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revision 1.268 by jmc, Fri Mar 12 20:57:21 2004 UTC revision 1.490 by jmc, Mon May 23 03:08:58 2005 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 pkg/diagnostics:
8      add new capability: output of Global/Regional & per-level statistics ;
9      tested against monitor output (including land & thSIce) on various exp.
10    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
11    
12    checkpoint57h_done
13      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
14      data.diagnostics, data.gchem, data.ptracers) is done.
15    
16    o pkg/diagnostics: prepare for Global/Regional statistics.
17      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
18    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
19      and rename it: DIFFERENT_MULTIPLE
20    
21    checkpoint57h_post
22    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
23    o pkg/diagnostics: change output frequency, now in seconds (instead
24      of Nb of iterations). This requires to change data.diagnostics.
25    checkpoint57h_pre
26    
27    o in mnc, let the user create the output dir if both mnc_outdir_date
28      and mnc_outdir_num are false
29    o add fflags() to pkg/diagnostics which allows one to specify, on a
30      per-file basis, the file precision [default behavior is unchanged]
31    o added diagnostics to pkg/kpp, including computation of mixed layer
32      depth based on a temperature/density criterion
33    o updated verification/natl_box to test the new pkg/kpp diagnostics
34    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
35    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
36    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
37      not mnc -- this mistake was found by JMC and is now corrected
38    
39    checkpoint57g_post
40    o add Adams-Bashforth 3rd Order time stepping:
41      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
42      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
43    checkpoint57g_pre
44    
45    o make lambda[Theta,Salt]ClimRelax spatially varying
46      (default remains spatially uniform constant based on tau)
47    o added new control variables
48      * init. uVel, vVel, etanN
49      * lambda[Theta,Salt]ClimRelax
50    o separate masks used for ctrl_pack/unpack 'from write_grid' output
51      (suggested by G. Forget)
52    
53    checkpoint57f_post
54    o add parameter "baseTime" = model base time = time at iteration zero
55      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
56      account for baseTime shift
57    o move Coriolis arrays from PARAMS.h to GRID.h
58    checkpoint57f_pre
59    
60    o mnc-ifying the seaice package
61    o introduced an alternative length scale calculation for use in the limiting
62      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
63    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
64    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
65      as well as grad(vort3).  Made it compatible with both approximate form
66      for the cubed sphere and full form of these gradients.  Added flag
67      useFullLeith to select between approximate and full form.  
68    o add "d0" in getcon.F to reduce differences between compilers/platforms
69      update output.txt of exp. fizhi-gridalt-hs
70    o change port_rand funtion to allow to set the seed.
71    o fix obscure MNC bug involving conversion between reals and integers
72      - it caused no problems with certain (eg. gcc, ifc) compilers but the
73        new version is now more standards-compliant
74    o adjoint-related modifications
75      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
76      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
77      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
78    
79    checkpoint57e_post
80    o Adding eddy stress controls a la Ferreira et al.
81    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
82    
83    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
84      update output.txt of exp. fizhi-gridalt-hs
85    o add more "Z" dimensions and associated coordinate vars to MNC
86    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
87    o parameter calendarDumps: when set, approximate months (30-31 days) and years
88      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
89      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
90      months and years.  Requires pkg/cal.
91    o diagnostics: add pickup functionality
92      - off by default for backwards compatibility
93      - current version only uses MDSIO -- MNC will be added
94    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
95    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
96    
97    checkpoint57d_post
98    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
99    o modify verification/ideal_2D_oce so that it tests the creation of mnc
100      output from the diagnostics package
101    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
102    o make genmake2 more portable by using ".$FS" instead of ".f" for more
103      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
104    o add coordinate variables to the MNC output from the diagnostics package
105    o change MNC-flags default value: true when useMNC=TRUE
106    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
107      the ability (off by default) to read the grid information using MNC
108    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
109    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
110    o do snap-shot diagnostics at the middle of the time-interval (instead of
111      at the end).
