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revision 1.145 by heimbach, Fri Mar 21 23:20:36 2003 UTC revision 1.658 by jmc, Mon May 22 00:25:20 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 results_ad : rename "output.txt_adm" to "output_adm.txt" and change
8     testreport accordingly
9    
10    checkpoint58e_post
11    o SEAICE_CGRID adjoint done
12    o R_STAR adjoint implemented.
13      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
14      * need to sort out init. of h0facc, etc.
15    o Make pkg/profile fully independent of ecco,cost, etc. stuff
16      to be able to use it in pure forward.
17    
18    checkpoint58d_post
19    o upgrade simple test-experiment to tutorial example:
20     step.1: duplicate the experiment and (step.2) will remove the old copy.
21      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
22      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
23      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
24      tutorial_global_oce_biogeo    <- copy of dic_example
25      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
26      tutorial_plume_on_slope       <- copy of plume_on_slope
27      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
28      tutorial_global_oce_optim     <- empty for now (David ?)
29      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
30     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
31    o correct a sign problem in cost_scat.F
32    o obcs and ptracers: fix boundary conditions for advections schemes
33      with larger stencil
34    o thsice adjoint: start
35    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
36      completeness
37    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
38      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
39    o ptracers adjoint:
40      * avoid extensive recomputatations
41      * fix missing re-init. of gptr (missed by TAF)
42    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
43      me to turn off the excessive output to STDOUT that this package produces
44    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
45      and add those terms in Vector-Invariant formulation.
46    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
47      if the control period (xx_hfluxperiod etc) is 0
48    o in profiles pkg, clean routines and fix details
49    o in ecco pkg, reading ssh data:
50      fix problem in case the model does not start at iter0=0
51    o fix mnc-pickup/restart for ptracers
52    o new package prifiles:
53      code to compute profile-based cost by Gael Forget
54      (modifs in ecco, ctrl, autodiff)
55    o Benign bug fix in initialization (spotted by M. Mazloff) of
56      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
57    
58    checkpoint58c_post
59    o adjoint: finish NLFS adjoint and provide reference output in
60      verification/global_ocean.90x40x15/results_ad_nlfs
61    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
62      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
63      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
64      with SEAICE_CGRID defined.
65    o move calendarDumps from "data" to "data.cal" and clean-up the code
66      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
67    o add useEXF & useCAL flags (for now, set in hard-coded way)
68    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
69      (were missing in NH mode, and wrong in quasihydrostatic mode).
70      waiting for Chris updated version of calc_gw to add those CALLs.
71    o fix bug in quasihydrostatic S/R ;
72      add a test for this option: global_ocean.90x40x15.qshyd
73    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
74      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
75    o add on/off flag useOffLine for package OFFLINE
76    o seaice:
77      - modify advection so that it works also on the C-grid
78      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
79        problem in multi-tile runs with C-grid
80      - add flags for clipping ice velocities and/or masking solver forcing
81      - fix drag (ocean on ice) formulation and a bug that caused noise in the
82        C-grid solver
83      - added a few comments to seaice_diffusion.F
84      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
85        are now exclusive)
86      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
87        required re-ordering the code a little:
88       + make DAIRN global variable (defined in SEAICE)
89       + move computation of the viscosities eta and zeta into a new separate
90         routine (because I need to recompute them in seaice_ocean_stress.F)
91    
92    checkpoint58b_post
93    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
94      update output.txt of exp. aim.5l_cs.thSI
95    o various mnc cleanups and improvements:
96      + shrink lookup tables by factor of ~4
97      + better error reporting when running out of lookup space
98      + able to handle longer path/file names (up to 500 chars)
99    o adjoint:
100      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
101      - TBD: "hidden" mom_vecinv recomp. in dynamics
102    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
103     (allow to differentiate between forcing components using new integer flags:
104      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
105     and add new flag to put Dissipation tendency out of Adams-Bashforth.
106    o ecco
107      - enable trend removal from SSH anomaly obs.
108    o adjoint
109      - a fix for PmEpR when #undef EXACT_CONSERV
110      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
111      - try to fix "hidden" recomp. in forward_step for NLFS
112        (NLFS seems broken sometimes after I checked it in)
113    o seaice:
114     - add c-grid version of the dynamic solver:
115       + three new routines that are the c-grid substitute lsr, dynsolver
116         and ostres
117       + put a few fields that were local to dynsolver into global common
118         blocks, so that I can move the computation of stresses etc into
119         seaice_lsr (saves coding but may break the adjoint).
120     - replace more hardwired parameters by runtime parameters
121     - add ice masks that mask the rhs of the implicit solvers where there
122       is no ice (commented out in seaice_dynsolver, because i am not sure
123       if this works properly), eventually this should replace the clipping
124       of ice velocities in seaice_dynsolver to +/-40cm/s.
125    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
126      include it only where its needed
127    o move balancing of fluxes before the call of external_forcing_surf
128    o seaice:
129      - correct units of turning angles (now they are really in degrees)
130      - move computation of GWATX/Y out of main routine into dynsolver
131      - initialize GWATX/Y in seaice_init
132    o Apply mask on Fresh-Water flux (needed for SSH forcing).
133      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
134    o seaice: add runtime flags for turning angles (default to zero)
135    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
136      and trend from exf forcing and ctrl control adjustments
137    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
138      (since checkpoint57x_post)
139    o change the default rotation period to 86164.s = the Earth rotation
140    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
141      and based on a reference stratification. Tested within hs94.cs-32x32x5.
142    o seaice advection: add code for choosing between the default (2nd order
143      central differences) and multiDim advection schemes provided by
144      pkg/generic_advdiff
145    o seaice:
146      - removed all references to SEAICE_GRID.h fields from
147        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
148        (cubed-sphere configuration will change a little)
149      - grid computations in seaice_init are obsolete now.
150      - cleaned up code a little so that is easier to read (hopefully).
151      - added new (better?) discretizations of default advection and diffusion
152        (turn on with SEAICEuseFluxForm)
153      - replace 1 in 3d global fields by kSurface in growth.F
154      
155    checkpoint58a_post
156    o seaice:
157      - bug fix in advect.F
158    o shelfice:
159      - separate shelfice load anomaly from pload (breaks with time
160        dependent forcing), => introduce constant field shelficeLoadAnomaly.
161        Its default is 0., but it may be computed more cleverly from (unknown)
162        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
163        done offline. A good approximation of the pressure load anomaly is
164        necessary to avoid large initial adjustment processes underneath
165        deep-reaching shelfice.
166      - small fix in ISOMIP shelfice_thermodynamics
167      - add more sophisticated thermodynamics of Hellmer (1989), this is
168        now the default
169      - give a few constants more intuitive names
170    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
171      if bulk formulae are used in long integration (especially EmPmR). Turn
172      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
173      if balancePrintMean, the imbalance that is substracted is printed to
174      STDOUT.
175    o fix bug (typo) in obcs_apply_eta.F
176    o add a new package shelfice which enables us to model the circulation
177      underneath shelf-ice with draughts of hundreds of meters.
178     - works
179     - to do: + include improved thermodynamics
180              + check whether kSurfC (from model/inc/SURFACE.h) can be used
181                instead of new field kTopC
182              + can we use topoFile, Ro_surf and existing code in ini_depth.F
183                instead of new field R_shelfIce and new code in ini_depth.F
184                and ini_mask_etc.F?
185              + adjust vertical mixing schemes?
186    o seaice pkg:
187     - add a cpp-flag to include a simple formula for a salinity dependent
188       freezing point of sea water at the surface
189     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
190       meridional stresses are now different (and hopefully correct)
191    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
192       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
193       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
194    o pkg/diagnostics: add options and parameters for regional-statistics
195       diagnostics ; define regions by reading a region-mask from a file
196       (might add other options later)
197    o pkg/bulk_force:
198     - add option and parameters to use AIM surface-flux formulae.
199     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
200       others forcing fields (defined in PARM05, parameter file "data") are loaded
201       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
202     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
203     - use the right EXCH call for uwind,vwind (to work on CS-grid).
204     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
205       and parameters (note: calcWindStress replaces .NOT.readwindstress).
206     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
207    
208    checkpoint58
209    o add "--embed-source" option to genmake2 which, when the supporting
210      tools can be compiled (as determined by genmake2) will turn on the
211      embed_files package which then embeds the entire MITgcm source code
212      (*.[fFhc] + Makefile) used for the build within the executable
213      - requested by CNH but off by default
214      - adds a paltry <9MB to the mitgcmuv executable in most cases
215      - only writes the output when useEMBEDSRC in eedata is true
216    o clean up 3-dim. relaxation codes:
217      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
218      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
219      * Thanks to Tom Haine for testing!
