostics ; define regions by reading a region-mask from a file
672       (might add other options later)
673    o pkg/bulk_force:
674     - add option and parameters to use AIM surface-flux formulae.
675     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
676       others forcing fields (defined in PARM05, parameter file "data") are loaded
677       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
678     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
679     - use the right EXCH call for uwind,vwind (to work on CS-grid).
680     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
681       and parameters (note: calcWindStress replaces .NOT.readwindstress).
682     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
683    
684    checkpoint58
685    o add "--embed-source" option to genmake2 which, when the supporting
686      tools can be compiled (as determined by genmake2) will turn on the
687      embed_files package which then embeds the entire MITgcm source code
688      (*.[fFhc] + Makefile) used for the build within the executable
689      - requested by CNH but off by default
690      - adds a paltry <9MB to the mitgcmuv executable in most cases
691      - only writes the output when useEMBEDSRC in eedata is true
692    o clean up 3-dim. relaxation codes:
693      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
694      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
695      * Thanks to Tom Haine for testing!
696    
697    checkpoint57z_post
698    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
699      affects output (@ truncation level) of exp. plume_on_slope ; updated.
700    o fix the pickup behavior for obcs in combination with ptracers
701    o fix a bug in ptracers_external_fields_load
702    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
703      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
704    o transfered surface NH pressure to eta field (if exactConserv).
705    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
706         and update lab_sea output.txt file.
707    o completing 3-dim. relaxation code: additional term
708         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
709      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
710      * At compile time, in "EXF_OPTIONS.h" set
711          #define  ALLOW_CLIMTEMP_RELAXATION
712          #define  ALLOW_CLIMSALT_RELAXATION
713      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
714          tauThetaClimRelax3Dim = 15552000.0,
715          tauSaltClimRelax3Dim  = 15552000.0,
716      * 3 cases:
717          1) Use a constant-in-time 3-dim. field
718          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
719          3) Real-time relax. to time-evolving prescribed field
720    o Adding Laplacian-type smoothness constraint on
721      initial and boundary (forcing) controls (ic, bc)
722      * enable at compile-time via
723        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
724      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
725      * Absolute scale somewhat unclear so far
726      * no area weighting was included since no other cost term does so far
727    
728    checkpoint57y_post
729    First step for a NLFS adjoint
730    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
731    o new init. routines for calc_r_star, calc_surf_dr
732    o still need to deal with ini_masks_etc
733    o testreport seemed happy
734    checkpoint57y_pre
735    
736    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
737    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
738    o add new offset feature to offline pkg (plus minor cleanup)
739    o cfc fixes for final year of integration
740    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
741      be in GCHEM_OPTIONS).
742    
743    checkpoint57x_post
744    o fix testreport Pb in multiple test experiment.
745    o cleanup our namelist syntax in verification:
746      - make it more F95 standards compliant (some work still needed)
747      - allows the vast majority of our tests to work with gfortran
748    o Non-Hydrostatic:
749     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
750     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
751    o Allow to apply AB on T,S rather than on AB(gT,gS):
752     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
753     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
754       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
755     - need a "clever" read_pickup to restart from the other AB formulation
756    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
757    o remove some unused variables (reduces number of compiler warnings)
758    o adjoint
759      * Disable useVariableViscosity for adjoint for time being
760        (there are a number of extensive recomputations)
761      * Initialize certain variables needed for adjoint
762    
763    checkpoint57w_post
764    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
765                 fix the singleCpuIO RS version of MDSWRITEFIELD
766       and add a WARNING if using globalFiles=T with multi-processors.
767    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
768      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
769    o tracer advection scheme:
770      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
771       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
772       was not very convenient).
773      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
774       (further tests needed for the implicit DST & Flux-Limiter schemes).
775    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
776      and sRef for convenience, handy, when you want to initialize
777      ptracers in a large domain with a constant non-zero value. Also,
778      untangle ptracers_init.F a little.
779    
780    checkpoint57v_post
781    o change dome exp. to use variable viscosity in side-drag terms.
782    o remove all the files from the cfc_offline test since they are now
783      incorporated into tutorial_cfc_offline which has been producing
784      identical results for a few days of testing
785    o add new parameter: sideDragFactor to enable half-slip-side BC
786      and change side-drag S/R to use viscosity from mom_calc_visc
787      (can switch back by setting sideDragFactor=0.); affects results at
788      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
789       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
790    o vorticity & strain are now computed without masking, to account for
791      no-slip-side BC in variable viscosity calculation ; mask is applied
792      anyway later on, before computing advection/coriolis terms.
793    o modify exp4 to test new obcs support for reading from external files
794      and for passive tracers
795    o fix behavior of ptracers_monitor when monitor output is written to a
796      netcdf-file; still not independent of monitor.F (writes in the same
797      file).
798    o change default value of tRef (put a uniform, meaningful value for ocean
799      & atmos) and initialize sRef (was missing, as Martin mentioned).
800    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
801      to be proportional to enstrophy dissipation length.  Thus,
802       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
803      This is now consistent with Smagorinsky and with the manual.
804    
805    checkpoint57u_post
806    o OBCS and PTRACERS: add open boundary support for passive tracers
807      - either use homogenous (pseudo) v.Neumann conditions or prescribe
808        OB-values from file; this is not different from the way theta and salinity
809        are treated
810      - however, Orlanski-radiation conditions are not supported, and the model
811        will stop if you use pTracers and Orlanski at the same time.
