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revision 1.322 by jmc, Tue Jul 6 02:44:27 2004 UTC revision 1.683 by jmc, Mon Jun 19 15:56:42 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 pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
8    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
9       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
10    o tracer advection:
11     - clean-up and simplify calc_common_factors.F
12     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
13       advection subroutine (but still not used within DST advection S/R)
14    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
15    
16    checkpoint58j_post
17    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
18      from file (collects calls previously in FORWARD_STEP)
19    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
20    o adjoint store dir. adjusted accordingly
21    o genmake2
22      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
23    
24    checkpoint58i_post
25    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
26      on wind stress (SEAICEstressFactor defaults to 1.)
27    o Total number of Timers is finite (<=40): comment out 2 non-essential one
28      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
29    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
30      on CS-grid: no longer loosing mass.
31    o exf & curvilinear-grid: no longer modify longitude xC & xG.
32    o pkg/ggl90: fix sloppy output and fix a bug
33    o pkg/seaice: added SEAICEuseEVPpickup parameter
34      - Set to false in order to start EVP solver with
35        non-EVP pickup files when using SEAICEuseEVP
36      - fix sign error in diffusion in seaice_calc_rhs
37    
38    checkpoint58h_post
39    * Modifications for bottom topography control
40      o replace hFacC by _hFacC at various places
41      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
42      o add non-self-adjoint cg2d_nsa
43      o update autodiff support routines
44      o re-initialise hfac after ctrl_depth_ini
45      o works for 5x5 box, doesnt work for global_ocean.90x40x15
46    * Adding verification for 5x5 box (4-layer) bottom topography control
47    
48    checkpoint58g_post
49    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
50       used for mean seasonal cycle, mean diurnal cycle); add an example
51       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
52    o pkg/ggl90:
53      - add parameter (minimum surface kinetic energy)
54      - fix bug (avoiding division by zero)
55    o couple pkg/thsice to pkg/seaice:
56      - modify advection in seaice to accomodate new scalar fields to be advected
57      - only muliDimAdection scheme work with seaice/thsice
58      - mapping of thsice-variables to seaice-variables, back and forth
59      - does not break the verification experiments, but does not give the
60        desired results either
61    o pkg/seaice
62      - make (default) second order advection a bit less confusing?
63    
64    checkpoint58f_post
65    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
66      to pkg/seaice):
67      - new routines thsice_map_exf and thsice_get_exf provide the interface
68      - add an additional formal parameter to thsice_solve4temp
69    o pkg/exf:
70      - add new fields wspeed, snowprecip (to be able to couple to thsice)
71      - correct Stefan-Boltzmann constant
72      - new parameter for longwave surface emittance
73      - separate some stuff from exf_bulkformulae into new routines  
74        exf_radiation, exf_wind
75      - add new parameters and constants: longwave emissivity for ocean, ice
76        and snow, evaporation parameters over ice
77      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
78        either wind from stress or stress from wind
79    o pkg/thSIce:
80    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
81    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
82       and THSICE_CALC_THICKN
83    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
84    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
85      to make debugging easier.
86    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
87    o pkg/bulk_force:
88      - clean-up comments and parameters ;
89      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
90    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
91      generate new output for test-experiment: aim.5l_cs.thSI
92    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
93      testreport accordingly
94    
95    checkpoint58e_post
96    o SEAICE_CGRID adjoint done
97    o R_STAR adjoint implemented.
98      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
99      * need to sort out init. of h0facc, etc.
100    o Make pkg/profile fully independent of ecco,cost, etc. stuff
101      to be able to use it in pure forward.
102    
103    checkpoint58d_post
104    o upgrade simple test-experiment to tutorial example:
105     step.1: duplicate the experiment and (step.2) will remove the old copy.
106      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
107      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
108      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
109      tutorial_global_oce_biogeo    <- copy of dic_example
110      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
111      tutorial_plume_on_slope       <- copy of plume_on_slope
112      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
113      tutorial_global_oce_optim     <- empty for now (David ?)
114      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
115     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
116    o correct a sign problem in cost_scat.F
117    o obcs and ptracers: fix boundary conditions for advections schemes
118      with larger stencil
119    o thsice adjoint: start
120    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
121      completeness
122    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
123      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
124    o ptracers adjoint:
125      * avoid extensive recomputatations
126      * fix missing re-init. of gptr (missed by TAF)
127    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
128      me to turn off the excessive output to STDOUT that this package produces
129    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
130      and add those terms in Vector-Invariant formulation.
131    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
132      if the control period (xx_hfluxperiod etc) is 0
133    o in profiles pkg, clean routines and fix details
134    o in ecco pkg, reading ssh data:
135      fix problem in case the model does not start at iter0=0
136    o fix mnc-pickup/restart for ptracers
137    o new package prifiles:
138      code to compute profile-based cost by Gael Forget
139      (modifs in ecco, ctrl, autodiff)
140    o Benign bug fix in initialization (spotted by M. Mazloff) of
141      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
142    
143    checkpoint58c_post
144    o adjoint: finish NLFS adjoint and provide reference output in
145      verification/global_ocean.90x40x15/results_ad_nlfs
146    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
147      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
148      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
149      with SEAICE_CGRID defined.
150    o move calendarDumps from "data" to "data.cal" and clean-up the code
151      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
152    o add useEXF & useCAL flags (for now, set in hard-coded way)
153    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
154      (were missing in NH mode, and wrong in quasihydrostatic mode).
155      waiting for Chris updated version of calc_gw to add those CALLs.
