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revision 1.300 by heimbach, Fri May 21 21:48:53 2004 UTC revision 1.672 by dimitri, Thu Jun 8 23:09:55 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/ggl90: fix sloppy output and fix a bug
8    o pkg/seaice: added SEAICEuseEVPpickup parameter
9      - Set to false in order to start EVP solver with
10        non-EVP pickup files when using SEAICEuseEVP
11    
12    checkpoint58h_post
13    * Modifications for bottom topography control
14      o replace hFacC by _hFacC at various places
15      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
16      o add non-self-adjoint cg2d_nsa
17      o update autodiff support routines
18      o re-initialise hfac after ctrl_depth_ini
19      o works for 5x5 box, doesnt work for global_ocean.90x40x15
20    * Adding verification for 5x5 box (4-layer) bottom topography control
21    
22    checkpoint58g_post
23    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
24       used for mean seasonal cycle, mean diurnal cycle); add an example
25       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
26    o pkg/ggl90:
27      - add parameter (minimum surface kinetic energy)
28      - fix bug (avoiding division by zero)
29    o couple pkg/thsice to pkg/seaice:
30      - modify advection in seaice to accomodate new scalar fields to be advected
31      - only muliDimAdection scheme work with seaice/thsice
32      - mapping of thsice-variables to seaice-variables, back and forth
33      - does not break the verification experiments, but does not give the
34        desired results either
35    o pkg/seaice
36      - make (default) second order advection a bit less confusing?
37    
38    checkpoint58f_post
39    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
40      to pkg/seaice):
41      - new routines thsice_map_exf and thsice_get_exf provide the interface
42      - add an additional formal parameter to thsice_solve4temp
43    o pkg/exf:
44      - add new fields wspeed, snowprecip (to be able to couple to thsice)
45      - correct Stefan-Boltzmann constant
46      - new parameter for longwave surface emittance
47      - separate some stuff from exf_bulkformulae into new routines  
48        exf_radiation, exf_wind
49      - add new parameters and constants: longwave emissivity for ocean, ice
50        and snow, evaporation parameters over ice
51      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
52        either wind from stress or stress from wind
53    o pkg/thSIce:
54    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
55    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
56       and THSICE_CALC_THICKN
57    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
58    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
59      to make debugging easier.
60    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
61    o pkg/bulk_force:
62      - clean-up comments and parameters ;
63      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
64    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
65      generate new output for test-experiment: aim.5l_cs.thSI
66    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
67      testreport accordingly
68    
69    checkpoint58e_post
70    o SEAICE_CGRID adjoint done
71    o R_STAR adjoint implemented.
72      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
73      * need to sort out init. of h0facc, etc.
74    o Make pkg/profile fully independent of ecco,cost, etc. stuff
75      to be able to use it in pure forward.
76    
77    checkpoint58d_post
78    o upgrade simple test-experiment to tutorial example:
79     step.1: duplicate the experiment and (step.2) will remove the old copy.
80      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
81      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
82      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
83      tutorial_global_oce_biogeo    <- copy of dic_example
84      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
85      tutorial_plume_on_slope       <- copy of plume_on_slope
86      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
87      tutorial_global_oce_optim     <- empty for now (David ?)
88      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
89     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
90    o correct a sign problem in cost_scat.F
91    o obcs and ptracers: fix boundary conditions for advections schemes
92      with larger stencil
93    o thsice adjoint: start
94    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
95      completeness
96    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
97      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
98    o ptracers adjoint:
99      * avoid extensive recomputatations
100      * fix missing re-init. of gptr (missed by TAF)
101    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
102      me to turn off the excessive output to STDOUT that this package produces
103    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
104      and add those terms in Vector-Invariant formulation.
105    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
106      if the control period (xx_hfluxperiod etc) is 0
107    o in profiles pkg, clean routines and fix details
108    o in ecco pkg, reading ssh data:
109      fix problem in case the model does not start at iter0=0
110    o fix mnc-pickup/restart for ptracers
111    o new package prifiles:
112      code to compute profile-based cost by Gael Forget
113      (modifs in ecco, ctrl, autodiff)
114    o Benign bug fix in initialization (spotted by M. Mazloff) of
115      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
116    
117    checkpoint58c_post
118    o adjoint: finish NLFS adjoint and provide reference output in
119      verification/global_ocean.90x40x15/results_ad_nlfs
120    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
121      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
122      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
123      with SEAICE_CGRID defined.
124    o move calendarDumps from "data" to "data.cal" and clean-up the code
125      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
126    o add useEXF & useCAL flags (for now, set in hard-coded way)
127    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
128      (were missing in NH mode, and wrong in quasihydrostatic mode).
129      waiting for Chris updated version of calc_gw to add those CALLs.
130    o fix bug in quasihydrostatic S/R ;
131      add a test for this option: global_ocean.90x40x15.qshyd
132    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
133      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
134    o add on/off flag useOffLine for package OFFLINE
135    o seaice:
136      - modify advection so that it works also on the C-grid
137      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
138        problem in multi-tile runs with C-grid
139      - add flags for clipping ice velocities and/or masking solver forcing
140      - fix drag (ocean on ice) formulation and a bug that caused noise in the
141        C-grid solver
142      - added a few comments to seaice_diffusion.F
143      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
144        are now exclusive)
145      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
146        required re-ordering the code a little:
147       + make DAIRN global variable (defined in SEAICE)
148       + move computation of the viscosities eta and zeta into a new separate
149         routine (because I need to recompute them in seaice_ocean_stress.F)
150    
151    checkpoint58b_post
152    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
153      update output.txt of exp. aim.5l_cs.thSI
154    o various mnc cleanups and improvements:
155      + shrink lookup tables by factor of ~4
156      + better error reporting when running out of lookup space
157      + able to handle longer path/file names (up to 500 chars)
158    o adjoint:
159      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
160      - TBD: "hidden" mom_vecinv recomp. in dynamics
161    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
162     (allow to differentiate between forcing components using new integer flags:
163      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
164     and add new flag to put Dissipation tendency out of Adams-Bashforth.
