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revision 1.226 by jmc, Tue Dec 16 15:16:39 2003 UTC revision 1.570 by edhill, Wed Oct 12 16:08:16 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 remove all the files from the cfc_offline test since they are now
8      incorporated into tutorial_cfc_offline which has been producing
9      identical results for a few days of testing
10    o vorticity & strain are now computed without masking, to account for
11      no-slip-side BC in variable viscosity calculation ; mask is applied
12      anyway later on, before computing advection/coriolis terms.
13    o modify exp4 to test new obcs support reading from external files
14      and for passive tracers
15    o fix behavior of ptracers_monitor when monitor output is written to a
16      netcdf-file; still not independent of monitor.F (writes in the same
17      file).
18    o change default value of tRef (put a uniform, meaningful value for ocean
19      & atmos) and initialize sRef (was missing, as Martin mentioned).
20    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
21      to be proportional to enstrophy dissipation length.  Thus,
22       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
23      This is now consistent with Smagorinsky and with the manual.
24    
25    checkpoint57u_post
26    o OBCS and PTRACERS: add open boundary support for passive tracers
27      - either use homogenous (pseudo) v.Neumann conditions or prescribe
28        OB-values from file; this is not different from the way theta and salinity
29        are treated
30      - however, Orlanski-radiation conditions are not supported, and the model
31        will stop if you use pTracers and Orlanski at the same time.
32      - beefed up the rountine obcs_external_fields_load: now only those open
33        boundary values are overwritten with values from files for which there
34        are really files, otherwise the OB-fields remain untouched. This makes
35        it possible to use different OBs at different ends of the domain (as
36        with EXF)
37    o reduce number of exch calls in shap_filt (s2).
38    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
39      truncation level) 4/5 MLAdjust test results (11&12 digits match).
40    
41    checkpoint57t_post
42    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
43    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
44      same truncation, independent of the face number: affects affects several
45      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
46    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
47      note that biharmonic viscosity + no-slip was not tested in any experiment.
48    o fix bug in non-linear free-surf side-drag ; generate new output for
49      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
50    o make mnc honor the writeBinaryPrec flag for most kinds of output
51    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
52    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
53      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
54    o add brackets in multi-terms sum to get same truncation, independent of
55      the face number (manage to get exactly same value of gU,gV at the cs-edge)
56      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
57    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
58      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
59      a maximum grid-scale Reynolds number.  Also, changes all length calculations
60      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
61      Suggested values of viscosity parameters found in mom_calc_visc.
62      Many new viscosity diagnostics available.
63    
64    checkpoint57s_post
65    o Add clearing-house for viscosity calculations, mom_calc_visc and
66      correct numerous bugs in LeithD and Smagorinsky discretizations.  
67      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
68      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
69      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
70      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
71      The Strain-Tension form is now called with useStrainTensonVisc=.true.
72      ViscAhStrain and viscAhTension are now retired.
73    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
74    o In response to JMC's bug report, genmake2 now ignores any soft-links
75      that it finds in the *current* directory when searching for files.
76      Soft-links found in any other source directories will still work as
77      they did before.
78    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
79      a C routine to unlimit the stack size
80    o mnc-ify pkg/aim snapshot vars
81    o mnc-ify pkg/land as requested by Daniel
82    o various changes to mnc including:
83      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
84      - output can now be grouped so that all files within a group
85          change the ITER portion of their names in lock-step together
86      - can now read ("global") PER-FACE (in addition to PER-TILE) files
87          and works with both EXCH1 and EXCH2 (but needs more testing)
88      - writing works for all verification test cases w/ g77 on Linux
89    
90    checkpoint57r_post
91    o make MNC variable initialization happen earlier
92    o add diagnostics for (almost) each term of the momentum Eq.
93    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
94    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
95    o remove MINIMAL_TAVE_OUTPUT option ;
96      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
97    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
98      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
99    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
100    o add time-dependent SST, SSS control
101    o cost terms in ecco/ modularized (new cost_generic.F)
102    o cost_averages routines are modularized (new cost_averagesgeneric.F)
103    o new infrastructure for seaice model vs. obs misfits in seaice/
104      * driver from the_main_loop.F is seaice_cost_driver.F
105      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
106      * gradient check in Exp. 6a of natl_box_adjoint/
107    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
108      (see README file)
109    
110    checkpoint57q_post
111    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
112    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
113      - bug was reported by Jean-Michel and Ian Fenty
114    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
115      update exp. cpl_aim+ocn output.
116    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
117      Needed for high-res. runs with large global files
118      to be able to limit tapelev size
119    o Changed some tests for adjoint:
120      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
121      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
122      * global_ocean.90x40x15/ back to default 3-level checkpointing
123    o Modifications to enable scripted COMMON to MODULE conversion
124      * verification/OpenAD/code/ has necessary scripts and description;
125      * converts, compiles and runs successfully;
126    
127    checkpoint57p_post
128    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
129    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
130      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
131    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
132    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
133      (was already the case for dissipation with mom_vecinv,
134       and also the case for grad.PhiHyd when staggered-timeStep)
135      This will allow to put dissipation out-off the AB time-stepping.
136     Unfortunately, affects truncation error. Update output of exp. that "fails"
137      (cg2d matching number) and leave the others for later: front_relax(10),
138      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
139      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
140    
141    checkpoint57o_post
142    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
143      (2) its ready to be documented during the 20050801 DocFest
144    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
145      for ideal_2D_oce and lab_sea on linux_ia32_g77
146    o set to #undef CTRL_SET_OLD_MAXCVARS_30
147      in global1x1_tot/code_seaice_adj to access indices 32, 33
148      (worth another tag)
149    
150    checkpoint57n_post
151    o adding precip control xx_precip 32
152    o adding swflux control xx_swflux 33
153    o Replacing 10 forcing penalty cost routines by 1 generic.
