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revision 1.60 by jmc, Sun Feb 10 20:07:14 2002 UTC revision 1.537 by jmc, Thu Aug 25 22:21:43 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 SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
8    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
9    o remove MINIMAL_TAVE_OUTPUT option ;
10      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
11    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
12      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
13    
14    checkpoint57q_post
15    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
16    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
17      - bug was reported by Jean-Michel and Ian Fenty
18    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
19      update exp. cpl_aim+ocn output.
20    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
21      Needed for high-res. runs with large global files
22      to be able to limit tapelev size
23    o Changed some tests for adjoint:
24      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
25      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
26      * global_ocean.90x40x15/ back to default 3-level checkpointing
27    o Modifications to enable scripted COMMON to MODULE conversion
28      * verification/OpenAD/code/ has necessary scripts and description;
29      * converts, compiles and runs successfully;
30    
31    checkpoint57p_post
32    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
33    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
34      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
35    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
36    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
37      (was already the case for dissipation with mom_vecinv,
38       and also the case for grad.PhiHyd when staggered-timeStep)
39      This will allow to put dissipation out-off the AB time-stepping.
40     Unfortunately, affects truncation error. Update output of exp. that "fails"
41      (cg2d matching number) and leave the others for later: front_relax(10),
42      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
43      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
44    
45    checkpoint57o_post
46    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
47      (2) its ready to be documented during the 20050801 DocFest
48    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
49      for ideal_2D_oce and lab_sea on linux_ia32_g77
50    o set to #undef CTRL_SET_OLD_MAXCVARS_30
51      in global1x1_tot/code_seaice_adj to access indices 32, 33
52      (worth another tag)
53    
54    checkpoint57n_post
55    o adding precip control xx_precip 32
56    o adding swflux control xx_swflux 33
57    o Replacing 10 forcing penalty cost routines by 1 generic.
58    o Implementing partitioning in time-mean and variable adjustment
59      for atmos. state.
60    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
61    o in natl_box_adjoint:
62      * updated exp 1 to 10
63        (but does not have time-mean vs. variable split results yet)
64    o updated global1x1/*_seaice_adj/
65      to incorporate latest changes
66    o enable useSingleCpuIO for mdsio vector routines
67      (applies in particular to tapelev I/O)
68    o removed inefficient K-loop in all active_file*control*.F
69    
70    checkpoint57m_post
71    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
72      and advect_cs (use EXCH-2 and standard cs-32 grid files).
73    o pkg/exch2: filling of face-corner halo regions is optional
74      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
75    
76    checkpoint57l_post
77     tag before updating tutorials (pre-release-2)
78    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
79       for output and interpolation of input fields onto model grid)
80    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
81       Affects results of exp. rotating_tank ; update output.txt.
82    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
83          and taking the square quantity and/or using a fraction-weight field.
84    o fix aim_diagnostics_init.F mate numbers.
85    o add mnc output capability to diagnostics/diagstat and update
86      our cvsignore files for the ACSII output generated
87    
88    checkpoint57k_post
89    o lab_sea now uses diagnostics package and provides a suite of
90      new EXF diagnostics output.
91    
92    checkpoint57j_post
93    o exf
94      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
95        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
96        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
97      * extended diagnostics output
98        - now includes all EXF variables
99        - hs, hl moved to common block
100        - separate S/R for diagnostics, called after ctrl vector is added
101        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
102        - EXFqnet contains true Qnet (i.e. includes qsw)
103      * updated verif. lab_sea, global_with_exf
104      * Rearranging hflux (exf_mapfields -> exf_getforcing)
105        to ensure that diagnostics sees a true EXFqnet
106    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
107    o diagnostics pkg: change pointers so that 1 diagnostic can be used
108      several times with different frequencies.
109    o mnc-ify the thsice package as requested by Daniel Enderton
110      - the monitor--MNC output needs work
111      - many attributes need to be added (most are currently blank)
112    o mnc-ify theaim_v23 package as requested by Daniel Enderton
113      - many attributes need to be added (most are currently blank)
114    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
115    o add Sadourny like discretization to the 4th.O vorticity advection scheme
116    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
117      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
118         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
119    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
120     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
121    
122    checkpoint57i_post
123    o Diagnostics package was changed: diagnostic allocation is now deactivated
124      by setting an empty file name in the namelist (used to be by setting 0 frequency)
125    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
126      add 1rst Order upwind vertical Shear.
127    o add a quick fix for A/B checkpointing in OFFLINE mode
128    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
129      end-run around the C/Fortran linking horror in eesup/src/timers.F
130    o added pkg/runclock: allows user to terminate run based on wall clock
131    o added non-hydrostatic scaling parameter: nh_am2
132    o pkg/my82: futile attempt to make results compiler-independent by adding
133      some "_d 0", etc. no effect.
134    o for mnc output, fill the 'T' coordinate var with myTime and create a
135      separate 'iter' variable for iteration count
136    o pkg/diagnostics:
137      add new capability: output of Global/Regional & per-level statistics ;
138      tested against monitor output (including land & thSIce) on various exp.
139    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
140    
141    checkpoint57h_done
142      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
143      data.diagnostics, data.gchem, data.ptracers) is done.
144    
145    o pkg/diagnostics: prepare for Global/Regional statistics.
146      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
147    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
148      and rename it: DIFFERENT_MULTIPLE
149    
150    checkpoint57h_post
151    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
152    o pkg/diagnostics: change output frequency, now in seconds (instead
153      of Nb of iterations). This requires to change data.diagnostics.
154    checkpoint57h_pre
155    
156    o in mnc, let the user create the output dir if both mnc_outdir_date
157      and mnc_outdir_num are false
158    o add fflags() to pkg/diagnostics which allows one to specify, on a
159      per-file basis, the file precision [default behavior is unchanged]
160    o added diagnostics to pkg/kpp, including computation of mixed layer
161      depth based on a temperature/density criterion
162    o updated verification/natl_box to test the new pkg/kpp diagnostics
163    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
164    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
165    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
166      not mnc -- this mistake was found by JMC and is now corrected
167    
168    checkpoint57g_post
169    o add Adams-Bashforth 3rd Order time stepping:
170      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
171      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
172    checkpoint57g_pre
173    
174    o make lambda[Theta,Salt]ClimRelax spatially varying
175      (default remains spatially uniform constant based on tau)
176    o added new control variables
177      * init. uVel, vVel, etanN
178      * lambda[Theta,Salt]ClimRelax
179    o separate masks used for ctrl_pack/unpack 'from write_grid' output
180      (suggested by G. Forget)
181    
182    checkpoint57f_post
183    o add parameter "baseTime" = model base time = time at iteration zero
184      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
185      account for baseTime shift
186    o move Coriolis arrays from PARAMS.h to GRID.h
187    checkpoint57f_pre
188    
189    o mnc-ifying the seaice package
190    o introduced an alternative length scale calculation for use in the limiting
191      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
192    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
193    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
194      as well as grad(vort3).  Made it compatible with both approximate form
195      for the cubed sphere and full form of these gradients.  Added flag
196      useFullLeith to select between approximate and full form.  
197    o add "d0" in getcon.F to reduce differences between compilers/platforms
198      update output.txt of exp. fizhi-gridalt-hs
199    o change port_rand funtion to allow to set the seed.
200    o fix obscure MNC bug involving conversion between reals and integers
201      - it caused no problems with certain (eg. gcc, ifc) compilers but the
202        new version is now more standards-compliant
203    o adjoint-related modifications
204      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
205      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
206      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
207    
208    checkpoint57e_post
209    o Adding eddy stress controls a la Ferreira et al.
210    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
211    
212    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
213      update output.txt of exp. fizhi-gridalt-hs
214    o add more "Z" dimensions and associated coordinate vars to MNC
215    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
216    o parameter calendarDumps: when set, approximate months (30-31 days) and years
217      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
218      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
219      months and years.  Requires pkg/cal.