165    o ecco
166      - enable trend removal from SSH anomaly obs.
167    o adjoint
168      - a fix for PmEpR when #undef EXACT_CONSERV
169      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
170      - try to fix "hidden" recomp. in forward_step for NLFS
171        (NLFS seems broken sometimes after I checked it in)
172    o seaice:
173     - add c-grid version of the dynamic solver:
174       + three new routines that are the c-grid substitute lsr, dynsolver
175         and ostres
176       + put a few fields that were local to dynsolver into global common
177         blocks, so that I can move the computation of stresses etc into
178         seaice_lsr (saves coding but may break the adjoint).
179     - replace more hardwired parameters by runtime parameters
180     - add ice masks that mask the rhs of the implicit solvers where there
181       is no ice (commented out in seaice_dynsolver, because i am not sure
182       if this works properly), eventually this should replace the clipping
183       of ice velocities in seaice_dynsolver to +/-40cm/s.
184    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
185      include it only where its needed
186    o move balancing of fluxes before the call of external_forcing_surf
187    o seaice:
188      - correct units of turning angles (now they are really in degrees)
189      - move computation of GWATX/Y out of main routine into dynsolver
190      - initialize GWATX/Y in seaice_init
191    o Apply mask on Fresh-Water flux (needed for SSH forcing).
192      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
193    o seaice: add runtime flags for turning angles (default to zero)
194    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
195      and trend from exf forcing and ctrl control adjustments
196    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
197      (since checkpoint57x_post)
198    o change the default rotation period to 86164.s = the Earth rotation
199    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
200      and based on a reference stratification. Tested within hs94.cs-32x32x5.
201    o seaice advection: add code for choosing between the default (2nd order
202      central differences) and multiDim advection schemes provided by
203      pkg/generic_advdiff
204    o seaice:
205      - removed all references to SEAICE_GRID.h fields from
206        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
207        (cubed-sphere configuration will change a little)
208      - grid computations in seaice_init are obsolete now.
209      - cleaned up code a little so that is easier to read (hopefully).
210      - added new (better?) discretizations of default advection and diffusion
211        (turn on with SEAICEuseFluxForm)
212      - replace 1 in 3d global fields by kSurface in growth.F
213      
214    checkpoint58a_post
215    o seaice:
216      - bug fix in advect.F
217    o shelfice:
218      - separate shelfice load anomaly from pload (breaks with time
219        dependent forcing), => introduce constant field shelficeLoadAnomaly.
220        Its default is 0., but it may be computed more cleverly from (unknown)
221        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
222        done offline. A good approximation of the pressure load anomaly is
223        necessary to avoid large initial adjustment processes underneath
224        deep-reaching shelfice.
225      - small fix in ISOMIP shelfice_thermodynamics
226      - add more sophisticated thermodynamics of Hellmer (1989), this is
227        now the default
228      - give a few constants more intuitive names
229    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
230      if bulk formulae are used in long integration (especially EmPmR). Turn
231      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
232      if balancePrintMean, the imbalance that is substracted is printed to
233      STDOUT.
234    o fix bug (typo) in obcs_apply_eta.F
235    o add a new package shelfice which enables us to model the circulation
236      underneath shelf-ice with draughts of hundreds of meters.
237     - works
238     - to do: + include improved thermodynamics
239              + check whether kSurfC (from model/inc/SURFACE.h) can be used
240                instead of new field kTopC
241              + can we use topoFile, Ro_surf and existing code in ini_depth.F
242                instead of new field R_shelfIce and new code in ini_depth.F
243                and ini_mask_etc.F?
244              + adjust vertical mixing schemes?
245    o seaice pkg:
246     - add a cpp-flag to include a simple formula for a salinity dependent
247       freezing point of sea water at the surface
248     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
249       meridional stresses are now different (and hopefully correct)
250    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
251       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
252       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
253    o pkg/diagnostics: add options and parameters for regional-statistics
254       diagnostics ; define regions by reading a region-mask from a file
255       (might add other options later)
256    o pkg/bulk_force:
257     - add option and parameters to use AIM surface-flux formulae.
258     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
259       others forcing fields (defined in PARM05, parameter file "data") are loaded
260       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
261     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
262     - use the right EXCH call for uwind,vwind (to work on CS-grid).
263     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
264       and parameters (note: calcWindStress replaces .NOT.readwindstress).
265     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
266    
267    checkpoint58
268    o add "--embed-source" option to genmake2 which, when the supporting
269      tools can be compiled (as determined by genmake2) will turn on the
270      embed_files package which then embeds the entire MITgcm source code
271      (*.[fFhc] + Makefile) used for the build within the executable
272      - requested by CNH but off by default
273      - adds a paltry <9MB to the mitgcmuv executable in most cases
274      - only writes the output when useEMBEDSRC in eedata is true
275    o clean up 3-dim. relaxation codes:
276      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
277      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
278      * Thanks to Tom Haine for testing!
279    
280    checkpoint57z_post
281    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
282      affects output (@ truncation level) of exp. plume_on_slope ; updated.
283    o fix the pickup behavior for obcs in combination with ptracers
284    o fix a bug in ptracers_external_fields_load
285    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
286      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
287    o transfered surface NH pressure to eta field (if exactConserv).
288    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
289         and update lab_sea output.txt file.
