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revision 1.193 by edhill, Thu Oct 23 04:41:40 2003 UTC revision 1.554 by edhill, Wed Sep 28 01:59:58 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  untagged  o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
8    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
9      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
10    o add brackets in multi-terms sum to get same truncation, independent of
11      the face number (manage to get exactly same value of gU,gV at the cs-edge)
12      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
13    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
14      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
15      a maximum grid-scale Reynolds number.  Also, changes all length calculations
16      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
17      Suggested values of viscosity parameters found in mom_calc_visc.
18      Many new viscosity diagnostics available.
19    
20    checkpoint57s_post
21    o Add clearing-house for viscosity calculations, mom_calc_visc and
22      correct numerous bugs in LeithD and Smagorinsky discretizations.  
23      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
24      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
25      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
26      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
27      The Strain-Tension form is now called with useStrainTensonVisc=.true.
28      ViscAhStrain and viscAhTension are now retired.
29    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
30    o In response to JMC's bug report, genmake2 now ignores any soft-links
31      that it finds in the *current* directory when searching for files.
32      Soft-links found in any other source directories will still work as
33      they did before.
34    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
35      a C routine to unlimit the stack size
36    o mnc-ify pkg/aim snapshot vars
37    o mnc-ify pkg/land as requested by Daniel
38    o various changes to mnc including:
39      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
40      - output can now be grouped so that all files within a group
41          change the ITER portion of their names in lock-step together
42      - can now read ("global") PER-FACE (in addition to PER-TILE) files
43          and works with both EXCH1 and EXCH2 (but needs more testing)
44      - writing works for all verification test cases w/ g77 on Linux
45    
46    checkpoint57r_post
47    o make MNC variable initialization happen earlier
48    o add diagnostics for (almost) each term of the momentum Eq.
49    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
50    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
51    o remove MINIMAL_TAVE_OUTPUT option ;
52      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
53    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
54      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
55    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
56    o add time-dependent SST, SSS control
57    o cost terms in ecco/ modularized (new cost_generic.F)
58    o cost_averages routines are modularized (new cost_averagesgeneric.F)
59    o new infrastructure for seaice model vs. obs misfits in seaice/
60      * driver from the_main_loop.F is seaice_cost_driver.F
61      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
62      * gradient check in Exp. 6a of natl_box_adjoint/
63    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
64      (see README file)
65    
66    checkpoint57q_post
67    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
68    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
69      - bug was reported by Jean-Michel and Ian Fenty
70    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
71      update exp. cpl_aim+ocn output.
72    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
73      Needed for high-res. runs with large global files
74      to be able to limit tapelev size
75    o Changed some tests for adjoint:
76      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
77      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
78      * global_ocean.90x40x15/ back to default 3-level checkpointing
79    o Modifications to enable scripted COMMON to MODULE conversion
80      * verification/OpenAD/code/ has necessary scripts and description;
81      * converts, compiles and runs successfully;
82    
83    checkpoint57p_post
84    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
85    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
86      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
87    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
88    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
89      (was already the case for dissipation with mom_vecinv,
90       and also the case for grad.PhiHyd when staggered-timeStep)
91      This will allow to put dissipation out-off the AB time-stepping.
92     Unfortunately, affects truncation error. Update output of exp. that "fails"
93      (cg2d matching number) and leave the others for later: front_relax(10),
94      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
95      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
96    
97    checkpoint57o_post
98    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
99      (2) its ready to be documented during the 20050801 DocFest
100    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
101      for ideal_2D_oce and lab_sea on linux_ia32_g77
102    o set to #undef CTRL_SET_OLD_MAXCVARS_30
103      in global1x1_tot/code_seaice_adj to access indices 32, 33
104      (worth another tag)
105    
106    checkpoint57n_post
107    o adding precip control xx_precip 32
108    o adding swflux control xx_swflux 33
109    o Replacing 10 forcing penalty cost routines by 1 generic.
110    o Implementing partitioning in time-mean and variable adjustment
111      for atmos. state.
112    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
113    o in natl_box_adjoint:
114      * updated exp 1 to 10
115        (but does not have time-mean vs. variable split results yet)
116    o updated global1x1/*_seaice_adj/
117      to incorporate latest changes
118    o enable useSingleCpuIO for mdsio vector routines
119      (applies in particular to tapelev I/O)
120    o removed inefficient K-loop in all active_file*control*.F
121    
122    checkpoint57m_post
123    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
124      and advect_cs (use EXCH-2 and standard cs-32 grid files).
125    o pkg/exch2: filling of face-corner halo regions is optional
126      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
127    
128    checkpoint57l_post
129     tag before updating tutorials (pre-release-2)
130    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
131       for output and interpolation of input fields onto model grid)
132    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
133       Affects results of exp. rotating_tank ; update output.txt.
134    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
135          and taking the square quantity and/or using a fraction-weight field.
136    o fix aim_diagnostics_init.F mate numbers.
137    o add mnc output capability to diagnostics/diagstat and update
138      our cvsignore files for the ACSII output generated
139    
140    checkpoint57k_post
141    o lab_sea now uses diagnostics package and provides a suite of
142      new EXF diagnostics output.
143    
144    checkpoint57j_post
145    o exf
146      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
147        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
148        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
149      * extended diagnostics output
150        - now includes all EXF variables
151        - hs, hl moved to common block
152        - separate S/R for diagnostics, called after ctrl vector is added
153        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
154        - EXFqnet contains true Qnet (i.e. includes qsw)
155      * updated verif. lab_sea, global_with_exf
156      * Rearranging hflux (exf_mapfields -> exf_getforcing)
157        to ensure that diagnostics sees a true EXFqnet
158    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
159    o diagnostics pkg: change pointers so that 1 diagnostic can be used
160      several times with different frequencies.
