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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.738 by jmc, Thu Oct 26 00:50:48 2006 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 multi-threading and IO:
8      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
9      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
10        (needed to work with SingleCpuIO): tested in all verif. exp.
11    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
12      affects the results (but none of the verification test uses this scheme).
13    o Adding some pkg/diagnostics capability to pkg/seaice
14      (will certainly be subject to changes)
15    
16    checkpoint58q_post
17    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
18      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
19      high_res_cube configuration by 4% on Columbia.
20    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
21      add (in global_with_exf/code) a version of EXF_INTERP_READ without
22      dynamical allocation (seems to work in multi-threaded).
23    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
24      single CPU io) so that TAF does not have to see EESUPPORT.h
25    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
26    
27    checkpoint58p_post
28    o obcs: stop if obcs is used with useCDscheme = .true.
29    o shelfice:
30     - fix a sign error so that no slip at shelfice interface works
31     - remove stop for combination non-hydrostatic code and shelfice. That does
32       not mean, that the results are correct, but at least they are numerically
33       stable
34    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
35    o added adjoint exch routined for all exch*3d* routines
36      and updated flow directives
37    
38    checkpoint58o_post
39    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
40      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
41    o change controling S/R for writing pickup file (new S/R do_write_pickup)
42      and clean-up reading/writing of pickup files.
43    o fix local version of read/write pickup (NH part) in rotating_tank/code
44    o simplify EXCH interface:
45     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
46     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
47    o added the regrid package
48    o shelfice:
49     - add a simple boundary layer scheme to reduce noise
50     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
51    
52    checkpoint58n_post
53    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
54       local variable (not in common block).
55    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
56      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
57      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
58        to work with SingleCpuIO.
59    o add "_d 0" to real constant of pkg/cfc subroutines ;
60       update exp. cfc_exemple & tutorial_cfc_offline output files.
61    o multi-threading and IO:
62      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
63        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
64      - barrier before and after reading.
65      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
66      - avoid using MDS_WRITELOCAL for LAND pkg output.
67      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
68        common-block variables ; Allows multi-threading with master-thread IO.
69    o change default MAX_NO_THREADS from 32 to 4 ;
70      and stop cleanly when MAX_NO_THREADS is too small.
71    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
72    
73    checkpoint58m_post
74    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
75       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
76    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
77       keep global_ocean.90x40x15 (for AD testing) with former secondary test
78       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
79    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
80        add MITgcm_tutorials (= code + all the tutorials)
81    o ecco, option to compute cost for total ssh (mean+anom)
82    o consistent with addition of ptracer and ssh in pkg/profiles
83    o profiles: adding ptracer and ssh
84    o testreport: change multi-test output-file name
85      (from output.txt.{name} to output.{name}.txt)
86    o profiles: now ok for mutli-tiles case
87    o seaice: add 4 parameters for different advection schemes for area,
88      (effective) seaice thickness, enthalphy, and snow height. Their default
89      is the standard parameter SEAICEadvScheme
90    o calc_gw:
91     - add cosFacU in zonal viscous flux (harmonic.visc.).
92     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
93       of tutorial_plume_on_slope.
94    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
95    o calc_gw: true flux-form, account for horizontal grid spacing.
96      update rotating_tank results, but not plume_on_slope (affected at
97      truncation level, 11 digits).
98    
99    checkpoint58l_post
100    o calc_gw:
101     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
102     - remove side-drag for now (need to fix it); update plume_on_slope results.
103     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
104    o commit code to make SST/SSS weights spatially variable
105      (based on either variable in-situ or variable initial T/S weights)
106    o pkg/ecco:
107      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
108        now based on horizontally varying weights wthetaLev, wsaltLev
109      * cost_averagesflags now returns year indices in addition to day, month
110      * sflux balance is performed on annual basis
111        (sflxumm, sfluxmm2, bal_sfluxmm)
112      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
113        including separate counting and multipliers
114    o pkg/rbcs
115      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
116    
117    checkpoint58k_post
118    o testreport:
119     - always build in dir. "build" (if not there, mkdir build instead of building
120       & running in input)
121     - run in dir run (if it exists), in build otherwise.
122     - call prepare_run (if input/prepare_run exists)
123     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
124    o pkg/exf modifications to interpolation and rotation routines for more
125       reasonable treatment of North Pole singularity: for tracers North Pole
126       value is set to northernmost zonal-mean value, for zonal velocity it is
127       set to zero, and for meridional velocity it is set to northernmost value.
128    o pkg/exf/exf_check_range.F
129     - add tile index to diagnostics and move stop statement to the very
130       end of the routine.
131    o pkg/diagnostics: (diagnostics_main_init.F)
132      define title of isomorphic variables according to the current config.