156    o fix bug in quasihydrostatic S/R ;
157      add a test for this option: global_ocean.90x40x15.qshyd
158    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
159      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
160    o add on/off flag useOffLine for package OFFLINE
161    o seaice:
162      - modify advection so that it works also on the C-grid
163      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
164        problem in multi-tile runs with C-grid
165      - add flags for clipping ice velocities and/or masking solver forcing
166      - fix drag (ocean on ice) formulation and a bug that caused noise in the
167        C-grid solver
168      - added a few comments to seaice_diffusion.F
169      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
170        are now exclusive)
171      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
172        required re-ordering the code a little:
173       + make DAIRN global variable (defined in SEAICE)
174       + move computation of the viscosities eta and zeta into a new separate
175         routine (because I need to recompute them in seaice_ocean_stress.F)
176    
177    checkpoint58b_post
178    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
179      update output.txt of exp. aim.5l_cs.thSI
180    o various mnc cleanups and improvements:
181      + shrink lookup tables by factor of ~4
182      + better error reporting when running out of lookup space
183      + able to handle longer path/file names (up to 500 chars)
184    o adjoint:
185      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
186      - TBD: "hidden" mom_vecinv recomp. in dynamics
187    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
188     (allow to differentiate between forcing components using new integer flags:
189      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
190     and add new flag to put Dissipation tendency out of Adams-Bashforth.
191    o ecco
192      - enable trend removal from SSH anomaly obs.
193    o adjoint
194      - a fix for PmEpR when #undef EXACT_CONSERV
195      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
196      - try to fix "hidden" recomp. in forward_step for NLFS
197        (NLFS seems broken sometimes after I checked it in)
198    o seaice:
199     - add c-grid version of the dynamic solver:
200       + three new routines that are the c-grid substitute lsr, dynsolver
201         and ostres
202       + put a few fields that were local to dynsolver into global common
203         blocks, so that I can move the computation of stresses etc into
204         seaice_lsr (saves coding but may break the adjoint).
205     - replace more hardwired parameters by runtime parameters
206     - add ice masks that mask the rhs of the implicit solvers where there
207       is no ice (commented out in seaice_dynsolver, because i am not sure
208       if this works properly), eventually this should replace the clipping
209       of ice velocities in seaice_dynsolver to +/-40cm/s.
210    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
211      include it only where its needed
212    o move balancing of fluxes before the call of external_forcing_surf
213    o seaice:
214      - correct units of turning angles (now they are really in degrees)
215      - move computation of GWATX/Y out of main routine into dynsolver
216      - initialize GWATX/Y in seaice_init
217    o Apply mask on Fresh-Water flux (needed for SSH forcing).
218      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
219    o seaice: add runtime flags for turning angles (default to zero)
220    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
221      and trend from exf forcing and ctrl control adjustments
222    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
223      (since checkpoint57x_post)
224    o change the default rotation period to 86164.s = the Earth rotation
225    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
226      and based on a reference stratification. Tested within hs94.cs-32x32x5.
227    o seaice advection: add code for choosing between the default (2nd order
228      central differences) and multiDim advection schemes provided by
229      pkg/generic_advdiff
230    o seaice:
231      - removed all references to SEAICE_GRID.h fields from
232        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
233        (cubed-sphere configuration will change a little)
234      - grid computations in seaice_init are obsolete now.
235      - cleaned up code a little so that is easier to read (hopefully).
236      - added new (better?) discretizations of default advection and diffusion
237        (turn on with SEAICEuseFluxForm)
238      - replace 1 in 3d global fields by kSurface in growth.F
239      
240    checkpoint58a_post
241    o seaice:
242      - bug fix in advect.F
243    o shelfice:
244      - separate shelfice load anomaly from pload (breaks with time
245        dependent forcing), => introduce constant field shelficeLoadAnomaly.
246        Its default is 0., but it may be computed more cleverly from (unknown)
247        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
248        done offline. A good approximation of the pressure load anomaly is
249        necessary to avoid large initial adjustment processes underneath
250        deep-reaching shelfice.
251      - small fix in ISOMIP shelfice_thermodynamics
252      - add more sophisticated thermodynamics of Hellmer (1989), this is
253        now the default
254      - give a few constants more intuitive names
255    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
256      if bulk formulae are used in long integration (especially EmPmR). Turn
257      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
258      if balancePrintMean, the imbalance that is substracted is printed to
259      STDOUT.
260    o fix bug (typo) in obcs_apply_eta.F
261    o add a new package shelfice which enables us to model the circulation
262      underneath shelf-ice with draughts of hundreds of meters.
263     - works
264     - to do: + include improved thermodynamics
265              + check whether kSurfC (from model/inc/SURFACE.h) can be used
266                instead of new field kTopC
267              + can we use topoFile, Ro_surf and existing code in ini_depth.F
268                instead of new field R_shelfIce and new code in ini_depth.F
269                and ini_mask_etc.F?
270              + adjust vertical mixing schemes?
271    o seaice pkg:
272     - add a cpp-flag to include a simple formula for a salinity dependent
273       freezing point of sea water at the surface
274     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
275       meridional stresses are now different (and hopefully correct)
276    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
277       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
278       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
279    o pkg/diagnostics: add options and parameters for regional-statistics
280       diagnostics ; define regions by reading a region-mask from a file
281       (might add other options later)
282    o pkg/bulk_force:
283     - add option and parameters to use AIM surface-flux formulae.
284     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
285       others forcing fields (defined in PARM05, parameter file "data") are loaded
286       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
287     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
288     - use the right EXCH call for uwind,vwind (to work on CS-grid).
289     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
290       and parameters (note: calcWindStress replaces .NOT.readwindstress).
