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revision 1.232 by jmc, Wed Dec 31 20:29:54 2003 UTC revision 1.687 by jmc, Sun Jun 25 22:42:10 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/thsice with pkg/seaice dynamics:
8      fix domain of computation (interior only, required for exf) and do exchanges
9    o towards a standard way of dealing with multi-threading in MONITOR
10      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
11    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
12       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
13    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
14    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
15    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
16       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
17    o tracer advection:
18     - clean-up and simplify calc_common_factors.F
19     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
20       advection subroutine (but still not used within DST advection S/R)
21    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
22    
23    checkpoint58j_post
24    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
25      from file (collects calls previously in FORWARD_STEP)
26    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
27    o adjoint store dir. adjusted accordingly
28    o genmake2
29      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
30    
31    checkpoint58i_post
32    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
33      on wind stress (SEAICEstressFactor defaults to 1.)
34    o Total number of Timers is finite (<=40): comment out 2 non-essential one
35      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
36    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
37      on CS-grid: no longer loosing mass.
38    o exf & curvilinear-grid: no longer modify longitude xC & xG.
39    o pkg/ggl90: fix sloppy output and fix a bug
40    o pkg/seaice: added SEAICEuseEVPpickup parameter
41      - Set to false in order to start EVP solver with
42        non-EVP pickup files when using SEAICEuseEVP
43      - fix sign error in diffusion in seaice_calc_rhs
44    
45    checkpoint58h_post
46    * Modifications for bottom topography control
47      o replace hFacC by _hFacC at various places
48      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
49      o add non-self-adjoint cg2d_nsa
50      o update autodiff support routines
51      o re-initialise hfac after ctrl_depth_ini
52      o works for 5x5 box, doesnt work for global_ocean.90x40x15
53    * Adding verification for 5x5 box (4-layer) bottom topography control
54    
55    checkpoint58g_post
56    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
57       used for mean seasonal cycle, mean diurnal cycle); add an example
58       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
59    o pkg/ggl90:
60      - add parameter (minimum surface kinetic energy)
61      - fix bug (avoiding division by zero)
62    o couple pkg/thsice to pkg/seaice:
63      - modify advection in seaice to accomodate new scalar fields to be advected
64      - only muliDimAdection scheme work with seaice/thsice
65      - mapping of thsice-variables to seaice-variables, back and forth
66      - does not break the verification experiments, but does not give the
67        desired results either
68    o pkg/seaice
69      - make (default) second order advection a bit less confusing?
70    
71    checkpoint58f_post
72    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
73      to pkg/seaice):
74      - new routines thsice_map_exf and thsice_get_exf provide the interface
75      - add an additional formal parameter to thsice_solve4temp
76    o pkg/exf:
77      - add new fields wspeed, snowprecip (to be able to couple to thsice)
78      - correct Stefan-Boltzmann constant
79      - new parameter for longwave surface emittance
80      - separate some stuff from exf_bulkformulae into new routines  
81        exf_radiation, exf_wind
82      - add new parameters and constants: longwave emissivity for ocean, ice
83        and snow, evaporation parameters over ice
84      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
85        either wind from stress or stress from wind
86    o pkg/thSIce:
87    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
88    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
89       and THSICE_CALC_THICKN
90    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
91    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
92      to make debugging easier.
93    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
94    o pkg/bulk_force:
95      - clean-up comments and parameters ;
96      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
97    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
98      generate new output for test-experiment: aim.5l_cs.thSI
99    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
100      testreport accordingly
101    
102    checkpoint58e_post
103    o SEAICE_CGRID adjoint done
104    o R_STAR adjoint implemented.
105      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
106      * need to sort out init. of h0facc, etc.
107    o Make pkg/profile fully independent of ecco,cost, etc. stuff
108      to be able to use it in pure forward.
109    
110    checkpoint58d_post
111    o upgrade simple test-experiment to tutorial example:
112     step.1: duplicate the experiment and (step.2) will remove the old copy.
113      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
114      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
115      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
116      tutorial_global_oce_biogeo    <- copy of dic_example
117      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
118      tutorial_plume_on_slope       <- copy of plume_on_slope
119      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
120      tutorial_global_oce_optim     <- empty for now (David ?)
121      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
122     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
123    o correct a sign problem in cost_scat.F
124    o obcs and ptracers: fix boundary conditions for advections schemes
125      with larger stencil
126    o thsice adjoint: start
127    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
128      completeness
129    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
130      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
131    o ptracers adjoint:
132      * avoid extensive recomputatations
133      * fix missing re-init. of gptr (missed by TAF)
134    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
135      me to turn off the excessive output to STDOUT that this package produces
136    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
137      and add those terms in Vector-Invariant formulation.
138    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
139      if the control period (xx_hfluxperiod etc) is 0
140    o in profiles pkg, clean routines and fix details
141    o in ecco pkg, reading ssh data:
142      fix problem in case the model does not start at iter0=0
143    o fix mnc-pickup/restart for ptracers
144    o new package prifiles:
145      code to compute profile-based cost by Gael Forget
146      (modifs in ecco, ctrl, autodiff)
147    o Benign bug fix in initialization (spotted by M. Mazloff) of
148      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
149    
150    checkpoint58c_post
151    o adjoint: finish NLFS adjoint and provide reference output in
152      verification/global_ocean.90x40x15/results_ad_nlfs
153    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
154      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
155      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
156      with SEAICE_CGRID defined.
157    o move calendarDumps from "data" to "data.cal" and clean-up the code
158      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
159    o add useEXF & useCAL flags (for now, set in hard-coded way)
160    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
161      (were missing in NH mode, and wrong in quasihydrostatic mode).
162      waiting for Chris updated version of calc_gw to add those CALLs.
163    o fix bug in quasihydrostatic S/R ;
164      add a test for this option: global_ocean.90x40x15.qshyd
165    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
166      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
167    o add on/off flag useOffLine for package OFFLINE
168    o seaice:
169      - modify advection so that it works also on the C-grid
170      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
171        problem in multi-tile runs with C-grid
172      - add flags for clipping ice velocities and/or masking solver forcing
173      - fix drag (ocean on ice) formulation and a bug that caused noise in the
174        C-grid solver
175      - added a few comments to seaice_diffusion.F
176      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
177        are now exclusive)
178      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
179        required re-ordering the code a little:
180       + make DAIRN global variable (defined in SEAICE)
181       + move computation of the viscosities eta and zeta into a new separate
182         routine (because I need to recompute them in seaice_ocean_stress.F)
183    
184    checkpoint58b_post
185    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
186      update output.txt of exp. aim.5l_cs.thSI
187    o various mnc cleanups and improvements:
188      + shrink lookup tables by factor of ~4
189      + better error reporting when running out of lookup space
190      + able to handle longer path/file names (up to 500 chars)
191    o adjoint:
192      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
193      - TBD: "hidden" mom_vecinv recomp. in dynamics
194    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
195     (allow to differentiate between forcing components using new integer flags:
196      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
197     and add new flag to put Dissipation tendency out of Adams-Bashforth.