133    o pkg/thsice with pkg/seaice dynamics:
134    - fix domain of computation (interior only, required for exf) and do exchanges
135    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
136    o towards a standard way of dealing with multi-threading in MONITOR
137      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
138    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
139       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
140    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
141    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
142    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
143       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
144    o tracer advection:
145     - clean-up and simplify calc_common_factors.F
146     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
147       advection subroutine (but still not used within DST advection S/R)
148    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
149    
150    checkpoint58j_post
151    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
152      from file (collects calls previously in FORWARD_STEP)
153    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
154    o adjoint store dir. adjusted accordingly
155    o genmake2
156      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
157    
158    checkpoint58i_post
159    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
160      on wind stress (SEAICEstressFactor defaults to 1.)
161    o Total number of Timers is finite (<=40): comment out 2 non-essential one
162      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
163    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
164      on CS-grid: no longer loosing mass.
165    o exf & curvilinear-grid: no longer modify longitude xC & xG.
166    o pkg/ggl90: fix sloppy output and fix a bug
167    o pkg/seaice: added SEAICEuseEVPpickup parameter
168      - Set to false in order to start EVP solver with
169        non-EVP pickup files when using SEAICEuseEVP
170      - fix sign error in diffusion in seaice_calc_rhs
171    
172    checkpoint58h_post
173    * Modifications for bottom topography control
174      o replace hFacC by _hFacC at various places
175      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
176      o add non-self-adjoint cg2d_nsa
177      o update autodiff support routines
178      o re-initialise hfac after ctrl_depth_ini
179      o works for 5x5 box, doesnt work for global_ocean.90x40x15
180    * Adding verification for 5x5 box (4-layer) bottom topography control
181    
182    checkpoint58g_post
183    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
184       used for mean seasonal cycle, mean diurnal cycle); add an example
185       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
186    o pkg/ggl90:
187      - add parameter (minimum surface kinetic energy)
188      - fix bug (avoiding division by zero)
189    o couple pkg/thsice to pkg/seaice:
190      - modify advection in seaice to accomodate new scalar fields to be advected
191      - only muliDimAdection scheme work with seaice/thsice
192      - mapping of thsice-variables to seaice-variables, back and forth
193      - does not break the verification experiments, but does not give the
194        desired results either
195    o pkg/seaice
196      - make (default) second order advection a bit less confusing?
197    
198    checkpoint58f_post
199    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
200      to pkg/seaice):
201      - new routines thsice_map_exf and thsice_get_exf provide the interface
202      - add an additional formal parameter to thsice_solve4temp
203    o pkg/exf:
204      - add new fields wspeed, snowprecip (to be able to couple to thsice)
205      - correct Stefan-Boltzmann constant
206      - new parameter for longwave surface emittance
207      - separate some stuff from exf_bulkformulae into new routines  
208        exf_radiation, exf_wind
209      - add new parameters and constants: longwave emissivity for ocean, ice
210        and snow, evaporation parameters over ice
211      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
212        either wind from stress or stress from wind
213    o pkg/thSIce:
214    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
215    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
216       and THSICE_CALC_THICKN
217    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
218    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
219      to make debugging easier.
220    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
221    o pkg/bulk_force:
222      - clean-up comments and parameters ;
223      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
224    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
225      generate new output for test-experiment: aim.5l_cs.thSI
226    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
227      testreport accordingly
228    
229    checkpoint58e_post
230    o SEAICE_CGRID adjoint done
231    o R_STAR adjoint implemented.
232      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
233      * need to sort out init. of h0facc, etc.
234    o Make pkg/profile fully independent of ecco,cost, etc. stuff
235      to be able to use it in pure forward.
236    
237    checkpoint58d_post
238    o upgrade simple test-experiment to tutorial example:
239     step.1: duplicate the experiment and (step.2) will remove the old copy.
240      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
241      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
242      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
243      tutorial_global_oce_biogeo    <- copy of dic_example
244      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
245      tutorial_plume_on_slope       <- copy of plume_on_slope
246      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
247      tutorial_global_oce_optim     <- empty for now (David ?)
248      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
249     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
250    o correct a sign problem in cost_scat.F
251    o obcs and ptracers: fix boundary conditions for advections schemes
252      with larger stencil
253    o thsice adjoint: start
254    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
255      completeness
256    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
257      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
258    o ptracers adjoint:
259      * avoid extensive recomputatations
260      * fix missing re-init. of gptr (missed by TAF)
261    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
262      me to turn off the excessive output to STDOUT that this package produces
263    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
264      and add those terms in Vector-Invariant formulation.
265    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
266      if the control period (xx_hfluxperiod etc) is 0
267    o in profiles pkg, clean routines and fix details
268    o in ecco pkg, reading ssh data:
269      fix problem in case the model does not start at iter0=0
270    o fix mnc-pickup/restart for ptracers
271    o new package prifiles:
272      code to compute profile-based cost by Gael Forget
273      (modifs in ecco, ctrl, autodiff)
274    o Benign bug fix in initialization (spotted by M. Mazloff) of
275      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
276    
277    checkpoint58c_post
278    o adjoint: finish NLFS adjoint and provide reference output in
279      verification/global_ocean.90x40x15/results_ad_nlfs
280    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
281      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
282      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
283      with SEAICE_CGRID defined.
