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revision 1.289 by cnh, Thu May 6 13:51:15 2004 UTC revision 1.651 by jmc, Thu Apr 20 21:30:02 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 upgrade simple test-experiment to tutorial example:
8     step.1: duplicate the experiment and (step.2) will remove the old copy.
9      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
10      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
11      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
12      tutorial_global_oce_biogeo    <- copy of dic_example
13      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
14      tutorial_plume_on_slope       <- copy of plume_on_slope
15      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
16      tutorial_global_oce_optim     <- empty for now (David ?)
17      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
18     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
19    
20    o correct a sign problem in cost_scat.F
21    o obcs and ptracers: fix boundary conditions for advections schemes
22      with larger stencil
23    o thsice adjoint: start
24    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
25      completeness
26    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
27      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
28    o ptracers adjoint:
29      * avoid extensive recomputatations
30      * fix missing re-init. of gptr (missed by TAF)
31    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
32      me to turn off the excessive output to STDOUT that this package produces
33    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
34      and add those terms in Vector-Invariant formulation.
35    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
36      if the control period (xx_hfluxperiod etc) is 0
37    o in profiles pkg, clean routines and fix details
38    o in ecco pkg, reading ssh data:
39      fix problem in case the model does not start at iter0=0
40    o fix mnc-pickup/restart for ptracers
41    o new package prifiles:
42      code to compute profile-based cost by Gael Forget
43      (modifs in ecco, ctrl, autodiff)
44    o Benign bug fix in initialization (spotted by M. Mazloff) of
45      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
46    
47    checkpoint58c_post
48    o adjoint: finish NLFS adjoint and provide reference output in
49      verification/global_ocean.90x40x15/results_ad_nlfs
50    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
51      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
52      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
53      with SEAICE_CGRID defined.
54    o move calendarDumps from "data" to "data.cal" and clean-up the code
55      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
56    o add useEXF & useCAL flags (for now, set in hard-coded way)
57    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
58      (were missing in NH mode, and wrong in quasihydrostatic mode).
59      waiting for Chris updated version of calc_gw to add those CALLs.
60    o fix bug in quasihydrostatic S/R ;
61      add a test for this option: global_ocean.90x40x15.qshyd
62    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
63      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
64    o add on/off flag useOffLine for package OFFLINE
65    o seaice:
66      - modify advection so that it works also on the C-grid
67      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
68        problem in multi-tile runs with C-grid
69      - add flags for clipping ice velocities and/or masking solver forcing
70      - fix drag (ocean on ice) formulation and a bug that caused noise in the
71        C-grid solver
72      - added a few comments to seaice_diffusion.F
73      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
74        are now exclusive)
75      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
76        required re-ordering the code a little:
77       + make DAIRN global variable (defined in SEAICE)
78       + move computation of the viscosities eta and zeta into a new separate
79         routine (because I need to recompute them in seaice_ocean_stress.F)
80    
81    checkpoint58b_post
82    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
83      update output.txt of exp. aim.5l_cs.thSI
84    o various mnc cleanups and improvements:
85      + shrink lookup tables by factor of ~4
86      + better error reporting when running out of lookup space
87      + able to handle longer path/file names (up to 500 chars)
88    o adjoint:
89      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
90      - TBD: "hidden" mom_vecinv recomp. in dynamics
91    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
92     (allow to differentiate between forcing components using new integer flags:
93      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
94     and add new flag to put Dissipation tendency out of Adams-Bashforth.
95    o ecco
96      - enable trend removal from SSH anomaly obs.
97    o adjoint
98      - a fix for PmEpR when #undef EXACT_CONSERV
99      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
100      - try to fix "hidden" recomp. in forward_step for NLFS
101        (NLFS seems broken sometimes after I checked it in)
102    o seaice:
103     - add c-grid version of the dynamic solver:
104       + three new routines that are the c-grid substitute lsr, dynsolver
105         and ostres
106       + put a few fields that were local to dynsolver into global common
107         blocks, so that I can move the computation of stresses etc into
108         seaice_lsr (saves coding but may break the adjoint).
109     - replace more hardwired parameters by runtime parameters
110     - add ice masks that mask the rhs of the implicit solvers where there
111       is no ice (commented out in seaice_dynsolver, because i am not sure
112       if this works properly), eventually this should replace the clipping
113       of ice velocities in seaice_dynsolver to +/-40cm/s.
114    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
115      include it only where its needed
116    o move balancing of fluxes before the call of external_forcing_surf
117    o seaice:
118      - correct units of turning angles (now they are really in degrees)
119      - move computation of GWATX/Y out of main routine into dynsolver
120      - initialize GWATX/Y in seaice_init
121    o Apply mask on Fresh-Water flux (needed for SSH forcing).
122      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
123    o seaice: add runtime flags for turning angles (default to zero)
124    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
125      and trend from exf forcing and ctrl control adjustments
126    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
127      (since checkpoint57x_post)
128    o change the default rotation period to 86164.s = the Earth rotation
129    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
130      and based on a reference stratification. Tested within hs94.cs-32x32x5.
131    o seaice advection: add code for choosing between the default (2nd order
132      central differences) and multiDim advection schemes provided by
133      pkg/generic_advdiff
134    o seaice:
135      - removed all references to SEAICE_GRID.h fields from
136        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
137        (cubed-sphere configuration will change a little)
138      - grid computations in seaice_init are obsolete now.
139      - cleaned up code a little so that is easier to read (hopefully).
140      - added new (better?) discretizations of default advection and diffusion
141        (turn on with SEAICEuseFluxForm)
142      - replace 1 in 3d global fields by kSurface in growth.F
143      
144    checkpoint58a_post
145    o seaice:
146      - bug fix in advect.F
147    o shelfice:
148      - separate shelfice load anomaly from pload (breaks with time
149        dependent forcing), => introduce constant field shelficeLoadAnomaly.