220    o diagnostics: add pickup functionality
221      - off by default for backwards compatibility
222      - current version only uses MDSIO -- MNC will be added
223    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
224    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
225    
226    checkpoint57d_post
227    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
228    o modify verification/ideal_2D_oce so that it tests the creation of mnc
229      output from the diagnostics package
230    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
231    o make genmake2 more portable by using ".$FS" instead of ".f" for more
232      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
233    o add coordinate variables to the MNC output from the diagnostics package
234    o change MNC-flags default value: true when useMNC=TRUE
235    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
236      the ability (off by default) to read the grid information using MNC
237    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
238    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
239    o do snap-shot diagnostics at the middle of the time-interval (instead of
240      at the end).
241    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
242      new test for AIM with thSIce + slab-ocean
243    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
244    o move state variable diagnostics to the beginning of the time step ;
245      (note: still needs some work specially for snap-shot diagnostics)
246      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
247    
248    checkpoint57c_post
249    o Change testing option (-ieee) to get closer agreement between g77 & ifort
250    o generate new output.txt files on faulks with g77 & the new -ieee option
251    checkpoint57c_pre
252    
253    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
254      update output.txt of exp. global_ocean.90x40x15
255    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
256      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
257    o add saltFlux(+File) forcing capability with periodicExternalForcing
258    o allow to use pkg diagnostics for GM-Redi & ThSIce output
259    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
260    o improvements for the MNC output from DIAGNOSTICS:
261      - correct handling of the unlimitied dimension
262      - all dims now have associated coordinate variables
263      - variables located at U, V, and Corner ("Z") points are now written
264        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
265        *all* data points are output
266    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
267    o added pkg/seaice/seaice_monitor.F
268    o mdsio_readfield.F can now read files visible only to master MPI process.
269    o pkg/seaice: some test code for ice-modified ocean stress
270    o exf_getffields interpolation defaults to bilinear for all scalar forcing
271      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
272      spurious negative numbers for precipitation and humidity.  Will cause
273      some small numerical differences for integrations using pkg/exf/exf_interp.F.
274    o pkg/ctrl/
275      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
276        May be enabled via doPackDiag
277      *  introduce z-scaling of
278         + gradient (doZscalePack) and
279         + control (doZscaleUnpack)
280    o pkg/mdsio/
281      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
282      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
283    
284    checkpoint57b_post
285    o simplify options in diagnostics_fill arguments (remove weird combinations)
286    o fix MNC coordinate variables so that they now contain per-face index
287      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
288      general, EXCH2 grids are only aligned to a "local" coordinate system
289    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
290    o Implement instantaneous output within pkg diagnostics:
291      setting a negative frequency in data.diagnostics produces
292     "snap-shot" output (as opposed to time-average if freq > 0)
293    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
294      NOTE: change ptracer diagnostics name: use 2 characters to work with
295            more than 9 tracers. Add also diagnostics of advect & diffus flux.
296    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
297      becomes the coordinate variable for the 'T' dimension
298    o add CF-style coordinate variables to MNC
299      - just a first cut:  numbers are meaningless on the cubesphere and
300        missing along the T axis but otherwise it works!
301    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
302    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
303    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
304      this is based directly on what the model compute, so that the content of
305      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
306    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
307    o clean up build options files for SunOS, in particular
308      - remove -traditional from xmakedepend
309      - change -xarch=v9 to -xarch=native for f77
310      - restore use of make (not gmake)
311      - add CC=gcc if using g77
312    o changes per discussion of AM, JMC, & EH3 today:
313      - move redundant "grid" variables out of "state" -- in preparation of
314        creating proper CF-style coordinate variables and in recognition
315        that any/all grid variables can be easily copied (eg. w/NCO) from
316        the grid files into any of the other NetCDF files
317      - *always* output grid variables with MDSIO (this will eventually be
318        changed)
319      - output MNC grid file if useMNC is true
320    o every instance of _END_MASTER() has been found and replaced with
321      _END_MASTER( myThid ) in order to satisfy certain picky Sun
322      preprocessors
323    o re-arrange diagnostics pkg initialisation:
324     - allow each package to extend the available diagnostics list
325     - add some checking and fix small problems (multi-threaded, ...)
326     - new S/R diagnostics_fill (replace fill_diagnostics):
327       look through the short list of active diag. (instead of the long list)
328       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
329    
330    checkpoint57a_post
331    o this set of changes restores TAMC compatibility
332      tested for global_ocean.90x40x15 adjoint on trough
333      (what a pain)
334    
335    checkpoint57a_pre
336    o some modifs in tools/build_options for sunos
337    o call ctrl_pack for ctrl at end for optimcycle=0
338    
339    checkpoint57
340    o add horizontal bi-harmonic viscosity for vertical velocity
341      - new parameter viscA4W (defaults to viscA4)
342      - affects only non-hydrostatic code
343      - to be done: no-slip lateral boundary conditions
344    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
345    o implement Implicit Vertical advection for pTracers
346    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
347      (implemented also for implicit vertical diffusion & advection)
348    o OBCS: extend application of tracer open boundary conditions
349      to a strip beyond the boundary of width Olx/Oly
350    o add call monitor to TAF set of required calls (flow directives)
351      and include in natl_box_adjoint
352    o untangle a few ifdefs related to cost, ctrl, autodiff
353      untangel a few ALLOW_ECCO_OPTIMIZATION
354    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
355      (theta2, salt2 in ecco_cost_weights)
356    
357    checkpoint56c_post
358    o OBCS as control variables
359      - update ctrl_ad_diff.list, obcs_ad_diff.list
360      - remove balance of obcs controls from default
361      - fix index bug nobcs in ctrl_init
362      - fix dummy fields filen in ctrl_pack
363      - add dummy weights for obcs
364    o lsopt: comment out fort.94 output
365    o optim:
366      - remove unnecessary header files
367      - adjusted namelists
368      - add xerbla.F to Makefile
369    o exf:
370      - multiple modifications of exf_check_range
371      - unit change in exf_init_runoff from [m/year] to [m/s]
372    o mdsio:
373      - i/o-vector change debugLevel from debLevA to debLevB
374    
375    checkpoint56b_post
376    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
377      is called from DO_THE_MODEL_IO
378      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
379      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
380      - clean up PTRACERS_WRITE_TIMEAVE a little
381    o add another verification experiment that tests both the cfc-pkg and
382      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
383      reactive tendencies treated inline with regular timestepping
384    o testreport previously did a lousy job of comparing small numbers, so
385      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
386      implemented in the little c-progam tmp_cmpnum.c which is embedded in
387      testreport.
388    o ptracers_monitor: bug fix for MPI
389    
390    checkpoint56a_post
391    o GCHEM: finish reorganizating the package
392      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
393        (introduces another 3D-array for each passive tracer, but only if
394        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
395        gchemTendency is not needed because the timestep is done separately)
396      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
397      - GCHEM is now---more or less cleanly---separate from PTRACERS
398      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
399        so clear to me how that should be done in a general way.
400    o CFC: improve formatting of output in CFC_ATMOS
401    o PTRACERS:
402      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
403        that ALL experiments with ptracers enable can be checked. This makes
404        GCHEM_MONITOR obsolete.
405      - include a runtime parameter PTRACERS_monitorFreq that defaults to
406        monitorFreq
407      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
408    o add PTRACERS (PTR0[1-5]) to testreport output
409    o exf_check_range:
410      * default changed to .TRUE.