284    o move calendarDumps from "data" to "data.cal" and clean-up the code
285      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
286    o add useEXF & useCAL flags (for now, set in hard-coded way)
287    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
288      (were missing in NH mode, and wrong in quasihydrostatic mode).
289      waiting for Chris updated version of calc_gw to add those CALLs.
290    o fix bug in quasihydrostatic S/R ;
291      add a test for this option: global_ocean.90x40x15.qshyd
292    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
293      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
294    o add on/off flag useOffLine for package OFFLINE
295    o seaice:
296      - modify advection so that it works also on the C-grid
297      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
298        problem in multi-tile runs with C-grid
299      - add flags for clipping ice velocities and/or masking solver forcing
300      - fix drag (ocean on ice) formulation and a bug that caused noise in the
301        C-grid solver
302      - added a few comments to seaice_diffusion.F
303      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
304        are now exclusive)
305      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
306        required re-ordering the code a little:
307       + make DAIRN global variable (defined in SEAICE)
308       + move computation of the viscosities eta and zeta into a new separate
309         routine (because I need to recompute them in seaice_ocean_stress.F)
310    
311    checkpoint58b_post
312    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
313      update output.txt of exp. aim.5l_cs.thSI
314    o various mnc cleanups and improvements:
315      + shrink lookup tables by factor of ~4
316      + better error reporting when running out of lookup space
317      + able to handle longer path/file names (up to 500 chars)
318    o adjoint:
319      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
320      - TBD: "hidden" mom_vecinv recomp. in dynamics
321    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
322     (allow to differentiate between forcing components using new integer flags:
323      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
324     and add new flag to put Dissipation tendency out of Adams-Bashforth.
325    o ecco
326      - enable trend removal from SSH anomaly obs.
327    o adjoint
328      - a fix for PmEpR when #undef EXACT_CONSERV
329      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
330      - try to fix "hidden" recomp. in forward_step for NLFS
331        (NLFS seems broken sometimes after I checked it in)
332    o seaice:
333     - add c-grid version of the dynamic solver:
334       + three new routines that are the c-grid substitute lsr, dynsolver
335         and ostres
336       + put a few fields that were local to dynsolver into global common
337         blocks, so that I can move the computation of stresses etc into
338         seaice_lsr (saves coding but may break the adjoint).
339     - replace more hardwired parameters by runtime parameters
340     - add ice masks that mask the rhs of the implicit solvers where there
341       is no ice (commented out in seaice_dynsolver, because i am not sure
342       if this works properly), eventually this should replace the clipping
343       of ice velocities in seaice_dynsolver to +/-40cm/s.
344    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
345      include it only where its needed
346    o move balancing of fluxes before the call of external_forcing_surf
347    o seaice:
348      - correct units of turning angles (now they are really in degrees)
349      - move computation of GWATX/Y out of main routine into dynsolver
350      - initialize GWATX/Y in seaice_init
351    o Apply mask on Fresh-Water flux (needed for SSH forcing).
352      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
353    o seaice: add runtime flags for turning angles (default to zero)
354    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
355      and trend from exf forcing and ctrl control adjustments
356    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
357      (since checkpoint57x_post)
358    o change the default rotation period to 86164.s = the Earth rotation
359    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
360      and based on a reference stratification. Tested within hs94.cs-32x32x5.
361    o seaice advection: add code for choosing between the default (2nd order
362      central differences) and multiDim advection schemes provided by
363      pkg/generic_advdiff
364    o seaice:
365      - removed all references to SEAICE_GRID.h fields from
366        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
367        (cubed-sphere configuration will change a little)
368      - grid computations in seaice_init are obsolete now.
369      - cleaned up code a little so that is easier to read (hopefully).
370      - added new (better?) discretizations of default advection and diffusion
371        (turn on with SEAICEuseFluxForm)
372      - replace 1 in 3d global fields by kSurface in growth.F
373      
374    checkpoint58a_post
375    o seaice:
376      - bug fix in advect.F
377    o shelfice:
378      - separate shelfice load anomaly from pload (breaks with time
379        dependent forcing), => introduce constant field shelficeLoadAnomaly.
380        Its default is 0., but it may be computed more cleverly from (unknown)
381        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
382        done offline. A good approximation of the pressure load anomaly is
383        necessary to avoid large initial adjustment processes underneath
384        deep-reaching shelfice.
385      - small fix in ISOMIP shelfice_thermodynamics
386      - add more sophisticated thermodynamics of Hellmer (1989), this is
387        now the default
388      - give a few constants more intuitive names
389    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
390      if bulk formulae are used in long integration (especially EmPmR). Turn
391      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
392      if balancePrintMean, the imbalance that is substracted is printed to
393      STDOUT.
394    o fix bug (typo) in obcs_apply_eta.F
395    o add a new package shelfice which enables us to model the circulation
396      underneath shelf-ice with draughts of hundreds of meters.
397     - works
398     - to do: + include improved thermodynamics
399              + check whether kSurfC (from model/inc/SURFACE.h) can be used
400                instead of new field kTopC
401              + can we use topoFile, Ro_surf and existing code in ini_depth.F
402                instead of new field R_shelfIce and new code in ini_depth.F
403                and ini_mask_etc.F?