150        Its default is 0., but it may be computed more cleverly from (unknown)
151        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
152        done offline. A good approximation of the pressure load anomaly is
153        necessary to avoid large initial adjustment processes underneath
154        deep-reaching shelfice.
155      - small fix in ISOMIP shelfice_thermodynamics
156      - add more sophisticated thermodynamics of Hellmer (1989), this is
157        now the default
158      - give a few constants more intuitive names
159    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
160      if bulk formulae are used in long integration (especially EmPmR). Turn
161      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
162      if balancePrintMean, the imbalance that is substracted is printed to
163      STDOUT.
164    o fix bug (typo) in obcs_apply_eta.F
165    o add a new package shelfice which enables us to model the circulation
166      underneath shelf-ice with draughts of hundreds of meters.
167     - works
168     - to do: + include improved thermodynamics
169              + check whether kSurfC (from model/inc/SURFACE.h) can be used
170                instead of new field kTopC
171              + can we use topoFile, Ro_surf and existing code in ini_depth.F
172                instead of new field R_shelfIce and new code in ini_depth.F
173                and ini_mask_etc.F?
174              + adjust vertical mixing schemes?
175    o seaice pkg:
176     - add a cpp-flag to include a simple formula for a salinity dependent
177       freezing point of sea water at the surface
178     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
179       meridional stresses are now different (and hopefully correct)
180    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
181       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
182       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
183    o pkg/diagnostics: add options and parameters for regional-statistics
184       diagnostics ; define regions by reading a region-mask from a file
185       (might add other options later)
186    o pkg/bulk_force:
187     - add option and parameters to use AIM surface-flux formulae.
188     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
189       others forcing fields (defined in PARM05, parameter file "data") are loaded
190       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
191     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
192     - use the right EXCH call for uwind,vwind (to work on CS-grid).
193     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
194       and parameters (note: calcWindStress replaces .NOT.readwindstress).
195     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
196    
197    checkpoint58
198    o add "--embed-source" option to genmake2 which, when the supporting
199      tools can be compiled (as determined by genmake2) will turn on the
200      embed_files package which then embeds the entire MITgcm source code
201      (*.[fFhc] + Makefile) used for the build within the executable
202      - requested by CNH but off by default
203      - adds a paltry <9MB to the mitgcmuv executable in most cases
204      - only writes the output when useEMBEDSRC in eedata is true
205    o clean up 3-dim. relaxation codes:
206      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
207      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
208      * Thanks to Tom Haine for testing!
209    
210    checkpoint57z_post
211    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
212      affects output (@ truncation level) of exp. plume_on_slope ; updated.
213    o fix the pickup behavior for obcs in combination with ptracers
214    o fix a bug in ptracers_external_fields_load
215    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
216      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
217    o transfered surface NH pressure to eta field (if exactConserv).
218    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
219         and update lab_sea output.txt file.
220    o completing 3-dim. relaxation code: additional term
221         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
222      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
223      * At compile time, in "EXF_OPTIONS.h" set
224          #define  ALLOW_CLIMTEMP_RELAXATION
225          #define  ALLOW_CLIMSALT_RELAXATION
226      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
227          tauThetaClimRelax3Dim = 15552000.0,
228          tauSaltClimRelax3Dim  = 15552000.0,
229      * 3 cases:
230          1) Use a constant-in-time 3-dim. field
231          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
232          3) Real-time relax. to time-evolving prescribed field
233    o Adding Laplacian-type smoothness constraint on
234      initial and boundary (forcing) controls (ic, bc)
235      * enable at compile-time via
236        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
237      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
238      * Absolute scale somewhat unclear so far
239      * no area weighting was included since no other cost term does so far
240    
241    checkpoint57y_post
242    First step for a NLFS adjoint
243    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
244    o new init. routines for calc_r_star, calc_surf_dr
245    o still need to deal with ini_masks_etc
246    o testreport seemed happy
247    checkpoint57y_pre
248    
249    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
250    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
251    o add new offset feature to offline pkg (plus minor cleanup)
252    o cfc fixes for final year of integration
253    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
254      be in GCHEM_OPTIONS).
255    
256    checkpoint57x_post
257    o fix testreport Pb in multiple test experiment.
258    o cleanup our namelist syntax in verification:
259      - make it more F95 standards compliant (some work still needed)
260      - allows the vast majority of our tests to work with gfortran
261    o Non-Hydrostatic:
262     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
263     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
264    o Allow to apply AB on T,S rather than on AB(gT,gS):
265     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
266     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
267       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
268     - need a "clever" read_pickup to restart from the other AB formulation
269    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
270    o remove some unused variables (reduces number of compiler warnings)
271    o adjoint
272      * Disable useVariableViscosity for adjoint for time being
273        (there are a number of extensive recomputations)
274      * Initialize certain variables needed for adjoint
275    
276    checkpoint57w_post
277    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
278                 fix the singleCpuIO RS version of MDSWRITEFIELD
279       and add a WARNING if using globalFiles=T with multi-processors.
280    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
281      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
282    o tracer advection scheme:
283      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
284       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
285       was not very convenient).
286      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
287       (further tests needed for the implicit DST & Flux-Limiter schemes).
288    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
289      and sRef for convenience, handy, when you want to initialize
290      ptracers in a large domain with a constant non-zero value. Also,
291      untangle ptracers_init.F a little.
292    
293    checkpoint57v_post
294    o change dome exp. to use variable viscosity in side-drag terms.
