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revision 1.198 by edhill, Tue Oct 28 22:57:59 2003 UTC revision 1.663 by mlosch, Sat Jun 3 21:40:08 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 couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
8      to pkg/seaice):
9      - new routines thsice_map_exf and thsice_get_exf provide the interface
10      - add an additional formal parameter to thsice_solve4temp
11    o pkg/exf:
12      - add new fields wspeed, snowprecip (to be able to couple to thsice)
13      - correct Stefan-Boltzmann constant
14      - new parameter for longwave surface emittance
15      - separate some stuff from exf_bulkformulae into new routines  
16        exf_radiation, exf_wind
17      - add new parameters and constants: longwave emissivity for ocean, ice
18        and snow, evaporation parameters over ice
19      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
20        either wind from stress or stress from wind
21    o pkg/thSIce:
22    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
23    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
24       and THSICE_CALC_THICKN
25    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
26    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
27      to make debugging easier.
28    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
29    o pkg/bulk_force:
30      - clean-up comments and parameters ;
31      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
32    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
33      generate new output for test-experiment: aim.5l_cs.thSI
34    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
35      testreport accordingly
36    
37    checkpoint58e_post
38    o SEAICE_CGRID adjoint done
39    o R_STAR adjoint implemented.
40      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
41      * need to sort out init. of h0facc, etc.
42    o Make pkg/profile fully independent of ecco,cost, etc. stuff
43      to be able to use it in pure forward.
44    
45    checkpoint58d_post
46    o upgrade simple test-experiment to tutorial example:
47     step.1: duplicate the experiment and (step.2) will remove the old copy.
48      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
49      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
50      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
51      tutorial_global_oce_biogeo    <- copy of dic_example
52      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
53      tutorial_plume_on_slope       <- copy of plume_on_slope
54      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
55      tutorial_global_oce_optim     <- empty for now (David ?)
56      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
57     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
58    o correct a sign problem in cost_scat.F
59    o obcs and ptracers: fix boundary conditions for advections schemes
60      with larger stencil
61    o thsice adjoint: start
62    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
63      completeness
64    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
65      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
66    o ptracers adjoint:
67      * avoid extensive recomputatations
68      * fix missing re-init. of gptr (missed by TAF)
69    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
70      me to turn off the excessive output to STDOUT that this package produces
71    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
72      and add those terms in Vector-Invariant formulation.
73    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
74      if the control period (xx_hfluxperiod etc) is 0
75    o in profiles pkg, clean routines and fix details
76    o in ecco pkg, reading ssh data:
77      fix problem in case the model does not start at iter0=0
78    o fix mnc-pickup/restart for ptracers
79    o new package prifiles:
80      code to compute profile-based cost by Gael Forget
81      (modifs in ecco, ctrl, autodiff)
82    o Benign bug fix in initialization (spotted by M. Mazloff) of
83      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
84    
85    checkpoint58c_post
86    o adjoint: finish NLFS adjoint and provide reference output in
87      verification/global_ocean.90x40x15/results_ad_nlfs
88    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
89      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
90      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
91      with SEAICE_CGRID defined.
92    o move calendarDumps from "data" to "data.cal" and clean-up the code
93      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
94    o add useEXF & useCAL flags (for now, set in hard-coded way)
95    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
96      (were missing in NH mode, and wrong in quasihydrostatic mode).
97      waiting for Chris updated version of calc_gw to add those CALLs.
98    o fix bug in quasihydrostatic S/R ;
99      add a test for this option: global_ocean.90x40x15.qshyd
100    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
101      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
102    o add on/off flag useOffLine for package OFFLINE
103    o seaice:
104      - modify advection so that it works also on the C-grid
105      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
106        problem in multi-tile runs with C-grid
107      - add flags for clipping ice velocities and/or masking solver forcing
108      - fix drag (ocean on ice) formulation and a bug that caused noise in the
109        C-grid solver
110      - added a few comments to seaice_diffusion.F
111      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
112        are now exclusive)
113      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
114        required re-ordering the code a little:
115       + make DAIRN global variable (defined in SEAICE)
116       + move computation of the viscosities eta and zeta into a new separate
117         routine (because I need to recompute them in seaice_ocean_stress.F)
118    
119    checkpoint58b_post
120    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
121      update output.txt of exp. aim.5l_cs.thSI
122    o various mnc cleanups and improvements:
123      + shrink lookup tables by factor of ~4
124      + better error reporting when running out of lookup space
125      + able to handle longer path/file names (up to 500 chars)
126    o adjoint:
127      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
128      - TBD: "hidden" mom_vecinv recomp. in dynamics
129    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
130     (allow to differentiate between forcing components using new integer flags:
131      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
132     and add new flag to put Dissipation tendency out of Adams-Bashforth.
133    o ecco
134      - enable trend removal from SSH anomaly obs.
135    o adjoint
136      - a fix for PmEpR when #undef EXACT_CONSERV
137      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
138      - try to fix "hidden" recomp. in forward_step for NLFS
139        (NLFS seems broken sometimes after I checked it in)
140    o seaice:
141     - add c-grid version of the dynamic solver:
142       + three new routines that are the c-grid substitute lsr, dynsolver
143         and ostres
144       + put a few fields that were local to dynsolver into global common
145         blocks, so that I can move the computation of stresses etc into
146         seaice_lsr (saves coding but may break the adjoint).
147     - replace more hardwired parameters by runtime parameters
148     - add ice masks that mask the rhs of the implicit solvers where there
149       is no ice (commented out in seaice_dynsolver, because i am not sure
150       if this works properly), eventually this should replace the clipping
151       of ice velocities in seaice_dynsolver to +/-40cm/s.
152    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
153      include it only where its needed
154    o move balancing of fluxes before the call of external_forcing_surf
155    o seaice:
156      - correct units of turning angles (now they are really in degrees)
157      - move computation of GWATX/Y out of main routine into dynsolver
158      - initialize GWATX/Y in seaice_init
159    o Apply mask on Fresh-Water flux (needed for SSH forcing).
160      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
161    o seaice: add runtime flags for turning angles (default to zero)
162    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
163      and trend from exf forcing and ctrl control adjustments
164    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
165      (since checkpoint57x_post)
166    o change the default rotation period to 86164.s = the Earth rotation
167    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
168      and based on a reference stratification. Tested within hs94.cs-32x32x5.
169    o seaice advection: add code for choosing between the default (2nd order
170      central differences) and multiDim advection schemes provided by
171      pkg/generic_advdiff
172    o seaice:
173      - removed all references to SEAICE_GRID.h fields from
174        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
175        (cubed-sphere configuration will change a little)
176      - grid computations in seaice_init are obsolete now.
177      - cleaned up code a little so that is easier to read (hopefully).
178      - added new (better?) discretizations of default advection and diffusion
179        (turn on with SEAICEuseFluxForm)
180      - replace 1 in 3d global fields by kSurface in growth.F
181      
182    checkpoint58a_post
183    o seaice:
184      - bug fix in advect.F
185    o shelfice:
186      - separate shelfice load anomaly from pload (breaks with time
187        dependent forcing), => introduce constant field shelficeLoadAnomaly.
188        Its default is 0., but it may be computed more cleverly from (unknown)
189        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
190        done offline. A good approximation of the pressure load anomaly is
191        necessary to avoid large initial adjustment processes underneath
192        deep-reaching shelfice.
