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revision 1.163 by jmc, Thu Jun 12 21:25:24 2003 UTC revision 1.721 by dfer, Tue Aug 29 18:10:03 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 diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
8    
9    checkpoint58o_post
10    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
11      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
12    o change controling S/R for writing pickup file (new S/R do_write_pickup)
13      and clean-up reading/writing of pickup files.
14    o fix local version of read/write pickup (NH part) in rotating_tank/code
15    o simplify EXCH interface:
16     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
17     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
18    o added the regrid package
19    o shelfice:
20     - add a simple boundary layer scheme to reduce noise
21     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
22    
23    checkpoint58n_post
24    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
25       local variable (not in common block).
26    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
27      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
28      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
29        to work with SingleCpuIO.
30    o add "_d 0" to real constant of pkg/cfc subroutines ;
31       update exp. cfc_exemple & tutorial_cfc_offline output files.
32    o multi-threading and IO:
33      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
34        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
35      - barrier before and after reading.
36      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
37      - avoid using MDS_WRITELOCAL for LAND pkg output.
38      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
39        common-block variables ; Allows multi-threading with master-thread IO.
40    o change default MAX_NO_THREADS from 32 to 4 ;
41      and stop cleanly when MAX_NO_THREADS is too small.
42    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
43    
44    checkpoint58m_post
45    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
46       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
47    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
48       keep global_ocean.90x40x15 (for AD testing) with former secondary test
49       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
50    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
51        add MITgcm_tutorials (= code + all the tutorials)
52    o ecco, option to compute cost for total ssh (mean+anom)
53    o consistent with addition of ptracer and ssh in pkg/profiles
54    o profiles: adding ptracer and ssh
55    o testreport: change multi-test output-file name
56      (from output.txt.{name} to output.{name}.txt)
57    o profiles: now ok for mutli-tiles case
58    o seaice: add 4 parameters for different advection schemes for area,
59      (effective) seaice thickness, enthalphy, and snow height. Their default
60      is the standard parameter SEAICEadvScheme
61    o calc_gw:
62     - add cosFacU in zonal viscous flux (harmonic.visc.).
63     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
64       of tutorial_plume_on_slope.
65    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
66    o calc_gw: true flux-form, account for horizontal grid spacing.
67      update rotating_tank results, but not plume_on_slope (affected at
68      truncation level, 11 digits).
69    
70    checkpoint58l_post
71    o calc_gw:
72     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
73     - remove side-drag for now (need to fix it); update plume_on_slope results.
74     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
75    o commit code to make SST/SSS weights spatially variable
76      (based on either variable in-situ or variable initial T/S weights)
77    o pkg/ecco:
78      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
79        now based on horizontally varying weights wthetaLev, wsaltLev
80      * cost_averagesflags now returns year indices in addition to day, month
81      * sflux balance is performed on annual basis
82        (sflxumm, sfluxmm2, bal_sfluxmm)
83      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
84        including separate counting and multipliers
85    o pkg/rbcs
86      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
87    
88    checkpoint58k_post
89    o testreport:
90     - always build in dir. "build" (if not there, mkdir build instead of building
91       & running in input)
92     - run in dir run (if it exists), in build otherwise.
93     - call prepare_run (if input/prepare_run exists)
94     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
95    o pkg/exf modifications to interpolation and rotation routines for more
96       reasonable treatment of North Pole singularity: for tracers North Pole
97       value is set to northernmost zonal-mean value, for zonal velocity it is
98       set to zero, and for meridional velocity it is set to northernmost value.
99    o pkg/exf/exf_check_range.F
100     - add tile index to diagnostics and move stop statement to the very
101       end of the routine.
102    o pkg/diagnostics: (diagnostics_main_init.F)
103      define title of isomorphic variables according to the current config.
104    o pkg/thsice with pkg/seaice dynamics:
105    - fix domain of computation (interior only, required for exf) and do exchanges
106    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
107    o towards a standard way of dealing with multi-threading in MONITOR
108      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
109    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
110       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
111    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
112    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
113    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
114       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
115    o tracer advection:
116     - clean-up and simplify calc_common_factors.F
117     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
118       advection subroutine (but still not used within DST advection S/R)
119    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
120    
121    checkpoint58j_post
122    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
123      from file (collects calls previously in FORWARD_STEP)
124    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
125    o adjoint store dir. adjusted accordingly
126    o genmake2
127      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
128    
129    checkpoint58i_post
130    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
131      on wind stress (SEAICEstressFactor defaults to 1.)
132    o Total number of Timers is finite (<=40): comment out 2 non-essential one
133      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
134    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
135      on CS-grid: no longer loosing mass.
136    o exf & curvilinear-grid: no longer modify longitude xC & xG.
137    o pkg/ggl90: fix sloppy output and fix a bug
138    o pkg/seaice: added SEAICEuseEVPpickup parameter
139      - Set to false in order to start EVP solver with
140        non-EVP pickup files when using SEAICEuseEVP
141      - fix sign error in diffusion in seaice_calc_rhs
142    
143    checkpoint58h_post
144    * Modifications for bottom topography control
145      o replace hFacC by _hFacC at various places
146      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
147      o add non-self-adjoint cg2d_nsa
148      o update autodiff support routines
149      o re-initialise hfac after ctrl_depth_ini
150      o works for 5x5 box, doesnt work for global_ocean.90x40x15
151    * Adding verification for 5x5 box (4-layer) bottom topography control
152    
153    checkpoint58g_post
154    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
155       used for mean seasonal cycle, mean diurnal cycle); add an example
156       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
157    o pkg/ggl90:
158      - add parameter (minimum surface kinetic energy)
159      - fix bug (avoiding division by zero)
160    o couple pkg/thsice to pkg/seaice:
161      - modify advection in seaice to accomodate new scalar fields to be advected
162      - only muliDimAdection scheme work with seaice/thsice
163      - mapping of thsice-variables to seaice-variables, back and forth
164      - does not break the verification experiments, but does not give the
165        desired results either
166    o pkg/seaice
167      - make (default) second order advection a bit less confusing?
168    
169    checkpoint58f_post
170    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
171      to pkg/seaice):
172      - new routines thsice_map_exf and thsice_get_exf provide the interface
173      - add an additional formal parameter to thsice_solve4temp
174    o pkg/exf:
175      - add new fields wspeed, snowprecip (to be able to couple to thsice)
176      - correct Stefan-Boltzmann constant
177      - new parameter for longwave surface emittance
178      - separate some stuff from exf_bulkformulae into new routines  
179        exf_radiation, exf_wind
180      - add new parameters and constants: longwave emissivity for ocean, ice
181        and snow, evaporation parameters over ice
182      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
183        either wind from stress or stress from wind
184    o pkg/thSIce:
185    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
186    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
187       and THSICE_CALC_THICKN
188    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
189    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
190      to make debugging easier.
191    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
192    o pkg/bulk_force:
193      - clean-up comments and parameters ;
194      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
195    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
196      generate new output for test-experiment: aim.5l_cs.thSI
197    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
198      testreport accordingly
199    
200    checkpoint58e_post
201    o SEAICE_CGRID adjoint done
202    o R_STAR adjoint implemented.
203      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
204      * need to sort out init. of h0facc, etc.
205    o Make pkg/profile fully independent of ecco,cost, etc. stuff
206      to be able to use it in pure forward.
207    
208    checkpoint58d_post
209    o upgrade simple test-experiment to tutorial example:
210     step.1: duplicate the experiment and (step.2) will remove the old copy.
211      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
212      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
213      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
214      tutorial_global_oce_biogeo    <- copy of dic_example
215      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
216      tutorial_plume_on_slope       <- copy of plume_on_slope
217      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
218      tutorial_global_oce_optim     <- empty for now (David ?)
219      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
220     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
221    o correct a sign problem in cost_scat.F
222    o obcs and ptracers: fix boundary conditions for advections schemes
223      with larger stencil
224    o thsice adjoint: start
225    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
226      completeness
227    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
228      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
229    o ptracers adjoint:
230      * avoid extensive recomputatations
231      * fix missing re-init. of gptr (missed by TAF)
232    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
233      me to turn off the excessive output to STDOUT that this package produces
234    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
235      and add those terms in Vector-Invariant formulation.
236    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
237      if the control period (xx_hfluxperiod etc) is 0
238    o in profiles pkg, clean routines and fix details
239    o in ecco pkg, reading ssh data:
240      fix problem in case the model does not start at iter0=0
241    o fix mnc-pickup/restart for ptracers
242    o new package prifiles:
243      code to compute profile-based cost by Gael Forget
244      (modifs in ecco, ctrl, autodiff)
245    o Benign bug fix in initialization (spotted by M. Mazloff) of
246      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
247    
248    checkpoint58c_post
249    o adjoint: finish NLFS adjoint and provide reference output in
250      verification/global_ocean.90x40x15/results_ad_nlfs
251    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
252      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
253      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
254      with SEAICE_CGRID defined.
255    o move calendarDumps from "data" to "data.cal" and clean-up the code
256      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
257    o add useEXF & useCAL flags (for now, set in hard-coded way)
258    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
259      (were missing in NH mode, and wrong in quasihydrostatic mode).
260      waiting for Chris updated version of calc_gw to add those CALLs.