220    
221    checkpoint57z_post
222    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
223      affects output (@ truncation level) of exp. plume_on_slope ; updated.
224    o fix the pickup behavior for obcs in combination with ptracers
225    o fix a bug in ptracers_external_fields_load
226    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
227      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
228    o transfered surface NH pressure to eta field (if exactConserv).
229    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
230         and update lab_sea output.txt file.
231    o completing 3-dim. relaxation code: additional term
232         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
233      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
234      * At compile time, in "EXF_OPTIONS.h" set
235          #define  ALLOW_CLIMTEMP_RELAXATION
236          #define  ALLOW_CLIMSALT_RELAXATION
237      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
238          tauThetaClimRelax3Dim = 15552000.0,
239          tauSaltClimRelax3Dim  = 15552000.0,
240      * 3 cases:
241          1) Use a constant-in-time 3-dim. field
242          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
243          3) Real-time relax. to time-evolving prescribed field
244    o Adding Laplacian-type smoothness constraint on
245      initial and boundary (forcing) controls (ic, bc)
246      * enable at compile-time via
247        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
248      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
249      * Absolute scale somewhat unclear so far
250      * no area weighting was included since no other cost term does so far
251    
252    checkpoint57y_post
253    First step for a NLFS adjoint
254    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
255    o new init. routines for calc_r_star, calc_surf_dr
256    o still need to deal with ini_masks_etc
257    o testreport seemed happy
258    checkpoint57y_pre
259    
260    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
261    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
262    o add new offset feature to offline pkg (plus minor cleanup)
263    o cfc fixes for final year of integration
264    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
265      be in GCHEM_OPTIONS).
266    
267    checkpoint57x_post
268    o fix testreport Pb in multiple test experiment.
269    o cleanup our namelist syntax in verification:
270      - make it more F95 standards compliant (some work still needed)
271      - allows the vast majority of our tests to work with gfortran
272    o Non-Hydrostatic:
273     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
274     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
275    o Allow to apply AB on T,S rather than on AB(gT,gS):
276     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
277     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
278       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
279     - need a "clever" read_pickup to restart from the other AB formulation
280    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
281    o remove some unused variables (reduces number of compiler warnings)
282    o adjoint
283      * Disable useVariableViscosity for adjoint for time being
284        (there are a number of extensive recomputations)
285      * Initialize certain variables needed for adjoint
286    
287    checkpoint57w_post
288    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
289                 fix the singleCpuIO RS version of MDSWRITEFIELD
290       and add a WARNING if using globalFiles=T with multi-processors.
291    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
292      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
293    o tracer advection scheme:
294      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
295       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
296       was not very convenient).
297      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
298       (further tests needed for the implicit DST & Flux-Limiter schemes).
299    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
300      and sRef for convenience, handy, when you want to initialize
301      ptracers in a large domain with a constant non-zero value. Also,
302      untangle ptracers_init.F a little.
303    
304    checkpoint57v_post
305    o change dome exp. to use variable viscosity in side-drag terms.
306    o remove all the files from the cfc_offline test since they are now
307      incorporated into tutorial_cfc_offline which has been producing
308      identical results for a few days of testing
309    o add new parameter: sideDragFactor to enable half-slip-side BC
310      and change side-drag S/R to use viscosity from mom_calc_visc
311      (can switch back by setting sideDragFactor=0.); affects results at
312      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
313       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
314    o vorticity & strain are now computed without masking, to account for
315      no-slip-side BC in variable viscosity calculation ; mask is applied
316      anyway later on, before computing advection/coriolis terms.
317    o modify exp4 to test new obcs support for reading from external files
318      and for passive tracers
319    o fix behavior of ptracers_monitor when monitor output is written to a
320      netcdf-file; still not independent of monitor.F (writes in the same
321      file).
322    o change default value of tRef (put a uniform, meaningful value for ocean
323      & atmos) and initialize sRef (was missing, as Martin mentioned).
324    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
325      to be proportional to enstrophy dissipation length.  Thus,
326       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
327      This is now consistent with Smagorinsky and with the manual.
328    
329    checkpoint57u_post
330    o OBCS and PTRACERS: add open boundary support for passive tracers
331      - either use homogenous (pseudo) v.Neumann conditions or prescribe
332        OB-values from file; this is not different from the way theta and salinity
333        are treated
334      - however, Orlanski-radiation conditions are not supported, and the model
335        will stop if you use pTracers and Orlanski at the same time.
336      - beefed up the rountine obcs_external_fields_load: now only those open
337        boundary values are overwritten with values from files for which there
338        are really files, otherwise the OB-fields remain untouched. This makes
339        it possible to use different OBs at different ends of the domain (as
340        with EXF)
341    o reduce number of exch calls in shap_filt (s2).
342    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
343      truncation level) 4/5 MLAdjust test results (11&12 digits match).
344    
345    checkpoint57t_post
346    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
347    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
348      same truncation, independent of the face number: affects affects several
349      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
350    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
351      note that biharmonic viscosity + no-slip was not tested in any experiment.
352    o fix bug in non-linear free-surf side-drag ; generate new output for
353      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
354    o make mnc honor the writeBinaryPrec flag for most kinds of output
355    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
356    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
357      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
358    o add brackets in multi-terms sum to get same truncation, independent of
359      the face number (manage to get exactly same value of gU,gV at the cs-edge)
360      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
361    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
362      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
363      a maximum grid-scale Reynolds number.  Also, changes all length calculations
364      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
365      Suggested values of viscosity parameters found in mom_calc_visc.
366      Many new viscosity diagnostics available.
367    
368    checkpoint57s_post
369    o Add clearing-house for viscosity calculations, mom_calc_visc and
370      correct numerous bugs in LeithD and Smagorinsky discretizations.  
371      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
372      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
373      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
374      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
375      The Strain-Tension form is now called with useStrainTensonVisc=.true.
376      ViscAhStrain and viscAhTension are now retired.
377    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
378    o In response to JMC's bug report, genmake2 now ignores any soft-links
379      that it finds in the *current* directory when searching for files.
380      Soft-links found in any other source directories will still work as
381      they did before.
382    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
383      a C routine to unlimit the stack size
384    o mnc-ify pkg/aim snapshot vars
385    o mnc-ify pkg/land as requested by Daniel
386    o various changes to mnc including:
387      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
388      - output can now be grouped so that all files within a group
389          change the ITER portion of their names in lock-step together
390      - can now read ("global") PER-FACE (in addition to PER-TILE) files
391          and works with both EXCH1 and EXCH2 (but needs more testing)
392      - writing works for all verification test cases w/ g77 on Linux
393    
394    checkpoint57r_post
395    o make MNC variable initialization happen earlier
396    o add diagnostics for (almost) each term of the momentum Eq.
397    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
398    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
399    o remove MINIMAL_TAVE_OUTPUT option ;
400      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
401    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
402      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
403    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
404    o add time-dependent SST, SSS control
405    o cost terms in ecco/ modularized (new cost_generic.F)
406    o cost_averages routines are modularized (new cost_averagesgeneric.F)
407    o new infrastructure for seaice model vs. obs misfits in seaice/
408      * driver from the_main_loop.F is seaice_cost_driver.F
409      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
410      * gradient check in Exp. 6a of natl_box_adjoint/
411    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
412      (see README file)
413    
414    checkpoint57q_post
415    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
416    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
417      - bug was reported by Jean-Michel and Ian Fenty
418    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
419      update exp. cpl_aim+ocn output.
420    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
421      Needed for high-res. runs with large global files
422      to be able to limit tapelev size
423    o Changed some tests for adjoint:
424      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
425      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
426      * global_ocean.90x40x15/ back to default 3-level checkpointing
427    o Modifications to enable scripted COMMON to MODULE conversion
428      * verification/OpenAD/code/ has necessary scripts and description;
429      * converts, compiles and runs successfully;
430    
431    checkpoint57p_post
432    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
433    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
434      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
435    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
436    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
437      (was already the case for dissipation with mom_vecinv,
438       and also the case for grad.PhiHyd when staggered-timeStep)
439      This will allow to put dissipation out-off the AB time-stepping.
440     Unfortunately, affects truncation error. Update output of exp. that "fails"
441      (cg2d matching number) and leave the others for later: front_relax(10),
442      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
443      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
444    
445    checkpoint57o_post
446    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
447      (2) its ready to be documented during the 20050801 DocFest
448    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
449      for ideal_2D_oce and lab_sea on linux_ia32_g77
450    o set to #undef CTRL_SET_OLD_MAXCVARS_30
451      in global1x1_tot/code_seaice_adj to access indices 32, 33
452      (worth another tag)
453    
454    checkpoint57n_post
455    o adding precip control xx_precip 32
456    o adding swflux control xx_swflux 33
457    o Replacing 10 forcing penalty cost routines by 1 generic.