291     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
292    
293    checkpoint58
294    o add "--embed-source" option to genmake2 which, when the supporting
295      tools can be compiled (as determined by genmake2) will turn on the
296      embed_files package which then embeds the entire MITgcm source code
297      (*.[fFhc] + Makefile) used for the build within the executable
298      - requested by CNH but off by default
299      - adds a paltry <9MB to the mitgcmuv executable in most cases
300      - only writes the output when useEMBEDSRC in eedata is true
301    o clean up 3-dim. relaxation codes:
302      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
303      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
304      * Thanks to Tom Haine for testing!
305    
306    checkpoint57z_post
307    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
308      affects output (@ truncation level) of exp. plume_on_slope ; updated.
309    o fix the pickup behavior for obcs in combination with ptracers
310    o fix a bug in ptracers_external_fields_load
311    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
312      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
313    o transfered surface NH pressure to eta field (if exactConserv).
314    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
315         and update lab_sea output.txt file.
316    o completing 3-dim. relaxation code: additional term
317         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
318      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
319      * At compile time, in "EXF_OPTIONS.h" set
320          #define  ALLOW_CLIMTEMP_RELAXATION
321          #define  ALLOW_CLIMSALT_RELAXATION
322      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
323          tauThetaClimRelax3Dim = 15552000.0,
324          tauSaltClimRelax3Dim  = 15552000.0,
325      * 3 cases:
326          1) Use a constant-in-time 3-dim. field
327          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
328          3) Real-time relax. to time-evolving prescribed field
329    o Adding Laplacian-type smoothness constraint on
330      initial and boundary (forcing) controls (ic, bc)
331      * enable at compile-time via
332        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
333      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
334      * Absolute scale somewhat unclear so far
335      * no area weighting was included since no other cost term does so far
336    
337    checkpoint57y_post
338    First step for a NLFS adjoint
339    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
340    o new init. routines for calc_r_star, calc_surf_dr
341    o still need to deal with ini_masks_etc
342    o testreport seemed happy
343    checkpoint57y_pre
344    
345    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
346    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
347    o add new offset feature to offline pkg (plus minor cleanup)
348    o cfc fixes for final year of integration
349    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
350      be in GCHEM_OPTIONS).
351    
352    checkpoint57x_post
353    o fix testreport Pb in multiple test experiment.
354    o cleanup our namelist syntax in verification:
355      - make it more F95 standards compliant (some work still needed)
356      - allows the vast majority of our tests to work with gfortran
357    o Non-Hydrostatic:
358     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
359     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
360    o Allow to apply AB on T,S rather than on AB(gT,gS):
361     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
362     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
363       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
364     - need a "clever" read_pickup to restart from the other AB formulation
365    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
366    o remove some unused variables (reduces number of compiler warnings)
367    o adjoint
368      * Disable useVariableViscosity for adjoint for time being
369        (there are a number of extensive recomputations)
370      * Initialize certain variables needed for adjoint
371    
372    checkpoint57w_post
373    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
374                 fix the singleCpuIO RS version of MDSWRITEFIELD
375       and add a WARNING if using globalFiles=T with multi-processors.
376    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
377      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
378    o tracer advection scheme:
379      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
380       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
381       was not very convenient).
382      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
383       (further tests needed for the implicit DST & Flux-Limiter schemes).
384    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
385      and sRef for convenience, handy, when you want to initialize
386      ptracers in a large domain with a constant non-zero value. Also,
387      untangle ptracers_init.F a little.
388    
389    checkpoint57v_post
390    o change dome exp. to use variable viscosity in side-drag terms.
391    o remove all the files from the cfc_offline test since they are now
392      incorporated into tutorial_cfc_offline which has been producing
393      identical results for a few days of testing
394    o add new parameter: sideDragFactor to enable half-slip-side BC
395      and change side-drag S/R to use viscosity from mom_calc_visc
396      (can switch back by setting sideDragFactor=0.); affects results at
397      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
398       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
399    o vorticity & strain are now computed without masking, to account for
400      no-slip-side BC in variable viscosity calculation ; mask is applied
401      anyway later on, before computing advection/coriolis terms.
402    o modify exp4 to test new obcs support for reading from external files
403      and for passive tracers
404    o fix behavior of ptracers_monitor when monitor output is written to a
405      netcdf-file; still not independent of monitor.F (writes in the same
406      file).
407    o change default value of tRef (put a uniform, meaningful value for ocean
408      & atmos) and initialize sRef (was missing, as Martin mentioned).
409    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
410      to be proportional to enstrophy dissipation length.  Thus,
411       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
412      This is now consistent with Smagorinsky and with the manual.
413    
414    checkpoint57u_post
415    o OBCS and PTRACERS: add open boundary support for passive tracers
416      - either use homogenous (pseudo) v.Neumann conditions or prescribe
417        OB-values from file; this is not different from the way theta and salinity
418        are treated
419      - however, Orlanski-radiation conditions are not supported, and the model
420        will stop if you use pTracers and Orlanski at the same time.
421      - beefed up the rountine obcs_external_fields_load: now only those open
422        boundary values are overwritten with values from files for which there
423        are really files, otherwise the OB-fields remain untouched. This makes
424        it possible to use different OBs at different ends of the domain (as
425        with EXF)
426    o reduce number of exch calls in shap_filt (s2).
427    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
428      truncation level) 4/5 MLAdjust test results (11&12 digits match).
429    
430    checkpoint57t_post
431    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
432    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
433      same truncation, independent of the face number: affects affects several
434      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
435    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
436      note that biharmonic viscosity + no-slip was not tested in any experiment.