154    o Implementing partitioning in time-mean and variable adjustment
155      for atmos. state.
156    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
157    o in natl_box_adjoint:
158      * updated exp 1 to 10
159        (but does not have time-mean vs. variable split results yet)
160    o updated global1x1/*_seaice_adj/
161      to incorporate latest changes
162    o enable useSingleCpuIO for mdsio vector routines
163      (applies in particular to tapelev I/O)
164    o removed inefficient K-loop in all active_file*control*.F
165    
166    checkpoint57m_post
167    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
168      and advect_cs (use EXCH-2 and standard cs-32 grid files).
169    o pkg/exch2: filling of face-corner halo regions is optional
170      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
171    
172    checkpoint57l_post
173     tag before updating tutorials (pre-release-2)
174    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
175       for output and interpolation of input fields onto model grid)
176    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
177       Affects results of exp. rotating_tank ; update output.txt.
178    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
179          and taking the square quantity and/or using a fraction-weight field.
180    o fix aim_diagnostics_init.F mate numbers.
181    o add mnc output capability to diagnostics/diagstat and update
182      our cvsignore files for the ACSII output generated
183    
184    checkpoint57k_post
185    o lab_sea now uses diagnostics package and provides a suite of
186      new EXF diagnostics output.
187    
188    checkpoint57j_post
189    o exf
190      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
191        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
192        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
193      * extended diagnostics output
194        - now includes all EXF variables
195        - hs, hl moved to common block
196        - separate S/R for diagnostics, called after ctrl vector is added
197        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
198        - EXFqnet contains true Qnet (i.e. includes qsw)
199      * updated verif. lab_sea, global_with_exf
200      * Rearranging hflux (exf_mapfields -> exf_getforcing)
201        to ensure that diagnostics sees a true EXFqnet
202    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
203    o diagnostics pkg: change pointers so that 1 diagnostic can be used
204      several times with different frequencies.
205    o mnc-ify the thsice package as requested by Daniel Enderton
206      - the monitor--MNC output needs work
207      - many attributes need to be added (most are currently blank)
208    o mnc-ify theaim_v23 package as requested by Daniel Enderton
209      - many attributes need to be added (most are currently blank)
210    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
211    o add Sadourny like discretization to the 4th.O vorticity advection scheme
212    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
213      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
214         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
215    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
216     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
217    
218    checkpoint57i_post
219    o Diagnostics package was changed: diagnostic allocation is now deactivated
220      by setting an empty file name in the namelist (used to be by setting 0 frequency)
221    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
222      add 1rst Order upwind vertical Shear.
223    o add a quick fix for A/B checkpointing in OFFLINE mode
224    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
225      end-run around the C/Fortran linking horror in eesup/src/timers.F
226    o added pkg/runclock: allows user to terminate run based on wall clock
227    o added non-hydrostatic scaling parameter: nh_am2
228    o pkg/my82: futile attempt to make results compiler-independent by adding
229      some "_d 0", etc. no effect.
230    o for mnc output, fill the 'T' coordinate var with myTime and create a
231      separate 'iter' variable for iteration count
232    o pkg/diagnostics:
233      add new capability: output of Global/Regional & per-level statistics ;
234      tested against monitor output (including land & thSIce) on various exp.
235    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
236    
237    checkpoint57h_done
238      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
239      data.diagnostics, data.gchem, data.ptracers) is done.
240    
241    o pkg/diagnostics: prepare for Global/Regional statistics.
242      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
243    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
244      and rename it: DIFFERENT_MULTIPLE
245    
246    checkpoint57h_post
247    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
248    o pkg/diagnostics: change output frequency, now in seconds (instead
249      of Nb of iterations). This requires to change data.diagnostics.
250    checkpoint57h_pre
251    
252    o in mnc, let the user create the output dir if both mnc_outdir_date
253      and mnc_outdir_num are false
254    o add fflags() to pkg/diagnostics which allows one to specify, on a
255      per-file basis, the file precision [default behavior is unchanged]
256    o added diagnostics to pkg/kpp, including computation of mixed layer
257      depth based on a temperature/density criterion
258    o updated verification/natl_box to test the new pkg/kpp diagnostics
259    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
260    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
261    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
262      not mnc -- this mistake was found by JMC and is now corrected
263    
264    checkpoint57g_post
265    o add Adams-Bashforth 3rd Order time stepping:
266      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
267      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
268    checkpoint57g_pre
269    
270    o make lambda[Theta,Salt]ClimRelax spatially varying
271      (default remains spatially uniform constant based on tau)
272    o added new control variables
273      * init. uVel, vVel, etanN
274      * lambda[Theta,Salt]ClimRelax
275    o separate masks used for ctrl_pack/unpack 'from write_grid' output
276      (suggested by G. Forget)
277    
278    checkpoint57f_post
279    o add parameter "baseTime" = model base time = time at iteration zero
280      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
281      account for baseTime shift
282    o move Coriolis arrays from PARAMS.h to GRID.h
283    checkpoint57f_pre
284    
285    o mnc-ifying the seaice package
286    o introduced an alternative length scale calculation for use in the limiting
287      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
288    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
289    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
290      as well as grad(vort3).  Made it compatible with both approximate form
291      for the cubed sphere and full form of these gradients.  Added flag
292      useFullLeith to select between approximate and full form.  