261    o fix bug in quasihydrostatic S/R ;
262      add a test for this option: global_ocean.90x40x15.qshyd
263    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
264      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
265    o add on/off flag useOffLine for package OFFLINE
266    o seaice:
267      - modify advection so that it works also on the C-grid
268      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
269        problem in multi-tile runs with C-grid
270      - add flags for clipping ice velocities and/or masking solver forcing
271      - fix drag (ocean on ice) formulation and a bug that caused noise in the
272        C-grid solver
273      - added a few comments to seaice_diffusion.F
274      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
275        are now exclusive)
276      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
277        required re-ordering the code a little:
278       + make DAIRN global variable (defined in SEAICE)
279       + move computation of the viscosities eta and zeta into a new separate
280         routine (because I need to recompute them in seaice_ocean_stress.F)
281    
282    checkpoint58b_post
283    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
284      update output.txt of exp. aim.5l_cs.thSI
285    o various mnc cleanups and improvements:
286      + shrink lookup tables by factor of ~4
287      + better error reporting when running out of lookup space
288      + able to handle longer path/file names (up to 500 chars)
289    o adjoint:
290      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
291      - TBD: "hidden" mom_vecinv recomp. in dynamics
292    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
293     (allow to differentiate between forcing components using new integer flags:
294      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
295     and add new flag to put Dissipation tendency out of Adams-Bashforth.
296    o ecco
297      - enable trend removal from SSH anomaly obs.
298    o adjoint
299      - a fix for PmEpR when #undef EXACT_CONSERV
300      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
301      - try to fix "hidden" recomp. in forward_step for NLFS
302        (NLFS seems broken sometimes after I checked it in)
303    o seaice:
304     - add c-grid version of the dynamic solver:
305       + three new routines that are the c-grid substitute lsr, dynsolver
306         and ostres
307       + put a few fields that were local to dynsolver into global common
308         blocks, so that I can move the computation of stresses etc into
309         seaice_lsr (saves coding but may break the adjoint).
310     - replace more hardwired parameters by runtime parameters
311     - add ice masks that mask the rhs of the implicit solvers where there
312       is no ice (commented out in seaice_dynsolver, because i am not sure
313       if this works properly), eventually this should replace the clipping
314       of ice velocities in seaice_dynsolver to +/-40cm/s.
315    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
316      include it only where its needed
317    o move balancing of fluxes before the call of external_forcing_surf
318    o seaice:
319      - correct units of turning angles (now they are really in degrees)
320      - move computation of GWATX/Y out of main routine into dynsolver
321      - initialize GWATX/Y in seaice_init
322    o Apply mask on Fresh-Water flux (needed for SSH forcing).
323      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
324    o seaice: add runtime flags for turning angles (default to zero)
325    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
326      and trend from exf forcing and ctrl control adjustments
327    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
328      (since checkpoint57x_post)
329    o change the default rotation period to 86164.s = the Earth rotation
330    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
331      and based on a reference stratification. Tested within hs94.cs-32x32x5.
332    o seaice advection: add code for choosing between the default (2nd order
333      central differences) and multiDim advection schemes provided by
334      pkg/generic_advdiff
335    o seaice:
336      - removed all references to SEAICE_GRID.h fields from
337        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
338        (cubed-sphere configuration will change a little)
339      - grid computations in seaice_init are obsolete now.
340      - cleaned up code a little so that is easier to read (hopefully).
341      - added new (better?) discretizations of default advection and diffusion
342        (turn on with SEAICEuseFluxForm)
343      - replace 1 in 3d global fields by kSurface in growth.F
344      
345    checkpoint58a_post
346    o seaice:
347      - bug fix in advect.F
348    o shelfice:
349      - separate shelfice load anomaly from pload (breaks with time
350        dependent forcing), => introduce constant field shelficeLoadAnomaly.
351        Its default is 0., but it may be computed more cleverly from (unknown)
352        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
353        done offline. A good approximation of the pressure load anomaly is
354        necessary to avoid large initial adjustment processes underneath
355        deep-reaching shelfice.
356      - small fix in ISOMIP shelfice_thermodynamics
357      - add more sophisticated thermodynamics of Hellmer (1989), this is
358        now the default
359      - give a few constants more intuitive names
360    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
361      if bulk formulae are used in long integration (especially EmPmR). Turn
362      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
363      if balancePrintMean, the imbalance that is substracted is printed to
364      STDOUT.
365    o fix bug (typo) in obcs_apply_eta.F
366    o add a new package shelfice which enables us to model the circulation
367      underneath shelf-ice with draughts of hundreds of meters.
368     - works
369     - to do: + include improved thermodynamics
370              + check whether kSurfC (from model/inc/SURFACE.h) can be used
371                instead of new field kTopC
372              + can we use topoFile, Ro_surf and existing code in ini_depth.F
373                instead of new field R_shelfIce and new code in ini_depth.F
374                and ini_mask_etc.F?
375              + adjust vertical mixing schemes?
376    o seaice pkg:
377     - add a cpp-flag to include a simple formula for a salinity dependent
378       freezing point of sea water at the surface
379     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
380       meridional stresses are now different (and hopefully correct)
381    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
382       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
383       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
384    o pkg/diagnostics: add options and parameters for regional-statistics
385       diagnostics ; define regions by reading a region-mask from a file
386       (might add other options later)
387    o pkg/bulk_force:
388     - add option and parameters to use AIM surface-flux formulae.
389     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
390       others forcing fields (defined in PARM05, parameter file "data") are loaded
391       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
392     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
393     - use the right EXCH call for uwind,vwind (to work on CS-grid).
394     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
395       and parameters (note: calcWindStress replaces .NOT.readwindstress).
396     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
397    
398    checkpoint58
399    o add "--embed-source" option to genmake2 which, when the supporting
400      tools can be compiled (as determined by genmake2) will turn on the
401      embed_files package which then embeds the entire MITgcm source code
402      (*.[fFhc] + Makefile) used for the build within the executable
403      - requested by CNH but off by default
404      - adds a paltry <9MB to the mitgcmuv executable in most cases
405      - only writes the output when useEMBEDSRC in eedata is true
406    o clean up 3-dim. relaxation codes:
407      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
408      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
409      * Thanks to Tom Haine for testing!
410    
411    checkpoint57z_post
412    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
413      affects output (@ truncation level) of exp. plume_on_slope ; updated.
414    o fix the pickup behavior for obcs in combination with ptracers
415    o fix a bug in ptracers_external_fields_load
416    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
417      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
418    o transfered surface NH pressure to eta field (if exactConserv).
419    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
420         and update lab_sea output.txt file.
421    o completing 3-dim. relaxation code: additional term
422         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
423      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
424      * At compile time, in "EXF_OPTIONS.h" set
425          #define  ALLOW_CLIMTEMP_RELAXATION
426          #define  ALLOW_CLIMSALT_RELAXATION
427      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
428          tauThetaClimRelax3Dim = 15552000.0,
429          tauSaltClimRelax3Dim  = 15552000.0,
430      * 3 cases:
431          1) Use a constant-in-time 3-dim. field
432          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
433          3) Real-time relax. to time-evolving prescribed field
434    o Adding Laplacian-type smoothness constraint on
435      initial and boundary (forcing) controls (ic, bc)
436      * enable at compile-time via
437        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
438      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
439      * Absolute scale somewhat unclear so far
440      * no area weighting was included since no other cost term does so far
441    
442    checkpoint57y_post
443    First step for a NLFS adjoint
444    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
445    o new init. routines for calc_r_star, calc_surf_dr
446    o still need to deal with ini_masks_etc
447    o testreport seemed happy
448    checkpoint57y_pre
449    
450    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
451    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
452    o add new offset feature to offline pkg (plus minor cleanup)
453    o cfc fixes for final year of integration
454    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
455      be in GCHEM_OPTIONS).
456    
457    checkpoint57x_post
458    o fix testreport Pb in multiple test experiment.
459    o cleanup our namelist syntax in verification:
460      - make it more F95 standards compliant (some work still needed)
461      - allows the vast majority of our tests to work with gfortran
462    o Non-Hydrostatic:
463     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
464     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
465    o Allow to apply AB on T,S rather than on AB(gT,gS):
466     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
467     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
468       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
469     - need a "clever" read_pickup to restart from the other AB formulation
470    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
471    o remove some unused variables (reduces number of compiler warnings)
472    o adjoint
473      * Disable useVariableViscosity for adjoint for time being
474        (there are a number of extensive recomputations)
475      * Initialize certain variables needed for adjoint
476    
477    checkpoint57w_post
478    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
479                 fix the singleCpuIO RS version of MDSWRITEFIELD
480       and add a WARNING if using globalFiles=T with multi-processors.
481    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
482      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
483    o tracer advection scheme:
484      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
485       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
486       was not very convenient).
487      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
488       (further tests needed for the implicit DST & Flux-Limiter schemes).
489    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
490      and sRef for convenience, handy, when you want to initialize
491      ptracers in a large domain with a constant non-zero value. Also,
492      untangle ptracers_init.F a little.
493    
494    checkpoint57v_post
495    o change dome exp. to use variable viscosity in side-drag terms.
