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revision 1.193 by edhill, Thu Oct 23 04:41:40 2003 UTC revision 1.661 by heimbach, Thu May 25 18:37:35 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  untagged  o pkg/exf:
8      - add new fields wspeed, snowprecip (to be able to couple to thsice)
9      - correct Stefan-Boltzmann constant
10      - new parameter for longwave surface emittance
11      - separate some stuff from exf_bulkformulae into new routines  
12        exf_radiation, exf_wind
13    o pkg/thSIce:
14    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
15    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
16       and THSICE_CALC_THICKN
17    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
18    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
19      to make debugging easier.
20    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
21    o pkg/bulk_force:
22      - clean-up comments and parameters ;
23      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
24    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
25      generate new output for test-experiment: aim.5l_cs.thSI
26    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
27      testreport accordingly
28    
29    checkpoint58e_post
30    o SEAICE_CGRID adjoint done
31    o R_STAR adjoint implemented.
32      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
33      * need to sort out init. of h0facc, etc.
34    o Make pkg/profile fully independent of ecco,cost, etc. stuff
35      to be able to use it in pure forward.
36    
37    checkpoint58d_post
38    o upgrade simple test-experiment to tutorial example:
39     step.1: duplicate the experiment and (step.2) will remove the old copy.
40      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
41      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
42      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
43      tutorial_global_oce_biogeo    <- copy of dic_example
44      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
45      tutorial_plume_on_slope       <- copy of plume_on_slope
46      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
47      tutorial_global_oce_optim     <- empty for now (David ?)
48      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
49     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
50    o correct a sign problem in cost_scat.F
51    o obcs and ptracers: fix boundary conditions for advections schemes
52      with larger stencil
53    o thsice adjoint: start
54    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
55      completeness
56    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
57      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
58    o ptracers adjoint:
59      * avoid extensive recomputatations
60      * fix missing re-init. of gptr (missed by TAF)
61    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
62      me to turn off the excessive output to STDOUT that this package produces
63    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
64      and add those terms in Vector-Invariant formulation.
65    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
66      if the control period (xx_hfluxperiod etc) is 0
67    o in profiles pkg, clean routines and fix details
68    o in ecco pkg, reading ssh data:
69      fix problem in case the model does not start at iter0=0
70    o fix mnc-pickup/restart for ptracers
71    o new package prifiles:
72      code to compute profile-based cost by Gael Forget
73      (modifs in ecco, ctrl, autodiff)
74    o Benign bug fix in initialization (spotted by M. Mazloff) of
75      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
76    
77    checkpoint58c_post
78    o adjoint: finish NLFS adjoint and provide reference output in
79      verification/global_ocean.90x40x15/results_ad_nlfs
80    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
81      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
82      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
83      with SEAICE_CGRID defined.
84    o move calendarDumps from "data" to "data.cal" and clean-up the code
85      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
86    o add useEXF & useCAL flags (for now, set in hard-coded way)
87    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
88      (were missing in NH mode, and wrong in quasihydrostatic mode).
89      waiting for Chris updated version of calc_gw to add those CALLs.
90    o fix bug in quasihydrostatic S/R ;
91      add a test for this option: global_ocean.90x40x15.qshyd
92    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
93      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
94    o add on/off flag useOffLine for package OFFLINE
95    o seaice:
96      - modify advection so that it works also on the C-grid
97      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
98        problem in multi-tile runs with C-grid
99      - add flags for clipping ice velocities and/or masking solver forcing
100      - fix drag (ocean on ice) formulation and a bug that caused noise in the
101        C-grid solver
102      - added a few comments to seaice_diffusion.F
103      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
104        are now exclusive)
105      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
106        required re-ordering the code a little:
107       + make DAIRN global variable (defined in SEAICE)
108       + move computation of the viscosities eta and zeta into a new separate
109         routine (because I need to recompute them in seaice_ocean_stress.F)
110    
111    checkpoint58b_post
112    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
113      update output.txt of exp. aim.5l_cs.thSI
114    o various mnc cleanups and improvements:
115      + shrink lookup tables by factor of ~4
116      + better error reporting when running out of lookup space
117      + able to handle longer path/file names (up to 500 chars)
118    o adjoint:
119      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
120      - TBD: "hidden" mom_vecinv recomp. in dynamics
121    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
122     (allow to differentiate between forcing components using new integer flags:
123      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
124     and add new flag to put Dissipation tendency out of Adams-Bashforth.
125    o ecco
126      - enable trend removal from SSH anomaly obs.
127    o adjoint
128      - a fix for PmEpR when #undef EXACT_CONSERV
129      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
130      - try to fix "hidden" recomp. in forward_step for NLFS
131        (NLFS seems broken sometimes after I checked it in)
132    o seaice:
133     - add c-grid version of the dynamic solver:
134       + three new routines that are the c-grid substitute lsr, dynsolver
135         and ostres
136       + put a few fields that were local to dynsolver into global common
137         blocks, so that I can move the computation of stresses etc into
138         seaice_lsr (saves coding but may break the adjoint).
139     - replace more hardwired parameters by runtime parameters
140     - add ice masks that mask the rhs of the implicit solvers where there
141       is no ice (commented out in seaice_dynsolver, because i am not sure
142       if this works properly), eventually this should replace the clipping
143       of ice velocities in seaice_dynsolver to +/-40cm/s.
144    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
145      include it only where its needed
146    o move balancing of fluxes before the call of external_forcing_surf
147    o seaice:
148      - correct units of turning angles (now they are really in degrees)
149      - move computation of GWATX/Y out of main routine into dynsolver
150      - initialize GWATX/Y in seaice_init
151    o Apply mask on Fresh-Water flux (needed for SSH forcing).
152      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
153    o seaice: add runtime flags for turning angles (default to zero)
154    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
155      and trend from exf forcing and ctrl control adjustments
156    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
157      (since checkpoint57x_post)
158    o change the default rotation period to 86164.s = the Earth rotation
159    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
160      and based on a reference stratification. Tested within hs94.cs-32x32x5.
161    o seaice advection: add code for choosing between the default (2nd order
162      central differences) and multiDim advection schemes provided by
163      pkg/generic_advdiff
164    o seaice:
165      - removed all references to SEAICE_GRID.h fields from
166        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
167        (cubed-sphere configuration will change a little)
168      - grid computations in seaice_init are obsolete now.
169      - cleaned up code a little so that is easier to read (hopefully).
170      - added new (better?) discretizations of default advection and diffusion
171        (turn on with SEAICEuseFluxForm)
172      - replace 1 in 3d global fields by kSurface in growth.F
173      
174    checkpoint58a_post
175    o seaice:
176      - bug fix in advect.F
177    o shelfice:
178      - separate shelfice load anomaly from pload (breaks with time
179        dependent forcing), => introduce constant field shelficeLoadAnomaly.
180        Its default is 0., but it may be computed more cleverly from (unknown)
181        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
182        done offline. A good approximation of the pressure load anomaly is
183        necessary to avoid large initial adjustment processes underneath
184        deep-reaching shelfice.
185      - small fix in ISOMIP shelfice_thermodynamics
186      - add more sophisticated thermodynamics of Hellmer (1989), this is
187        now the default
188      - give a few constants more intuitive names
189    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
190      if bulk formulae are used in long integration (especially EmPmR). Turn
191      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
192      if balancePrintMean, the imbalance that is substracted is printed to
193      STDOUT.
194    o fix bug (typo) in obcs_apply_eta.F
195    o add a new package shelfice which enables us to model the circulation
196      underneath shelf-ice with draughts of hundreds of meters.