293    o add "d0" in getcon.F to reduce differences between compilers/platforms
294      update output.txt of exp. fizhi-gridalt-hs
295    o change port_rand funtion to allow to set the seed.
296    o fix obscure MNC bug involving conversion between reals and integers
297      - it caused no problems with certain (eg. gcc, ifc) compilers but the
298        new version is now more standards-compliant
299    o adjoint-related modifications
300      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
301      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
302      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
303    
304    checkpoint57e_post
305    o Adding eddy stress controls a la Ferreira et al.
306    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
307    
308    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
309      update output.txt of exp. fizhi-gridalt-hs
310    o add more "Z" dimensions and associated coordinate vars to MNC
311    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
312    o parameter calendarDumps: when set, approximate months (30-31 days) and years
313      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
314      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
315      months and years.  Requires pkg/cal.
316    o diagnostics: add pickup functionality
317      - off by default for backwards compatibility
318      - current version only uses MDSIO -- MNC will be added
319    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
320    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
321    
322    checkpoint57d_post
323    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
324    o modify verification/ideal_2D_oce so that it tests the creation of mnc
325      output from the diagnostics package
326    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
327    o make genmake2 more portable by using ".$FS" instead of ".f" for more
328      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
329    o add coordinate variables to the MNC output from the diagnostics package
330    o change MNC-flags default value: true when useMNC=TRUE
331    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
332      the ability (off by default) to read the grid information using MNC
333    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
334    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
335    o do snap-shot diagnostics at the middle of the time-interval (instead of
336      at the end).
337    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
338      new test for AIM with thSIce + slab-ocean
339    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
340    o move state variable diagnostics to the beginning of the time step ;
341      (note: still needs some work specially for snap-shot diagnostics)
342      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
343    
344    checkpoint57c_post
345    o Change testing option (-ieee) to get closer agreement between g77 & ifort
346    o generate new output.txt files on faulks with g77 & the new -ieee option
347    checkpoint57c_pre
348    
349    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
350      update output.txt of exp. global_ocean.90x40x15
351    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
352      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
353    o add saltFlux(+File) forcing capability with periodicExternalForcing
354    o allow to use pkg diagnostics for GM-Redi & ThSIce output
355    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
356    o improvements for the MNC output from DIAGNOSTICS:
357      - correct handling of the unlimitied dimension
358      - all dims now have associated coordinate variables
359      - variables located at U, V, and Corner ("Z") points are now written
360        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
361        *all* data points are output
362    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
363    o added pkg/seaice/seaice_monitor.F
364    o mdsio_readfield.F can now read files visible only to master MPI process.
365    o pkg/seaice: some test code for ice-modified ocean stress
366    o exf_getffields interpolation defaults to bilinear for all scalar forcing
367      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
368      spurious negative numbers for precipitation and humidity.  Will cause
369      some small numerical differences for integrations using pkg/exf/exf_interp.F.
370    o pkg/ctrl/
371      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
372        May be enabled via doPackDiag
373      *  introduce z-scaling of
374         + gradient (doZscalePack) and
375         + control (doZscaleUnpack)
376    o pkg/mdsio/
377      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
378      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
379    
380    checkpoint57b_post
381    o simplify options in diagnostics_fill arguments (remove weird combinations)
382    o fix MNC coordinate variables so that they now contain per-face index
383      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
384      general, EXCH2 grids are only aligned to a "local" coordinate system
385    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
386    o Implement instantaneous output within pkg diagnostics:
387      setting a negative frequency in data.diagnostics produces
388     "snap-shot" output (as opposed to time-average if freq > 0)
389    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
390      NOTE: change ptracer diagnostics name: use 2 characters to work with
391            more than 9 tracers. Add also diagnostics of advect & diffus flux.
392    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
393      becomes the coordinate variable for the 'T' dimension
394    o add CF-style coordinate variables to MNC
395      - just a first cut:  numbers are meaningless on the cubesphere and
396        missing along the T axis but otherwise it works!
397    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
398    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
399    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
400      this is based directly on what the model compute, so that the content of
401      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
402    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
403    o clean up build options files for SunOS, in particular
404      - remove -traditional from xmakedepend
405      - change -xarch=v9 to -xarch=native for f77
406      - restore use of make (not gmake)
407      - add CC=gcc if using g77
408    o changes per discussion of AM, JMC, & EH3 today:
409      - move redundant "grid" variables out of "state" -- in preparation of
410        creating proper CF-style coordinate variables and in recognition
411        that any/all grid variables can be easily copied (eg. w/NCO) from
412        the grid files into any of the other NetCDF files
413      - *always* output grid variables with MDSIO (this will eventually be
414        changed)
415      - output MNC grid file if useMNC is true
416    o every instance of _END_MASTER() has been found and replaced with
417      _END_MASTER( myThid ) in order to satisfy certain picky Sun
418      preprocessors
419    o re-arrange diagnostics pkg initialisation:
420     - allow each package to extend the available diagnostics list
421     - add some checking and fix small problems (multi-threaded, ...)