295    o remove all the files from the cfc_offline test since they are now
296      incorporated into tutorial_cfc_offline which has been producing
297      identical results for a few days of testing
298    o add new parameter: sideDragFactor to enable half-slip-side BC
299      and change side-drag S/R to use viscosity from mom_calc_visc
300      (can switch back by setting sideDragFactor=0.); affects results at
301      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
302       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
303    o vorticity & strain are now computed without masking, to account for
304      no-slip-side BC in variable viscosity calculation ; mask is applied
305      anyway later on, before computing advection/coriolis terms.
306    o modify exp4 to test new obcs support for reading from external files
307      and for passive tracers
308    o fix behavior of ptracers_monitor when monitor output is written to a
309      netcdf-file; still not independent of monitor.F (writes in the same
310      file).
311    o change default value of tRef (put a uniform, meaningful value for ocean
312      & atmos) and initialize sRef (was missing, as Martin mentioned).
313    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
314      to be proportional to enstrophy dissipation length.  Thus,
315       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
316      This is now consistent with Smagorinsky and with the manual.
317    
318    checkpoint57u_post
319    o OBCS and PTRACERS: add open boundary support for passive tracers
320      - either use homogenous (pseudo) v.Neumann conditions or prescribe
321        OB-values from file; this is not different from the way theta and salinity
322        are treated
323      - however, Orlanski-radiation conditions are not supported, and the model
324        will stop if you use pTracers and Orlanski at the same time.
325      - beefed up the rountine obcs_external_fields_load: now only those open
326        boundary values are overwritten with values from files for which there
327        are really files, otherwise the OB-fields remain untouched. This makes
328        it possible to use different OBs at different ends of the domain (as
329        with EXF)
330    o reduce number of exch calls in shap_filt (s2).
331    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
332      truncation level) 4/5 MLAdjust test results (11&12 digits match).
333    
334    checkpoint57t_post
335    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
336    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
337      same truncation, independent of the face number: affects affects several
338      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
339    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
340      note that biharmonic viscosity + no-slip was not tested in any experiment.
341    o fix bug in non-linear free-surf side-drag ; generate new output for
342      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
343    o make mnc honor the writeBinaryPrec flag for most kinds of output
344    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
345    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
346      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
347    o add brackets in multi-terms sum to get same truncation, independent of
348      the face number (manage to get exactly same value of gU,gV at the cs-edge)
349      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
350    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
351      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
352      a maximum grid-scale Reynolds number.  Also, changes all length calculations
353      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
354      Suggested values of viscosity parameters found in mom_calc_visc.
355      Many new viscosity diagnostics available.
356    
357    checkpoint57s_post
358    o Add clearing-house for viscosity calculations, mom_calc_visc and
359      correct numerous bugs in LeithD and Smagorinsky discretizations.  
360      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
361      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
362      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
363      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
364      The Strain-Tension form is now called with useStrainTensonVisc=.true.
365      ViscAhStrain and viscAhTension are now retired.
366    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
367    o In response to JMC's bug report, genmake2 now ignores any soft-links
368      that it finds in the *current* directory when searching for files.
369      Soft-links found in any other source directories will still work as
370      they did before.
371    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
372      a C routine to unlimit the stack size
373    o mnc-ify pkg/aim snapshot vars
374    o mnc-ify pkg/land as requested by Daniel
375    o various changes to mnc including:
376      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
377      - output can now be grouped so that all files within a group
378          change the ITER portion of their names in lock-step together
379      - can now read ("global") PER-FACE (in addition to PER-TILE) files
380          and works with both EXCH1 and EXCH2 (but needs more testing)
381      - writing works for all verification test cases w/ g77 on Linux
382    
383    checkpoint57r_post
384    o make MNC variable initialization happen earlier
385    o add diagnostics for (almost) each term of the momentum Eq.
386    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
387    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
388    o remove MINIMAL_TAVE_OUTPUT option ;
389      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
390    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
391      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
392    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
393    o add time-dependent SST, SSS control
394    o cost terms in ecco/ modularized (new cost_generic.F)
395    o cost_averages routines are modularized (new cost_averagesgeneric.F)
396    o new infrastructure for seaice model vs. obs misfits in seaice/
397      * driver from the_main_loop.F is seaice_cost_driver.F
398      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
399      * gradient check in Exp. 6a of natl_box_adjoint/
400    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
401      (see README file)
402    
403    checkpoint57q_post
404    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
405    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
406      - bug was reported by Jean-Michel and Ian Fenty
407    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
408      update exp. cpl_aim+ocn output.
409    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
410      Needed for high-res. runs with large global files
411      to be able to limit tapelev size
412    o Changed some tests for adjoint:
413      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
414      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
415      * global_ocean.90x40x15/ back to default 3-level checkpointing
416    o Modifications to enable scripted COMMON to MODULE conversion
417      * verification/OpenAD/code/ has necessary scripts and description;
418      * converts, compiles and runs successfully;
419    
420    checkpoint57p_post
421    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
422    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
423      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
424    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
425    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
426      (was already the case for dissipation with mom_vecinv,
427       and also the case for grad.PhiHyd when staggered-timeStep)
428      This will allow to put dissipation out-off the AB time-stepping.
429     Unfortunately, affects truncation error. Update output of exp. that "fails"
430      (cg2d matching number) and leave the others for later: front_relax(10),
431      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
432      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
433    
434    checkpoint57o_post
435    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
436      (2) its ready to be documented during the 20050801 DocFest
437    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
438      for ideal_2D_oce and lab_sea on linux_ia32_g77
439    o set to #undef CTRL_SET_OLD_MAXCVARS_30
440      in global1x1_tot/code_seaice_adj to access indices 32, 33
441      (worth another tag)
442    
443    checkpoint57n_post
444    o adding precip control xx_precip 32
445    o adding swflux control xx_swflux 33
446    o Replacing 10 forcing penalty cost routines by 1 generic.
