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revision 1.287 by dimitri, Wed May 5 00:23:37 2004 UTC revision 1.613 by mlosch, Thu Feb 16 10:42:31 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 seaice advection: add code for choosing between the default (2nd order
8      central differences) and multiDim advection schemes provided by
9      pkg/generic_advdiff
10    o seaice:
11      - removed all references to SEAICE_GRID.h fields from
12        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
13        (cubed-sphere configuration will change a little)
14      - grid computations in seaice_init are obsolete now.
15      - cleaned up code a little so that is easier to read (hopefully).
16      - added new (better?) discretizations of default advection and diffusion
17        (turn on with SEAICEuseFluxForm)
18      - replace 1 in 3d global fields by kSurface in growth.F
19      
20    checkpoint58a_post
21    o seaice:
22      - bug fix in advect.F
23    o shelfice:
24      - separate shelfice load anomaly from pload (breaks with time
25        dependent forcing), => introduce constant field shelficeLoadAnomaly.
26        Its default is 0., but it may be computed more cleverly from (unknown)
27        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
28        done offline. A good approximation of the pressure load anomaly is
29        necessary to avoid large initial adjustment processes underneath
30        deep-reaching shelfice.
31      - small fix in ISOMIP shelfice_thermodynamics
32      - add more sophisticated thermodynamics of Hellmer (1989), this is
33        now the default
34      - give a few constants more intuitive names
35    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
36      if bulk formulae are used in long integration (especially EmPmR). Turn
37      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
38      if balancePrintMean, the imbalance that is substracted is printed to
39      STDOUT.
40    o fix bug (typo) in obcs_apply_eta.F
41    o add a new package shelfice which enables us to model the circulation
42      underneath shelf-ice with draughts of hundreds of meters.
43     - works
44     - to do: + include improved thermodynamics
45              + check whether kSurfC (from model/inc/SURFACE.h) can be used
46                instead of new field kTopC
47              + can we use topoFile, Ro_surf and existing code in ini_depth.F
48                instead of new field R_shelfIce and new code in ini_depth.F
49                and ini_mask_etc.F?
50              + adjust vertical mixing schemes?
51    o seaice pkg:
52     - add a cpp-flag to include a simple formula for a salinity dependent
53       freezing point of sea water at the surface
54     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
55       meridional stresses are now different (and hopefully correct)
56    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
57       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
58       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
59    o pkg/diagnostics: add options and parameters for regional-statistics
60       diagnostics ; define regions by reading a region-mask from a file
61       (might add other options later)
62    o pkg/bulk_force:
63     - add option and parameters to use AIM surface-flux formulae.
64     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
65       others forcing fields (defined in PARM05, parameter file "data") are loaded
66       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
67     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
68     - use the right EXCH call for uwind,vwind (to work on CS-grid).
69     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
70       and parameters (note: calcWindStress replaces .NOT.readwindstress).
71     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
72    
73    checkpoint58
74    o add "--embed-source" option to genmake2 which, when the supporting
75      tools can be compiled (as determined by genmake2) will turn on the
76      embed_files package which then embeds the entire MITgcm source code
77      (*.[fFhc] + Makefile) used for the build within the executable
78      - requested by CNH but off by default
79      - adds a paltry <9MB to the mitgcmuv executable in most cases
80      - only writes the output when useEMBEDSRC in eedata is true
81    o clean up 3-dim. relaxation codes:
82      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
83      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
84      * Thanks to Tom Haine for testing!
85    
86    checkpoint57z_post
87    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
88      affects output (@ truncation level) of exp. plume_on_slope ; updated.
89    o fix the pickup behavior for obcs in combination with ptracers
90    o fix a bug in ptracers_external_fields_load
91    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
92      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
93    o transfered surface NH pressure to eta field (if exactConserv).
94    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
95         and update lab_sea output.txt file.
96    o completing 3-dim. relaxation code: additional term
97         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
98      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
99      * At compile time, in "EXF_OPTIONS.h" set
100          #define  ALLOW_CLIMTEMP_RELAXATION
101          #define  ALLOW_CLIMSALT_RELAXATION
102      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
103          tauThetaClimRelax3Dim = 15552000.0,
104          tauSaltClimRelax3Dim  = 15552000.0,
105      * 3 cases:
106          1) Use a constant-in-time 3-dim. field
107          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
108          3) Real-time relax. to time-evolving prescribed field
109    o Adding Laplacian-type smoothness constraint on
110      initial and boundary (forcing) controls (ic, bc)
111      * enable at compile-time via
112        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
113      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
114      * Absolute scale somewhat unclear so far
115      * no area weighting was included since no other cost term does so far
116    
117    checkpoint57y_post
118    First step for a NLFS adjoint
119    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
120    o new init. routines for calc_r_star, calc_surf_dr
121    o still need to deal with ini_masks_etc
122    o testreport seemed happy
123    checkpoint57y_pre
124    
125    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
126    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
127    o add new offset feature to offline pkg (plus minor cleanup)
128    o cfc fixes for final year of integration
129    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
130      be in GCHEM_OPTIONS).
131    
132    checkpoint57x_post
133    o fix testreport Pb in multiple test experiment.