112    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
113      new test for AIM with thSIce + slab-ocean
114    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
115    o move state variable diagnostics to the beginning of the time step ;
116      (note: still needs some work specially for snap-shot diagnostics)
117      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
118    
119    checkpoint57c_post
120    o Change testing option (-ieee) to get closer agreement between g77 & ifort
121    o generate new output.txt files on faulks with g77 & the new -ieee option
122    checkpoint57c_pre
123    
124    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
125      update output.txt of exp. global_ocean.90x40x15
126    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
127      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
128    o add saltFlux(+File) forcing capability with periodicExternalForcing
129    o allow to use pkg diagnostics for GM-Redi & ThSIce output
130    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
131    o improvements for the MNC output from DIAGNOSTICS:
132      - correct handling of the unlimitied dimension
133      - all dims now have associated coordinate variables
134      - variables located at U, V, and Corner ("Z") points are now written
135        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
136        *all* data points are output
137    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
138    o added pkg/seaice/seaice_monitor.F
139    o mdsio_readfield.F can now read files visible only to master MPI process.
140    o pkg/seaice: some test code for ice-modified ocean stress
141    o exf_getffields interpolation defaults to bilinear for all scalar forcing
142      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
143      spurious negative numbers for precipitation and humidity.  Will cause
144      some small numerical differences for integrations using pkg/exf/exf_interp.F.
145    o pkg/ctrl/
146      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
147        May be enabled via doPackDiag
148      *  introduce z-scaling of
149         + gradient (doZscalePack) and
150         + control (doZscaleUnpack)
151    o pkg/mdsio/
152      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
153      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
154    
155    checkpoint57b_post
156    o simplify options in diagnostics_fill arguments (remove weird combinations)
157    o fix MNC coordinate variables so that they now contain per-face index
158      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
159      general, EXCH2 grids are only aligned to a "local" coordinate system
160    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
161    o Implement instantaneous output within pkg diagnostics:
162      setting a negative frequency in data.diagnostics produces
163     "snap-shot" output (as opposed to time-average if freq > 0)
164    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
165      NOTE: change ptracer diagnostics name: use 2 characters to work with
166            more than 9 tracers. Add also diagnostics of advect & diffus flux.
167    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
168      becomes the coordinate variable for the 'T' dimension
169    o add CF-style coordinate variables to MNC
170      - just a first cut:  numbers are meaningless on the cubesphere and
171        missing along the T axis but otherwise it works!
172    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
173    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
174    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
175      this is based directly on what the model compute, so that the content of
176      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
177    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
178    o clean up build options files for SunOS, in particular
179      - remove -traditional from xmakedepend
180      - change -xarch=v9 to -xarch=native for f77
181      - restore use of make (not gmake)
182      - add CC=gcc if using g77
183    o changes per discussion of AM, JMC, & EH3 today:
184      - move redundant "grid" variables out of "state" -- in preparation of
185        creating proper CF-style coordinate variables and in recognition
186        that any/all grid variables can be easily copied (eg. w/NCO) from
187        the grid files into any of the other NetCDF files
188      - *always* output grid variables with MDSIO (this will eventually be
189        changed)
190      - output MNC grid file if useMNC is true
191    o every instance of _END_MASTER() has been found and replaced with
192      _END_MASTER( myThid ) in order to satisfy certain picky Sun
193      preprocessors
194    o re-arrange diagnostics pkg initialisation:
195     - allow each package to extend the available diagnostics list
196     - add some checking and fix small problems (multi-threaded, ...)