447    o Implementing partitioning in time-mean and variable adjustment
448      for atmos. state.
449    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
450    o in natl_box_adjoint:
451      * updated exp 1 to 10
452        (but does not have time-mean vs. variable split results yet)
453    o updated global1x1/*_seaice_adj/
454      to incorporate latest changes
455    o enable useSingleCpuIO for mdsio vector routines
456      (applies in particular to tapelev I/O)
457    o removed inefficient K-loop in all active_file*control*.F
458    
459    checkpoint57m_post
460    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
461      and advect_cs (use EXCH-2 and standard cs-32 grid files).
462    o pkg/exch2: filling of face-corner halo regions is optional
463      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
464    
465    checkpoint57l_post
466     tag before updating tutorials (pre-release-2)
467    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
468       for output and interpolation of input fields onto model grid)
469    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
470       Affects results of exp. rotating_tank ; update output.txt.
471    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
472          and taking the square quantity and/or using a fraction-weight field.
473    o fix aim_diagnostics_init.F mate numbers.
474    o add mnc output capability to diagnostics/diagstat and update
475      our cvsignore files for the ACSII output generated
476    
477    checkpoint57k_post
478    o lab_sea now uses diagnostics package and provides a suite of
479      new EXF diagnostics output.
480    
481    checkpoint57j_post
482    o exf
483      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
484        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
485        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
486      * extended diagnostics output
487        - now includes all EXF variables
488        - hs, hl moved to common block
489        - separate S/R for diagnostics, called after ctrl vector is added
490        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
491        - EXFqnet contains true Qnet (i.e. includes qsw)
492      * updated verif. lab_sea, global_with_exf
493      * Rearranging hflux (exf_mapfields -> exf_getforcing)
494        to ensure that diagnostics sees a true EXFqnet
495    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
496    o diagnostics pkg: change pointers so that 1 diagnostic can be used
497      several times with different frequencies.
498    o mnc-ify the thsice package as requested by Daniel Enderton
499      - the monitor--MNC output needs work
500      - many attributes need to be added (most are currently blank)
501    o mnc-ify theaim_v23 package as requested by Daniel Enderton
502      - many attributes need to be added (most are currently blank)
503    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
504    o add Sadourny like discretization to the 4th.O vorticity advection scheme
505    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
506      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
507         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
508    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
509     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
510    
511    checkpoint57i_post
512    o Diagnostics package was changed: diagnostic allocation is now deactivated
513      by setting an empty file name in the namelist (used to be by setting 0 frequency)
514    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
515      add 1rst Order upwind vertical Shear.
516    o add a quick fix for A/B checkpointing in OFFLINE mode
517    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
518      end-run around the C/Fortran linking horror in eesup/src/timers.F
519    o added pkg/runclock: allows user to terminate run based on wall clock
520    o added non-hydrostatic scaling parameter: nh_am2
521    o pkg/my82: futile attempt to make results compiler-independent by adding
522      some "_d 0", etc. no effect.
523    o for mnc output, fill the 'T' coordinate var with myTime and create a
524      separate 'iter' variable for iteration count
525    o pkg/diagnostics:
526      add new capability: output of Global/Regional & per-level statistics ;
527      tested against monitor output (including land & thSIce) on various exp.
528    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
529    
530    checkpoint57h_done
531      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
532      data.diagnostics, data.gchem, data.ptracers) is done.
533    
534    o pkg/diagnostics: prepare for Global/Regional statistics.
535      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
536    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
537      and rename it: DIFFERENT_MULTIPLE
538    
539    checkpoint57h_post
540    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
541    o pkg/diagnostics: change output frequency, now in seconds (instead
542      of Nb of iterations). This requires to change data.diagnostics.
543    checkpoint57h_pre
544    
545    o in mnc, let the user create the output dir if both mnc_outdir_date
546      and mnc_outdir_num are false
547    o add fflags() to pkg/diagnostics which allows one to specify, on a
548      per-file basis, the file precision [default behavior is unchanged]
549    o added diagnostics to pkg/kpp, including computation of mixed layer
550      depth based on a temperature/density criterion
551    o updated verification/natl_box to test the new pkg/kpp diagnostics
552    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
553    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
554    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
555      not mnc -- this mistake was found by JMC and is now corrected
556    
557    checkpoint57g_post
558    o add Adams-Bashforth 3rd Order time stepping:
559      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
560      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
561    checkpoint57g_pre
562    
563    o make lambda[Theta,Salt]ClimRelax spatially varying
564      (default remains spatially uniform constant based on tau)
565    o added new control variables
566      * init. uVel, vVel, etanN
567      * lambda[Theta,Salt]ClimRelax
568    o separate masks used for ctrl_pack/unpack 'from write_grid' output
569      (suggested by G. Forget)
570    
571    checkpoint57f_post
572    o add parameter "baseTime" = model base time = time at iteration zero
573      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
574      account for baseTime shift
575    o move Coriolis arrays from PARAMS.h to GRID.h
576    checkpoint57f_pre
577    
578    o mnc-ifying the seaice package
579    o introduced an alternative length scale calculation for use in the limiting
580      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
581    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
582    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
583      as well as grad(vort3).  Made it compatible with both approximate form
584      for the cubed sphere and full form of these gradients.  Added flag
585      useFullLeith to select between approximate and full form.  
586    o add "d0" in getcon.F to reduce differences between compilers/platforms
587      update output.txt of exp. fizhi-gridalt-hs
588    o change port_rand funtion to allow to set the seed.
589    o fix obscure MNC bug involving conversion between reals and integers
590      - it caused no problems with certain (eg. gcc, ifc) compilers but the
591        new version is now more standards-compliant
592    o adjoint-related modifications
593      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
594      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
595      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
596    
597    checkpoint57e_post
598    o Adding eddy stress controls a la Ferreira et al.