193      - small fix in ISOMIP shelfice_thermodynamics
194      - add more sophisticated thermodynamics of Hellmer (1989), this is
195        now the default
196      - give a few constants more intuitive names
197    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
198      if bulk formulae are used in long integration (especially EmPmR). Turn
199      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
200      if balancePrintMean, the imbalance that is substracted is printed to
201      STDOUT.
202    o fix bug (typo) in obcs_apply_eta.F
203    o add a new package shelfice which enables us to model the circulation
204      underneath shelf-ice with draughts of hundreds of meters.
205     - works
206     - to do: + include improved thermodynamics
207              + check whether kSurfC (from model/inc/SURFACE.h) can be used
208                instead of new field kTopC
209              + can we use topoFile, Ro_surf and existing code in ini_depth.F
210                instead of new field R_shelfIce and new code in ini_depth.F
211                and ini_mask_etc.F?
212              + adjust vertical mixing schemes?
213    o seaice pkg:
214     - add a cpp-flag to include a simple formula for a salinity dependent
215       freezing point of sea water at the surface
216     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
217       meridional stresses are now different (and hopefully correct)
218    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
219       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
220       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
221    o pkg/diagnostics: add options and parameters for regional-statistics
222       diagnostics ; define regions by reading a region-mask from a file
223       (might add other options later)
224    o pkg/bulk_force:
225     - add option and parameters to use AIM surface-flux formulae.
226     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
227       others forcing fields (defined in PARM05, parameter file "data") are loaded
228       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
229     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
230     - use the right EXCH call for uwind,vwind (to work on CS-grid).
231     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
232       and parameters (note: calcWindStress replaces .NOT.readwindstress).
233     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
234    
235    checkpoint58
236    o add "--embed-source" option to genmake2 which, when the supporting
237      tools can be compiled (as determined by genmake2) will turn on the
238      embed_files package which then embeds the entire MITgcm source code
239      (*.[fFhc] + Makefile) used for the build within the executable
240      - requested by CNH but off by default
241      - adds a paltry <9MB to the mitgcmuv executable in most cases
242      - only writes the output when useEMBEDSRC in eedata is true
243    o clean up 3-dim. relaxation codes:
244      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
245      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
246      * Thanks to Tom Haine for testing!
247    
248    checkpoint57z_post
249    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
250      affects output (@ truncation level) of exp. plume_on_slope ; updated.
251    o fix the pickup behavior for obcs in combination with ptracers
252    o fix a bug in ptracers_external_fields_load
253    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
254      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
255    o transfered surface NH pressure to eta field (if exactConserv).
256    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
257         and update lab_sea output.txt file.
258    o completing 3-dim. relaxation code: additional term
259         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
260      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
261      * At compile time, in "EXF_OPTIONS.h" set
262          #define  ALLOW_CLIMTEMP_RELAXATION
263          #define  ALLOW_CLIMSALT_RELAXATION
264      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
265          tauThetaClimRelax3Dim = 15552000.0,
266          tauSaltClimRelax3Dim  = 15552000.0,
267      * 3 cases:
268          1) Use a constant-in-time 3-dim. field
269          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
270          3) Real-time relax. to time-evolving prescribed field
271    o Adding Laplacian-type smoothness constraint on
272      initial and boundary (forcing) controls (ic, bc)
273      * enable at compile-time via
274        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
275      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
276      * Absolute scale somewhat unclear so far
277      * no area weighting was included since no other cost term does so far
278    
279    checkpoint57y_post
280    First step for a NLFS adjoint
281    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
282    o new init. routines for calc_r_star, calc_surf_dr
283    o still need to deal with ini_masks_etc
284    o testreport seemed happy
285    checkpoint57y_pre
286    
287    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
288    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
289    o add new offset feature to offline pkg (plus minor cleanup)
290    o cfc fixes for final year of integration
291    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
292      be in GCHEM_OPTIONS).
293    
294    checkpoint57x_post
295    o fix testreport Pb in multiple test experiment.
296    o cleanup our namelist syntax in verification:
297      - make it more F95 standards compliant (some work still needed)
298      - allows the vast majority of our tests to work with gfortran
299    o Non-Hydrostatic:
300     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
301     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
302    o Allow to apply AB on T,S rather than on AB(gT,gS):
303     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
304     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
305       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
306     - need a "clever" read_pickup to restart from the other AB formulation
307    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
308    o remove some unused variables (reduces number of compiler warnings)
309    o adjoint
310      * Disable useVariableViscosity for adjoint for time being
311        (there are a number of extensive recomputations)
312      * Initialize certain variables needed for adjoint
313    
314    checkpoint57w_post
315    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
316                 fix the singleCpuIO RS version of MDSWRITEFIELD
317       and add a WARNING if using globalFiles=T with multi-processors.
318    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
319      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
320    o tracer advection scheme:
321      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
322       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
323       was not very convenient).
324      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
325       (further tests needed for the implicit DST & Flux-Limiter schemes).
326    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
327      and sRef for convenience, handy, when you want to initialize
328      ptracers in a large domain with a constant non-zero value. Also,
329      untangle ptracers_init.F a little.
330    
331    checkpoint57v_post
332    o change dome exp. to use variable viscosity in side-drag terms.
333    o remove all the files from the cfc_offline test since they are now
334      incorporated into tutorial_cfc_offline which has been producing
335      identical results for a few days of testing
336    o add new parameter: sideDragFactor to enable half-slip-side BC
337      and change side-drag S/R to use viscosity from mom_calc_visc
338      (can switch back by setting sideDragFactor=0.); affects results at
339      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
340       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
341    o vorticity & strain are now computed without masking, to account for
342      no-slip-side BC in variable viscosity calculation ; mask is applied
343      anyway later on, before computing advection/coriolis terms.
344    o modify exp4 to test new obcs support for reading from external files
345      and for passive tracers
346    o fix behavior of ptracers_monitor when monitor output is written to a
347      netcdf-file; still not independent of monitor.F (writes in the same
348      file).
349    o change default value of tRef (put a uniform, meaningful value for ocean
350      & atmos) and initialize sRef (was missing, as Martin mentioned).
351    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
352      to be proportional to enstrophy dissipation length.  Thus,
353       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
354      This is now consistent with Smagorinsky and with the manual.
355    
356    checkpoint57u_post
357    o OBCS and PTRACERS: add open boundary support for passive tracers
358      - either use homogenous (pseudo) v.Neumann conditions or prescribe
359        OB-values from file; this is not different from the way theta and salinity
360        are treated
361      - however, Orlanski-radiation conditions are not supported, and the model
362        will stop if you use pTracers and Orlanski at the same time.
363      - beefed up the rountine obcs_external_fields_load: now only those open
364        boundary values are overwritten with values from files for which there
365        are really files, otherwise the OB-fields remain untouched. This makes
366        it possible to use different OBs at different ends of the domain (as
367        with EXF)
368    o reduce number of exch calls in shap_filt (s2).
369    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
370      truncation level) 4/5 MLAdjust test results (11&12 digits match).
371    
372    checkpoint57t_post
373    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
374    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
375      same truncation, independent of the face number: affects affects several
376      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
377    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
378      note that biharmonic viscosity + no-slip was not tested in any experiment.