411      * will check values for niter0 if debLevA, every timestep if debLevB
412      * STOP in exf_check_range if 'out of range'
413      * range chosen generous to allow for potential extema
414      TBD: a version with stricter range
415           permitted range would be runtime parameters
416    o GMredi:
417      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
418      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
419      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
420    o GCHEM:
421      - move call to GCHEM_FORCING_SEP, so that it is now called before
422        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
423      - introduced a useGCHEM runtime flag and applied it everywhere.
424      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
425        this flag is now only visible within GCHEM-pkg routines.
426      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
427        be replaced by a 3D array that is computed before thermodynamics; for
428        this, the tracer ID iTracer had to be included into the parameter list
429        of ptracers_forcing
430      - set up forward_step to call gchem_forcing, that will replace
431        gchem_forcing_int in ptracers_forcing
432      - cleaning up
433    o small cleaning of exch2: remove files that are also in eesupp/src
434    
435    checkpoint56
436    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
437    o mnc: cleanup "full" files--fixes out-of-memory problem
438    o ECCO-GODAE
439      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
440      * fully merged and updated from SIO code
441        windstress sign change affects
442        - exf_inscal_[u/v]stress
443        - sign of xx_tau[u/v] adjustments
444        - signs in cost_scat
445      * ctrl_get_gen: avoid update of tau[u/v] for first few days
446      * natl_box_adjoint updated and compressed
447      * 2-level checkpoint switch added
448        (tested in EXP. 1 of natl_box_adjoint)
449      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
450    o SVD
451      * first complete, non-hacked version for SVD calculations
452      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
453        performed via direct access files admtlm_vector.it????
454        (via ctrl_[un]pack)
455      * optimcycle is used for ARPACK iteration counter
456        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
457      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
458        and add linear transforms where necessary
459      * controls are initial/final SST, SSS (can be extended; need to check
460        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
461    o mdsio: filename info to both stderr, stdout
462    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
463      from sign change
464    
465    checkpoint55j_post
466    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
467      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
468    o add consistent build directories and .cvsignore files to verification
469    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
470    o make all subroutines 30 or less characters in length for certain older
471      compilers to work (a thorough search only turns up two routines in
472      pkg/ptracers)
473    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
474      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
475    
476    checkpoint55i_post
477    o change arrays for total vertical diffusivity (2.D if explicit,
478      3.D if implicit) ; each ptracer uses its own background value.
479    o added mnc/NetCDF output capability to ocn_compon_interf
480      - added bits to verification/cpl_aim+ocn so that it can run on
481        ITRDA and other clusters without the mpirun "-wd" option
482    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
483      configuration
484    o give MNC the ability to create additional files rather than
485      exceeding a specified file size limit "MNC_MAX_FILESIZE"
486      - the default is just less than 2GB which is a practical limit
487        on many systems
488    o Compute the non-local term using either KPP vertical diffusivity (=default)
489       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
490    
491    checkpoint55h_post
492    o add verification test "vermix"
493    o remove all the *_ioinc flags and replace with the single global
494      outputTypesInclusive flag
495    o allow to set a vertical profile of vertical diffusivity for T & S
496    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
497    o useMNC moved from data.mnc to data.pkg
498    
499    checkpoint55g_post
500    o Renaming carbon AD experiments to comply with testreport conventions
501    o Updating adjoint of Held-Suarez hs94.1x64x5
502    o Fixing directives for non-ECCO forward_step, after ECCO directives
503      have been fixed to avoid recomp. of do_oceanic_phys
504      Works well for global_ocean.90x40x15,
505      but recomp. issue remains for carbon
506    o Updating adjoint output for natl_box_adjoint after
507      pkg/ecco has been modified (see taga c55d_post)
508    
509    checkpoint55f_post
510    o rename to timeave_init_fixed
511    
512    checkpoint55e_post
513    o some delicate re-shuffle of store directives to avoid one
514      extra call of do_oceanic_physics
515      affects ecco_the_main_loop.F, do_oceanic_physics.F
516      checkpoint_lev1_directives.h
517    o NB: this may break global_ocean adjoint temporarily,
518      but it is clear how to fix it. Will do later, need this now.
519    
520    checkpoint55d_post
521    o ECCO specific cost function terms (up-to-date with 1x1 runs)
522    o ecco_cost_weights is modified to 1x1 runs
523    o modifs to allow observations to be read in as
524      single file or yearly files
525    o enable to read exf forcing fields as either
526      single file or yearly files (flag useExfYearlyFields)
527    checkpoint55d_pre
528    
529    o switch between 2-level and 3-level checkpointing
530    o add ability of MNC to write local and "partial" (eg. 2D slices where
531      the full 3D field is never actually stored) arrays to NetCDF files
532      with the correct (that is, the complete multi-dimensional) set of
533      array indicies
534      - used in mom_vecinv() to write the diagFreq output
535      - tested (demonstrated) in verification/aim.5l_cs
536    o further mnc-ification
537      - add verification/lab_sea to the list with mnc setups
538      - fix undefined mnc v-names in cd_code
539      - add kpp to mnc output (both snapshot and timeave)
540    o non-hydrostatic code
541      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
542        in calc_gw.F
543      - defaults to viscAh
544      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
545        friction or Leith) in non-hydrostatic mode, as long as there is
546        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
547    o pkg/cost
548      extend simple cost functions to treat time mean quantities
549      (T,U,V) via cost_accumulate_state from cost_tile
550    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
551        be 2 times larger than the minimum size the advection scheme requires.
552        now get a perfect conservation of salt in advect_cs test-exp (updated)
553    o GGL90 (Gaspar's TKE mixed layer)
554      - add horizontal diffusion of TKE, requires exchanges in
555        do_fields_blocking_exchanges, horizontal diffusivity is zero by
556        default. In OPA there is no horizontal diffusion of TKE but the
557        mixing coefficients are computed from a horizontal average of TKE of
558        6 points or so. I think that diffusion has a little more physical
559        justification.
560      - clean up ggl90_calc in the hope of reducing memory usage (this hope
561        was in vain)
562      - mask tke-variable in ggl90_init
563    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
564    o fix biharmonic diffusion on CS-grid.
565    o more obcs stuff
566      - added obcs_external_fields_load as an alternative to the EXF-pkg option
567        for reading boundary values. This routine is called from
568        obcs_prescribe_read
569      - updated obcs_check
570      - changed sponge layer relaxation parameter units for days to seconds
571      - turned off sponge layer by default
572      - changed argument list of OBCS_CALC to myTime+deltaTclock
573      - fixed about 35 bugs in obcs_external_fields_load
574    
575    checkpoint55c_post
576    o obcs stuff
577      - new runtime flags useOBCSprescribe, useOBCSbalance
578      - re-arranged obcs_calc
579      - moved exf_getobcs to obcs_prescibe_read
580        obcs_prescibe_read is called after ORLANSKI stuff
581        and independent of it (executable can contain all).
582      - updated obcs_check
583      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
584        These may be necessary only if tangential velocities are
585        prescribed at OB, not sure, needs testing.
586    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
587      which simplifies the calls and passes the ifc check-bounds test
588    
589    checkpoint55b_post
590    o add a 2D scalar, Z location, exchange_2 routine.
591    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
592      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
593      affects advect_cs results (for the wrong reason): update output.txt
594    o use a more standard discretization for biharmonic viscosity ;
595     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
596      affects results of dome set-up: update output.txt
597    o fix gad_advection.F (CubedSphere part), back to version 1.23
598    o fix bug in mom_vi_del2uv.F (CubedSphere part).