458    o Implementing partitioning in time-mean and variable adjustment
459      for atmos. state.
460    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
461    o in natl_box_adjoint:
462      * updated exp 1 to 10
463        (but does not have time-mean vs. variable split results yet)
464    o updated global1x1/*_seaice_adj/
465      to incorporate latest changes
466    o enable useSingleCpuIO for mdsio vector routines
467      (applies in particular to tapelev I/O)
468    o removed inefficient K-loop in all active_file*control*.F
469    
470    checkpoint57m_post
471    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
472      and advect_cs (use EXCH-2 and standard cs-32 grid files).
473    o pkg/exch2: filling of face-corner halo regions is optional
474      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
475    
476    checkpoint57l_post
477     tag before updating tutorials (pre-release-2)
478    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
479       for output and interpolation of input fields onto model grid)
480    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
481       Affects results of exp. rotating_tank ; update output.txt.
482    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
483          and taking the square quantity and/or using a fraction-weight field.
484    o fix aim_diagnostics_init.F mate numbers.
485    o add mnc output capability to diagnostics/diagstat and update
486      our cvsignore files for the ACSII output generated
487    
488    checkpoint57k_post
489    o lab_sea now uses diagnostics package and provides a suite of
490      new EXF diagnostics output.
491    
492    checkpoint57j_post
493    o exf
494      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
495        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
496        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
497      * extended diagnostics output
498        - now includes all EXF variables
499        - hs, hl moved to common block
500        - separate S/R for diagnostics, called after ctrl vector is added
501        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
502        - EXFqnet contains true Qnet (i.e. includes qsw)
503      * updated verif. lab_sea, global_with_exf
504      * Rearranging hflux (exf_mapfields -> exf_getforcing)
505        to ensure that diagnostics sees a true EXFqnet
506    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
507    o diagnostics pkg: change pointers so that 1 diagnostic can be used
508      several times with different frequencies.
509    o mnc-ify the thsice package as requested by Daniel Enderton
510      - the monitor--MNC output needs work
511      - many attributes need to be added (most are currently blank)
512    o mnc-ify theaim_v23 package as requested by Daniel Enderton
513      - many attributes need to be added (most are currently blank)
514    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
515    o add Sadourny like discretization to the 4th.O vorticity advection scheme
516    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
517      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
518         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
519    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
520     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
521    
522    checkpoint57i_post
523    o Diagnostics package was changed: diagnostic allocation is now deactivated
524      by setting an empty file name in the namelist (used to be by setting 0 frequency)
525    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
526      add 1rst Order upwind vertical Shear.
527    o add a quick fix for A/B checkpointing in OFFLINE mode
528    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
529      end-run around the C/Fortran linking horror in eesup/src/timers.F
530    o added pkg/runclock: allows user to terminate run based on wall clock
531    o added non-hydrostatic scaling parameter: nh_am2
532    o pkg/my82: futile attempt to make results compiler-independent by adding
533      some "_d 0", etc. no effect.
534    o for mnc output, fill the 'T' coordinate var with myTime and create a
535      separate 'iter' variable for iteration count
536    o pkg/diagnostics:
537      add new capability: output of Global/Regional & per-level statistics ;
538      tested against monitor output (including land & thSIce) on various exp.
539    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
540    
541    checkpoint57h_done
542      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
543      data.diagnostics, data.gchem, data.ptracers) is done.
544    
545    o pkg/diagnostics: prepare for Global/Regional statistics.
546      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
547    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
548      and rename it: DIFFERENT_MULTIPLE
549    
550    checkpoint57h_post
551    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
552    o pkg/diagnostics: change output frequency, now in seconds (instead
553      of Nb of iterations). This requires to change data.diagnostics.
554    checkpoint57h_pre
555    
556    o in mnc, let the user create the output dir if both mnc_outdir_date
557      and mnc_outdir_num are false
558    o add fflags() to pkg/diagnostics which allows one to specify, on a
559      per-file basis, the file precision [default behavior is unchanged]
560    o added diagnostics to pkg/kpp, including computation of mixed layer
561      depth based on a temperature/density criterion
562    o updated verification/natl_box to test the new pkg/kpp diagnostics
563    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
564    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
565    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
566      not mnc -- this mistake was found by JMC and is now corrected
567    
568    checkpoint57g_post
569    o add Adams-Bashforth 3rd Order time stepping:
570      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
571      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
572    checkpoint57g_pre
573    
574    o make lambda[Theta,Salt]ClimRelax spatially varying
575      (default remains spatially uniform constant based on tau)
576    o added new control variables
577      * init. uVel, vVel, etanN
578      * lambda[Theta,Salt]ClimRelax
579    o separate masks used for ctrl_pack/unpack 'from write_grid' output
580      (suggested by G. Forget)
581    
582    checkpoint57f_post
583    o add parameter "baseTime" = model base time = time at iteration zero
584      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
585      account for baseTime shift
586    o move Coriolis arrays from PARAMS.h to GRID.h
587    checkpoint57f_pre
588    
589    o mnc-ifying the seaice package
590    o introduced an alternative length scale calculation for use in the limiting
591      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
592    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
593    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
594      as well as grad(vort3).  Made it compatible with both approximate form
595      for the cubed sphere and full form of these gradients.  Added flag
596      useFullLeith to select between approximate and full form.  
597    o add "d0" in getcon.F to reduce differences between compilers/platforms
598      update output.txt of exp. fizhi-gridalt-hs
599    o change port_rand funtion to allow to set the seed.
600    o fix obscure MNC bug involving conversion between reals and integers
601      - it caused no problems with certain (eg. gcc, ifc) compilers but the
602        new version is now more standards-compliant
603    o adjoint-related modifications
604      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
605      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
606      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
607    
608    checkpoint57e_post
609    o Adding eddy stress controls a la Ferreira et al.
610    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
611    
612    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
613      update output.txt of exp. fizhi-gridalt-hs
614    o add more "Z" dimensions and associated coordinate vars to MNC
615    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
616    o parameter calendarDumps: when set, approximate months (30-31 days) and years
617      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
618      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
619      months and years.  Requires pkg/cal.
620    o diagnostics: add pickup functionality
621      - off by default for backwards compatibility
622      - current version only uses MDSIO -- MNC will be added
623    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
624    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
625    
626    checkpoint57d_post
627    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
628    o modify verification/ideal_2D_oce so that it tests the creation of mnc
629      output from the diagnostics package
630    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
631    o make genmake2 more portable by using ".$FS" instead of ".f" for more
632      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
633    o add coordinate variables to the MNC output from the diagnostics package
634    o change MNC-flags default value: true when useMNC=TRUE
635    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
636      the ability (off by default) to read the grid information using MNC
637    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
638    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
639    o do snap-shot diagnostics at the middle of the time-interval (instead of
640      at the end).
641    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
642      new test for AIM with thSIce + slab-ocean
643    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
644    o move state variable diagnostics to the beginning of the time step ;
645      (note: still needs some work specially for snap-shot diagnostics)
646      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
647    
648    checkpoint57c_post
649    o Change testing option (-ieee) to get closer agreement between g77 & ifort
650    o generate new output.txt files on faulks with g77 & the new -ieee option
651    checkpoint57c_pre
652    
653    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
654      update output.txt of exp. global_ocean.90x40x15
655    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
656      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
657    o add saltFlux(+File) forcing capability with periodicExternalForcing
658    o allow to use pkg diagnostics for GM-Redi & ThSIce output
659    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
660    o improvements for the MNC output from DIAGNOSTICS:
661      - correct handling of the unlimitied dimension
662      - all dims now have associated coordinate variables
663      - variables located at U, V, and Corner ("Z") points are now written
664        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
665        *all* data points are output
666    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
667    o added pkg/seaice/seaice_monitor.F
668    o mdsio_readfield.F can now read files visible only to master MPI process.
669    o pkg/seaice: some test code for ice-modified ocean stress
670    o exf_getffields interpolation defaults to bilinear for all scalar forcing
671      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
672      spurious negative numbers for precipitation and humidity.  Will cause
673      some small numerical differences for integrations using pkg/exf/exf_interp.F.