379    o fix bug in non-linear free-surf side-drag ; generate new output for
380      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
381    o make mnc honor the writeBinaryPrec flag for most kinds of output
382    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
383    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
384      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
385    o add brackets in multi-terms sum to get same truncation, independent of
386      the face number (manage to get exactly same value of gU,gV at the cs-edge)
387      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
388    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
389      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
390      a maximum grid-scale Reynolds number.  Also, changes all length calculations
391      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
392      Suggested values of viscosity parameters found in mom_calc_visc.
393      Many new viscosity diagnostics available.
394    
395    checkpoint57s_post
396    o Add clearing-house for viscosity calculations, mom_calc_visc and
397      correct numerous bugs in LeithD and Smagorinsky discretizations.  
398      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
399      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
400      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
401      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
402      The Strain-Tension form is now called with useStrainTensonVisc=.true.
403      ViscAhStrain and viscAhTension are now retired.
404    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
405    o In response to JMC's bug report, genmake2 now ignores any soft-links
406      that it finds in the *current* directory when searching for files.
407      Soft-links found in any other source directories will still work as
408      they did before.
409    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
410      a C routine to unlimit the stack size
411    o mnc-ify pkg/aim snapshot vars
412    o mnc-ify pkg/land as requested by Daniel
413    o various changes to mnc including:
414      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
415      - output can now be grouped so that all files within a group
416          change the ITER portion of their names in lock-step together
417      - can now read ("global") PER-FACE (in addition to PER-TILE) files
418          and works with both EXCH1 and EXCH2 (but needs more testing)
419      - writing works for all verification test cases w/ g77 on Linux
420    
421    checkpoint57r_post
422    o make MNC variable initialization happen earlier
423    o add diagnostics for (almost) each term of the momentum Eq.
424    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
425    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
426    o remove MINIMAL_TAVE_OUTPUT option ;
427      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
428    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
429      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
430    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
431    o add time-dependent SST, SSS control
432    o cost terms in ecco/ modularized (new cost_generic.F)
433    o cost_averages routines are modularized (new cost_averagesgeneric.F)
434    o new infrastructure for seaice model vs. obs misfits in seaice/
435      * driver from the_main_loop.F is seaice_cost_driver.F
436      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
437      * gradient check in Exp. 6a of natl_box_adjoint/
438    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
439      (see README file)
440    
441    checkpoint57q_post
442    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
443    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
444      - bug was reported by Jean-Michel and Ian Fenty
445    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
446      update exp. cpl_aim+ocn output.
447    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
448      Needed for high-res. runs with large global files
449      to be able to limit tapelev size
450    o Changed some tests for adjoint:
451      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
452      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
453      * global_ocean.90x40x15/ back to default 3-level checkpointing
454    o Modifications to enable scripted COMMON to MODULE conversion
455      * verification/OpenAD/code/ has necessary scripts and description;
456      * converts, compiles and runs successfully;
457    
458    checkpoint57p_post
459    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
460    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
461      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
462    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
463    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
464      (was already the case for dissipation with mom_vecinv,
465       and also the case for grad.PhiHyd when staggered-timeStep)
466      This will allow to put dissipation out-off the AB time-stepping.
467     Unfortunately, affects truncation error. Update output of exp. that "fails"
468      (cg2d matching number) and leave the others for later: front_relax(10),
469      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
470      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
471    
472    checkpoint57o_post
473    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
474      (2) its ready to be documented during the 20050801 DocFest
475    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
476      for ideal_2D_oce and lab_sea on linux_ia32_g77
477    o set to #undef CTRL_SET_OLD_MAXCVARS_30
478      in global1x1_tot/code_seaice_adj to access indices 32, 33
479      (worth another tag)
480    
481    checkpoint57n_post
482    o adding precip control xx_precip 32
483    o adding swflux control xx_swflux 33
484    o Replacing 10 forcing penalty cost routines by 1 generic.
485    o Implementing partitioning in time-mean and variable adjustment
486      for atmos. state.
487    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
488    o in natl_box_adjoint:
489      * updated exp 1 to 10
490        (but does not have time-mean vs. variable split results yet)
491    o updated global1x1/*_seaice_adj/
492      to incorporate latest changes
493    o enable useSingleCpuIO for mdsio vector routines
494      (applies in particular to tapelev I/O)
495    o removed inefficient K-loop in all active_file*control*.F
496    
497    checkpoint57m_post
498    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
499      and advect_cs (use EXCH-2 and standard cs-32 grid files).
500    o pkg/exch2: filling of face-corner halo regions is optional
501      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
502    
503    checkpoint57l_post
504     tag before updating tutorials (pre-release-2)
505    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
506       for output and interpolation of input fields onto model grid)
507    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
508       Affects results of exp. rotating_tank ; update output.txt.
509    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
510          and taking the square quantity and/or using a fraction-weight field.
511    o fix aim_diagnostics_init.F mate numbers.
512    o add mnc output capability to diagnostics/diagstat and update
513      our cvsignore files for the ACSII output generated
514    
515    checkpoint57k_post
516    o lab_sea now uses diagnostics package and provides a suite of
517      new EXF diagnostics output.
518    
519    checkpoint57j_post
520    o exf
521      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
522        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
523        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
524      * extended diagnostics output
525        - now includes all EXF variables
526        - hs, hl moved to common block
527        - separate S/R for diagnostics, called after ctrl vector is added
528        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
529        - EXFqnet contains true Qnet (i.e. includes qsw)
530      * updated verif. lab_sea, global_with_exf
531      * Rearranging hflux (exf_mapfields -> exf_getforcing)
532        to ensure that diagnostics sees a true EXFqnet
533    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
534    o diagnostics pkg: change pointers so that 1 diagnostic can be used
535      several times with different frequencies.
536    o mnc-ify the thsice package as requested by Daniel Enderton
537      - the monitor--MNC output needs work
538      - many attributes need to be added (most are currently blank)
539    o mnc-ify theaim_v23 package as requested by Daniel Enderton
540      - many attributes need to be added (most are currently blank)
541    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
542    o add Sadourny like discretization to the 4th.O vorticity advection scheme
543    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
544      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
545         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
546    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
547     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
548    
549    checkpoint57i_post
550    o Diagnostics package was changed: diagnostic allocation is now deactivated
551      by setting an empty file name in the namelist (used to be by setting 0 frequency)
552    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
553      add 1rst Order upwind vertical Shear.
554    o add a quick fix for A/B checkpointing in OFFLINE mode
555    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
556      end-run around the C/Fortran linking horror in eesup/src/timers.F
557    o added pkg/runclock: allows user to terminate run based on wall clock
558    o added non-hydrostatic scaling parameter: nh_am2
559    o pkg/my82: futile attempt to make results compiler-independent by adding
560      some "_d 0", etc. no effect.
561    o for mnc output, fill the 'T' coordinate var with myTime and create a
562      separate 'iter' variable for iteration count
563    o pkg/diagnostics:
564      add new capability: output of Global/Regional & per-level statistics ;
565      tested against monitor output (including land & thSIce) on various exp.
566    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
567    
568    checkpoint57h_done
569      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
570      data.diagnostics, data.gchem, data.ptracers) is done.
571    
572    o pkg/diagnostics: prepare for Global/Regional statistics.
573      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
574    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
575      and rename it: DIFFERENT_MULTIPLE
576    
577    checkpoint57h_post
578    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
579    o pkg/diagnostics: change output frequency, now in seconds (instead
580      of Nb of iterations). This requires to change data.diagnostics.