134    o cleanup our namelist syntax in verification:
135      - make it more F95 standards compliant (some work still needed)
136      - allows the vast majority of our tests to work with gfortran
137    o Non-Hydrostatic:
138     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
139     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
140    o Allow to apply AB on T,S rather than on AB(gT,gS):
141     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
142     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
143       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
144     - need a "clever" read_pickup to restart from the other AB formulation
145    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
146    o remove some unused variables (reduces number of compiler warnings)
147    o adjoint
148      * Disable useVariableViscosity for adjoint for time being
149        (there are a number of extensive recomputations)
150      * Initialize certain variables needed for adjoint
151    
152    checkpoint57w_post
153    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
154                 fix the singleCpuIO RS version of MDSWRITEFIELD
155       and add a WARNING if using globalFiles=T with multi-processors.
156    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
157      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
158    o tracer advection scheme:
159      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
160       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
161       was not very convenient).
162      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
163       (further tests needed for the implicit DST & Flux-Limiter schemes).
164    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
165      and sRef for convenience, handy, when you want to initialize
166      ptracers in a large domain with a constant non-zero value. Also,
167      untangle ptracers_init.F a little.
168    
169    checkpoint57v_post
170    o change dome exp. to use variable viscosity in side-drag terms.
171    o remove all the files from the cfc_offline test since they are now
172      incorporated into tutorial_cfc_offline which has been producing
173      identical results for a few days of testing
174    o add new parameter: sideDragFactor to enable half-slip-side BC
175      and change side-drag S/R to use viscosity from mom_calc_visc
176      (can switch back by setting sideDragFactor=0.); affects results at
177      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
178       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
179    o vorticity & strain are now computed without masking, to account for
180      no-slip-side BC in variable viscosity calculation ; mask is applied
181      anyway later on, before computing advection/coriolis terms.
182    o modify exp4 to test new obcs support for reading from external files
183      and for passive tracers
184    o fix behavior of ptracers_monitor when monitor output is written to a
185      netcdf-file; still not independent of monitor.F (writes in the same
186      file).
187    o change default value of tRef (put a uniform, meaningful value for ocean
188      & atmos) and initialize sRef (was missing, as Martin mentioned).
189    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
190      to be proportional to enstrophy dissipation length.  Thus,
191       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
192      This is now consistent with Smagorinsky and with the manual.
193    
194    checkpoint57u_post
195    o OBCS and PTRACERS: add open boundary support for passive tracers
196      - either use homogenous (pseudo) v.Neumann conditions or prescribe
197        OB-values from file; this is not different from the way theta and salinity
198        are treated
199      - however, Orlanski-radiation conditions are not supported, and the model
200        will stop if you use pTracers and Orlanski at the same time.
201      - beefed up the rountine obcs_external_fields_load: now only those open
202        boundary values are overwritten with values from files for which there
203        are really files, otherwise the OB-fields remain untouched. This makes
204        it possible to use different OBs at different ends of the domain (as
205        with EXF)
206    o reduce number of exch calls in shap_filt (s2).
207    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
208      truncation level) 4/5 MLAdjust test results (11&12 digits match).
209    
210    checkpoint57t_post
211    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
212    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
213      same truncation, independent of the face number: affects affects several
214      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
215    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
216      note that biharmonic viscosity + no-slip was not tested in any experiment.
217    o fix bug in non-linear free-surf side-drag ; generate new output for
218      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
219    o make mnc honor the writeBinaryPrec flag for most kinds of output
220    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
221    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
222      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
223    o add brackets in multi-terms sum to get same truncation, independent of
224      the face number (manage to get exactly same value of gU,gV at the cs-edge)
225      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
226    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
227      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
228      a maximum grid-scale Reynolds number.  Also, changes all length calculations
229      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
230      Suggested values of viscosity parameters found in mom_calc_visc.
231      Many new viscosity diagnostics available.
232    
233    checkpoint57s_post
234    o Add clearing-house for viscosity calculations, mom_calc_visc and
235      correct numerous bugs in LeithD and Smagorinsky discretizations.  
236      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
237      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
238      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
239      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
240      The Strain-Tension form is now called with useStrainTensonVisc=.true.
241      ViscAhStrain and viscAhTension are now retired.
242    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
243    o In response to JMC's bug report, genmake2 now ignores any soft-links
244      that it finds in the *current* directory when searching for files.
245      Soft-links found in any other source directories will still work as
246      they did before.
247    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
248      a C routine to unlimit the stack size
249    o mnc-ify pkg/aim snapshot vars
250    o mnc-ify pkg/land as requested by Daniel
251    o various changes to mnc including:
252      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
253      - output can now be grouped so that all files within a group
254          change the ITER portion of their names in lock-step together
255      - can now read ("global") PER-FACE (in addition to PER-TILE) files
256          and works with both EXCH1 and EXCH2 (but needs more testing)
257      - writing works for all verification test cases w/ g77 on Linux
258    
259    checkpoint57r_post
260    o make MNC variable initialization happen earlier
261    o add diagnostics for (almost) each term of the momentum Eq.