599    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
600    
601    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
602      update output.txt of exp. fizhi-gridalt-hs
603    o add more "Z" dimensions and associated coordinate vars to MNC
604    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
605    o parameter calendarDumps: when set, approximate months (30-31 days) and years
606      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
607      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
608      months and years.  Requires pkg/cal.
609    o diagnostics: add pickup functionality
610      - off by default for backwards compatibility
611      - current version only uses MDSIO -- MNC will be added
612    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
613    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
614    
615    checkpoint57d_post
616    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
617    o modify verification/ideal_2D_oce so that it tests the creation of mnc
618      output from the diagnostics package
619    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
620    o make genmake2 more portable by using ".$FS" instead of ".f" for more
621      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
622    o add coordinate variables to the MNC output from the diagnostics package
623    o change MNC-flags default value: true when useMNC=TRUE
624    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
625      the ability (off by default) to read the grid information using MNC
626    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
627    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
628    o do snap-shot diagnostics at the middle of the time-interval (instead of
629      at the end).
630    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
631      new test for AIM with thSIce + slab-ocean
632    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
633    o move state variable diagnostics to the beginning of the time step ;
634      (note: still needs some work specially for snap-shot diagnostics)
635      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
636    
637    checkpoint57c_post
638    o Change testing option (-ieee) to get closer agreement between g77 & ifort
639    o generate new output.txt files on faulks with g77 & the new -ieee option
640    checkpoint57c_pre
641    
642    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
643      update output.txt of exp. global_ocean.90x40x15
644    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
645      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
646    o add saltFlux(+File) forcing capability with periodicExternalForcing
647    o allow to use pkg diagnostics for GM-Redi & ThSIce output
648    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
649    o improvements for the MNC output from DIAGNOSTICS:
650      - correct handling of the unlimitied dimension
651      - all dims now have associated coordinate variables
652      - variables located at U, V, and Corner ("Z") points are now written
653        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
654        *all* data points are output
655    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
656    o added pkg/seaice/seaice_monitor.F
657    o mdsio_readfield.F can now read files visible only to master MPI process.
658    o pkg/seaice: some test code for ice-modified ocean stress
659    o exf_getffields interpolation defaults to bilinear for all scalar forcing
660      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
661      spurious negative numbers for precipitation and humidity.  Will cause
662      some small numerical differences for integrations using pkg/exf/exf_interp.F.
663    o pkg/ctrl/
664      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
665        May be enabled via doPackDiag
666      *  introduce z-scaling of
667         + gradient (doZscalePack) and
668         + control (doZscaleUnpack)
669    o pkg/mdsio/
670      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
671      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
672    
673    checkpoint57b_post
674    o simplify options in diagnostics_fill arguments (remove weird combinations)
675    o fix MNC coordinate variables so that they now contain per-face index
676      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
677      general, EXCH2 grids are only aligned to a "local" coordinate system
678    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
679    o Implement instantaneous output within pkg diagnostics:
680      setting a negative frequency in data.diagnostics produces
681     "snap-shot" output (as opposed to time-average if freq > 0)
682    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
683      NOTE: change ptracer diagnostics name: use 2 characters to work with
684            more than 9 tracers. Add also diagnostics of advect & diffus flux.
685    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
686      becomes the coordinate variable for the 'T' dimension
687    o add CF-style coordinate variables to MNC
688      - just a first cut:  numbers are meaningless on the cubesphere and
689        missing along the T axis but otherwise it works!
690    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
691    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
692    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
693      this is based directly on what the model compute, so that the content of
694      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
695    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
696    o clean up build options files for SunOS, in particular
697      - remove -traditional from xmakedepend
698      - change -xarch=v9 to -xarch=native for f77
699      - restore use of make (not gmake)
700      - add CC=gcc if using g77
701    o changes per discussion of AM, JMC, & EH3 today:
702      - move redundant "grid" variables out of "state" -- in preparation of
703        creating proper CF-style coordinate variables and in recognition
704        that any/all grid variables can be easily copied (eg. w/NCO) from
705        the grid files into any of the other NetCDF files
706      - *always* output grid variables with MDSIO (this will eventually be
707        changed)
708      - output MNC grid file if useMNC is true
709    o every instance of _END_MASTER() has been found and replaced with
710      _END_MASTER( myThid ) in order to satisfy certain picky Sun
711      preprocessors
712    o re-arrange diagnostics pkg initialisation:
713     - allow each package to extend the available diagnostics list
714     - add some checking and fix small problems (multi-threaded, ...)