197     - works
198     - to do: + include improved thermodynamics
199              + check whether kSurfC (from model/inc/SURFACE.h) can be used
200                instead of new field kTopC
201              + can we use topoFile, Ro_surf and existing code in ini_depth.F
202                instead of new field R_shelfIce and new code in ini_depth.F
203                and ini_mask_etc.F?
204              + adjust vertical mixing schemes?
205    o seaice pkg:
206     - add a cpp-flag to include a simple formula for a salinity dependent
207       freezing point of sea water at the surface
208     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
209       meridional stresses are now different (and hopefully correct)
210    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
211       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
212       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
213    o pkg/diagnostics: add options and parameters for regional-statistics
214       diagnostics ; define regions by reading a region-mask from a file
215       (might add other options later)
216    o pkg/bulk_force:
217     - add option and parameters to use AIM surface-flux formulae.
218     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
219       others forcing fields (defined in PARM05, parameter file "data") are loaded
220       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
221     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
222     - use the right EXCH call for uwind,vwind (to work on CS-grid).
223     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
224       and parameters (note: calcWindStress replaces .NOT.readwindstress).
225     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
226    
227    checkpoint58
228    o add "--embed-source" option to genmake2 which, when the supporting
229      tools can be compiled (as determined by genmake2) will turn on the
230      embed_files package which then embeds the entire MITgcm source code
231      (*.[fFhc] + Makefile) used for the build within the executable
232      - requested by CNH but off by default
233      - adds a paltry <9MB to the mitgcmuv executable in most cases
234      - only writes the output when useEMBEDSRC in eedata is true
235    o clean up 3-dim. relaxation codes:
236      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
237      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
238      * Thanks to Tom Haine for testing!
239    
240    checkpoint57z_post
241    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
242      affects output (@ truncation level) of exp. plume_on_slope ; updated.
243    o fix the pickup behavior for obcs in combination with ptracers
244    o fix a bug in ptracers_external_fields_load
245    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
246      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
247    o transfered surface NH pressure to eta field (if exactConserv).
248    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
249         and update lab_sea output.txt file.
250    o completing 3-dim. relaxation code: additional term
251         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
252      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
253      * At compile time, in "EXF_OPTIONS.h" set
254          #define  ALLOW_CLIMTEMP_RELAXATION
255          #define  ALLOW_CLIMSALT_RELAXATION
256      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
257          tauThetaClimRelax3Dim = 15552000.0,
258          tauSaltClimRelax3Dim  = 15552000.0,
259      * 3 cases:
260          1) Use a constant-in-time 3-dim. field
261          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
262          3) Real-time relax. to time-evolving prescribed field
263    o Adding Laplacian-type smoothness constraint on
264      initial and boundary (forcing) controls (ic, bc)
265      * enable at compile-time via
266        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
267      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
268      * Absolute scale somewhat unclear so far
269      * no area weighting was included since no other cost term does so far
270    
271    checkpoint57y_post
272    First step for a NLFS adjoint
273    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
274    o new init. routines for calc_r_star, calc_surf_dr
275    o still need to deal with ini_masks_etc
276    o testreport seemed happy
277    checkpoint57y_pre
278    
279    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
280    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
281    o add new offset feature to offline pkg (plus minor cleanup)
282    o cfc fixes for final year of integration
283    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
284      be in GCHEM_OPTIONS).
285    
286    checkpoint57x_post
287    o fix testreport Pb in multiple test experiment.
288    o cleanup our namelist syntax in verification:
289      - make it more F95 standards compliant (some work still needed)
290      - allows the vast majority of our tests to work with gfortran
291    o Non-Hydrostatic:
292     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
293     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
294    o Allow to apply AB on T,S rather than on AB(gT,gS):
295     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
296     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
297       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
298     - need a "clever" read_pickup to restart from the other AB formulation
299    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
300    o remove some unused variables (reduces number of compiler warnings)
301    o adjoint
302      * Disable useVariableViscosity for adjoint for time being
303        (there are a number of extensive recomputations)
304      * Initialize certain variables needed for adjoint
305    
306    checkpoint57w_post
307    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
308                 fix the singleCpuIO RS version of MDSWRITEFIELD
309       and add a WARNING if using globalFiles=T with multi-processors.
310    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
311      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
312    o tracer advection scheme:
313      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
314       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
315       was not very convenient).
316      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
317       (further tests needed for the implicit DST & Flux-Limiter schemes).
318    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
319      and sRef for convenience, handy, when you want to initialize
320      ptracers in a large domain with a constant non-zero value. Also,
321      untangle ptracers_init.F a little.
322    
323    checkpoint57v_post
324    o change dome exp. to use variable viscosity in side-drag terms.
325    o remove all the files from the cfc_offline test since they are now
326      incorporated into tutorial_cfc_offline which has been producing
327      identical results for a few days of testing
328    o add new parameter: sideDragFactor to enable half-slip-side BC
329      and change side-drag S/R to use viscosity from mom_calc_visc
330      (can switch back by setting sideDragFactor=0.); affects results at
331      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
332       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
333    o vorticity & strain are now computed without masking, to account for
334      no-slip-side BC in variable viscosity calculation ; mask is applied
335      anyway later on, before computing advection/coriolis terms.
336    o modify exp4 to test new obcs support for reading from external files
337      and for passive tracers
338    o fix behavior of ptracers_monitor when monitor output is written to a
339      netcdf-file; still not independent of monitor.F (writes in the same
340      file).
341    o change default value of tRef (put a uniform, meaningful value for ocean
342      & atmos) and initialize sRef (was missing, as Martin mentioned).
343    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
344      to be proportional to enstrophy dissipation length.  Thus,
345       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
346      This is now consistent with Smagorinsky and with the manual.
347    
348    checkpoint57u_post
349    o OBCS and PTRACERS: add open boundary support for passive tracers
350      - either use homogenous (pseudo) v.Neumann conditions or prescribe
351        OB-values from file; this is not different from the way theta and salinity
352        are treated
353      - however, Orlanski-radiation conditions are not supported, and the model
354        will stop if you use pTracers and Orlanski at the same time.
355      - beefed up the rountine obcs_external_fields_load: now only those open
356        boundary values are overwritten with values from files for which there
357        are really files, otherwise the OB-fields remain untouched. This makes
358        it possible to use different OBs at different ends of the domain (as
359        with EXF)
360    o reduce number of exch calls in shap_filt (s2).
361    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
362      truncation level) 4/5 MLAdjust test results (11&12 digits match).
363    
364    checkpoint57t_post
365    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
366    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
367      same truncation, independent of the face number: affects affects several
368      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
369    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
370      note that biharmonic viscosity + no-slip was not tested in any experiment.
371    o fix bug in non-linear free-surf side-drag ; generate new output for
372      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
373    o make mnc honor the writeBinaryPrec flag for most kinds of output
374    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
375    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
376      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
377    o add brackets in multi-terms sum to get same truncation, independent of
378      the face number (manage to get exactly same value of gU,gV at the cs-edge)
379      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
380    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
381      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
382      a maximum grid-scale Reynolds number.  Also, changes all length calculations
383      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
384      Suggested values of viscosity parameters found in mom_calc_visc.
385      Many new viscosity diagnostics available.
386    
387    checkpoint57s_post
388    o Add clearing-house for viscosity calculations, mom_calc_visc and
389      correct numerous bugs in LeithD and Smagorinsky discretizations.  
390      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
391      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
392      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
393      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
394      The Strain-Tension form is now called with useStrainTensonVisc=.true.
395      ViscAhStrain and viscAhTension are now retired.
396    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
397    o In response to JMC's bug report, genmake2 now ignores any soft-links
398      that it finds in the *current* directory when searching for files.