161    o mnc-ify the thsice package as requested by Daniel Enderton
162      - the monitor--MNC output needs work
163      - many attributes need to be added (most are currently blank)
164    o mnc-ify theaim_v23 package as requested by Daniel Enderton
165      - many attributes need to be added (most are currently blank)
166    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
167    o add Sadourny like discretization to the 4th.O vorticity advection scheme
168    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
169      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
170         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
171    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
172     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
173    
174    checkpoint57i_post
175    o Diagnostics package was changed: diagnostic allocation is now deactivated
176      by setting an empty file name in the namelist (used to be by setting 0 frequency)
177    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
178      add 1rst Order upwind vertical Shear.
179    o add a quick fix for A/B checkpointing in OFFLINE mode
180    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
181      end-run around the C/Fortran linking horror in eesup/src/timers.F
182    o added pkg/runclock: allows user to terminate run based on wall clock
183    o added non-hydrostatic scaling parameter: nh_am2
184    o pkg/my82: futile attempt to make results compiler-independent by adding
185      some "_d 0", etc. no effect.
186    o for mnc output, fill the 'T' coordinate var with myTime and create a
187      separate 'iter' variable for iteration count
188    o pkg/diagnostics:
189      add new capability: output of Global/Regional & per-level statistics ;
190      tested against monitor output (including land & thSIce) on various exp.
191    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
192    
193    checkpoint57h_done
194      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
195      data.diagnostics, data.gchem, data.ptracers) is done.
196    
197    o pkg/diagnostics: prepare for Global/Regional statistics.
198      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
199    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
200      and rename it: DIFFERENT_MULTIPLE
201    
202    checkpoint57h_post
203    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
204    o pkg/diagnostics: change output frequency, now in seconds (instead
205      of Nb of iterations). This requires to change data.diagnostics.
206    checkpoint57h_pre
207    
208    o in mnc, let the user create the output dir if both mnc_outdir_date
209      and mnc_outdir_num are false
210    o add fflags() to pkg/diagnostics which allows one to specify, on a
211      per-file basis, the file precision [default behavior is unchanged]
212    o added diagnostics to pkg/kpp, including computation of mixed layer
213      depth based on a temperature/density criterion
214    o updated verification/natl_box to test the new pkg/kpp diagnostics
215    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
216    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
217    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
218      not mnc -- this mistake was found by JMC and is now corrected
219    
220    checkpoint57g_post
221    o add Adams-Bashforth 3rd Order time stepping:
222      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
223      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
224    checkpoint57g_pre
225    
226    o make lambda[Theta,Salt]ClimRelax spatially varying
227      (default remains spatially uniform constant based on tau)
228    o added new control variables
229      * init. uVel, vVel, etanN
230      * lambda[Theta,Salt]ClimRelax
231    o separate masks used for ctrl_pack/unpack 'from write_grid' output
232      (suggested by G. Forget)
233    
234    checkpoint57f_post
235    o add parameter "baseTime" = model base time = time at iteration zero
236      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
237      account for baseTime shift
238    o move Coriolis arrays from PARAMS.h to GRID.h
239    checkpoint57f_pre
240    
241    o mnc-ifying the seaice package
242    o introduced an alternative length scale calculation for use in the limiting
243      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
244    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
245    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
246      as well as grad(vort3).  Made it compatible with both approximate form
247      for the cubed sphere and full form of these gradients.  Added flag
248      useFullLeith to select between approximate and full form.  
249    o add "d0" in getcon.F to reduce differences between compilers/platforms
250      update output.txt of exp. fizhi-gridalt-hs
251    o change port_rand funtion to allow to set the seed.
252    o fix obscure MNC bug involving conversion between reals and integers
253      - it caused no problems with certain (eg. gcc, ifc) compilers but the
254        new version is now more standards-compliant
255    o adjoint-related modifications
256      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
257      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
258      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
259    
260    checkpoint57e_post
261    o Adding eddy stress controls a la Ferreira et al.
262    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
263    
264    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
265      update output.txt of exp. fizhi-gridalt-hs
266    o add more "Z" dimensions and associated coordinate vars to MNC
267    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
268    o parameter calendarDumps: when set, approximate months (30-31 days) and years
269      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
270      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
271      months and years.  Requires pkg/cal.
272    o diagnostics: add pickup functionality
273      - off by default for backwards compatibility
274      - current version only uses MDSIO -- MNC will be added
275    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
276    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
277    
278    checkpoint57d_post
279    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
280    o modify verification/ideal_2D_oce so that it tests the creation of mnc
281      output from the diagnostics package
282    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
283    o make genmake2 more portable by using ".$FS" instead of ".f" for more
284      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
285    o add coordinate variables to the MNC output from the diagnostics package
286    o change MNC-flags default value: true when useMNC=TRUE
287    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
288      the ability (off by default) to read the grid information using MNC
289    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
290    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
291    o do snap-shot diagnostics at the middle of the time-interval (instead of
292      at the end).
293    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
294      new test for AIM with thSIce + slab-ocean
295    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
296    o move state variable diagnostics to the beginning of the time step ;
297      (note: still needs some work specially for snap-shot diagnostics)
298      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
299    
300    checkpoint57c_post
301    o Change testing option (-ieee) to get closer agreement between g77 & ifort
302    o generate new output.txt files on faulks with g77 & the new -ieee option
303    checkpoint57c_pre
304    
305    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
306      update output.txt of exp. global_ocean.90x40x15
307    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
308      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
309    o add saltFlux(+File) forcing capability with periodicExternalForcing
310    o allow to use pkg diagnostics for GM-Redi & ThSIce output
311    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
312    o improvements for the MNC output from DIAGNOSTICS:
313      - correct handling of the unlimitied dimension
314      - all dims now have associated coordinate variables
315      - variables located at U, V, and Corner ("Z") points are now written
316        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
317        *all* data points are output
318    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
319    o added pkg/seaice/seaice_monitor.F
320    o mdsio_readfield.F can now read files visible only to master MPI process.