198    o ecco
199      - enable trend removal from SSH anomaly obs.
200    o adjoint
201      - a fix for PmEpR when #undef EXACT_CONSERV
202      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
203      - try to fix "hidden" recomp. in forward_step for NLFS
204        (NLFS seems broken sometimes after I checked it in)
205    o seaice:
206     - add c-grid version of the dynamic solver:
207       + three new routines that are the c-grid substitute lsr, dynsolver
208         and ostres
209       + put a few fields that were local to dynsolver into global common
210         blocks, so that I can move the computation of stresses etc into
211         seaice_lsr (saves coding but may break the adjoint).
212     - replace more hardwired parameters by runtime parameters
213     - add ice masks that mask the rhs of the implicit solvers where there
214       is no ice (commented out in seaice_dynsolver, because i am not sure
215       if this works properly), eventually this should replace the clipping
216       of ice velocities in seaice_dynsolver to +/-40cm/s.
217    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
218      include it only where its needed
219    o move balancing of fluxes before the call of external_forcing_surf
220    o seaice:
221      - correct units of turning angles (now they are really in degrees)
222      - move computation of GWATX/Y out of main routine into dynsolver
223      - initialize GWATX/Y in seaice_init
224    o Apply mask on Fresh-Water flux (needed for SSH forcing).
225      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
226    o seaice: add runtime flags for turning angles (default to zero)
227    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
228      and trend from exf forcing and ctrl control adjustments
229    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
230      (since checkpoint57x_post)
231    o change the default rotation period to 86164.s = the Earth rotation
232    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
233      and based on a reference stratification. Tested within hs94.cs-32x32x5.
234    o seaice advection: add code for choosing between the default (2nd order
235      central differences) and multiDim advection schemes provided by
236      pkg/generic_advdiff
237    o seaice:
238      - removed all references to SEAICE_GRID.h fields from
239        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
240        (cubed-sphere configuration will change a little)
241      - grid computations in seaice_init are obsolete now.
242      - cleaned up code a little so that is easier to read (hopefully).
243      - added new (better?) discretizations of default advection and diffusion
244        (turn on with SEAICEuseFluxForm)
245      - replace 1 in 3d global fields by kSurface in growth.F
246      
247    checkpoint58a_post
248    o seaice:
249      - bug fix in advect.F
250    o shelfice:
251      - separate shelfice load anomaly from pload (breaks with time
252        dependent forcing), => introduce constant field shelficeLoadAnomaly.
253        Its default is 0., but it may be computed more cleverly from (unknown)
254        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
255        done offline. A good approximation of the pressure load anomaly is
256        necessary to avoid large initial adjustment processes underneath
257        deep-reaching shelfice.
258      - small fix in ISOMIP shelfice_thermodynamics
259      - add more sophisticated thermodynamics of Hellmer (1989), this is
260        now the default
261      - give a few constants more intuitive names
262    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
263      if bulk formulae are used in long integration (especially EmPmR). Turn
264      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
265      if balancePrintMean, the imbalance that is substracted is printed to
266      STDOUT.
267    o fix bug (typo) in obcs_apply_eta.F
268    o add a new package shelfice which enables us to model the circulation
269      underneath shelf-ice with draughts of hundreds of meters.
270     - works
271     - to do: + include improved thermodynamics
272              + check whether kSurfC (from model/inc/SURFACE.h) can be used
273                instead of new field kTopC
274              + can we use topoFile, Ro_surf and existing code in ini_depth.F
275                instead of new field R_shelfIce and new code in ini_depth.F
276                and ini_mask_etc.F?
277              + adjust vertical mixing schemes?
278    o seaice pkg:
279     - add a cpp-flag to include a simple formula for a salinity dependent
280       freezing point of sea water at the surface
281     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
282       meridional stresses are now different (and hopefully correct)
283    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
284       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
285       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
286    o pkg/diagnostics: add options and parameters for regional-statistics
287       diagnostics ; define regions by reading a region-mask from a file
288       (might add other options later)
289    o pkg/bulk_force:
290     - add option and parameters to use AIM surface-flux formulae.
291     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
292       others forcing fields (defined in PARM05, parameter file "data") are loaded
293       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
294     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
295     - use the right EXCH call for uwind,vwind (to work on CS-grid).
296     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
297       and parameters (note: calcWindStress replaces .NOT.readwindstress).
298     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
299    
300    checkpoint58
301    o add "--embed-source" option to genmake2 which, when the supporting
302      tools can be compiled (as determined by genmake2) will turn on the
303      embed_files package which then embeds the entire MITgcm source code
304      (*.[fFhc] + Makefile) used for the build within the executable
305      - requested by CNH but off by default
306      - adds a paltry <9MB to the mitgcmuv executable in most cases
307      - only writes the output when useEMBEDSRC in eedata is true
308    o clean up 3-dim. relaxation codes:
309      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
310      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
311      * Thanks to Tom Haine for testing!
312    
313    checkpoint57z_post
314    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
315      affects output (@ truncation level) of exp. plume_on_slope ; updated.
316    o fix the pickup behavior for obcs in combination with ptracers
317    o fix a bug in ptracers_external_fields_load
318    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
319      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
320    o transfered surface NH pressure to eta field (if exactConserv).
321    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
322         and update lab_sea output.txt file.
323    o completing 3-dim. relaxation code: additional term
324         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
325      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
326      * At compile time, in "EXF_OPTIONS.h" set
327          #define  ALLOW_CLIMTEMP_RELAXATION
328          #define  ALLOW_CLIMSALT_RELAXATION
329      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
330          tauThetaClimRelax3Dim = 15552000.0,
331          tauSaltClimRelax3Dim  = 15552000.0,
332      * 3 cases:
333          1) Use a constant-in-time 3-dim. field
334          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
335          3) Real-time relax. to time-evolving prescribed field
336    o Adding Laplacian-type smoothness constraint on
337      initial and boundary (forcing) controls (ic, bc)
338      * enable at compile-time via
339        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
340      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
341      * Absolute scale somewhat unclear so far
342      * no area weighting was included since no other cost term does so far
343    
344    checkpoint57y_post
345    First step for a NLFS adjoint
346    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
347    o new init. routines for calc_r_star, calc_surf_dr
348    o still need to deal with ini_masks_etc
349    o testreport seemed happy
350    checkpoint57y_pre
351    
352    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
353    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
354    o add new offset feature to offline pkg (plus minor cleanup)
355    o cfc fixes for final year of integration
356    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
357      be in GCHEM_OPTIONS).
358    
359    checkpoint57x_post
360    o fix testreport Pb in multiple test experiment.