197     - new S/R diagnostics_fill (replace fill_diagnostics):
198       look through the short list of active diag. (instead of the long list)
199       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
200    
201    checkpoint57a_post
202    o this set of changes restores TAMC compatibility
203      tested for global_ocean.90x40x15 adjoint on trough
204      (what a pain)
205    
206    checkpoint57a_pre
207    o some modifs in tools/build_options for sunos
208    o call ctrl_pack for ctrl at end for optimcycle=0
209    
210    checkpoint57
211    o add horizontal bi-harmonic viscosity for vertical velocity
212      - new parameter viscA4W (defaults to viscA4)
213      - affects only non-hydrostatic code
214      - to be done: no-slip lateral boundary conditions
215    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
216    o implement Implicit Vertical advection for pTracers
217    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
218      (implemented also for implicit vertical diffusion & advection)
219    o OBCS: extend application of tracer open boundary conditions
220      to a strip beyond the boundary of width Olx/Oly
221    o add call monitor to TAF set of required calls (flow directives)
222      and include in natl_box_adjoint
223    o untangle a few ifdefs related to cost, ctrl, autodiff
224      untangel a few ALLOW_ECCO_OPTIMIZATION
225    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
226      (theta2, salt2 in ecco_cost_weights)
227    
228    checkpoint56c_post
229    o OBCS as control variables
230      - update ctrl_ad_diff.list, obcs_ad_diff.list
231      - remove balance of obcs controls from default
232      - fix index bug nobcs in ctrl_init
233      - fix dummy fields filen in ctrl_pack
234      - add dummy weights for obcs
235    o lsopt: comment out fort.94 output
236    o optim:
237      - remove unnecessary header files
238      - adjusted namelists
239      - add xerbla.F to Makefile
240    o exf:
241      - multiple modifications of exf_check_range
242      - unit change in exf_init_runoff from [m/year] to [m/s]
243    o mdsio:
244      - i/o-vector change debugLevel from debLevA to debLevB
245    
246    checkpoint56b_post
247    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
248      is called from DO_THE_MODEL_IO
249      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
250      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
251      - clean up PTRACERS_WRITE_TIMEAVE a little
252    o add another verification experiment that tests both the cfc-pkg and
253      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
254      reactive tendencies treated inline with regular timestepping
255    o testreport previously did a lousy job of comparing small numbers, so
256      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
257      implemented in the little c-progam tmp_cmpnum.c which is embedded in
258      testreport.
259    o ptracers_monitor: bug fix for MPI
260    
261    checkpoint56a_post
262    o GCHEM: finish reorganizating the package
263      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
264        (introduces another 3D-array for each passive tracer, but only if
265        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
266        gchemTendency is not needed because the timestep is done separately)
267      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
268      - GCHEM is now---more or less cleanly---separate from PTRACERS
269      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
270        so clear to me how that should be done in a general way.
271    o CFC: improve formatting of output in CFC_ATMOS
272    o PTRACERS:
273      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
274        that ALL experiments with ptracers enable can be checked. This makes
275        GCHEM_MONITOR obsolete.
276      - include a runtime parameter PTRACERS_monitorFreq that defaults to
277        monitorFreq
278      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
279    o add PTRACERS (PTR0[1-5]) to testreport output
280    o exf_check_range:
281      * default changed to .TRUE.
282      * will check values for niter0 if debLevA, every timestep if debLevB
283      * STOP in exf_check_range if 'out of range'
284      * range chosen generous to allow for potential extema
285      TBD: a version with stricter range
286           permitted range would be runtime parameters
287    o GMredi:
288      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
289      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
290      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
291    o GCHEM:
292      - move call to GCHEM_FORCING_SEP, so that it is now called before
293        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
294      - introduced a useGCHEM runtime flag and applied it everywhere.
295      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
296        this flag is now only visible within GCHEM-pkg routines.
297      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
298        be replaced by a 3D array that is computed before thermodynamics; for
299        this, the tracer ID iTracer had to be included into the parameter list
300        of ptracers_forcing
301      - set up forward_step to call gchem_forcing, that will replace
302        gchem_forcing_int in ptracers_forcing
303      - cleaning up
304    o small cleaning of exch2: remove files that are also in eesupp/src
305    
306    checkpoint56
307    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
308    o mnc: cleanup "full" files--fixes out-of-memory problem
309    o ECCO-GODAE
310      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
311      * fully merged and updated from SIO code
312        windstress sign change affects
313        - exf_inscal_[u/v]stress
314        - sign of xx_tau[u/v] adjustments
315        - signs in cost_scat
316      * ctrl_get_gen: avoid update of tau[u/v] for first few days
317      * natl_box_adjoint updated and compressed
318      * 2-level checkpoint switch added
319        (tested in EXP. 1 of natl_box_adjoint)
320      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
321    o SVD
322      * first complete, non-hacked version for SVD calculations
323      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
324        performed via direct access files admtlm_vector.it????