404              + adjust vertical mixing schemes?
405    o seaice pkg:
406     - add a cpp-flag to include a simple formula for a salinity dependent
407       freezing point of sea water at the surface
408     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
409       meridional stresses are now different (and hopefully correct)
410    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
411       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
412       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
413    o pkg/diagnostics: add options and parameters for regional-statistics
414       diagnostics ; define regions by reading a region-mask from a file
415       (might add other options later)
416    o pkg/bulk_force:
417     - add option and parameters to use AIM surface-flux formulae.
418     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
419       others forcing fields (defined in PARM05, parameter file "data") are loaded
420       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
421     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
422     - use the right EXCH call for uwind,vwind (to work on CS-grid).
423     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
424       and parameters (note: calcWindStress replaces .NOT.readwindstress).
425     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
426    
427    checkpoint58
428    o add "--embed-source" option to genmake2 which, when the supporting
429      tools can be compiled (as determined by genmake2) will turn on the
430      embed_files package which then embeds the entire MITgcm source code
431      (*.[fFhc] + Makefile) used for the build within the executable
432      - requested by CNH but off by default
433      - adds a paltry <9MB to the mitgcmuv executable in most cases
434      - only writes the output when useEMBEDSRC in eedata is true
435    o clean up 3-dim. relaxation codes:
436      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
437      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
438      * Thanks to Tom Haine for testing!
439    
440    checkpoint57z_post
441    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
442      affects output (@ truncation level) of exp. plume_on_slope ; updated.
443    o fix the pickup behavior for obcs in combination with ptracers
444    o fix a bug in ptracers_external_fields_load
445    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
446      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
447    o transfered surface NH pressure to eta field (if exactConserv).
448    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
449         and update lab_sea output.txt file.
450    o completing 3-dim. relaxation code: additional term
451         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
452      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
453      * At compile time, in "EXF_OPTIONS.h" set
454          #define  ALLOW_CLIMTEMP_RELAXATION
455          #define  ALLOW_CLIMSALT_RELAXATION
456      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
457          tauThetaClimRelax3Dim = 15552000.0,
458          tauSaltClimRelax3Dim  = 15552000.0,
459      * 3 cases:
460          1) Use a constant-in-time 3-dim. field
461          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
462          3) Real-time relax. to time-evolving prescribed field
463    o Adding Laplacian-type smoothness constraint on
464      initial and boundary (forcing) controls (ic, bc)
465      * enable at compile-time via
466        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
467      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
468      * Absolute scale somewhat unclear so far
469      * no area weighting was included since no other cost term does so far
470    
471    checkpoint57y_post
472    First step for a NLFS adjoint
473    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
474    o new init. routines for calc_r_star, calc_surf_dr
475    o still need to deal with ini_masks_etc
476    o testreport seemed happy
477    checkpoint57y_pre
478    
479    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
480    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
481    o add new offset feature to offline pkg (plus minor cleanup)
482    o cfc fixes for final year of integration
483    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
484      be in GCHEM_OPTIONS).
485    
486    checkpoint57x_post
487    o fix testreport Pb in multiple test experiment.
488    o cleanup our namelist syntax in verification:
489      - make it more F95 standards compliant (some work still needed)
490      - allows the vast majority of our tests to work with gfortran
491    o Non-Hydrostatic:
492     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
493     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
494    o Allow to apply AB on T,S rather than on AB(gT,gS):
495     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
496     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
497       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
498     - need a "clever" read_pickup to restart from the other AB formulation
499    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
500    o remove some unused variables (reduces number of compiler warnings)
501    o adjoint
502      * Disable useVariableViscosity for adjoint for time being
503        (there are a number of extensive recomputations)
504      * Initialize certain variables needed for adjoint
505    
506    checkpoint57w_post
507    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
508                 fix the singleCpuIO RS version of MDSWRITEFIELD
509       and add a WARNING if using globalFiles=T with multi-processors.
510    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
511      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
512    o tracer advection scheme:
513      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
514       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
515       was not very convenient).
516      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
517       (further tests needed for the implicit DST & Flux-Limiter schemes).
518    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
519      and sRef for convenience, handy, when you want to initialize
520      ptracers in a large domain with a constant non-zero value. Also,
521      untangle ptracers_init.F a little.
522    
523    checkpoint57v_post
524    o change dome exp. to use variable viscosity in side-drag terms.
525    o remove all the files from the cfc_offline test since they are now
526      incorporated into tutorial_cfc_offline which has been producing
527      identical results for a few days of testing
528    o add new parameter: sideDragFactor to enable half-slip-side BC
529      and change side-drag S/R to use viscosity from mom_calc_visc
530      (can switch back by setting sideDragFactor=0.); affects results at
531      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
532       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
533    o vorticity & strain are now computed without masking, to account for
534      no-slip-side BC in variable viscosity calculation ; mask is applied
535      anyway later on, before computing advection/coriolis terms.