496    o remove all the files from the cfc_offline test since they are now
497      incorporated into tutorial_cfc_offline which has been producing
498      identical results for a few days of testing
499    o add new parameter: sideDragFactor to enable half-slip-side BC
500      and change side-drag S/R to use viscosity from mom_calc_visc
501      (can switch back by setting sideDragFactor=0.); affects results at
502      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
503       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
504    o vorticity & strain are now computed without masking, to account for
505      no-slip-side BC in variable viscosity calculation ; mask is applied
506      anyway later on, before computing advection/coriolis terms.
507    o modify exp4 to test new obcs support for reading from external files
508      and for passive tracers
509    o fix behavior of ptracers_monitor when monitor output is written to a
510      netcdf-file; still not independent of monitor.F (writes in the same
511      file).
512    o change default value of tRef (put a uniform, meaningful value for ocean
513      & atmos) and initialize sRef (was missing, as Martin mentioned).
514    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
515      to be proportional to enstrophy dissipation length.  Thus,
516       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
517      This is now consistent with Smagorinsky and with the manual.
518    
519    checkpoint57u_post
520    o OBCS and PTRACERS: add open boundary support for passive tracers
521      - either use homogenous (pseudo) v.Neumann conditions or prescribe
522        OB-values from file; this is not different from the way theta and salinity
523        are treated
524      - however, Orlanski-radiation conditions are not supported, and the model
525        will stop if you use pTracers and Orlanski at the same time.
526      - beefed up the rountine obcs_external_fields_load: now only those open
527        boundary values are overwritten with values from files for which there
528        are really files, otherwise the OB-fields remain untouched. This makes
529        it possible to use different OBs at different ends of the domain (as
530        with EXF)
531    o reduce number of exch calls in shap_filt (s2).
532    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
533      truncation level) 4/5 MLAdjust test results (11&12 digits match).
534    
535    checkpoint57t_post
536    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
537    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
538      same truncation, independent of the face number: affects affects several
539      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
540    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
541      note that biharmonic viscosity + no-slip was not tested in any experiment.
542    o fix bug in non-linear free-surf side-drag ; generate new output for
543      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
544    o make mnc honor the writeBinaryPrec flag for most kinds of output
545    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
546    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
547      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
548    o add brackets in multi-terms sum to get same truncation, independent of
549      the face number (manage to get exactly same value of gU,gV at the cs-edge)
550      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
551    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
552      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
553      a maximum grid-scale Reynolds number.  Also, changes all length calculations
554      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
555      Suggested values of viscosity parameters found in mom_calc_visc.
556      Many new viscosity diagnostics available.
557    
558    checkpoint57s_post
559    o Add clearing-house for viscosity calculations, mom_calc_visc and
560      correct numerous bugs in LeithD and Smagorinsky discretizations.  
561      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
562      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
563      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
564      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
565      The Strain-Tension form is now called with useStrainTensonVisc=.true.
566      ViscAhStrain and viscAhTension are now retired.
567    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
568    o In response to JMC's bug report, genmake2 now ignores any soft-links
569      that it finds in the *current* directory when searching for files.
570      Soft-links found in any other source directories will still work as
571      they did before.
572    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
573      a C routine to unlimit the stack size
574    o mnc-ify pkg/aim snapshot vars
575    o mnc-ify pkg/land as requested by Daniel
576    o various changes to mnc including:
577      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
578      - output can now be grouped so that all files within a group
579          change the ITER portion of their names in lock-step together
580      - can now read ("global") PER-FACE (in addition to PER-TILE) files
581          and works with both EXCH1 and EXCH2 (but needs more testing)
582      - writing works for all verification test cases w/ g77 on Linux
583    
584    checkpoint57r_post
585    o make MNC variable initialization happen earlier
586    o add diagnostics for (almost) each term of the momentum Eq.
587    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
588    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
589    o remove MINIMAL_TAVE_OUTPUT option ;
590      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
591    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
592      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
593    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
594    o add time-dependent SST, SSS control
595    o cost terms in ecco/ modularized (new cost_generic.F)
596    o cost_averages routines are modularized (new cost_averagesgeneric.F)
597    o new infrastructure for seaice model vs. obs misfits in seaice/
598      * driver from the_main_loop.F is seaice_cost_driver.F
599      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
600      * gradient check in Exp. 6a of natl_box_adjoint/
601    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
602      (see README file)
603    
604    checkpoint57q_post
605    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
606    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
607      - bug was reported by Jean-Michel and Ian Fenty
608    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
609      update exp. cpl_aim+ocn output.
610    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
611      Needed for high-res. runs with large global files
612      to be able to limit tapelev size
613    o Changed some tests for adjoint:
614      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
615      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
616      * global_ocean.90x40x15/ back to default 3-level checkpointing
617    o Modifications to enable scripted COMMON to MODULE conversion
618      * verification/OpenAD/code/ has necessary scripts and description;
619      * converts, compiles and runs successfully;
620    
621    checkpoint57p_post
622    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
623    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
624      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
625    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
626    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
627      (was already the case for dissipation with mom_vecinv,
628       and also the case for grad.PhiHyd when staggered-timeStep)
629      This will allow to put dissipation out-off the AB time-stepping.
630     Unfortunately, affects truncation error. Update output of exp. that "fails"
631      (cg2d matching number) and leave the others for later: front_relax(10),
632      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
633      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
634    
635    checkpoint57o_post
636    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
637      (2) its ready to be documented during the 20050801 DocFest
638    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
639      for ideal_2D_oce and lab_sea on linux_ia32_g77
640    o set to #undef CTRL_SET_OLD_MAXCVARS_30
641      in global1x1_tot/code_seaice_adj to access indices 32, 33
642      (worth another tag)
643    
644    checkpoint57n_post
645    o adding precip control xx_precip 32
646    o adding swflux control xx_swflux 33
647    o Replacing 10 forcing penalty cost routines by 1 generic.
648    o Implementing partitioning in time-mean and variable adjustment
649      for atmos. state.
650    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
651    o in natl_box_adjoint:
652      * updated exp 1 to 10
653        (but does not have time-mean vs. variable split results yet)
654    o updated global1x1/*_seaice_adj/
655      to incorporate latest changes
656    o enable useSingleCpuIO for mdsio vector routines
657      (applies in particular to tapelev I/O)
658    o removed inefficient K-loop in all active_file*control*.F
659    
660    checkpoint57m_post
661    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
662      and advect_cs (use EXCH-2 and standard cs-32 grid files).
663    o pkg/exch2: filling of face-corner halo regions is optional
664      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
665    
666    checkpoint57l_post
667     tag before updating tutorials (pre-release-2)
668    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
669       for output and interpolation of input fields onto model grid)
670    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
671       Affects results of exp. rotating_tank ; update output.txt.
672    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
673          and taking the square quantity and/or using a fraction-weight field.
674    o fix aim_diagnostics_init.F mate numbers.
675    o add mnc output capability to diagnostics/diagstat and update
676      our cvsignore files for the ACSII output generated
677    
678    checkpoint57k_post
679    o lab_sea now uses diagnostics package and provides a suite of
680      new EXF diagnostics output.
681    
682    checkpoint57j_post
683    o exf
684      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
685        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
686        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
687      * extended diagnostics output
688        - now includes all EXF variables
689        - hs, hl moved to common block
690        - separate S/R for diagnostics, called after ctrl vector is added
691        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
692        - EXFqnet contains true Qnet (i.e. includes qsw)
693      * updated verif. lab_sea, global_with_exf
694      * Rearranging hflux (exf_mapfields -> exf_getforcing)
695        to ensure that diagnostics sees a true EXFqnet
696    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
697    o diagnostics pkg: change pointers so that 1 diagnostic can be used
698      several times with different frequencies.
699    o mnc-ify the thsice package as requested by Daniel Enderton
700      - the monitor--MNC output needs work
701      - many attributes need to be added (most are currently blank)
702    o mnc-ify theaim_v23 package as requested by Daniel Enderton
703      - many attributes need to be added (most are currently blank)
704    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
705    o add Sadourny like discretization to the 4th.O vorticity advection scheme
706    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
707      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
708         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
709    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
710     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
711    
712    checkpoint57i_post
713    o Diagnostics package was changed: diagnostic allocation is now deactivated
714      by setting an empty file name in the namelist (used to be by setting 0 frequency)
715    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
716      add 1rst Order upwind vertical Shear.
717    o add a quick fix for A/B checkpointing in OFFLINE mode
718    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
719      end-run around the C/Fortran linking horror in eesup/src/timers.F
720    o added pkg/runclock: allows user to terminate run based on wall clock
721    o added non-hydrostatic scaling parameter: nh_am2
722    o pkg/my82: futile attempt to make results compiler-independent by adding
723      some "_d 0", etc. no effect.
724    o for mnc output, fill the 'T' coordinate var with myTime and create a
725      separate 'iter' variable for iteration count
726    o pkg/diagnostics:
727      add new capability: output of Global/Regional & per-level statistics ;
728      tested against monitor output (including land & thSIce) on various exp.
729    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
730    
731    checkpoint57h_done
732      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
733      data.diagnostics, data.gchem, data.ptracers) is done.
734    
735    o pkg/diagnostics: prepare for Global/Regional statistics.
736      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
737    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
738      and rename it: DIFFERENT_MULTIPLE
739    
740    checkpoint57h_post
741    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
742    o pkg/diagnostics: change output frequency, now in seconds (instead
743      of Nb of iterations). This requires to change data.diagnostics.