290    o completing 3-dim. relaxation code: additional term
291         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
292      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
293      * At compile time, in "EXF_OPTIONS.h" set
294          #define  ALLOW_CLIMTEMP_RELAXATION
295          #define  ALLOW_CLIMSALT_RELAXATION
296      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
297          tauThetaClimRelax3Dim = 15552000.0,
298          tauSaltClimRelax3Dim  = 15552000.0,
299      * 3 cases:
300          1) Use a constant-in-time 3-dim. field
301          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
302          3) Real-time relax. to time-evolving prescribed field
303    o Adding Laplacian-type smoothness constraint on
304      initial and boundary (forcing) controls (ic, bc)
305      * enable at compile-time via
306        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
307      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
308      * Absolute scale somewhat unclear so far
309      * no area weighting was included since no other cost term does so far
310    
311    checkpoint57y_post
312    First step for a NLFS adjoint
313    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
314    o new init. routines for calc_r_star, calc_surf_dr
315    o still need to deal with ini_masks_etc
316    o testreport seemed happy
317    checkpoint57y_pre
318    
319    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
320    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
321    o add new offset feature to offline pkg (plus minor cleanup)
322    o cfc fixes for final year of integration
323    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
324      be in GCHEM_OPTIONS).
325    
326    checkpoint57x_post
327    o fix testreport Pb in multiple test experiment.
328    o cleanup our namelist syntax in verification:
329      - make it more F95 standards compliant (some work still needed)
330      - allows the vast majority of our tests to work with gfortran
331    o Non-Hydrostatic:
332     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
333     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
334    o Allow to apply AB on T,S rather than on AB(gT,gS):
335     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
336     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
337       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
338     - need a "clever" read_pickup to restart from the other AB formulation
339    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
340    o remove some unused variables (reduces number of compiler warnings)
341    o adjoint
342      * Disable useVariableViscosity for adjoint for time being
343        (there are a number of extensive recomputations)
344      * Initialize certain variables needed for adjoint
345    
346    checkpoint57w_post
347    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
348                 fix the singleCpuIO RS version of MDSWRITEFIELD
349       and add a WARNING if using globalFiles=T with multi-processors.
350    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
351      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
352    o tracer advection scheme:
353      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
354       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
355       was not very convenient).
356      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
357       (further tests needed for the implicit DST & Flux-Limiter schemes).
358    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
359      and sRef for convenience, handy, when you want to initialize
360      ptracers in a large domain with a constant non-zero value. Also,
361      untangle ptracers_init.F a little.
362    
363    checkpoint57v_post
364    o change dome exp. to use variable viscosity in side-drag terms.
365    o remove all the files from the cfc_offline test since they are now
366      incorporated into tutorial_cfc_offline which has been producing
367      identical results for a few days of testing
368    o add new parameter: sideDragFactor to enable half-slip-side BC
369      and change side-drag S/R to use viscosity from mom_calc_visc
370      (can switch back by setting sideDragFactor=0.); affects results at
371      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
372       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
373    o vorticity & strain are now computed without masking, to account for
374      no-slip-side BC in variable viscosity calculation ; mask is applied
375      anyway later on, before computing advection/coriolis terms.
376    o modify exp4 to test new obcs support for reading from external files
377      and for passive tracers
378    o fix behavior of ptracers_monitor when monitor output is written to a
379      netcdf-file; still not independent of monitor.F (writes in the same
380      file).
381    o change default value of tRef (put a uniform, meaningful value for ocean
382      & atmos) and initialize sRef (was missing, as Martin mentioned).
383    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
384      to be proportional to enstrophy dissipation length.  Thus,
385       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
386      This is now consistent with Smagorinsky and with the manual.
387    
388    checkpoint57u_post
389    o OBCS and PTRACERS: add open boundary support for passive tracers
390      - either use homogenous (pseudo) v.Neumann conditions or prescribe
391        OB-values from file; this is not different from the way theta and salinity
392        are treated
393      - however, Orlanski-radiation conditions are not supported, and the model
394        will stop if you use pTracers and Orlanski at the same time.
395      - beefed up the rountine obcs_external_fields_load: now only those open
396        boundary values are overwritten with values from files for which there
397        are really files, otherwise the OB-fields remain untouched. This makes
398        it possible to use different OBs at different ends of the domain (as
399        with EXF)
400    o reduce number of exch calls in shap_filt (s2).
401    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
402      truncation level) 4/5 MLAdjust test results (11&12 digits match).
403    
404    checkpoint57t_post
405    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
406    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
407      same truncation, independent of the face number: affects affects several
408      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
409    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
410      note that biharmonic viscosity + no-slip was not tested in any experiment.
411    o fix bug in non-linear free-surf side-drag ; generate new output for
412      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
413    o make mnc honor the writeBinaryPrec flag for most kinds of output
414    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
415    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
416      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
417    o add brackets in multi-terms sum to get same truncation, independent of
418      the face number (manage to get exactly same value of gU,gV at the cs-edge)
419      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
420    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
421      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
422      a maximum grid-scale Reynolds number.  Also, changes all length calculations
423      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
424      Suggested values of viscosity parameters found in mom_calc_visc.
425      Many new viscosity diagnostics available.
426    
427    checkpoint57s_post
428    o Add clearing-house for viscosity calculations, mom_calc_visc and
429      correct numerous bugs in LeithD and Smagorinsky discretizations.  
430      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
431      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
432      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
433      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
434      The Strain-Tension form is now called with useStrainTensonVisc=.true.
435      ViscAhStrain and viscAhTension are now retired.
436    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
437    o In response to JMC's bug report, genmake2 now ignores any soft-links
438      that it finds in the *current* directory when searching for files.
439      Soft-links found in any other source directories will still work as
440      they did before.