262    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
263    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
264    o remove MINIMAL_TAVE_OUTPUT option ;
265      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
266    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
267      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
268    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
269    o add time-dependent SST, SSS control
270    o cost terms in ecco/ modularized (new cost_generic.F)
271    o cost_averages routines are modularized (new cost_averagesgeneric.F)
272    o new infrastructure for seaice model vs. obs misfits in seaice/
273      * driver from the_main_loop.F is seaice_cost_driver.F
274      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
275      * gradient check in Exp. 6a of natl_box_adjoint/
276    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
277      (see README file)
278    
279    checkpoint57q_post
280    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
281    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
282      - bug was reported by Jean-Michel and Ian Fenty
283    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
284      update exp. cpl_aim+ocn output.
285    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
286      Needed for high-res. runs with large global files
287      to be able to limit tapelev size
288    o Changed some tests for adjoint:
289      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
290      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
291      * global_ocean.90x40x15/ back to default 3-level checkpointing
292    o Modifications to enable scripted COMMON to MODULE conversion
293      * verification/OpenAD/code/ has necessary scripts and description;
294      * converts, compiles and runs successfully;
295    
296    checkpoint57p_post
297    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
298    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
299      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
300    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
301    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
302      (was already the case for dissipation with mom_vecinv,
303       and also the case for grad.PhiHyd when staggered-timeStep)
304      This will allow to put dissipation out-off the AB time-stepping.
305     Unfortunately, affects truncation error. Update output of exp. that "fails"
306      (cg2d matching number) and leave the others for later: front_relax(10),
307      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
308      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
309    
310    checkpoint57o_post
311    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
312      (2) its ready to be documented during the 20050801 DocFest
313    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
314      for ideal_2D_oce and lab_sea on linux_ia32_g77
315    o set to #undef CTRL_SET_OLD_MAXCVARS_30
316      in global1x1_tot/code_seaice_adj to access indices 32, 33
317      (worth another tag)
318    
319    checkpoint57n_post
320    o adding precip control xx_precip 32
321    o adding swflux control xx_swflux 33
322    o Replacing 10 forcing penalty cost routines by 1 generic.
323    o Implementing partitioning in time-mean and variable adjustment
324      for atmos. state.
325    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
326    o in natl_box_adjoint:
327      * updated exp 1 to 10
328        (but does not have time-mean vs. variable split results yet)
329    o updated global1x1/*_seaice_adj/
330      to incorporate latest changes
331    o enable useSingleCpuIO for mdsio vector routines
332      (applies in particular to tapelev I/O)
333    o removed inefficient K-loop in all active_file*control*.F
334    
335    checkpoint57m_post
336    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
337      and advect_cs (use EXCH-2 and standard cs-32 grid files).
338    o pkg/exch2: filling of face-corner halo regions is optional
339      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
340    
341    checkpoint57l_post
342     tag before updating tutorials (pre-release-2)
343    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
344       for output and interpolation of input fields onto model grid)
345    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
346       Affects results of exp. rotating_tank ; update output.txt.
347    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
348          and taking the square quantity and/or using a fraction-weight field.
349    o fix aim_diagnostics_init.F mate numbers.
350    o add mnc output capability to diagnostics/diagstat and update
351      our cvsignore files for the ACSII output generated
352    
353    checkpoint57k_post
354    o lab_sea now uses diagnostics package and provides a suite of
355      new EXF diagnostics output.
356    
357    checkpoint57j_post
358    o exf
359      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
360        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
361        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
362      * extended diagnostics output
363        - now includes all EXF variables
364        - hs, hl moved to common block
365        - separate S/R for diagnostics, called after ctrl vector is added
366        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
367        - EXFqnet contains true Qnet (i.e. includes qsw)
368      * updated verif. lab_sea, global_with_exf
369      * Rearranging hflux (exf_mapfields -> exf_getforcing)
370        to ensure that diagnostics sees a true EXFqnet
371    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
372    o diagnostics pkg: change pointers so that 1 diagnostic can be used
373      several times with different frequencies.
374    o mnc-ify the thsice package as requested by Daniel Enderton
375      - the monitor--MNC output needs work
376      - many attributes need to be added (most are currently blank)
377    o mnc-ify theaim_v23 package as requested by Daniel Enderton
378      - many attributes need to be added (most are currently blank)
379    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
380    o add Sadourny like discretization to the 4th.O vorticity advection scheme
381    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
382      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
383         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
384    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
385     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
386    
387    checkpoint57i_post
388    o Diagnostics package was changed: diagnostic allocation is now deactivated
389      by setting an empty file name in the namelist (used to be by setting 0 frequency)
390    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
391      add 1rst Order upwind vertical Shear.
392    o add a quick fix for A/B checkpointing in OFFLINE mode
393    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
394      end-run around the C/Fortran linking horror in eesup/src/timers.F
395    o added pkg/runclock: allows user to terminate run based on wall clock
396    o added non-hydrostatic scaling parameter: nh_am2
397    o pkg/my82: futile attempt to make results compiler-independent by adding
398      some "_d 0", etc. no effect.
399    o for mnc output, fill the 'T' coordinate var with myTime and create a
400      separate 'iter' variable for iteration count
401    o pkg/diagnostics:
402      add new capability: output of Global/Regional & per-level statistics ;
403      tested against monitor output (including land & thSIce) on various exp.
404    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
405    
406    checkpoint57h_done
407      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
408      data.diagnostics, data.gchem, data.ptracers) is done.