361    o cleanup our namelist syntax in verification:
362      - make it more F95 standards compliant (some work still needed)
363      - allows the vast majority of our tests to work with gfortran
364    o Non-Hydrostatic:
365     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
366     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
367    o Allow to apply AB on T,S rather than on AB(gT,gS):
368     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
369     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
370       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
371     - need a "clever" read_pickup to restart from the other AB formulation
372    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
373    o remove some unused variables (reduces number of compiler warnings)
374    o adjoint
375      * Disable useVariableViscosity for adjoint for time being
376        (there are a number of extensive recomputations)
377      * Initialize certain variables needed for adjoint
378    
379    checkpoint57w_post
380    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
381                 fix the singleCpuIO RS version of MDSWRITEFIELD
382       and add a WARNING if using globalFiles=T with multi-processors.
383    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
384      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
385    o tracer advection scheme:
386      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
387       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
388       was not very convenient).
389      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
390       (further tests needed for the implicit DST & Flux-Limiter schemes).
391    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
392      and sRef for convenience, handy, when you want to initialize
393      ptracers in a large domain with a constant non-zero value. Also,
394      untangle ptracers_init.F a little.
395    
396    checkpoint57v_post
397    o change dome exp. to use variable viscosity in side-drag terms.
398    o remove all the files from the cfc_offline test since they are now
399      incorporated into tutorial_cfc_offline which has been producing
400      identical results for a few days of testing
401    o add new parameter: sideDragFactor to enable half-slip-side BC
402      and change side-drag S/R to use viscosity from mom_calc_visc
403      (can switch back by setting sideDragFactor=0.); affects results at
404      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
405       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
406    o vorticity & strain are now computed without masking, to account for
407      no-slip-side BC in variable viscosity calculation ; mask is applied
408      anyway later on, before computing advection/coriolis terms.
409    o modify exp4 to test new obcs support for reading from external files
410      and for passive tracers
411    o fix behavior of ptracers_monitor when monitor output is written to a
412      netcdf-file; still not independent of monitor.F (writes in the same
413      file).
414    o change default value of tRef (put a uniform, meaningful value for ocean
415      & atmos) and initialize sRef (was missing, as Martin mentioned).
416    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
417      to be proportional to enstrophy dissipation length.  Thus,
418       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
419      This is now consistent with Smagorinsky and with the manual.
420    
421    checkpoint57u_post
422    o OBCS and PTRACERS: add open boundary support for passive tracers
423      - either use homogenous (pseudo) v.Neumann conditions or prescribe
424        OB-values from file; this is not different from the way theta and salinity
425        are treated
426      - however, Orlanski-radiation conditions are not supported, and the model
427        will stop if you use pTracers and Orlanski at the same time.
428      - beefed up the rountine obcs_external_fields_load: now only those open
429        boundary values are overwritten with values from files for which there
430        are really files, otherwise the OB-fields remain untouched. This makes
431        it possible to use different OBs at different ends of the domain (as
432        with EXF)
433    o reduce number of exch calls in shap_filt (s2).
434    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
435      truncation level) 4/5 MLAdjust test results (11&12 digits match).
436    
437    checkpoint57t_post
438    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
439    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
440      same truncation, independent of the face number: affects affects several
441      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
442    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
443      note that biharmonic viscosity + no-slip was not tested in any experiment.
444    o fix bug in non-linear free-surf side-drag ; generate new output for
445      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
446    o make mnc honor the writeBinaryPrec flag for most kinds of output
447    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
448    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
449      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
450    o add brackets in multi-terms sum to get same truncation, independent of
451      the face number (manage to get exactly same value of gU,gV at the cs-edge)
452      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
453    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
454      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
455      a maximum grid-scale Reynolds number.  Also, changes all length calculations
456      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
457      Suggested values of viscosity parameters found in mom_calc_visc.
458      Many new viscosity diagnostics available.
459    
460    checkpoint57s_post
461    o Add clearing-house for viscosity calculations, mom_calc_visc and
462      correct numerous bugs in LeithD and Smagorinsky discretizations.  
463      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
464      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
465      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
466      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
467      The Strain-Tension form is now called with useStrainTensonVisc=.true.
468      ViscAhStrain and viscAhTension are now retired.
469    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
470    o In response to JMC's bug report, genmake2 now ignores any soft-links
471      that it finds in the *current* directory when searching for files.
472      Soft-links found in any other source directories will still work as
473      they did before.
474    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
475      a C routine to unlimit the stack size
476    o mnc-ify pkg/aim snapshot vars
477    o mnc-ify pkg/land as requested by Daniel
478    o various changes to mnc including:
479      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
480      - output can now be grouped so that all files within a group
481          change the ITER portion of their names in lock-step together
482      - can now read ("global") PER-FACE (in addition to PER-TILE) files
483          and works with both EXCH1 and EXCH2 (but needs more testing)
484      - writing works for all verification test cases w/ g77 on Linux
485    
486    checkpoint57r_post
487    o make MNC variable initialization happen earlier
488    o add diagnostics for (almost) each term of the momentum Eq.
489    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
490    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
491    o remove MINIMAL_TAVE_OUTPUT option ;
492      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
493    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
494      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
495    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
496    o add time-dependent SST, SSS control
497    o cost terms in ecco/ modularized (new cost_generic.F)
498    o cost_averages routines are modularized (new cost_averagesgeneric.F)
499    o new infrastructure for seaice model vs. obs misfits in seaice/
500      * driver from the_main_loop.F is seaice_cost_driver.F
501      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
502      * gradient check in Exp. 6a of natl_box_adjoint/
503    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
504      (see README file)
505    
506    checkpoint57q_post
507    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
508    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
509      - bug was reported by Jean-Michel and Ian Fenty
510    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
511      update exp. cpl_aim+ocn output.
512    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
513      Needed for high-res. runs with large global files
514      to be able to limit tapelev size
515    o Changed some tests for adjoint:
516      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
517      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
518      * global_ocean.90x40x15/ back to default 3-level checkpointing
519    o Modifications to enable scripted COMMON to MODULE conversion
520      * verification/OpenAD/code/ has necessary scripts and description;
521      * converts, compiles and runs successfully;
522    
523    checkpoint57p_post
524    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
525    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
526      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
527    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
528    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
529      (was already the case for dissipation with mom_vecinv,
530       and also the case for grad.PhiHyd when staggered-timeStep)
531      This will allow to put dissipation out-off the AB time-stepping.
532     Unfortunately, affects truncation error. Update output of exp. that "fails"
533      (cg2d matching number) and leave the others for later: front_relax(10),
534      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
535      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
536    
537    checkpoint57o_post
538    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
539      (2) its ready to be documented during the 20050801 DocFest
540    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
541      for ideal_2D_oce and lab_sea on linux_ia32_g77
542    o set to #undef CTRL_SET_OLD_MAXCVARS_30
543      in global1x1_tot/code_seaice_adj to access indices 32, 33
544      (worth another tag)
545    
546    checkpoint57n_post
547    o adding precip control xx_precip 32
548    o adding swflux control xx_swflux 33
549    o Replacing 10 forcing penalty cost routines by 1 generic.
550    o Implementing partitioning in time-mean and variable adjustment
551      for atmos. state.