422     - new S/R diagnostics_fill (replace fill_diagnostics):
423       look through the short list of active diag. (instead of the long list)
424       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
425    
426    checkpoint57a_post
427    o this set of changes restores TAMC compatibility
428      tested for global_ocean.90x40x15 adjoint on trough
429      (what a pain)
430    
431    checkpoint57a_pre
432    o some modifs in tools/build_options for sunos
433    o call ctrl_pack for ctrl at end for optimcycle=0
434    
435    checkpoint57
436    o add horizontal bi-harmonic viscosity for vertical velocity
437      - new parameter viscA4W (defaults to viscA4)
438      - affects only non-hydrostatic code
439      - to be done: no-slip lateral boundary conditions
440    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
441    o implement Implicit Vertical advection for pTracers
442    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
443      (implemented also for implicit vertical diffusion & advection)
444    o OBCS: extend application of tracer open boundary conditions
445      to a strip beyond the boundary of width Olx/Oly
446    o add call monitor to TAF set of required calls (flow directives)
447      and include in natl_box_adjoint
448    o untangle a few ifdefs related to cost, ctrl, autodiff
449      untangel a few ALLOW_ECCO_OPTIMIZATION
450    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
451      (theta2, salt2 in ecco_cost_weights)
452    
453    checkpoint56c_post
454    o OBCS as control variables
455      - update ctrl_ad_diff.list, obcs_ad_diff.list
456      - remove balance of obcs controls from default
457      - fix index bug nobcs in ctrl_init
458      - fix dummy fields filen in ctrl_pack
459      - add dummy weights for obcs
460    o lsopt: comment out fort.94 output
461    o optim:
462      - remove unnecessary header files
463      - adjusted namelists
464      - add xerbla.F to Makefile
465    o exf:
466      - multiple modifications of exf_check_range
467      - unit change in exf_init_runoff from [m/year] to [m/s]
468    o mdsio:
469      - i/o-vector change debugLevel from debLevA to debLevB
470    
471    checkpoint56b_post
472    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
473      is called from DO_THE_MODEL_IO
474      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
475      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
476      - clean up PTRACERS_WRITE_TIMEAVE a little
477    o add another verification experiment that tests both the cfc-pkg and
478      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
479      reactive tendencies treated inline with regular timestepping
480    o testreport previously did a lousy job of comparing small numbers, so
481      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
482      implemented in the little c-progam tmp_cmpnum.c which is embedded in
483      testreport.
484    o ptracers_monitor: bug fix for MPI
485    
486    checkpoint56a_post
487    o GCHEM: finish reorganizating the package
488      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
489        (introduces another 3D-array for each passive tracer, but only if
490        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
491        gchemTendency is not needed because the timestep is done separately)
492      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
493      - GCHEM is now---more or less cleanly---separate from PTRACERS
494      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
495        so clear to me how that should be done in a general way.
496    o CFC: improve formatting of output in CFC_ATMOS
497    o PTRACERS:
498      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
499        that ALL experiments with ptracers enable can be checked. This makes
500        GCHEM_MONITOR obsolete.
501      - include a runtime parameter PTRACERS_monitorFreq that defaults to
502        monitorFreq
503      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
504    o add PTRACERS (PTR0[1-5]) to testreport output
505    o exf_check_range:
506      * default changed to .TRUE.
507      * will check values for niter0 if debLevA, every timestep if debLevB
508      * STOP in exf_check_range if 'out of range'
509      * range chosen generous to allow for potential extema
510      TBD: a version with stricter range
511           permitted range would be runtime parameters
512    o GMredi:
513      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
514      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
515      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
516    o GCHEM:
517      - move call to GCHEM_FORCING_SEP, so that it is now called before
518        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
519      - introduced a useGCHEM runtime flag and applied it everywhere.
520      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
521        this flag is now only visible within GCHEM-pkg routines.
522      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
523        be replaced by a 3D array that is computed before thermodynamics; for
524        this, the tracer ID iTracer had to be included into the parameter list
525        of ptracers_forcing
526      - set up forward_step to call gchem_forcing, that will replace
527        gchem_forcing_int in ptracers_forcing
528      - cleaning up
529    o small cleaning of exch2: remove files that are also in eesupp/src
530    
531    checkpoint56
532    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
533    o mnc: cleanup "full" files--fixes out-of-memory problem
534    o ECCO-GODAE
535      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
536      * fully merged and updated from SIO code
537        windstress sign change affects
538        - exf_inscal_[u/v]stress
539        - sign of xx_tau[u/v] adjustments
540        - signs in cost_scat
541      * ctrl_get_gen: avoid update of tau[u/v] for first few days
542      * natl_box_adjoint updated and compressed
543      * 2-level checkpoint switch added
544        (tested in EXP. 1 of natl_box_adjoint)
545      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
546    o SVD
547      * first complete, non-hacked version for SVD calculations
548      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
549        performed via direct access files admtlm_vector.it????