441    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
442      a C routine to unlimit the stack size
443    o mnc-ify pkg/aim snapshot vars
444    o mnc-ify pkg/land as requested by Daniel
445    o various changes to mnc including:
446      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
447      - output can now be grouped so that all files within a group
448          change the ITER portion of their names in lock-step together
449      - can now read ("global") PER-FACE (in addition to PER-TILE) files
450          and works with both EXCH1 and EXCH2 (but needs more testing)
451      - writing works for all verification test cases w/ g77 on Linux
452    
453    checkpoint57r_post
454    o make MNC variable initialization happen earlier
455    o add diagnostics for (almost) each term of the momentum Eq.
456    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
457    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
458    o remove MINIMAL_TAVE_OUTPUT option ;
459      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
460    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
461      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
462    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
463    o add time-dependent SST, SSS control
464    o cost terms in ecco/ modularized (new cost_generic.F)
465    o cost_averages routines are modularized (new cost_averagesgeneric.F)
466    o new infrastructure for seaice model vs. obs misfits in seaice/
467      * driver from the_main_loop.F is seaice_cost_driver.F
468      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
469      * gradient check in Exp. 6a of natl_box_adjoint/
470    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
471      (see README file)
472    
473    checkpoint57q_post
474    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
475    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
476      - bug was reported by Jean-Michel and Ian Fenty
477    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
478      update exp. cpl_aim+ocn output.
479    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
480      Needed for high-res. runs with large global files
481      to be able to limit tapelev size
482    o Changed some tests for adjoint:
483      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
484      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
485      * global_ocean.90x40x15/ back to default 3-level checkpointing
486    o Modifications to enable scripted COMMON to MODULE conversion
487      * verification/OpenAD/code/ has necessary scripts and description;
488      * converts, compiles and runs successfully;
489    
490    checkpoint57p_post
491    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
492    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
493      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
494    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
495    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
496      (was already the case for dissipation with mom_vecinv,
497       and also the case for grad.PhiHyd when staggered-timeStep)
498      This will allow to put dissipation out-off the AB time-stepping.
499     Unfortunately, affects truncation error. Update output of exp. that "fails"
500      (cg2d matching number) and leave the others for later: front_relax(10),
501      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
502      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
503    
504    checkpoint57o_post
505    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
506      (2) its ready to be documented during the 20050801 DocFest
507    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
508      for ideal_2D_oce and lab_sea on linux_ia32_g77
509    o set to #undef CTRL_SET_OLD_MAXCVARS_30
510      in global1x1_tot/code_seaice_adj to access indices 32, 33
511      (worth another tag)
512    
513    checkpoint57n_post
514    o adding precip control xx_precip 32
515    o adding swflux control xx_swflux 33
516    o Replacing 10 forcing penalty cost routines by 1 generic.
517    o Implementing partitioning in time-mean and variable adjustment
518      for atmos. state.
519    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
520    o in natl_box_adjoint:
521      * updated exp 1 to 10
522        (but does not have time-mean vs. variable split results yet)
523    o updated global1x1/*_seaice_adj/
524      to incorporate latest changes
525    o enable useSingleCpuIO for mdsio vector routines
526      (applies in particular to tapelev I/O)
527    o removed inefficient K-loop in all active_file*control*.F
528    
529    checkpoint57m_post
530    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
531      and advect_cs (use EXCH-2 and standard cs-32 grid files).
532    o pkg/exch2: filling of face-corner halo regions is optional
533      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
534    
535    checkpoint57l_post
536     tag before updating tutorials (pre-release-2)
537    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
538       for output and interpolation of input fields onto model grid)
539    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
540       Affects results of exp. rotating_tank ; update output.txt.
541    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
542          and taking the square quantity and/or using a fraction-weight field.
543    o fix aim_diagnostics_init.F mate numbers.
544    o add mnc output capability to diagnostics/diagstat and update
545      our cvsignore files for the ACSII output generated
546    
547    checkpoint57k_post
548    o lab_sea now uses diagnostics package and provides a suite of
549      new EXF diagnostics output.
550    
551    checkpoint57j_post
552    o exf
553      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
554        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
555        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
556      * extended diagnostics output
557        - now includes all EXF variables
558        - hs, hl moved to common block
559        - separate S/R for diagnostics, called after ctrl vector is added
560        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
561        - EXFqnet contains true Qnet (i.e. includes qsw)
562      * updated verif. lab_sea, global_with_exf
563      * Rearranging hflux (exf_mapfields -> exf_getforcing)
564        to ensure that diagnostics sees a true EXFqnet
565    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
566    o diagnostics pkg: change pointers so that 1 diagnostic can be used
567      several times with different frequencies.
568    o mnc-ify the thsice package as requested by Daniel Enderton
569      - the monitor--MNC output needs work
570      - many attributes need to be added (most are currently blank)
571    o mnc-ify theaim_v23 package as requested by Daniel Enderton
572      - many attributes need to be added (most are currently blank)
573    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
574    o add Sadourny like discretization to the 4th.O vorticity advection scheme
575    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
576      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
577         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
578    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
579     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
580    
581    checkpoint57i_post
582    o Diagnostics package was changed: diagnostic allocation is now deactivated
583      by setting an empty file name in the namelist (used to be by setting 0 frequency)
584    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
585      add 1rst Order upwind vertical Shear.
586    o add a quick fix for A/B checkpointing in OFFLINE mode
587    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
588      end-run around the C/Fortran linking horror in eesup/src/timers.F
589    o added pkg/runclock: allows user to terminate run based on wall clock
590    o added non-hydrostatic scaling parameter: nh_am2
591    o pkg/my82: futile attempt to make results compiler-independent by adding
592      some "_d 0", etc. no effect.
593    o for mnc output, fill the 'T' coordinate var with myTime and create a
594      separate 'iter' variable for iteration count
595    o pkg/diagnostics:
596      add new capability: output of Global/Regional & per-level statistics ;
597      tested against monitor output (including land & thSIce) on various exp.