437    o fix bug in non-linear free-surf side-drag ; generate new output for
438      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
439    o make mnc honor the writeBinaryPrec flag for most kinds of output
440    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
441    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
442      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
443    o add brackets in multi-terms sum to get same truncation, independent of
444      the face number (manage to get exactly same value of gU,gV at the cs-edge)
445      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
446    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
447      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
448      a maximum grid-scale Reynolds number.  Also, changes all length calculations
449      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
450      Suggested values of viscosity parameters found in mom_calc_visc.
451      Many new viscosity diagnostics available.
452    
453    checkpoint57s_post
454    o Add clearing-house for viscosity calculations, mom_calc_visc and
455      correct numerous bugs in LeithD and Smagorinsky discretizations.  
456      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
457      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
458      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
459      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
460      The Strain-Tension form is now called with useStrainTensonVisc=.true.
461      ViscAhStrain and viscAhTension are now retired.
462    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
463    o In response to JMC's bug report, genmake2 now ignores any soft-links
464      that it finds in the *current* directory when searching for files.
465      Soft-links found in any other source directories will still work as
466      they did before.
467    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
468      a C routine to unlimit the stack size
469    o mnc-ify pkg/aim snapshot vars
470    o mnc-ify pkg/land as requested by Daniel
471    o various changes to mnc including:
472      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
473      - output can now be grouped so that all files within a group
474          change the ITER portion of their names in lock-step together
475      - can now read ("global") PER-FACE (in addition to PER-TILE) files
476          and works with both EXCH1 and EXCH2 (but needs more testing)
477      - writing works for all verification test cases w/ g77 on Linux
478    
479    checkpoint57r_post
480    o make MNC variable initialization happen earlier
481    o add diagnostics for (almost) each term of the momentum Eq.
482    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
483    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
484    o remove MINIMAL_TAVE_OUTPUT option ;
485      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
486    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
487      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
488    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
489    o add time-dependent SST, SSS control
490    o cost terms in ecco/ modularized (new cost_generic.F)
491    o cost_averages routines are modularized (new cost_averagesgeneric.F)
492    o new infrastructure for seaice model vs. obs misfits in seaice/
493      * driver from the_main_loop.F is seaice_cost_driver.F
494      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
495      * gradient check in Exp. 6a of natl_box_adjoint/
496    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
497      (see README file)
498    
499    checkpoint57q_post
500    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
501    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
502      - bug was reported by Jean-Michel and Ian Fenty
503    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
504      update exp. cpl_aim+ocn output.
505    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
506      Needed for high-res. runs with large global files
507      to be able to limit tapelev size
508    o Changed some tests for adjoint:
509      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
510      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
511      * global_ocean.90x40x15/ back to default 3-level checkpointing
512    o Modifications to enable scripted COMMON to MODULE conversion
513      * verification/OpenAD/code/ has necessary scripts and description;
514      * converts, compiles and runs successfully;
515    
516    checkpoint57p_post
517    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
518    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
519      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
520    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
521    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
522      (was already the case for dissipation with mom_vecinv,
523       and also the case for grad.PhiHyd when staggered-timeStep)
524      This will allow to put dissipation out-off the AB time-stepping.
525     Unfortunately, affects truncation error. Update output of exp. that "fails"
526      (cg2d matching number) and leave the others for later: front_relax(10),
527      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
528      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
529    
530    checkpoint57o_post
531    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
532      (2) its ready to be documented during the 20050801 DocFest
533    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
534      for ideal_2D_oce and lab_sea on linux_ia32_g77
535    o set to #undef CTRL_SET_OLD_MAXCVARS_30
536      in global1x1_tot/code_seaice_adj to access indices 32, 33
537      (worth another tag)
538    
539    checkpoint57n_post
540    o adding precip control xx_precip 32
541    o adding swflux control xx_swflux 33
542    o Replacing 10 forcing penalty cost routines by 1 generic.
543    o Implementing partitioning in time-mean and variable adjustment
544      for atmos. state.
545    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
546    o in natl_box_adjoint:
547      * updated exp 1 to 10
548        (but does not have time-mean vs. variable split results yet)
549    o updated global1x1/*_seaice_adj/
550      to incorporate latest changes
551    o enable useSingleCpuIO for mdsio vector routines
552      (applies in particular to tapelev I/O)
553    o removed inefficient K-loop in all active_file*control*.F
554    
555    checkpoint57m_post
556    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
557      and advect_cs (use EXCH-2 and standard cs-32 grid files).
558    o pkg/exch2: filling of face-corner halo regions is optional
559      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
560    
561    checkpoint57l_post
562     tag before updating tutorials (pre-release-2)
563    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
564       for output and interpolation of input fields onto model grid)
565    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
566       Affects results of exp. rotating_tank ; update output.txt.
567    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
568          and taking the square quantity and/or using a fraction-weight field.
569    o fix aim_diagnostics_init.F mate numbers.
570    o add mnc output capability to diagnostics/diagstat and update
571      our cvsignore files for the ACSII output generated
572    
573    checkpoint57k_post
574    o lab_sea now uses diagnostics package and provides a suite of
575      new EXF diagnostics output.
576    
577    checkpoint57j_post
578    o exf
579      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
580        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
581        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
582      * extended diagnostics output
583        - now includes all EXF variables
584        - hs, hl moved to common block
585        - separate S/R for diagnostics, called after ctrl vector is added
586        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
587        - EXFqnet contains true Qnet (i.e. includes qsw)
588      * updated verif. lab_sea, global_with_exf
589      * Rearranging hflux (exf_mapfields -> exf_getforcing)
590        to ensure that diagnostics sees a true EXFqnet
591    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
592    o diagnostics pkg: change pointers so that 1 diagnostic can be used
593      several times with different frequencies.