744    checkpoint57h_pre
745    
746    o in mnc, let the user create the output dir if both mnc_outdir_date
747      and mnc_outdir_num are false
748    o add fflags() to pkg/diagnostics which allows one to specify, on a
749      per-file basis, the file precision [default behavior is unchanged]
750    o added diagnostics to pkg/kpp, including computation of mixed layer
751      depth based on a temperature/density criterion
752    o updated verification/natl_box to test the new pkg/kpp diagnostics
753    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
754    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
755    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
756      not mnc -- this mistake was found by JMC and is now corrected
757    
758    checkpoint57g_post
759    o add Adams-Bashforth 3rd Order time stepping:
760      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
761      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
762    checkpoint57g_pre
763    
764    o make lambda[Theta,Salt]ClimRelax spatially varying
765      (default remains spatially uniform constant based on tau)
766    o added new control variables
767      * init. uVel, vVel, etanN
768      * lambda[Theta,Salt]ClimRelax
769    o separate masks used for ctrl_pack/unpack 'from write_grid' output
770      (suggested by G. Forget)
771    
772    checkpoint57f_post
773    o add parameter "baseTime" = model base time = time at iteration zero
774      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
775      account for baseTime shift
776    o move Coriolis arrays from PARAMS.h to GRID.h
777    checkpoint57f_pre
778    
779    o mnc-ifying the seaice package
780    o introduced an alternative length scale calculation for use in the limiting
781      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
782    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
783    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
784      as well as grad(vort3).  Made it compatible with both approximate form
785      for the cubed sphere and full form of these gradients.  Added flag
786      useFullLeith to select between approximate and full form.  
787    o add "d0" in getcon.F to reduce differences between compilers/platforms
788      update output.txt of exp. fizhi-gridalt-hs
789    o change port_rand funtion to allow to set the seed.
790    o fix obscure MNC bug involving conversion between reals and integers
791      - it caused no problems with certain (eg. gcc, ifc) compilers but the
792        new version is now more standards-compliant
793    o adjoint-related modifications
794      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
795      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
796      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
797    
798    checkpoint57e_post
799    o Adding eddy stress controls a la Ferreira et al.
800    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
801    
802    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
803      update output.txt of exp. fizhi-gridalt-hs
804    o add more "Z" dimensions and associated coordinate vars to MNC
805    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
806    o parameter calendarDumps: when set, approximate months (30-31 days) and years
807      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
808      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
809      months and years.  Requires pkg/cal.
810    o diagnostics: add pickup functionality
811      - off by default for backwards compatibility
812      - current version only uses MDSIO -- MNC will be added
813    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
814    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
815    
816    checkpoint57d_post
817    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
818    o modify verification/ideal_2D_oce so that it tests the creation of mnc
819      output from the diagnostics package
820    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
821    o make genmake2 more portable by using ".$FS" instead of ".f" for more
822      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
823    o add coordinate variables to the MNC output from the diagnostics package
824    o change MNC-flags default value: true when useMNC=TRUE
825    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
826      the ability (off by default) to read the grid information using MNC
827    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
828    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
829    o do snap-shot diagnostics at the middle of the time-interval (instead of
830      at the end).
831    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
832      new test for AIM with thSIce + slab-ocean
833    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
834    o move state variable diagnostics to the beginning of the time step ;
835      (note: still needs some work specially for snap-shot diagnostics)
836      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
837    
838    checkpoint57c_post
839    o Change testing option (-ieee) to get closer agreement between g77 & ifort
840    o generate new output.txt files on faulks with g77 & the new -ieee option
841    checkpoint57c_pre
842    
843    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
844      update output.txt of exp. global_ocean.90x40x15
845    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
846      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
847    o add saltFlux(+File) forcing capability with periodicExternalForcing
848    o allow to use pkg diagnostics for GM-Redi & ThSIce output
849    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
850    o improvements for the MNC output from DIAGNOSTICS:
851      - correct handling of the unlimitied dimension
852      - all dims now have associated coordinate variables
853      - variables located at U, V, and Corner ("Z") points are now written
854        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
855        *all* data points are output
856    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
857    o added pkg/seaice/seaice_monitor.F
858    o mdsio_readfield.F can now read files visible only to master MPI process.
859    o pkg/seaice: some test code for ice-modified ocean stress
860    o exf_getffields interpolation defaults to bilinear for all scalar forcing
861      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
862      spurious negative numbers for precipitation and humidity.  Will cause
863      some small numerical differences for integrations using pkg/exf/exf_interp.F.
864    o pkg/ctrl/
865      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
866        May be enabled via doPackDiag
867      *  introduce z-scaling of
868         + gradient (doZscalePack) and
869         + control (doZscaleUnpack)
870    o pkg/mdsio/
871      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
872      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
873    
874    checkpoint57b_post
875    o simplify options in diagnostics_fill arguments (remove weird combinations)
876    o fix MNC coordinate variables so that they now contain per-face index
877      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
878      general, EXCH2 grids are only aligned to a "local" coordinate system
879    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
880    o Implement instantaneous output within pkg diagnostics:
881      setting a negative frequency in data.diagnostics produces
882     "snap-shot" output (as opposed to time-average if freq > 0)
883    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
884      NOTE: change ptracer diagnostics name: use 2 characters to work with
885            more than 9 tracers. Add also diagnostics of advect & diffus flux.
886    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
887      becomes the coordinate variable for the 'T' dimension
888    o add CF-style coordinate variables to MNC
889      - just a first cut:  numbers are meaningless on the cubesphere and
890        missing along the T axis but otherwise it works!
891    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
892    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
893    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
894      this is based directly on what the model compute, so that the content of
895      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
896    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
897    o clean up build options files for SunOS, in particular
898      - remove -traditional from xmakedepend
899      - change -xarch=v9 to -xarch=native for f77
900      - restore use of make (not gmake)
901      - add CC=gcc if using g77
902    o changes per discussion of AM, JMC, & EH3 today:
903      - move redundant "grid" variables out of "state" -- in preparation of
904        creating proper CF-style coordinate variables and in recognition
905        that any/all grid variables can be easily copied (eg. w/NCO) from
906        the grid files into any of the other NetCDF files
907      - *always* output grid variables with MDSIO (this will eventually be
908        changed)
909      - output MNC grid file if useMNC is true
910    o every instance of _END_MASTER() has been found and replaced with
911      _END_MASTER( myThid ) in order to satisfy certain picky Sun
912      preprocessors
913    o re-arrange diagnostics pkg initialisation:
914     - allow each package to extend the available diagnostics list
915     - add some checking and fix small problems (multi-threaded, ...)
916     - new S/R diagnostics_fill (replace fill_diagnostics):
917       look through the short list of active diag. (instead of the long list)
918       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
919    
920    checkpoint57a_post
921    o this set of changes restores TAMC compatibility
922      tested for global_ocean.90x40x15 adjoint on trough
923      (what a pain)
924    
925    checkpoint57a_pre
926    o some modifs in tools/build_options for sunos
927    o call ctrl_pack for ctrl at end for optimcycle=0
928    
929    checkpoint57
930    o add horizontal bi-harmonic viscosity for vertical velocity
931      - new parameter viscA4W (defaults to viscA4)
932      - affects only non-hydrostatic code
933      - to be done: no-slip lateral boundary conditions
934    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
935    o implement Implicit Vertical advection for pTracers
936    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
937      (implemented also for implicit vertical diffusion & advection)
938    o OBCS: extend application of tracer open boundary conditions
939      to a strip beyond the boundary of width Olx/Oly
940    o add call monitor to TAF set of required calls (flow directives)
941      and include in natl_box_adjoint
942    o untangle a few ifdefs related to cost, ctrl, autodiff
943      untangel a few ALLOW_ECCO_OPTIMIZATION
944    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
945      (theta2, salt2 in ecco_cost_weights)
946    
947    checkpoint56c_post
948    o OBCS as control variables
949      - update ctrl_ad_diff.list, obcs_ad_diff.list
950      - remove balance of obcs controls from default
951      - fix index bug nobcs in ctrl_init
952      - fix dummy fields filen in ctrl_pack
953      - add dummy weights for obcs
954    o lsopt: comment out fort.94 output
955    o optim:
956      - remove unnecessary header files
957      - adjusted namelists
958      - add xerbla.F to Makefile
959    o exf:
960      - multiple modifications of exf_check_range
961      - unit change in exf_init_runoff from [m/year] to [m/s]
962    o mdsio:
963      - i/o-vector change debugLevel from debLevA to debLevB
964    
965    checkpoint56b_post
966    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
967      is called from DO_THE_MODEL_IO
968      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
969      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
970      - clean up PTRACERS_WRITE_TIMEAVE a little
971    o add another verification experiment that tests both the cfc-pkg and
972      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
973      reactive tendencies treated inline with regular timestepping
974    o testreport previously did a lousy job of comparing small numbers, so
975      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
976      implemented in the little c-progam tmp_cmpnum.c which is embedded in
977      testreport.
978    o ptracers_monitor: bug fix for MPI
979    
980    checkpoint56a_post
981    o GCHEM: finish reorganizating the package
982      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
983        (introduces another 3D-array for each passive tracer, but only if
984        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
985        gchemTendency is not needed because the timestep is done separately)
986      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
987      - GCHEM is now---more or less cleanly---separate from PTRACERS
988      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
989        so clear to me how that should be done in a general way.