598    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
599    
600    checkpoint57h_done
601      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
602      data.diagnostics, data.gchem, data.ptracers) is done.
603    
604    o pkg/diagnostics: prepare for Global/Regional statistics.
605      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
606    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
607      and rename it: DIFFERENT_MULTIPLE
608    
609    checkpoint57h_post
610    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
611    o pkg/diagnostics: change output frequency, now in seconds (instead
612      of Nb of iterations). This requires to change data.diagnostics.
613    checkpoint57h_pre
614    
615    o in mnc, let the user create the output dir if both mnc_outdir_date
616      and mnc_outdir_num are false
617    o add fflags() to pkg/diagnostics which allows one to specify, on a
618      per-file basis, the file precision [default behavior is unchanged]
619    o added diagnostics to pkg/kpp, including computation of mixed layer
620      depth based on a temperature/density criterion
621    o updated verification/natl_box to test the new pkg/kpp diagnostics
622    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
623    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
624    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
625      not mnc -- this mistake was found by JMC and is now corrected
626    
627    checkpoint57g_post
628    o add Adams-Bashforth 3rd Order time stepping:
629      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
630      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
631    checkpoint57g_pre
632    
633    o make lambda[Theta,Salt]ClimRelax spatially varying
634      (default remains spatially uniform constant based on tau)
635    o added new control variables
636      * init. uVel, vVel, etanN
637      * lambda[Theta,Salt]ClimRelax
638    o separate masks used for ctrl_pack/unpack 'from write_grid' output
639      (suggested by G. Forget)
640    
641    checkpoint57f_post
642    o add parameter "baseTime" = model base time = time at iteration zero
643      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
644      account for baseTime shift
645    o move Coriolis arrays from PARAMS.h to GRID.h
646    checkpoint57f_pre
647    
648    o mnc-ifying the seaice package
649    o introduced an alternative length scale calculation for use in the limiting
650      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
651    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
652    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
653      as well as grad(vort3).  Made it compatible with both approximate form
654      for the cubed sphere and full form of these gradients.  Added flag
655      useFullLeith to select between approximate and full form.  
656    o add "d0" in getcon.F to reduce differences between compilers/platforms
657      update output.txt of exp. fizhi-gridalt-hs
658    o change port_rand funtion to allow to set the seed.
659    o fix obscure MNC bug involving conversion between reals and integers
660      - it caused no problems with certain (eg. gcc, ifc) compilers but the
661        new version is now more standards-compliant
662    o adjoint-related modifications
663      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
664      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
665      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
666    
667    checkpoint57e_post
668    o Adding eddy stress controls a la Ferreira et al.
669    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
670    
671    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
672      update output.txt of exp. fizhi-gridalt-hs
673    o add more "Z" dimensions and associated coordinate vars to MNC
674    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
675    o parameter calendarDumps: when set, approximate months (30-31 days) and years
676      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
677      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
678      months and years.  Requires pkg/cal.
679    o diagnostics: add pickup functionality
680      - off by default for backwards compatibility
681      - current version only uses MDSIO -- MNC will be added
682    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
683    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
684    
685    checkpoint57d_post
686    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
687    o modify verification/ideal_2D_oce so that it tests the creation of mnc
688      output from the diagnostics package
689    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
690    o make genmake2 more portable by using ".$FS" instead of ".f" for more
691      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
692    o add coordinate variables to the MNC output from the diagnostics package
693    o change MNC-flags default value: true when useMNC=TRUE
694    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
695      the ability (off by default) to read the grid information using MNC
696    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
697    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
698    o do snap-shot diagnostics at the middle of the time-interval (instead of
699      at the end).
700    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
701      new test for AIM with thSIce + slab-ocean
702    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
703    o move state variable diagnostics to the beginning of the time step ;
704      (note: still needs some work specially for snap-shot diagnostics)
705      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
706    
707    checkpoint57c_post
708    o Change testing option (-ieee) to get closer agreement between g77 & ifort
709    o generate new output.txt files on faulks with g77 & the new -ieee option
710    checkpoint57c_pre
711    
712    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
713      update output.txt of exp. global_ocean.90x40x15
714    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
715      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
716    o add saltFlux(+File) forcing capability with periodicExternalForcing
717    o allow to use pkg diagnostics for GM-Redi & ThSIce output
718    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
719    o improvements for the MNC output from DIAGNOSTICS:
720      - correct handling of the unlimitied dimension
721      - all dims now have associated coordinate variables
722      - variables located at U, V, and Corner ("Z") points are now written
723        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
724        *all* data points are output
725    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
726    o added pkg/seaice/seaice_monitor.F
727    o mdsio_readfield.F can now read files visible only to master MPI process.
728    o pkg/seaice: some test code for ice-modified ocean stress
729    o exf_getffields interpolation defaults to bilinear for all scalar forcing
730      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
731      spurious negative numbers for precipitation and humidity.  Will cause
732      some small numerical differences for integrations using pkg/exf/exf_interp.F.
733    o pkg/ctrl/
734      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
735        May be enabled via doPackDiag
736      *  introduce z-scaling of
737         + gradient (doZscalePack) and
738         + control (doZscaleUnpack)
739    o pkg/mdsio/
740      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
741      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
742    
743    checkpoint57b_post
744    o simplify options in diagnostics_fill arguments (remove weird combinations)
745    o fix MNC coordinate variables so that they now contain per-face index
746      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
747      general, EXCH2 grids are only aligned to a "local" coordinate system
748    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
749    o Implement instantaneous output within pkg diagnostics:
750      setting a negative frequency in data.diagnostics produces
751     "snap-shot" output (as opposed to time-average if freq > 0)
752    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
753      NOTE: change ptracer diagnostics name: use 2 characters to work with
754            more than 9 tracers. Add also diagnostics of advect & diffus flux.