594    o mnc-ify the thsice package as requested by Daniel Enderton
595      - the monitor--MNC output needs work
596      - many attributes need to be added (most are currently blank)
597    o mnc-ify theaim_v23 package as requested by Daniel Enderton
598      - many attributes need to be added (most are currently blank)
599    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
600    o add Sadourny like discretization to the 4th.O vorticity advection scheme
601    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
602      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
603         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
604    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
605     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
606    
607    checkpoint57i_post
608    o Diagnostics package was changed: diagnostic allocation is now deactivated
609      by setting an empty file name in the namelist (used to be by setting 0 frequency)
610    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
611      add 1rst Order upwind vertical Shear.
612    o add a quick fix for A/B checkpointing in OFFLINE mode
613    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
614      end-run around the C/Fortran linking horror in eesup/src/timers.F
615    o added pkg/runclock: allows user to terminate run based on wall clock
616    o added non-hydrostatic scaling parameter: nh_am2
617    o pkg/my82: futile attempt to make results compiler-independent by adding
618      some "_d 0", etc. no effect.
619    o for mnc output, fill the 'T' coordinate var with myTime and create a
620      separate 'iter' variable for iteration count
621    o pkg/diagnostics:
622      add new capability: output of Global/Regional & per-level statistics ;
623      tested against monitor output (including land & thSIce) on various exp.
624    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
625    
626    checkpoint57h_done
627      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
628      data.diagnostics, data.gchem, data.ptracers) is done.
629    
630    o pkg/diagnostics: prepare for Global/Regional statistics.
631      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
632    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
633      and rename it: DIFFERENT_MULTIPLE
634    
635    checkpoint57h_post
636    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
637    o pkg/diagnostics: change output frequency, now in seconds (instead
638      of Nb of iterations). This requires to change data.diagnostics.
639    checkpoint57h_pre
640    
641    o in mnc, let the user create the output dir if both mnc_outdir_date
642      and mnc_outdir_num are false
643    o add fflags() to pkg/diagnostics which allows one to specify, on a
644      per-file basis, the file precision [default behavior is unchanged]
645    o added diagnostics to pkg/kpp, including computation of mixed layer
646      depth based on a temperature/density criterion
647    o updated verification/natl_box to test the new pkg/kpp diagnostics
648    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
649    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
650    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
651      not mnc -- this mistake was found by JMC and is now corrected
652    
653    checkpoint57g_post
654    o add Adams-Bashforth 3rd Order time stepping:
655      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
656      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
657    checkpoint57g_pre
658    
659    o make lambda[Theta,Salt]ClimRelax spatially varying
660      (default remains spatially uniform constant based on tau)
661    o added new control variables
662      * init. uVel, vVel, etanN
663      * lambda[Theta,Salt]ClimRelax
664    o separate masks used for ctrl_pack/unpack 'from write_grid' output
665      (suggested by G. Forget)
666    
667    checkpoint57f_post
668    o add parameter "baseTime" = model base time = time at iteration zero
669      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
670      account for baseTime shift
671    o move Coriolis arrays from PARAMS.h to GRID.h
672    checkpoint57f_pre
673    
674    o mnc-ifying the seaice package
675    o introduced an alternative length scale calculation for use in the limiting
676      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
677    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
678    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
679      as well as grad(vort3).  Made it compatible with both approximate form
680      for the cubed sphere and full form of these gradients.  Added flag
681      useFullLeith to select between approximate and full form.  
682    o add "d0" in getcon.F to reduce differences between compilers/platforms
683      update output.txt of exp. fizhi-gridalt-hs
684    o change port_rand funtion to allow to set the seed.
685    o fix obscure MNC bug involving conversion between reals and integers
686      - it caused no problems with certain (eg. gcc, ifc) compilers but the
687        new version is now more standards-compliant
688    o adjoint-related modifications
689      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
690      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
691      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
692    
693    checkpoint57e_post
694    o Adding eddy stress controls a la Ferreira et al.
695    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
696    
697    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
698      update output.txt of exp. fizhi-gridalt-hs
699    o add more "Z" dimensions and associated coordinate vars to MNC
700    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
701    o parameter calendarDumps: when set, approximate months (30-31 days) and years
702      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
703      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
704      months and years.  Requires pkg/cal.
705    o diagnostics: add pickup functionality
706      - off by default for backwards compatibility
707      - current version only uses MDSIO -- MNC will be added
708    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
709    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
710    
711    checkpoint57d_post
712    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
713    o modify verification/ideal_2D_oce so that it tests the creation of mnc
714      output from the diagnostics package
715    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
716    o make genmake2 more portable by using ".$FS" instead of ".f" for more
717      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
718    o add coordinate variables to the MNC output from the diagnostics package
719    o change MNC-flags default value: true when useMNC=TRUE
720    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
721      the ability (off by default) to read the grid information using MNC
722    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
723    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
724    o do snap-shot diagnostics at the middle of the time-interval (instead of
725      at the end).
726    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
727      new test for AIM with thSIce + slab-ocean
728    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
729    o move state variable diagnostics to the beginning of the time step ;
730      (note: still needs some work specially for snap-shot diagnostics)
731      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
732    
733    checkpoint57c_post
734    o Change testing option (-ieee) to get closer agreement between g77 & ifort
735    o generate new output.txt files on faulks with g77 & the new -ieee option
736    checkpoint57c_pre
737    
738    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
739      update output.txt of exp. global_ocean.90x40x15
740    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
741      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
742    o add saltFlux(+File) forcing capability with periodicExternalForcing
743    o allow to use pkg diagnostics for GM-Redi & ThSIce output
744    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
745    o improvements for the MNC output from DIAGNOSTICS:
746      - correct handling of the unlimitied dimension
747      - all dims now have associated coordinate variables
748      - variables located at U, V, and Corner ("Z") points are now written
749        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
750        *all* data points are output
751    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
752    o added pkg/seaice/seaice_monitor.F
753    o mdsio_readfield.F can now read files visible only to master MPI process.