550        (via ctrl_[un]pack)
551      * optimcycle is used for ARPACK iteration counter
552        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
553      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
554        and add linear transforms where necessary
555      * controls are initial/final SST, SSS (can be extended; need to check
556        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
557    o mdsio: filename info to both stderr, stdout
558    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
559      from sign change
560    
561    checkpoint55j_post
562    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
563      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
564    o add consistent build directories and .cvsignore files to verification
565    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
566    o make all subroutines 30 or less characters in length for certain older
567      compilers to work (a thorough search only turns up two routines in
568      pkg/ptracers)
569    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
570      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
571    
572    checkpoint55i_post
573    o change arrays for total vertical diffusivity (2.D if explicit,
574      3.D if implicit) ; each ptracer uses its own background value.
575    o added mnc/NetCDF output capability to ocn_compon_interf
576      - added bits to verification/cpl_aim+ocn so that it can run on
577        ITRDA and other clusters without the mpirun "-wd" option
578    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
579      configuration
580    o give MNC the ability to create additional files rather than
581      exceeding a specified file size limit "MNC_MAX_FILESIZE"
582      - the default is just less than 2GB which is a practical limit
583        on many systems
584    o Compute the non-local term using either KPP vertical diffusivity (=default)
585       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
586    
587    checkpoint55h_post
588    o add verification test "vermix"
589    o remove all the *_ioinc flags and replace with the single global
590      outputTypesInclusive flag
591    o allow to set a vertical profile of vertical diffusivity for T & S
592    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
593    o useMNC moved from data.mnc to data.pkg
594    
595    checkpoint55g_post
596    o Renaming carbon AD experiments to comply with testreport conventions
597    o Updating adjoint of Held-Suarez hs94.1x64x5
598    o Fixing directives for non-ECCO forward_step, after ECCO directives
599      have been fixed to avoid recomp. of do_oceanic_phys
600      Works well for global_ocean.90x40x15,
601      but recomp. issue remains for carbon
602    o Updating adjoint output for natl_box_adjoint after
603      pkg/ecco has been modified (see taga c55d_post)
604    
605    checkpoint55f_post
606    o rename to timeave_init_fixed
607    
608    checkpoint55e_post
609    o some delicate re-shuffle of store directives to avoid one
610      extra call of do_oceanic_physics
611      affects ecco_the_main_loop.F, do_oceanic_physics.F
612      checkpoint_lev1_directives.h
613    o NB: this may break global_ocean adjoint temporarily,
614      but it is clear how to fix it. Will do later, need this now.
615    
616    checkpoint55d_post
617    o ECCO specific cost function terms (up-to-date with 1x1 runs)
618    o ecco_cost_weights is modified to 1x1 runs
619    o modifs to allow observations to be read in as
620      single file or yearly files
621    o enable to read exf forcing fields as either
622      single file or yearly files (flag useExfYearlyFields)
623    checkpoint55d_pre
624    
625    o switch between 2-level and 3-level checkpointing
626    o add ability of MNC to write local and "partial" (eg. 2D slices where
627      the full 3D field is never actually stored) arrays to NetCDF files
628      with the correct (that is, the complete multi-dimensional) set of
629      array indicies
630      - used in mom_vecinv() to write the diagFreq output
631      - tested (demonstrated) in verification/aim.5l_cs
632    o further mnc-ification
633      - add verification/lab_sea to the list with mnc setups
634      - fix undefined mnc v-names in cd_code
635      - add kpp to mnc output (both snapshot and timeave)
636    o non-hydrostatic code
637      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
638        in calc_gw.F
639      - defaults to viscAh
640      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
641        friction or Leith) in non-hydrostatic mode, as long as there is
642        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
643    o pkg/cost
644      extend simple cost functions to treat time mean quantities
645      (T,U,V) via cost_accumulate_state from cost_tile
646    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
647        be 2 times larger than the minimum size the advection scheme requires.
648        now get a perfect conservation of salt in advect_cs test-exp (updated)
649    o GGL90 (Gaspar's TKE mixed layer)
650      - add horizontal diffusion of TKE, requires exchanges in
651        do_fields_blocking_exchanges, horizontal diffusivity is zero by
652        default. In OPA there is no horizontal diffusion of TKE but the
653        mixing coefficients are computed from a horizontal average of TKE of
654        6 points or so. I think that diffusion has a little more physical
655        justification.
656      - clean up ggl90_calc in the hope of reducing memory usage (this hope
657        was in vain)
658      - mask tke-variable in ggl90_init
659    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
660    o fix biharmonic diffusion on CS-grid.
661    o more obcs stuff
662      - added obcs_external_fields_load as an alternative to the EXF-pkg option
663        for reading boundary values. This routine is called from
664        obcs_prescribe_read
665      - updated obcs_check
666      - changed sponge layer relaxation parameter units for days to seconds
667      - turned off sponge layer by default
668      - changed argument list of OBCS_CALC to myTime+deltaTclock
669      - fixed about 35 bugs in obcs_external_fields_load
670    
671    checkpoint55c_post
672    o obcs stuff
673      - new runtime flags useOBCSprescribe, useOBCSbalance
674      - re-arranged obcs_calc
675      - moved exf_getobcs to obcs_prescibe_read
676        obcs_prescibe_read is called after ORLANSKI stuff
677        and independent of it (executable can contain all).