599    
600    checkpoint55a_post
601    o merged code to
602      * prescribe/read time-dependent open boundaries
603        (works in conjunction with exf, cal)
604      * sponge layer code for open boundaries
605      * each boundary N/S/E/W now has its own CPP option
606        (healthy for the adjoint)
607    
608    checkpoint55
609    o up-to-date adjoint of previous breaks
610      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
611      - global_ocean_ebm: adjoint still needs fix (TLM ok)
612      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
613      - carbon: * remove tr1-related adjoint verification
614                * add ptracer as control variable
615    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
616      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
617    
618    checkpoint54f_post
619    o in verification/carbin/ remove experiment related to
620      ALLOW_PASSIVE_TRACER (array tr1 etc)
621      code_ad/ input_ad/ results_ad
622    
623    o add two new packages
624      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
625        + subject to optimization (memory)
626      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
627        + subject to reordering (many GOTOs in the original code)
628        + so far opps is called for every (i,j) point, and then operates in
629          the vertical; one may want to reorder the scheme in order operate in
630          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
631          fields)
632    o overhaul of IO so that we now have flags for MDSIO and/or MNC
633      - all verification tests compile and run with linux_ia32_g77
634      - defaults are compatible with current input files--nothing
635        should change if you were not previously using MNC
636      - MNC output has been added in numerous places (eg. timeave)
637        but there are still a few writes not yet do-able with MNC
638        (this is in progress)
639      - flags now allow for either/or/both use of MDSIO and MNC and
640        documentation will soon follow
641      - numerous small formatting cleanups for ProTeX
642    o add version info (via BUILD_INFO.h) to MNC and stdout
643    
644    checkpoint54e_post
645    o add two new packages
646      - pp81 (Packanowski and Philander, 1981), Richardson number and
647        stratification dependent mixing
648      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
649      - these scheme operate in a similar manner as KPP (without ghat, of
650        course), however there is only one diffusivity that is used for both
651        temperature and salinity (and passive tracers)ç
652    o add offline package
653    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
654      provided by Stephanie Dutkiewicz
655    o genmake2: add ability to search for C compilers and cleanup test output
656      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
657    
658    checkpoint54d_post
659    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
660    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
661      leading to additional shift by 5 days each year of integration
662       (i.e. leading to considerable offset over the years)
663    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
664    o start with no AB and no initial filtering (staggerTimeStep):
665      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
666    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
667      (external loading & cpl import/export stay in forward_step.F)
668    o update coupling interface to work with new staggerTimeStep
669    o change MDSIO ptracers_pickup.
670    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
671    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
672    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
673    
674    checkpoint54c_post
675    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
676      this affects (truncation error) output.txt of test-exp:
677       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
678    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
679    o change Qnet to always be the net heat flux, (+upward).
680      affects (truncation error) output of natl_box exp.: updated
681    o define the max number of passive tracers in PTRACERS_SIZE.h
682    o start to test mnc routinely in exp0
683    o add sea-ice loading (sIceLoad) as a new forcing field.
684    
685    checkpoint54b_post
686    o add testreport "-j JOBS" option for parallel builds (tested and pretty
687       impressive on Altix and Opteron systems)
688    o diagnostics can now write NetCDF files through the mnc package
689    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
690    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
691    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
692      affects (truncation error) output of lab_sea & natl_box exp.: updated
693    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
694    
695    checkpoint54a_post
696    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
697    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
698    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
699    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
700      + internal_wave (shift in writing cg2d_ini_res)
701    checkpoint54a_pre
702    
703    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
704      - modified verification/lab_sea and natl_box_adjoint accordingly
705    
706    checkpoint54
707    checkpoint53g_post
708    o prepare splitting of thermodynamics: store convect.counter in common block
709    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
710      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
711    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
712    o new parameter "nShapS": allow to treat differently S from T (nShapT)
713    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
714    o restore adjointability
715    
716    checkpoint53f_post
717    o modifications that affect AIM experiment results (update output.txt):
718      - no advection of S at top interface Nr (pkg/generic_advdiff)
719      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
720    o AIM pkg:
721      - include stability function into surf.Flux derivative relative to Tsurf
722      - calculate clear-sky radiation & surface temp. change (for diagnostics)
723    
724    checkpoint53e_post
725    o merged cylindrical coord configuration
726    o added rotating_tank experiment
727    checkpoint53e_pre
728    
729    checkpoint53d_post
730    o faulks upgraded: re-generate output.txt that have changed:
731       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
732    o Added Bryan and Lewis, 1979, vertical diffusivity profile
733    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
734    o added Sadourny discretization of Coriolis
735      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
736      - re-enabled use of omega3 (useAbsVorticity)
737    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
738      vector-invariant equations
739      - note: does *NOT* yet use same variable visc. for no-slip BC's.
740    o recoded the lateral boundary conditions for non-hydrostatic w, this time
741      hopefully without new bugs
742      - still to do: biharmonic friction for non-hydrostatic w
743    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
744    o regenerated output for global_ocean_ebm (using -ieee)
745    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
746      of mom_common/
747      - simple re-arrangement of instructions within computing loop
748    checkpoint53d_pre
749    
750    checkpoint53c_post
751    o new version of coupler for AIM+thSIce and Ocean models
752     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
753     - land: change Evaporation of snow
754     - aim with thSIce: fix bug in snow-precip.
755    o changes to calc_gw.F
756     - bug fix for w^2 term near the bottom boundary
757     - (hopefully) improve the lateral slip boundary condtions for use with
758        partial/looped cells
759      - because the bug fix changes two verification experiments anyway (exp5
760        and plume on slope), change the lateral boundary condition from half slip
761        to the value of no_slip_sides
762    o ebm package wasnt quite up to the parallel task. Fixed that.
763    o Adjoint of EBM package + verification
764      * TLM OK
765      * ADM not sufficient accuracy yet (needs further testing)
766    
767    checkpoint53b_post
768    o Commiting new energy balance model to repository
769      * package is pkg/ebm
770      * verif. is verification/global_ocean_ebm
771      * references are in ebm_driver.F
772    C      * X. Wang, P. Stone and J. Marotzke, 1999:
773    C        Global thermohaline circulation. Part I:
774    C        Sensitivity to atmospheric moisture transport.
775    C        J. Climate 12(1), 71-82
776    C      * X. Wang, P. Stone and J. Marotzke, 1999:
777    C        Global thermohaline circulation. Part II:
778    C        Sensitivity with interactive transport.
779    C        J. Climate 12(1), 83-91
780    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
781    C        Destabilization of the thermohaline circulation
782    C        by atmospheric eddy transports.
783    C        J. Climate 7(12), 1870-1882
784    o Will need long integration testing.
785    checkpoint53b_pre
786    
787    o created pkg/mom_common in preparation for variable viscosity code
788    o renamed and split ini_mnc_io
789    o pkg/land: only liquid water can diffuse or run-off
790    o AIM using land: soil wetness availability account for snow
791    o added printMapIncludesZeros to EEPARMS namelist
792    
793    checkpoint53a_post
794    o restore TAMC compatiility for exf_constants.h
795      (no usage of _d in .h)
796    o Additional storing in KPP in an attempt to fix
797      TAMC problem with adjoint of KPP code.
798      (no success...)
799      Identical code works fine with TAF.
800    o Fixed verification/natl_box_adjoint experiments.
801      Initial conditions for Experiments 4 and 5 are now
802      set to "SEAICE_initialHEFF=0", which is more reasonable,
803      and hence gives results closer to that of Experiment 2.
804      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
805    
806    checkpoint53
807    o stable checkpoint with up to date adjoint
808      TLM tests only run for 1st grdchk at the moment. Its unclear if
809      this is a code problem or a problem with resetting code for g_
810      variables that is being autogenerated wrong.
811      Otherwise:
812       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
813       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
814         are both still in chaos following their security messes.
815    
816    checkpoint52n_post
817    o various build (mostly genmake2) changes including:
818      - ability to build/run more easily within Cygwin and MacOS X
819      - more complicated Makefiles with a stronger dependence on Gnu Make
820    o pkg/seaice modifications
821      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
822        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
823        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
824      - changed proxy for geostrophic velocity and updated
825        verification/lab_sea/results/* accordingly
826      - removed ADI dynamic solver from pkg/seaice
827      - replaced all occurrences of 1/CSTICE or 1/CSUICE
828        they caused a segmentation fault under certain circumstances
829      - removed unused field WATR
830    o bug fix in exf-package:
831      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
832         now reflect that.