715     - new S/R diagnostics_fill (replace fill_diagnostics):
716       look through the short list of active diag. (instead of the long list)
717       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
718    
719    checkpoint57a_post
720    o this set of changes restores TAMC compatibility
721      tested for global_ocean.90x40x15 adjoint on trough
722      (what a pain)
723    
724    checkpoint57a_pre
725    o some modifs in tools/build_options for sunos
726    o call ctrl_pack for ctrl at end for optimcycle=0
727    
728    checkpoint57
729    o add horizontal bi-harmonic viscosity for vertical velocity
730      - new parameter viscA4W (defaults to viscA4)
731      - affects only non-hydrostatic code
732      - to be done: no-slip lateral boundary conditions
733    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
734    o implement Implicit Vertical advection for pTracers
735    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
736      (implemented also for implicit vertical diffusion & advection)
737    o OBCS: extend application of tracer open boundary conditions
738      to a strip beyond the boundary of width Olx/Oly
739    o add call monitor to TAF set of required calls (flow directives)
740      and include in natl_box_adjoint
741    o untangle a few ifdefs related to cost, ctrl, autodiff
742      untangel a few ALLOW_ECCO_OPTIMIZATION
743    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
744      (theta2, salt2 in ecco_cost_weights)
745    
746    checkpoint56c_post
747    o OBCS as control variables
748      - update ctrl_ad_diff.list, obcs_ad_diff.list
749      - remove balance of obcs controls from default
750      - fix index bug nobcs in ctrl_init
751      - fix dummy fields filen in ctrl_pack
752      - add dummy weights for obcs
753    o lsopt: comment out fort.94 output
754    o optim:
755      - remove unnecessary header files
756      - adjusted namelists
757      - add xerbla.F to Makefile
758    o exf:
759      - multiple modifications of exf_check_range
760      - unit change in exf_init_runoff from [m/year] to [m/s]
761    o mdsio:
762      - i/o-vector change debugLevel from debLevA to debLevB
763    
764    checkpoint56b_post
765    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
766      is called from DO_THE_MODEL_IO
767      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
768      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
769      - clean up PTRACERS_WRITE_TIMEAVE a little
770    o add another verification experiment that tests both the cfc-pkg and
771      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
772      reactive tendencies treated inline with regular timestepping
773    o testreport previously did a lousy job of comparing small numbers, so
774      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
775      implemented in the little c-progam tmp_cmpnum.c which is embedded in
776      testreport.
777    o ptracers_monitor: bug fix for MPI
778    
779    checkpoint56a_post
780    o GCHEM: finish reorganizating the package
781      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
782        (introduces another 3D-array for each passive tracer, but only if
783        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
784        gchemTendency is not needed because the timestep is done separately)
785      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
786      - GCHEM is now---more or less cleanly---separate from PTRACERS
787      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
788        so clear to me how that should be done in a general way.
789    o CFC: improve formatting of output in CFC_ATMOS
790    o PTRACERS:
791      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
792        that ALL experiments with ptracers enable can be checked. This makes
793        GCHEM_MONITOR obsolete.
794      - include a runtime parameter PTRACERS_monitorFreq that defaults to
795        monitorFreq
796      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
797    o add PTRACERS (PTR0[1-5]) to testreport output
798    o exf_check_range:
799      * default changed to .TRUE.
800      * will check values for niter0 if debLevA, every timestep if debLevB
801      * STOP in exf_check_range if 'out of range'
802      * range chosen generous to allow for potential extema
803      TBD: a version with stricter range
804           permitted range would be runtime parameters
805    o GMredi:
806      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
807      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
808      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
809    o GCHEM:
810      - move call to GCHEM_FORCING_SEP, so that it is now called before
811        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
812      - introduced a useGCHEM runtime flag and applied it everywhere.
813      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
814        this flag is now only visible within GCHEM-pkg routines.
815      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
816        be replaced by a 3D array that is computed before thermodynamics; for
817        this, the tracer ID iTracer had to be included into the parameter list
818        of ptracers_forcing
819      - set up forward_step to call gchem_forcing, that will replace
820        gchem_forcing_int in ptracers_forcing
821      - cleaning up
822    o small cleaning of exch2: remove files that are also in eesupp/src
823    
824    checkpoint56
825    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
826    o mnc: cleanup "full" files--fixes out-of-memory problem
827    o ECCO-GODAE
828      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
829      * fully merged and updated from SIO code
830        windstress sign change affects
831        - exf_inscal_[u/v]stress
832        - sign of xx_tau[u/v] adjustments
833        - signs in cost_scat
834      * ctrl_get_gen: avoid update of tau[u/v] for first few days
835      * natl_box_adjoint updated and compressed
836      * 2-level checkpoint switch added
837        (tested in EXP. 1 of natl_box_adjoint)
838      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
839    o SVD
840      * first complete, non-hacked version for SVD calculations
841      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
842        performed via direct access files admtlm_vector.it????
843        (via ctrl_[un]pack)
844      * optimcycle is used for ARPACK iteration counter
845        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
846      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
847        and add linear transforms where necessary
848      * controls are initial/final SST, SSS (can be extended; need to check
849        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
850    o mdsio: filename info to both stderr, stdout
851    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
852      from sign change
853    
854    checkpoint55j_post
855    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
856      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
857    o add consistent build directories and .cvsignore files to verification
858    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
859    o make all subroutines 30 or less characters in length for certain older
860      compilers to work (a thorough search only turns up two routines in
861      pkg/ptracers)
862    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
863      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
864    
865    checkpoint55i_post
866    o change arrays for total vertical diffusivity (2.D if explicit,
867      3.D if implicit) ; each ptracer uses its own background value.
868    o added mnc/NetCDF output capability to ocn_compon_interf
869      - added bits to verification/cpl_aim+ocn so that it can run on
870        ITRDA and other clusters without the mpirun "-wd" option
871    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
872      configuration
873    o give MNC the ability to create additional files rather than
874      exceeding a specified file size limit "MNC_MAX_FILESIZE"
875      - the default is just less than 2GB which is a practical limit
876        on many systems
877    o Compute the non-local term using either KPP vertical diffusivity (=default)
878       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
879    
880    checkpoint55h_post
881    o add verification test "vermix"
882    o remove all the *_ioinc flags and replace with the single global
883      outputTypesInclusive flag
884    o allow to set a vertical profile of vertical diffusivity for T & S
885    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
886    o useMNC moved from data.mnc to data.pkg
887    
888    checkpoint55g_post
889    o Renaming carbon AD experiments to comply with testreport conventions
890    o Updating adjoint of Held-Suarez hs94.1x64x5
891    o Fixing directives for non-ECCO forward_step, after ECCO directives
892      have been fixed to avoid recomp. of do_oceanic_phys
893      Works well for global_ocean.90x40x15,
894      but recomp. issue remains for carbon
895    o Updating adjoint output for natl_box_adjoint after
896      pkg/ecco has been modified (see taga c55d_post)
897    
898    checkpoint55f_post
899    o rename to timeave_init_fixed
900    
901    checkpoint55e_post
902    o some delicate re-shuffle of store directives to avoid one
903      extra call of do_oceanic_physics
904      affects ecco_the_main_loop.F, do_oceanic_physics.F
905      checkpoint_lev1_directives.h
906    o NB: this may break global_ocean adjoint temporarily,
907      but it is clear how to fix it. Will do later, need this now.