409    
410    o pkg/diagnostics: prepare for Global/Regional statistics.
411      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
412    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
413      and rename it: DIFFERENT_MULTIPLE
414    
415    checkpoint57h_post
416    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
417    o pkg/diagnostics: change output frequency, now in seconds (instead
418      of Nb of iterations). This requires to change data.diagnostics.
419    checkpoint57h_pre
420    
421    o in mnc, let the user create the output dir if both mnc_outdir_date
422      and mnc_outdir_num are false
423    o add fflags() to pkg/diagnostics which allows one to specify, on a
424      per-file basis, the file precision [default behavior is unchanged]
425    o added diagnostics to pkg/kpp, including computation of mixed layer
426      depth based on a temperature/density criterion
427    o updated verification/natl_box to test the new pkg/kpp diagnostics
428    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
429    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
430    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
431      not mnc -- this mistake was found by JMC and is now corrected
432    
433    checkpoint57g_post
434    o add Adams-Bashforth 3rd Order time stepping:
435      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
436      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
437    checkpoint57g_pre
438    
439    o make lambda[Theta,Salt]ClimRelax spatially varying
440      (default remains spatially uniform constant based on tau)
441    o added new control variables
442      * init. uVel, vVel, etanN
443      * lambda[Theta,Salt]ClimRelax
444    o separate masks used for ctrl_pack/unpack 'from write_grid' output
445      (suggested by G. Forget)
446    
447    checkpoint57f_post
448    o add parameter "baseTime" = model base time = time at iteration zero
449      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
450      account for baseTime shift
451    o move Coriolis arrays from PARAMS.h to GRID.h
452    checkpoint57f_pre
453    
454    o mnc-ifying the seaice package
455    o introduced an alternative length scale calculation for use in the limiting
456      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
457    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
458    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
459      as well as grad(vort3).  Made it compatible with both approximate form
460      for the cubed sphere and full form of these gradients.  Added flag
461      useFullLeith to select between approximate and full form.  
462    o add "d0" in getcon.F to reduce differences between compilers/platforms
463      update output.txt of exp. fizhi-gridalt-hs
464    o change port_rand funtion to allow to set the seed.
465    o fix obscure MNC bug involving conversion between reals and integers
466      - it caused no problems with certain (eg. gcc, ifc) compilers but the
467        new version is now more standards-compliant
468    o adjoint-related modifications
469      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
470      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
471      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
472    
473    checkpoint57e_post
474    o Adding eddy stress controls a la Ferreira et al.
475    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
476    
477    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
478      update output.txt of exp. fizhi-gridalt-hs
479    o add more "Z" dimensions and associated coordinate vars to MNC
480    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
481    o parameter calendarDumps: when set, approximate months (30-31 days) and years
482      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
483      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
484      months and years.  Requires pkg/cal.
485    o diagnostics: add pickup functionality
486      - off by default for backwards compatibility
487      - current version only uses MDSIO -- MNC will be added
488    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
489    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
490    
491    checkpoint57d_post
492    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
493    o modify verification/ideal_2D_oce so that it tests the creation of mnc
494      output from the diagnostics package
495    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
496    o make genmake2 more portable by using ".$FS" instead of ".f" for more
497      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
498    o add coordinate variables to the MNC output from the diagnostics package
499    o change MNC-flags default value: true when useMNC=TRUE
500    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
501      the ability (off by default) to read the grid information using MNC
502    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
503    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
504    o do snap-shot diagnostics at the middle of the time-interval (instead of
505      at the end).
506    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
507      new test for AIM with thSIce + slab-ocean
508    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
509    o move state variable diagnostics to the beginning of the time step ;
510      (note: still needs some work specially for snap-shot diagnostics)
511      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
512    
513    checkpoint57c_post
514    o Change testing option (-ieee) to get closer agreement between g77 & ifort
515    o generate new output.txt files on faulks with g77 & the new -ieee option
516    checkpoint57c_pre
517    
518    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
519      update output.txt of exp. global_ocean.90x40x15
520    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
521      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
522    o add saltFlux(+File) forcing capability with periodicExternalForcing
523    o allow to use pkg diagnostics for GM-Redi & ThSIce output
524    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
525    o improvements for the MNC output from DIAGNOSTICS:
526      - correct handling of the unlimitied dimension
527      - all dims now have associated coordinate variables
528      - variables located at U, V, and Corner ("Z") points are now written
529        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
530        *all* data points are output
531    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
532    o added pkg/seaice/seaice_monitor.F
533    o mdsio_readfield.F can now read files visible only to master MPI process.
534    o pkg/seaice: some test code for ice-modified ocean stress
535    o exf_getffields interpolation defaults to bilinear for all scalar forcing
536      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
537      spurious negative numbers for precipitation and humidity.  Will cause
538      some small numerical differences for integrations using pkg/exf/exf_interp.F.