678      - updated obcs_check
679      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
680        These may be necessary only if tangential velocities are
681        prescribed at OB, not sure, needs testing.
682    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
683      which simplifies the calls and passes the ifc check-bounds test
684    
685    checkpoint55b_post
686    o add a 2D scalar, Z location, exchange_2 routine.
687    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
688      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
689      affects advect_cs results (for the wrong reason): update output.txt
690    o use a more standard discretization for biharmonic viscosity ;
691     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
692      affects results of dome set-up: update output.txt
693    o fix gad_advection.F (CubedSphere part), back to version 1.23
694    o fix bug in mom_vi_del2uv.F (CubedSphere part).
695    
696    checkpoint55a_post
697    o merged code to
698      * prescribe/read time-dependent open boundaries
699        (works in conjunction with exf, cal)
700      * sponge layer code for open boundaries
701      * each boundary N/S/E/W now has its own CPP option
702        (healthy for the adjoint)
703    
704    checkpoint55
705    o up-to-date adjoint of previous breaks
706      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
707      - global_ocean_ebm: adjoint still needs fix (TLM ok)
708      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
709      - carbon: * remove tr1-related adjoint verification
710                * add ptracer as control variable
711    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
712      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
713    
714    checkpoint54f_post
715    o in verification/carbin/ remove experiment related to
716      ALLOW_PASSIVE_TRACER (array tr1 etc)
717      code_ad/ input_ad/ results_ad
718    
719    o add two new packages
720      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
721        + subject to optimization (memory)
722      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
723        + subject to reordering (many GOTOs in the original code)
724        + so far opps is called for every (i,j) point, and then operates in
725          the vertical; one may want to reorder the scheme in order operate in
726          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
727          fields)
728    o overhaul of IO so that we now have flags for MDSIO and/or MNC
729      - all verification tests compile and run with linux_ia32_g77
730      - defaults are compatible with current input files--nothing
731        should change if you were not previously using MNC
732      - MNC output has been added in numerous places (eg. timeave)
733        but there are still a few writes not yet do-able with MNC
734        (this is in progress)
735      - flags now allow for either/or/both use of MDSIO and MNC and
736        documentation will soon follow
737      - numerous small formatting cleanups for ProTeX
738    o add version info (via BUILD_INFO.h) to MNC and stdout
739    
740    checkpoint54e_post
741    o add two new packages
742      - pp81 (Packanowski and Philander, 1981), Richardson number and
743        stratification dependent mixing
744      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
745      - these scheme operate in a similar manner as KPP (without ghat, of
746        course), however there is only one diffusivity that is used for both
747        temperature and salinity (and passive tracers)ç
748    o add offline package
749    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
750      provided by Stephanie Dutkiewicz
751    o genmake2: add ability to search for C compilers and cleanup test output
752      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
753    
754    checkpoint54d_post
755    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
756    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
757      leading to additional shift by 5 days each year of integration
758       (i.e. leading to considerable offset over the years)
759    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
760    o start with no AB and no initial filtering (staggerTimeStep):
761      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
762    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
763      (external loading & cpl import/export stay in forward_step.F)
764    o update coupling interface to work with new staggerTimeStep
765    o change MDSIO ptracers_pickup.
766    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
767    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
768    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
769    
770    checkpoint54c_post
771    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
772      this affects (truncation error) output.txt of test-exp:
773       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
774    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
775    o change Qnet to always be the net heat flux, (+upward).
776      affects (truncation error) output of natl_box exp.: updated
777    o define the max number of passive tracers in PTRACERS_SIZE.h
778    o start to test mnc routinely in exp0
779    o add sea-ice loading (sIceLoad) as a new forcing field.
780    
781    checkpoint54b_post
782    o add testreport "-j JOBS" option for parallel builds (tested and pretty
783       impressive on Altix and Opteron systems)
784    o diagnostics can now write NetCDF files through the mnc package
785    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
786    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
787    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
788      affects (truncation error) output of lab_sea & natl_box exp.: updated
789    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
790    
791    checkpoint54a_post
792    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
793    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
794    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
795    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
796      + internal_wave (shift in writing cg2d_ini_res)
797    checkpoint54a_pre
798    
799    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
800      - modified verification/lab_sea and natl_box_adjoint accordingly
801    
802    checkpoint54
803    checkpoint53g_post
804    o prepare splitting of thermodynamics: store convect.counter in common block
805    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
806      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
807    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
808    o new parameter "nShapS": allow to treat differently S from T (nShapT)
809    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
810    o restore adjointability
811    
812    checkpoint53f_post
813    o modifications that affect AIM experiment results (update output.txt):
814      - no advection of S at top interface Nr (pkg/generic_advdiff)
815      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
816    o AIM pkg:
817      - include stability function into surf.Flux derivative relative to Tsurf
818      - calculate clear-sky radiation & surface temp. change (for diagnostics)
819    
820    checkpoint53e_post
821    o merged cylindrical coord configuration
822    o added rotating_tank experiment
823    checkpoint53e_pre
824    
825    checkpoint53d_post
826    o faulks upgraded: re-generate output.txt that have changed:
827       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
828    o Added Bryan and Lewis, 1979, vertical diffusivity profile
829    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
830    o added Sadourny discretization of Coriolis
831      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
832      - re-enabled use of omega3 (useAbsVorticity)
833    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
834      vector-invariant equations
835      - note: does *NOT* yet use same variable visc. for no-slip BC's.