536    o modify exp4 to test new obcs support for reading from external files
537      and for passive tracers
538    o fix behavior of ptracers_monitor when monitor output is written to a
539      netcdf-file; still not independent of monitor.F (writes in the same
540      file).
541    o change default value of tRef (put a uniform, meaningful value for ocean
542      & atmos) and initialize sRef (was missing, as Martin mentioned).
543    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
544      to be proportional to enstrophy dissipation length.  Thus,
545       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
546      This is now consistent with Smagorinsky and with the manual.
547    
548    checkpoint57u_post
549    o OBCS and PTRACERS: add open boundary support for passive tracers
550      - either use homogenous (pseudo) v.Neumann conditions or prescribe
551        OB-values from file; this is not different from the way theta and salinity
552        are treated
553      - however, Orlanski-radiation conditions are not supported, and the model
554        will stop if you use pTracers and Orlanski at the same time.
555      - beefed up the rountine obcs_external_fields_load: now only those open
556        boundary values are overwritten with values from files for which there
557        are really files, otherwise the OB-fields remain untouched. This makes
558        it possible to use different OBs at different ends of the domain (as
559        with EXF)
560    o reduce number of exch calls in shap_filt (s2).
561    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
562      truncation level) 4/5 MLAdjust test results (11&12 digits match).
563    
564    checkpoint57t_post
565    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
566    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
567      same truncation, independent of the face number: affects affects several
568      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
569    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
570      note that biharmonic viscosity + no-slip was not tested in any experiment.
571    o fix bug in non-linear free-surf side-drag ; generate new output for
572      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
573    o make mnc honor the writeBinaryPrec flag for most kinds of output
574    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
575    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
576      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
577    o add brackets in multi-terms sum to get same truncation, independent of
578      the face number (manage to get exactly same value of gU,gV at the cs-edge)
579      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
580    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
581      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
582      a maximum grid-scale Reynolds number.  Also, changes all length calculations
583      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
584      Suggested values of viscosity parameters found in mom_calc_visc.
585      Many new viscosity diagnostics available.
586    
587    checkpoint57s_post
588    o Add clearing-house for viscosity calculations, mom_calc_visc and
589      correct numerous bugs in LeithD and Smagorinsky discretizations.  
590      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
591      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
592      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
593      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
594      The Strain-Tension form is now called with useStrainTensonVisc=.true.
595      ViscAhStrain and viscAhTension are now retired.
596    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
597    o In response to JMC's bug report, genmake2 now ignores any soft-links
598      that it finds in the *current* directory when searching for files.
599      Soft-links found in any other source directories will still work as
600      they did before.
601    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
602      a C routine to unlimit the stack size
603    o mnc-ify pkg/aim snapshot vars
604    o mnc-ify pkg/land as requested by Daniel
605    o various changes to mnc including:
606      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
607      - output can now be grouped so that all files within a group
608          change the ITER portion of their names in lock-step together
609      - can now read ("global") PER-FACE (in addition to PER-TILE) files
610          and works with both EXCH1 and EXCH2 (but needs more testing)
611      - writing works for all verification test cases w/ g77 on Linux
612    
613    checkpoint57r_post
614    o make MNC variable initialization happen earlier
615    o add diagnostics for (almost) each term of the momentum Eq.
616    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
617    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
618    o remove MINIMAL_TAVE_OUTPUT option ;
619      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
620    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
621      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
622    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
623    o add time-dependent SST, SSS control
624    o cost terms in ecco/ modularized (new cost_generic.F)
625    o cost_averages routines are modularized (new cost_averagesgeneric.F)
626    o new infrastructure for seaice model vs. obs misfits in seaice/
627      * driver from the_main_loop.F is seaice_cost_driver.F
628      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
629      * gradient check in Exp. 6a of natl_box_adjoint/
630    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
631      (see README file)
632    
633    checkpoint57q_post
634    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
635    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
636      - bug was reported by Jean-Michel and Ian Fenty
637    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
638      update exp. cpl_aim+ocn output.
639    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
640      Needed for high-res. runs with large global files
641      to be able to limit tapelev size
642    o Changed some tests for adjoint:
643      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
644      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
645      * global_ocean.90x40x15/ back to default 3-level checkpointing
646    o Modifications to enable scripted COMMON to MODULE conversion
647      * verification/OpenAD/code/ has necessary scripts and description;
648      * converts, compiles and runs successfully;
649    
650    checkpoint57p_post
651    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
652    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
653      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
654    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
655    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
656      (was already the case for dissipation with mom_vecinv,
657       and also the case for grad.PhiHyd when staggered-timeStep)
658      This will allow to put dissipation out-off the AB time-stepping.
659     Unfortunately, affects truncation error. Update output of exp. that "fails"
660      (cg2d matching number) and leave the others for later: front_relax(10),
661      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
662      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
663    
664    checkpoint57o_post
665    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
666      (2) its ready to be documented during the 20050801 DocFest
667    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
668      for ideal_2D_oce and lab_sea on linux_ia32_g77
669    o set to #undef CTRL_SET_OLD_MAXCVARS_30
670      in global1x1_tot/code_seaice_adj to access indices 32, 33
671      (worth another tag)
672    
673    checkpoint57n_post
674    o adding precip control xx_precip 32
675    o adding swflux control xx_swflux 33
676    o Replacing 10 forcing penalty cost routines by 1 generic.