539    o pkg/ctrl/
540      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
541        May be enabled via doPackDiag
542      *  introduce z-scaling of
543         + gradient (doZscalePack) and
544         + control (doZscaleUnpack)
545    o pkg/mdsio/
546      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
547      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
548    
549    checkpoint57b_post
550    o simplify options in diagnostics_fill arguments (remove weird combinations)
551    o fix MNC coordinate variables so that they now contain per-face index
552      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
553      general, EXCH2 grids are only aligned to a "local" coordinate system
554    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
555    o Implement instantaneous output within pkg diagnostics:
556      setting a negative frequency in data.diagnostics produces
557     "snap-shot" output (as opposed to time-average if freq > 0)
558    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
559      NOTE: change ptracer diagnostics name: use 2 characters to work with
560            more than 9 tracers. Add also diagnostics of advect & diffus flux.
561    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
562      becomes the coordinate variable for the 'T' dimension
563    o add CF-style coordinate variables to MNC
564      - just a first cut:  numbers are meaningless on the cubesphere and
565        missing along the T axis but otherwise it works!
566    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
567    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
568    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
569      this is based directly on what the model compute, so that the content of
570      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
571    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
572    o clean up build options files for SunOS, in particular
573      - remove -traditional from xmakedepend
574      - change -xarch=v9 to -xarch=native for f77
575      - restore use of make (not gmake)
576      - add CC=gcc if using g77
577    o changes per discussion of AM, JMC, & EH3 today:
578      - move redundant "grid" variables out of "state" -- in preparation of
579        creating proper CF-style coordinate variables and in recognition
580        that any/all grid variables can be easily copied (eg. w/NCO) from
581        the grid files into any of the other NetCDF files
582      - *always* output grid variables with MDSIO (this will eventually be
583        changed)
584      - output MNC grid file if useMNC is true
585    o every instance of _END_MASTER() has been found and replaced with
586      _END_MASTER( myThid ) in order to satisfy certain picky Sun
587      preprocessors
588    o re-arrange diagnostics pkg initialisation:
589     - allow each package to extend the available diagnostics list
590     - add some checking and fix small problems (multi-threaded, ...)
591     - new S/R diagnostics_fill (replace fill_diagnostics):
592       look through the short list of active diag. (instead of the long list)
593       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
594    
595    checkpoint57a_post
596    o this set of changes restores TAMC compatibility
597      tested for global_ocean.90x40x15 adjoint on trough
598      (what a pain)
599    
600    checkpoint57a_pre
601    o some modifs in tools/build_options for sunos
602    o call ctrl_pack for ctrl at end for optimcycle=0
603    
604    checkpoint57
605    o add horizontal bi-harmonic viscosity for vertical velocity
606      - new parameter viscA4W (defaults to viscA4)
607      - affects only non-hydrostatic code
608      - to be done: no-slip lateral boundary conditions
609    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
610    o implement Implicit Vertical advection for pTracers
611    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
612      (implemented also for implicit vertical diffusion & advection)
613    o OBCS: extend application of tracer open boundary conditions
614      to a strip beyond the boundary of width Olx/Oly
615    o add call monitor to TAF set of required calls (flow directives)
616      and include in natl_box_adjoint
617    o untangle a few ifdefs related to cost, ctrl, autodiff
618      untangel a few ALLOW_ECCO_OPTIMIZATION
619    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
620      (theta2, salt2 in ecco_cost_weights)
621    
622    checkpoint56c_post
623    o OBCS as control variables
624      - update ctrl_ad_diff.list, obcs_ad_diff.list
625      - remove balance of obcs controls from default
626      - fix index bug nobcs in ctrl_init
627      - fix dummy fields filen in ctrl_pack
628      - add dummy weights for obcs
629    o lsopt: comment out fort.94 output
630    o optim:
631      - remove unnecessary header files
632      - adjusted namelists
633      - add xerbla.F to Makefile
634    o exf:
635      - multiple modifications of exf_check_range
636      - unit change in exf_init_runoff from [m/year] to [m/s]
637    o mdsio:
638      - i/o-vector change debugLevel from debLevA to debLevB
639    
640    checkpoint56b_post
641    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
642      is called from DO_THE_MODEL_IO
643      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
644      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
645      - clean up PTRACERS_WRITE_TIMEAVE a little
646    o add another verification experiment that tests both the cfc-pkg and
647      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
648      reactive tendencies treated inline with regular timestepping
649    o testreport previously did a lousy job of comparing small numbers, so
650      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
651      implemented in the little c-progam tmp_cmpnum.c which is embedded in
652      testreport.
653    o ptracers_monitor: bug fix for MPI
654    
655    checkpoint56a_post
656    o GCHEM: finish reorganizating the package
657      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
658        (introduces another 3D-array for each passive tracer, but only if
659        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
660        gchemTendency is not needed because the timestep is done separately)
661      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
662      - GCHEM is now---more or less cleanly---separate from PTRACERS
663      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
664        so clear to me how that should be done in a general way.
665    o CFC: improve formatting of output in CFC_ATMOS
666    o PTRACERS:
667      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
668        that ALL experiments with ptracers enable can be checked. This makes
669        GCHEM_MONITOR obsolete.
670      - include a runtime parameter PTRACERS_monitorFreq that defaults to
671        monitorFreq
672      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
673    o add PTRACERS (PTR0[1-5]) to testreport output
674    o exf_check_range:
675      * default changed to .TRUE.