399      Soft-links found in any other source directories will still work as
400      they did before.
401    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
402      a C routine to unlimit the stack size
403    o mnc-ify pkg/aim snapshot vars
404    o mnc-ify pkg/land as requested by Daniel
405    o various changes to mnc including:
406      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
407      - output can now be grouped so that all files within a group
408          change the ITER portion of their names in lock-step together
409      - can now read ("global") PER-FACE (in addition to PER-TILE) files
410          and works with both EXCH1 and EXCH2 (but needs more testing)
411      - writing works for all verification test cases w/ g77 on Linux
412    
413    checkpoint57r_post
414    o make MNC variable initialization happen earlier
415    o add diagnostics for (almost) each term of the momentum Eq.
416    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
417    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
418    o remove MINIMAL_TAVE_OUTPUT option ;
419      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
420    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
421      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
422    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
423    o add time-dependent SST, SSS control
424    o cost terms in ecco/ modularized (new cost_generic.F)
425    o cost_averages routines are modularized (new cost_averagesgeneric.F)
426    o new infrastructure for seaice model vs. obs misfits in seaice/
427      * driver from the_main_loop.F is seaice_cost_driver.F
428      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
429      * gradient check in Exp. 6a of natl_box_adjoint/
430    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
431      (see README file)
432    
433    checkpoint57q_post
434    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
435    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
436      - bug was reported by Jean-Michel and Ian Fenty
437    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
438      update exp. cpl_aim+ocn output.
439    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
440      Needed for high-res. runs with large global files
441      to be able to limit tapelev size
442    o Changed some tests for adjoint:
443      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
444      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
445      * global_ocean.90x40x15/ back to default 3-level checkpointing
446    o Modifications to enable scripted COMMON to MODULE conversion
447      * verification/OpenAD/code/ has necessary scripts and description;
448      * converts, compiles and runs successfully;
449    
450    checkpoint57p_post
451    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
452    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
453      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
454    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
455    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
456      (was already the case for dissipation with mom_vecinv,
457       and also the case for grad.PhiHyd when staggered-timeStep)
458      This will allow to put dissipation out-off the AB time-stepping.
459     Unfortunately, affects truncation error. Update output of exp. that "fails"
460      (cg2d matching number) and leave the others for later: front_relax(10),
461      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
462      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
463    
464    checkpoint57o_post
465    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
466      (2) its ready to be documented during the 20050801 DocFest
467    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
468      for ideal_2D_oce and lab_sea on linux_ia32_g77
469    o set to #undef CTRL_SET_OLD_MAXCVARS_30
470      in global1x1_tot/code_seaice_adj to access indices 32, 33
471      (worth another tag)
472    
473    checkpoint57n_post
474    o adding precip control xx_precip 32
475    o adding swflux control xx_swflux 33
476    o Replacing 10 forcing penalty cost routines by 1 generic.
477    o Implementing partitioning in time-mean and variable adjustment
478      for atmos. state.
479    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
480    o in natl_box_adjoint:
481      * updated exp 1 to 10
482        (but does not have time-mean vs. variable split results yet)
483    o updated global1x1/*_seaice_adj/
484      to incorporate latest changes
485    o enable useSingleCpuIO for mdsio vector routines
486      (applies in particular to tapelev I/O)
487    o removed inefficient K-loop in all active_file*control*.F
488    
489    checkpoint57m_post
490    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
491      and advect_cs (use EXCH-2 and standard cs-32 grid files).
492    o pkg/exch2: filling of face-corner halo regions is optional
493      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
494    
495    checkpoint57l_post
496     tag before updating tutorials (pre-release-2)
497    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
498       for output and interpolation of input fields onto model grid)
499    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
500       Affects results of exp. rotating_tank ; update output.txt.
501    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
502          and taking the square quantity and/or using a fraction-weight field.
503    o fix aim_diagnostics_init.F mate numbers.
504    o add mnc output capability to diagnostics/diagstat and update
505      our cvsignore files for the ACSII output generated
506    
507    checkpoint57k_post
508    o lab_sea now uses diagnostics package and provides a suite of
509      new EXF diagnostics output.
510    
511    checkpoint57j_post
512    o exf
513      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
514        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
515        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
516      * extended diagnostics output
517        - now includes all EXF variables
518        - hs, hl moved to common block
519        - separate S/R for diagnostics, called after ctrl vector is added
520        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
521        - EXFqnet contains true Qnet (i.e. includes qsw)
522      * updated verif. lab_sea, global_with_exf
523      * Rearranging hflux (exf_mapfields -> exf_getforcing)
524        to ensure that diagnostics sees a true EXFqnet
525    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
526    o diagnostics pkg: change pointers so that 1 diagnostic can be used
527      several times with different frequencies.
528    o mnc-ify the thsice package as requested by Daniel Enderton
529      - the monitor--MNC output needs work
530      - many attributes need to be added (most are currently blank)
531    o mnc-ify theaim_v23 package as requested by Daniel Enderton
532      - many attributes need to be added (most are currently blank)
533    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
534    o add Sadourny like discretization to the 4th.O vorticity advection scheme
535    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
536      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
537         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
538    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
539     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
540    
541    checkpoint57i_post
542    o Diagnostics package was changed: diagnostic allocation is now deactivated
543      by setting an empty file name in the namelist (used to be by setting 0 frequency)
544    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
545      add 1rst Order upwind vertical Shear.
546    o add a quick fix for A/B checkpointing in OFFLINE mode
547    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
548      end-run around the C/Fortran linking horror in eesup/src/timers.F
549    o added pkg/runclock: allows user to terminate run based on wall clock
550    o added non-hydrostatic scaling parameter: nh_am2
551    o pkg/my82: futile attempt to make results compiler-independent by adding
552      some "_d 0", etc. no effect.
553    o for mnc output, fill the 'T' coordinate var with myTime and create a
554      separate 'iter' variable for iteration count
555    o pkg/diagnostics:
556      add new capability: output of Global/Regional & per-level statistics ;
557      tested against monitor output (including land & thSIce) on various exp.
558    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
559    
560    checkpoint57h_done
561      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
562      data.diagnostics, data.gchem, data.ptracers) is done.
563    
564    o pkg/diagnostics: prepare for Global/Regional statistics.
565      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
566    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
567      and rename it: DIFFERENT_MULTIPLE
568    
569    checkpoint57h_post
570    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
571    o pkg/diagnostics: change output frequency, now in seconds (instead
572      of Nb of iterations). This requires to change data.diagnostics.
573    checkpoint57h_pre
574    
575    o in mnc, let the user create the output dir if both mnc_outdir_date
576      and mnc_outdir_num are false
577    o add fflags() to pkg/diagnostics which allows one to specify, on a
578      per-file basis, the file precision [default behavior is unchanged]
579    o added diagnostics to pkg/kpp, including computation of mixed layer
580      depth based on a temperature/density criterion
581    o updated verification/natl_box to test the new pkg/kpp diagnostics
582    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
583    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
584    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
585      not mnc -- this mistake was found by JMC and is now corrected
586    
587    checkpoint57g_post
588    o add Adams-Bashforth 3rd Order time stepping:
589      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
590      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
591    checkpoint57g_pre
592    
593    o make lambda[Theta,Salt]ClimRelax spatially varying
594      (default remains spatially uniform constant based on tau)
595    o added new control variables
596      * init. uVel, vVel, etanN
597      * lambda[Theta,Salt]ClimRelax
598    o separate masks used for ctrl_pack/unpack 'from write_grid' output
599      (suggested by G. Forget)
600    
601    checkpoint57f_post
602    o add parameter "baseTime" = model base time = time at iteration zero
603      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
604      account for baseTime shift
605    o move Coriolis arrays from PARAMS.h to GRID.h
606    checkpoint57f_pre
607    
608    o mnc-ifying the seaice package
609    o introduced an alternative length scale calculation for use in the limiting
610      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
611    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
612    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
613      as well as grad(vort3).  Made it compatible with both approximate form
614      for the cubed sphere and full form of these gradients.  Added flag
615      useFullLeith to select between approximate and full form.  