325        (via ctrl_[un]pack)
326      * optimcycle is used for ARPACK iteration counter
327        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
328      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
329        and add linear transforms where necessary
330      * controls are initial/final SST, SSS (can be extended; need to check
331        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
332    o mdsio: filename info to both stderr, stdout
333    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
334      from sign change
335    
336    checkpoint55j_post
337    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
338      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
339    o add consistent build directories and .cvsignore files to verification
340    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
341    o make all subroutines 30 or less characters in length for certain older
342      compilers to work (a thorough search only turns up two routines in
343      pkg/ptracers)
344    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
345      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
346    
347    checkpoint55i_post
348    o change arrays for total vertical diffusivity (2.D if explicit,
349      3.D if implicit) ; each ptracer uses its own background value.
350    o added mnc/NetCDF output capability to ocn_compon_interf
351      - added bits to verification/cpl_aim+ocn so that it can run on
352        ITRDA and other clusters without the mpirun "-wd" option
353    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
354      configuration
355    o give MNC the ability to create additional files rather than
356      exceeding a specified file size limit "MNC_MAX_FILESIZE"
357      - the default is just less than 2GB which is a practical limit
358        on many systems
359    o Compute the non-local term using either KPP vertical diffusivity (=default)
360       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
361    
362    checkpoint55h_post
363    o add verification test "vermix"
364    o remove all the *_ioinc flags and replace with the single global
365      outputTypesInclusive flag
366    o allow to set a vertical profile of vertical diffusivity for T & S
367    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
368    o useMNC moved from data.mnc to data.pkg
369    
370    checkpoint55g_post
371    o Renaming carbon AD experiments to comply with testreport conventions
372    o Updating adjoint of Held-Suarez hs94.1x64x5
373    o Fixing directives for non-ECCO forward_step, after ECCO directives
374      have been fixed to avoid recomp. of do_oceanic_phys
375      Works well for global_ocean.90x40x15,
376      but recomp. issue remains for carbon
377    o Updating adjoint output for natl_box_adjoint after
378      pkg/ecco has been modified (see taga c55d_post)
379    
380    checkpoint55f_post
381    o rename to timeave_init_fixed
382    
383    checkpoint55e_post
384    o some delicate re-shuffle of store directives to avoid one
385      extra call of do_oceanic_physics
386      affects ecco_the_main_loop.F, do_oceanic_physics.F
387      checkpoint_lev1_directives.h
388    o NB: this may break global_ocean adjoint temporarily,
389      but it is clear how to fix it. Will do later, need this now.
390    
391    checkpoint55d_post
392    o ECCO specific cost function terms (up-to-date with 1x1 runs)
393    o ecco_cost_weights is modified to 1x1 runs
394    o modifs to allow observations to be read in as
395      single file or yearly files
396    o enable to read exf forcing fields as either
397      single file or yearly files (flag useExfYearlyFields)
398    checkpoint55d_pre
399    
400    o switch between 2-level and 3-level checkpointing
401    o add ability of MNC to write local and "partial" (eg. 2D slices where
402      the full 3D field is never actually stored) arrays to NetCDF files
403      with the correct (that is, the complete multi-dimensional) set of
404      array indicies
405      - used in mom_vecinv() to write the diagFreq output
406      - tested (demonstrated) in verification/aim.5l_cs
407    o further mnc-ification
408      - add verification/lab_sea to the list with mnc setups
409      - fix undefined mnc v-names in cd_code
410      - add kpp to mnc output (both snapshot and timeave)
411    o non-hydrostatic code
412      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
413        in calc_gw.F
414      - defaults to viscAh
415      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
416        friction or Leith) in non-hydrostatic mode, as long as there is
417        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
418    o pkg/cost
419      extend simple cost functions to treat time mean quantities
420      (T,U,V) via cost_accumulate_state from cost_tile
421    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
422        be 2 times larger than the minimum size the advection scheme requires.
423        now get a perfect conservation of salt in advect_cs test-exp (updated)
424    o GGL90 (Gaspar's TKE mixed layer)
425      - add horizontal diffusion of TKE, requires exchanges in
426        do_fields_blocking_exchanges, horizontal diffusivity is zero by
427        default. In OPA there is no horizontal diffusion of TKE but the
428        mixing coefficients are computed from a horizontal average of TKE of
429        6 points or so. I think that diffusion has a little more physical
430        justification.