677    o Implementing partitioning in time-mean and variable adjustment
678      for atmos. state.
679    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
680    o in natl_box_adjoint:
681      * updated exp 1 to 10
682        (but does not have time-mean vs. variable split results yet)
683    o updated global1x1/*_seaice_adj/
684      to incorporate latest changes
685    o enable useSingleCpuIO for mdsio vector routines
686      (applies in particular to tapelev I/O)
687    o removed inefficient K-loop in all active_file*control*.F
688    
689    checkpoint57m_post
690    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
691      and advect_cs (use EXCH-2 and standard cs-32 grid files).
692    o pkg/exch2: filling of face-corner halo regions is optional
693      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
694    
695    checkpoint57l_post
696     tag before updating tutorials (pre-release-2)
697    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
698       for output and interpolation of input fields onto model grid)
699    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
700       Affects results of exp. rotating_tank ; update output.txt.
701    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
702          and taking the square quantity and/or using a fraction-weight field.
703    o fix aim_diagnostics_init.F mate numbers.
704    o add mnc output capability to diagnostics/diagstat and update
705      our cvsignore files for the ACSII output generated
706    
707    checkpoint57k_post
708    o lab_sea now uses diagnostics package and provides a suite of
709      new EXF diagnostics output.
710    
711    checkpoint57j_post
712    o exf
713      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
714        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
715        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
716      * extended diagnostics output
717        - now includes all EXF variables
718        - hs, hl moved to common block
719        - separate S/R for diagnostics, called after ctrl vector is added
720        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
721        - EXFqnet contains true Qnet (i.e. includes qsw)
722      * updated verif. lab_sea, global_with_exf
723      * Rearranging hflux (exf_mapfields -> exf_getforcing)
724        to ensure that diagnostics sees a true EXFqnet
725    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
726    o diagnostics pkg: change pointers so that 1 diagnostic can be used
727      several times with different frequencies.
728    o mnc-ify the thsice package as requested by Daniel Enderton
729      - the monitor--MNC output needs work
730      - many attributes need to be added (most are currently blank)
731    o mnc-ify theaim_v23 package as requested by Daniel Enderton
732      - many attributes need to be added (most are currently blank)
733    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
734    o add Sadourny like discretization to the 4th.O vorticity advection scheme
735    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
736      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
737         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
738    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
739     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
740    
741    checkpoint57i_post
742    o Diagnostics package was changed: diagnostic allocation is now deactivated
743      by setting an empty file name in the namelist (used to be by setting 0 frequency)
744    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
745      add 1rst Order upwind vertical Shear.
746    o add a quick fix for A/B checkpointing in OFFLINE mode
747    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
748      end-run around the C/Fortran linking horror in eesup/src/timers.F
749    o added pkg/runclock: allows user to terminate run based on wall clock
750    o added non-hydrostatic scaling parameter: nh_am2
751    o pkg/my82: futile attempt to make results compiler-independent by adding
752      some "_d 0", etc. no effect.
753    o for mnc output, fill the 'T' coordinate var with myTime and create a
754      separate 'iter' variable for iteration count
755    o pkg/diagnostics:
756      add new capability: output of Global/Regional & per-level statistics ;
757      tested against monitor output (including land & thSIce) on various exp.
758    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
759    
760    checkpoint57h_done
761      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
762      data.diagnostics, data.gchem, data.ptracers) is done.
763    
764    o pkg/diagnostics: prepare for Global/Regional statistics.
765      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
766    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
767      and rename it: DIFFERENT_MULTIPLE
768    
769    checkpoint57h_post
770    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
771    o pkg/diagnostics: change output frequency, now in seconds (instead
772      of Nb of iterations). This requires to change data.diagnostics.
773    checkpoint57h_pre
774    
775    o in mnc, let the user create the output dir if both mnc_outdir_date
776      and mnc_outdir_num are false
777    o add fflags() to pkg/diagnostics which allows one to specify, on a
778      per-file basis, the file precision [default behavior is unchanged]
779    o added diagnostics to pkg/kpp, including computation of mixed layer
780      depth based on a temperature/density criterion
781    o updated verification/natl_box to test the new pkg/kpp diagnostics
782    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
783    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
784    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
785      not mnc -- this mistake was found by JMC and is now corrected
786    
787    checkpoint57g_post
788    o add Adams-Bashforth 3rd Order time stepping:
789      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
790      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
791    checkpoint57g_pre
792    
793    o make lambda[Theta,Salt]ClimRelax spatially varying
794      (default remains spatially uniform constant based on tau)
795    o added new control variables
796      * init. uVel, vVel, etanN
797      * lambda[Theta,Salt]ClimRelax
798    o separate masks used for ctrl_pack/unpack 'from write_grid' output
799      (suggested by G. Forget)
800    
801    checkpoint57f_post
802    o add parameter "baseTime" = model base time = time at iteration zero
803      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
804      account for baseTime shift
805    o move Coriolis arrays from PARAMS.h to GRID.h
806    checkpoint57f_pre
807    
808    o mnc-ifying the seaice package
809    o introduced an alternative length scale calculation for use in the limiting
810      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
811    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
812    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
813      as well as grad(vort3).  Made it compatible with both approximate form
814      for the cubed sphere and full form of these gradients.  Added flag
815      useFullLeith to select between approximate and full form.  