581    checkpoint57h_pre
582    
583    o in mnc, let the user create the output dir if both mnc_outdir_date
584      and mnc_outdir_num are false
585    o add fflags() to pkg/diagnostics which allows one to specify, on a
586      per-file basis, the file precision [default behavior is unchanged]
587    o added diagnostics to pkg/kpp, including computation of mixed layer
588      depth based on a temperature/density criterion
589    o updated verification/natl_box to test the new pkg/kpp diagnostics
590    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
591    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
592    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
593      not mnc -- this mistake was found by JMC and is now corrected
594    
595    checkpoint57g_post
596    o add Adams-Bashforth 3rd Order time stepping:
597      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
598      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
599    checkpoint57g_pre
600    
601    o make lambda[Theta,Salt]ClimRelax spatially varying
602      (default remains spatially uniform constant based on tau)
603    o added new control variables
604      * init. uVel, vVel, etanN
605      * lambda[Theta,Salt]ClimRelax
606    o separate masks used for ctrl_pack/unpack 'from write_grid' output
607      (suggested by G. Forget)
608    
609    checkpoint57f_post
610    o add parameter "baseTime" = model base time = time at iteration zero
611      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
612      account for baseTime shift
613    o move Coriolis arrays from PARAMS.h to GRID.h
614    checkpoint57f_pre
615    
616    o mnc-ifying the seaice package
617    o introduced an alternative length scale calculation for use in the limiting
618      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
619    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
620    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
621      as well as grad(vort3).  Made it compatible with both approximate form
622      for the cubed sphere and full form of these gradients.  Added flag
623      useFullLeith to select between approximate and full form.  
624    o add "d0" in getcon.F to reduce differences between compilers/platforms
625      update output.txt of exp. fizhi-gridalt-hs
626    o change port_rand funtion to allow to set the seed.
627    o fix obscure MNC bug involving conversion between reals and integers
628      - it caused no problems with certain (eg. gcc, ifc) compilers but the
629        new version is now more standards-compliant
630    o adjoint-related modifications
631      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
632      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
633      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
634    
635    checkpoint57e_post
636    o Adding eddy stress controls a la Ferreira et al.
637    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
638    
639    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
640      update output.txt of exp. fizhi-gridalt-hs
641    o add more "Z" dimensions and associated coordinate vars to MNC
642    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
643    o parameter calendarDumps: when set, approximate months (30-31 days) and years
644      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
645      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
646      months and years.  Requires pkg/cal.
647    o diagnostics: add pickup functionality
648      - off by default for backwards compatibility
649      - current version only uses MDSIO -- MNC will be added
650    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
651    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
652    
653    checkpoint57d_post
654    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
655    o modify verification/ideal_2D_oce so that it tests the creation of mnc
656      output from the diagnostics package
657    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
658    o make genmake2 more portable by using ".$FS" instead of ".f" for more
659      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
660    o add coordinate variables to the MNC output from the diagnostics package
661    o change MNC-flags default value: true when useMNC=TRUE
662    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
663      the ability (off by default) to read the grid information using MNC
664    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
665    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
666    o do snap-shot diagnostics at the middle of the time-interval (instead of
667      at the end).
668    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
669      new test for AIM with thSIce + slab-ocean
670    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
671    o move state variable diagnostics to the beginning of the time step ;
672      (note: still needs some work specially for snap-shot diagnostics)
673      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
674    
675    checkpoint57c_post
676    o Change testing option (-ieee) to get closer agreement between g77 & ifort
677    o generate new output.txt files on faulks with g77 & the new -ieee option
678    checkpoint57c_pre
679    
680    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
681      update output.txt of exp. global_ocean.90x40x15
682    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
683      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
684    o add saltFlux(+File) forcing capability with periodicExternalForcing
685    o allow to use pkg diagnostics for GM-Redi & ThSIce output
686    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
687    o improvements for the MNC output from DIAGNOSTICS:
688      - correct handling of the unlimitied dimension
689      - all dims now have associated coordinate variables
690      - variables located at U, V, and Corner ("Z") points are now written
691        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
692        *all* data points are output
693    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
694    o added pkg/seaice/seaice_monitor.F
695    o mdsio_readfield.F can now read files visible only to master MPI process.
696    o pkg/seaice: some test code for ice-modified ocean stress
697    o exf_getffields interpolation defaults to bilinear for all scalar forcing
698      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
699      spurious negative numbers for precipitation and humidity.  Will cause
700      some small numerical differences for integrations using pkg/exf/exf_interp.F.
701    o pkg/ctrl/
702      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
703        May be enabled via doPackDiag
704      *  introduce z-scaling of
705         + gradient (doZscalePack) and
706         + control (doZscaleUnpack)
707    o pkg/mdsio/
708      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
709      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
710    
711    checkpoint57b_post
712    o simplify options in diagnostics_fill arguments (remove weird combinations)
713    o fix MNC coordinate variables so that they now contain per-face index
714      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
715      general, EXCH2 grids are only aligned to a "local" coordinate system
716    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
717    o Implement instantaneous output within pkg diagnostics:
718      setting a negative frequency in data.diagnostics produces
719     "snap-shot" output (as opposed to time-average if freq > 0)
720    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
721      NOTE: change ptracer diagnostics name: use 2 characters to work with
722            more than 9 tracers. Add also diagnostics of advect & diffus flux.
723    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
724      becomes the coordinate variable for the 'T' dimension
725    o add CF-style coordinate variables to MNC
726      - just a first cut:  numbers are meaningless on the cubesphere and
727        missing along the T axis but otherwise it works!
728    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
729    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
730    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
731      this is based directly on what the model compute, so that the content of
732      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
733    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
734    o clean up build options files for SunOS, in particular
735      - remove -traditional from xmakedepend
736      - change -xarch=v9 to -xarch=native for f77
737      - restore use of make (not gmake)
738      - add CC=gcc if using g77
739    o changes per discussion of AM, JMC, & EH3 today:
740      - move redundant "grid" variables out of "state" -- in preparation of
741        creating proper CF-style coordinate variables and in recognition
742        that any/all grid variables can be easily copied (eg. w/NCO) from
743        the grid files into any of the other NetCDF files
744      - *always* output grid variables with MDSIO (this will eventually be
745        changed)
746      - output MNC grid file if useMNC is true
747    o every instance of _END_MASTER() has been found and replaced with
748      _END_MASTER( myThid ) in order to satisfy certain picky Sun
749      preprocessors
750    o re-arrange diagnostics pkg initialisation:
751     - allow each package to extend the available diagnostics list
752     - add some checking and fix small problems (multi-threaded, ...)