754    o pkg/seaice: some test code for ice-modified ocean stress
755    o exf_getffields interpolation defaults to bilinear for all scalar forcing
756      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
757      spurious negative numbers for precipitation and humidity.  Will cause
758      some small numerical differences for integrations using pkg/exf/exf_interp.F.
759    o pkg/ctrl/
760      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
761        May be enabled via doPackDiag
762      *  introduce z-scaling of
763         + gradient (doZscalePack) and
764         + control (doZscaleUnpack)
765    o pkg/mdsio/
766      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
767      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
768    
769    checkpoint57b_post
770    o simplify options in diagnostics_fill arguments (remove weird combinations)
771    o fix MNC coordinate variables so that they now contain per-face index
772      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
773      general, EXCH2 grids are only aligned to a "local" coordinate system
774    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
775    o Implement instantaneous output within pkg diagnostics:
776      setting a negative frequency in data.diagnostics produces
777     "snap-shot" output (as opposed to time-average if freq > 0)
778    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
779      NOTE: change ptracer diagnostics name: use 2 characters to work with
780            more than 9 tracers. Add also diagnostics of advect & diffus flux.
781    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
782      becomes the coordinate variable for the 'T' dimension
783    o add CF-style coordinate variables to MNC
784      - just a first cut:  numbers are meaningless on the cubesphere and
785        missing along the T axis but otherwise it works!
786    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
787    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
788    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
789      this is based directly on what the model compute, so that the content of
790      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
791    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
792    o clean up build options files for SunOS, in particular
793      - remove -traditional from xmakedepend
794      - change -xarch=v9 to -xarch=native for f77
795      - restore use of make (not gmake)
796      - add CC=gcc if using g77
797    o changes per discussion of AM, JMC, & EH3 today:
798      - move redundant "grid" variables out of "state" -- in preparation of
799        creating proper CF-style coordinate variables and in recognition
800        that any/all grid variables can be easily copied (eg. w/NCO) from
801        the grid files into any of the other NetCDF files
802      - *always* output grid variables with MDSIO (this will eventually be
803        changed)
804      - output MNC grid file if useMNC is true
805    o every instance of _END_MASTER() has been found and replaced with
806      _END_MASTER( myThid ) in order to satisfy certain picky Sun
807      preprocessors
808    o re-arrange diagnostics pkg initialisation:
809     - allow each package to extend the available diagnostics list
810     - add some checking and fix small problems (multi-threaded, ...)
811     - new S/R diagnostics_fill (replace fill_diagnostics):
812       look through the short list of active diag. (instead of the long list)
813       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
814    
815    checkpoint57a_post
816    o this set of changes restores TAMC compatibility
817      tested for global_ocean.90x40x15 adjoint on trough
818      (what a pain)
819    
820    checkpoint57a_pre
821    o some modifs in tools/build_options for sunos
822    o call ctrl_pack for ctrl at end for optimcycle=0
823    
824    checkpoint57
825    o add horizontal bi-harmonic viscosity for vertical velocity
826      - new parameter viscA4W (defaults to viscA4)
827      - affects only non-hydrostatic code
828      - to be done: no-slip lateral boundary conditions
829    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
830    o implement Implicit Vertical advection for pTracers
831    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
832      (implemented also for implicit vertical diffusion & advection)
833    o OBCS: extend application of tracer open boundary conditions
834      to a strip beyond the boundary of width Olx/Oly
835    o add call monitor to TAF set of required calls (flow directives)
836      and include in natl_box_adjoint
837    o untangle a few ifdefs related to cost, ctrl, autodiff
838      untangel a few ALLOW_ECCO_OPTIMIZATION
839    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
840      (theta2, salt2 in ecco_cost_weights)
841    
842    checkpoint56c_post
843    o OBCS as control variables
844      - update ctrl_ad_diff.list, obcs_ad_diff.list
845      - remove balance of obcs controls from default
846      - fix index bug nobcs in ctrl_init
847      - fix dummy fields filen in ctrl_pack
848      - add dummy weights for obcs
849    o lsopt: comment out fort.94 output
850    o optim:
851      - remove unnecessary header files
852      - adjusted namelists
853      - add xerbla.F to Makefile
854    o exf:
855      - multiple modifications of exf_check_range
856      - unit change in exf_init_runoff from [m/year] to [m/s]
857    o mdsio:
858      - i/o-vector change debugLevel from debLevA to debLevB
859    
860    checkpoint56b_post
861    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
862      is called from DO_THE_MODEL_IO
863      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
864      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
865      - clean up PTRACERS_WRITE_TIMEAVE a little
866    o add another verification experiment that tests both the cfc-pkg and
867      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
868      reactive tendencies treated inline with regular timestepping
869    o testreport previously did a lousy job of comparing small numbers, so
870      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
871      implemented in the little c-progam tmp_cmpnum.c which is embedded in
872      testreport.
873    o ptracers_monitor: bug fix for MPI
874    
875    checkpoint56a_post
876    o GCHEM: finish reorganizating the package
877      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
878        (introduces another 3D-array for each passive tracer, but only if
879        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
880        gchemTendency is not needed because the timestep is done separately)
881      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
882      - GCHEM is now---more or less cleanly---separate from PTRACERS
883      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
884        so clear to me how that should be done in a general way.