990    o CFC: improve formatting of output in CFC_ATMOS
991    o PTRACERS:
992      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
993        that ALL experiments with ptracers enable can be checked. This makes
994        GCHEM_MONITOR obsolete.
995      - include a runtime parameter PTRACERS_monitorFreq that defaults to
996        monitorFreq
997      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
998    o add PTRACERS (PTR0[1-5]) to testreport output
999    o exf_check_range:
1000      * default changed to .TRUE.
1001      * will check values for niter0 if debLevA, every timestep if debLevB
1002      * STOP in exf_check_range if 'out of range'
1003      * range chosen generous to allow for potential extema
1004      TBD: a version with stricter range
1005           permitted range would be runtime parameters
1006    o GMredi:
1007      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1008      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
1009      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
1010    o GCHEM:
1011      - move call to GCHEM_FORCING_SEP, so that it is now called before
1012        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1013      - introduced a useGCHEM runtime flag and applied it everywhere.
1014      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1015        this flag is now only visible within GCHEM-pkg routines.
1016      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1017        be replaced by a 3D array that is computed before thermodynamics; for
1018        this, the tracer ID iTracer had to be included into the parameter list
1019        of ptracers_forcing
1020      - set up forward_step to call gchem_forcing, that will replace
1021        gchem_forcing_int in ptracers_forcing
1022      - cleaning up
1023    o small cleaning of exch2: remove files that are also in eesupp/src
1024    
1025    checkpoint56
1026    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
1027    o mnc: cleanup "full" files--fixes out-of-memory problem
1028    o ECCO-GODAE
1029      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
1030      * fully merged and updated from SIO code
1031        windstress sign change affects
1032        - exf_inscal_[u/v]stress
1033        - sign of xx_tau[u/v] adjustments
1034        - signs in cost_scat
1035      * ctrl_get_gen: avoid update of tau[u/v] for first few days
1036      * natl_box_adjoint updated and compressed
1037      * 2-level checkpoint switch added
1038        (tested in EXP. 1 of natl_box_adjoint)
1039      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
1040    o SVD
1041      * first complete, non-hacked version for SVD calculations
1042      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
1043        performed via direct access files admtlm_vector.it????
1044        (via ctrl_[un]pack)
1045      * optimcycle is used for ARPACK iteration counter
1046        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
1047      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
1048        and add linear transforms where necessary
1049      * controls are initial/final SST, SSS (can be extended; need to check
1050        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
1051    o mdsio: filename info to both stderr, stdout
1052    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
1053      from sign change
1054    
1055    checkpoint55j_post
1056    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
1057      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1058    o add consistent build directories and .cvsignore files to verification
1059    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
1060    o make all subroutines 30 or less characters in length for certain older
1061      compilers to work (a thorough search only turns up two routines in
1062      pkg/ptracers)
1063    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
1064      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1065    
1066    checkpoint55i_post
1067    o change arrays for total vertical diffusivity (2.D if explicit,
1068      3.D if implicit) ; each ptracer uses its own background value.
1069    o added mnc/NetCDF output capability to ocn_compon_interf
1070      - added bits to verification/cpl_aim+ocn so that it can run on
1071        ITRDA and other clusters without the mpirun "-wd" option
1072    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
1073      configuration
1074    o give MNC the ability to create additional files rather than
1075      exceeding a specified file size limit "MNC_MAX_FILESIZE"
1076      - the default is just less than 2GB which is a practical limit
1077        on many systems
1078    o Compute the non-local term using either KPP vertical diffusivity (=default)
1079       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
1080    
1081    checkpoint55h_post
1082    o add verification test "vermix"
1083    o remove all the *_ioinc flags and replace with the single global
1084      outputTypesInclusive flag
1085    o allow to set a vertical profile of vertical diffusivity for T & S
1086    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
1087    o useMNC moved from data.mnc to data.pkg
1088    
1089    checkpoint55g_post
1090    o Renaming carbon AD experiments to comply with testreport conventions
1091    o Updating adjoint of Held-Suarez hs94.1x64x5
1092    o Fixing directives for non-ECCO forward_step, after ECCO directives
1093      have been fixed to avoid recomp. of do_oceanic_phys
1094      Works well for global_ocean.90x40x15,
1095      but recomp. issue remains for carbon
1096    o Updating adjoint output for natl_box_adjoint after
1097      pkg/ecco has been modified (see taga c55d_post)
1098    
1099    checkpoint55f_post
1100    o rename to timeave_init_fixed
1101    
1102    checkpoint55e_post
1103    o some delicate re-shuffle of store directives to avoid one
1104      extra call of do_oceanic_physics
1105      affects ecco_the_main_loop.F, do_oceanic_physics.F
1106      checkpoint_lev1_directives.h
1107    o NB: this may break global_ocean adjoint temporarily,
1108      but it is clear how to fix it. Will do later, need this now.
1109    
1110    checkpoint55d_post
1111    o ECCO specific cost function terms (up-to-date with 1x1 runs)
1112    o ecco_cost_weights is modified to 1x1 runs
1113    o modifs to allow observations to be read in as
1114      single file or yearly files
1115    o enable to read exf forcing fields as either
1116      single file or yearly files (flag useExfYearlyFields)
1117    checkpoint55d_pre
1118    
1119    o switch between 2-level and 3-level checkpointing
1120    o add ability of MNC to write local and "partial" (eg. 2D slices where
1121      the full 3D field is never actually stored) arrays to NetCDF files
1122      with the correct (that is, the complete multi-dimensional) set of
1123      array indicies
1124      - used in mom_vecinv() to write the diagFreq output
1125      - tested (demonstrated) in verification/aim.5l_cs
1126    o further mnc-ification
1127      - add verification/lab_sea to the list with mnc setups
1128      - fix undefined mnc v-names in cd_code
1129      - add kpp to mnc output (both snapshot and timeave)
1130    o non-hydrostatic code
1131      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1132        in calc_gw.F
1133      - defaults to viscAh
1134      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1135        friction or Leith) in non-hydrostatic mode, as long as there is
1136        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1137    o pkg/cost
1138      extend simple cost functions to treat time mean quantities
1139      (T,U,V) via cost_accumulate_state from cost_tile
1140    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1141        be 2 times larger than the minimum size the advection scheme requires.
1142        now get a perfect conservation of salt in advect_cs test-exp (updated)
1143    o GGL90 (Gaspar's TKE mixed layer)
1144      - add horizontal diffusion of TKE, requires exchanges in
1145        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1146        default. In OPA there is no horizontal diffusion of TKE but the
1147        mixing coefficients are computed from a horizontal average of TKE of
1148        6 points or so. I think that diffusion has a little more physical
1149        justification.
1150      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1151        was in vain)
1152      - mask tke-variable in ggl90_init
1153    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1154    o fix biharmonic diffusion on CS-grid.
1155    o more obcs stuff
1156      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1157        for reading boundary values. This routine is called from
1158        obcs_prescribe_read
1159      - updated obcs_check
1160      - changed sponge layer relaxation parameter units for days to seconds
1161      - turned off sponge layer by default
1162      - changed argument list of OBCS_CALC to myTime+deltaTclock
1163      - fixed about 35 bugs in obcs_external_fields_load
1164    
1165    checkpoint55c_post
1166    o obcs stuff
1167      - new runtime flags useOBCSprescribe, useOBCSbalance
1168      - re-arranged obcs_calc
1169      - moved exf_getobcs to obcs_prescibe_read
1170        obcs_prescibe_read is called after ORLANSKI stuff
1171        and independent of it (executable can contain all).
1172      - updated obcs_check
1173      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1174        These may be necessary only if tangential velocities are
1175        prescribed at OB, not sure, needs testing.
1176    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1177      which simplifies the calls and passes the ifc check-bounds test
1178    
1179    checkpoint55b_post
1180    o add a 2D scalar, Z location, exchange_2 routine.