753     - new S/R diagnostics_fill (replace fill_diagnostics):
754       look through the short list of active diag. (instead of the long list)
755       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
756    
757    checkpoint57a_post
758    o this set of changes restores TAMC compatibility
759      tested for global_ocean.90x40x15 adjoint on trough
760      (what a pain)
761    
762    checkpoint57a_pre
763    o some modifs in tools/build_options for sunos
764    o call ctrl_pack for ctrl at end for optimcycle=0
765    
766    checkpoint57
767    o add horizontal bi-harmonic viscosity for vertical velocity
768      - new parameter viscA4W (defaults to viscA4)
769      - affects only non-hydrostatic code
770      - to be done: no-slip lateral boundary conditions
771    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
772    o implement Implicit Vertical advection for pTracers
773    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
774      (implemented also for implicit vertical diffusion & advection)
775    o OBCS: extend application of tracer open boundary conditions
776      to a strip beyond the boundary of width Olx/Oly
777    o add call monitor to TAF set of required calls (flow directives)
778      and include in natl_box_adjoint
779    o untangle a few ifdefs related to cost, ctrl, autodiff
780      untangel a few ALLOW_ECCO_OPTIMIZATION
781    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
782      (theta2, salt2 in ecco_cost_weights)
783    
784    checkpoint56c_post
785    o OBCS as control variables
786      - update ctrl_ad_diff.list, obcs_ad_diff.list
787      - remove balance of obcs controls from default
788      - fix index bug nobcs in ctrl_init
789      - fix dummy fields filen in ctrl_pack
790      - add dummy weights for obcs
791    o lsopt: comment out fort.94 output
792    o optim:
793      - remove unnecessary header files
794      - adjusted namelists
795      - add xerbla.F to Makefile
796    o exf:
797      - multiple modifications of exf_check_range
798      - unit change in exf_init_runoff from [m/year] to [m/s]
799    o mdsio:
800      - i/o-vector change debugLevel from debLevA to debLevB
801    
802    checkpoint56b_post
803    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
804      is called from DO_THE_MODEL_IO
805      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
806      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
807      - clean up PTRACERS_WRITE_TIMEAVE a little
808    o add another verification experiment that tests both the cfc-pkg and
809      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
810      reactive tendencies treated inline with regular timestepping
811    o testreport previously did a lousy job of comparing small numbers, so
812      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
813      implemented in the little c-progam tmp_cmpnum.c which is embedded in
814      testreport.
815    o ptracers_monitor: bug fix for MPI
816    
817    checkpoint56a_post
818    o GCHEM: finish reorganizating the package
819      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
820        (introduces another 3D-array for each passive tracer, but only if
821        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
822        gchemTendency is not needed because the timestep is done separately)
823      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
824      - GCHEM is now---more or less cleanly---separate from PTRACERS
825      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
826        so clear to me how that should be done in a general way.
827    o CFC: improve formatting of output in CFC_ATMOS
828    o PTRACERS:
829      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
830        that ALL experiments with ptracers enable can be checked. This makes
831        GCHEM_MONITOR obsolete.
832      - include a runtime parameter PTRACERS_monitorFreq that defaults to
833        monitorFreq
834      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
835    o add PTRACERS (PTR0[1-5]) to testreport output
836    o exf_check_range:
837      * default changed to .TRUE.
838      * will check values for niter0 if debLevA, every timestep if debLevB
839      * STOP in exf_check_range if 'out of range'
840      * range chosen generous to allow for potential extema
841      TBD: a version with stricter range
842           permitted range would be runtime parameters
843    o GMredi:
844      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
845      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
846      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
847    o GCHEM:
848      - move call to GCHEM_FORCING_SEP, so that it is now called before
849        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
850      - introduced a useGCHEM runtime flag and applied it everywhere.
851      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
852        this flag is now only visible within GCHEM-pkg routines.
853      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
854        be replaced by a 3D array that is computed before thermodynamics; for
855        this, the tracer ID iTracer had to be included into the parameter list
856        of ptracers_forcing
857      - set up forward_step to call gchem_forcing, that will replace
858        gchem_forcing_int in ptracers_forcing
859      - cleaning up
860    o small cleaning of exch2: remove files that are also in eesupp/src
861    
862    checkpoint56
863    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
864    o mnc: cleanup "full" files--fixes out-of-memory problem
865    o ECCO-GODAE
866      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
867      * fully merged and updated from SIO code
868        windstress sign change affects
869        - exf_inscal_[u/v]stress
870        - sign of xx_tau[u/v] adjustments
871        - signs in cost_scat
872      * ctrl_get_gen: avoid update of tau[u/v] for first few days
873      * natl_box_adjoint updated and compressed
874      * 2-level checkpoint switch added
875        (tested in EXP. 1 of natl_box_adjoint)
876      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
877    o SVD
878      * first complete, non-hacked version for SVD calculations
879      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
880        performed via direct access files admtlm_vector.it????
881        (via ctrl_[un]pack)
882      * optimcycle is used for ARPACK iteration counter
883        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
884      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
885        and add linear transforms where necessary
886      * controls are initial/final SST, SSS (can be extended; need to check
887        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
888    o mdsio: filename info to both stderr, stdout
889    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
890      from sign change
891    
892    checkpoint55j_post
893    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
894      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
895    o add consistent build directories and .cvsignore files to verification
896    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
897    o make all subroutines 30 or less characters in length for certain older
898      compilers to work (a thorough search only turns up two routines in
899      pkg/ptracers)
900    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
901      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
902    
903    checkpoint55i_post
904    o change arrays for total vertical diffusivity (2.D if explicit,
905      3.D if implicit) ; each ptracer uses its own background value.
906    o added mnc/NetCDF output capability to ocn_compon_interf
907      - added bits to verification/cpl_aim+ocn so that it can run on
908        ITRDA and other clusters without the mpirun "-wd" option
909    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
910      configuration
911    o give MNC the ability to create additional files rather than
912      exceeding a specified file size limit "MNC_MAX_FILESIZE"
913      - the default is just less than 2GB which is a practical limit
914        on many systems
915    o Compute the non-local term using either KPP vertical diffusivity (=default)
916       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
917    
918    checkpoint55h_post
919    o add verification test "vermix"
920    o remove all the *_ioinc flags and replace with the single global
921      outputTypesInclusive flag
922    o allow to set a vertical profile of vertical diffusivity for T & S
923    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
924    o useMNC moved from data.mnc to data.pkg
925    
926    checkpoint55g_post
927    o Renaming carbon AD experiments to comply with testreport conventions
928    o Updating adjoint of Held-Suarez hs94.1x64x5
929    o Fixing directives for non-ECCO forward_step, after ECCO directives
930      have been fixed to avoid recomp. of do_oceanic_phys
931      Works well for global_ocean.90x40x15,
932      but recomp. issue remains for carbon
933    o Updating adjoint output for natl_box_adjoint after
934      pkg/ecco has been modified (see taga c55d_post)
935    
936    checkpoint55f_post
937    o rename to timeave_init_fixed
938    
939    checkpoint55e_post
940    o some delicate re-shuffle of store directives to avoid one
941      extra call of do_oceanic_physics
942      affects ecco_the_main_loop.F, do_oceanic_physics.F
943      checkpoint_lev1_directives.h
944    o NB: this may break global_ocean adjoint temporarily,
945      but it is clear how to fix it. Will do later, need this now.
946    
947    checkpoint55d_post
948    o ECCO specific cost function terms (up-to-date with 1x1 runs)
949    o ecco_cost_weights is modified to 1x1 runs
950    o modifs to allow observations to be read in as
951      single file or yearly files
952    o enable to read exf forcing fields as either
953      single file or yearly files (flag useExfYearlyFields)
954    checkpoint55d_pre
955    
956    o switch between 2-level and 3-level checkpointing
957    o add ability of MNC to write local and "partial" (eg. 2D slices where
958      the full 3D field is never actually stored) arrays to NetCDF files
959      with the correct (that is, the complete multi-dimensional) set of
960      array indicies
961      - used in mom_vecinv() to write the diagFreq output
962      - tested (demonstrated) in verification/aim.5l_cs
963    o further mnc-ification
964      - add verification/lab_sea to the list with mnc setups
965      - fix undefined mnc v-names in cd_code
966      - add kpp to mnc output (both snapshot and timeave)
967    o non-hydrostatic code
968      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
969        in calc_gw.F
970      - defaults to viscAh
971      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
972        friction or Leith) in non-hydrostatic mode, as long as there is
973        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
974    o pkg/cost
975      extend simple cost functions to treat time mean quantities
976      (T,U,V) via cost_accumulate_state from cost_tile
977    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
978        be 2 times larger than the minimum size the advection scheme requires.