816    o add "d0" in getcon.F to reduce differences between compilers/platforms
817      update output.txt of exp. fizhi-gridalt-hs
818    o change port_rand funtion to allow to set the seed.
819    o fix obscure MNC bug involving conversion between reals and integers
820      - it caused no problems with certain (eg. gcc, ifc) compilers but the
821        new version is now more standards-compliant
822    o adjoint-related modifications
823      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
824      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
825      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
826    
827    checkpoint57e_post
828    o Adding eddy stress controls a la Ferreira et al.
829    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
830    
831    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
832      update output.txt of exp. fizhi-gridalt-hs
833    o add more "Z" dimensions and associated coordinate vars to MNC
834    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
835    o parameter calendarDumps: when set, approximate months (30-31 days) and years
836      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
837      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
838      months and years.  Requires pkg/cal.
839    o diagnostics: add pickup functionality
840      - off by default for backwards compatibility
841      - current version only uses MDSIO -- MNC will be added
842    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
843    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
844    
845    checkpoint57d_post
846    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
847    o modify verification/ideal_2D_oce so that it tests the creation of mnc
848      output from the diagnostics package
849    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
850    o make genmake2 more portable by using ".$FS" instead of ".f" for more
851      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
852    o add coordinate variables to the MNC output from the diagnostics package
853    o change MNC-flags default value: true when useMNC=TRUE
854    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
855      the ability (off by default) to read the grid information using MNC
856    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
857    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
858    o do snap-shot diagnostics at the middle of the time-interval (instead of
859      at the end).
860    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
861      new test for AIM with thSIce + slab-ocean
862    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
863    o move state variable diagnostics to the beginning of the time step ;
864      (note: still needs some work specially for snap-shot diagnostics)
865      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
866    
867    checkpoint57c_post
868    o Change testing option (-ieee) to get closer agreement between g77 & ifort
869    o generate new output.txt files on faulks with g77 & the new -ieee option
870    checkpoint57c_pre
871    
872    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
873      update output.txt of exp. global_ocean.90x40x15
874    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
875      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
876    o add saltFlux(+File) forcing capability with periodicExternalForcing
877    o allow to use pkg diagnostics for GM-Redi & ThSIce output
878    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
879    o improvements for the MNC output from DIAGNOSTICS:
880      - correct handling of the unlimitied dimension
881      - all dims now have associated coordinate variables
882      - variables located at U, V, and Corner ("Z") points are now written
883        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
884        *all* data points are output
885    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
886    o added pkg/seaice/seaice_monitor.F
887    o mdsio_readfield.F can now read files visible only to master MPI process.
888    o pkg/seaice: some test code for ice-modified ocean stress
889    o exf_getffields interpolation defaults to bilinear for all scalar forcing
890      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
891      spurious negative numbers for precipitation and humidity.  Will cause
892      some small numerical differences for integrations using pkg/exf/exf_interp.F.
893    o pkg/ctrl/
894      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
895        May be enabled via doPackDiag
896      *  introduce z-scaling of
897         + gradient (doZscalePack) and
898         + control (doZscaleUnpack)
899    o pkg/mdsio/
900      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
901      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
902    
903    checkpoint57b_post
904    o simplify options in diagnostics_fill arguments (remove weird combinations)
905    o fix MNC coordinate variables so that they now contain per-face index
906      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
907      general, EXCH2 grids are only aligned to a "local" coordinate system
908    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
909    o Implement instantaneous output within pkg diagnostics:
910      setting a negative frequency in data.diagnostics produces
911     "snap-shot" output (as opposed to time-average if freq > 0)
912    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
913      NOTE: change ptracer diagnostics name: use 2 characters to work with
914            more than 9 tracers. Add also diagnostics of advect & diffus flux.
915    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
916      becomes the coordinate variable for the 'T' dimension
917    o add CF-style coordinate variables to MNC
918      - just a first cut:  numbers are meaningless on the cubesphere and
919        missing along the T axis but otherwise it works!