676      * will check values for niter0 if debLevA, every timestep if debLevB
677      * STOP in exf_check_range if 'out of range'
678      * range chosen generous to allow for potential extema
679      TBD: a version with stricter range
680           permitted range would be runtime parameters
681    o GMredi:
682      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
683      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
684      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
685    o GCHEM:
686      - move call to GCHEM_FORCING_SEP, so that it is now called before
687        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
688      - introduced a useGCHEM runtime flag and applied it everywhere.
689      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
690        this flag is now only visible within GCHEM-pkg routines.
691      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
692        be replaced by a 3D array that is computed before thermodynamics; for
693        this, the tracer ID iTracer had to be included into the parameter list
694        of ptracers_forcing
695      - set up forward_step to call gchem_forcing, that will replace
696        gchem_forcing_int in ptracers_forcing
697      - cleaning up
698    o small cleaning of exch2: remove files that are also in eesupp/src
699    
700    checkpoint56
701    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
702    o mnc: cleanup "full" files--fixes out-of-memory problem
703    o ECCO-GODAE
704      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
705      * fully merged and updated from SIO code
706        windstress sign change affects
707        - exf_inscal_[u/v]stress
708        - sign of xx_tau[u/v] adjustments
709        - signs in cost_scat
710      * ctrl_get_gen: avoid update of tau[u/v] for first few days
711      * natl_box_adjoint updated and compressed
712      * 2-level checkpoint switch added
713        (tested in EXP. 1 of natl_box_adjoint)
714      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
715    o SVD
716      * first complete, non-hacked version for SVD calculations
717      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
718        performed via direct access files admtlm_vector.it????
719        (via ctrl_[un]pack)
720      * optimcycle is used for ARPACK iteration counter
721        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
722      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
723        and add linear transforms where necessary
724      * controls are initial/final SST, SSS (can be extended; need to check
725        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
726    o mdsio: filename info to both stderr, stdout
727    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
728      from sign change
729    
730    checkpoint55j_post
731    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
732      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
733    o add consistent build directories and .cvsignore files to verification
734    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
735    o make all subroutines 30 or less characters in length for certain older
736      compilers to work (a thorough search only turns up two routines in
737      pkg/ptracers)
738    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
739      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
740    
741    checkpoint55i_post
742    o change arrays for total vertical diffusivity (2.D if explicit,
743      3.D if implicit) ; each ptracer uses its own background value.
744    o added mnc/NetCDF output capability to ocn_compon_interf
745      - added bits to verification/cpl_aim+ocn so that it can run on
746        ITRDA and other clusters without the mpirun "-wd" option
747    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
748      configuration
749    o give MNC the ability to create additional files rather than
750      exceeding a specified file size limit "MNC_MAX_FILESIZE"
751      - the default is just less than 2GB which is a practical limit
752        on many systems
753    o Compute the non-local term using either KPP vertical diffusivity (=default)
754       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
755    
756    checkpoint55h_post
757    o add verification test "vermix"
758    o remove all the *_ioinc flags and replace with the single global
759      outputTypesInclusive flag
760    o allow to set a vertical profile of vertical diffusivity for T & S
761    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
762    o useMNC moved from data.mnc to data.pkg
763    
764    checkpoint55g_post
765    o Renaming carbon AD experiments to comply with testreport conventions
766    o Updating adjoint of Held-Suarez hs94.1x64x5
767    o Fixing directives for non-ECCO forward_step, after ECCO directives
768      have been fixed to avoid recomp. of do_oceanic_phys
769      Works well for global_ocean.90x40x15,
770      but recomp. issue remains for carbon
771    o Updating adjoint output for natl_box_adjoint after
772      pkg/ecco has been modified (see taga c55d_post)
773    
774    checkpoint55f_post
775    o rename to timeave_init_fixed
776    
777    checkpoint55e_post
778    o some delicate re-shuffle of store directives to avoid one
779      extra call of do_oceanic_physics
780      affects ecco_the_main_loop.F, do_oceanic_physics.F
781      checkpoint_lev1_directives.h
782    o NB: this may break global_ocean adjoint temporarily,
783      but it is clear how to fix it. Will do later, need this now.
784    
785    checkpoint55d_post
786    o ECCO specific cost function terms (up-to-date with 1x1 runs)
787    o ecco_cost_weights is modified to 1x1 runs
788    o modifs to allow observations to be read in as
789      single file or yearly files
790    o enable to read exf forcing fields as either
791      single file or yearly files (flag useExfYearlyFields)
792    checkpoint55d_pre
793    
794    o switch between 2-level and 3-level checkpointing
795    o add ability of MNC to write local and "partial" (eg. 2D slices where
796      the full 3D field is never actually stored) arrays to NetCDF files
797      with the correct (that is, the complete multi-dimensional) set of
798      array indicies
799      - used in mom_vecinv() to write the diagFreq output
800      - tested (demonstrated) in verification/aim.5l_cs
801    o further mnc-ification
802      - add verification/lab_sea to the list with mnc setups
803      - fix undefined mnc v-names in cd_code
804      - add kpp to mnc output (both snapshot and timeave)
805    o non-hydrostatic code
806      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
807        in calc_gw.F
808      - defaults to viscAh
809      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
810        friction or Leith) in non-hydrostatic mode, as long as there is
811        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
812    o pkg/cost
813      extend simple cost functions to treat time mean quantities
814      (T,U,V) via cost_accumulate_state from cost_tile
815    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
816        be 2 times larger than the minimum size the advection scheme requires.