552    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
553    o in natl_box_adjoint:
554      * updated exp 1 to 10
555        (but does not have time-mean vs. variable split results yet)
556    o updated global1x1/*_seaice_adj/
557      to incorporate latest changes
558    o enable useSingleCpuIO for mdsio vector routines
559      (applies in particular to tapelev I/O)
560    o removed inefficient K-loop in all active_file*control*.F
561    
562    checkpoint57m_post
563    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
564      and advect_cs (use EXCH-2 and standard cs-32 grid files).
565    o pkg/exch2: filling of face-corner halo regions is optional
566      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
567    
568    checkpoint57l_post
569     tag before updating tutorials (pre-release-2)
570    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
571       for output and interpolation of input fields onto model grid)
572    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
573       Affects results of exp. rotating_tank ; update output.txt.
574    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
575          and taking the square quantity and/or using a fraction-weight field.
576    o fix aim_diagnostics_init.F mate numbers.
577    o add mnc output capability to diagnostics/diagstat and update
578      our cvsignore files for the ACSII output generated
579    
580    checkpoint57k_post
581    o lab_sea now uses diagnostics package and provides a suite of
582      new EXF diagnostics output.
583    
584    checkpoint57j_post
585    o exf
586      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
587        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
588        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
589      * extended diagnostics output
590        - now includes all EXF variables
591        - hs, hl moved to common block
592        - separate S/R for diagnostics, called after ctrl vector is added
593        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
594        - EXFqnet contains true Qnet (i.e. includes qsw)
595      * updated verif. lab_sea, global_with_exf
596      * Rearranging hflux (exf_mapfields -> exf_getforcing)
597        to ensure that diagnostics sees a true EXFqnet
598    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
599    o diagnostics pkg: change pointers so that 1 diagnostic can be used
600      several times with different frequencies.
601    o mnc-ify the thsice package as requested by Daniel Enderton
602      - the monitor--MNC output needs work
603      - many attributes need to be added (most are currently blank)
604    o mnc-ify theaim_v23 package as requested by Daniel Enderton
605      - many attributes need to be added (most are currently blank)
606    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
607    o add Sadourny like discretization to the 4th.O vorticity advection scheme
608    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
609      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
610         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
611    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
612     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
613    
614    checkpoint57i_post
615    o Diagnostics package was changed: diagnostic allocation is now deactivated
616      by setting an empty file name in the namelist (used to be by setting 0 frequency)
617    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
618      add 1rst Order upwind vertical Shear.
619    o add a quick fix for A/B checkpointing in OFFLINE mode
620    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
621      end-run around the C/Fortran linking horror in eesup/src/timers.F
622    o added pkg/runclock: allows user to terminate run based on wall clock
623    o added non-hydrostatic scaling parameter: nh_am2
624    o pkg/my82: futile attempt to make results compiler-independent by adding
625      some "_d 0", etc. no effect.
626    o for mnc output, fill the 'T' coordinate var with myTime and create a
627      separate 'iter' variable for iteration count
628    o pkg/diagnostics:
629      add new capability: output of Global/Regional & per-level statistics ;
630      tested against monitor output (including land & thSIce) on various exp.
631    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
632    
633    checkpoint57h_done
634      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
635      data.diagnostics, data.gchem, data.ptracers) is done.
636    
637    o pkg/diagnostics: prepare for Global/Regional statistics.
638      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
639    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
640      and rename it: DIFFERENT_MULTIPLE
641    
642    checkpoint57h_post
643    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
644    o pkg/diagnostics: change output frequency, now in seconds (instead
645      of Nb of iterations). This requires to change data.diagnostics.
646    checkpoint57h_pre
647    
648    o in mnc, let the user create the output dir if both mnc_outdir_date
649      and mnc_outdir_num are false
650    o add fflags() to pkg/diagnostics which allows one to specify, on a
651      per-file basis, the file precision [default behavior is unchanged]
652    o added diagnostics to pkg/kpp, including computation of mixed layer
653      depth based on a temperature/density criterion
654    o updated verification/natl_box to test the new pkg/kpp diagnostics
655    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
656    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
657    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
658      not mnc -- this mistake was found by JMC and is now corrected
659    
660    checkpoint57g_post
661    o add Adams-Bashforth 3rd Order time stepping:
662      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
663      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
664    checkpoint57g_pre
665    
666    o make lambda[Theta,Salt]ClimRelax spatially varying
667      (default remains spatially uniform constant based on tau)
668    o added new control variables
669      * init. uVel, vVel, etanN
670      * lambda[Theta,Salt]ClimRelax
671    o separate masks used for ctrl_pack/unpack 'from write_grid' output
672      (suggested by G. Forget)
673    
674    checkpoint57f_post
675    o add parameter "baseTime" = model base time = time at iteration zero
676      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
677      account for baseTime shift
678    o move Coriolis arrays from PARAMS.h to GRID.h
679    checkpoint57f_pre
680    
681    o mnc-ifying the seaice package
682    o introduced an alternative length scale calculation for use in the limiting
683      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
684    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
685    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
686      as well as grad(vort3).  Made it compatible with both approximate form
687      for the cubed sphere and full form of these gradients.  Added flag
688      useFullLeith to select between approximate and full form.  
689    o add "d0" in getcon.F to reduce differences between compilers/platforms
690      update output.txt of exp. fizhi-gridalt-hs
691    o change port_rand funtion to allow to set the seed.
692    o fix obscure MNC bug involving conversion between reals and integers
693      - it caused no problems with certain (eg. gcc, ifc) compilers but the
694        new version is now more standards-compliant
695    o adjoint-related modifications
696      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
697      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
698      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
699    
700    checkpoint57e_post
701    o Adding eddy stress controls a la Ferreira et al.
702    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
703    
704    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
705      update output.txt of exp. fizhi-gridalt-hs
706    o add more "Z" dimensions and associated coordinate vars to MNC
707    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
708    o parameter calendarDumps: when set, approximate months (30-31 days) and years
709      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
710      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
711      months and years.  Requires pkg/cal.
712    o diagnostics: add pickup functionality
713      - off by default for backwards compatibility
714      - current version only uses MDSIO -- MNC will be added
715    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
716    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
717    
718    checkpoint57d_post
719    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
720    o modify verification/ideal_2D_oce so that it tests the creation of mnc
721      output from the diagnostics package
722    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
723    o make genmake2 more portable by using ".$FS" instead of ".f" for more
724      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
725    o add coordinate variables to the MNC output from the diagnostics package
726    o change MNC-flags default value: true when useMNC=TRUE
727    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
728      the ability (off by default) to read the grid information using MNC
729    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
730    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
731    o do snap-shot diagnostics at the middle of the time-interval (instead of
732      at the end).