674    o pkg/ctrl/
675      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
676        May be enabled via doPackDiag
677      *  introduce z-scaling of
678         + gradient (doZscalePack) and
679         + control (doZscaleUnpack)
680    o pkg/mdsio/
681      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
682      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
683    
684    checkpoint57b_post
685    o simplify options in diagnostics_fill arguments (remove weird combinations)
686    o fix MNC coordinate variables so that they now contain per-face index
687      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
688      general, EXCH2 grids are only aligned to a "local" coordinate system
689    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
690    o Implement instantaneous output within pkg diagnostics:
691      setting a negative frequency in data.diagnostics produces
692     "snap-shot" output (as opposed to time-average if freq > 0)
693    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
694      NOTE: change ptracer diagnostics name: use 2 characters to work with
695            more than 9 tracers. Add also diagnostics of advect & diffus flux.
696    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
697      becomes the coordinate variable for the 'T' dimension
698    o add CF-style coordinate variables to MNC
699      - just a first cut:  numbers are meaningless on the cubesphere and
700        missing along the T axis but otherwise it works!
701    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
702    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
703    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
704      this is based directly on what the model compute, so that the content of
705      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
706    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
707    o clean up build options files for SunOS, in particular
708      - remove -traditional from xmakedepend
709      - change -xarch=v9 to -xarch=native for f77
710      - restore use of make (not gmake)
711      - add CC=gcc if using g77
712    o changes per discussion of AM, JMC, & EH3 today:
713      - move redundant "grid" variables out of "state" -- in preparation of
714        creating proper CF-style coordinate variables and in recognition
715        that any/all grid variables can be easily copied (eg. w/NCO) from
716        the grid files into any of the other NetCDF files
717      - *always* output grid variables with MDSIO (this will eventually be
718        changed)
719      - output MNC grid file if useMNC is true
720    o every instance of _END_MASTER() has been found and replaced with
721      _END_MASTER( myThid ) in order to satisfy certain picky Sun
722      preprocessors
723    o re-arrange diagnostics pkg initialisation:
724     - allow each package to extend the available diagnostics list
725     - add some checking and fix small problems (multi-threaded, ...)
726     - new S/R diagnostics_fill (replace fill_diagnostics):
727       look through the short list of active diag. (instead of the long list)
728       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
729    
730    checkpoint57a_post
731    o this set of changes restores TAMC compatibility
732      tested for global_ocean.90x40x15 adjoint on trough
733      (what a pain)
734    
735    checkpoint57a_pre
736    o some modifs in tools/build_options for sunos
737    o call ctrl_pack for ctrl at end for optimcycle=0
738    
739    checkpoint57
740    o add horizontal bi-harmonic viscosity for vertical velocity
741      - new parameter viscA4W (defaults to viscA4)
742      - affects only non-hydrostatic code
743      - to be done: no-slip lateral boundary conditions
744    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
745    o implement Implicit Vertical advection for pTracers
746    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
747      (implemented also for implicit vertical diffusion & advection)
748    o OBCS: extend application of tracer open boundary conditions
749      to a strip beyond the boundary of width Olx/Oly
750    o add call monitor to TAF set of required calls (flow directives)
751      and include in natl_box_adjoint
752    o untangle a few ifdefs related to cost, ctrl, autodiff
753      untangel a few ALLOW_ECCO_OPTIMIZATION
754    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
755      (theta2, salt2 in ecco_cost_weights)
756    
757    checkpoint56c_post
758    o OBCS as control variables
759      - update ctrl_ad_diff.list, obcs_ad_diff.list
760      - remove balance of obcs controls from default
761      - fix index bug nobcs in ctrl_init
762      - fix dummy fields filen in ctrl_pack
763      - add dummy weights for obcs
764    o lsopt: comment out fort.94 output
765    o optim:
766      - remove unnecessary header files
767      - adjusted namelists
768      - add xerbla.F to Makefile
769    o exf:
770      - multiple modifications of exf_check_range
771      - unit change in exf_init_runoff from [m/year] to [m/s]
772    o mdsio:
773      - i/o-vector change debugLevel from debLevA to debLevB
774    
775    checkpoint56b_post
776    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
777      is called from DO_THE_MODEL_IO
778      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
779      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
780      - clean up PTRACERS_WRITE_TIMEAVE a little
781    o add another verification experiment that tests both the cfc-pkg and
782      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
783      reactive tendencies treated inline with regular timestepping
784    o testreport previously did a lousy job of comparing small numbers, so
785      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
786      implemented in the little c-progam tmp_cmpnum.c which is embedded in
787      testreport.
788    o ptracers_monitor: bug fix for MPI
789    
790    checkpoint56a_post
791    o GCHEM: finish reorganizating the package
792      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
793        (introduces another 3D-array for each passive tracer, but only if
794        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
795        gchemTendency is not needed because the timestep is done separately)
796      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
797      - GCHEM is now---more or less cleanly---separate from PTRACERS
798      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
799        so clear to me how that should be done in a general way.
800    o CFC: improve formatting of output in CFC_ATMOS
801    o PTRACERS:
802      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
803        that ALL experiments with ptracers enable can be checked. This makes
804        GCHEM_MONITOR obsolete.
805      - include a runtime parameter PTRACERS_monitorFreq that defaults to
806        monitorFreq
807      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
808    o add PTRACERS (PTR0[1-5]) to testreport output
809    o exf_check_range:
810      * default changed to .TRUE.
811      * will check values for niter0 if debLevA, every timestep if debLevB
812      * STOP in exf_check_range if 'out of range'
813      * range chosen generous to allow for potential extema
814      TBD: a version with stricter range
815           permitted range would be runtime parameters
816    o GMredi:
817      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
818      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
819      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
820    o GCHEM:
821      - move call to GCHEM_FORCING_SEP, so that it is now called before
822        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
823      - introduced a useGCHEM runtime flag and applied it everywhere.
824      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
825        this flag is now only visible within GCHEM-pkg routines.
826      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
827        be replaced by a 3D array that is computed before thermodynamics; for
828        this, the tracer ID iTracer had to be included into the parameter list
829        of ptracers_forcing
830      - set up forward_step to call gchem_forcing, that will replace
831        gchem_forcing_int in ptracers_forcing
832      - cleaning up
833    o small cleaning of exch2: remove files that are also in eesupp/src
834    
835    checkpoint56
836    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
837    o mnc: cleanup "full" files--fixes out-of-memory problem
838    o ECCO-GODAE
839      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
840      * fully merged and updated from SIO code
841        windstress sign change affects
842        - exf_inscal_[u/v]stress
843        - sign of xx_tau[u/v] adjustments
844        - signs in cost_scat
845      * ctrl_get_gen: avoid update of tau[u/v] for first few days
846      * natl_box_adjoint updated and compressed
847      * 2-level checkpoint switch added
848        (tested in EXP. 1 of natl_box_adjoint)
849      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
850    o SVD
851      * first complete, non-hacked version for SVD calculations
852      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
853        performed via direct access files admtlm_vector.it????
854        (via ctrl_[un]pack)
855      * optimcycle is used for ARPACK iteration counter
856        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
857      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
858        and add linear transforms where necessary
859      * controls are initial/final SST, SSS (can be extended; need to check
860        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
861    o mdsio: filename info to both stderr, stdout
862    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
863      from sign change
864    
865    checkpoint55j_post
866    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
867      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
868    o add consistent build directories and .cvsignore files to verification
869    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
870    o make all subroutines 30 or less characters in length for certain older
871      compilers to work (a thorough search only turns up two routines in
872      pkg/ptracers)
873    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
874      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
875    
876    checkpoint55i_post
877    o change arrays for total vertical diffusivity (2.D if explicit,
878      3.D if implicit) ; each ptracer uses its own background value.
879    o added mnc/NetCDF output capability to ocn_compon_interf
880      - added bits to verification/cpl_aim+ocn so that it can run on
881        ITRDA and other clusters without the mpirun "-wd" option
882    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
883      configuration
884    o give MNC the ability to create additional files rather than
885      exceeding a specified file size limit "MNC_MAX_FILESIZE"
886      - the default is just less than 2GB which is a practical limit
887        on many systems
888    o Compute the non-local term using either KPP vertical diffusivity (=default)
889       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
890    
891    checkpoint55h_post
892    o add verification test "vermix"
893    o remove all the *_ioinc flags and replace with the single global
894      outputTypesInclusive flag
895    o allow to set a vertical profile of vertical diffusivity for T & S
896    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
897    o useMNC moved from data.mnc to data.pkg
898    
899    checkpoint55g_post
900    o Renaming carbon AD experiments to comply with testreport conventions
901    o Updating adjoint of Held-Suarez hs94.1x64x5
902    o Fixing directives for non-ECCO forward_step, after ECCO directives
903      have been fixed to avoid recomp. of do_oceanic_phys
904      Works well for global_ocean.90x40x15,
905      but recomp. issue remains for carbon
906    o Updating adjoint output for natl_box_adjoint after
907      pkg/ecco has been modified (see taga c55d_post)
908    
909    checkpoint55f_post
910    o rename to timeave_init_fixed
911    
912    checkpoint55e_post
913    o some delicate re-shuffle of store directives to avoid one
914      extra call of do_oceanic_physics
915      affects ecco_the_main_loop.F, do_oceanic_physics.F
916      checkpoint_lev1_directives.h
917    o NB: this may break global_ocean adjoint temporarily,
918      but it is clear how to fix it. Will do later, need this now.