321    o pkg/seaice: some test code for ice-modified ocean stress
322    o exf_getffields interpolation defaults to bilinear for all scalar forcing
323      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
324      spurious negative numbers for precipitation and humidity.  Will cause
325      some small numerical differences for integrations using pkg/exf/exf_interp.F.
326    o pkg/ctrl/
327      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
328        May be enabled via doPackDiag
329      *  introduce z-scaling of
330         + gradient (doZscalePack) and
331         + control (doZscaleUnpack)
332    o pkg/mdsio/
333      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
334      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
335    
336    checkpoint57b_post
337    o simplify options in diagnostics_fill arguments (remove weird combinations)
338    o fix MNC coordinate variables so that they now contain per-face index
339      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
340      general, EXCH2 grids are only aligned to a "local" coordinate system
341    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
342    o Implement instantaneous output within pkg diagnostics:
343      setting a negative frequency in data.diagnostics produces
344     "snap-shot" output (as opposed to time-average if freq > 0)
345    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
346      NOTE: change ptracer diagnostics name: use 2 characters to work with
347            more than 9 tracers. Add also diagnostics of advect & diffus flux.
348    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
349      becomes the coordinate variable for the 'T' dimension
350    o add CF-style coordinate variables to MNC
351      - just a first cut:  numbers are meaningless on the cubesphere and
352        missing along the T axis but otherwise it works!
353    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
354    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
355    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
356      this is based directly on what the model compute, so that the content of
357      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
358    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
359    o clean up build options files for SunOS, in particular
360      - remove -traditional from xmakedepend
361      - change -xarch=v9 to -xarch=native for f77
362      - restore use of make (not gmake)
363      - add CC=gcc if using g77
364    o changes per discussion of AM, JMC, & EH3 today:
365      - move redundant "grid" variables out of "state" -- in preparation of
366        creating proper CF-style coordinate variables and in recognition
367        that any/all grid variables can be easily copied (eg. w/NCO) from
368        the grid files into any of the other NetCDF files
369      - *always* output grid variables with MDSIO (this will eventually be
370        changed)
371      - output MNC grid file if useMNC is true
372    o every instance of _END_MASTER() has been found and replaced with
373      _END_MASTER( myThid ) in order to satisfy certain picky Sun
374      preprocessors
375    o re-arrange diagnostics pkg initialisation:
376     - allow each package to extend the available diagnostics list
377     - add some checking and fix small problems (multi-threaded, ...)
378     - new S/R diagnostics_fill (replace fill_diagnostics):
379       look through the short list of active diag. (instead of the long list)
380       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
381    
382    checkpoint57a_post
383    o this set of changes restores TAMC compatibility
384      tested for global_ocean.90x40x15 adjoint on trough
385      (what a pain)
386    
387    checkpoint57a_pre
388    o some modifs in tools/build_options for sunos
389    o call ctrl_pack for ctrl at end for optimcycle=0
390    
391    checkpoint57
392    o add horizontal bi-harmonic viscosity for vertical velocity
393      - new parameter viscA4W (defaults to viscA4)
394      - affects only non-hydrostatic code
395      - to be done: no-slip lateral boundary conditions
396    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
397    o implement Implicit Vertical advection for pTracers
398    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
399      (implemented also for implicit vertical diffusion & advection)
400    o OBCS: extend application of tracer open boundary conditions
401      to a strip beyond the boundary of width Olx/Oly
402    o add call monitor to TAF set of required calls (flow directives)
403      and include in natl_box_adjoint
404    o untangle a few ifdefs related to cost, ctrl, autodiff
405      untangel a few ALLOW_ECCO_OPTIMIZATION
406    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
407      (theta2, salt2 in ecco_cost_weights)
408    
409    checkpoint56c_post
410    o OBCS as control variables
411      - update ctrl_ad_diff.list, obcs_ad_diff.list
412      - remove balance of obcs controls from default
413      - fix index bug nobcs in ctrl_init
414      - fix dummy fields filen in ctrl_pack
415      - add dummy weights for obcs
416    o lsopt: comment out fort.94 output
417    o optim:
418      - remove unnecessary header files
419      - adjusted namelists
420      - add xerbla.F to Makefile
421    o exf:
422      - multiple modifications of exf_check_range
423      - unit change in exf_init_runoff from [m/year] to [m/s]
424    o mdsio:
425      - i/o-vector change debugLevel from debLevA to debLevB
426    
427    checkpoint56b_post
428    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
429      is called from DO_THE_MODEL_IO
430      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
431      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
432      - clean up PTRACERS_WRITE_TIMEAVE a little
433    o add another verification experiment that tests both the cfc-pkg and
434      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
435      reactive tendencies treated inline with regular timestepping
436    o testreport previously did a lousy job of comparing small numbers, so
437      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
438      implemented in the little c-progam tmp_cmpnum.c which is embedded in
439      testreport.
440    o ptracers_monitor: bug fix for MPI
441    
442    checkpoint56a_post
443    o GCHEM: finish reorganizating the package
444      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
445        (introduces another 3D-array for each passive tracer, but only if
446        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
447        gchemTendency is not needed because the timestep is done separately)
448      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
449      - GCHEM is now---more or less cleanly---separate from PTRACERS
450      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
451        so clear to me how that should be done in a general way.
452    o CFC: improve formatting of output in CFC_ATMOS
453    o PTRACERS:
454      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
455        that ALL experiments with ptracers enable can be checked. This makes
456        GCHEM_MONITOR obsolete.
457      - include a runtime parameter PTRACERS_monitorFreq that defaults to
458        monitorFreq
459      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
460    o add PTRACERS (PTR0[1-5]) to testreport output
461    o exf_check_range:
462      * default changed to .TRUE.
463      * will check values for niter0 if debLevA, every timestep if debLevB
464      * STOP in exf_check_range if 'out of range'
465      * range chosen generous to allow for potential extema
466      TBD: a version with stricter range
467           permitted range would be runtime parameters
468    o GMredi:
469      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
470      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
471      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
472    o GCHEM:
473      - move call to GCHEM_FORCING_SEP, so that it is now called before
474        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
475      - introduced a useGCHEM runtime flag and applied it everywhere.