885    o CFC: improve formatting of output in CFC_ATMOS
886    o PTRACERS:
887      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
888        that ALL experiments with ptracers enable can be checked. This makes
889        GCHEM_MONITOR obsolete.
890      - include a runtime parameter PTRACERS_monitorFreq that defaults to
891        monitorFreq
892      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
893    o add PTRACERS (PTR0[1-5]) to testreport output
894    o exf_check_range:
895      * default changed to .TRUE.
896      * will check values for niter0 if debLevA, every timestep if debLevB
897      * STOP in exf_check_range if 'out of range'
898      * range chosen generous to allow for potential extema
899      TBD: a version with stricter range
900           permitted range would be runtime parameters
901    o GMredi:
902      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
903      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
904      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
905    o GCHEM:
906      - move call to GCHEM_FORCING_SEP, so that it is now called before
907        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
908      - introduced a useGCHEM runtime flag and applied it everywhere.
909      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
910        this flag is now only visible within GCHEM-pkg routines.
911      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
912        be replaced by a 3D array that is computed before thermodynamics; for
913        this, the tracer ID iTracer had to be included into the parameter list
914        of ptracers_forcing
915      - set up forward_step to call gchem_forcing, that will replace
916        gchem_forcing_int in ptracers_forcing
917      - cleaning up
918    o small cleaning of exch2: remove files that are also in eesupp/src
919    
920    checkpoint56
921    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
922    o mnc: cleanup "full" files--fixes out-of-memory problem
923    o ECCO-GODAE
924      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
925      * fully merged and updated from SIO code
926        windstress sign change affects
927        - exf_inscal_[u/v]stress
928        - sign of xx_tau[u/v] adjustments
929        - signs in cost_scat
930      * ctrl_get_gen: avoid update of tau[u/v] for first few days
931      * natl_box_adjoint updated and compressed
932      * 2-level checkpoint switch added
933        (tested in EXP. 1 of natl_box_adjoint)
934      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
935    o SVD
936      * first complete, non-hacked version for SVD calculations
937      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
938        performed via direct access files admtlm_vector.it????
939        (via ctrl_[un]pack)
940      * optimcycle is used for ARPACK iteration counter
941        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
942      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
943        and add linear transforms where necessary
944      * controls are initial/final SST, SSS (can be extended; need to check
945        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
946    o mdsio: filename info to both stderr, stdout
947    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
948      from sign change
949    
950    checkpoint55j_post
951    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
952      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
953    o add consistent build directories and .cvsignore files to verification
954    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
955    o make all subroutines 30 or less characters in length for certain older
956      compilers to work (a thorough search only turns up two routines in
957      pkg/ptracers)
958    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
959      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
960    
961    checkpoint55i_post
962    o change arrays for total vertical diffusivity (2.D if explicit,
963      3.D if implicit) ; each ptracer uses its own background value.
964    o added mnc/NetCDF output capability to ocn_compon_interf
965      - added bits to verification/cpl_aim+ocn so that it can run on
966        ITRDA and other clusters without the mpirun "-wd" option
967    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
968      configuration
969    o give MNC the ability to create additional files rather than
970      exceeding a specified file size limit "MNC_MAX_FILESIZE"
971      - the default is just less than 2GB which is a practical limit
972        on many systems
973    o Compute the non-local term using either KPP vertical diffusivity (=default)
974       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
975    
976    checkpoint55h_post
977    o add verification test "vermix"
978    o remove all the *_ioinc flags and replace with the single global
979      outputTypesInclusive flag
980    o allow to set a vertical profile of vertical diffusivity for T & S
981    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
982    o useMNC moved from data.mnc to data.pkg
983    
984    checkpoint55g_post
985    o Renaming carbon AD experiments to comply with testreport conventions
986    o Updating adjoint of Held-Suarez hs94.1x64x5
987    o Fixing directives for non-ECCO forward_step, after ECCO directives
988      have been fixed to avoid recomp. of do_oceanic_phys
989      Works well for global_ocean.90x40x15,
990      but recomp. issue remains for carbon
991    o Updating adjoint output for natl_box_adjoint after
992      pkg/ecco has been modified (see taga c55d_post)
993    
994    checkpoint55f_post
995    o rename to timeave_init_fixed
996    
997    checkpoint55e_post
998    o some delicate re-shuffle of store directives to avoid one
999      extra call of do_oceanic_physics
1000      affects ecco_the_main_loop.F, do_oceanic_physics.F
1001      checkpoint_lev1_directives.h
1002    o NB: this may break global_ocean adjoint temporarily,
1003      but it is clear how to fix it. Will do later, need this now.
1004    
1005    checkpoint55d_post
1006    o ECCO specific cost function terms (up-to-date with 1x1 runs)
1007    o ecco_cost_weights is modified to 1x1 runs
1008    o modifs to allow observations to be read in as
1009      single file or yearly files
1010    o enable to read exf forcing fields as either
1011      single file or yearly files (flag useExfYearlyFields)
1012    checkpoint55d_pre
1013    
1014    o switch between 2-level and 3-level checkpointing
1015    o add ability of MNC to write local and "partial" (eg. 2D slices where
1016      the full 3D field is never actually stored) arrays to NetCDF files
1017      with the correct (that is, the complete multi-dimensional) set of
1018      array indicies
1019      - used in mom_vecinv() to write the diagFreq output
1020      - tested (demonstrated) in verification/aim.5l_cs
1021    o further mnc-ification
1022      - add verification/lab_sea to the list with mnc setups
1023      - fix undefined mnc v-names in cd_code
1024      - add kpp to mnc output (both snapshot and timeave)
1025    o non-hydrostatic code
1026      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1027        in calc_gw.F
1028      - defaults to viscAh
1029      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1030        friction or Leith) in non-hydrostatic mode, as long as there is
1031        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1032    o pkg/cost
1033      extend simple cost functions to treat time mean quantities
1034      (T,U,V) via cost_accumulate_state from cost_tile
1035    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1036        be 2 times larger than the minimum size the advection scheme requires.