919    
920    checkpoint55d_post
921    o ECCO specific cost function terms (up-to-date with 1x1 runs)
922    o ecco_cost_weights is modified to 1x1 runs
923    o modifs to allow observations to be read in as
924      single file or yearly files
925    o enable to read exf forcing fields as either
926      single file or yearly files (flag useExfYearlyFields)
927    checkpoint55d_pre
928    
929    o switch between 2-level and 3-level checkpointing
930    o add ability of MNC to write local and "partial" (eg. 2D slices where
931      the full 3D field is never actually stored) arrays to NetCDF files
932      with the correct (that is, the complete multi-dimensional) set of
933      array indicies
934      - used in mom_vecinv() to write the diagFreq output
935      - tested (demonstrated) in verification/aim.5l_cs
936    o further mnc-ification
937      - add verification/lab_sea to the list with mnc setups
938      - fix undefined mnc v-names in cd_code
939      - add kpp to mnc output (both snapshot and timeave)
940    o non-hydrostatic code
941      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
942        in calc_gw.F
943      - defaults to viscAh
944      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
945        friction or Leith) in non-hydrostatic mode, as long as there is
946        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
947    o pkg/cost
948      extend simple cost functions to treat time mean quantities
949      (T,U,V) via cost_accumulate_state from cost_tile
950    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
951        be 2 times larger than the minimum size the advection scheme requires.
952        now get a perfect conservation of salt in advect_cs test-exp (updated)
953    o GGL90 (Gaspar's TKE mixed layer)
954      - add horizontal diffusion of TKE, requires exchanges in
955        do_fields_blocking_exchanges, horizontal diffusivity is zero by
956        default. In OPA there is no horizontal diffusion of TKE but the
957        mixing coefficients are computed from a horizontal average of TKE of
958        6 points or so. I think that diffusion has a little more physical
959        justification.
960      - clean up ggl90_calc in the hope of reducing memory usage (this hope
961        was in vain)
962      - mask tke-variable in ggl90_init
963    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
964    o fix biharmonic diffusion on CS-grid.
965    o more obcs stuff
966      - added obcs_external_fields_load as an alternative to the EXF-pkg option
967        for reading boundary values. This routine is called from
968        obcs_prescribe_read
969      - updated obcs_check
970      - changed sponge layer relaxation parameter units for days to seconds
971      - turned off sponge layer by default
972      - changed argument list of OBCS_CALC to myTime+deltaTclock
973      - fixed about 35 bugs in obcs_external_fields_load
974    
975    checkpoint55c_post
976    o obcs stuff
977      - new runtime flags useOBCSprescribe, useOBCSbalance
978      - re-arranged obcs_calc
979      - moved exf_getobcs to obcs_prescibe_read
980        obcs_prescibe_read is called after ORLANSKI stuff
981        and independent of it (executable can contain all).
982      - updated obcs_check
983      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
984        These may be necessary only if tangential velocities are
985        prescribed at OB, not sure, needs testing.
986    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
987      which simplifies the calls and passes the ifc check-bounds test
988    
989    checkpoint55b_post
990    o add a 2D scalar, Z location, exchange_2 routine.
991    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
992      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
993      affects advect_cs results (for the wrong reason): update output.txt
994    o use a more standard discretization for biharmonic viscosity ;
995     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
996      affects results of dome set-up: update output.txt
997    o fix gad_advection.F (CubedSphere part), back to version 1.23
998    o fix bug in mom_vi_del2uv.F (CubedSphere part).
999    
1000    checkpoint55a_post
1001    o merged code to
1002      * prescribe/read time-dependent open boundaries
1003        (works in conjunction with exf, cal)
1004      * sponge layer code for open boundaries
1005      * each boundary N/S/E/W now has its own CPP option
1006        (healthy for the adjoint)
1007    
1008    checkpoint55
1009    o up-to-date adjoint of previous breaks
1010      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1011      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1012      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1013      - carbon: * remove tr1-related adjoint verification
1014                * add ptracer as control variable
1015    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1016      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1017    
1018    checkpoint54f_post
1019    o in verification/carbin/ remove experiment related to
1020      ALLOW_PASSIVE_TRACER (array tr1 etc)
1021      code_ad/ input_ad/ results_ad
1022    
1023    o add two new packages
1024      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1025        + subject to optimization (memory)
1026      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1027        + subject to reordering (many GOTOs in the original code)
1028        + so far opps is called for every (i,j) point, and then operates in
1029          the vertical; one may want to reorder the scheme in order operate in
1030          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1031          fields)
1032    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1033      - all verification tests compile and run with linux_ia32_g77
1034      - defaults are compatible with current input files--nothing
1035        should change if you were not previously using MNC
1036      - MNC output has been added in numerous places (eg. timeave)
1037        but there are still a few writes not yet do-able with MNC
1038        (this is in progress)
1039      - flags now allow for either/or/both use of MDSIO and MNC and
1040        documentation will soon follow
1041      - numerous small formatting cleanups for ProTeX
1042    o add version info (via BUILD_INFO.h) to MNC and stdout
1043    
1044    checkpoint54e_post
1045    o add two new packages
1046      - pp81 (Packanowski and Philander, 1981), Richardson number and
1047        stratification dependent mixing
1048      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1049      - these scheme operate in a similar manner as KPP (without ghat, of
1050        course), however there is only one diffusivity that is used for both
1051        temperature and salinity (and passive tracers)ç
1052    o add offline package
1053    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1054      provided by Stephanie Dutkiewicz
1055    o genmake2: add ability to search for C compilers and cleanup test output
1056      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1057    
1058    checkpoint54d_post
1059    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1060    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1061      leading to additional shift by 5 days each year of integration
1062       (i.e. leading to considerable offset over the years)
1063    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1064    o start with no AB and no initial filtering (staggerTimeStep):
1065      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1066    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1067      (external loading & cpl import/export stay in forward_step.F)
1068    o update coupling interface to work with new staggerTimeStep
1069    o change MDSIO ptracers_pickup.
1070    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1071    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1072    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1073    
1074    checkpoint54c_post
1075    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1076      this affects (truncation error) output.txt of test-exp:
1077       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1078    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1079    o change Qnet to always be the net heat flux, (+upward).
1080      affects (truncation error) output of natl_box exp.: updated
1081    o define the max number of passive tracers in PTRACERS_SIZE.h
1082    o start to test mnc routinely in exp0
1083    o add sea-ice loading (sIceLoad) as a new forcing field.
1084    
1085    checkpoint54b_post
1086    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1087       impressive on Altix and Opteron systems)
1088    o diagnostics can now write NetCDF files through the mnc package
1089    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1090    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1091    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1092      affects (truncation error) output of lab_sea & natl_box exp.: updated
1093    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1094    
1095    checkpoint54a_post
1096    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1097    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1098    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1099    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1100      + internal_wave (shift in writing cg2d_ini_res)
1101    checkpoint54a_pre
1102    
1103    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1104      - modified verification/lab_sea and natl_box_adjoint accordingly
1105    
1106    checkpoint54
1107    checkpoint53g_post
1108    o prepare splitting of thermodynamics: store convect.counter in common block
1109    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1110      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1111    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1112    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1113    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1114    o restore adjointability
1115    
1116    checkpoint53f_post
1117    o modifications that affect AIM experiment results (update output.txt):
1118      - no advection of S at top interface Nr (pkg/generic_advdiff)
1119      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1120    o AIM pkg:
1121      - include stability function into surf.Flux derivative relative to Tsurf
1122      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1123    
1124    checkpoint53e_post
1125    o merged cylindrical coord configuration
1126    o added rotating_tank experiment
1127    checkpoint53e_pre
1128    
1129    checkpoint53d_post
1130    o faulks upgraded: re-generate output.txt that have changed:
1131       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1132    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1133    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1134    o added Sadourny discretization of Coriolis
1135      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1136      - re-enabled use of omega3 (useAbsVorticity)
1137    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1138      vector-invariant equations
1139      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1140    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1141      hopefully without new bugs
1142      - still to do: biharmonic friction for non-hydrostatic w
1143    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1144    o regenerated output for global_ocean_ebm (using -ieee)
1145    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1146      of mom_common/
1147      - simple re-arrangement of instructions within computing loop
1148    checkpoint53d_pre
1149    
1150    checkpoint53c_post
1151    o new version of coupler for AIM+thSIce and Ocean models
1152     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1153     - land: change Evaporation of snow
1154     - aim with thSIce: fix bug in snow-precip.