908    
909    checkpoint55d_post
910    o ECCO specific cost function terms (up-to-date with 1x1 runs)
911    o ecco_cost_weights is modified to 1x1 runs
912    o modifs to allow observations to be read in as
913      single file or yearly files
914    o enable to read exf forcing fields as either
915      single file or yearly files (flag useExfYearlyFields)
916    checkpoint55d_pre
917    
918    o switch between 2-level and 3-level checkpointing
919    o add ability of MNC to write local and "partial" (eg. 2D slices where
920      the full 3D field is never actually stored) arrays to NetCDF files
921      with the correct (that is, the complete multi-dimensional) set of
922      array indicies
923      - used in mom_vecinv() to write the diagFreq output
924      - tested (demonstrated) in verification/aim.5l_cs
925    o further mnc-ification
926      - add verification/lab_sea to the list with mnc setups
927      - fix undefined mnc v-names in cd_code
928      - add kpp to mnc output (both snapshot and timeave)
929    o non-hydrostatic code
930      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
931        in calc_gw.F
932      - defaults to viscAh
933      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
934        friction or Leith) in non-hydrostatic mode, as long as there is
935        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
936    o pkg/cost
937      extend simple cost functions to treat time mean quantities
938      (T,U,V) via cost_accumulate_state from cost_tile
939    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
940        be 2 times larger than the minimum size the advection scheme requires.
941        now get a perfect conservation of salt in advect_cs test-exp (updated)
942    o GGL90 (Gaspar's TKE mixed layer)
943      - add horizontal diffusion of TKE, requires exchanges in
944        do_fields_blocking_exchanges, horizontal diffusivity is zero by
945        default. In OPA there is no horizontal diffusion of TKE but the
946        mixing coefficients are computed from a horizontal average of TKE of
947        6 points or so. I think that diffusion has a little more physical
948        justification.
949      - clean up ggl90_calc in the hope of reducing memory usage (this hope
950        was in vain)
951      - mask tke-variable in ggl90_init
952    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
953    o fix biharmonic diffusion on CS-grid.
954    o more obcs stuff
955      - added obcs_external_fields_load as an alternative to the EXF-pkg option
956        for reading boundary values. This routine is called from
957        obcs_prescribe_read
958      - updated obcs_check
959      - changed sponge layer relaxation parameter units for days to seconds
960      - turned off sponge layer by default
961      - changed argument list of OBCS_CALC to myTime+deltaTclock
962      - fixed about 35 bugs in obcs_external_fields_load
963    
964    checkpoint55c_post
965    o obcs stuff
966      - new runtime flags useOBCSprescribe, useOBCSbalance
967      - re-arranged obcs_calc
968      - moved exf_getobcs to obcs_prescibe_read
969        obcs_prescibe_read is called after ORLANSKI stuff
970        and independent of it (executable can contain all).
971      - updated obcs_check
972      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
973        These may be necessary only if tangential velocities are
974        prescribed at OB, not sure, needs testing.
975    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
976      which simplifies the calls and passes the ifc check-bounds test
977    
978    checkpoint55b_post
979    o add a 2D scalar, Z location, exchange_2 routine.
980    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
981      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
982      affects advect_cs results (for the wrong reason): update output.txt
983    o use a more standard discretization for biharmonic viscosity ;
984     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
985      affects results of dome set-up: update output.txt
986    o fix gad_advection.F (CubedSphere part), back to version 1.23
987    o fix bug in mom_vi_del2uv.F (CubedSphere part).
988    
989    checkpoint55a_post
990    o merged code to
991      * prescribe/read time-dependent open boundaries
992        (works in conjunction with exf, cal)
993      * sponge layer code for open boundaries
994      * each boundary N/S/E/W now has its own CPP option
995        (healthy for the adjoint)
996    
997    checkpoint55
998    o up-to-date adjoint of previous breaks
999      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1000      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1001      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1002      - carbon: * remove tr1-related adjoint verification
1003                * add ptracer as control variable
1004    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1005      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1006    
1007    checkpoint54f_post
1008    o in verification/carbin/ remove experiment related to
1009      ALLOW_PASSIVE_TRACER (array tr1 etc)
1010      code_ad/ input_ad/ results_ad
1011    
1012    o add two new packages
1013      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1014        + subject to optimization (memory)
1015      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1016        + subject to reordering (many GOTOs in the original code)
1017        + so far opps is called for every (i,j) point, and then operates in
1018          the vertical; one may want to reorder the scheme in order operate in
1019          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1020          fields)
1021    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1022      - all verification tests compile and run with linux_ia32_g77
1023      - defaults are compatible with current input files--nothing
1024        should change if you were not previously using MNC
1025      - MNC output has been added in numerous places (eg. timeave)
1026        but there are still a few writes not yet do-able with MNC
1027        (this is in progress)
1028      - flags now allow for either/or/both use of MDSIO and MNC and
1029        documentation will soon follow
1030      - numerous small formatting cleanups for ProTeX
1031    o add version info (via BUILD_INFO.h) to MNC and stdout
1032    
1033    checkpoint54e_post
1034    o add two new packages
1035      - pp81 (Packanowski and Philander, 1981), Richardson number and
1036        stratification dependent mixing
1037      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1038      - these scheme operate in a similar manner as KPP (without ghat, of
1039        course), however there is only one diffusivity that is used for both
1040        temperature and salinity (and passive tracers)ç
1041    o add offline package
1042    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1043      provided by Stephanie Dutkiewicz
1044    o genmake2: add ability to search for C compilers and cleanup test output
1045      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1046    
1047    checkpoint54d_post
1048    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1049    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1050      leading to additional shift by 5 days each year of integration
1051       (i.e. leading to considerable offset over the years)
1052    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1053    o start with no AB and no initial filtering (staggerTimeStep):
1054      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1055    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1056      (external loading & cpl import/export stay in forward_step.F)
1057    o update coupling interface to work with new staggerTimeStep
1058    o change MDSIO ptracers_pickup.