733    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
734      new test for AIM with thSIce + slab-ocean
735    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
736    o move state variable diagnostics to the beginning of the time step ;
737      (note: still needs some work specially for snap-shot diagnostics)
738      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
739    
740    checkpoint57c_post
741    o Change testing option (-ieee) to get closer agreement between g77 & ifort
742    o generate new output.txt files on faulks with g77 & the new -ieee option
743    checkpoint57c_pre
744    
745    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
746      update output.txt of exp. global_ocean.90x40x15
747    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
748      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
749    o add saltFlux(+File) forcing capability with periodicExternalForcing
750    o allow to use pkg diagnostics for GM-Redi & ThSIce output
751    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
752    o improvements for the MNC output from DIAGNOSTICS:
753      - correct handling of the unlimitied dimension
754      - all dims now have associated coordinate variables
755      - variables located at U, V, and Corner ("Z") points are now written
756        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
757        *all* data points are output
758    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
759    o added pkg/seaice/seaice_monitor.F
760    o mdsio_readfield.F can now read files visible only to master MPI process.
761    o pkg/seaice: some test code for ice-modified ocean stress
762    o exf_getffields interpolation defaults to bilinear for all scalar forcing
763      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
764      spurious negative numbers for precipitation and humidity.  Will cause
765      some small numerical differences for integrations using pkg/exf/exf_interp.F.
766    o pkg/ctrl/
767      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
768        May be enabled via doPackDiag
769      *  introduce z-scaling of
770         + gradient (doZscalePack) and
771         + control (doZscaleUnpack)
772    o pkg/mdsio/
773      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
774      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
775    
776    checkpoint57b_post
777    o simplify options in diagnostics_fill arguments (remove weird combinations)
778    o fix MNC coordinate variables so that they now contain per-face index
779      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
780      general, EXCH2 grids are only aligned to a "local" coordinate system
781    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
782    o Implement instantaneous output within pkg diagnostics:
783      setting a negative frequency in data.diagnostics produces
784     "snap-shot" output (as opposed to time-average if freq > 0)
785    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
786      NOTE: change ptracer diagnostics name: use 2 characters to work with
787            more than 9 tracers. Add also diagnostics of advect & diffus flux.
788    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
789      becomes the coordinate variable for the 'T' dimension
790    o add CF-style coordinate variables to MNC
791      - just a first cut:  numbers are meaningless on the cubesphere and
792        missing along the T axis but otherwise it works!
793    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
794    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
795    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
796      this is based directly on what the model compute, so that the content of
797      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
798    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
799    o clean up build options files for SunOS, in particular
800      - remove -traditional from xmakedepend
801      - change -xarch=v9 to -xarch=native for f77
802      - restore use of make (not gmake)
803      - add CC=gcc if using g77
804    o changes per discussion of AM, JMC, & EH3 today:
805      - move redundant "grid" variables out of "state" -- in preparation of
806        creating proper CF-style coordinate variables and in recognition
807        that any/all grid variables can be easily copied (eg. w/NCO) from
808        the grid files into any of the other NetCDF files
809      - *always* output grid variables with MDSIO (this will eventually be
810        changed)
811      - output MNC grid file if useMNC is true
812    o every instance of _END_MASTER() has been found and replaced with
813      _END_MASTER( myThid ) in order to satisfy certain picky Sun
814      preprocessors
815    o re-arrange diagnostics pkg initialisation:
816     - allow each package to extend the available diagnostics list
817     - add some checking and fix small problems (multi-threaded, ...)
818     - new S/R diagnostics_fill (replace fill_diagnostics):
819       look through the short list of active diag. (instead of the long list)
820       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
821    
822    checkpoint57a_post
823    o this set of changes restores TAMC compatibility
824      tested for global_ocean.90x40x15 adjoint on trough
825      (what a pain)
826    
827    checkpoint57a_pre
828    o some modifs in tools/build_options for sunos
829    o call ctrl_pack for ctrl at end for optimcycle=0
830    
831    checkpoint57
832    o add horizontal bi-harmonic viscosity for vertical velocity
833      - new parameter viscA4W (defaults to viscA4)
834      - affects only non-hydrostatic code
835      - to be done: no-slip lateral boundary conditions
836    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
837    o implement Implicit Vertical advection for pTracers
838    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
839      (implemented also for implicit vertical diffusion & advection)
840    o OBCS: extend application of tracer open boundary conditions
841      to a strip beyond the boundary of width Olx/Oly
842    o add call monitor to TAF set of required calls (flow directives)
843      and include in natl_box_adjoint
844    o untangle a few ifdefs related to cost, ctrl, autodiff
845      untangel a few ALLOW_ECCO_OPTIMIZATION
846    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
847      (theta2, salt2 in ecco_cost_weights)
848    
849    checkpoint56c_post
850    o OBCS as control variables
851      - update ctrl_ad_diff.list, obcs_ad_diff.list
852      - remove balance of obcs controls from default
853      - fix index bug nobcs in ctrl_init
854      - fix dummy fields filen in ctrl_pack
855      - add dummy weights for obcs
856    o lsopt: comment out fort.94 output
857    o optim:
858      - remove unnecessary header files
859      - adjusted namelists
860      - add xerbla.F to Makefile
861    o exf:
862      - multiple modifications of exf_check_range
863      - unit change in exf_init_runoff from [m/year] to [m/s]
864    o mdsio:
865      - i/o-vector change debugLevel from debLevA to debLevB
866    
867    checkpoint56b_post
868    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
869      is called from DO_THE_MODEL_IO
870      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
871      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
872      - clean up PTRACERS_WRITE_TIMEAVE a little
873    o add another verification experiment that tests both the cfc-pkg and
874      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
875      reactive tendencies treated inline with regular timestepping
876    o testreport previously did a lousy job of comparing small numbers, so
877      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
878      implemented in the little c-progam tmp_cmpnum.c which is embedded in
879      testreport.
880    o ptracers_monitor: bug fix for MPI
881    
882    checkpoint56a_post
883    o GCHEM: finish reorganizating the package
884      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
885        (introduces another 3D-array for each passive tracer, but only if
886        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
887        gchemTendency is not needed because the timestep is done separately)
888      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
889      - GCHEM is now---more or less cleanly---separate from PTRACERS
890      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
891        so clear to me how that should be done in a general way.
892    o CFC: improve formatting of output in CFC_ATMOS
893    o PTRACERS:
894      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
895        that ALL experiments with ptracers enable can be checked. This makes
896        GCHEM_MONITOR obsolete.
897      - include a runtime parameter PTRACERS_monitorFreq that defaults to
898        monitorFreq
899      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
900    o add PTRACERS (PTR0[1-5]) to testreport output
901    o exf_check_range:
902      * default changed to .TRUE.
903      * will check values for niter0 if debLevA, every timestep if debLevB
904      * STOP in exf_check_range if 'out of range'
905      * range chosen generous to allow for potential extema
906      TBD: a version with stricter range
907           permitted range would be runtime parameters
908    o GMredi:
909      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
910      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
911      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
912    o GCHEM:
913      - move call to GCHEM_FORCING_SEP, so that it is now called before
914        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
915      - introduced a useGCHEM runtime flag and applied it everywhere.
916      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
917        this flag is now only visible within GCHEM-pkg routines.