1181    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1182      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1183      affects advect_cs results (for the wrong reason): update output.txt
1184    o use a more standard discretization for biharmonic viscosity ;
1185     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1186      affects results of dome set-up: update output.txt
1187    o fix gad_advection.F (CubedSphere part), back to version 1.23
1188    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1189    
1190    checkpoint55a_post
1191    o merged code to
1192      * prescribe/read time-dependent open boundaries
1193        (works in conjunction with exf, cal)
1194      * sponge layer code for open boundaries
1195      * each boundary N/S/E/W now has its own CPP option
1196        (healthy for the adjoint)
1197    
1198    checkpoint55
1199    o up-to-date adjoint of previous breaks
1200      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1201      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1202      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1203      - carbon: * remove tr1-related adjoint verification
1204                * add ptracer as control variable
1205    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1206      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1207    
1208    checkpoint54f_post
1209    o in verification/carbin/ remove experiment related to
1210      ALLOW_PASSIVE_TRACER (array tr1 etc)
1211      code_ad/ input_ad/ results_ad
1212    
1213    o add two new packages
1214      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1215        + subject to optimization (memory)
1216      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1217        + subject to reordering (many GOTOs in the original code)
1218        + so far opps is called for every (i,j) point, and then operates in
1219          the vertical; one may want to reorder the scheme in order operate in
1220          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1221          fields)
1222    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1223      - all verification tests compile and run with linux_ia32_g77
1224      - defaults are compatible with current input files--nothing
1225        should change if you were not previously using MNC
1226      - MNC output has been added in numerous places (eg. timeave)
1227        but there are still a few writes not yet do-able with MNC
1228        (this is in progress)
1229      - flags now allow for either/or/both use of MDSIO and MNC and
1230        documentation will soon follow
1231      - numerous small formatting cleanups for ProTeX
1232    o add version info (via BUILD_INFO.h) to MNC and stdout
1233    
1234    checkpoint54e_post
1235    o add two new packages
1236      - pp81 (Packanowski and Philander, 1981), Richardson number and
1237        stratification dependent mixing
1238      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1239      - these scheme operate in a similar manner as KPP (without ghat, of
1240        course), however there is only one diffusivity that is used for both
1241        temperature and salinity (and passive tracers)ç
1242    o add offline package
1243    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1244      provided by Stephanie Dutkiewicz
1245    o genmake2: add ability to search for C compilers and cleanup test output
1246      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1247    
1248    checkpoint54d_post
1249    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1250    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1251      leading to additional shift by 5 days each year of integration
1252       (i.e. leading to considerable offset over the years)
1253    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1254    o start with no AB and no initial filtering (staggerTimeStep):
1255      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1256    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1257      (external loading & cpl import/export stay in forward_step.F)
1258    o update coupling interface to work with new staggerTimeStep
1259    o change MDSIO ptracers_pickup.
1260    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1261    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1262    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1263    
1264    checkpoint54c_post
1265    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1266      this affects (truncation error) output.txt of test-exp:
1267       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1268    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1269    o change Qnet to always be the net heat flux, (+upward).
1270      affects (truncation error) output of natl_box exp.: updated
1271    o define the max number of passive tracers in PTRACERS_SIZE.h
1272    o start to test mnc routinely in exp0
1273    o add sea-ice loading (sIceLoad) as a new forcing field.
1274    
1275    checkpoint54b_post
1276    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1277       impressive on Altix and Opteron systems)
1278    o diagnostics can now write NetCDF files through the mnc package
1279    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1280    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1281    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1282      affects (truncation error) output of lab_sea & natl_box exp.: updated
1283    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1284    
1285    checkpoint54a_post
1286    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1287    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1288    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1289    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1290      + internal_wave (shift in writing cg2d_ini_res)
1291    checkpoint54a_pre
1292    
1293    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1294      - modified verification/lab_sea and natl_box_adjoint accordingly
1295    
1296    checkpoint54
1297    checkpoint53g_post
1298    o prepare splitting of thermodynamics: store convect.counter in common block
1299    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1300      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1301    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1302    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1303    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1304    o restore adjointability
1305    
1306    checkpoint53f_post
1307    o modifications that affect AIM experiment results (update output.txt):
1308      - no advection of S at top interface Nr (pkg/generic_advdiff)
1309      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1310    o AIM pkg:
1311      - include stability function into surf.Flux derivative relative to Tsurf
1312      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1313    
1314    checkpoint53e_post
1315    o merged cylindrical coord configuration
1316    o added rotating_tank experiment
1317    checkpoint53e_pre
1318    
1319    checkpoint53d_post
1320    o faulks upgraded: re-generate output.txt that have changed:
1321       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1322    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1323    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1324    o added Sadourny discretization of Coriolis
1325      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1326      - re-enabled use of omega3 (useAbsVorticity)
1327    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1328      vector-invariant equations
1329      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1330    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1331      hopefully without new bugs
1332      - still to do: biharmonic friction for non-hydrostatic w
1333    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1334    o regenerated output for global_ocean_ebm (using -ieee)
1335    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1336      of mom_common/
1337      - simple re-arrangement of instructions within computing loop
1338    checkpoint53d_pre
1339    
1340    checkpoint53c_post
1341    o new version of coupler for AIM+thSIce and Ocean models
1342     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1343     - land: change Evaporation of snow
1344     - aim with thSIce: fix bug in snow-precip.
1345    o changes to calc_gw.F
1346     - bug fix for w^2 term near the bottom boundary
1347     - (hopefully) improve the lateral slip boundary condtions for use with
1348        partial/looped cells
1349      - because the bug fix changes two verification experiments anyway (exp5
1350        and plume on slope), change the lateral boundary condition from half slip
1351        to the value of no_slip_sides
1352    o ebm package wasnt quite up to the parallel task. Fixed that.
1353    o Adjoint of EBM package + verification
1354      * TLM OK
1355      * ADM not sufficient accuracy yet (needs further testing)
1356    
1357    checkpoint53b_post
1358    o Commiting new energy balance model to repository
1359      * package is pkg/ebm
1360      * verif. is verification/global_ocean_ebm
1361      * references are in ebm_driver.F
1362    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1363    C        Global thermohaline circulation. Part I:
1364    C        Sensitivity to atmospheric moisture transport.
1365    C        J. Climate 12(1), 71-82
1366    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1367    C        Global thermohaline circulation. Part II:
1368    C        Sensitivity with interactive transport.
1369    C        J. Climate 12(1), 83-91
1370    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1371    C        Destabilization of the thermohaline circulation
1372    C        by atmospheric eddy transports.
1373    C        J. Climate 7(12), 1870-1882
1374    o Will need long integration testing.
1375    checkpoint53b_pre
1376    
1377    o created pkg/mom_common in preparation for variable viscosity code
1378    o renamed and split ini_mnc_io
1379    o pkg/land: only liquid water can diffuse or run-off
1380    o AIM using land: soil wetness availability account for snow
1381    o added printMapIncludesZeros to EEPARMS namelist
1382    
1383    checkpoint53a_post
1384    o restore TAMC compatiility for exf_constants.h
1385      (no usage of _d in .h)
1386    o Additional storing in KPP in an attempt to fix
1387      TAMC problem with adjoint of KPP code.
1388      (no success...)
1389      Identical code works fine with TAF.
1390    o Fixed verification/natl_box_adjoint experiments.
1391      Initial conditions for Experiments 4 and 5 are now
1392      set to "SEAICE_initialHEFF=0", which is more reasonable,
1393      and hence gives results closer to that of Experiment 2.
1394      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1395    
1396    checkpoint53
1397    o stable checkpoint with up to date adjoint
1398      TLM tests only run for 1st grdchk at the moment. Its unclear if
1399      this is a code problem or a problem with resetting code for g_
1400      variables that is being autogenerated wrong.
1401      Otherwise:
1402       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1403       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1404         are both still in chaos following their security messes.
1405    
1406    checkpoint52n_post
1407    o various build (mostly genmake2) changes including:
1408      - ability to build/run more easily within Cygwin and MacOS X
1409      - more complicated Makefiles with a stronger dependence on Gnu Make
1410    o pkg/seaice modifications
1411      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1412        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1413        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1414      - changed proxy for geostrophic velocity and updated
1415        verification/lab_sea/results/* accordingly
1416      - removed ADI dynamic solver from pkg/seaice
1417      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1418        they caused a segmentation fault under certain circumstances
1419      - removed unused field WATR
1420    o bug fix in exf-package:
1421      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1422         now reflect that.
1423    o small fixes in the cal-package:
1424      - set reference date to first of January for the 'model'-calendar
1425      - failing of cal_CheckDate in cal_FullDate now actually results in a
1426        warning
1427    o small modifications in exf-package to increase flexibility:
1428      - change climtempfreeze from a constant to a runtime parameter that
1429        is specified in data.exf_clim (default = -1.9)
1430      - introduce runtime parameter windstressmax (default = 2.0) that is
1431        specified in data.exf
1432    o fix in pkg/thsice:
1433      - update Evap (Tsf changes) to be consistent with Latent heat flux
1434      - maintain snow precipitation unchanged (even if Tsf >=0).
1435     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1436    
1437    checkpoint52m_post
1438    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1439      this does not change any of the results, because myIter=0 in swfrac always
1440      lead to jwtype=2 (the default anyway), but the call makes little sense
1441      as a default
1442    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1443    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1444      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1445    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1446    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1447    o extending useSingleCpuIO option to work with new exch2 I/O format
1448      - old-style, missing-tile I/O is still accessible by defining CPP
1449        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1450    o monitor package can write to NetCDF files and/or STDOUT
1451    o fix re-definition bug in MNC_GRID_INIT_ALL()
1452    o doc/api_reference added
1453      - a framework for building an API Reference Manual using all
1454        the "protex" comments embedded in the code
1455      - see pkg/generic_advdiff, pkg/mnc for examples
1456    o MNC:
1457      - make myThid the last argument for all subroutines
1458      - new default for the grid files: NO halos
1459      - add useMNC and other run-time flags
1460      - separate per-file-group handling of the unlimited dimension
1461      - early initialization of MNC w/ flags read at the eeboot stage
1462        and lookup tables set in initialize_fixed
1463      - write all MNC output to a freshly-created directory
1464    o thermodynamics sea-ice (thsice) is now tested with testreport.
1465    o test exp. advect_cs: use the standard cs32 grid ; update output.
1466    o Added functionality to grdchk:
1467      pick global i,j,k position (or nearest wet) where to perform check.
1468    
1469    checkpoint52l_post
1470    o new land formulation:
1471      a) use ground enthalpy as prognostic variable to ensure exact
1472         energy conservation.