833    o small fixes in the cal-package:
834      - set reference date to first of January for the 'model'-calendar
835      - failing of cal_CheckDate in cal_FullDate now actually results in a
836        warning
837    o small modifications in exf-package to increase flexibility:
838      - change climtempfreeze from a constant to a runtime parameter that
839        is specified in data.exf_clim (default = -1.9)
840      - introduce runtime parameter windstressmax (default = 2.0) that is
841        specified in data.exf
842    o fix in pkg/thsice:
843      - update Evap (Tsf changes) to be consistent with Latent heat flux
844      - maintain snow precipitation unchanged (even if Tsf >=0).
845     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
846    
847    checkpoint52m_post
848    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
849      this does not change any of the results, because myIter=0 in swfrac always
850      lead to jwtype=2 (the default anyway), but the call makes little sense
851      as a default
852    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
853    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
854      atmospheric model (AIM) to use it ; add a "slab ocean" component.
855    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
856    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
857    o extending useSingleCpuIO option to work with new exch2 I/O format
858      - old-style, missing-tile I/O is still accessible by defining CPP
859        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
860    o monitor package can write to NetCDF files and/or STDOUT
861    o fix re-definition bug in MNC_GRID_INIT_ALL()
862    o doc/api_reference added
863      - a framework for building an API Reference Manual using all
864        the "protex" comments embedded in the code
865      - see pkg/generic_advdiff, pkg/mnc for examples
866    o MNC:
867      - make myThid the last argument for all subroutines
868      - new default for the grid files: NO halos
869      - add useMNC and other run-time flags
870      - separate per-file-group handling of the unlimited dimension
871      - early initialization of MNC w/ flags read at the eeboot stage
872        and lookup tables set in initialize_fixed
873      - write all MNC output to a freshly-created directory
874    o thermodynamics sea-ice (thsice) is now tested with testreport.
875    o test exp. advect_cs: use the standard cs32 grid ; update output.
876    o Added functionality to grdchk:
877      pick global i,j,k position (or nearest wet) where to perform check.
878    
879    checkpoint52l_post
880    o new land formulation:
881      a) use ground enthalpy as prognostic variable to ensure exact
882         energy conservation.
883      b) account for water temperature and for latent heat of freezing
884         in all processes (rain, run-off, ground storage)
885      c) compute surface and ground temperature implicitly.
886    o aim_v23 modification for new land model:
887      a) Treat separately land / ocean / sea-ice surface fluxes
888         to allow implicit computation of land & sea-ice surface temp.
889      b) add snow precipitation.
890    checkpoint52l_pre
891    
892    o fix problem (when 1 tile is empty) in min/max monitor.
893    o fix bug in timeAve (u,vZetatave in common block)
894    o no restoring terms under ice for pkg/seaice
895    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
896    o bug fix for pkg/seaice pickups
897    o change MNC call locations and add coordinate attributes
898    o mask vorticity at the corner ; affects global_ocean.cs output
899    o fix ini_curvilinear_grid ; test CS experiments with mpi
900    o aim.5l_cs: modify sea-ice fraction input file ; update output
901    o exf: Adding simple range check routine for exf fields after read
902    
903    checkpoint52k_post
904    o removed top-level directory "diags"
905      - we migrated these functions to pkg/timeave a long time ago
906    o fixed bug introduced in pkg/monitor
907    o accuracy ctrlprec = 32 insuffient for gradient checks using
908      averaged fields (I/O via cost_averages)
909      -> use ctrl.h in active_file*.F to control I/O precision.
910    o paramter list of CALL ADTHE_MAIN_LOOP
911    o added initial do_the_model_io to ecco
912    o set all ...Freq to zero after cost_final
913      taveFreq, dumpFreq, pChkptFreq
914    o MAIN and ECCO differentiability restored
915    
916    checkpoint52j_post
917    o fix nchklev in tamc.h for global_ocean...
918    o Bringing flow and store directives up-to-date
919    o Really weird thing!
920      call do_the_model_io from the_main_loop with parameters
921      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
922      TAF places a faulty re-call of initialise_varia
923      after cost_final call which should not be there!
924    checkpoint52j_pre
925    
926    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
927      error messages
928    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
929    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
930      debug output
931    o modfied mdsio_writefield.F to handle non-global files under exch2
932    o update AIM Cubed-Sphere exp (aim.5l_cs):
933      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
934    o update AIM Equatorial Channel exp:
935      use standard aim_v23 pkg and change the SST fields to be more realistic.
936    o globalFile now works with exch2
937    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
938      mon_vort3.F to make exch2 friendly with >1 tile per cube face
939    o limit timeave output for hi-res integrations
940    
941    checkpoint52i_post
942    o removed CPP_EEOPTIONS.h from verification/*/code
943    o updated the tiling for global_ocean_pressure
944    checkpoint52i_pre
945    
946    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
947      the old pkg/aim).
948    
949    checkpoint52h_pre
950    o shortened offending lines in exch2_send_rx?.template
951    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
952    o genmake2: add build & execute test for NetCDF code
953    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
954      old grid files, moved CPP_EEMACROS.h to pkg/exch2
955    o added useSingleCPUIO flag to monitor.F and mon_out.F
956    o added temporary hack for sea-ice dynamics on the cube:
957      metric terms are ignored and it is assumed that
958      there is no sea-ice on cube faces 1, 2, 4, and 5.
959    
960    checkpoint52f_post
961    o added exch2 cube routines to pkg/exch2
962    o modified hs94.cs-32x32x5 to use it
963    o added new grid files to hs94.cs-32x32x5
964    checkpoint52f_pre
965    
966    checkpoint52e_post
967    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
968      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
969    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
970      to work with implicit vertical advection and AB ;
971    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
972    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
973     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
974    checkpoint52e_pre
975    
976    o fix bug in impldiff when Nr=1 or Nr=2.
977    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
978    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
979    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
980      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
981    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
982    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
983    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
984    
985    checkpoint52d_post
986    o re-tiled many expts to allow comparison in multi-processor mode
987      - updated output accordingly
988      - changed hs94.128x64x5 to use intial T from file rather than use the
989        random number generator
990    o add infrastructure in model routines for fizhi and gridalt packages
991    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
992    o changes to permit hi-res, cubed-sphere, configuration
993      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
994      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
995      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
996        of surface winds for the cube
997      (A verification experiment, based on global_ocean.cs32x15, but with
998       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
999       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1000       complete with example surface forcing files and matlab scripts to look
1001       at the output and compare it with that of global_ocean.cs32x15.)
1002    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1003       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1004       to conform to the common rule.
1005    o check-in the first version of the coupler + interfaces for multi-components
1006       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1007       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1008       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1009       - ocean and atmos. share the same horizontal grid (no interpolation).
1010       - exchanges between component and coupler is done in forward_step
1011    o new verification experiment, cpl_aim+ocn:
1012       coupled ocean - AIM atmosphere on cs32 grid.
1013    
1014    checkpoint52d_pre
1015    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1016    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1017    
1018    checkpoint52c_post
1019    o Fixing OPTIONS files for use of exf:
1020      - ALLOW_ECCO not needed
1021      - ECCO_CPPOPTIONS.h should not be included from
1022        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1023        as has been the case in the past
1024      - All cal/exf related options are currently set in
1025        single header file. Should remain so until we
1026        agree on a consistent new policy.
1027    o Removed all CPP options for cal package.
1028      cal has no more CPP options.