812      - beefed up the rountine obcs_external_fields_load: now only those open
813        boundary values are overwritten with values from files for which there
814        are really files, otherwise the OB-fields remain untouched. This makes
815        it possible to use different OBs at different ends of the domain (as
816        with EXF)
817    o reduce number of exch calls in shap_filt (s2).
818    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
819      truncation level) 4/5 MLAdjust test results (11&12 digits match).
820    
821    checkpoint57t_post
822    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
823    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
824      same truncation, independent of the face number: affects affects several
825      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
826    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
827      note that biharmonic viscosity + no-slip was not tested in any experiment.
828    o fix bug in non-linear free-surf side-drag ; generate new output for
829      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
830    o make mnc honor the writeBinaryPrec flag for most kinds of output
831    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
832    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
833      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
834    o add brackets in multi-terms sum to get same truncation, independent of
835      the face number (manage to get exactly same value of gU,gV at the cs-edge)
836      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
837    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
838      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
839      a maximum grid-scale Reynolds number.  Also, changes all length calculations
840      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
841      Suggested values of viscosity parameters found in mom_calc_visc.
842      Many new viscosity diagnostics available.
843    
844    checkpoint57s_post
845    o Add clearing-house for viscosity calculations, mom_calc_visc and
846      correct numerous bugs in LeithD and Smagorinsky discretizations.  
847      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
848      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
849      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
850      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
851      The Strain-Tension form is now called with useStrainTensonVisc=.true.
852      ViscAhStrain and viscAhTension are now retired.
853    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
854    o In response to JMC's bug report, genmake2 now ignores any soft-links
855      that it finds in the *current* directory when searching for files.
856      Soft-links found in any other source directories will still work as
857      they did before.
858    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
859      a C routine to unlimit the stack size
860    o mnc-ify pkg/aim snapshot vars
861    o mnc-ify pkg/land as requested by Daniel
862    o various changes to mnc including:
863      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
864      - output can now be grouped so that all files within a group
865          change the ITER portion of their names in lock-step together
866      - can now read ("global") PER-FACE (in addition to PER-TILE) files
867          and works with both EXCH1 and EXCH2 (but needs more testing)
868      - writing works for all verification test cases w/ g77 on Linux
869    
870    checkpoint57r_post
871    o make MNC variable initialization happen earlier
872    o add diagnostics for (almost) each term of the momentum Eq.
873    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
874    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
875    o remove MINIMAL_TAVE_OUTPUT option ;
876      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
877    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
878      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
879    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
880    o add time-dependent SST, SSS control
881    o cost terms in ecco/ modularized (new cost_generic.F)
882    o cost_averages routines are modularized (new cost_averagesgeneric.F)
883    o new infrastructure for seaice model vs. obs misfits in seaice/
884      * driver from the_main_loop.F is seaice_cost_driver.F
885      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
886      * gradient check in Exp. 6a of natl_box_adjoint/
887    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
888      (see README file)
889    
890    checkpoint57q_post
891    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
892    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
893      - bug was reported by Jean-Michel and Ian Fenty
894    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
895      update exp. cpl_aim+ocn output.
896    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
897      Needed for high-res. runs with large global files
898      to be able to limit tapelev size
899    o Changed some tests for adjoint:
900      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
901      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
902      * global_ocean.90x40x15/ back to default 3-level checkpointing
903    o Modifications to enable scripted COMMON to MODULE conversion
904      * verification/OpenAD/code/ has necessary scripts and description;
905      * converts, compiles and runs successfully;
906    
907    checkpoint57p_post
908    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
909    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
910      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
911    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
912    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
913      (was already the case for dissipation with mom_vecinv,
914       and also the case for grad.PhiHyd when staggered-timeStep)
915      This will allow to put dissipation out-off the AB time-stepping.
916     Unfortunately, affects truncation error. Update output of exp. that "fails"
917      (cg2d matching number) and leave the others for later: front_relax(10),
918      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
919      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
920    
921    checkpoint57o_post
922    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
923      (2) its ready to be documented during the 20050801 DocFest
924    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
925      for ideal_2D_oce and lab_sea on linux_ia32_g77
926    o set to #undef CTRL_SET_OLD_MAXCVARS_30
927      in global1x1_tot/code_seaice_adj to access indices 32, 33
928      (worth another tag)
929    
930    checkpoint57n_post
931    o adding precip control xx_precip 32
932    o adding swflux control xx_swflux 33
933    o Replacing 10 forcing penalty cost routines by 1 generic.
934    o Implementing partitioning in time-mean and variable adjustment
935      for atmos. state.
936    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
937  o in natl_box_adjoint:  o in natl_box_adjoint:
938    * updated: results_bulk/    * updated exp 1 to 10
939    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
940    o updated global1x1/*_seaice_adj/
941      to incorporate latest changes
942    o enable useSingleCpuIO for mdsio vector routines
943      (applies in particular to tapelev I/O)
944    o removed inefficient K-loop in all active_file*control*.F
945    
946  checkpoint57m_post  checkpoint57m_post
947  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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