979        now get a perfect conservation of salt in advect_cs test-exp (updated)
980    o GGL90 (Gaspar's TKE mixed layer)
981      - add horizontal diffusion of TKE, requires exchanges in
982        do_fields_blocking_exchanges, horizontal diffusivity is zero by
983        default. In OPA there is no horizontal diffusion of TKE but the
984        mixing coefficients are computed from a horizontal average of TKE of
985        6 points or so. I think that diffusion has a little more physical
986        justification.
987      - clean up ggl90_calc in the hope of reducing memory usage (this hope
988        was in vain)
989      - mask tke-variable in ggl90_init
990    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
991    o fix biharmonic diffusion on CS-grid.
992    o more obcs stuff
993      - added obcs_external_fields_load as an alternative to the EXF-pkg option
994        for reading boundary values. This routine is called from
995        obcs_prescribe_read
996      - updated obcs_check
997      - changed sponge layer relaxation parameter units for days to seconds
998      - turned off sponge layer by default
999      - changed argument list of OBCS_CALC to myTime+deltaTclock
1000      - fixed about 35 bugs in obcs_external_fields_load
1001    
1002    checkpoint55c_post
1003    o obcs stuff
1004      - new runtime flags useOBCSprescribe, useOBCSbalance
1005      - re-arranged obcs_calc
1006      - moved exf_getobcs to obcs_prescibe_read
1007        obcs_prescibe_read is called after ORLANSKI stuff
1008        and independent of it (executable can contain all).
1009      - updated obcs_check
1010      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1011        These may be necessary only if tangential velocities are
1012        prescribed at OB, not sure, needs testing.
1013    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1014      which simplifies the calls and passes the ifc check-bounds test
1015    
1016    checkpoint55b_post
1017    o add a 2D scalar, Z location, exchange_2 routine.
1018    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1019      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1020      affects advect_cs results (for the wrong reason): update output.txt
1021    o use a more standard discretization for biharmonic viscosity ;
1022     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1023      affects results of dome set-up: update output.txt
1024    o fix gad_advection.F (CubedSphere part), back to version 1.23
1025    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1026    
1027    checkpoint55a_post
1028    o merged code to
1029      * prescribe/read time-dependent open boundaries
1030        (works in conjunction with exf, cal)
1031      * sponge layer code for open boundaries
1032      * each boundary N/S/E/W now has its own CPP option
1033        (healthy for the adjoint)
1034    
1035    checkpoint55
1036    o up-to-date adjoint of previous breaks
1037      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1038      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1039      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1040      - carbon: * remove tr1-related adjoint verification
1041                * add ptracer as control variable
1042    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1043      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1044    
1045    checkpoint54f_post
1046    o in verification/carbin/ remove experiment related to
1047      ALLOW_PASSIVE_TRACER (array tr1 etc)
1048      code_ad/ input_ad/ results_ad
1049    
1050    o add two new packages
1051      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1052        + subject to optimization (memory)
1053      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1054        + subject to reordering (many GOTOs in the original code)
1055        + so far opps is called for every (i,j) point, and then operates in
1056          the vertical; one may want to reorder the scheme in order operate in
1057          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1058          fields)
1059    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1060      - all verification tests compile and run with linux_ia32_g77
1061      - defaults are compatible with current input files--nothing
1062        should change if you were not previously using MNC
1063      - MNC output has been added in numerous places (eg. timeave)
1064        but there are still a few writes not yet do-able with MNC
1065        (this is in progress)
1066      - flags now allow for either/or/both use of MDSIO and MNC and
1067        documentation will soon follow
1068      - numerous small formatting cleanups for ProTeX
1069    o add version info (via BUILD_INFO.h) to MNC and stdout
1070    
1071    checkpoint54e_post
1072    o add two new packages
1073      - pp81 (Packanowski and Philander, 1981), Richardson number and
1074        stratification dependent mixing
1075      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1076      - these scheme operate in a similar manner as KPP (without ghat, of
1077        course), however there is only one diffusivity that is used for both
1078        temperature and salinity (and passive tracers)ç
1079    o add offline package
1080    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1081      provided by Stephanie Dutkiewicz
1082    o genmake2: add ability to search for C compilers and cleanup test output
1083      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1084    
1085    checkpoint54d_post
1086    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1087    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1088      leading to additional shift by 5 days each year of integration
1089       (i.e. leading to considerable offset over the years)
1090    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1091    o start with no AB and no initial filtering (staggerTimeStep):
1092      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1093    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1094      (external loading & cpl import/export stay in forward_step.F)
1095    o update coupling interface to work with new staggerTimeStep
1096    o change MDSIO ptracers_pickup.
1097    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1098    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1099    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1100    
1101    checkpoint54c_post
1102    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1103      this affects (truncation error) output.txt of test-exp:
1104       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1105    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1106    o change Qnet to always be the net heat flux, (+upward).
1107      affects (truncation error) output of natl_box exp.: updated
1108    o define the max number of passive tracers in PTRACERS_SIZE.h
1109    o start to test mnc routinely in exp0
1110    o add sea-ice loading (sIceLoad) as a new forcing field.
1111    
1112    checkpoint54b_post
1113    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1114       impressive on Altix and Opteron systems)
1115    o diagnostics can now write NetCDF files through the mnc package
1116    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1117    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1118    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1119      affects (truncation error) output of lab_sea & natl_box exp.: updated
1120    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1121    
1122    checkpoint54a_post
1123    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1124    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1125    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1126    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1127      + internal_wave (shift in writing cg2d_ini_res)
1128    checkpoint54a_pre
1129    
1130    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1131      - modified verification/lab_sea and natl_box_adjoint accordingly
1132    
1133    checkpoint54
1134    checkpoint53g_post
1135    o prepare splitting of thermodynamics: store convect.counter in common block
1136    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1137      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1138    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1139    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1140    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1141    o restore adjointability
1142    
1143    checkpoint53f_post
1144    o modifications that affect AIM experiment results (update output.txt):
1145      - no advection of S at top interface Nr (pkg/generic_advdiff)
1146      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1147    o AIM pkg:
1148      - include stability function into surf.Flux derivative relative to Tsurf
1149      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1150    
1151    checkpoint53e_post
1152    o merged cylindrical coord configuration
1153    o added rotating_tank experiment
1154    checkpoint53e_pre
1155    
1156    checkpoint53d_post
1157    o faulks upgraded: re-generate output.txt that have changed:
1158       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1159    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1160    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1161    o added Sadourny discretization of Coriolis
1162      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1163      - re-enabled use of omega3 (useAbsVorticity)
1164    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1165      vector-invariant equations
1166      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1167    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1168      hopefully without new bugs
1169      - still to do: biharmonic friction for non-hydrostatic w
1170    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1171    o regenerated output for global_ocean_ebm (using -ieee)
1172    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1173      of mom_common/
1174      - simple re-arrangement of instructions within computing loop
1175    checkpoint53d_pre
1176    
1177    checkpoint53c_post
1178    o new version of coupler for AIM+thSIce and Ocean models
1179     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1180     - land: change Evaporation of snow
1181     - aim with thSIce: fix bug in snow-precip.
1182    o changes to calc_gw.F
1183     - bug fix for w^2 term near the bottom boundary
1184     - (hopefully) improve the lateral slip boundary condtions for use with
1185        partial/looped cells
1186      - because the bug fix changes two verification experiments anyway (exp5
1187        and plume on slope), change the lateral boundary condition from half slip
1188        to the value of no_slip_sides
1189    o ebm package wasnt quite up to the parallel task. Fixed that.