755    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
756      becomes the coordinate variable for the 'T' dimension
757    o add CF-style coordinate variables to MNC
758      - just a first cut:  numbers are meaningless on the cubesphere and
759        missing along the T axis but otherwise it works!
760    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
761    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
762    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
763      this is based directly on what the model compute, so that the content of
764      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
765    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
766    o clean up build options files for SunOS, in particular
767      - remove -traditional from xmakedepend
768      - change -xarch=v9 to -xarch=native for f77
769      - restore use of make (not gmake)
770      - add CC=gcc if using g77
771    o changes per discussion of AM, JMC, & EH3 today:
772      - move redundant "grid" variables out of "state" -- in preparation of
773        creating proper CF-style coordinate variables and in recognition
774        that any/all grid variables can be easily copied (eg. w/NCO) from
775        the grid files into any of the other NetCDF files
776      - *always* output grid variables with MDSIO (this will eventually be
777        changed)
778      - output MNC grid file if useMNC is true
779    o every instance of _END_MASTER() has been found and replaced with
780      _END_MASTER( myThid ) in order to satisfy certain picky Sun
781      preprocessors
782    o re-arrange diagnostics pkg initialisation:
783     - allow each package to extend the available diagnostics list
784     - add some checking and fix small problems (multi-threaded, ...)
785     - new S/R diagnostics_fill (replace fill_diagnostics):
786       look through the short list of active diag. (instead of the long list)
787       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
788    
789    checkpoint57a_post
790    o this set of changes restores TAMC compatibility
791      tested for global_ocean.90x40x15 adjoint on trough
792      (what a pain)
793    
794    checkpoint57a_pre
795    o some modifs in tools/build_options for sunos
796    o call ctrl_pack for ctrl at end for optimcycle=0
797    
798    checkpoint57
799    o add horizontal bi-harmonic viscosity for vertical velocity
800      - new parameter viscA4W (defaults to viscA4)
801      - affects only non-hydrostatic code
802      - to be done: no-slip lateral boundary conditions
803    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
804    o implement Implicit Vertical advection for pTracers
805    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
806      (implemented also for implicit vertical diffusion & advection)
807    o OBCS: extend application of tracer open boundary conditions
808      to a strip beyond the boundary of width Olx/Oly
809    o add call monitor to TAF set of required calls (flow directives)
810      and include in natl_box_adjoint
811    o untangle a few ifdefs related to cost, ctrl, autodiff
812      untangel a few ALLOW_ECCO_OPTIMIZATION
813    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
814      (theta2, salt2 in ecco_cost_weights)
815    
816    checkpoint56c_post
817    o OBCS as control variables
818      - update ctrl_ad_diff.list, obcs_ad_diff.list
819      - remove balance of obcs controls from default
820      - fix index bug nobcs in ctrl_init
821      - fix dummy fields filen in ctrl_pack
822      - add dummy weights for obcs
823    o lsopt: comment out fort.94 output
824    o optim:
825      - remove unnecessary header files
826      - adjusted namelists
827      - add xerbla.F to Makefile
828    o exf:
829      - multiple modifications of exf_check_range
830      - unit change in exf_init_runoff from [m/year] to [m/s]
831    o mdsio:
832      - i/o-vector change debugLevel from debLevA to debLevB
833    
834    checkpoint56b_post
835    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
836      is called from DO_THE_MODEL_IO
837      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
838      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
839      - clean up PTRACERS_WRITE_TIMEAVE a little
840    o add another verification experiment that tests both the cfc-pkg and
841      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
842      reactive tendencies treated inline with regular timestepping
843    o testreport previously did a lousy job of comparing small numbers, so
844      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
845      implemented in the little c-progam tmp_cmpnum.c which is embedded in
846      testreport.
847    o ptracers_monitor: bug fix for MPI
848    
849    checkpoint56a_post
850    o GCHEM: finish reorganizating the package
851      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
852        (introduces another 3D-array for each passive tracer, but only if
853        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
854        gchemTendency is not needed because the timestep is done separately)
855      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
856      - GCHEM is now---more or less cleanly---separate from PTRACERS
857      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
858        so clear to me how that should be done in a general way.
859    o CFC: improve formatting of output in CFC_ATMOS
860    o PTRACERS:
861      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
862        that ALL experiments with ptracers enable can be checked. This makes
863        GCHEM_MONITOR obsolete.
864      - include a runtime parameter PTRACERS_monitorFreq that defaults to
865        monitorFreq
866      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
867    o add PTRACERS (PTR0[1-5]) to testreport output
868    o exf_check_range:
869      * default changed to .TRUE.
870      * will check values for niter0 if debLevA, every timestep if debLevB
871      * STOP in exf_check_range if 'out of range'
872      * range chosen generous to allow for potential extema
873      TBD: a version with stricter range
874           permitted range would be runtime parameters
875    o GMredi:
876      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
877      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
878      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
879    o GCHEM:
880      - move call to GCHEM_FORCING_SEP, so that it is now called before
881        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
882      - introduced a useGCHEM runtime flag and applied it everywhere.
883      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
884        this flag is now only visible within GCHEM-pkg routines.
885      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
886        be replaced by a 3D array that is computed before thermodynamics; for
887        this, the tracer ID iTracer had to be included into the parameter list
888        of ptracers_forcing
889      - set up forward_step to call gchem_forcing, that will replace
890        gchem_forcing_int in ptracers_forcing
891      - cleaning up
892    o small cleaning of exch2: remove files that are also in eesupp/src
893    
894    checkpoint56
895    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
896    o mnc: cleanup "full" files--fixes out-of-memory problem
897    o ECCO-GODAE
898      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
899      * fully merged and updated from SIO code
900        windstress sign change affects
901        - exf_inscal_[u/v]stress
902        - sign of xx_tau[u/v] adjustments
903        - signs in cost_scat
904      * ctrl_get_gen: avoid update of tau[u/v] for first few days
905      * natl_box_adjoint updated and compressed
906      * 2-level checkpoint switch added
907        (tested in EXP. 1 of natl_box_adjoint)
908      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
909    o SVD
910      * first complete, non-hacked version for SVD calculations
911      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
912        performed via direct access files admtlm_vector.it????