918      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
919        be replaced by a 3D array that is computed before thermodynamics; for
920        this, the tracer ID iTracer had to be included into the parameter list
921        of ptracers_forcing
922      - set up forward_step to call gchem_forcing, that will replace
923        gchem_forcing_int in ptracers_forcing
924      - cleaning up
925    o small cleaning of exch2: remove files that are also in eesupp/src
926    
927    checkpoint56
928    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
929    o mnc: cleanup "full" files--fixes out-of-memory problem
930    o ECCO-GODAE
931      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
932      * fully merged and updated from SIO code
933        windstress sign change affects
934        - exf_inscal_[u/v]stress
935        - sign of xx_tau[u/v] adjustments
936        - signs in cost_scat
937      * ctrl_get_gen: avoid update of tau[u/v] for first few days
938      * natl_box_adjoint updated and compressed
939      * 2-level checkpoint switch added
940        (tested in EXP. 1 of natl_box_adjoint)
941      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
942    o SVD
943      * first complete, non-hacked version for SVD calculations
944      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
945        performed via direct access files admtlm_vector.it????
946        (via ctrl_[un]pack)
947      * optimcycle is used for ARPACK iteration counter
948        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
949      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
950        and add linear transforms where necessary
951      * controls are initial/final SST, SSS (can be extended; need to check
952        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
953    o mdsio: filename info to both stderr, stdout
954    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
955      from sign change
956    
957    checkpoint55j_post
958    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
959      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
960    o add consistent build directories and .cvsignore files to verification
961    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
962    o make all subroutines 30 or less characters in length for certain older
963      compilers to work (a thorough search only turns up two routines in
964      pkg/ptracers)
965    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
966      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
967    
968    checkpoint55i_post
969    o change arrays for total vertical diffusivity (2.D if explicit,
970      3.D if implicit) ; each ptracer uses its own background value.
971    o added mnc/NetCDF output capability to ocn_compon_interf
972      - added bits to verification/cpl_aim+ocn so that it can run on
973        ITRDA and other clusters without the mpirun "-wd" option
974    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
975      configuration
976    o give MNC the ability to create additional files rather than
977      exceeding a specified file size limit "MNC_MAX_FILESIZE"
978      - the default is just less than 2GB which is a practical limit
979        on many systems
980    o Compute the non-local term using either KPP vertical diffusivity (=default)
981       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
982    
983    checkpoint55h_post
984    o add verification test "vermix"
985    o remove all the *_ioinc flags and replace with the single global
986      outputTypesInclusive flag
987    o allow to set a vertical profile of vertical diffusivity for T & S
988    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
989    o useMNC moved from data.mnc to data.pkg
990    
991    checkpoint55g_post
992    o Renaming carbon AD experiments to comply with testreport conventions
993    o Updating adjoint of Held-Suarez hs94.1x64x5
994    o Fixing directives for non-ECCO forward_step, after ECCO directives
995      have been fixed to avoid recomp. of do_oceanic_phys
996      Works well for global_ocean.90x40x15,
997      but recomp. issue remains for carbon
998    o Updating adjoint output for natl_box_adjoint after
999      pkg/ecco has been modified (see taga c55d_post)
1000    
1001    checkpoint55f_post
1002    o rename to timeave_init_fixed
1003    
1004    checkpoint55e_post
1005    o some delicate re-shuffle of store directives to avoid one
1006      extra call of do_oceanic_physics
1007      affects ecco_the_main_loop.F, do_oceanic_physics.F
1008      checkpoint_lev1_directives.h
1009    o NB: this may break global_ocean adjoint temporarily,
1010      but it is clear how to fix it. Will do later, need this now.
1011    
1012    checkpoint55d_post
1013    o ECCO specific cost function terms (up-to-date with 1x1 runs)
1014    o ecco_cost_weights is modified to 1x1 runs
1015    o modifs to allow observations to be read in as
1016      single file or yearly files
1017    o enable to read exf forcing fields as either
1018      single file or yearly files (flag useExfYearlyFields)
1019    checkpoint55d_pre
1020    
1021    o switch between 2-level and 3-level checkpointing
1022    o add ability of MNC to write local and "partial" (eg. 2D slices where
1023      the full 3D field is never actually stored) arrays to NetCDF files
1024      with the correct (that is, the complete multi-dimensional) set of
1025      array indicies
1026      - used in mom_vecinv() to write the diagFreq output
1027      - tested (demonstrated) in verification/aim.5l_cs
1028    o further mnc-ification
1029      - add verification/lab_sea to the list with mnc setups
1030      - fix undefined mnc v-names in cd_code
1031      - add kpp to mnc output (both snapshot and timeave)
1032    o non-hydrostatic code
1033      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1034        in calc_gw.F
1035      - defaults to viscAh
1036      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1037        friction or Leith) in non-hydrostatic mode, as long as there is
1038        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1039    o pkg/cost
1040      extend simple cost functions to treat time mean quantities
1041      (T,U,V) via cost_accumulate_state from cost_tile
1042    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1043        be 2 times larger than the minimum size the advection scheme requires.
1044        now get a perfect conservation of salt in advect_cs test-exp (updated)
1045    o GGL90 (Gaspar's TKE mixed layer)
1046      - add horizontal diffusion of TKE, requires exchanges in
1047        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1048        default. In OPA there is no horizontal diffusion of TKE but the
1049        mixing coefficients are computed from a horizontal average of TKE of
1050        6 points or so. I think that diffusion has a little more physical
1051        justification.
1052      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1053        was in vain)
1054      - mask tke-variable in ggl90_init
1055    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1056    o fix biharmonic diffusion on CS-grid.
1057    o more obcs stuff
1058      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1059        for reading boundary values. This routine is called from
1060        obcs_prescribe_read
1061      - updated obcs_check
1062      - changed sponge layer relaxation parameter units for days to seconds
1063      - turned off sponge layer by default
1064      - changed argument list of OBCS_CALC to myTime+deltaTclock
1065      - fixed about 35 bugs in obcs_external_fields_load
1066    
1067    checkpoint55c_post
1068    o obcs stuff
1069      - new runtime flags useOBCSprescribe, useOBCSbalance
1070      - re-arranged obcs_calc
1071      - moved exf_getobcs to obcs_prescibe_read
1072        obcs_prescibe_read is called after ORLANSKI stuff
1073        and independent of it (executable can contain all).
1074      - updated obcs_check
1075      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1076        These may be necessary only if tangential velocities are
1077        prescribed at OB, not sure, needs testing.
1078    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1079      which simplifies the calls and passes the ifc check-bounds test
1080    
1081    checkpoint55b_post
1082    o add a 2D scalar, Z location, exchange_2 routine.