476      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
477        this flag is now only visible within GCHEM-pkg routines.
478      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
479        be replaced by a 3D array that is computed before thermodynamics; for
480        this, the tracer ID iTracer had to be included into the parameter list
481        of ptracers_forcing
482      - set up forward_step to call gchem_forcing, that will replace
483        gchem_forcing_int in ptracers_forcing
484      - cleaning up
485    o small cleaning of exch2: remove files that are also in eesupp/src
486    
487    checkpoint56
488    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
489    o mnc: cleanup "full" files--fixes out-of-memory problem
490    o ECCO-GODAE
491      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
492      * fully merged and updated from SIO code
493        windstress sign change affects
494        - exf_inscal_[u/v]stress
495        - sign of xx_tau[u/v] adjustments
496        - signs in cost_scat
497      * ctrl_get_gen: avoid update of tau[u/v] for first few days
498      * natl_box_adjoint updated and compressed
499      * 2-level checkpoint switch added
500        (tested in EXP. 1 of natl_box_adjoint)
501      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
502    o SVD
503      * first complete, non-hacked version for SVD calculations
504      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
505        performed via direct access files admtlm_vector.it????
506        (via ctrl_[un]pack)
507      * optimcycle is used for ARPACK iteration counter
508        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
509      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
510        and add linear transforms where necessary
511      * controls are initial/final SST, SSS (can be extended; need to check
512        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
513    o mdsio: filename info to both stderr, stdout
514    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
515      from sign change
516    
517    checkpoint55j_post
518    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
519      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
520    o add consistent build directories and .cvsignore files to verification
521    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
522    o make all subroutines 30 or less characters in length for certain older
523      compilers to work (a thorough search only turns up two routines in
524      pkg/ptracers)
525    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
526      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
527    
528    checkpoint55i_post
529    o change arrays for total vertical diffusivity (2.D if explicit,
530      3.D if implicit) ; each ptracer uses its own background value.
531    o added mnc/NetCDF output capability to ocn_compon_interf
532      - added bits to verification/cpl_aim+ocn so that it can run on
533        ITRDA and other clusters without the mpirun "-wd" option
534    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
535      configuration
536    o give MNC the ability to create additional files rather than
537      exceeding a specified file size limit "MNC_MAX_FILESIZE"
538      - the default is just less than 2GB which is a practical limit
539        on many systems
540    o Compute the non-local term using either KPP vertical diffusivity (=default)
541       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
542    
543    checkpoint55h_post
544    o add verification test "vermix"
545    o remove all the *_ioinc flags and replace with the single global
546      outputTypesInclusive flag
547    o allow to set a vertical profile of vertical diffusivity for T & S
548    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
549    o useMNC moved from data.mnc to data.pkg
550    
551    checkpoint55g_post
552    o Renaming carbon AD experiments to comply with testreport conventions
553    o Updating adjoint of Held-Suarez hs94.1x64x5
554    o Fixing directives for non-ECCO forward_step, after ECCO directives
555      have been fixed to avoid recomp. of do_oceanic_phys
556      Works well for global_ocean.90x40x15,
557      but recomp. issue remains for carbon
558    o Updating adjoint output for natl_box_adjoint after
559      pkg/ecco has been modified (see taga c55d_post)
560    
561    checkpoint55f_post
562    o rename to timeave_init_fixed
563    
564    checkpoint55e_post
565    o some delicate re-shuffle of store directives to avoid one
566      extra call of do_oceanic_physics
567      affects ecco_the_main_loop.F, do_oceanic_physics.F
568      checkpoint_lev1_directives.h
569    o NB: this may break global_ocean adjoint temporarily,
570      but it is clear how to fix it. Will do later, need this now.
571    
572    checkpoint55d_post
573    o ECCO specific cost function terms (up-to-date with 1x1 runs)
574    o ecco_cost_weights is modified to 1x1 runs
575    o modifs to allow observations to be read in as
576      single file or yearly files
577    o enable to read exf forcing fields as either
578      single file or yearly files (flag useExfYearlyFields)
579    checkpoint55d_pre
580    
581    o switch between 2-level and 3-level checkpointing
582    o add ability of MNC to write local and "partial" (eg. 2D slices where
583      the full 3D field is never actually stored) arrays to NetCDF files
584      with the correct (that is, the complete multi-dimensional) set of
585      array indicies
586      - used in mom_vecinv() to write the diagFreq output
587      - tested (demonstrated) in verification/aim.5l_cs
588    o further mnc-ification
589      - add verification/lab_sea to the list with mnc setups
590      - fix undefined mnc v-names in cd_code
591      - add kpp to mnc output (both snapshot and timeave)
592    o non-hydrostatic code
593      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
594        in calc_gw.F
595      - defaults to viscAh
596      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
597        friction or Leith) in non-hydrostatic mode, as long as there is
598        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
599    o pkg/cost
600      extend simple cost functions to treat time mean quantities
601      (T,U,V) via cost_accumulate_state from cost_tile
602    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
603        be 2 times larger than the minimum size the advection scheme requires.
604        now get a perfect conservation of salt in advect_cs test-exp (updated)
605    o GGL90 (Gaspar's TKE mixed layer)
606      - add horizontal diffusion of TKE, requires exchanges in
607        do_fields_blocking_exchanges, horizontal diffusivity is zero by
608        default. In OPA there is no horizontal diffusion of TKE but the
609        mixing coefficients are computed from a horizontal average of TKE of
610        6 points or so. I think that diffusion has a little more physical
611        justification.
612      - clean up ggl90_calc in the hope of reducing memory usage (this hope
613        was in vain)
614      - mask tke-variable in ggl90_init
615    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
616    o fix biharmonic diffusion on CS-grid.