1059    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1060    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1061    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1062    
1063    checkpoint54c_post
1064    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1065      this affects (truncation error) output.txt of test-exp:
1066       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1067    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1068    o change Qnet to always be the net heat flux, (+upward).
1069      affects (truncation error) output of natl_box exp.: updated
1070    o define the max number of passive tracers in PTRACERS_SIZE.h
1071    o start to test mnc routinely in exp0
1072    o add sea-ice loading (sIceLoad) as a new forcing field.
1073    
1074    checkpoint54b_post
1075    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1076       impressive on Altix and Opteron systems)
1077    o diagnostics can now write NetCDF files through the mnc package
1078    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1079    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1080    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1081      affects (truncation error) output of lab_sea & natl_box exp.: updated
1082    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1083    
1084    checkpoint54a_post
1085    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1086    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1087    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1088    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1089      + internal_wave (shift in writing cg2d_ini_res)
1090    checkpoint54a_pre
1091    
1092    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1093      - modified verification/lab_sea and natl_box_adjoint accordingly
1094    
1095    checkpoint54
1096    checkpoint53g_post
1097    o prepare splitting of thermodynamics: store convect.counter in common block
1098    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1099      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1100    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1101    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1102    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1103    o restore adjointability
1104    
1105    checkpoint53f_post
1106    o modifications that affect AIM experiment results (update output.txt):
1107      - no advection of S at top interface Nr (pkg/generic_advdiff)
1108      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1109    o AIM pkg:
1110      - include stability function into surf.Flux derivative relative to Tsurf
1111      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1112    
1113    checkpoint53e_post
1114    o merged cylindrical coord configuration
1115    o added rotating_tank experiment
1116    checkpoint53e_pre
1117    
1118    checkpoint53d_post
1119    o faulks upgraded: re-generate output.txt that have changed:
1120       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1121    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1122    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1123    o added Sadourny discretization of Coriolis
1124      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1125      - re-enabled use of omega3 (useAbsVorticity)
1126    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1127      vector-invariant equations
1128      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1129    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1130      hopefully without new bugs
1131      - still to do: biharmonic friction for non-hydrostatic w
1132    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1133    o regenerated output for global_ocean_ebm (using -ieee)
1134    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1135      of mom_common/
1136      - simple re-arrangement of instructions within computing loop
1137    checkpoint53d_pre
1138    
1139    checkpoint53c_post
1140    o new version of coupler for AIM+thSIce and Ocean models
1141     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1142     - land: change Evaporation of snow
1143     - aim with thSIce: fix bug in snow-precip.
1144    o changes to calc_gw.F
1145     - bug fix for w^2 term near the bottom boundary
1146     - (hopefully) improve the lateral slip boundary condtions for use with
1147        partial/looped cells
1148      - because the bug fix changes two verification experiments anyway (exp5
1149        and plume on slope), change the lateral boundary condition from half slip
1150        to the value of no_slip_sides
1151    o ebm package wasnt quite up to the parallel task. Fixed that.
1152    o Adjoint of EBM package + verification
1153      * TLM OK
1154      * ADM not sufficient accuracy yet (needs further testing)
1155    
1156    checkpoint53b_post
1157    o Commiting new energy balance model to repository
1158      * package is pkg/ebm
1159      * verif. is verification/global_ocean_ebm
1160      * references are in ebm_driver.F
1161    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1162    C        Global thermohaline circulation. Part I:
1163    C        Sensitivity to atmospheric moisture transport.
1164    C        J. Climate 12(1), 71-82
1165    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1166    C        Global thermohaline circulation. Part II:
1167    C        Sensitivity with interactive transport.
1168    C        J. Climate 12(1), 83-91
1169    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1170    C        Destabilization of the thermohaline circulation
1171    C        by atmospheric eddy transports.
1172    C        J. Climate 7(12), 1870-1882
1173    o Will need long integration testing.
1174    checkpoint53b_pre
1175    
1176    o created pkg/mom_common in preparation for variable viscosity code
1177    o renamed and split ini_mnc_io
1178    o pkg/land: only liquid water can diffuse or run-off
1179    o AIM using land: soil wetness availability account for snow
1180    o added printMapIncludesZeros to EEPARMS namelist
1181    
1182    checkpoint53a_post
1183    o restore TAMC compatiility for exf_constants.h
1184      (no usage of _d in .h)
1185    o Additional storing in KPP in an attempt to fix
1186      TAMC problem with adjoint of KPP code.
1187      (no success...)
1188      Identical code works fine with TAF.
1189    o Fixed verification/natl_box_adjoint experiments.
1190      Initial conditions for Experiments 4 and 5 are now
1191      set to "SEAICE_initialHEFF=0", which is more reasonable,
1192      and hence gives results closer to that of Experiment 2.
1193      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1194    
1195  checkpoint53  checkpoint53
1196  o stable checkpoint with up to date adjoint  o stable checkpoint with up to date adjoint
1197    TLM tests only run for 1st grdchk at the moment. Its unclear if    TLM tests only run for 1st grdchk at the moment. Its unclear if

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