1029    o modified STOREs in GAD_ADVECTION
1030    o corrected key comp. for passkey
1031    
1032    checkpoint52b_post
1033    o new version: "thsice" of thermodynamic sea-ice pkg:
1034     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1035     - modify fluxes but do not change theta directly;
1036     - light cleaning of bulk_force pkg (still needed with thsice).
1037     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1038       + output_thsice.txt to test thsice & bulk_force pkgs.
1039    o put back grid & coriolis monitor output.
1040    checkpoint52b_pre
1041    
1042    o call "do_the_model_io" at the beginning (=> dump initial state)
1043    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1044    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1045      (need info on NUMBER_OF_PTRACERS)
1046    o missing PTRACERS headers in some routines
1047    o default tamc.h in pkg/autodiff supposed to crash
1048      to ensure proper customization
1049    
1050    checkpoint52a_post
1051    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1052      - moved surfaceTendencyTice from pkg/seaice to main code
1053      - subroutine FREEZE_SURFACE now limits only surface temperature
1054        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1055        => new output.txt for global_ocean.cs32x15 & global_with_exf
1056      - keep the old version of FREEZE for backward compatibility;
1057        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1058      - corresponding modifs for TAF directives
1059    o added surface flux output variables to TIMEAVE_STATVARS
1060    o time-averaged output for pkg/ptracers
1061    o fix problem with ECCO-related divided adjoint
1062      snapshot file was missing some ad-variables,
1063      but no warning issued by TAF
1064    
1065    checkpoint52a_pre
1066    o some bug fixes for #undef REAL4_IS_SLOW
1067    
1068    checkpoint52 = ecco_c52_e35
1069    o after testing adjoints of checkpoint51u_post
1070    
1071    checkpoint51u_post
1072    o this is the post-merge tag of the ecco-branch
1073      (needs another clean checkout and re-testing)
1074    o various natl_box_adjoint configs and results
1075      but no input fields
1076    o obcs adjoint not yet merged!
1077    o adding ECCO global 1x1 and 2x2 degree configs
1078    o updated/extended some store directives for seaice
1079    o pkg/ecco now containes ecco-specific part of cost function
1080    o top level routines the_main_loop, forward_step
1081      supersede those in model/src/
1082      previous input data.cost now in data.ecco
1083      (new namelist ecco_cost_nml)
1084    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1085    
1086    checkpoint51t_post
1087    o this is the pre-merge tag of the ecco-branch
1088    
1089    checkpoint51s_post
1090    o cleanup: removed various obsolete #define-s
1091    o pkg/grdchk
1092      - renamed 'ph-grd 3' to 'grad-res'
1093      - merged from ecco-branch
1094        (remaining bug fixes for obcs gradient checks)
1095      - additional high-precision output for testreport
1096        (grep for 'precision_grdchk_result')
1097    
1098    checkpoint51r_post
1099    o cleaned up or removed CPP_OPTIONS.h files
1100    o updated results for some of the tests to reflect the new
1101      optfiles (-ieee: -O0 instead of -O3)
1102    
1103    checkpoint51q_post
1104    o cd_code:
1105      - moved cd_scheme.F -> cd_code_scheme.F
1106      - separate read_checkpoint from cd_code_ini_vars.F
1107      - separated cd_code part from write_checkpoint
1108      - updated AD_SOURCE, generated .flow
1109      - added CD_CODE_VARS.h to the_main_loop
1110      - Moving cd_code specific store dir.s to pkg/cd_code
1111    o ctrl package totally restructured
1112      - pack/unpack now optional and decoupled from
1113        xx_/adxx_ I/O
1114      - ctrl_pack/unpack cleaned
1115        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1116      - confined inclusion of AD_CONFIG.h to where necessary.
1117    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1118    
1119    checkpoint51p_post
1120    o create initial cd_code package
1121      - WARNING: the initialization of fields within packages
1122        is broken because INI_FIELDS (where READ_CHECKPOINT is
1123        called) is called *before* PACKAGES_INIT_VARIABLES.
1124        This seems to be backwards since
1125        1) its important to initially zero the entire field including
1126           the "halo" region
1127        2) zeroing needs to be done *before* reading pickup info
1128           and the pickup call might or might not happen in any
1129           particular run
1130      - this needs an overhaul for R2
1131    o cleanup verification/*/code/GMREDI_OPTIONS.h
1132    o cleanup testreport
1133    
1134    checkpoint51o_post
1135    o bringing AD-related verif's up to date with genmake2
1136      - carbon/
1137      - global_ocean.90x40x15/
1138      - hs.94.1x64x5/
1139      - (front_relax/ )
1140    o (more) consistent directory structure for AD-related verif.'s
1141    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1142    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1143    o bug fix in find_alpha.F for MDJWF:
1144      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1145        change rho -> rho-rhoConst
1146      - replace call find_rho to find_rhonum
1147    o initialisation of rFlx extended to full array (required by TAF)
1148      and shifted to thermodynamics
1149    o removed PTRACERS.h in ptracers routine
1150    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1151    o Correcting initialisations for fVerU, fVerV.
1152    o helping TAF to recognize dependency on kUp for
1153      fVerU, fVerV
1154    o Replacing delZ by delR in pkg/ctrl/
1155    checkpoint51o_pre
1156    
1157    o undid all of cp51 pending some cleanups and discussion
1158    o added the [#include "AD_CONFIG.h"] statement to all files that need
1159       it for adjoint/tl #defines
1160     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1161     o removed tools/genmake since it no longer works
1162    
1163    checkpoint51n_post
1164    o modifications to make FREEZE flux visible to pkg/kpp
1165      - moved surfaceTendencyTice from pkg/seaice to main code
1166      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1167      - subroutine FREEZE now limits only surface temperature
1168        (this means new output.txt for global_ocean.90x40x15,
1169         global_ocean.cs32x15, and global_with_exf)
1170    o added surface flux output variables to TIMEAVE_STATVARS
1171    
1172    checkpoint51n_pre
1173    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1174    o added [#include "AD_CONFIG.h"] to all files that use the following
1175      defines:
1176      - ALLOW_ADJOINT_RUN
1177      - ALLOW_TANGENTLINEAR_RUN
1178      - ALLOW_ECCO_OPTIMIZATION
1179    
1180    checkpoint51m_post
1181    o incorporating changes to get TAMC/TAF working in genmake2
1182      - added new TAMC/TAF targets to the Makefile
1183      - various cleanups related to package handling
1184      - these changes should have no impact on the forward model
1185    
1186    checkpoint51l_post
1187    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1188     - faster algorithm for cal_addtime.F
1189     - higher precision arithmetic, where needed
1190     - pkg/exf *startdate variables changed from calendar date to
1191       model integration time
1192    
1193    checkpoint51l_pre
1194    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1195    o enable to apply restoring on S & T only in a latitude band.
1196    o update output (external_forcing_surf modif. change truncation errors)
1197       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1198    
1199    checkpoint51k_post
1200    o change default to: useNHMTerms=.FALSE.
1201     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1202       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1203     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1204        exp1, ideal_2D_oce
1205     - change data file of oceanic exp (leave the results unchanged for now)
1206       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1207    o set gravitySign automatically according to the vertical coordinate used
1208      (and change sign: back to "logical" value: +1 when R increases downward)
1209    o added an include barrier to the default CPP_OPTIONS.h and
1210      removed the #include "PACKAGES_CONFIG.h" from it
1211    o fix a bug in mom_fluxform (from chk51j_post)
1212    
1213    checkpoint51j_post
1214    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1215    o adjusted some flow directives (dynamics, thermodynamics)
1216    o added cubed-sphere case to test cost function
1217    o heckpoint_lev?_directives.h now include
1218      pkg-specific directives, whenever those are enabled.