617    o more obcs stuff
618      - added obcs_external_fields_load as an alternative to the EXF-pkg option
619        for reading boundary values. This routine is called from
620        obcs_prescribe_read
621      - updated obcs_check
622      - changed sponge layer relaxation parameter units for days to seconds
623      - turned off sponge layer by default
624      - changed argument list of OBCS_CALC to myTime+deltaTclock
625      - fixed about 35 bugs in obcs_external_fields_load
626    
627    checkpoint55c_post
628    o obcs stuff
629      - new runtime flags useOBCSprescribe, useOBCSbalance
630      - re-arranged obcs_calc
631      - moved exf_getobcs to obcs_prescibe_read
632        obcs_prescibe_read is called after ORLANSKI stuff
633        and independent of it (executable can contain all).
634      - updated obcs_check
635      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
636        These may be necessary only if tangential velocities are
637        prescribed at OB, not sure, needs testing.
638    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
639      which simplifies the calls and passes the ifc check-bounds test
640    
641    checkpoint55b_post
642    o add a 2D scalar, Z location, exchange_2 routine.
643    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
644      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
645      affects advect_cs results (for the wrong reason): update output.txt
646    o use a more standard discretization for biharmonic viscosity ;
647     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
648      affects results of dome set-up: update output.txt
649    o fix gad_advection.F (CubedSphere part), back to version 1.23
650    o fix bug in mom_vi_del2uv.F (CubedSphere part).
651    
652    checkpoint55a_post
653    o merged code to
654      * prescribe/read time-dependent open boundaries
655        (works in conjunction with exf, cal)
656      * sponge layer code for open boundaries
657      * each boundary N/S/E/W now has its own CPP option
658        (healthy for the adjoint)
659    
660    checkpoint55
661    o up-to-date adjoint of previous breaks
662      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
663      - global_ocean_ebm: adjoint still needs fix (TLM ok)
664      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
665      - carbon: * remove tr1-related adjoint verification
666                * add ptracer as control variable
667    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
668      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
669    
670    checkpoint54f_post
671    o in verification/carbin/ remove experiment related to
672      ALLOW_PASSIVE_TRACER (array tr1 etc)
673      code_ad/ input_ad/ results_ad
674    
675    o add two new packages
676      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
677        + subject to optimization (memory)
678      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
679        + subject to reordering (many GOTOs in the original code)
680        + so far opps is called for every (i,j) point, and then operates in
681          the vertical; one may want to reorder the scheme in order operate in
682          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
683          fields)
684    o overhaul of IO so that we now have flags for MDSIO and/or MNC
685      - all verification tests compile and run with linux_ia32_g77
686      - defaults are compatible with current input files--nothing
687        should change if you were not previously using MNC
688      - MNC output has been added in numerous places (eg. timeave)
689        but there are still a few writes not yet do-able with MNC
690        (this is in progress)
691      - flags now allow for either/or/both use of MDSIO and MNC and
692        documentation will soon follow
693      - numerous small formatting cleanups for ProTeX
694    o add version info (via BUILD_INFO.h) to MNC and stdout
695    
696    checkpoint54e_post
697    o add two new packages
698      - pp81 (Packanowski and Philander, 1981), Richardson number and
699        stratification dependent mixing
700      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
701      - these scheme operate in a similar manner as KPP (without ghat, of
702        course), however there is only one diffusivity that is used for both
703        temperature and salinity (and passive tracers)ç
704    o add offline package
705    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
706      provided by Stephanie Dutkiewicz
707    o genmake2: add ability to search for C compilers and cleanup test output
708      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
709    
710    checkpoint54d_post
711    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
712    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
713      leading to additional shift by 5 days each year of integration
714       (i.e. leading to considerable offset over the years)
715    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
716    o start with no AB and no initial filtering (staggerTimeStep):
717      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
718    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
719      (external loading & cpl import/export stay in forward_step.F)
720    o update coupling interface to work with new staggerTimeStep
721    o change MDSIO ptracers_pickup.
722    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
723    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
724    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
725    
726    checkpoint54c_post
727    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
728      this affects (truncation error) output.txt of test-exp:
729       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
730    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
731    o change Qnet to always be the net heat flux, (+upward).
732      affects (truncation error) output of natl_box exp.: updated
733    o define the max number of passive tracers in PTRACERS_SIZE.h
734    o start to test mnc routinely in exp0
735    o add sea-ice loading (sIceLoad) as a new forcing field.
736    
737    checkpoint54b_post
738    o add testreport "-j JOBS" option for parallel builds (tested and pretty
739       impressive on Altix and Opteron systems)
740    o diagnostics can now write NetCDF files through the mnc package
741    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
742    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
743    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
744      affects (truncation error) output of lab_sea & natl_box exp.: updated
745    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
746    
747    checkpoint54a_post
748    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
749    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
750    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
751    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
752      + internal_wave (shift in writing cg2d_ini_res)
753    checkpoint54a_pre
754    
755    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
756      - modified verification/lab_sea and natl_box_adjoint accordingly
757    
758    checkpoint54
759    checkpoint53g_post
760    o prepare splitting of thermodynamics: store convect.counter in common block
761    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
762      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
763    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
764    o new parameter "nShapS": allow to treat differently S from T (nShapT)
765    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
766    o restore adjointability
767    
768    checkpoint53f_post
769    o modifications that affect AIM experiment results (update output.txt):
770      - no advection of S at top interface Nr (pkg/generic_advdiff)
771      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
772    o AIM pkg:
773      - include stability function into surf.Flux derivative relative to Tsurf
774      - calculate clear-sky radiation & surface temp. change (for diagnostics)
775    
776    checkpoint53e_post
777    o merged cylindrical coord configuration
778    o added rotating_tank experiment
779    checkpoint53e_pre
780    
781    checkpoint53d_post
782    o faulks upgraded: re-generate output.txt that have changed:
783       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
784    o Added Bryan and Lewis, 1979, vertical diffusivity profile
785    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
786    o added Sadourny discretization of Coriolis
787      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
788      - re-enabled use of omega3 (useAbsVorticity)
789    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
790      vector-invariant equations
791      - note: does *NOT* yet use same variable visc. for no-slip BC's.