913        (via ctrl_[un]pack)
914      * optimcycle is used for ARPACK iteration counter
915        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
916      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
917        and add linear transforms where necessary
918      * controls are initial/final SST, SSS (can be extended; need to check
919        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
920    o mdsio: filename info to both stderr, stdout
921    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
922      from sign change
923    
924    checkpoint55j_post
925    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
926      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
927    o add consistent build directories and .cvsignore files to verification
928    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
929    o make all subroutines 30 or less characters in length for certain older
930      compilers to work (a thorough search only turns up two routines in
931      pkg/ptracers)
932    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
933      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
934    
935    checkpoint55i_post
936    o change arrays for total vertical diffusivity (2.D if explicit,
937      3.D if implicit) ; each ptracer uses its own background value.
938    o added mnc/NetCDF output capability to ocn_compon_interf
939      - added bits to verification/cpl_aim+ocn so that it can run on
940        ITRDA and other clusters without the mpirun "-wd" option
941    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
942      configuration
943    o give MNC the ability to create additional files rather than
944      exceeding a specified file size limit "MNC_MAX_FILESIZE"
945      - the default is just less than 2GB which is a practical limit
946        on many systems
947    o Compute the non-local term using either KPP vertical diffusivity (=default)
948       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
949    
950    checkpoint55h_post
951    o add verification test "vermix"
952    o remove all the *_ioinc flags and replace with the single global
953      outputTypesInclusive flag
954    o allow to set a vertical profile of vertical diffusivity for T & S
955    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
956    o useMNC moved from data.mnc to data.pkg
957    
958    checkpoint55g_post
959    o Renaming carbon AD experiments to comply with testreport conventions
960    o Updating adjoint of Held-Suarez hs94.1x64x5
961    o Fixing directives for non-ECCO forward_step, after ECCO directives
962      have been fixed to avoid recomp. of do_oceanic_phys
963      Works well for global_ocean.90x40x15,
964      but recomp. issue remains for carbon
965    o Updating adjoint output for natl_box_adjoint after
966      pkg/ecco has been modified (see taga c55d_post)
967    
968    checkpoint55f_post
969    o rename to timeave_init_fixed
970    
971    checkpoint55e_post
972    o some delicate re-shuffle of store directives to avoid one
973      extra call of do_oceanic_physics
974      affects ecco_the_main_loop.F, do_oceanic_physics.F
975      checkpoint_lev1_directives.h
976    o NB: this may break global_ocean adjoint temporarily,
977      but it is clear how to fix it. Will do later, need this now.
978    
979    checkpoint55d_post
980    o ECCO specific cost function terms (up-to-date with 1x1 runs)
981    o ecco_cost_weights is modified to 1x1 runs
982    o modifs to allow observations to be read in as
983      single file or yearly files
984    o enable to read exf forcing fields as either
985      single file or yearly files (flag useExfYearlyFields)
986    checkpoint55d_pre
987    
988    o switch between 2-level and 3-level checkpointing
989    o add ability of MNC to write local and "partial" (eg. 2D slices where
990      the full 3D field is never actually stored) arrays to NetCDF files
991      with the correct (that is, the complete multi-dimensional) set of
992      array indicies
993      - used in mom_vecinv() to write the diagFreq output
994      - tested (demonstrated) in verification/aim.5l_cs
995    o further mnc-ification
996      - add verification/lab_sea to the list with mnc setups
997      - fix undefined mnc v-names in cd_code
998      - add kpp to mnc output (both snapshot and timeave)
999    o non-hydrostatic code
1000      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1001        in calc_gw.F
1002      - defaults to viscAh
1003      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1004        friction or Leith) in non-hydrostatic mode, as long as there is
1005        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1006    o pkg/cost
1007      extend simple cost functions to treat time mean quantities
1008      (T,U,V) via cost_accumulate_state from cost_tile
1009    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1010        be 2 times larger than the minimum size the advection scheme requires.
1011        now get a perfect conservation of salt in advect_cs test-exp (updated)
1012    o GGL90 (Gaspar's TKE mixed layer)
1013      - add horizontal diffusion of TKE, requires exchanges in
1014        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1015        default. In OPA there is no horizontal diffusion of TKE but the
1016        mixing coefficients are computed from a horizontal average of TKE of
1017        6 points or so. I think that diffusion has a little more physical
1018        justification.
1019      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1020        was in vain)
1021      - mask tke-variable in ggl90_init
1022    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1023    o fix biharmonic diffusion on CS-grid.
1024    o more obcs stuff
1025      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1026        for reading boundary values. This routine is called from
1027        obcs_prescribe_read
1028      - updated obcs_check
1029      - changed sponge layer relaxation parameter units for days to seconds
1030      - turned off sponge layer by default
1031      - changed argument list of OBCS_CALC to myTime+deltaTclock
1032      - fixed about 35 bugs in obcs_external_fields_load
1033    
1034    checkpoint55c_post
1035    o obcs stuff
1036      - new runtime flags useOBCSprescribe, useOBCSbalance
1037      - re-arranged obcs_calc
1038      - moved exf_getobcs to obcs_prescibe_read
1039        obcs_prescibe_read is called after ORLANSKI stuff
1040        and independent of it (executable can contain all).