920    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
921    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
922    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
923      this is based directly on what the model compute, so that the content of
924      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
925    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
926    o clean up build options files for SunOS, in particular
927      - remove -traditional from xmakedepend
928      - change -xarch=v9 to -xarch=native for f77
929      - restore use of make (not gmake)
930      - add CC=gcc if using g77
931    o changes per discussion of AM, JMC, & EH3 today:
932      - move redundant "grid" variables out of "state" -- in preparation of
933        creating proper CF-style coordinate variables and in recognition
934        that any/all grid variables can be easily copied (eg. w/NCO) from
935        the grid files into any of the other NetCDF files
936      - *always* output grid variables with MDSIO (this will eventually be
937        changed)
938      - output MNC grid file if useMNC is true
939    o every instance of _END_MASTER() has been found and replaced with
940      _END_MASTER( myThid ) in order to satisfy certain picky Sun
941      preprocessors
942    o re-arrange diagnostics pkg initialisation:
943     - allow each package to extend the available diagnostics list
944     - add some checking and fix small problems (multi-threaded, ...)
945     - new S/R diagnostics_fill (replace fill_diagnostics):
946       look through the short list of active diag. (instead of the long list)
947       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
948    
949    checkpoint57a_post
950    o this set of changes restores TAMC compatibility
951      tested for global_ocean.90x40x15 adjoint on trough
952      (what a pain)
953    
954    checkpoint57a_pre
955    o some modifs in tools/build_options for sunos
956    o call ctrl_pack for ctrl at end for optimcycle=0
957    
958    checkpoint57
959    o add horizontal bi-harmonic viscosity for vertical velocity
960      - new parameter viscA4W (defaults to viscA4)
961      - affects only non-hydrostatic code
962      - to be done: no-slip lateral boundary conditions
963    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
964    o implement Implicit Vertical advection for pTracers
965    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
966      (implemented also for implicit vertical diffusion & advection)
967    o OBCS: extend application of tracer open boundary conditions
968      to a strip beyond the boundary of width Olx/Oly
969    o add call monitor to TAF set of required calls (flow directives)
970      and include in natl_box_adjoint
971    o untangle a few ifdefs related to cost, ctrl, autodiff
972      untangel a few ALLOW_ECCO_OPTIMIZATION
973    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
974      (theta2, salt2 in ecco_cost_weights)
975    
976    checkpoint56c_post
977    o OBCS as control variables
978      - update ctrl_ad_diff.list, obcs_ad_diff.list
979      - remove balance of obcs controls from default
980      - fix index bug nobcs in ctrl_init
981      - fix dummy fields filen in ctrl_pack
982      - add dummy weights for obcs
983    o lsopt: comment out fort.94 output
984    o optim:
985      - remove unnecessary header files
986      - adjusted namelists
987      - add xerbla.F to Makefile
988    o exf:
989      - multiple modifications of exf_check_range
990      - unit change in exf_init_runoff from [m/year] to [m/s]
991    o mdsio:
992      - i/o-vector change debugLevel from debLevA to debLevB
993    
994    checkpoint56b_post
995    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
996      is called from DO_THE_MODEL_IO
997      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
998      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
999      - clean up PTRACERS_WRITE_TIMEAVE a little
1000    o add another verification experiment that tests both the cfc-pkg and
1001      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1002      reactive tendencies treated inline with regular timestepping
1003    o testreport previously did a lousy job of comparing small numbers, so
1004      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1005      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1006      testreport.
1007    o ptracers_monitor: bug fix for MPI
1008    
1009    checkpoint56a_post
1010    o GCHEM: finish reorganizating the package
1011      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1012        (introduces another 3D-array for each passive tracer, but only if
1013        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1014        gchemTendency is not needed because the timestep is done separately)
1015      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1016      - GCHEM is now---more or less cleanly---separate from PTRACERS
1017      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1018        so clear to me how that should be done in a general way.
1019    o CFC: improve formatting of output in CFC_ATMOS
1020    o PTRACERS:
1021      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1022        that ALL experiments with ptracers enable can be checked. This makes
1023        GCHEM_MONITOR obsolete.
1024      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1025        monitorFreq
1026      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1027    o add PTRACERS (PTR0[1-5]) to testreport output
1028    o exf_check_range:
1029      * default changed to .TRUE.
1030      * will check values for niter0 if debLevA, every timestep if debLevB
1031      * STOP in exf_check_range if 'out of range'
1032      * range chosen generous to allow for potential extema
1033      TBD: a version with stricter range
1034           permitted range would be runtime parameters
1035  o GMredi:  o GMredi:
1036    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1037    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
# Line 11  o GCHEM: Line 1040  o GCHEM:
1040    - move call to GCHEM_FORCING_SEP, so that it is now called before    - move call to GCHEM_FORCING_SEP, so that it is now called before
1041      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1042    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
1043      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1044        this flag is now only visible within GCHEM-pkg routines.
1045      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1046        be replaced by a 3D array that is computed before thermodynamics; for
1047        this, the tracer ID iTracer had to be included into the parameter list
1048        of ptracers_forcing
1049      - set up forward_step to call gchem_forcing, that will replace
1050        gchem_forcing_int in ptracers_forcing
1051      - cleaning up
1052  o small cleaning of exch2: remove files that are also in eesupp/src  o small cleaning of exch2: remove files that are also in eesupp/src
1053    
1054  checkpoint56  checkpoint56

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