792    o recoded the lateral boundary conditions for non-hydrostatic w, this time
793      hopefully without new bugs
794      - still to do: biharmonic friction for non-hydrostatic w
795    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
796    o regenerated output for global_ocean_ebm (using -ieee)
797    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
798      of mom_common/
799      - simple re-arrangement of instructions within computing loop
800    checkpoint53d_pre
801    
802    checkpoint53c_post
803    o new version of coupler for AIM+thSIce and Ocean models
804     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
805     - land: change Evaporation of snow
806     - aim with thSIce: fix bug in snow-precip.
807    o changes to calc_gw.F
808     - bug fix for w^2 term near the bottom boundary
809     - (hopefully) improve the lateral slip boundary condtions for use with
810        partial/looped cells
811      - because the bug fix changes two verification experiments anyway (exp5
812        and plume on slope), change the lateral boundary condition from half slip
813        to the value of no_slip_sides
814    o ebm package wasnt quite up to the parallel task. Fixed that.
815    o Adjoint of EBM package + verification
816      * TLM OK
817      * ADM not sufficient accuracy yet (needs further testing)
818    
819    checkpoint53b_post
820    o Commiting new energy balance model to repository
821      * package is pkg/ebm
822      * verif. is verification/global_ocean_ebm
823      * references are in ebm_driver.F
824    C      * X. Wang, P. Stone and J. Marotzke, 1999:
825    C        Global thermohaline circulation. Part I:
826    C        Sensitivity to atmospheric moisture transport.
827    C        J. Climate 12(1), 71-82
828    C      * X. Wang, P. Stone and J. Marotzke, 1999:
829    C        Global thermohaline circulation. Part II:
830    C        Sensitivity with interactive transport.
831    C        J. Climate 12(1), 83-91
832    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
833    C        Destabilization of the thermohaline circulation
834    C        by atmospheric eddy transports.
835    C        J. Climate 7(12), 1870-1882
836    o Will need long integration testing.
837    checkpoint53b_pre
838    
839    o created pkg/mom_common in preparation for variable viscosity code
840    o renamed and split ini_mnc_io
841    o pkg/land: only liquid water can diffuse or run-off
842    o AIM using land: soil wetness availability account for snow
843    o added printMapIncludesZeros to EEPARMS namelist
844    
845    checkpoint53a_post
846    o restore TAMC compatiility for exf_constants.h
847      (no usage of _d in .h)
848    o Additional storing in KPP in an attempt to fix
849      TAMC problem with adjoint of KPP code.
850      (no success...)
851      Identical code works fine with TAF.
852    o Fixed verification/natl_box_adjoint experiments.
853      Initial conditions for Experiments 4 and 5 are now
854      set to "SEAICE_initialHEFF=0", which is more reasonable,
855      and hence gives results closer to that of Experiment 2.
856      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
857    
858    checkpoint53
859    o stable checkpoint with up to date adjoint
860      TLM tests only run for 1st grdchk at the moment. Its unclear if
861      this is a code problem or a problem with resetting code for g_
862      variables that is being autogenerated wrong.
863      Otherwise:
864       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
865       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
866         are both still in chaos following their security messes.
867    
868    checkpoint52n_post
869    o various build (mostly genmake2) changes including:
870      - ability to build/run more easily within Cygwin and MacOS X
871      - more complicated Makefiles with a stronger dependence on Gnu Make
872    o pkg/seaice modifications
873      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
874        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
875        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
876      - changed proxy for geostrophic velocity and updated
877        verification/lab_sea/results/* accordingly
878      - removed ADI dynamic solver from pkg/seaice
879      - replaced all occurrences of 1/CSTICE or 1/CSUICE
880        they caused a segmentation fault under certain circumstances
881      - removed unused field WATR
882    o bug fix in exf-package:
883      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
884         now reflect that.
885    o small fixes in the cal-package:
886      - set reference date to first of January for the 'model'-calendar
887      - failing of cal_CheckDate in cal_FullDate now actually results in a
888        warning
889    o small modifications in exf-package to increase flexibility:
890      - change climtempfreeze from a constant to a runtime parameter that
891        is specified in data.exf_clim (default = -1.9)
892      - introduce runtime parameter windstressmax (default = 2.0) that is
893        specified in data.exf
894    o fix in pkg/thsice:
895      - update Evap (Tsf changes) to be consistent with Latent heat flux
896      - maintain snow precipitation unchanged (even if Tsf >=0).
897     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
898    
899    checkpoint52m_post
900    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
901      this does not change any of the results, because myIter=0 in swfrac always
902      lead to jwtype=2 (the default anyway), but the call makes little sense
903      as a default
904    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
905    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
906      atmospheric model (AIM) to use it ; add a "slab ocean" component.
907    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
908    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
909    o extending useSingleCpuIO option to work with new exch2 I/O format
910      - old-style, missing-tile I/O is still accessible by defining CPP
911        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
912    o monitor package can write to NetCDF files and/or STDOUT
913    o fix re-definition bug in MNC_GRID_INIT_ALL()
914    o doc/api_reference added
915      - a framework for building an API Reference Manual using all
916        the "protex" comments embedded in the code
917      - see pkg/generic_advdiff, pkg/mnc for examples
918    o MNC:
919      - make myThid the last argument for all subroutines
920      - new default for the grid files: NO halos
921      - add useMNC and other run-time flags
922      - separate per-file-group handling of the unlimited dimension
923      - early initialization of MNC w/ flags read at the eeboot stage
924        and lookup tables set in initialize_fixed
925      - write all MNC output to a freshly-created directory
926    o thermodynamics sea-ice (thsice) is now tested with testreport.