1473      b) account for water temperature and for latent heat of freezing
1474         in all processes (rain, run-off, ground storage)
1475      c) compute surface and ground temperature implicitly.
1476    o aim_v23 modification for new land model:
1477      a) Treat separately land / ocean / sea-ice surface fluxes
1478         to allow implicit computation of land & sea-ice surface temp.
1479      b) add snow precipitation.
1480    checkpoint52l_pre
1481    
1482    o fix problem (when 1 tile is empty) in min/max monitor.
1483    o fix bug in timeAve (u,vZetatave in common block)
1484    o no restoring terms under ice for pkg/seaice
1485    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1486    o bug fix for pkg/seaice pickups
1487    o change MNC call locations and add coordinate attributes
1488    o mask vorticity at the corner ; affects global_ocean.cs output
1489    o fix ini_curvilinear_grid ; test CS experiments with mpi
1490    o aim.5l_cs: modify sea-ice fraction input file ; update output
1491    o exf: Adding simple range check routine for exf fields after read
1492    
1493    checkpoint52k_post
1494    o removed top-level directory "diags"
1495      - we migrated these functions to pkg/timeave a long time ago
1496    o fixed bug introduced in pkg/monitor
1497    o accuracy ctrlprec = 32 insuffient for gradient checks using
1498      averaged fields (I/O via cost_averages)
1499      -> use ctrl.h in active_file*.F to control I/O precision.
1500    o paramter list of CALL ADTHE_MAIN_LOOP
1501    o added initial do_the_model_io to ecco
1502    o set all ...Freq to zero after cost_final
1503      taveFreq, dumpFreq, pChkptFreq
1504    o MAIN and ECCO differentiability restored
1505    
1506    checkpoint52j_post
1507    o fix nchklev in tamc.h for global_ocean...
1508    o Bringing flow and store directives up-to-date
1509    o Really weird thing!
1510      call do_the_model_io from the_main_loop with parameters
1511      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1512      TAF places a faulty re-call of initialise_varia
1513      after cost_final call which should not be there!
1514    checkpoint52j_pre
1515    
1516    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1517      error messages
1518    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1519    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1520      debug output
1521    o modfied mdsio_writefield.F to handle non-global files under exch2
1522    o update AIM Cubed-Sphere exp (aim.5l_cs):
1523      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1524    o update AIM Equatorial Channel exp:
1525      use standard aim_v23 pkg and change the SST fields to be more realistic.
1526    o globalFile now works with exch2
1527    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1528      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1529    o limit timeave output for hi-res integrations
1530    
1531    checkpoint52i_post
1532    o removed CPP_EEOPTIONS.h from verification/*/code
1533    o updated the tiling for global_ocean_pressure
1534    checkpoint52i_pre
1535    
1536    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1537      the old pkg/aim).
1538    
1539    checkpoint52h_pre
1540    o shortened offending lines in exch2_send_rx?.template
1541    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1542    o genmake2: add build & execute test for NetCDF code
1543    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1544      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1545    o added useSingleCPUIO flag to monitor.F and mon_out.F
1546    o added temporary hack for sea-ice dynamics on the cube:
1547      metric terms are ignored and it is assumed that
1548      there is no sea-ice on cube faces 1, 2, 4, and 5.
1549    
1550    checkpoint52f_post
1551    o added exch2 cube routines to pkg/exch2
1552    o modified hs94.cs-32x32x5 to use it
1553    o added new grid files to hs94.cs-32x32x5
1554    checkpoint52f_pre
1555    
1556    checkpoint52e_post
1557    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1558      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1559    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1560      to work with implicit vertical advection and AB ;
1561    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1562    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1563     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1564    checkpoint52e_pre
1565    
1566    o fix bug in impldiff when Nr=1 or Nr=2.
1567    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1568    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1569    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1570      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1571    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1572    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1573    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1574    
1575    checkpoint52d_post
1576    o re-tiled many expts to allow comparison in multi-processor mode
1577      - updated output accordingly
1578      - changed hs94.128x64x5 to use intial T from file rather than use the
1579        random number generator
1580    o add infrastructure in model routines for fizhi and gridalt packages
1581    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1582    o changes to permit hi-res, cubed-sphere, configuration
1583      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1584      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1585      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1586        of surface winds for the cube
1587      (A verification experiment, based on global_ocean.cs32x15, but with
1588       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1589       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1590       complete with example surface forcing files and matlab scripts to look
1591       at the output and compare it with that of global_ocean.cs32x15.)
1592    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1593       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1594       to conform to the common rule.
1595    o check-in the first version of the coupler + interfaces for multi-components
1596       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1597       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1598       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1599       - ocean and atmos. share the same horizontal grid (no interpolation).
1600       - exchanges between component and coupler is done in forward_step
1601    o new verification experiment, cpl_aim+ocn:
1602       coupled ocean - AIM atmosphere on cs32 grid.
1603    
1604    checkpoint52d_pre
1605    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1606    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1607    
1608    checkpoint52c_post
1609    o Fixing OPTIONS files for use of exf:
1610      - ALLOW_ECCO not needed
1611      - ECCO_CPPOPTIONS.h should not be included from
1612        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1613        as has been the case in the past
1614      - All cal/exf related options are currently set in
1615        single header file. Should remain so until we
1616        agree on a consistent new policy.
1617    o Removed all CPP options for cal package.
1618      cal has no more CPP options.
1619    o modified STOREs in GAD_ADVECTION
1620    o corrected key comp. for passkey
1621    
1622    checkpoint52b_post
1623    o new version: "thsice" of thermodynamic sea-ice pkg:
1624     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1625     - modify fluxes but do not change theta directly;
1626     - light cleaning of bulk_force pkg (still needed with thsice).
1627     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1628       + output_thsice.txt to test thsice & bulk_force pkgs.
1629    o put back grid & coriolis monitor output.
1630    checkpoint52b_pre
1631    
1632    o call "do_the_model_io" at the beginning (=> dump initial state)
1633    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1634    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1635      (need info on NUMBER_OF_PTRACERS)
1636    o missing PTRACERS headers in some routines
1637    o default tamc.h in pkg/autodiff supposed to crash
1638      to ensure proper customization
1639    
1640    checkpoint52a_post
1641    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1642      - moved surfaceTendencyTice from pkg/seaice to main code
1643      - subroutine FREEZE_SURFACE now limits only surface temperature
1644        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1645        => new output.txt for global_ocean.cs32x15 & global_with_exf
1646      - keep the old version of FREEZE for backward compatibility;
1647        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1648      - corresponding modifs for TAF directives
1649    o added surface flux output variables to TIMEAVE_STATVARS
1650    o time-averaged output for pkg/ptracers
1651    o fix problem with ECCO-related divided adjoint
1652      snapshot file was missing some ad-variables,
1653      but no warning issued by TAF
1654    
1655    checkpoint52a_pre
1656    o some bug fixes for #undef REAL4_IS_SLOW
1657    
1658    checkpoint52 = ecco_c52_e35
1659    o after testing adjoints of checkpoint51u_post
1660    
1661    checkpoint51u_post
1662    o this is the post-merge tag of the ecco-branch
1663      (needs another clean checkout and re-testing)
1664    o various natl_box_adjoint configs and results
1665      but no input fields
1666    o obcs adjoint not yet merged!
1667    o adding ECCO global 1x1 and 2x2 degree configs
1668    o updated/extended some store directives for seaice
1669    o pkg/ecco now containes ecco-specific part of cost function
1670    o top level routines the_main_loop, forward_step
1671      supersede those in model/src/
1672      previous input data.cost now in data.ecco
1673      (new namelist ecco_cost_nml)
1674    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1675    
1676    checkpoint51t_post
1677    o this is the pre-merge tag of the ecco-branch
1678    
1679    checkpoint51s_post
1680    o cleanup: removed various obsolete #define-s
1681    o pkg/grdchk
1682      - renamed 'ph-grd 3' to 'grad-res'
1683      - merged from ecco-branch
1684        (remaining bug fixes for obcs gradient checks)
1685      - additional high-precision output for testreport
1686        (grep for 'precision_grdchk_result')
1687    
1688    checkpoint51r_post
1689    o cleaned up or removed CPP_OPTIONS.h files
1690    o updated results for some of the tests to reflect the new
1691      optfiles (-ieee: -O0 instead of -O3)
1692    
1693    checkpoint51q_post
1694    o cd_code:
1695      - moved cd_scheme.F -> cd_code_scheme.F
1696      - separate read_checkpoint from cd_code_ini_vars.F
1697      - separated cd_code part from write_checkpoint
1698      - updated AD_SOURCE, generated .flow
1699      - added CD_CODE_VARS.h to the_main_loop
1700      - Moving cd_code specific store dir.s to pkg/cd_code
1701    o ctrl package totally restructured
1702      - pack/unpack now optional and decoupled from
1703        xx_/adxx_ I/O
1704      - ctrl_pack/unpack cleaned
1705        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1706      - confined inclusion of AD_CONFIG.h to where necessary.
1707    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1708    
1709    checkpoint51p_post
1710    o create initial cd_code package
1711      - WARNING: the initialization of fields within packages
1712        is broken because INI_FIELDS (where READ_CHECKPOINT is
1713        called) is called *before* PACKAGES_INIT_VARIABLES.