1041      - updated obcs_check
1042      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1043        These may be necessary only if tangential velocities are
1044        prescribed at OB, not sure, needs testing.
1045    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1046      which simplifies the calls and passes the ifc check-bounds test
1047    
1048    checkpoint55b_post
1049    o add a 2D scalar, Z location, exchange_2 routine.
1050    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1051      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1052      affects advect_cs results (for the wrong reason): update output.txt
1053    o use a more standard discretization for biharmonic viscosity ;
1054     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1055      affects results of dome set-up: update output.txt
1056    o fix gad_advection.F (CubedSphere part), back to version 1.23
1057    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1058    
1059    checkpoint55a_post
1060    o merged code to
1061      * prescribe/read time-dependent open boundaries
1062        (works in conjunction with exf, cal)
1063      * sponge layer code for open boundaries
1064      * each boundary N/S/E/W now has its own CPP option
1065        (healthy for the adjoint)
1066    
1067    checkpoint55
1068    o up-to-date adjoint of previous breaks
1069      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1070      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1071      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1072      - carbon: * remove tr1-related adjoint verification
1073                * add ptracer as control variable
1074    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1075      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1076    
1077    checkpoint54f_post
1078    o in verification/carbin/ remove experiment related to
1079      ALLOW_PASSIVE_TRACER (array tr1 etc)
1080      code_ad/ input_ad/ results_ad
1081    
1082    o add two new packages
1083      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1084        + subject to optimization (memory)
1085      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1086        + subject to reordering (many GOTOs in the original code)
1087        + so far opps is called for every (i,j) point, and then operates in
1088          the vertical; one may want to reorder the scheme in order operate in
1089          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1090          fields)
1091    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1092      - all verification tests compile and run with linux_ia32_g77
1093      - defaults are compatible with current input files--nothing
1094        should change if you were not previously using MNC
1095      - MNC output has been added in numerous places (eg. timeave)
1096        but there are still a few writes not yet do-able with MNC
1097        (this is in progress)
1098      - flags now allow for either/or/both use of MDSIO and MNC and
1099        documentation will soon follow
1100      - numerous small formatting cleanups for ProTeX
1101    o add version info (via BUILD_INFO.h) to MNC and stdout
1102    
1103    checkpoint54e_post
1104    o add two new packages
1105      - pp81 (Packanowski and Philander, 1981), Richardson number and
1106        stratification dependent mixing
1107      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1108      - these scheme operate in a similar manner as KPP (without ghat, of
1109        course), however there is only one diffusivity that is used for both
1110        temperature and salinity (and passive tracers)ç
1111    o add offline package
1112    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1113      provided by Stephanie Dutkiewicz
1114    o genmake2: add ability to search for C compilers and cleanup test output
1115      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1116    
1117    checkpoint54d_post
1118    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1119    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1120      leading to additional shift by 5 days each year of integration
1121       (i.e. leading to considerable offset over the years)
1122    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1123    o start with no AB and no initial filtering (staggerTimeStep):
1124      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1125    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1126      (external loading & cpl import/export stay in forward_step.F)
1127    o update coupling interface to work with new staggerTimeStep
1128    o change MDSIO ptracers_pickup.
1129    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1130    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1131    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1132    
1133    checkpoint54c_post
1134    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1135      this affects (truncation error) output.txt of test-exp:
1136       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1137    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1138    o change Qnet to always be the net heat flux, (+upward).
1139      affects (truncation error) output of natl_box exp.: updated
1140    o define the max number of passive tracers in PTRACERS_SIZE.h
1141    o start to test mnc routinely in exp0
1142    o add sea-ice loading (sIceLoad) as a new forcing field.
1143    
1144    checkpoint54b_post
1145    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1146       impressive on Altix and Opteron systems)
1147    o diagnostics can now write NetCDF files through the mnc package
1148    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1149    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1150    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1151      affects (truncation error) output of lab_sea & natl_box exp.: updated
1152    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1153    
1154    checkpoint54a_post
1155    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1156    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1157    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1158    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1159      + internal_wave (shift in writing cg2d_ini_res)
1160    checkpoint54a_pre
1161    
1162    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1163      - modified verification/lab_sea and natl_box_adjoint accordingly
1164    
1165    checkpoint54
1166    checkpoint53g_post
1167    o prepare splitting of thermodynamics: store convect.counter in common block
1168    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1169      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1170    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1171    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1172    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1173    o restore adjointability
1174    
1175    checkpoint53f_post
1176    o modifications that affect AIM experiment results (update output.txt):
1177      - no advection of S at top interface Nr (pkg/generic_advdiff)
1178      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1179    o AIM pkg:
1180      - include stability function into surf.Flux derivative relative to Tsurf
1181      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1182    
1183    checkpoint53e_post
1184    o merged cylindrical coord configuration
1185    o added rotating_tank experiment
1186    checkpoint53e_pre
1187    
1188    checkpoint53d_post
1189    o faulks upgraded: re-generate output.txt that have changed:
1190       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1191    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1192    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1193    o added Sadourny discretization of Coriolis
1194      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1195      - re-enabled use of omega3 (useAbsVorticity)
1196    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1197      vector-invariant equations
1198      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1199    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1200      hopefully without new bugs
1201      - still to do: biharmonic friction for non-hydrostatic w
1202    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1203    o regenerated output for global_ocean_ebm (using -ieee)
1204    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1205      of mom_common/
1206      - simple re-arrangement of instructions within computing loop
1207    checkpoint53d_pre
1208    
1209  checkpoint53c_post  checkpoint53c_post
1210  o new version of coupler for AIM+thSIce and Ocean models  o new version of coupler for AIM+thSIce and Ocean models
1211   - new fields (SSS,h_MixLayer ...) are exchanged through the coupler   - new fields (SSS,h_MixLayer ...) are exchanged through the coupler

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