431      - clean up ggl90_calc in the hope of reducing memory usage (this hope
432        was in vain)
433      - mask tke-variable in ggl90_init
434    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
435    o fix biharmonic diffusion on CS-grid.
436    o more obcs stuff
437      - added obcs_external_fields_load as an alternative to the EXF-pkg option
438        for reading boundary values. This routine is called from
439        obcs_prescribe_read
440      - updated obcs_check
441      - changed sponge layer relaxation parameter units for days to seconds
442      - turned off sponge layer by default
443      - changed argument list of OBCS_CALC to myTime+deltaTclock
444      - fixed about 35 bugs in obcs_external_fields_load
445    
446    checkpoint55c_post
447    o obcs stuff
448      - new runtime flags useOBCSprescribe, useOBCSbalance
449      - re-arranged obcs_calc
450      - moved exf_getobcs to obcs_prescibe_read
451        obcs_prescibe_read is called after ORLANSKI stuff
452        and independent of it (executable can contain all).
453      - updated obcs_check
454      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
455        These may be necessary only if tangential velocities are
456        prescribed at OB, not sure, needs testing.
457    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
458      which simplifies the calls and passes the ifc check-bounds test
459    
460    checkpoint55b_post
461    o add a 2D scalar, Z location, exchange_2 routine.
462    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
463      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
464      affects advect_cs results (for the wrong reason): update output.txt
465    o use a more standard discretization for biharmonic viscosity ;
466     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
467      affects results of dome set-up: update output.txt
468    o fix gad_advection.F (CubedSphere part), back to version 1.23
469    o fix bug in mom_vi_del2uv.F (CubedSphere part).
470    
471    checkpoint55a_post
472    o merged code to
473      * prescribe/read time-dependent open boundaries
474        (works in conjunction with exf, cal)
475      * sponge layer code for open boundaries
476      * each boundary N/S/E/W now has its own CPP option
477        (healthy for the adjoint)
478    
479    checkpoint55
480    o up-to-date adjoint of previous breaks
481      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
482      - global_ocean_ebm: adjoint still needs fix (TLM ok)
483      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
484      - carbon: * remove tr1-related adjoint verification
485                * add ptracer as control variable
486    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
487      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
488    
489    checkpoint54f_post
490    o in verification/carbin/ remove experiment related to
491      ALLOW_PASSIVE_TRACER (array tr1 etc)
492      code_ad/ input_ad/ results_ad
493    
494    o add two new packages
495      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
496        + subject to optimization (memory)
497      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
498        + subject to reordering (many GOTOs in the original code)
499        + so far opps is called for every (i,j) point, and then operates in
500          the vertical; one may want to reorder the scheme in order operate in
501          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
502          fields)
503    o overhaul of IO so that we now have flags for MDSIO and/or MNC
504      - all verification tests compile and run with linux_ia32_g77
505      - defaults are compatible with current input files--nothing
506        should change if you were not previously using MNC
507      - MNC output has been added in numerous places (eg. timeave)
508        but there are still a few writes not yet do-able with MNC
509        (this is in progress)
510      - flags now allow for either/or/both use of MDSIO and MNC and
511        documentation will soon follow
512      - numerous small formatting cleanups for ProTeX
513    o add version info (via BUILD_INFO.h) to MNC and stdout
514    
515    checkpoint54e_post
516    o add two new packages
517      - pp81 (Packanowski and Philander, 1981), Richardson number and
518        stratification dependent mixing
519      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
520      - these scheme operate in a similar manner as KPP (without ghat, of
521        course), however there is only one diffusivity that is used for both
522        temperature and salinity (and passive tracers)ç
523    o add offline package
524    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
525      provided by Stephanie Dutkiewicz
526    o genmake2: add ability to search for C compilers and cleanup test output
527      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
528    
529    checkpoint54d_post
530    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
531    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
532      leading to additional shift by 5 days each year of integration
533       (i.e. leading to considerable offset over the years)
534    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
535    o start with no AB and no initial filtering (staggerTimeStep):
536      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
537    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
538      (external loading & cpl import/export stay in forward_step.F)
539    o update coupling interface to work with new staggerTimeStep
540    o change MDSIO ptracers_pickup.