1083    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1084      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1085      affects advect_cs results (for the wrong reason): update output.txt
1086    o use a more standard discretization for biharmonic viscosity ;
1087     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1088      affects results of dome set-up: update output.txt
1089    o fix gad_advection.F (CubedSphere part), back to version 1.23
1090    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1091    
1092    checkpoint55a_post
1093    o merged code to
1094      * prescribe/read time-dependent open boundaries
1095        (works in conjunction with exf, cal)
1096      * sponge layer code for open boundaries
1097      * each boundary N/S/E/W now has its own CPP option
1098        (healthy for the adjoint)
1099    
1100    checkpoint55
1101    o up-to-date adjoint of previous breaks
1102      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1103      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1104      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1105      - carbon: * remove tr1-related adjoint verification
1106                * add ptracer as control variable
1107    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1108      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1109    
1110    checkpoint54f_post
1111    o in verification/carbin/ remove experiment related to
1112      ALLOW_PASSIVE_TRACER (array tr1 etc)
1113      code_ad/ input_ad/ results_ad
1114    
1115    o add two new packages
1116      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1117        + subject to optimization (memory)
1118      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1119        + subject to reordering (many GOTOs in the original code)
1120        + so far opps is called for every (i,j) point, and then operates in
1121          the vertical; one may want to reorder the scheme in order operate in
1122          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1123          fields)
1124    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1125      - all verification tests compile and run with linux_ia32_g77
1126      - defaults are compatible with current input files--nothing
1127        should change if you were not previously using MNC
1128      - MNC output has been added in numerous places (eg. timeave)
1129        but there are still a few writes not yet do-able with MNC
1130        (this is in progress)
1131      - flags now allow for either/or/both use of MDSIO and MNC and
1132        documentation will soon follow
1133      - numerous small formatting cleanups for ProTeX
1134    o add version info (via BUILD_INFO.h) to MNC and stdout
1135    
1136    checkpoint54e_post
1137    o add two new packages
1138      - pp81 (Packanowski and Philander, 1981), Richardson number and
1139        stratification dependent mixing
1140      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1141      - these scheme operate in a similar manner as KPP (without ghat, of
1142        course), however there is only one diffusivity that is used for both
1143        temperature and salinity (and passive tracers)ç
1144    o add offline package
1145    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1146      provided by Stephanie Dutkiewicz
1147    o genmake2: add ability to search for C compilers and cleanup test output
1148      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1149    
1150    checkpoint54d_post
1151    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1152    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1153      leading to additional shift by 5 days each year of integration
1154       (i.e. leading to considerable offset over the years)
1155    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1156    o start with no AB and no initial filtering (staggerTimeStep):
1157      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1158    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1159      (external loading & cpl import/export stay in forward_step.F)
1160    o update coupling interface to work with new staggerTimeStep
1161    o change MDSIO ptracers_pickup.
1162    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1163    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1164    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1165    
1166    checkpoint54c_post
1167    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1168      this affects (truncation error) output.txt of test-exp:
1169       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1170    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1171    o change Qnet to always be the net heat flux, (+upward).
1172      affects (truncation error) output of natl_box exp.: updated
1173    o define the max number of passive tracers in PTRACERS_SIZE.h
1174    o start to test mnc routinely in exp0
1175    o add sea-ice loading (sIceLoad) as a new forcing field.
1176    
1177    checkpoint54b_post
1178    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1179       impressive on Altix and Opteron systems)
1180    o diagnostics can now write NetCDF files through the mnc package
1181    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1182    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1183    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1184      affects (truncation error) output of lab_sea & natl_box exp.: updated
1185    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1186    
1187    checkpoint54a_post
1188    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1189    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1190    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1191    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1192      + internal_wave (shift in writing cg2d_ini_res)
1193    checkpoint54a_pre
1194    
1195    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1196      - modified verification/lab_sea and natl_box_adjoint accordingly
1197    
1198    checkpoint54
1199    checkpoint53g_post
1200    o prepare splitting of thermodynamics: store convect.counter in common block
1201    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1202      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1203    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1204    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1205    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1206    o restore adjointability
1207    
1208    checkpoint53f_post
1209    o modifications that affect AIM experiment results (update output.txt):
1210      - no advection of S at top interface Nr (pkg/generic_advdiff)
1211      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1212    o AIM pkg:
1213      - include stability function into surf.Flux derivative relative to Tsurf
1214      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1215    
1216    checkpoint53e_post
1217    o merged cylindrical coord configuration
1218    o added rotating_tank experiment
1219    checkpoint53e_pre
1220    
1221    checkpoint53d_post
1222    o faulks upgraded: re-generate output.txt that have changed:
1223       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1224    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1225    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1226    o added Sadourny discretization of Coriolis
1227      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1228      - re-enabled use of omega3 (useAbsVorticity)
1229    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1230      vector-invariant equations
1231      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1232    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1233      hopefully without new bugs
1234      - still to do: biharmonic friction for non-hydrostatic w
1235    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1236    o regenerated output for global_ocean_ebm (using -ieee)
1237    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1238      of mom_common/
1239      - simple re-arrangement of instructions within computing loop
1240    checkpoint53d_pre
1241    
1242    checkpoint53c_post
1243    o new version of coupler for AIM+thSIce and Ocean models
1244     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1245     - land: change Evaporation of snow
1246     - aim with thSIce: fix bug in snow-precip.
1247    o changes to calc_gw.F
1248     - bug fix for w^2 term near the bottom boundary
1249     - (hopefully) improve the lateral slip boundary condtions for use with
1250        partial/looped cells
1251      - because the bug fix changes two verification experiments anyway (exp5
1252        and plume on slope), change the lateral boundary condition from half slip
1253        to the value of no_slip_sides
1254    o ebm package wasnt quite up to the parallel task. Fixed that.
1255    o Adjoint of EBM package + verification
1256      * TLM OK
1257      * ADM not sufficient accuracy yet (needs further testing)
1258    
1259    checkpoint53b_post
1260    o Commiting new energy balance model to repository
1261      * package is pkg/ebm
1262      * verif. is verification/global_ocean_ebm
1263      * references are in ebm_driver.F
1264    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1265    C        Global thermohaline circulation. Part I:
1266    C        Sensitivity to atmospheric moisture transport.
1267    C        J. Climate 12(1), 71-82
1268    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1269    C        Global thermohaline circulation. Part II:
1270    C        Sensitivity with interactive transport.
1271    C        J. Climate 12(1), 83-91
1272    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1273    C        Destabilization of the thermohaline circulation
1274    C        by atmospheric eddy transports.
1275    C        J. Climate 7(12), 1870-1882
1276    o Will need long integration testing.
1277    checkpoint53b_pre
1278    
1279    o created pkg/mom_common in preparation for variable viscosity code
1280    o renamed and split ini_mnc_io
1281    o pkg/land: only liquid water can diffuse or run-off
1282    o AIM using land: soil wetness availability account for snow
1283    o added printMapIncludesZeros to EEPARMS namelist
1284    
1285    checkpoint53a_post
1286    o restore TAMC compatiility for exf_constants.h
1287      (no usage of _d in .h)
1288    o Additional storing in KPP in an attempt to fix
1289      TAMC problem with adjoint of KPP code.
1290      (no success...)
1291      Identical code works fine with TAF.
1292    o Fixed verification/natl_box_adjoint experiments.
1293      Initial conditions for Experiments 4 and 5 are now
1294      set to "SEAICE_initialHEFF=0", which is more reasonable,
1295      and hence gives results closer to that of Experiment 2.