836    o recoded the lateral boundary conditions for non-hydrostatic w, this time
837      hopefully without new bugs
838      - still to do: biharmonic friction for non-hydrostatic w
839    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
840    o regenerated output for global_ocean_ebm (using -ieee)
841    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
842      of mom_common/
843      - simple re-arrangement of instructions within computing loop
844    checkpoint53d_pre
845    
846    checkpoint53c_post
847    o new version of coupler for AIM+thSIce and Ocean models
848     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
849     - land: change Evaporation of snow
850     - aim with thSIce: fix bug in snow-precip.
851    o changes to calc_gw.F
852     - bug fix for w^2 term near the bottom boundary
853     - (hopefully) improve the lateral slip boundary condtions for use with
854        partial/looped cells
855      - because the bug fix changes two verification experiments anyway (exp5
856        and plume on slope), change the lateral boundary condition from half slip
857        to the value of no_slip_sides
858    o ebm package wasnt quite up to the parallel task. Fixed that.
859    o Adjoint of EBM package + verification
860      * TLM OK
861      * ADM not sufficient accuracy yet (needs further testing)
862    
863    checkpoint53b_post
864    o Commiting new energy balance model to repository
865      * package is pkg/ebm
866      * verif. is verification/global_ocean_ebm
867      * references are in ebm_driver.F
868    C      * X. Wang, P. Stone and J. Marotzke, 1999:
869    C        Global thermohaline circulation. Part I:
870    C        Sensitivity to atmospheric moisture transport.
871    C        J. Climate 12(1), 71-82
872    C      * X. Wang, P. Stone and J. Marotzke, 1999:
873    C        Global thermohaline circulation. Part II:
874    C        Sensitivity with interactive transport.
875    C        J. Climate 12(1), 83-91
876    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
877    C        Destabilization of the thermohaline circulation
878    C        by atmospheric eddy transports.
879    C        J. Climate 7(12), 1870-1882
880    o Will need long integration testing.
881    checkpoint53b_pre
882    
883    o created pkg/mom_common in preparation for variable viscosity code
884    o renamed and split ini_mnc_io
885    o pkg/land: only liquid water can diffuse or run-off
886    o AIM using land: soil wetness availability account for snow
887    o added printMapIncludesZeros to EEPARMS namelist
888    
889    checkpoint53a_post
890    o restore TAMC compatiility for exf_constants.h
891      (no usage of _d in .h)
892    o Additional storing in KPP in an attempt to fix
893      TAMC problem with adjoint of KPP code.
894      (no success...)
895      Identical code works fine with TAF.
896    o Fixed verification/natl_box_adjoint experiments.
897      Initial conditions for Experiments 4 and 5 are now
898      set to "SEAICE_initialHEFF=0", which is more reasonable,
899      and hence gives results closer to that of Experiment 2.
900      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
901    
902    checkpoint53
903    o stable checkpoint with up to date adjoint
904      TLM tests only run for 1st grdchk at the moment. Its unclear if
905      this is a code problem or a problem with resetting code for g_
906      variables that is being autogenerated wrong.
907      Otherwise:
908       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
909       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
910         are both still in chaos following their security messes.
911    
912    checkpoint52n_post
913    o various build (mostly genmake2) changes including:
914      - ability to build/run more easily within Cygwin and MacOS X
915      - more complicated Makefiles with a stronger dependence on Gnu Make
916    o pkg/seaice modifications
917      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
918        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
919        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
920      - changed proxy for geostrophic velocity and updated
921        verification/lab_sea/results/* accordingly
922      - removed ADI dynamic solver from pkg/seaice
923      - replaced all occurrences of 1/CSTICE or 1/CSUICE
924        they caused a segmentation fault under certain circumstances
925      - removed unused field WATR
926    o bug fix in exf-package:
927      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
928         now reflect that.
929    o small fixes in the cal-package:
930      - set reference date to first of January for the 'model'-calendar
931      - failing of cal_CheckDate in cal_FullDate now actually results in a
932        warning
933    o small modifications in exf-package to increase flexibility:
934      - change climtempfreeze from a constant to a runtime parameter that
935        is specified in data.exf_clim (default = -1.9)
936      - introduce runtime parameter windstressmax (default = 2.0) that is
937        specified in data.exf
938    o fix in pkg/thsice:
939      - update Evap (Tsf changes) to be consistent with Latent heat flux
940      - maintain snow precipitation unchanged (even if Tsf >=0).
941     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
942    
943    checkpoint52m_post
944    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
945      this does not change any of the results, because myIter=0 in swfrac always
946      lead to jwtype=2 (the default anyway), but the call makes little sense
947      as a default
948    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
949    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
950      atmospheric model (AIM) to use it ; add a "slab ocean" component.