616    o add "d0" in getcon.F to reduce differences between compilers/platforms
617      update output.txt of exp. fizhi-gridalt-hs
618    o change port_rand funtion to allow to set the seed.
619    o fix obscure MNC bug involving conversion between reals and integers
620      - it caused no problems with certain (eg. gcc, ifc) compilers but the
621        new version is now more standards-compliant
622    o adjoint-related modifications
623      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
624      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
625      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
626    
627    checkpoint57e_post
628    o Adding eddy stress controls a la Ferreira et al.
629    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
630    
631    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
632      update output.txt of exp. fizhi-gridalt-hs
633    o add more "Z" dimensions and associated coordinate vars to MNC
634    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
635    o parameter calendarDumps: when set, approximate months (30-31 days) and years
636      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
637      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
638      months and years.  Requires pkg/cal.
639    o diagnostics: add pickup functionality
640      - off by default for backwards compatibility
641      - current version only uses MDSIO -- MNC will be added
642    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
643    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
644    
645    checkpoint57d_post
646    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
647    o modify verification/ideal_2D_oce so that it tests the creation of mnc
648      output from the diagnostics package
649    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
650    o make genmake2 more portable by using ".$FS" instead of ".f" for more
651      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
652    o add coordinate variables to the MNC output from the diagnostics package
653    o change MNC-flags default value: true when useMNC=TRUE
654    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
655      the ability (off by default) to read the grid information using MNC
656    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
657    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
658    o do snap-shot diagnostics at the middle of the time-interval (instead of
659      at the end).
660    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
661      new test for AIM with thSIce + slab-ocean
662    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
663    o move state variable diagnostics to the beginning of the time step ;
664      (note: still needs some work specially for snap-shot diagnostics)
665      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
666    
667    checkpoint57c_post
668    o Change testing option (-ieee) to get closer agreement between g77 & ifort
669    o generate new output.txt files on faulks with g77 & the new -ieee option
670    checkpoint57c_pre
671    
672    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
673      update output.txt of exp. global_ocean.90x40x15
674    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
675      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
676    o add saltFlux(+File) forcing capability with periodicExternalForcing
677    o allow to use pkg diagnostics for GM-Redi & ThSIce output
678    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
679    o improvements for the MNC output from DIAGNOSTICS:
680      - correct handling of the unlimitied dimension
681      - all dims now have associated coordinate variables
682      - variables located at U, V, and Corner ("Z") points are now written
683        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
684        *all* data points are output
685    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
686    o added pkg/seaice/seaice_monitor.F
687    o mdsio_readfield.F can now read files visible only to master MPI process.
688    o pkg/seaice: some test code for ice-modified ocean stress
689    o exf_getffields interpolation defaults to bilinear for all scalar forcing
690      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
691      spurious negative numbers for precipitation and humidity.  Will cause
692      some small numerical differences for integrations using pkg/exf/exf_interp.F.
693    o pkg/ctrl/
694      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
695        May be enabled via doPackDiag
696      *  introduce z-scaling of
697         + gradient (doZscalePack) and
698         + control (doZscaleUnpack)
699    o pkg/mdsio/
700      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
701      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
702    
703    checkpoint57b_post
704    o simplify options in diagnostics_fill arguments (remove weird combinations)
705    o fix MNC coordinate variables so that they now contain per-face index
706      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
707      general, EXCH2 grids are only aligned to a "local" coordinate system
708    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
709    o Implement instantaneous output within pkg diagnostics:
710      setting a negative frequency in data.diagnostics produces
711     "snap-shot" output (as opposed to time-average if freq > 0)
712    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
713      NOTE: change ptracer diagnostics name: use 2 characters to work with
714            more than 9 tracers. Add also diagnostics of advect & diffus flux.
715    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
716      becomes the coordinate variable for the 'T' dimension
717    o add CF-style coordinate variables to MNC
718      - just a first cut:  numbers are meaningless on the cubesphere and
719        missing along the T axis but otherwise it works!
720    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
721    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
722    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
723      this is based directly on what the model compute, so that the content of
724      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
725    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
726    o clean up build options files for SunOS, in particular
727      - remove -traditional from xmakedepend
728      - change -xarch=v9 to -xarch=native for f77
729      - restore use of make (not gmake)
730      - add CC=gcc if using g77
731    o changes per discussion of AM, JMC, & EH3 today:
732      - move redundant "grid" variables out of "state" -- in preparation of
733        creating proper CF-style coordinate variables and in recognition
734        that any/all grid variables can be easily copied (eg. w/NCO) from
735        the grid files into any of the other NetCDF files
736      - *always* output grid variables with MDSIO (this will eventually be
737        changed)
738      - output MNC grid file if useMNC is true
739    o every instance of _END_MASTER() has been found and replaced with
740      _END_MASTER( myThid ) in order to satisfy certain picky Sun
741      preprocessors
742    o re-arrange diagnostics pkg initialisation:
743     - allow each package to extend the available diagnostics list
744     - add some checking and fix small problems (multi-threaded, ...)
745     - new S/R diagnostics_fill (replace fill_diagnostics):
746       look through the short list of active diag. (instead of the long list)
747       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
748    
749    checkpoint57a_post
750    o this set of changes restores TAMC compatibility
751      tested for global_ocean.90x40x15 adjoint on trough
752      (what a pain)
753    
754    checkpoint57a_pre
755    o some modifs in tools/build_options for sunos
756    o call ctrl_pack for ctrl at end for optimcycle=0
757    
758    checkpoint57
759    o add horizontal bi-harmonic viscosity for vertical velocity
760      - new parameter viscA4W (defaults to viscA4)
761      - affects only non-hydrostatic code
762      - to be done: no-slip lateral boundary conditions
763    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
764    o implement Implicit Vertical advection for pTracers
765    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
766      (implemented also for implicit vertical diffusion & advection)
767    o OBCS: extend application of tracer open boundary conditions
768      to a strip beyond the boundary of width Olx/Oly
769    o add call monitor to TAF set of required calls (flow directives)
770      and include in natl_box_adjoint
771    o untangle a few ifdefs related to cost, ctrl, autodiff
772      untangel a few ALLOW_ECCO_OPTIMIZATION
773    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
774      (theta2, salt2 in ecco_cost_weights)
775    
776    checkpoint56c_post
777    o OBCS as control variables
778      - update ctrl_ad_diff.list, obcs_ad_diff.list
779      - remove balance of obcs controls from default
780      - fix index bug nobcs in ctrl_init
781      - fix dummy fields filen in ctrl_pack
782      - add dummy weights for obcs
783    o lsopt: comment out fort.94 output
784    o optim:
785      - remove unnecessary header files
786      - adjusted namelists
787      - add xerbla.F to Makefile
788    o exf:
789      - multiple modifications of exf_check_range
790      - unit change in exf_init_runoff from [m/year] to [m/s]
791    o mdsio:
792      - i/o-vector change debugLevel from debLevA to debLevB
793    
794    checkpoint56b_post
795    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
796      is called from DO_THE_MODEL_IO
797      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
798      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
799      - clean up PTRACERS_WRITE_TIMEAVE a little
800    o add another verification experiment that tests both the cfc-pkg and
801      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
802      reactive tendencies treated inline with regular timestepping
803    o testreport previously did a lousy job of comparing small numbers, so
804      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
805      implemented in the little c-progam tmp_cmpnum.c which is embedded in
806      testreport.