1155    o changes to calc_gw.F
1156     - bug fix for w^2 term near the bottom boundary
1157     - (hopefully) improve the lateral slip boundary condtions for use with
1158        partial/looped cells
1159      - because the bug fix changes two verification experiments anyway (exp5
1160        and plume on slope), change the lateral boundary condition from half slip
1161        to the value of no_slip_sides
1162    o ebm package wasnt quite up to the parallel task. Fixed that.
1163    o Adjoint of EBM package + verification
1164      * TLM OK
1165      * ADM not sufficient accuracy yet (needs further testing)
1166    
1167    checkpoint53b_post
1168    o Commiting new energy balance model to repository
1169      * package is pkg/ebm
1170      * verif. is verification/global_ocean_ebm
1171      * references are in ebm_driver.F
1172    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1173    C        Global thermohaline circulation. Part I:
1174    C        Sensitivity to atmospheric moisture transport.
1175    C        J. Climate 12(1), 71-82
1176    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1177    C        Global thermohaline circulation. Part II:
1178    C        Sensitivity with interactive transport.
1179    C        J. Climate 12(1), 83-91
1180    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1181    C        Destabilization of the thermohaline circulation
1182    C        by atmospheric eddy transports.
1183    C        J. Climate 7(12), 1870-1882
1184    o Will need long integration testing.
1185    checkpoint53b_pre
1186    
1187    o created pkg/mom_common in preparation for variable viscosity code
1188    o renamed and split ini_mnc_io
1189    o pkg/land: only liquid water can diffuse or run-off
1190    o AIM using land: soil wetness availability account for snow
1191    o added printMapIncludesZeros to EEPARMS namelist
1192    
1193    checkpoint53a_post
1194    o restore TAMC compatiility for exf_constants.h
1195      (no usage of _d in .h)
1196    o Additional storing in KPP in an attempt to fix
1197      TAMC problem with adjoint of KPP code.
1198      (no success...)
1199      Identical code works fine with TAF.
1200    o Fixed verification/natl_box_adjoint experiments.
1201      Initial conditions for Experiments 4 and 5 are now
1202      set to "SEAICE_initialHEFF=0", which is more reasonable,
1203      and hence gives results closer to that of Experiment 2.
1204      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1205    
1206    checkpoint53
1207    o stable checkpoint with up to date adjoint
1208      TLM tests only run for 1st grdchk at the moment. Its unclear if
1209      this is a code problem or a problem with resetting code for g_
1210      variables that is being autogenerated wrong.
1211      Otherwise:
1212       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1213       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1214         are both still in chaos following their security messes.
1215    
1216    checkpoint52n_post
1217    o various build (mostly genmake2) changes including:
1218      - ability to build/run more easily within Cygwin and MacOS X
1219      - more complicated Makefiles with a stronger dependence on Gnu Make
1220    o pkg/seaice modifications
1221      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1222        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1223        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1224      - changed proxy for geostrophic velocity and updated
1225        verification/lab_sea/results/* accordingly
1226      - removed ADI dynamic solver from pkg/seaice
1227      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1228        they caused a segmentation fault under certain circumstances
1229      - removed unused field WATR
1230    o bug fix in exf-package:
1231      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1232         now reflect that.
1233    o small fixes in the cal-package:
1234      - set reference date to first of January for the 'model'-calendar
1235      - failing of cal_CheckDate in cal_FullDate now actually results in a
1236        warning
1237    o small modifications in exf-package to increase flexibility:
1238      - change climtempfreeze from a constant to a runtime parameter that
1239        is specified in data.exf_clim (default = -1.9)
1240      - introduce runtime parameter windstressmax (default = 2.0) that is
1241        specified in data.exf
1242    o fix in pkg/thsice:
1243      - update Evap (Tsf changes) to be consistent with Latent heat flux
1244      - maintain snow precipitation unchanged (even if Tsf >=0).
1245     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1246    
1247    checkpoint52m_post
1248    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1249      this does not change any of the results, because myIter=0 in swfrac always
1250      lead to jwtype=2 (the default anyway), but the call makes little sense
1251      as a default
1252    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1253    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1254      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1255    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1256    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1257    o extending useSingleCpuIO option to work with new exch2 I/O format
1258      - old-style, missing-tile I/O is still accessible by defining CPP
1259        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1260    o monitor package can write to NetCDF files and/or STDOUT
1261    o fix re-definition bug in MNC_GRID_INIT_ALL()
1262    o doc/api_reference added
1263      - a framework for building an API Reference Manual using all
1264        the "protex" comments embedded in the code
1265      - see pkg/generic_advdiff, pkg/mnc for examples
1266    o MNC:
1267      - make myThid the last argument for all subroutines
1268      - new default for the grid files: NO halos
1269      - add useMNC and other run-time flags
1270      - separate per-file-group handling of the unlimited dimension
1271      - early initialization of MNC w/ flags read at the eeboot stage
1272        and lookup tables set in initialize_fixed
1273      - write all MNC output to a freshly-created directory
1274    o thermodynamics sea-ice (thsice) is now tested with testreport.
1275    o test exp. advect_cs: use the standard cs32 grid ; update output.
1276    o Added functionality to grdchk:
1277      pick global i,j,k position (or nearest wet) where to perform check.
1278    
1279    checkpoint52l_post
1280    o new land formulation:
1281      a) use ground enthalpy as prognostic variable to ensure exact
1282         energy conservation.
1283      b) account for water temperature and for latent heat of freezing
1284         in all processes (rain, run-off, ground storage)
1285      c) compute surface and ground temperature implicitly.
1286    o aim_v23 modification for new land model:
1287      a) Treat separately land / ocean / sea-ice surface fluxes
1288         to allow implicit computation of land & sea-ice surface temp.
1289      b) add snow precipitation.
1290    checkpoint52l_pre
1291    
1292    o fix problem (when 1 tile is empty) in min/max monitor.
1293    o fix bug in timeAve (u,vZetatave in common block)
1294    o no restoring terms under ice for pkg/seaice
1295    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1296    o bug fix for pkg/seaice pickups
1297    o change MNC call locations and add coordinate attributes
1298    o mask vorticity at the corner ; affects global_ocean.cs output
1299    o fix ini_curvilinear_grid ; test CS experiments with mpi
1300    o aim.5l_cs: modify sea-ice fraction input file ; update output
1301    o exf: Adding simple range check routine for exf fields after read
1302    
1303    checkpoint52k_post
1304    o removed top-level directory "diags"
1305      - we migrated these functions to pkg/timeave a long time ago
1306    o fixed bug introduced in pkg/monitor
1307    o accuracy ctrlprec = 32 insuffient for gradient checks using
1308      averaged fields (I/O via cost_averages)
1309      -> use ctrl.h in active_file*.F to control I/O precision.
1310    o paramter list of CALL ADTHE_MAIN_LOOP
1311    o added initial do_the_model_io to ecco
1312    o set all ...Freq to zero after cost_final
1313      taveFreq, dumpFreq, pChkptFreq
1314    o MAIN and ECCO differentiability restored
1315    
1316    checkpoint52j_post
1317    o fix nchklev in tamc.h for global_ocean...
1318    o Bringing flow and store directives up-to-date
1319    o Really weird thing!
1320      call do_the_model_io from the_main_loop with parameters
1321      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1322      TAF places a faulty re-call of initialise_varia
1323      after cost_final call which should not be there!
1324    checkpoint52j_pre
1325    
1326    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1327      error messages
1328    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1329    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1330      debug output
1331    o modfied mdsio_writefield.F to handle non-global files under exch2
1332    o update AIM Cubed-Sphere exp (aim.5l_cs):
1333      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1334    o update AIM Equatorial Channel exp:
1335      use standard aim_v23 pkg and change the SST fields to be more realistic.
1336    o globalFile now works with exch2
1337    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1338      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1339    o limit timeave output for hi-res integrations
1340    
1341    checkpoint52i_post
1342    o removed CPP_EEOPTIONS.h from verification/*/code
1343    o updated the tiling for global_ocean_pressure
1344    checkpoint52i_pre
1345    
1346    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1347      the old pkg/aim).
1348    
1349    checkpoint52h_pre
1350    o shortened offending lines in exch2_send_rx?.template
1351    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1352    o genmake2: add build & execute test for NetCDF code
1353    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1354      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1355    o added useSingleCPUIO flag to monitor.F and mon_out.F
1356    o added temporary hack for sea-ice dynamics on the cube:
1357      metric terms are ignored and it is assumed that
1358      there is no sea-ice on cube faces 1, 2, 4, and 5.