927    o test exp. advect_cs: use the standard cs32 grid ; update output.
928    o Added functionality to grdchk:
929      pick global i,j,k position (or nearest wet) where to perform check.
930    
931    checkpoint52l_post
932    o new land formulation:
933      a) use ground enthalpy as prognostic variable to ensure exact
934         energy conservation.
935      b) account for water temperature and for latent heat of freezing
936         in all processes (rain, run-off, ground storage)
937      c) compute surface and ground temperature implicitly.
938    o aim_v23 modification for new land model:
939      a) Treat separately land / ocean / sea-ice surface fluxes
940         to allow implicit computation of land & sea-ice surface temp.
941      b) add snow precipitation.
942    checkpoint52l_pre
943    
944    o fix problem (when 1 tile is empty) in min/max monitor.
945    o fix bug in timeAve (u,vZetatave in common block)
946    o no restoring terms under ice for pkg/seaice
947    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
948    o bug fix for pkg/seaice pickups
949    o change MNC call locations and add coordinate attributes
950    o mask vorticity at the corner ; affects global_ocean.cs output
951    o fix ini_curvilinear_grid ; test CS experiments with mpi
952    o aim.5l_cs: modify sea-ice fraction input file ; update output
953    o exf: Adding simple range check routine for exf fields after read
954    
955    checkpoint52k_post
956    o removed top-level directory "diags"
957      - we migrated these functions to pkg/timeave a long time ago
958    o fixed bug introduced in pkg/monitor
959    o accuracy ctrlprec = 32 insuffient for gradient checks using
960      averaged fields (I/O via cost_averages)
961      -> use ctrl.h in active_file*.F to control I/O precision.
962    o paramter list of CALL ADTHE_MAIN_LOOP
963    o added initial do_the_model_io to ecco
964    o set all ...Freq to zero after cost_final
965      taveFreq, dumpFreq, pChkptFreq
966    o MAIN and ECCO differentiability restored
967    
968    checkpoint52j_post
969    o fix nchklev in tamc.h for global_ocean...
970    o Bringing flow and store directives up-to-date
971    o Really weird thing!
972      call do_the_model_io from the_main_loop with parameters
973      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
974      TAF places a faulty re-call of initialise_varia
975      after cost_final call which should not be there!
976    checkpoint52j_pre
977    
978    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
979      error messages
980    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
981    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
982      debug output
983    o modfied mdsio_writefield.F to handle non-global files under exch2
984    o update AIM Cubed-Sphere exp (aim.5l_cs):
985      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
986    o update AIM Equatorial Channel exp:
987      use standard aim_v23 pkg and change the SST fields to be more realistic.
988    o globalFile now works with exch2
989    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
990      mon_vort3.F to make exch2 friendly with >1 tile per cube face
991    o limit timeave output for hi-res integrations
992    
993    checkpoint52i_post
994    o removed CPP_EEOPTIONS.h from verification/*/code
995    o updated the tiling for global_ocean_pressure
996    checkpoint52i_pre
997    
998    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
999      the old pkg/aim).
1000    
1001    checkpoint52h_pre
1002    o shortened offending lines in exch2_send_rx?.template
1003    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1004    o genmake2: add build & execute test for NetCDF code
1005    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1006      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1007    o added useSingleCPUIO flag to monitor.F and mon_out.F
1008    o added temporary hack for sea-ice dynamics on the cube:
1009      metric terms are ignored and it is assumed that
1010      there is no sea-ice on cube faces 1, 2, 4, and 5.
1011    
1012    checkpoint52f_post
1013    o added exch2 cube routines to pkg/exch2
1014    o modified hs94.cs-32x32x5 to use it
1015    o added new grid files to hs94.cs-32x32x5
1016    checkpoint52f_pre
1017    
1018    checkpoint52e_post
1019    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1020      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1021    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1022      to work with implicit vertical advection and AB ;
1023    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1024    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1025     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1026    checkpoint52e_pre
1027    
1028    o fix bug in impldiff when Nr=1 or Nr=2.
1029    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1030    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1031    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1032      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1033    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1034    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1035    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1036    
1037    checkpoint52d_post
1038    o re-tiled many expts to allow comparison in multi-processor mode
1039      - updated output accordingly
1040      - changed hs94.128x64x5 to use intial T from file rather than use the
1041        random number generator
1042    o add infrastructure in model routines for fizhi and gridalt packages
1043    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1044    o changes to permit hi-res, cubed-sphere, configuration
1045      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1046      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1047      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1048        of surface winds for the cube
1049      (A verification experiment, based on global_ocean.cs32x15, but with
1050       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1051       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1052       complete with example surface forcing files and matlab scripts to look
1053       at the output and compare it with that of global_ocean.cs32x15.)
1054    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1055       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1056       to conform to the common rule.
1057    o check-in the first version of the coupler + interfaces for multi-components
1058       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1059       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1060       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1061       - ocean and atmos. share the same horizontal grid (no interpolation).
1062       - exchanges between component and coupler is done in forward_step
1063    o new verification experiment, cpl_aim+ocn:
1064       coupled ocean - AIM atmosphere on cs32 grid.
1065    
1066    checkpoint52d_pre
1067    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1068    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1069    
1070    checkpoint52c_post
1071    o Fixing OPTIONS files for use of exf:
1072      - ALLOW_ECCO not needed
1073      - ECCO_CPPOPTIONS.h should not be included from
1074        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1075        as has been the case in the past
1076      - All cal/exf related options are currently set in
1077        single header file. Should remain so until we
1078        agree on a consistent new policy.
1079    o Removed all CPP options for cal package.
1080      cal has no more CPP options.
1081    o modified STOREs in GAD_ADVECTION
1082    o corrected key comp. for passkey
1083    
1084    checkpoint52b_post
1085    o new version: "thsice" of thermodynamic sea-ice pkg:
1086     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1087     - modify fluxes but do not change theta directly;
1088     - light cleaning of bulk_force pkg (still needed with thsice).