807    o ptracers_monitor: bug fix for MPI
808    
809    checkpoint56a_post
810    o GCHEM: finish reorganizating the package
811      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
812        (introduces another 3D-array for each passive tracer, but only if
813        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
814        gchemTendency is not needed because the timestep is done separately)
815      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
816      - GCHEM is now---more or less cleanly---separate from PTRACERS
817      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
818        so clear to me how that should be done in a general way.
819    o CFC: improve formatting of output in CFC_ATMOS
820    o PTRACERS:
821      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
822        that ALL experiments with ptracers enable can be checked. This makes
823        GCHEM_MONITOR obsolete.
824      - include a runtime parameter PTRACERS_monitorFreq that defaults to
825        monitorFreq
826      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
827    o add PTRACERS (PTR0[1-5]) to testreport output
828    o exf_check_range:
829      * default changed to .TRUE.
830      * will check values for niter0 if debLevA, every timestep if debLevB
831      * STOP in exf_check_range if 'out of range'
832      * range chosen generous to allow for potential extema
833      TBD: a version with stricter range
834           permitted range would be runtime parameters
835    o GMredi:
836      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
837      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
838      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
839    o GCHEM:
840      - move call to GCHEM_FORCING_SEP, so that it is now called before
841        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
842      - introduced a useGCHEM runtime flag and applied it everywhere.
843      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
844        this flag is now only visible within GCHEM-pkg routines.
845      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
846        be replaced by a 3D array that is computed before thermodynamics; for
847        this, the tracer ID iTracer had to be included into the parameter list
848        of ptracers_forcing
849      - set up forward_step to call gchem_forcing, that will replace
850        gchem_forcing_int in ptracers_forcing
851      - cleaning up
852    o small cleaning of exch2: remove files that are also in eesupp/src
853    
854    checkpoint56
855    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
856    o mnc: cleanup "full" files--fixes out-of-memory problem
857    o ECCO-GODAE
858      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
859      * fully merged and updated from SIO code
860        windstress sign change affects
861        - exf_inscal_[u/v]stress
862        - sign of xx_tau[u/v] adjustments
863        - signs in cost_scat
864      * ctrl_get_gen: avoid update of tau[u/v] for first few days
865      * natl_box_adjoint updated and compressed
866      * 2-level checkpoint switch added
867        (tested in EXP. 1 of natl_box_adjoint)
868      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
869    o SVD
870      * first complete, non-hacked version for SVD calculations
871      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
872        performed via direct access files admtlm_vector.it????
873        (via ctrl_[un]pack)
874      * optimcycle is used for ARPACK iteration counter
875        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
876      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
877        and add linear transforms where necessary
878      * controls are initial/final SST, SSS (can be extended; need to check
879        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
880    o mdsio: filename info to both stderr, stdout
881    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
882      from sign change
883    
884    checkpoint55j_post
885    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
886      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
887    o add consistent build directories and .cvsignore files to verification
888    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
889    o make all subroutines 30 or less characters in length for certain older
890      compilers to work (a thorough search only turns up two routines in
891      pkg/ptracers)
892    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
893      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
894    
895    checkpoint55i_post
896    o change arrays for total vertical diffusivity (2.D if explicit,
897      3.D if implicit) ; each ptracer uses its own background value.
898    o added mnc/NetCDF output capability to ocn_compon_interf
899      - added bits to verification/cpl_aim+ocn so that it can run on
900        ITRDA and other clusters without the mpirun "-wd" option
901    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
902      configuration
903    o give MNC the ability to create additional files rather than
904      exceeding a specified file size limit "MNC_MAX_FILESIZE"
905      - the default is just less than 2GB which is a practical limit
906        on many systems
907    o Compute the non-local term using either KPP vertical diffusivity (=default)
908       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
909    
910    checkpoint55h_post
911    o add verification test "vermix"
912    o remove all the *_ioinc flags and replace with the single global
913      outputTypesInclusive flag
914    o allow to set a vertical profile of vertical diffusivity for T & S
915    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
916    o useMNC moved from data.mnc to data.pkg
917    
918    checkpoint55g_post
919    o Renaming carbon AD experiments to comply with testreport conventions
920    o Updating adjoint of Held-Suarez hs94.1x64x5
921    o Fixing directives for non-ECCO forward_step, after ECCO directives
922      have been fixed to avoid recomp. of do_oceanic_phys
923      Works well for global_ocean.90x40x15,
924      but recomp. issue remains for carbon
925    o Updating adjoint output for natl_box_adjoint after
926      pkg/ecco has been modified (see taga c55d_post)
927    
928    checkpoint55f_post
929    o rename to timeave_init_fixed
930    
931    checkpoint55e_post
932    o some delicate re-shuffle of store directives to avoid one
933      extra call of do_oceanic_physics
934      affects ecco_the_main_loop.F, do_oceanic_physics.F
935      checkpoint_lev1_directives.h
936    o NB: this may break global_ocean adjoint temporarily,
937      but it is clear how to fix it. Will do later, need this now.
938    
939    checkpoint55d_post
940    o ECCO specific cost function terms (up-to-date with 1x1 runs)
941    o ecco_cost_weights is modified to 1x1 runs
942    o modifs to allow observations to be read in as
943      single file or yearly files
944    o enable to read exf forcing fields as either
945      single file or yearly files (flag useExfYearlyFields)
946    checkpoint55d_pre
947    
948    o switch between 2-level and 3-level checkpointing
949    o add ability of MNC to write local and "partial" (eg. 2D slices where
950      the full 3D field is never actually stored) arrays to NetCDF files
951      with the correct (that is, the complete multi-dimensional) set of
952      array indicies
953      - used in mom_vecinv() to write the diagFreq output
954      - tested (demonstrated) in verification/aim.5l_cs
955    o further mnc-ification
956      - add verification/lab_sea to the list with mnc setups
957      - fix undefined mnc v-names in cd_code
958      - add kpp to mnc output (both snapshot and timeave)
959    o non-hydrostatic code
960      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
961        in calc_gw.F
962      - defaults to viscAh
963      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
964        friction or Leith) in non-hydrostatic mode, as long as there is
965        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
966    o pkg/cost
967      extend simple cost functions to treat time mean quantities
968      (T,U,V) via cost_accumulate_state from cost_tile
969    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
970        be 2 times larger than the minimum size the advection scheme requires.
971        now get a perfect conservation of salt in advect_cs test-exp (updated)
972    o GGL90 (Gaspar's TKE mixed layer)
973      - add horizontal diffusion of TKE, requires exchanges in
974        do_fields_blocking_exchanges, horizontal diffusivity is zero by
975        default. In OPA there is no horizontal diffusion of TKE but the
976        mixing coefficients are computed from a horizontal average of TKE of
977        6 points or so. I think that diffusion has a little more physical
978        justification.
979      - clean up ggl90_calc in the hope of reducing memory usage (this hope
980        was in vain)
981      - mask tke-variable in ggl90_init
982    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
983    o fix biharmonic diffusion on CS-grid.
984    o more obcs stuff
985      - added obcs_external_fields_load as an alternative to the EXF-pkg option
986        for reading boundary values. This routine is called from
987        obcs_prescribe_read
988      - updated obcs_check
989      - changed sponge layer relaxation parameter units for days to seconds
990      - turned off sponge layer by default
991      - changed argument list of OBCS_CALC to myTime+deltaTclock
992      - fixed about 35 bugs in obcs_external_fields_load
993    
994    checkpoint55c_post
995    o obcs stuff
996      - new runtime flags useOBCSprescribe, useOBCSbalance
997      - re-arranged obcs_calc
998      - moved exf_getobcs to obcs_prescibe_read
999        obcs_prescibe_read is called after ORLANSKI stuff
1000        and independent of it (executable can contain all).