541    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
542    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
543    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
544    
545    checkpoint54c_post
546    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
547      this affects (truncation error) output.txt of test-exp:
548       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
549    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
550    o change Qnet to always be the net heat flux, (+upward).
551      affects (truncation error) output of natl_box exp.: updated
552    o define the max number of passive tracers in PTRACERS_SIZE.h
553    o start to test mnc routinely in exp0
554    o add sea-ice loading (sIceLoad) as a new forcing field.
555    
556    checkpoint54b_post
557    o add testreport "-j JOBS" option for parallel builds (tested and pretty
558       impressive on Altix and Opteron systems)
559    o diagnostics can now write NetCDF files through the mnc package
560    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
561    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
562    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
563      affects (truncation error) output of lab_sea & natl_box exp.: updated
564    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
565    
566    checkpoint54a_post
567    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
568    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
569    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
570    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
571      + internal_wave (shift in writing cg2d_ini_res)
572    checkpoint54a_pre
573    
574    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
575      - modified verification/lab_sea and natl_box_adjoint accordingly
576    
577    checkpoint54
578    checkpoint53g_post
579    o prepare splitting of thermodynamics: store convect.counter in common block
580    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
581      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
582    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
583    o new parameter "nShapS": allow to treat differently S from T (nShapT)
584    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
585    o restore adjointability
586    
587    checkpoint53f_post
588    o modifications that affect AIM experiment results (update output.txt):
589      - no advection of S at top interface Nr (pkg/generic_advdiff)
590      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
591    o AIM pkg:
592      - include stability function into surf.Flux derivative relative to Tsurf
593      - calculate clear-sky radiation & surface temp. change (for diagnostics)
594    
595    checkpoint53e_post
596    o merged cylindrical coord configuration
597    o added rotating_tank experiment
598    checkpoint53e_pre
599    
600    checkpoint53d_post
601    o faulks upgraded: re-generate output.txt that have changed:
602       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
603    o Added Bryan and Lewis, 1979, vertical diffusivity profile
604    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
605    o added Sadourny discretization of Coriolis
606      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
607      - re-enabled use of omega3 (useAbsVorticity)
608    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
609      vector-invariant equations
610      - note: does *NOT* yet use same variable visc. for no-slip BC's.
611    o recoded the lateral boundary conditions for non-hydrostatic w, this time
612      hopefully without new bugs
613      - still to do: biharmonic friction for non-hydrostatic w
614    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
615    o regenerated output for global_ocean_ebm (using -ieee)
616    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
617      of mom_common/
618      - simple re-arrangement of instructions within computing loop
619    checkpoint53d_pre
620    
621    checkpoint53c_post
622    o new version of coupler for AIM+thSIce and Ocean models
623     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
624     - land: change Evaporation of snow
625     - aim with thSIce: fix bug in snow-precip.
626    o changes to calc_gw.F
627     - bug fix for w^2 term near the bottom boundary
628     - (hopefully) improve the lateral slip boundary condtions for use with
629        partial/looped cells
630      - because the bug fix changes two verification experiments anyway (exp5
631        and plume on slope), change the lateral boundary condition from half slip
632        to the value of no_slip_sides
633    o ebm package wasnt quite up to the parallel task. Fixed that.
634    o Adjoint of EBM package + verification
635      * TLM OK
636      * ADM not sufficient accuracy yet (needs further testing)
637    
638    checkpoint53b_post
639    o Commiting new energy balance model to repository
640      * package is pkg/ebm
641      * verif. is verification/global_ocean_ebm
642      * references are in ebm_driver.F
643    C      * X. Wang, P. Stone and J. Marotzke, 1999:
644    C        Global thermohaline circulation. Part I:
645    C        Sensitivity to atmospheric moisture transport.
646    C        J. Climate 12(1), 71-82
647    C      * X. Wang, P. Stone and J. Marotzke, 1999:
648    C        Global thermohaline circulation. Part II:
649    C        Sensitivity with interactive transport.
650    C        J. Climate 12(1), 83-91
651    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
652    C        Destabilization of the thermohaline circulation
653    C        by atmospheric eddy transports.
654    C        J. Climate 7(12), 1870-1882
655    o Will need long integration testing.