1714        This seems to be backwards since
1715        1) its important to initially zero the entire field including
1716           the "halo" region
1717        2) zeroing needs to be done *before* reading pickup info
1718           and the pickup call might or might not happen in any
1719           particular run
1720      - this needs an overhaul for R2
1721    o cleanup verification/*/code/GMREDI_OPTIONS.h
1722    o cleanup testreport
1723    
1724    checkpoint51o_post
1725    o bringing AD-related verif's up to date with genmake2
1726      - carbon/
1727      - global_ocean.90x40x15/
1728      - hs.94.1x64x5/
1729      - (front_relax/ )
1730    o (more) consistent directory structure for AD-related verif.'s
1731    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1732    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1733    o bug fix in find_alpha.F for MDJWF:
1734      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1735        change rho -> rho-rhoConst
1736      - replace call find_rho to find_rhonum
1737    o initialisation of rFlx extended to full array (required by TAF)
1738      and shifted to thermodynamics
1739    o removed PTRACERS.h in ptracers routine
1740    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1741    o Correcting initialisations for fVerU, fVerV.
1742    o helping TAF to recognize dependency on kUp for
1743      fVerU, fVerV
1744    o Replacing delZ by delR in pkg/ctrl/
1745    checkpoint51o_pre
1746    
1747    o undid all of cp51 pending some cleanups and discussion
1748    o added the [#include "AD_CONFIG.h"] statement to all files that need
1749       it for adjoint/tl #defines
1750     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1751     o removed tools/genmake since it no longer works
1752    
1753    checkpoint51n_post
1754    o modifications to make FREEZE flux visible to pkg/kpp
1755      - moved surfaceTendencyTice from pkg/seaice to main code
1756      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1757      - subroutine FREEZE now limits only surface temperature
1758        (this means new output.txt for global_ocean.90x40x15,
1759         global_ocean.cs32x15, and global_with_exf)
1760    o added surface flux output variables to TIMEAVE_STATVARS
1761    
1762    checkpoint51n_pre
1763    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1764    o added [#include "AD_CONFIG.h"] to all files that use the following
1765      defines:
1766      - ALLOW_ADJOINT_RUN
1767      - ALLOW_TANGENTLINEAR_RUN
1768      - ALLOW_ECCO_OPTIMIZATION
1769    
1770    checkpoint51m_post
1771    o incorporating changes to get TAMC/TAF working in genmake2
1772      - added new TAMC/TAF targets to the Makefile
1773      - various cleanups related to package handling
1774      - these changes should have no impact on the forward model
1775    
1776    checkpoint51l_post
1777    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1778     - faster algorithm for cal_addtime.F
1779     - higher precision arithmetic, where needed
1780     - pkg/exf *startdate variables changed from calendar date to
1781       model integration time
1782    
1783    checkpoint51l_pre
1784    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1785    o enable to apply restoring on S & T only in a latitude band.
1786    o update output (external_forcing_surf modif. change truncation errors)
1787       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1788    
1789    checkpoint51k_post
1790    o change default to: useNHMTerms=.FALSE.
1791     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1792       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1793     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1794        exp1, ideal_2D_oce
1795     - change data file of oceanic exp (leave the results unchanged for now)
1796       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1797    o set gravitySign automatically according to the vertical coordinate used
1798      (and change sign: back to "logical" value: +1 when R increases downward)
1799    o added an include barrier to the default CPP_OPTIONS.h and
1800      removed the #include "PACKAGES_CONFIG.h" from it
1801    o fix a bug in mom_fluxform (from chk51j_post)
1802    
1803    checkpoint51j_post
1804    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1805    o adjusted some flow directives (dynamics, thermodynamics)
1806    o added cubed-sphere case to test cost function
1807    o heckpoint_lev?_directives.h now include
1808      pkg-specific directives, whenever those are enabled.
1809    o Moving pkg-specific flow directives to corresponding pkg
1810      Moving pkg-specific differentiation list to corresponding pkg
1811      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1812      ---> conventions are
1813           - pkg_ad.flow
1814           - pkg_ad_diff.list
1815           - pkg_ad_check_lev?_dir.h
1816    
1817    checkpoint51i_post
1818    o merge of the branch-genmake2
1819      - knowingly breaks the older genmake
1820      - automatic generation of all ALLOW_${PKG_NAME} defines
1821      - new testreport supersedes older testscript
1822    o large number of package inclusion and header cleanups
1823    checkpoint51i_pre
1824    
1825    o new output for adjoin of global ocean vector invariant
1826    o fix for checkpoint of thermodynamic seaice and bulk_force
1827    o Steph gchem various cleanups
1828    
1829    checkpoint 51h_pre
1830    o fixed some single quotes
1831    o modify gchem pkg to be more versatile
1832    o modifications to clean up dic pkg
1833    o add pkg/cfc
1834    
1835    checkpoint51g_post
1836    o provide links for ARPACK and ADM*TLM
1837    o start removing verification/vero/
1838    o update AD-related stuff
1839      (in particular some IF-statements in model/src/ routines)
1840    o adding to verification/global_ocean.90x40x15/ adjoint of
1841      vector invariant setup
1842    
1843    checkpoint51f_post
1844    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1845    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1846      of tracer Green's fucntions for ocean inversion project.
1847    
1848    checkpoint51f_pre
1849    o Added on-the-fly spatial interpolation capability
1850        "USE_EXF_INTERPOLATION" to pkg/exf.
1851      - This is a temporary Cartesian-grid hack until
1852        the super-duper ESMF coupler becomes available.
1853      - See verification/global_with_exf/README for usage example.
1854      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1855        flags and modified pkg/seaice accordingly.
1856    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1857        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1858        non-local transport term.
1859    
1860    checkpoint51e_post
1861    o pkg/mom_vecinv:
1862      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1863      - add time-ave diagnostic of vorticity advection.
1864    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1865    o atmospheric geopotential: - include water vapor effect;
1866                                - use p^kappa in p* scaling.
1867    o land pkg: read initial state from files.
1868    o AIM : add stratospheric drag in the upper level
1869    
1870    checkpoint51d_post
1871    o change function ILNBLNK (=> last non-blank char.) to return zero
1872      (instead of the string length) when the string. char is empty
1873    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1874    o modif's to restore TAMC compatibility
1875      - avoid "_d" constructs in PARAMETER declarations
1876      - avoid interrupting lines by comment lines
1877    o Use cluster local disks for purely local I/O
1878      vs. globally visible disks needed for ctrl stuff
1879      (merged from ecco-branch)
1880      - new active_file_loc... and mdsio_..._loc routines
1881      - affected packages: autodiff, ctrl, grdchk, mdsio
1882    
1883    checkpoint51c_post
1884    o introducing integer flag debugLevel
1885      - debLevZero: suppress all output
1886      - debLevA: standard
1887      - debLevB: equivalent to current debugMode=.TRUE.
1888    o introducing pathname variable mdsioLocalDir for mdsio
1889      that can be specified at runtime
1890      (relevant for cluster I/O to local disk)
1891    `
1892    >>>checkpoint51b_post
1893    adjoint of ptracers
1894    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1895    o extended state in checkpoint_lev?, etc.
1896    o alternative ctrl/cost with tr1 or ptracer
1897    o new comlev1_bibj_ptracers
1898    o new ptracers.flow
1899    o made ptracers_forcing same as external_forcing_s
1900    o added verification for adjoint with ptracers
1901      - adm. grdchk fail so far
1902      - tlm. grdchk OK
1903      - checked tapelev/comlev recomputations: OK
1904    <<<checkpoint51b_pre
1905    
1906    checkpoint51a_post
1907    o added code for biogeochemistry package
1908      - new pkgs: dic, gchem
1909      - new subroutine in ptracers
1910    o modify code for biogeo packages
1911      - in model/src and pkg/ptracers
1912    
1913    checkpoint51
1914    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1915      - autodiff, ctrl, exf, grdchk, seaice
1916      kept separate packages
1917      - cost, ecco, obcs
1918    o updating verification/internal_wave, verification/lab_sea
1919      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1920    
1921    checkpoint50i_post
1922    o Preparing next differentiable checkpoint and sync
1923      of MAIN vs. ecco-branch
1924      - 1st step: this one is differentiable
1925      - 2nd step: next(! not this) checkpoint will have updated packages
1926                  from ecco-branch)
1927    
1928    checkpoint50h_post
1929  o new package "land": provide surface BC for AIM.  o new package "land": provide surface BC for AIM.
1930  o pkg/ptracers: apply exchange to all tracers after reading a pickup.  o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1931  o AIM: use true log-P extrapolation for near surface temp (= as in  o AIM: use true log-P extrapolation for near surface temp (= as in
1932      F.Molteni paper) ; update aim.5l_cs output.      F.Molteni paper) ; update aim.5l_cs output.
1933  o New variable in PARM03 for more flexible pickups  o New variable in PARM03 for more flexible pickups
1934    o somewhat cleaned package initialisation sequence for
1935      ctrl/ cost/ ecco/ in packages_... routines
1936    
1937  checkpoint50g_post  checkpoint50g_post
1938  o merged with release1_p17 (pkg/seaice and verification/lab_sea)  o merged with release1_p17 (pkg/seaice and verification/lab_sea)

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