1296      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1297    
1298    checkpoint53
1299    o stable checkpoint with up to date adjoint
1300      TLM tests only run for 1st grdchk at the moment. Its unclear if
1301      this is a code problem or a problem with resetting code for g_
1302      variables that is being autogenerated wrong.
1303      Otherwise:
1304       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1305       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1306         are both still in chaos following their security messes.
1307    
1308    checkpoint52n_post
1309    o various build (mostly genmake2) changes including:
1310      - ability to build/run more easily within Cygwin and MacOS X
1311      - more complicated Makefiles with a stronger dependence on Gnu Make
1312    o pkg/seaice modifications
1313      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1314        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1315        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1316      - changed proxy for geostrophic velocity and updated
1317        verification/lab_sea/results/* accordingly
1318      - removed ADI dynamic solver from pkg/seaice
1319      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1320        they caused a segmentation fault under certain circumstances
1321      - removed unused field WATR
1322    o bug fix in exf-package:
1323      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1324         now reflect that.
1325    o small fixes in the cal-package:
1326      - set reference date to first of January for the 'model'-calendar
1327      - failing of cal_CheckDate in cal_FullDate now actually results in a
1328        warning
1329    o small modifications in exf-package to increase flexibility:
1330      - change climtempfreeze from a constant to a runtime parameter that
1331        is specified in data.exf_clim (default = -1.9)
1332      - introduce runtime parameter windstressmax (default = 2.0) that is
1333        specified in data.exf
1334    o fix in pkg/thsice:
1335      - update Evap (Tsf changes) to be consistent with Latent heat flux
1336      - maintain snow precipitation unchanged (even if Tsf >=0).
1337     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1338    
1339    checkpoint52m_post
1340    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1341      this does not change any of the results, because myIter=0 in swfrac always
1342      lead to jwtype=2 (the default anyway), but the call makes little sense
1343      as a default
1344    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1345    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1346      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1347    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1348    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1349    o extending useSingleCpuIO option to work with new exch2 I/O format
1350      - old-style, missing-tile I/O is still accessible by defining CPP
1351        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1352    o monitor package can write to NetCDF files and/or STDOUT
1353    o fix re-definition bug in MNC_GRID_INIT_ALL()
1354    o doc/api_reference added
1355      - a framework for building an API Reference Manual using all
1356        the "protex" comments embedded in the code
1357      - see pkg/generic_advdiff, pkg/mnc for examples
1358    o MNC:
1359      - make myThid the last argument for all subroutines
1360      - new default for the grid files: NO halos
1361      - add useMNC and other run-time flags
1362      - separate per-file-group handling of the unlimited dimension
1363      - early initialization of MNC w/ flags read at the eeboot stage
1364        and lookup tables set in initialize_fixed
1365      - write all MNC output to a freshly-created directory
1366    o thermodynamics sea-ice (thsice) is now tested with testreport.
1367    o test exp. advect_cs: use the standard cs32 grid ; update output.
1368    o Added functionality to grdchk:
1369      pick global i,j,k position (or nearest wet) where to perform check.
1370    
1371    checkpoint52l_post
1372    o new land formulation:
1373      a) use ground enthalpy as prognostic variable to ensure exact
1374         energy conservation.
1375      b) account for water temperature and for latent heat of freezing
1376         in all processes (rain, run-off, ground storage)
1377      c) compute surface and ground temperature implicitly.
1378    o aim_v23 modification for new land model:
1379      a) Treat separately land / ocean / sea-ice surface fluxes
1380         to allow implicit computation of land & sea-ice surface temp.
1381      b) add snow precipitation.
1382    checkpoint52l_pre
1383    
1384    o fix problem (when 1 tile is empty) in min/max monitor.
1385    o fix bug in timeAve (u,vZetatave in common block)
1386    o no restoring terms under ice for pkg/seaice
1387    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1388    o bug fix for pkg/seaice pickups
1389    o change MNC call locations and add coordinate attributes
1390    o mask vorticity at the corner ; affects global_ocean.cs output
1391    o fix ini_curvilinear_grid ; test CS experiments with mpi
1392    o aim.5l_cs: modify sea-ice fraction input file ; update output
1393    o exf: Adding simple range check routine for exf fields after read
1394    
1395    checkpoint52k_post
1396    o removed top-level directory "diags"
1397      - we migrated these functions to pkg/timeave a long time ago
1398    o fixed bug introduced in pkg/monitor
1399    o accuracy ctrlprec = 32 insuffient for gradient checks using
1400      averaged fields (I/O via cost_averages)
1401      -> use ctrl.h in active_file*.F to control I/O precision.
1402    o paramter list of CALL ADTHE_MAIN_LOOP
1403    o added initial do_the_model_io to ecco
1404    o set all ...Freq to zero after cost_final
1405      taveFreq, dumpFreq, pChkptFreq
1406    o MAIN and ECCO differentiability restored
1407    
1408    checkpoint52j_post
1409    o fix nchklev in tamc.h for global_ocean...
1410    o Bringing flow and store directives up-to-date
1411    o Really weird thing!
1412      call do_the_model_io from the_main_loop with parameters
1413      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1414      TAF places a faulty re-call of initialise_varia
1415      after cost_final call which should not be there!
1416    checkpoint52j_pre
1417    
1418    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1419      error messages
1420    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1421    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1422      debug output
1423    o modfied mdsio_writefield.F to handle non-global files under exch2
1424    o update AIM Cubed-Sphere exp (aim.5l_cs):
1425      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1426    o update AIM Equatorial Channel exp:
1427      use standard aim_v23 pkg and change the SST fields to be more realistic.
1428    o globalFile now works with exch2
1429    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1430      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1431    o limit timeave output for hi-res integrations
1432    
1433    checkpoint52i_post
1434    o removed CPP_EEOPTIONS.h from verification/*/code
1435    o updated the tiling for global_ocean_pressure
1436    checkpoint52i_pre
1437    
1438    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1439      the old pkg/aim).
1440    
1441    checkpoint52h_pre
1442    o shortened offending lines in exch2_send_rx?.template
1443    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1444    o genmake2: add build & execute test for NetCDF code
1445    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1446      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1447    o added useSingleCPUIO flag to monitor.F and mon_out.F
1448    o added temporary hack for sea-ice dynamics on the cube:
1449      metric terms are ignored and it is assumed that
1450      there is no sea-ice on cube faces 1, 2, 4, and 5.
1451    
1452    checkpoint52f_post
1453    o added exch2 cube routines to pkg/exch2
1454    o modified hs94.cs-32x32x5 to use it
1455    o added new grid files to hs94.cs-32x32x5
1456    checkpoint52f_pre
1457    
1458    checkpoint52e_post
1459    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1460      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1461    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1462      to work with implicit vertical advection and AB ;
1463    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1464    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1465     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1466    checkpoint52e_pre
1467    
1468    o fix bug in impldiff when Nr=1 or Nr=2.
1469  o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt  o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1470  o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.  o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1471  o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2  o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2

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