1190    o Adjoint of EBM package + verification
1191      * TLM OK
1192      * ADM not sufficient accuracy yet (needs further testing)
1193    
1194    checkpoint53b_post
1195    o Commiting new energy balance model to repository
1196      * package is pkg/ebm
1197      * verif. is verification/global_ocean_ebm
1198      * references are in ebm_driver.F
1199    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1200    C        Global thermohaline circulation. Part I:
1201    C        Sensitivity to atmospheric moisture transport.
1202    C        J. Climate 12(1), 71-82
1203    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1204    C        Global thermohaline circulation. Part II:
1205    C        Sensitivity with interactive transport.
1206    C        J. Climate 12(1), 83-91
1207    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1208    C        Destabilization of the thermohaline circulation
1209    C        by atmospheric eddy transports.
1210    C        J. Climate 7(12), 1870-1882
1211    o Will need long integration testing.
1212    checkpoint53b_pre
1213    
1214    o created pkg/mom_common in preparation for variable viscosity code
1215    o renamed and split ini_mnc_io
1216    o pkg/land: only liquid water can diffuse or run-off
1217    o AIM using land: soil wetness availability account for snow
1218    o added printMapIncludesZeros to EEPARMS namelist
1219    
1220    checkpoint53a_post
1221    o restore TAMC compatiility for exf_constants.h
1222      (no usage of _d in .h)
1223    o Additional storing in KPP in an attempt to fix
1224      TAMC problem with adjoint of KPP code.
1225      (no success...)
1226      Identical code works fine with TAF.
1227    o Fixed verification/natl_box_adjoint experiments.
1228      Initial conditions for Experiments 4 and 5 are now
1229      set to "SEAICE_initialHEFF=0", which is more reasonable,
1230      and hence gives results closer to that of Experiment 2.
1231      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1232    
1233    checkpoint53
1234    o stable checkpoint with up to date adjoint
1235      TLM tests only run for 1st grdchk at the moment. Its unclear if
1236      this is a code problem or a problem with resetting code for g_
1237      variables that is being autogenerated wrong.
1238      Otherwise:
1239       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1240       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1241         are both still in chaos following their security messes.
1242    
1243    checkpoint52n_post
1244    o various build (mostly genmake2) changes including:
1245      - ability to build/run more easily within Cygwin and MacOS X
1246      - more complicated Makefiles with a stronger dependence on Gnu Make
1247    o pkg/seaice modifications
1248      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1249        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1250        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1251      - changed proxy for geostrophic velocity and updated
1252        verification/lab_sea/results/* accordingly
1253      - removed ADI dynamic solver from pkg/seaice
1254      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1255        they caused a segmentation fault under certain circumstances
1256      - removed unused field WATR
1257    o bug fix in exf-package:
1258      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1259         now reflect that.
1260    o small fixes in the cal-package:
1261      - set reference date to first of January for the 'model'-calendar
1262      - failing of cal_CheckDate in cal_FullDate now actually results in a
1263        warning
1264    o small modifications in exf-package to increase flexibility:
1265      - change climtempfreeze from a constant to a runtime parameter that
1266        is specified in data.exf_clim (default = -1.9)
1267      - introduce runtime parameter windstressmax (default = 2.0) that is
1268        specified in data.exf
1269    o fix in pkg/thsice:
1270      - update Evap (Tsf changes) to be consistent with Latent heat flux
1271      - maintain snow precipitation unchanged (even if Tsf >=0).
1272     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1273    
1274    checkpoint52m_post
1275    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1276      this does not change any of the results, because myIter=0 in swfrac always
1277      lead to jwtype=2 (the default anyway), but the call makes little sense
1278      as a default
1279    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1280    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1281      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1282    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1283    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1284    o extending useSingleCpuIO option to work with new exch2 I/O format
1285      - old-style, missing-tile I/O is still accessible by defining CPP
1286        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1287    o monitor package can write to NetCDF files and/or STDOUT
1288    o fix re-definition bug in MNC_GRID_INIT_ALL()
1289    o doc/api_reference added
1290      - a framework for building an API Reference Manual using all
1291        the "protex" comments embedded in the code
1292      - see pkg/generic_advdiff, pkg/mnc for examples
1293    o MNC:
1294      - make myThid the last argument for all subroutines
1295      - new default for the grid files: NO halos
1296      - add useMNC and other run-time flags
1297      - separate per-file-group handling of the unlimited dimension
1298      - early initialization of MNC w/ flags read at the eeboot stage
1299        and lookup tables set in initialize_fixed
1300      - write all MNC output to a freshly-created directory
1301    o thermodynamics sea-ice (thsice) is now tested with testreport.
1302    o test exp. advect_cs: use the standard cs32 grid ; update output.
1303    o Added functionality to grdchk:
1304      pick global i,j,k position (or nearest wet) where to perform check.
1305    
1306    checkpoint52l_post
1307    o new land formulation:
1308      a) use ground enthalpy as prognostic variable to ensure exact
1309         energy conservation.
1310      b) account for water temperature and for latent heat of freezing
1311         in all processes (rain, run-off, ground storage)
1312      c) compute surface and ground temperature implicitly.
1313    o aim_v23 modification for new land model:
1314      a) Treat separately land / ocean / sea-ice surface fluxes
1315         to allow implicit computation of land & sea-ice surface temp.
1316      b) add snow precipitation.
1317    checkpoint52l_pre
1318    
1319    o fix problem (when 1 tile is empty) in min/max monitor.
1320    o fix bug in timeAve (u,vZetatave in common block)
1321    o no restoring terms under ice for pkg/seaice
1322    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1323    o bug fix for pkg/seaice pickups
1324    o change MNC call locations and add coordinate attributes
1325    o mask vorticity at the corner ; affects global_ocean.cs output
1326    o fix ini_curvilinear_grid ; test CS experiments with mpi
1327    o aim.5l_cs: modify sea-ice fraction input file ; update output
1328    o exf: Adding simple range check routine for exf fields after read
1329    
1330    checkpoint52k_post
1331    o removed top-level directory "diags"
1332      - we migrated these functions to pkg/timeave a long time ago
1333    o fixed bug introduced in pkg/monitor
1334    o accuracy ctrlprec = 32 insuffient for gradient checks using
1335      averaged fields (I/O via cost_averages)
1336      -> use ctrl.h in active_file*.F to control I/O precision.
1337    o paramter list of CALL ADTHE_MAIN_LOOP
1338    o added initial do_the_model_io to ecco
1339    o set all ...Freq to zero after cost_final
1340      taveFreq, dumpFreq, pChkptFreq
1341    o MAIN and ECCO differentiability restored
1342    
1343    checkpoint52j_post
1344    o fix nchklev in tamc.h for global_ocean...
1345    o Bringing flow and store directives up-to-date
1346    o Really weird thing!
1347      call do_the_model_io from the_main_loop with parameters
1348      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1349      TAF places a faulty re-call of initialise_varia
1350      after cost_final call which should not be there!
1351    checkpoint52j_pre
1352    
1353    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1354      error messages
1355    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1356    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1357      debug output
1358    o modfied mdsio_writefield.F to handle non-global files under exch2
1359    o update AIM Cubed-Sphere exp (aim.5l_cs):
1360      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1361    o update AIM Equatorial Channel exp:
1362      use standard aim_v23 pkg and change the SST fields to be more realistic.