1219    o Moving pkg-specific flow directives to corresponding pkg
1220      Moving pkg-specific differentiation list to corresponding pkg
1221      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1222      ---> conventions are
1223           - pkg_ad.flow
1224           - pkg_ad_diff.list
1225           - pkg_ad_check_lev?_dir.h
1226    
1227    checkpoint51i_post
1228    o merge of the branch-genmake2
1229      - knowingly breaks the older genmake
1230      - automatic generation of all ALLOW_${PKG_NAME} defines
1231      - new testreport supersedes older testscript
1232    o large number of package inclusion and header cleanups
1233    checkpoint51i_pre
1234    
1235    o new output for adjoin of global ocean vector invariant
1236    o fix for checkpoint of thermodynamic seaice and bulk_force
1237    o Steph gchem various cleanups
1238    
1239    checkpoint 51h_pre
1240    o fixed some single quotes
1241    o modify gchem pkg to be more versatile
1242    o modifications to clean up dic pkg
1243    o add pkg/cfc
1244    
1245    checkpoint51g_post
1246    o provide links for ARPACK and ADM*TLM
1247    o start removing verification/vero/
1248    o update AD-related stuff
1249      (in particular some IF-statements in model/src/ routines)
1250    o adding to verification/global_ocean.90x40x15/ adjoint of
1251      vector invariant setup
1252    
1253    checkpoint51f_post
1254    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1255    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1256      of tracer Green's fucntions for ocean inversion project.
1257    
1258    checkpoint51f_pre
1259    o Added on-the-fly spatial interpolation capability
1260        "USE_EXF_INTERPOLATION" to pkg/exf.
1261      - This is a temporary Cartesian-grid hack until
1262        the super-duper ESMF coupler becomes available.
1263      - See verification/global_with_exf/README for usage example.
1264      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1265        flags and modified pkg/seaice accordingly.
1266    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1267        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1268        non-local transport term.
1269    
1270    checkpoint51e_post
1271    o pkg/mom_vecinv:
1272      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1273      - add time-ave diagnostic of vorticity advection.
1274    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1275    o atmospheric geopotential: - include water vapor effect;
1276                                - use p^kappa in p* scaling.
1277    o land pkg: read initial state from files.
1278    o AIM : add stratospheric drag in the upper level
1279    
1280    checkpoint51d_post
1281    o change function ILNBLNK (=> last non-blank char.) to return zero
1282      (instead of the string length) when the string. char is empty
1283    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1284    o modif's to restore TAMC compatibility
1285      - avoid "_d" constructs in PARAMETER declarations
1286      - avoid interrupting lines by comment lines
1287    o Use cluster local disks for purely local I/O
1288      vs. globally visible disks needed for ctrl stuff
1289      (merged from ecco-branch)
1290      - new active_file_loc... and mdsio_..._loc routines
1291      - affected packages: autodiff, ctrl, grdchk, mdsio
1292    
1293    checkpoint51c_post
1294    o introducing integer flag debugLevel
1295      - debLevZero: suppress all output
1296      - debLevA: standard
1297      - debLevB: equivalent to current debugMode=.TRUE.
1298    o introducing pathname variable mdsioLocalDir for mdsio
1299      that can be specified at runtime
1300      (relevant for cluster I/O to local disk)
1301    `
1302    >>>checkpoint51b_post
1303    adjoint of ptracers
1304    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1305    o extended state in checkpoint_lev?, etc.
1306    o alternative ctrl/cost with tr1 or ptracer
1307    o new comlev1_bibj_ptracers
1308    o new ptracers.flow
1309    o made ptracers_forcing same as external_forcing_s
1310    o added verification for adjoint with ptracers
1311      - adm. grdchk fail so far
1312      - tlm. grdchk OK
1313      - checked tapelev/comlev recomputations: OK
1314    <<<checkpoint51b_pre
1315    
1316    checkpoint51a_post
1317    o added code for biogeochemistry package
1318      - new pkgs: dic, gchem
1319      - new subroutine in ptracers
1320    o modify code for biogeo packages
1321      - in model/src and pkg/ptracers
1322    
1323    checkpoint51
1324    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1325      - autodiff, ctrl, exf, grdchk, seaice
1326      kept separate packages
1327      - cost, ecco, obcs
1328    o updating verification/internal_wave, verification/lab_sea
1329      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1330    
1331    checkpoint50i_post
1332    o Preparing next differentiable checkpoint and sync
1333      of MAIN vs. ecco-branch
1334      - 1st step: this one is differentiable
1335      - 2nd step: next(! not this) checkpoint will have updated packages
1336                  from ecco-branch)
1337    
1338    checkpoint50h_post
1339    o new package "land": provide surface BC for AIM.
1340    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1341    o AIM: use true log-P extrapolation for near surface temp (= as in
1342        F.Molteni paper) ; update aim.5l_cs output.
1343    o New variable in PARM03 for more flexible pickups
1344    o somewhat cleaned package initialisation sequence for
1345      ctrl/ cost/ ecco/ in packages_... routines
1346    
1347    checkpoint50g_post
1348    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1349      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1350      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1351        made the default because of faster convergence than ADI
1352    
1353    checkpoint50f_post
1354    o exf totally restructured
1355      - replaced all exf_set_ routines by one generic exf_set_gen.F
1356        and made sure it's still differentiable
1357      - split exf_getffields.F into new exf_bulkformulae.F
1358      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1359      - updated adjoint/makefile and relevant verif. accordingly
1360    
1361    checkpoint50f_pre
1362     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1363          + change Evap over land. (update aim.5l_cs output)
1364     o added missing .cvsignores and made uniform across expts
1365     o changed configuration of tidal_basin_2d expt
1366     o added pkg/debug functions for tracing code in fatal crashes
1367     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1368     o new fn in pkg/monitor to stop model if solution grows too big
1369     o removed lots of single quotes from comments
1370    
1371    checkpoint50e_post
1372    o make KPP work with PTRACERS
1373     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1374       nearly a copy of kpp_transport_s
1375     - there is no analogue to SurfaceTendencyS, so I have to use
1376       gPtr(of the surface layer) instead
1377    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1378    checkpoint50e_pre
1379    
1380    checkpoint50d_post
1381    o change kpp output from multiple-record state files to single-record state
1382      files analogous to write_state.F
1383    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1384      analogous to the cg2d-related output.
1385    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1386      so that writing to internal file fn (with length 512) fails.
1387    checkpoint50d_pre
1388    
1389    checkpoint50c_post
1390    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1391    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1392    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1393    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1394    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1395    
1396    checkpoint50c_pre
1397    Merging from release1_p13:
1398    o bug fix for pkg/seaice dynamic solver
1399    o Added SEAICE_initialHEFF to pkg/seaice
1400    
1401    checkpoint50b_post
1402    o store u*,v* in gU,V instead of in guNm1,gvNm1
1403    o in order to put the momForcing out of the Adams-Bashforth:
1404      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1405      to timestep.F
1406    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1407    o re-generate output for highly sensitive test-exp:
1408       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1409    
1410    checkpoint50b_pre
1411    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1412    o corrected CPP option mismatch in exf_Bulk... functions for case
1413      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1414    
1415    checkpoint50a_post
1416    o Bug fix for merging between c50 and KPP.
1417      ikey was passed from thermodynamics to kpp_calc via
1418      common block rather than being recomputed in kpp_calc,
1419      in contradiction with new key itdkey.
1420      New key ikppkey created, and tamc.h headers updated.
1421    
1422    checkpoint50
1423    - 2nd step of merge with ecco-branch:
1424      merge changes in ecco-branch back into main trunk
1425    - bug fix in find_alpha
1426    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1427    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1428    - merged some sliced AD support routines
1429    
1430    checkpoint49
1431    merged from ecco-branch:
1432    o exf:
1433      - Enable initialisation of forcing fields to constant
1434        (runtime) values.