1001      - updated obcs_check
1002      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1003        These may be necessary only if tangential velocities are
1004        prescribed at OB, not sure, needs testing.
1005    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1006      which simplifies the calls and passes the ifc check-bounds test
1007    
1008    checkpoint55b_post
1009    o add a 2D scalar, Z location, exchange_2 routine.
1010    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1011      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1012      affects advect_cs results (for the wrong reason): update output.txt
1013    o use a more standard discretization for biharmonic viscosity ;
1014     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1015      affects results of dome set-up: update output.txt
1016    o fix gad_advection.F (CubedSphere part), back to version 1.23
1017    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1018    
1019    checkpoint55a_post
1020    o merged code to
1021      * prescribe/read time-dependent open boundaries
1022        (works in conjunction with exf, cal)
1023      * sponge layer code for open boundaries
1024      * each boundary N/S/E/W now has its own CPP option
1025        (healthy for the adjoint)
1026    
1027    checkpoint55
1028    o up-to-date adjoint of previous breaks
1029      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1030      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1031      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1032      - carbon: * remove tr1-related adjoint verification
1033                * add ptracer as control variable
1034    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1035      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1036    
1037    checkpoint54f_post
1038    o in verification/carbin/ remove experiment related to
1039      ALLOW_PASSIVE_TRACER (array tr1 etc)
1040      code_ad/ input_ad/ results_ad
1041    
1042    o add two new packages
1043      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1044        + subject to optimization (memory)
1045      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1046        + subject to reordering (many GOTOs in the original code)
1047        + so far opps is called for every (i,j) point, and then operates in
1048          the vertical; one may want to reorder the scheme in order operate in
1049          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1050          fields)
1051    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1052      - all verification tests compile and run with linux_ia32_g77
1053      - defaults are compatible with current input files--nothing
1054        should change if you were not previously using MNC
1055      - MNC output has been added in numerous places (eg. timeave)
1056        but there are still a few writes not yet do-able with MNC
1057        (this is in progress)
1058      - flags now allow for either/or/both use of MDSIO and MNC and
1059        documentation will soon follow
1060      - numerous small formatting cleanups for ProTeX
1061    o add version info (via BUILD_INFO.h) to MNC and stdout
1062    
1063    checkpoint54e_post
1064    o add two new packages
1065      - pp81 (Packanowski and Philander, 1981), Richardson number and
1066        stratification dependent mixing
1067      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1068      - these scheme operate in a similar manner as KPP (without ghat, of
1069        course), however there is only one diffusivity that is used for both
1070        temperature and salinity (and passive tracers)ç
1071    o add offline package
1072    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1073      provided by Stephanie Dutkiewicz
1074    o genmake2: add ability to search for C compilers and cleanup test output
1075      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1076    
1077    checkpoint54d_post
1078    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1079    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1080      leading to additional shift by 5 days each year of integration
1081       (i.e. leading to considerable offset over the years)
1082    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1083    o start with no AB and no initial filtering (staggerTimeStep):
1084      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1085    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1086      (external loading & cpl import/export stay in forward_step.F)
1087    o update coupling interface to work with new staggerTimeStep
1088    o change MDSIO ptracers_pickup.
1089    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1090    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1091    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1092    
1093    checkpoint54c_post
1094    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1095      this affects (truncation error) output.txt of test-exp:
1096       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1097    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1098    o change Qnet to always be the net heat flux, (+upward).
1099      affects (truncation error) output of natl_box exp.: updated
1100    o define the max number of passive tracers in PTRACERS_SIZE.h
1101    o start to test mnc routinely in exp0
1102    o add sea-ice loading (sIceLoad) as a new forcing field.
1103    
1104    checkpoint54b_post
1105    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1106       impressive on Altix and Opteron systems)
1107    o diagnostics can now write NetCDF files through the mnc package
1108    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1109    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1110    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1111      affects (truncation error) output of lab_sea & natl_box exp.: updated
1112    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1113    
1114    checkpoint54a_post
1115    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1116    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1117    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1118    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1119      + internal_wave (shift in writing cg2d_ini_res)
1120    checkpoint54a_pre
1121    
1122    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1123      - modified verification/lab_sea and natl_box_adjoint accordingly
1124    
1125    checkpoint54
1126    checkpoint53g_post
1127    o prepare splitting of thermodynamics: store convect.counter in common block
1128    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1129      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1130    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1131    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1132    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1133    o restore adjointability
1134    
1135    checkpoint53f_post
1136    o modifications that affect AIM experiment results (update output.txt):
1137      - no advection of S at top interface Nr (pkg/generic_advdiff)
1138      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1139    o AIM pkg:
1140      - include stability function into surf.Flux derivative relative to Tsurf
1141      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1142    
1143    checkpoint53e_post
1144    o merged cylindrical coord configuration
1145    o added rotating_tank experiment
1146    checkpoint53e_pre
1147    
1148    checkpoint53d_post
1149    o faulks upgraded: re-generate output.txt that have changed:
1150       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1151    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1152    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1153    o added Sadourny discretization of Coriolis
1154      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1155      - re-enabled use of omega3 (useAbsVorticity)
1156    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1157      vector-invariant equations
1158      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1159    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1160      hopefully without new bugs
1161      - still to do: biharmonic friction for non-hydrostatic w
1162    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1163    o regenerated output for global_ocean_ebm (using -ieee)
1164    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1165      of mom_common/
1166      - simple re-arrangement of instructions within computing loop
1167    checkpoint53d_pre
1168    
1169    checkpoint53c_post
1170    o new version of coupler for AIM+thSIce and Ocean models
1171     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1172     - land: change Evaporation of snow
1173     - aim with thSIce: fix bug in snow-precip.
1174    o changes to calc_gw.F
1175     - bug fix for w^2 term near the bottom boundary
1176     - (hopefully) improve the lateral slip boundary condtions for use with
1177        partial/looped cells
1178      - because the bug fix changes two verification experiments anyway (exp5
1179        and plume on slope), change the lateral boundary condition from half slip
1180        to the value of no_slip_sides
1181    o ebm package wasnt quite up to the parallel task. Fixed that.
1182    o Adjoint of EBM package + verification
1183      * TLM OK
1184      * ADM not sufficient accuracy yet (needs further testing)
1185    
1186    checkpoint53b_post
1187    o Commiting new energy balance model to repository
1188      * package is pkg/ebm
1189      * verif. is verification/global_ocean_ebm
1190      * references are in ebm_driver.F
1191    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1192    C        Global thermohaline circulation. Part I:
1193    C        Sensitivity to atmospheric moisture transport.
1194    C        J. Climate 12(1), 71-82
1195    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1196    C        Global thermohaline circulation. Part II:
1197    C        Sensitivity with interactive transport.
1198    C        J. Climate 12(1), 83-91
1199    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1200    C        Destabilization of the thermohaline circulation
1201    C        by atmospheric eddy transports.
1202    C        J. Climate 7(12), 1870-1882
1203    o Will need long integration testing.