1363    o globalFile now works with exch2
1364    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1365      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1366    o limit timeave output for hi-res integrations
1367    
1368    checkpoint52i_post
1369    o removed CPP_EEOPTIONS.h from verification/*/code
1370    o updated the tiling for global_ocean_pressure
1371    checkpoint52i_pre
1372    
1373    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1374      the old pkg/aim).
1375    
1376    checkpoint52h_pre
1377    o shortened offending lines in exch2_send_rx?.template
1378    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1379    o genmake2: add build & execute test for NetCDF code
1380    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1381      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1382    o added useSingleCPUIO flag to monitor.F and mon_out.F
1383    o added temporary hack for sea-ice dynamics on the cube:
1384      metric terms are ignored and it is assumed that
1385      there is no sea-ice on cube faces 1, 2, 4, and 5.
1386    
1387    checkpoint52f_post
1388    o added exch2 cube routines to pkg/exch2
1389    o modified hs94.cs-32x32x5 to use it
1390    o added new grid files to hs94.cs-32x32x5
1391    checkpoint52f_pre
1392    
1393    checkpoint52e_post
1394    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1395      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1396    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1397      to work with implicit vertical advection and AB ;
1398    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1399    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1400     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1401    checkpoint52e_pre
1402    
1403    o fix bug in impldiff when Nr=1 or Nr=2.
1404    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1405    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1406    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1407      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1408    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1409    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1410    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1411    
1412    checkpoint52d_post
1413    o re-tiled many expts to allow comparison in multi-processor mode
1414      - updated output accordingly
1415      - changed hs94.128x64x5 to use intial T from file rather than use the
1416        random number generator
1417    o add infrastructure in model routines for fizhi and gridalt packages
1418    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1419    o changes to permit hi-res, cubed-sphere, configuration
1420      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1421      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1422      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1423        of surface winds for the cube
1424      (A verification experiment, based on global_ocean.cs32x15, but with
1425       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1426       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1427       complete with example surface forcing files and matlab scripts to look
1428       at the output and compare it with that of global_ocean.cs32x15.)
1429    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1430       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1431       to conform to the common rule.
1432    o check-in the first version of the coupler + interfaces for multi-components
1433       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1434       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1435       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1436       - ocean and atmos. share the same horizontal grid (no interpolation).
1437       - exchanges between component and coupler is done in forward_step
1438    o new verification experiment, cpl_aim+ocn:
1439       coupled ocean - AIM atmosphere on cs32 grid.
1440    
1441    checkpoint52d_pre
1442    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1443    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1444    
1445    checkpoint52c_post
1446    o Fixing OPTIONS files for use of exf:
1447      - ALLOW_ECCO not needed
1448      - ECCO_CPPOPTIONS.h should not be included from
1449        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1450        as has been the case in the past
1451      - All cal/exf related options are currently set in
1452        single header file. Should remain so until we
1453        agree on a consistent new policy.
1454    o Removed all CPP options for cal package.
1455      cal has no more CPP options.
1456    o modified STOREs in GAD_ADVECTION
1457    o corrected key comp. for passkey
1458    
1459    checkpoint52b_post
1460    o new version: "thsice" of thermodynamic sea-ice pkg:
1461     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1462     - modify fluxes but do not change theta directly;
1463     - light cleaning of bulk_force pkg (still needed with thsice).
1464     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1465       + output_thsice.txt to test thsice & bulk_force pkgs.
1466    o put back grid & coriolis monitor output.
1467    checkpoint52b_pre
1468    
1469    o call "do_the_model_io" at the beginning (=> dump initial state)
1470    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1471    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1472      (need info on NUMBER_OF_PTRACERS)
1473    o missing PTRACERS headers in some routines
1474    o default tamc.h in pkg/autodiff supposed to crash
1475      to ensure proper customization
1476    
1477    checkpoint52a_post
1478    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1479      - moved surfaceTendencyTice from pkg/seaice to main code
1480      - subroutine FREEZE_SURFACE now limits only surface temperature
1481        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1482        => new output.txt for global_ocean.cs32x15 & global_with_exf
1483      - keep the old version of FREEZE for backward compatibility;
1484        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1485      - corresponding modifs for TAF directives
1486    o added surface flux output variables to TIMEAVE_STATVARS
1487    o time-averaged output for pkg/ptracers
1488    o fix problem with ECCO-related divided adjoint
1489      snapshot file was missing some ad-variables,
1490      but no warning issued by TAF
1491    
1492    checkpoint52a_pre
1493    o some bug fixes for #undef REAL4_IS_SLOW
1494    
1495    checkpoint52 = ecco_c52_e35
1496    o after testing adjoints of checkpoint51u_post
1497    
1498    checkpoint51u_post
1499    o this is the post-merge tag of the ecco-branch
1500      (needs another clean checkout and re-testing)
1501    o various natl_box_adjoint configs and results
1502      but no input fields
1503    o obcs adjoint not yet merged!
1504    o adding ECCO global 1x1 and 2x2 degree configs
1505    o updated/extended some store directives for seaice
1506    o pkg/ecco now containes ecco-specific part of cost function
1507    o top level routines the_main_loop, forward_step
1508      supersede those in model/src/
1509      previous input data.cost now in data.ecco
1510      (new namelist ecco_cost_nml)
1511    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1512    
1513    checkpoint51t_post
1514    o this is the pre-merge tag of the ecco-branch
1515    
1516    checkpoint51s_post
1517    o cleanup: removed various obsolete #define-s
1518    o pkg/grdchk
1519      - renamed 'ph-grd 3' to 'grad-res'
1520      - merged from ecco-branch
1521        (remaining bug fixes for obcs gradient checks)
1522      - additional high-precision output for testreport
1523        (grep for 'precision_grdchk_result')
1524    
1525    checkpoint51r_post
1526    o cleaned up or removed CPP_OPTIONS.h files
1527    o updated results for some of the tests to reflect the new
1528      optfiles (-ieee: -O0 instead of -O3)
1529    
1530    checkpoint51q_post
1531    o cd_code:
1532      - moved cd_scheme.F -> cd_code_scheme.F
1533      - separate read_checkpoint from cd_code_ini_vars.F
1534      - separated cd_code part from write_checkpoint
1535      - updated AD_SOURCE, generated .flow
1536      - added CD_CODE_VARS.h to the_main_loop
1537      - Moving cd_code specific store dir.s to pkg/cd_code
1538    o ctrl package totally restructured
1539      - pack/unpack now optional and decoupled from
1540        xx_/adxx_ I/O
1541      - ctrl_pack/unpack cleaned
1542        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1543      - confined inclusion of AD_CONFIG.h to where necessary.
1544    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1545    
1546    checkpoint51p_post
1547  o create initial cd_code package  o create initial cd_code package
1548      - WARNING: the initialization of fields within packages
1549        is broken because INI_FIELDS (where READ_CHECKPOINT is
1550        called) is called *before* PACKAGES_INIT_VARIABLES.
1551        This seems to be backwards since
1552        1) its important to initially zero the entire field including
1553           the "halo" region
1554        2) zeroing needs to be done *before* reading pickup info
1555           and the pickup call might or might not happen in any
1556           particular run
1557      - this needs an overhaul for R2
1558  o cleanup verification/*/code/GMREDI_OPTIONS.h  o cleanup verification/*/code/GMREDI_OPTIONS.h
1559  o cleanup testreport  o cleanup testreport
1560    

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