656    checkpoint53b_pre
657    
658    o created pkg/mom_common in preparation for variable viscosity code
659    o renamed and split ini_mnc_io
660    o pkg/land: only liquid water can diffuse or run-off
661    o AIM using land: soil wetness availability account for snow
662    o added printMapIncludesZeros to EEPARMS namelist
663    
664    checkpoint53a_post
665    o restore TAMC compatiility for exf_constants.h
666      (no usage of _d in .h)
667    o Additional storing in KPP in an attempt to fix
668      TAMC problem with adjoint of KPP code.
669      (no success...)
670      Identical code works fine with TAF.
671    o Fixed verification/natl_box_adjoint experiments.
672      Initial conditions for Experiments 4 and 5 are now
673      set to "SEAICE_initialHEFF=0", which is more reasonable,
674      and hence gives results closer to that of Experiment 2.
675      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
676    
677    checkpoint53
678    o stable checkpoint with up to date adjoint
679      TLM tests only run for 1st grdchk at the moment. Its unclear if
680      this is a code problem or a problem with resetting code for g_
681      variables that is being autogenerated wrong.
682      Otherwise:
683       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
684       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
685         are both still in chaos following their security messes.
686    
687    checkpoint52n_post
688    o various build (mostly genmake2) changes including:
689      - ability to build/run more easily within Cygwin and MacOS X
690      - more complicated Makefiles with a stronger dependence on Gnu Make
691    o pkg/seaice modifications
692      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
693        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
694        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
695      - changed proxy for geostrophic velocity and updated
696        verification/lab_sea/results/* accordingly
697      - removed ADI dynamic solver from pkg/seaice
698      - replaced all occurrences of 1/CSTICE or 1/CSUICE
699        they caused a segmentation fault under certain circumstances
700      - removed unused field WATR
701    o bug fix in exf-package:
702      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
703         now reflect that.
704    o small fixes in the cal-package:
705      - set reference date to first of January for the 'model'-calendar
706      - failing of cal_CheckDate in cal_FullDate now actually results in a
707        warning
708    o small modifications in exf-package to increase flexibility:
709      - change climtempfreeze from a constant to a runtime parameter that
710        is specified in data.exf_clim (default = -1.9)
711      - introduce runtime parameter windstressmax (default = 2.0) that is
712        specified in data.exf
713    o fix in pkg/thsice:
714      - update Evap (Tsf changes) to be consistent with Latent heat flux
715      - maintain snow precipitation unchanged (even if Tsf >=0).
716     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
717    
718    checkpoint52m_post
719    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
720      this does not change any of the results, because myIter=0 in swfrac always
721      lead to jwtype=2 (the default anyway), but the call makes little sense
722      as a default
723    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
724    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
725      atmospheric model (AIM) to use it ; add a "slab ocean" component.
726    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
727    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
728    o extending useSingleCpuIO option to work with new exch2 I/O format
729      - old-style, missing-tile I/O is still accessible by defining CPP
730        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
731    o monitor package can write to NetCDF files and/or STDOUT
732    o fix re-definition bug in MNC_GRID_INIT_ALL()
733    o doc/api_reference added
734      - a framework for building an API Reference Manual using all
735        the "protex" comments embedded in the code
736      - see pkg/generic_advdiff, pkg/mnc for examples
737    o MNC:
738      - make myThid the last argument for all subroutines
739      - new default for the grid files: NO halos
740      - add useMNC and other run-time flags
741      - separate per-file-group handling of the unlimited dimension
742      - early initialization of MNC w/ flags read at the eeboot stage
743        and lookup tables set in initialize_fixed
744      - write all MNC output to a freshly-created directory
745  o thermodynamics sea-ice (thsice) is now tested with testreport.  o thermodynamics sea-ice (thsice) is now tested with testreport.
746  o test exp. advect_cs: use the standard cs32 grid ; update output.  o test exp. advect_cs: use the standard cs32 grid ; update output.
747    o Added functionality to grdchk:
748      pick global i,j,k position (or nearest wet) where to perform check.
749    
750  checkpoint52l_post  checkpoint52l_post
751  o new land formulation:  o new land formulation:

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