1204    checkpoint53b_pre
1205    
1206    o created pkg/mom_common in preparation for variable viscosity code
1207    o renamed and split ini_mnc_io
1208    o pkg/land: only liquid water can diffuse or run-off
1209    o AIM using land: soil wetness availability account for snow
1210    o added printMapIncludesZeros to EEPARMS namelist
1211    
1212    checkpoint53a_post
1213    o restore TAMC compatiility for exf_constants.h
1214      (no usage of _d in .h)
1215    o Additional storing in KPP in an attempt to fix
1216      TAMC problem with adjoint of KPP code.
1217      (no success...)
1218      Identical code works fine with TAF.
1219    o Fixed verification/natl_box_adjoint experiments.
1220      Initial conditions for Experiments 4 and 5 are now
1221      set to "SEAICE_initialHEFF=0", which is more reasonable,
1222      and hence gives results closer to that of Experiment 2.
1223      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1224    
1225    checkpoint53
1226    o stable checkpoint with up to date adjoint
1227      TLM tests only run for 1st grdchk at the moment. Its unclear if
1228      this is a code problem or a problem with resetting code for g_
1229      variables that is being autogenerated wrong.
1230      Otherwise:
1231       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1232       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1233         are both still in chaos following their security messes.
1234    
1235    checkpoint52n_post
1236    o various build (mostly genmake2) changes including:
1237      - ability to build/run more easily within Cygwin and MacOS X
1238      - more complicated Makefiles with a stronger dependence on Gnu Make
1239    o pkg/seaice modifications
1240      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1241        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1242        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1243      - changed proxy for geostrophic velocity and updated
1244        verification/lab_sea/results/* accordingly
1245      - removed ADI dynamic solver from pkg/seaice
1246      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1247        they caused a segmentation fault under certain circumstances
1248      - removed unused field WATR
1249    o bug fix in exf-package:
1250      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1251         now reflect that.
1252    o small fixes in the cal-package:
1253      - set reference date to first of January for the 'model'-calendar
1254      - failing of cal_CheckDate in cal_FullDate now actually results in a
1255        warning
1256    o small modifications in exf-package to increase flexibility:
1257      - change climtempfreeze from a constant to a runtime parameter that
1258        is specified in data.exf_clim (default = -1.9)
1259      - introduce runtime parameter windstressmax (default = 2.0) that is
1260        specified in data.exf
1261    o fix in pkg/thsice:
1262      - update Evap (Tsf changes) to be consistent with Latent heat flux
1263      - maintain snow precipitation unchanged (even if Tsf >=0).
1264     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1265    
1266    checkpoint52m_post
1267    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1268      this does not change any of the results, because myIter=0 in swfrac always
1269      lead to jwtype=2 (the default anyway), but the call makes little sense
1270      as a default
1271    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1272    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1273      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1274    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1275    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1276    o extending useSingleCpuIO option to work with new exch2 I/O format
1277      - old-style, missing-tile I/O is still accessible by defining CPP
1278        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1279    o monitor package can write to NetCDF files and/or STDOUT
1280    o fix re-definition bug in MNC_GRID_INIT_ALL()
1281    o doc/api_reference added
1282      - a framework for building an API Reference Manual using all
1283        the "protex" comments embedded in the code
1284      - see pkg/generic_advdiff, pkg/mnc for examples
1285    o MNC:
1286      - make myThid the last argument for all subroutines
1287      - new default for the grid files: NO halos
1288      - add useMNC and other run-time flags
1289      - separate per-file-group handling of the unlimited dimension
1290      - early initialization of MNC w/ flags read at the eeboot stage
1291        and lookup tables set in initialize_fixed
1292      - write all MNC output to a freshly-created directory
1293    o thermodynamics sea-ice (thsice) is now tested with testreport.
1294    o test exp. advect_cs: use the standard cs32 grid ; update output.
1295    o Added functionality to grdchk:
1296      pick global i,j,k position (or nearest wet) where to perform check.
1297    
1298    checkpoint52l_post
1299    o new land formulation:
1300      a) use ground enthalpy as prognostic variable to ensure exact
1301         energy conservation.
1302      b) account for water temperature and for latent heat of freezing
1303         in all processes (rain, run-off, ground storage)
1304      c) compute surface and ground temperature implicitly.
1305    o aim_v23 modification for new land model:
1306      a) Treat separately land / ocean / sea-ice surface fluxes
1307         to allow implicit computation of land & sea-ice surface temp.
1308      b) add snow precipitation.
1309    checkpoint52l_pre
1310    
1311    o fix problem (when 1 tile is empty) in min/max monitor.
1312    o fix bug in timeAve (u,vZetatave in common block)
1313    o no restoring terms under ice for pkg/seaice
1314    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1315    o bug fix for pkg/seaice pickups
1316    o change MNC call locations and add coordinate attributes
1317    o mask vorticity at the corner ; affects global_ocean.cs output
1318    o fix ini_curvilinear_grid ; test CS experiments with mpi
1319    o aim.5l_cs: modify sea-ice fraction input file ; update output
1320    o exf: Adding simple range check routine for exf fields after read
1321    
1322    checkpoint52k_post
1323    o removed top-level directory "diags"
1324      - we migrated these functions to pkg/timeave a long time ago
1325    o fixed bug introduced in pkg/monitor
1326    o accuracy ctrlprec = 32 insuffient for gradient checks using
1327      averaged fields (I/O via cost_averages)
1328      -> use ctrl.h in active_file*.F to control I/O precision.
1329    o paramter list of CALL ADTHE_MAIN_LOOP
1330    o added initial do_the_model_io to ecco
1331    o set all ...Freq to zero after cost_final
1332      taveFreq, dumpFreq, pChkptFreq
1333    o MAIN and ECCO differentiability restored
1334    
1335    checkpoint52j_post
1336    o fix nchklev in tamc.h for global_ocean...
1337    o Bringing flow and store directives up-to-date
1338    o Really weird thing!
1339      call do_the_model_io from the_main_loop with parameters
1340      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1341      TAF places a faulty re-call of initialise_varia
1342      after cost_final call which should not be there!
1343    checkpoint52j_pre
1344    
1345    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1346      error messages
1347    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1348    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1349      debug output
1350    o modfied mdsio_writefield.F to handle non-global files under exch2
1351    o update AIM Cubed-Sphere exp (aim.5l_cs):
1352      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1353    o update AIM Equatorial Channel exp:
1354      use standard aim_v23 pkg and change the SST fields to be more realistic.
1355    o globalFile now works with exch2
1356    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1357      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1358    o limit timeave output for hi-res integrations
1359    
1360    checkpoint52i_post
1361    o removed CPP_EEOPTIONS.h from verification/*/code
1362    o updated the tiling for global_ocean_pressure
1363    checkpoint52i_pre
1364    
1365    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1366      the old pkg/aim).
1367    
1368    checkpoint52h_pre
1369    o shortened offending lines in exch2_send_rx?.template
1370    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1371    o genmake2: add build & execute test for NetCDF code
1372    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1373      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1374    o added useSingleCPUIO flag to monitor.F and mon_out.F
1375    o added temporary hack for sea-ice dynamics on the cube:
1376      metric terms are ignored and it is assumed that
1377      there is no sea-ice on cube faces 1, 2, 4, and 5.
1378    
1379    checkpoint52f_post
1380    o added exch2 cube routines to pkg/exch2
1381    o modified hs94.cs-32x32x5 to use it
1382    o added new grid files to hs94.cs-32x32x5
1383    checkpoint52f_pre
1384    
1385    checkpoint52e_post
1386    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1387      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1388    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1389      to work with implicit vertical advection and AB ;
1390    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1391    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1392     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1393    checkpoint52e_pre
1394    
1395    o fix bug in impldiff when Nr=1 or Nr=2.