817        now get a perfect conservation of salt in advect_cs test-exp (updated)
818    o GGL90 (Gaspar's TKE mixed layer)
819      - add horizontal diffusion of TKE, requires exchanges in
820        do_fields_blocking_exchanges, horizontal diffusivity is zero by
821        default. In OPA there is no horizontal diffusion of TKE but the
822        mixing coefficients are computed from a horizontal average of TKE of
823        6 points or so. I think that diffusion has a little more physical
824        justification.
825      - clean up ggl90_calc in the hope of reducing memory usage (this hope
826        was in vain)
827      - mask tke-variable in ggl90_init
828    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
829    o fix biharmonic diffusion on CS-grid.
830    o more obcs stuff
831      - added obcs_external_fields_load as an alternative to the EXF-pkg option
832        for reading boundary values. This routine is called from
833        obcs_prescribe_read
834      - updated obcs_check
835      - changed sponge layer relaxation parameter units for days to seconds
836      - turned off sponge layer by default
837      - changed argument list of OBCS_CALC to myTime+deltaTclock
838      - fixed about 35 bugs in obcs_external_fields_load
839    
840    checkpoint55c_post
841    o obcs stuff
842      - new runtime flags useOBCSprescribe, useOBCSbalance
843      - re-arranged obcs_calc
844      - moved exf_getobcs to obcs_prescibe_read
845        obcs_prescibe_read is called after ORLANSKI stuff
846        and independent of it (executable can contain all).
847      - updated obcs_check
848      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
849        These may be necessary only if tangential velocities are
850        prescribed at OB, not sure, needs testing.
851    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
852      which simplifies the calls and passes the ifc check-bounds test
853    
854    checkpoint55b_post
855    o add a 2D scalar, Z location, exchange_2 routine.
856    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
857      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
858      affects advect_cs results (for the wrong reason): update output.txt
859    o use a more standard discretization for biharmonic viscosity ;
860     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
861      affects results of dome set-up: update output.txt
862    o fix gad_advection.F (CubedSphere part), back to version 1.23
863    o fix bug in mom_vi_del2uv.F (CubedSphere part).
864    
865    checkpoint55a_post
866    o merged code to
867      * prescribe/read time-dependent open boundaries
868        (works in conjunction with exf, cal)
869      * sponge layer code for open boundaries
870      * each boundary N/S/E/W now has its own CPP option
871        (healthy for the adjoint)
872    
873    checkpoint55
874    o up-to-date adjoint of previous breaks
875      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
876      - global_ocean_ebm: adjoint still needs fix (TLM ok)
877      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
878      - carbon: * remove tr1-related adjoint verification
879                * add ptracer as control variable
880    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
881      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
882    
883    checkpoint54f_post
884    o in verification/carbin/ remove experiment related to
885      ALLOW_PASSIVE_TRACER (array tr1 etc)
886      code_ad/ input_ad/ results_ad
887    
888    o add two new packages
889      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
890        + subject to optimization (memory)
891      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
892        + subject to reordering (many GOTOs in the original code)
893        + so far opps is called for every (i,j) point, and then operates in
894          the vertical; one may want to reorder the scheme in order operate in
895          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
896          fields)
897    o overhaul of IO so that we now have flags for MDSIO and/or MNC
898      - all verification tests compile and run with linux_ia32_g77
899      - defaults are compatible with current input files--nothing
900        should change if you were not previously using MNC
901      - MNC output has been added in numerous places (eg. timeave)
902        but there are still a few writes not yet do-able with MNC
903        (this is in progress)
904      - flags now allow for either/or/both use of MDSIO and MNC and
905        documentation will soon follow
906      - numerous small formatting cleanups for ProTeX
907    o add version info (via BUILD_INFO.h) to MNC and stdout
908    
909    checkpoint54e_post
910    o add two new packages
911      - pp81 (Packanowski and Philander, 1981), Richardson number and
912        stratification dependent mixing
913      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
914      - these scheme operate in a similar manner as KPP (without ghat, of
915        course), however there is only one diffusivity that is used for both
916        temperature and salinity (and passive tracers)ç
917    o add offline package
918    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
919      provided by Stephanie Dutkiewicz
920    o genmake2: add ability to search for C compilers and cleanup test output
921      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
922    
923    checkpoint54d_post
924    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
925    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
926      leading to additional shift by 5 days each year of integration
927       (i.e. leading to considerable offset over the years)
928    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
929    o start with no AB and no initial filtering (staggerTimeStep):
930      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
931    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
932      (external loading & cpl import/export stay in forward_step.F)
933    o update coupling interface to work with new staggerTimeStep
934    o change MDSIO ptracers_pickup.
935    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
936    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
937    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
938    
939    checkpoint54c_post
940    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
941      this affects (truncation error) output.txt of test-exp:
942       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
943    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
944    o change Qnet to always be the net heat flux, (+upward).
945      affects (truncation error) output of natl_box exp.: updated
946    o define the max number of passive tracers in PTRACERS_SIZE.h
947    o start to test mnc routinely in exp0
948    o add sea-ice loading (sIceLoad) as a new forcing field.