951    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
952    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
953    o extending useSingleCpuIO option to work with new exch2 I/O format
954      - old-style, missing-tile I/O is still accessible by defining CPP
955        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
956    o monitor package can write to NetCDF files and/or STDOUT
957    o fix re-definition bug in MNC_GRID_INIT_ALL()
958    o doc/api_reference added
959      - a framework for building an API Reference Manual using all
960        the "protex" comments embedded in the code
961      - see pkg/generic_advdiff, pkg/mnc for examples
962    o MNC:
963      - make myThid the last argument for all subroutines
964      - new default for the grid files: NO halos
965      - add useMNC and other run-time flags
966      - separate per-file-group handling of the unlimited dimension
967      - early initialization of MNC w/ flags read at the eeboot stage
968        and lookup tables set in initialize_fixed
969      - write all MNC output to a freshly-created directory
970    o thermodynamics sea-ice (thsice) is now tested with testreport.
971    o test exp. advect_cs: use the standard cs32 grid ; update output.
972    o Added functionality to grdchk:
973      pick global i,j,k position (or nearest wet) where to perform check.
974    
975    checkpoint52l_post
976    o new land formulation:
977      a) use ground enthalpy as prognostic variable to ensure exact
978         energy conservation.
979      b) account for water temperature and for latent heat of freezing
980         in all processes (rain, run-off, ground storage)
981      c) compute surface and ground temperature implicitly.
982    o aim_v23 modification for new land model:
983      a) Treat separately land / ocean / sea-ice surface fluxes
984         to allow implicit computation of land & sea-ice surface temp.
985      b) add snow precipitation.
986    checkpoint52l_pre
987    
988    o fix problem (when 1 tile is empty) in min/max monitor.
989    o fix bug in timeAve (u,vZetatave in common block)
990    o no restoring terms under ice for pkg/seaice
991    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
992    o bug fix for pkg/seaice pickups
993    o change MNC call locations and add coordinate attributes
994    o mask vorticity at the corner ; affects global_ocean.cs output
995    o fix ini_curvilinear_grid ; test CS experiments with mpi
996    o aim.5l_cs: modify sea-ice fraction input file ; update output
997    o exf: Adding simple range check routine for exf fields after read
998    
999    checkpoint52k_post
1000    o removed top-level directory "diags"
1001      - we migrated these functions to pkg/timeave a long time ago
1002    o fixed bug introduced in pkg/monitor
1003    o accuracy ctrlprec = 32 insuffient for gradient checks using
1004      averaged fields (I/O via cost_averages)
1005      -> use ctrl.h in active_file*.F to control I/O precision.
1006    o paramter list of CALL ADTHE_MAIN_LOOP
1007    o added initial do_the_model_io to ecco
1008    o set all ...Freq to zero after cost_final
1009      taveFreq, dumpFreq, pChkptFreq
1010    o MAIN and ECCO differentiability restored
1011    
1012    checkpoint52j_post
1013    o fix nchklev in tamc.h for global_ocean...
1014    o Bringing flow and store directives up-to-date
1015    o Really weird thing!
1016      call do_the_model_io from the_main_loop with parameters
1017      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1018      TAF places a faulty re-call of initialise_varia
1019      after cost_final call which should not be there!
1020    checkpoint52j_pre
1021    
1022    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1023      error messages
1024    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1025    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1026      debug output
1027    o modfied mdsio_writefield.F to handle non-global files under exch2
1028    o update AIM Cubed-Sphere exp (aim.5l_cs):
1029      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1030    o update AIM Equatorial Channel exp:
1031      use standard aim_v23 pkg and change the SST fields to be more realistic.
1032    o globalFile now works with exch2
1033    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1034      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1035    o limit timeave output for hi-res integrations
1036    
1037    checkpoint52i_post
1038    o removed CPP_EEOPTIONS.h from verification/*/code
1039    o updated the tiling for global_ocean_pressure
1040    checkpoint52i_pre
1041    
1042    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1043      the old pkg/aim).
1044    
1045    checkpoint52h_pre
1046    o shortened offending lines in exch2_send_rx?.template
1047    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1048    o genmake2: add build & execute test for NetCDF code
1049    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1050      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1051    o added useSingleCPUIO flag to monitor.F and mon_out.F
1052    o added temporary hack for sea-ice dynamics on the cube:
1053      metric terms are ignored and it is assumed that
1054      there is no sea-ice on cube faces 1, 2, 4, and 5.
1055    
1056    checkpoint52f_post
1057    o added exch2 cube routines to pkg/exch2
1058    o modified hs94.cs-32x32x5 to use it
1059    o added new grid files to hs94.cs-32x32x5
1060    checkpoint52f_pre
1061    
1062    checkpoint52e_post
1063    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1064      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1065    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1066      to work with implicit vertical advection and AB ;
1067    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1068    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1069     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1070    checkpoint52e_pre
1071    
1072    o fix bug in impldiff when Nr=1 or Nr=2.
1073    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1074    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1075    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1076      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1077    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1078    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1079    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1080    
1081  checkpoint52d_post  checkpoint52d_post
1082    o re-tiled many expts to allow comparison in multi-processor mode
1083      - updated output accordingly
1084      - changed hs94.128x64x5 to use intial T from file rather than use the
1085        random number generator
1086    o add infrastructure in model routines for fizhi and gridalt packages
1087  o change global_ocean.cs32x15 because of Pb with GM on CS-grid.  o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1088  o changes to permit hi-res, cubed-sphere, configuration  o changes to permit hi-res, cubed-sphere, configuration
1089    - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F    - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F

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