1396    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1397    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1398    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1399      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1400    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1401    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1402    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1403    
1404    checkpoint52d_post
1405    o re-tiled many expts to allow comparison in multi-processor mode
1406      - updated output accordingly
1407      - changed hs94.128x64x5 to use intial T from file rather than use the
1408        random number generator
1409    o add infrastructure in model routines for fizhi and gridalt packages
1410    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1411    o changes to permit hi-res, cubed-sphere, configuration
1412      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1413      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1414      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1415        of surface winds for the cube
1416      (A verification experiment, based on global_ocean.cs32x15, but with
1417       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1418       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1419       complete with example surface forcing files and matlab scripts to look
1420       at the output and compare it with that of global_ocean.cs32x15.)
1421    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1422       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1423       to conform to the common rule.
1424    o check-in the first version of the coupler + interfaces for multi-components
1425       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1426       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1427       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1428       - ocean and atmos. share the same horizontal grid (no interpolation).
1429       - exchanges between component and coupler is done in forward_step
1430    o new verification experiment, cpl_aim+ocn:
1431       coupled ocean - AIM atmosphere on cs32 grid.
1432    
1433    checkpoint52d_pre
1434    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1435    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1436    
1437    checkpoint52c_post
1438    o Fixing OPTIONS files for use of exf:
1439      - ALLOW_ECCO not needed
1440      - ECCO_CPPOPTIONS.h should not be included from
1441        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1442        as has been the case in the past
1443      - All cal/exf related options are currently set in
1444        single header file. Should remain so until we
1445        agree on a consistent new policy.
1446    o Removed all CPP options for cal package.
1447      cal has no more CPP options.
1448    o modified STOREs in GAD_ADVECTION
1449    o corrected key comp. for passkey
1450    
1451    checkpoint52b_post
1452    o new version: "thsice" of thermodynamic sea-ice pkg:
1453     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1454     - modify fluxes but do not change theta directly;
1455     - light cleaning of bulk_force pkg (still needed with thsice).
1456     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1457       + output_thsice.txt to test thsice & bulk_force pkgs.
1458    o put back grid & coriolis monitor output.
1459    checkpoint52b_pre
1460    
1461    o call "do_the_model_io" at the beginning (=> dump initial state)
1462    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1463    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1464      (need info on NUMBER_OF_PTRACERS)
1465    o missing PTRACERS headers in some routines
1466    o default tamc.h in pkg/autodiff supposed to crash
1467      to ensure proper customization
1468    
1469    checkpoint52a_post
1470    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1471      - moved surfaceTendencyTice from pkg/seaice to main code
1472      - subroutine FREEZE_SURFACE now limits only surface temperature
1473        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1474        => new output.txt for global_ocean.cs32x15 & global_with_exf
1475      - keep the old version of FREEZE for backward compatibility;
1476        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1477      - corresponding modifs for TAF directives
1478    o added surface flux output variables to TIMEAVE_STATVARS
1479    o time-averaged output for pkg/ptracers
1480    o fix problem with ECCO-related divided adjoint
1481      snapshot file was missing some ad-variables,
1482      but no warning issued by TAF
1483    
1484    checkpoint52a_pre
1485    o some bug fixes for #undef REAL4_IS_SLOW
1486    
1487    checkpoint52 = ecco_c52_e35
1488    o after testing adjoints of checkpoint51u_post
1489    
1490    checkpoint51u_post
1491    o this is the post-merge tag of the ecco-branch
1492      (needs another clean checkout and re-testing)
1493    o various natl_box_adjoint configs and results
1494      but no input fields
1495    o obcs adjoint not yet merged!
1496    o adding ECCO global 1x1 and 2x2 degree configs
1497    o updated/extended some store directives for seaice
1498    o pkg/ecco now containes ecco-specific part of cost function
1499    o top level routines the_main_loop, forward_step
1500      supersede those in model/src/
1501      previous input data.cost now in data.ecco
1502      (new namelist ecco_cost_nml)
1503    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1504    
1505    checkpoint51t_post
1506    o this is the pre-merge tag of the ecco-branch
1507    
1508    checkpoint51s_post
1509    o cleanup: removed various obsolete #define-s
1510    o pkg/grdchk
1511      - renamed 'ph-grd 3' to 'grad-res'
1512      - merged from ecco-branch
1513        (remaining bug fixes for obcs gradient checks)
1514      - additional high-precision output for testreport
1515        (grep for 'precision_grdchk_result')
1516    
1517    checkpoint51r_post
1518    o cleaned up or removed CPP_OPTIONS.h files
1519    o updated results for some of the tests to reflect the new
1520      optfiles (-ieee: -O0 instead of -O3)
1521    
1522    checkpoint51q_post
1523    o cd_code:
1524      - moved cd_scheme.F -> cd_code_scheme.F
1525      - separate read_checkpoint from cd_code_ini_vars.F
1526      - separated cd_code part from write_checkpoint
1527      - updated AD_SOURCE, generated .flow
1528      - added CD_CODE_VARS.h to the_main_loop
1529      - Moving cd_code specific store dir.s to pkg/cd_code
1530    o ctrl package totally restructured
1531      - pack/unpack now optional and decoupled from
1532        xx_/adxx_ I/O
1533      - ctrl_pack/unpack cleaned
1534        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1535      - confined inclusion of AD_CONFIG.h to where necessary.
1536    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1537    
1538    checkpoint51p_post
1539    o create initial cd_code package
1540      - WARNING: the initialization of fields within packages
1541        is broken because INI_FIELDS (where READ_CHECKPOINT is
1542        called) is called *before* PACKAGES_INIT_VARIABLES.
1543        This seems to be backwards since
1544        1) its important to initially zero the entire field including
1545           the "halo" region
1546        2) zeroing needs to be done *before* reading pickup info
1547           and the pickup call might or might not happen in any
1548           particular run
1549      - this needs an overhaul for R2
1550    o cleanup verification/*/code/GMREDI_OPTIONS.h
1551    o cleanup testreport
1552    
1553    checkpoint51o_post
1554    o bringing AD-related verif's up to date with genmake2
1555      - carbon/
1556      - global_ocean.90x40x15/
1557      - hs.94.1x64x5/
1558      - (front_relax/ )
1559    o (more) consistent directory structure for AD-related verif.'s
1560    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1561    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1562    o bug fix in find_alpha.F for MDJWF:
1563      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1564        change rho -> rho-rhoConst
1565      - replace call find_rho to find_rhonum
1566    o initialisation of rFlx extended to full array (required by TAF)
1567      and shifted to thermodynamics
1568    o removed PTRACERS.h in ptracers routine
1569    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1570    o Correcting initialisations for fVerU, fVerV.
1571    o helping TAF to recognize dependency on kUp for
1572      fVerU, fVerV
1573    o Replacing delZ by delR in pkg/ctrl/
1574    checkpoint51o_pre
1575    
1576    o undid all of cp51 pending some cleanups and discussion
1577    o added the [#include "AD_CONFIG.h"] statement to all files that need
1578       it for adjoint/tl #defines
1579     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1580     o removed tools/genmake since it no longer works
1581    
1582    checkpoint51n_post
1583    o modifications to make FREEZE flux visible to pkg/kpp
1584      - moved surfaceTendencyTice from pkg/seaice to main code
1585      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1586      - subroutine FREEZE now limits only surface temperature
1587        (this means new output.txt for global_ocean.90x40x15,
1588         global_ocean.cs32x15, and global_with_exf)
1589    o added surface flux output variables to TIMEAVE_STATVARS
1590    
1591    checkpoint51n_pre
1592  o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F  o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1593  o added [#include "AD_CONFIG.h"] to all files that use the following  o added [#include "AD_CONFIG.h"] to all files that use the following
1594    defines:    defines:

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