949    
950    checkpoint54b_post
951    o add testreport "-j JOBS" option for parallel builds (tested and pretty
952       impressive on Altix and Opteron systems)
953    o diagnostics can now write NetCDF files through the mnc package
954    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
955    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
956    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
957      affects (truncation error) output of lab_sea & natl_box exp.: updated
958    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
959    
960    checkpoint54a_post
961    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
962    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
963    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
964    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
965      + internal_wave (shift in writing cg2d_ini_res)
966    checkpoint54a_pre
967    
968    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
969      - modified verification/lab_sea and natl_box_adjoint accordingly
970    
971    checkpoint54
972    checkpoint53g_post
973    o prepare splitting of thermodynamics: store convect.counter in common block
974    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
975      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
976    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
977    o new parameter "nShapS": allow to treat differently S from T (nShapT)
978    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
979    o restore adjointability
980    
981    checkpoint53f_post
982    o modifications that affect AIM experiment results (update output.txt):
983      - no advection of S at top interface Nr (pkg/generic_advdiff)
984      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
985    o AIM pkg:
986      - include stability function into surf.Flux derivative relative to Tsurf
987      - calculate clear-sky radiation & surface temp. change (for diagnostics)
988    
989    checkpoint53e_post
990    o merged cylindrical coord configuration
991    o added rotating_tank experiment
992    checkpoint53e_pre
993    
994    checkpoint53d_post
995    o faulks upgraded: re-generate output.txt that have changed:
996       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
997    o Added Bryan and Lewis, 1979, vertical diffusivity profile
998    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
999    o added Sadourny discretization of Coriolis
1000      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1001      - re-enabled use of omega3 (useAbsVorticity)
1002    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1003      vector-invariant equations
1004      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1005    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1006      hopefully without new bugs
1007      - still to do: biharmonic friction for non-hydrostatic w
1008    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1009    o regenerated output for global_ocean_ebm (using -ieee)
1010    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1011      of mom_common/
1012      - simple re-arrangement of instructions within computing loop
1013    checkpoint53d_pre
1014    
1015    checkpoint53c_post
1016    o new version of coupler for AIM+thSIce and Ocean models
1017     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1018     - land: change Evaporation of snow
1019     - aim with thSIce: fix bug in snow-precip.
1020    o changes to calc_gw.F
1021     - bug fix for w^2 term near the bottom boundary
1022     - (hopefully) improve the lateral slip boundary condtions for use with
1023        partial/looped cells
1024      - because the bug fix changes two verification experiments anyway (exp5
1025        and plume on slope), change the lateral boundary condition from half slip
1026        to the value of no_slip_sides
1027    o ebm package wasnt quite up to the parallel task. Fixed that.
1028    o Adjoint of EBM package + verification
1029      * TLM OK
1030      * ADM not sufficient accuracy yet (needs further testing)
1031    
1032    checkpoint53b_post
1033    o Commiting new energy balance model to repository
1034      * package is pkg/ebm
1035      * verif. is verification/global_ocean_ebm
1036      * references are in ebm_driver.F
1037    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1038    C        Global thermohaline circulation. Part I:
1039    C        Sensitivity to atmospheric moisture transport.
1040    C        J. Climate 12(1), 71-82
1041    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1042    C        Global thermohaline circulation. Part II:
1043    C        Sensitivity with interactive transport.
1044    C        J. Climate 12(1), 83-91
1045    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1046    C        Destabilization of the thermohaline circulation
1047    C        by atmospheric eddy transports.
1048    C        J. Climate 7(12), 1870-1882
1049    o Will need long integration testing.
1050    checkpoint53b_pre
1051    
1052    o created pkg/mom_common in preparation for variable viscosity code
1053    o renamed and split ini_mnc_io
1054    o pkg/land: only liquid water can diffuse or run-off
1055    o AIM using land: soil wetness availability account for snow
1056    o added printMapIncludesZeros to EEPARMS namelist
1057    
1058    checkpoint53a_post
1059    o restore TAMC compatiility for exf_constants.h
1060      (no usage of _d in .h)
1061    o Additional storing in KPP in an attempt to fix
1062      TAMC problem with adjoint of KPP code.
1063      (no success...)
1064      Identical code works fine with TAF.
1065    o Fixed verification/natl_box_adjoint experiments.
1066      Initial conditions for Experiments 4 and 5 are now
1067      set to "SEAICE_initialHEFF=0", which is more reasonable,
1068      and hence gives results closer to that of Experiment 2.
1069      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1070    
1071    checkpoint53
1072    o stable checkpoint with up to date adjoint
1073      TLM tests only run for 1st grdchk at the moment. Its unclear if
1074      this is a code problem or a problem with resetting code for g_
1075      variables that is being autogenerated wrong.
1076      Otherwise:
1077       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1078       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1079         are both still in chaos following their security messes.
1080    
1081    checkpoint52n_post
1082    o various build (mostly genmake2) changes including:
1083      - ability to build/run more easily within Cygwin and MacOS X
1084      - more complicated Makefiles with a stronger dependence on Gnu Make
1085  o pkg/seaice modifications  o pkg/seaice modifications
1086    - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost    - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1087      of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer      of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer

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