1359    
1360    checkpoint52f_post
1361    o added exch2 cube routines to pkg/exch2
1362    o modified hs94.cs-32x32x5 to use it
1363    o added new grid files to hs94.cs-32x32x5
1364    checkpoint52f_pre
1365    
1366    checkpoint52e_post
1367    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1368      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1369    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1370      to work with implicit vertical advection and AB ;
1371    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1372    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1373     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1374    checkpoint52e_pre
1375    
1376    o fix bug in impldiff when Nr=1 or Nr=2.
1377    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1378    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1379    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1380      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1381    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1382    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1383    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1384    
1385    checkpoint52d_post
1386    o re-tiled many expts to allow comparison in multi-processor mode
1387      - updated output accordingly
1388      - changed hs94.128x64x5 to use intial T from file rather than use the
1389        random number generator
1390    o add infrastructure in model routines for fizhi and gridalt packages
1391    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1392    o changes to permit hi-res, cubed-sphere, configuration
1393      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1394      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1395      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1396        of surface winds for the cube
1397      (A verification experiment, based on global_ocean.cs32x15, but with
1398       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1399       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1400       complete with example surface forcing files and matlab scripts to look
1401       at the output and compare it with that of global_ocean.cs32x15.)
1402    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1403       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1404       to conform to the common rule.
1405    o check-in the first version of the coupler + interfaces for multi-components
1406       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1407       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1408       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1409       - ocean and atmos. share the same horizontal grid (no interpolation).
1410       - exchanges between component and coupler is done in forward_step
1411    o new verification experiment, cpl_aim+ocn:
1412       coupled ocean - AIM atmosphere on cs32 grid.
1413    
1414    checkpoint52d_pre
1415    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1416    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1417    
1418    checkpoint52c_post
1419    o Fixing OPTIONS files for use of exf:
1420      - ALLOW_ECCO not needed
1421      - ECCO_CPPOPTIONS.h should not be included from
1422        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1423        as has been the case in the past
1424      - All cal/exf related options are currently set in
1425        single header file. Should remain so until we
1426        agree on a consistent new policy.
1427    o Removed all CPP options for cal package.
1428      cal has no more CPP options.
1429    o modified STOREs in GAD_ADVECTION
1430    o corrected key comp. for passkey
1431    
1432    checkpoint52b_post
1433    o new version: "thsice" of thermodynamic sea-ice pkg:
1434     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1435     - modify fluxes but do not change theta directly;
1436     - light cleaning of bulk_force pkg (still needed with thsice).
1437     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1438       + output_thsice.txt to test thsice & bulk_force pkgs.
1439    o put back grid & coriolis monitor output.
1440    checkpoint52b_pre
1441    
1442    o call "do_the_model_io" at the beginning (=> dump initial state)
1443    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1444    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1445      (need info on NUMBER_OF_PTRACERS)
1446    o missing PTRACERS headers in some routines
1447    o default tamc.h in pkg/autodiff supposed to crash
1448      to ensure proper customization
1449    
1450    checkpoint52a_post
1451    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1452      - moved surfaceTendencyTice from pkg/seaice to main code
1453      - subroutine FREEZE_SURFACE now limits only surface temperature
1454        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1455        => new output.txt for global_ocean.cs32x15 & global_with_exf
1456      - keep the old version of FREEZE for backward compatibility;
1457        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1458      - corresponding modifs for TAF directives
1459    o added surface flux output variables to TIMEAVE_STATVARS
1460    o time-averaged output for pkg/ptracers
1461    o fix problem with ECCO-related divided adjoint
1462      snapshot file was missing some ad-variables,
1463      but no warning issued by TAF
1464    
1465    checkpoint52a_pre
1466    o some bug fixes for #undef REAL4_IS_SLOW
1467    
1468    checkpoint52 = ecco_c52_e35
1469    o after testing adjoints of checkpoint51u_post
1470    
1471    checkpoint51u_post
1472    o this is the post-merge tag of the ecco-branch
1473      (needs another clean checkout and re-testing)
1474    o various natl_box_adjoint configs and results
1475      but no input fields
1476    o obcs adjoint not yet merged!
1477    o adding ECCO global 1x1 and 2x2 degree configs
1478    o updated/extended some store directives for seaice
1479    o pkg/ecco now containes ecco-specific part of cost function
1480    o top level routines the_main_loop, forward_step
1481      supersede those in model/src/
1482      previous input data.cost now in data.ecco
1483      (new namelist ecco_cost_nml)
1484    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1485    
1486    checkpoint51t_post
1487    o this is the pre-merge tag of the ecco-branch
1488    
1489    checkpoint51s_post
1490    o cleanup: removed various obsolete #define-s
1491    o pkg/grdchk
1492      - renamed 'ph-grd 3' to 'grad-res'
1493      - merged from ecco-branch
1494        (remaining bug fixes for obcs gradient checks)
1495      - additional high-precision output for testreport
1496        (grep for 'precision_grdchk_result')
1497    
1498    checkpoint51r_post
1499    o cleaned up or removed CPP_OPTIONS.h files
1500    o updated results for some of the tests to reflect the new
1501      optfiles (-ieee: -O0 instead of -O3)
1502    
1503    checkpoint51q_post
1504    o cd_code:
1505      - moved cd_scheme.F -> cd_code_scheme.F
1506      - separate read_checkpoint from cd_code_ini_vars.F
1507      - separated cd_code part from write_checkpoint
1508      - updated AD_SOURCE, generated .flow
1509      - added CD_CODE_VARS.h to the_main_loop
1510      - Moving cd_code specific store dir.s to pkg/cd_code
1511    o ctrl package totally restructured
1512      - pack/unpack now optional and decoupled from
1513        xx_/adxx_ I/O
1514      - ctrl_pack/unpack cleaned
1515        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1516      - confined inclusion of AD_CONFIG.h to where necessary.
1517    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1518    
1519    checkpoint51p_post
1520    o create initial cd_code package
1521      - WARNING: the initialization of fields within packages
1522        is broken because INI_FIELDS (where READ_CHECKPOINT is
1523        called) is called *before* PACKAGES_INIT_VARIABLES.
1524        This seems to be backwards since
1525        1) its important to initially zero the entire field including
1526           the "halo" region
1527        2) zeroing needs to be done *before* reading pickup info
1528           and the pickup call might or might not happen in any
1529           particular run
1530      - this needs an overhaul for R2
1531    o cleanup verification/*/code/GMREDI_OPTIONS.h
1532    o cleanup testreport
1533    
1534    checkpoint51o_post
1535    o bringing AD-related verif's up to date with genmake2
1536      - carbon/
1537      - global_ocean.90x40x15/
1538      - hs.94.1x64x5/
1539      - (front_relax/ )
1540    o (more) consistent directory structure for AD-related verif.'s
1541    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1542    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1543    o bug fix in find_alpha.F for MDJWF:
1544      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1545        change rho -> rho-rhoConst
1546      - replace call find_rho to find_rhonum
1547    o initialisation of rFlx extended to full array (required by TAF)
1548      and shifted to thermodynamics
1549    o removed PTRACERS.h in ptracers routine
1550    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1551    o Correcting initialisations for fVerU, fVerV.
1552    o helping TAF to recognize dependency on kUp for
1553      fVerU, fVerV
1554    o Replacing delZ by delR in pkg/ctrl/
1555    checkpoint51o_pre
1556    
1557    o undid all of cp51 pending some cleanups and discussion
1558    o added the [#include "AD_CONFIG.h"] statement to all files that need
1559       it for adjoint/tl #defines
1560     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1561     o removed tools/genmake since it no longer works
1562    
1563    checkpoint51n_post
1564    o modifications to make FREEZE flux visible to pkg/kpp
1565      - moved surfaceTendencyTice from pkg/seaice to main code
1566      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1567      - subroutine FREEZE now limits only surface temperature
1568        (this means new output.txt for global_ocean.90x40x15,
1569         global_ocean.cs32x15, and global_with_exf)
1570    o added surface flux output variables to TIMEAVE_STATVARS
1571    
1572    checkpoint51n_pre
1573    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1574    o added [#include "AD_CONFIG.h"] to all files that use the following
1575      defines:
1576      - ALLOW_ADJOINT_RUN
1577      - ALLOW_TANGENTLINEAR_RUN
1578      - ALLOW_ECCO_OPTIMIZATION
1579    
1580    checkpoint51m_post
1581    o incorporating changes to get TAMC/TAF working in genmake2
1582      - added new TAMC/TAF targets to the Makefile
1583      - various cleanups related to package handling
1584      - these changes should have no impact on the forward model
1585    
1586    checkpoint51l_post
1587    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1588     - faster algorithm for cal_addtime.F
1589     - higher precision arithmetic, where needed
1590     - pkg/exf *startdate variables changed from calendar date to
1591       model integration time
1592    
1593    checkpoint51l_pre
1594    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1595    o enable to apply restoring on S & T only in a latitude band.