1089     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1090       + output_thsice.txt to test thsice & bulk_force pkgs.
1091    o put back grid & coriolis monitor output.
1092    checkpoint52b_pre
1093    
1094    o call "do_the_model_io" at the beginning (=> dump initial state)
1095    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1096    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1097      (need info on NUMBER_OF_PTRACERS)
1098    o missing PTRACERS headers in some routines
1099    o default tamc.h in pkg/autodiff supposed to crash
1100      to ensure proper customization
1101    
1102    checkpoint52a_post
1103    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1104      - moved surfaceTendencyTice from pkg/seaice to main code
1105      - subroutine FREEZE_SURFACE now limits only surface temperature
1106        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1107        => new output.txt for global_ocean.cs32x15 & global_with_exf
1108      - keep the old version of FREEZE for backward compatibility;
1109        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1110      - corresponding modifs for TAF directives
1111    o added surface flux output variables to TIMEAVE_STATVARS
1112    o time-averaged output for pkg/ptracers
1113    o fix problem with ECCO-related divided adjoint
1114      snapshot file was missing some ad-variables,
1115      but no warning issued by TAF
1116    
1117    checkpoint52a_pre
1118    o some bug fixes for #undef REAL4_IS_SLOW
1119    
1120    checkpoint52 = ecco_c52_e35
1121    o after testing adjoints of checkpoint51u_post
1122    
1123    checkpoint51u_post
1124    o this is the post-merge tag of the ecco-branch
1125      (needs another clean checkout and re-testing)
1126    o various natl_box_adjoint configs and results
1127      but no input fields
1128    o obcs adjoint not yet merged!
1129    o adding ECCO global 1x1 and 2x2 degree configs
1130    o updated/extended some store directives for seaice
1131    o pkg/ecco now containes ecco-specific part of cost function
1132    o top level routines the_main_loop, forward_step
1133      supersede those in model/src/
1134      previous input data.cost now in data.ecco
1135      (new namelist ecco_cost_nml)
1136    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1137    
1138    checkpoint51t_post
1139    o this is the pre-merge tag of the ecco-branch
1140    
1141    checkpoint51s_post
1142    o cleanup: removed various obsolete #define-s
1143    o pkg/grdchk
1144      - renamed 'ph-grd 3' to 'grad-res'
1145      - merged from ecco-branch
1146        (remaining bug fixes for obcs gradient checks)
1147      - additional high-precision output for testreport
1148        (grep for 'precision_grdchk_result')
1149    
1150    checkpoint51r_post
1151    o cleaned up or removed CPP_OPTIONS.h files
1152    o updated results for some of the tests to reflect the new
1153      optfiles (-ieee: -O0 instead of -O3)
1154    
1155    checkpoint51q_post
1156    o cd_code:
1157      - moved cd_scheme.F -> cd_code_scheme.F
1158      - separate read_checkpoint from cd_code_ini_vars.F
1159      - separated cd_code part from write_checkpoint
1160      - updated AD_SOURCE, generated .flow
1161      - added CD_CODE_VARS.h to the_main_loop
1162      - Moving cd_code specific store dir.s to pkg/cd_code
1163    o ctrl package totally restructured
1164      - pack/unpack now optional and decoupled from
1165        xx_/adxx_ I/O
1166      - ctrl_pack/unpack cleaned
1167        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1168      - confined inclusion of AD_CONFIG.h to where necessary.
1169    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1170    
1171    checkpoint51p_post
1172    o create initial cd_code package
1173      - WARNING: the initialization of fields within packages
1174        is broken because INI_FIELDS (where READ_CHECKPOINT is
1175        called) is called *before* PACKAGES_INIT_VARIABLES.
1176        This seems to be backwards since
1177        1) its important to initially zero the entire field including
1178           the "halo" region
1179        2) zeroing needs to be done *before* reading pickup info
1180           and the pickup call might or might not happen in any
1181           particular run
1182      - this needs an overhaul for R2
1183    o cleanup verification/*/code/GMREDI_OPTIONS.h
1184    o cleanup testreport
1185    
1186    checkpoint51o_post
1187    o bringing AD-related verif's up to date with genmake2
1188      - carbon/
1189      - global_ocean.90x40x15/
1190      - hs.94.1x64x5/
1191      - (front_relax/ )
1192    o (more) consistent directory structure for AD-related verif.'s
1193    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1194    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1195    o bug fix in find_alpha.F for MDJWF:
1196      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1197        change rho -> rho-rhoConst
1198      - replace call find_rho to find_rhonum
1199    o initialisation of rFlx extended to full array (required by TAF)
1200      and shifted to thermodynamics
1201    o removed PTRACERS.h in ptracers routine
1202    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1203    o Correcting initialisations for fVerU, fVerV.
1204    o helping TAF to recognize dependency on kUp for
1205      fVerU, fVerV
1206    o Replacing delZ by delR in pkg/ctrl/
1207    checkpoint51o_pre
1208    
1209    o undid all of cp51 pending some cleanups and discussion
1210    o added the [#include "AD_CONFIG.h"] statement to all files that need
1211       it for adjoint/tl #defines
1212     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1213     o removed tools/genmake since it no longer works
1214    
1215    checkpoint51n_post
1216    o modifications to make FREEZE flux visible to pkg/kpp
1217      - moved surfaceTendencyTice from pkg/seaice to main code
1218      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1219      - subroutine FREEZE now limits only surface temperature
1220        (this means new output.txt for global_ocean.90x40x15,
1221         global_ocean.cs32x15, and global_with_exf)
1222    o added surface flux output variables to TIMEAVE_STATVARS
1223    
1224    checkpoint51n_pre
1225  o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F  o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1226  o added [#include "AD_CONFIG.h"] to all files that use the following  o added [#include "AD_CONFIG.h"] to all files that use the following
1227    defines:    defines:

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