1037        now get a perfect conservation of salt in advect_cs test-exp (updated)
1038    o GGL90 (Gaspar's TKE mixed layer)
1039      - add horizontal diffusion of TKE, requires exchanges in
1040        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1041        default. In OPA there is no horizontal diffusion of TKE but the
1042        mixing coefficients are computed from a horizontal average of TKE of
1043        6 points or so. I think that diffusion has a little more physical
1044        justification.
1045      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1046        was in vain)
1047      - mask tke-variable in ggl90_init
1048    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1049    o fix biharmonic diffusion on CS-grid.
1050    o more obcs stuff
1051      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1052        for reading boundary values. This routine is called from
1053        obcs_prescribe_read
1054      - updated obcs_check
1055      - changed sponge layer relaxation parameter units for days to seconds
1056      - turned off sponge layer by default
1057      - changed argument list of OBCS_CALC to myTime+deltaTclock
1058      - fixed about 35 bugs in obcs_external_fields_load
1059    
1060    checkpoint55c_post
1061    o obcs stuff
1062      - new runtime flags useOBCSprescribe, useOBCSbalance
1063      - re-arranged obcs_calc
1064      - moved exf_getobcs to obcs_prescibe_read
1065        obcs_prescibe_read is called after ORLANSKI stuff
1066        and independent of it (executable can contain all).
1067      - updated obcs_check
1068      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1069        These may be necessary only if tangential velocities are
1070        prescribed at OB, not sure, needs testing.
1071    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1072      which simplifies the calls and passes the ifc check-bounds test
1073    
1074    checkpoint55b_post
1075    o add a 2D scalar, Z location, exchange_2 routine.
1076    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1077      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1078      affects advect_cs results (for the wrong reason): update output.txt
1079    o use a more standard discretization for biharmonic viscosity ;
1080     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1081      affects results of dome set-up: update output.txt
1082    o fix gad_advection.F (CubedSphere part), back to version 1.23
1083    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1084    
1085    checkpoint55a_post
1086    o merged code to
1087      * prescribe/read time-dependent open boundaries
1088        (works in conjunction with exf, cal)
1089      * sponge layer code for open boundaries
1090      * each boundary N/S/E/W now has its own CPP option
1091        (healthy for the adjoint)
1092    
1093    checkpoint55
1094    o up-to-date adjoint of previous breaks
1095      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1096      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1097      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1098      - carbon: * remove tr1-related adjoint verification
1099                * add ptracer as control variable
1100    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1101      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1102    
1103    checkpoint54f_post
1104    o in verification/carbin/ remove experiment related to
1105      ALLOW_PASSIVE_TRACER (array tr1 etc)
1106      code_ad/ input_ad/ results_ad
1107    
1108    o add two new packages
1109      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1110        + subject to optimization (memory)
1111      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1112        + subject to reordering (many GOTOs in the original code)
1113        + so far opps is called for every (i,j) point, and then operates in
1114          the vertical; one may want to reorder the scheme in order operate in
1115          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1116          fields)
1117    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1118      - all verification tests compile and run with linux_ia32_g77
1119      - defaults are compatible with current input files--nothing
1120        should change if you were not previously using MNC
1121      - MNC output has been added in numerous places (eg. timeave)
1122        but there are still a few writes not yet do-able with MNC
1123        (this is in progress)
1124      - flags now allow for either/or/both use of MDSIO and MNC and
1125        documentation will soon follow
1126      - numerous small formatting cleanups for ProTeX
1127    o add version info (via BUILD_INFO.h) to MNC and stdout
1128    
1129    checkpoint54e_post
1130    o add two new packages
1131      - pp81 (Packanowski and Philander, 1981), Richardson number and
1132        stratification dependent mixing
1133      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1134      - these scheme operate in a similar manner as KPP (without ghat, of
1135        course), however there is only one diffusivity that is used for both
1136        temperature and salinity (and passive tracers)ç
1137    o add offline package
1138    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1139      provided by Stephanie Dutkiewicz
1140    o genmake2: add ability to search for C compilers and cleanup test output
1141      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1142    
1143    checkpoint54d_post
1144    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1145    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1146      leading to additional shift by 5 days each year of integration
1147       (i.e. leading to considerable offset over the years)
1148    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1149    o start with no AB and no initial filtering (staggerTimeStep):
1150      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1151    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1152      (external loading & cpl import/export stay in forward_step.F)
1153    o update coupling interface to work with new staggerTimeStep
1154    o change MDSIO ptracers_pickup.
1155    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1156    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1157    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1158    
1159    checkpoint54c_post
1160    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1161      this affects (truncation error) output.txt of test-exp:
1162       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1163    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1164    o change Qnet to always be the net heat flux, (+upward).
1165      affects (truncation error) output of natl_box exp.: updated
1166    o define the max number of passive tracers in PTRACERS_SIZE.h
1167    o start to test mnc routinely in exp0
1168    o add sea-ice loading (sIceLoad) as a new forcing field.
1169    
1170    checkpoint54b_post
1171    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1172       impressive on Altix and Opteron systems)
1173    o diagnostics can now write NetCDF files through the mnc package
1174    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1175    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1176    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1177      affects (truncation error) output of lab_sea & natl_box exp.: updated
1178    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1179    
1180  checkpoint54a_post  checkpoint54a_post
1181  o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).  o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1182  o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)  o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)

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