1596    o update output (external_forcing_surf modif. change truncation errors)
1597       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1598    
1599    checkpoint51k_post
1600    o change default to: useNHMTerms=.FALSE.
1601     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1602       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1603     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1604        exp1, ideal_2D_oce
1605     - change data file of oceanic exp (leave the results unchanged for now)
1606       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1607    o set gravitySign automatically according to the vertical coordinate used
1608      (and change sign: back to "logical" value: +1 when R increases downward)
1609    o added an include barrier to the default CPP_OPTIONS.h and
1610      removed the #include "PACKAGES_CONFIG.h" from it
1611    o fix a bug in mom_fluxform (from chk51j_post)
1612    
1613    checkpoint51j_post
1614    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1615    o adjusted some flow directives (dynamics, thermodynamics)
1616    o added cubed-sphere case to test cost function
1617    o heckpoint_lev?_directives.h now include
1618      pkg-specific directives, whenever those are enabled.
1619    o Moving pkg-specific flow directives to corresponding pkg
1620      Moving pkg-specific differentiation list to corresponding pkg
1621      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1622      ---> conventions are
1623           - pkg_ad.flow
1624           - pkg_ad_diff.list
1625           - pkg_ad_check_lev?_dir.h
1626    
1627    checkpoint51i_post
1628    o merge of the branch-genmake2
1629      - knowingly breaks the older genmake
1630      - automatic generation of all ALLOW_${PKG_NAME} defines
1631      - new testreport supersedes older testscript
1632    o large number of package inclusion and header cleanups
1633    checkpoint51i_pre
1634    
1635    o new output for adjoin of global ocean vector invariant
1636    o fix for checkpoint of thermodynamic seaice and bulk_force
1637    o Steph gchem various cleanups
1638    
1639    checkpoint 51h_pre
1640    o fixed some single quotes
1641    o modify gchem pkg to be more versatile
1642    o modifications to clean up dic pkg
1643    o add pkg/cfc
1644    
1645    checkpoint51g_post
1646    o provide links for ARPACK and ADM*TLM
1647    o start removing verification/vero/
1648    o update AD-related stuff
1649      (in particular some IF-statements in model/src/ routines)
1650    o adding to verification/global_ocean.90x40x15/ adjoint of
1651      vector invariant setup
1652    
1653    checkpoint51f_post
1654    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1655    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1656      of tracer Green's fucntions for ocean inversion project.
1657    
1658    checkpoint51f_pre
1659    o Added on-the-fly spatial interpolation capability
1660        "USE_EXF_INTERPOLATION" to pkg/exf.
1661      - This is a temporary Cartesian-grid hack until
1662        the super-duper ESMF coupler becomes available.
1663      - See verification/global_with_exf/README for usage example.
1664      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1665        flags and modified pkg/seaice accordingly.
1666    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1667        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1668        non-local transport term.
1669    
1670    checkpoint51e_post
1671    o pkg/mom_vecinv:
1672      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1673      - add time-ave diagnostic of vorticity advection.
1674    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1675    o atmospheric geopotential: - include water vapor effect;
1676                                - use p^kappa in p* scaling.
1677    o land pkg: read initial state from files.
1678    o AIM : add stratospheric drag in the upper level
1679    
1680    checkpoint51d_post
1681    o change function ILNBLNK (=> last non-blank char.) to return zero
1682      (instead of the string length) when the string. char is empty
1683    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1684    o modif's to restore TAMC compatibility
1685      - avoid "_d" constructs in PARAMETER declarations
1686      - avoid interrupting lines by comment lines
1687    o Use cluster local disks for purely local I/O
1688      vs. globally visible disks needed for ctrl stuff
1689      (merged from ecco-branch)
1690      - new active_file_loc... and mdsio_..._loc routines
1691      - affected packages: autodiff, ctrl, grdchk, mdsio
1692    
1693    checkpoint51c_post
1694    o introducing integer flag debugLevel
1695      - debLevZero: suppress all output
1696      - debLevA: standard
1697      - debLevB: equivalent to current debugMode=.TRUE.
1698    o introducing pathname variable mdsioLocalDir for mdsio
1699      that can be specified at runtime
1700      (relevant for cluster I/O to local disk)
1701    `
1702    >>>checkpoint51b_post
1703    adjoint of ptracers
1704    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1705    o extended state in checkpoint_lev?, etc.
1706    o alternative ctrl/cost with tr1 or ptracer
1707    o new comlev1_bibj_ptracers
1708    o new ptracers.flow
1709    o made ptracers_forcing same as external_forcing_s
1710    o added verification for adjoint with ptracers
1711      - adm. grdchk fail so far
1712      - tlm. grdchk OK
1713      - checked tapelev/comlev recomputations: OK
1714    <<<checkpoint51b_pre
1715    
1716    checkpoint51a_post
1717    o added code for biogeochemistry package
1718      - new pkgs: dic, gchem
1719      - new subroutine in ptracers
1720    o modify code for biogeo packages
1721      - in model/src and pkg/ptracers
1722    
1723    checkpoint51
1724    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1725      - autodiff, ctrl, exf, grdchk, seaice
1726      kept separate packages
1727      - cost, ecco, obcs
1728    o updating verification/internal_wave, verification/lab_sea
1729      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1730    
1731    checkpoint50i_post
1732    o Preparing next differentiable checkpoint and sync
1733      of MAIN vs. ecco-branch
1734      - 1st step: this one is differentiable
1735      - 2nd step: next(! not this) checkpoint will have updated packages
1736                  from ecco-branch)
1737    
1738    checkpoint50h_post
1739    o new package "land": provide surface BC for AIM.
1740    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1741    o AIM: use true log-P extrapolation for near surface temp (= as in
1742        F.Molteni paper) ; update aim.5l_cs output.
1743    o New variable in PARM03 for more flexible pickups
1744    o somewhat cleaned package initialisation sequence for
1745      ctrl/ cost/ ecco/ in packages_... routines
1746    
1747    checkpoint50g_post
1748    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1749      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1750      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1751        made the default because of faster convergence than ADI
1752    
1753    checkpoint50f_post
1754    o exf totally restructured
1755      - replaced all exf_set_ routines by one generic exf_set_gen.F
1756        and made sure it's still differentiable
1757      - split exf_getffields.F into new exf_bulkformulae.F
1758      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1759      - updated adjoint/makefile and relevant verif. accordingly
1760    
1761    checkpoint50f_pre
1762     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1763          + change Evap over land. (update aim.5l_cs output)
1764     o added missing .cvsignores and made uniform across expts
1765     o changed configuration of tidal_basin_2d expt
1766     o added pkg/debug functions for tracing code in fatal crashes
1767     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1768     o new fn in pkg/monitor to stop model if solution grows too big
1769     o removed lots of single quotes from comments
1770    
1771    checkpoint50e_post
1772    o make KPP work with PTRACERS
1773     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1774       nearly a copy of kpp_transport_s
1775     - there is no analogue to SurfaceTendencyS, so I have to use
1776       gPtr(of the surface layer) instead
1777    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1778    checkpoint50e_pre
1779    
1780    checkpoint50d_post
1781    o change kpp output from multiple-record state files to single-record state
1782      files analogous to write_state.F
1783    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1784      analogous to the cg2d-related output.
1785    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1786      so that writing to internal file fn (with length 512) fails.
1787    checkpoint50d_pre
1788    
1789    checkpoint50c_post
1790    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1791    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1792    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1793    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1794    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1795    
1796    checkpoint50c_pre
1797    Merging from release1_p13:
1798    o bug fix for pkg/seaice dynamic solver
1799    o Added SEAICE_initialHEFF to pkg/seaice
1800    
1801    checkpoint50b_post
1802    o store u*,v* in gU,V instead of in guNm1,gvNm1
1803    o in order to put the momForcing out of the Adams-Bashforth:
1804      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1805      to timestep.F
1806    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1807    o re-generate output for highly sensitive test-exp:
1808       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1809    
1810    checkpoint50b_pre
1811    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1812    o corrected CPP option mismatch in exf_Bulk... functions for case
1813      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1814    
1815  checkpoint50a_post  checkpoint50a_post
1816  o Bug fix for merging between c50 and KPP.  o Bug fix for merging between c50 and KPP.
1817    ikey was passed from thermodynamics to kpp_calc via    ikey was passed from thermodynamics to kpp_calc via

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