1435      - in exf_getffields.F
1436        Reduce i-/j-loop to interior domain, discarding overlaps.
1437        That also fixes wrong TAF-key computations for key_1, key_2
1438        with bulf formulae.
1439      - exf_init.F modify #ifdef for exf_init_evap
1440      - exf_getffieldrec.F, ctrl_getrec.F
1441        The following INT-usages are not safe:
1442          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1443          fldcount = int(fldsecs/fldperiod) + 1
1444        and were modified.
1445    o autodiff: checkpoint_lev...
1446      - updated storing for bulk formulae (some arrays were missing)
1447      - added state for seaice package
1448      - synchronized with main branch
1449    o DIVA:
1450      Modif.s in
1451      - the_main_loop.F
1452      - the_model_main.F
1453      and added cost_final_restore.F cost_final_store.F
1454      o With these changes, it is possible to fully separate
1455        the first forward run to compute the cost function (mdthe_main_loop)
1456        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1457        into separate model executions.
1458        This enables better tuning of DIVA to given queue sizes.
1459      o Loss of cost function value in consecutive DIVA runs is
1460        fixed by storing to 'costfinal' file.
1461      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1462        beginning/end of adjoint integration is accounted for.
1463      The current changes apply to TAF-1.4.26.
1464      TAF has one remaining bug, requiring one manual change
1465      (see MITgcm manual).
1466    o cal: synchronized between MAIN and ecco-branch
1467    
1468    checkpoint48i_post
1469    o Changes to restore differentiability of code w.r.t. previous tag
1470      (mostly adding new routines to make list and replacing
1471      pressure by totPhiHyd).
1472    o Updated and merged grdchk package
1473      - has both ADM and TLM checks
1474      - works for single- and multi-proc.
1475      - output cleaned
1476      - worked successfully for parallel DIVA
1477    o genmake:
1478      - Adding -platform=SP4
1479      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1480    o Modif. for DIVA:
1481      ctrl_unpack should not be called in intermediate DIVA interval.
1482      (similar thing would apply for active files such as
1483      tbar, sbar, psbar, which should not be reinitialised;
1484      only relevant for ecco-branch)
1485    
1486    checkpoint48h_post
1487    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1488    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1489    o Added SEAICE_initialHEFF to pkg/seaice
1490    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1491    
1492    checkpoint48g_post
1493    --- EOS:
1494    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1495      store total Potential in totPhyHyd for diagnostics & EOS.
1496    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1497    --- Pressure/geopotential gradient:
1498    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1499    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1500      ( changes results of global_ocean_pressure )
1501    o NLFS + z-coord.: add eta*Rho' contribution.
1502    o accurate phiHyd when using interface-W at the middle between 2 centers
1503     ( changes results of ideal_2D_oce )
1504    o includes r* 2nd term in potential gradient.
1505    
1506    checkpoint48f_post
1507    Merging from release1_p12:
1508    o Modifications for using pkg/exf with pkg/seaice
1509      - improved description of the various forcing configurations
1510      - added basic radiation bulk formulae to pkg/exf
1511      - units/sign fix for evap computation in exf_getffields.F
1512      - updated verification/global_with_exf/results/output.txt
1513    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1514      (SBO) core products, including oceanic mass, center-of-mass,
1515      angular, and bottom pressure (see pkg/sbo/README.sbo).
1516    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1517      to avoid negative values in shallow regions.
1518      - updated verification/natl_box/results/output.txt
1519      - updated verification/lab_sea/results/output.txt
1520    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1521    o Added useSingleCpuIO option (see PARAMS.h).
1522    o Updated useSingleCpuIO option in mdsio_writefield.F to
1523      work with multi-field files, e.g., for single-file pickup.
1524    o pkg/seaice:
1525      - bug fix in growth.F: QNET for no shortwave case
1526      - added HeffFile for specifying initial sea-ice thickness
1527      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1528    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1529      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1530    o pkg/seaice:
1531      - adjoint-friendly modifications
1532      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1533    
1534    checkpoint48e_post
1535    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1536    o dynamics: change definition of computational domain & adapt mom_fluxform
1537      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1538    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1539        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1540        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1541        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1542        inverted_barometer solid-body.cs-32x32x1
1543      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1544    
1545    checkpoint48d_post
1546    o in preparation for r*:
1547     a) use pre-computed gradient of hydrostatic potential:
1548        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1549     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1550        => affects results of glob_oce_pressure (different truncation error)  
1551      update output.txt of ideal_2D_oce & global_ocean_pressure
1552    
1553    checkpoint48d_pre
1554    o in preparation for r*:
1555      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1556      pass the 2 comp. of the grad. as arguments to momentum S/R.
1557      but for the moment, only used if it does not change the results.
1558    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1559    
1560    checkpoint48c_post
1561    Modifications in treatment of initial flux forcing controls
1562    to avoid extra storing of flux fields.
1563    
1564    checkpoint48c_pre
1565    o Added tidal_basin_2d experiment (currently 1D!)
1566    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1567    
1568    checkpoint48b_post
1569    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1570     (modification to pressure gradient not yet implemented)
1571    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1572      (for U & V) that are used for vertical advection of momentum.
1573    
1574    checkpoint48a_post
1575    o In preparation for r*, use temp. array to compute vertical transport
1576       in flux-form momentum pkg. => change results of few test-exp.
1577      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1578                        lab_sea, natl_box & plume_on_slope
1579    
1580    checkpoint48
1581    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1582    
1583    checkpoint47j_post
1584    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1585    o moved adexch from forward_step to addummy_in_stepping
1586    o added exch in ctrl_map_...
1587    o aveFreq.=0. at end of cost_final to avoid overwrite in
1588      reverse checkpointing loop
1589    o Yet more changes in gmredi:
1590      * adgmredi_calc_tensor
1591        avoiding all recomputation of gmredi_slope_limit
1592      * adgmredi_x/y/rtransport
1593        added flag for excessive storing to avoid recomp. of
1594        u/v/rtans, dTdx/y/z
1595        -> this is not really necessary and very memory-consuming
1596      * adgmredi_slope_psi:
1597        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1598      * gmredi_slope_limit
1599        re-activated full calculation of taperfct for case 'ac02'
1600    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1601    
1602    checkpoint47i_post
1603    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1604    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1605      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1606    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1607    o gmredi: fix few bugs.
1608    
1609    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1610    This will be a good checkpoint to plug into the ecco-branch.
1611    o few modif.'s to get latest version adjointed
1612      (mainly kick out code in ini_linear_phisurf)
1613    o modif's to run adjoint with exactConserv
1614    o case GM_BOLUS_ADVEC should be cleaned
1615      S/R gmredi_slope_psi should be cleaned
1616    o verification/carbon now has exactConserv=.TRUE.
1617    
1618    checkpoint47g_post
1619    o time-average AIM output: becomes independent from statvars time-average
1620      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1621    o After TAF bug fix:
1622      Tested adjoint of gmredi package.
1623      Tests were done with checkpoint47 rather than with latest
1624      checkpoint47f_post since the latter is broken for the adjoint
1625      verification/carbon/ contains both ADM and TLM gradient checks.
1626    Here they are, before they get changed/lost/stolen.
1627    Mostly modif.'s to fix numerical sensitivities.
1628    Gradient checks OK for
1629    - GM_taper_scheme:
1630      * clipping
1631      * ac02
1632      * linear
1633      * glw91
1634      * dm95
1635      * ldd97
1636    - GMREDI_OPTIONS:
1637      * GM_VISBECK_VARIABLE_K
1638      * GM_NON_UNITY_DIAGONAL
1639      * GM_EXTRA_DIAGONAL
1640      * GM_BOLUS_ADVEC
1641    in conjunction with data.gmredi parameters to be checked in
1642    in a few minutes under verification/carbon/code/
1643    
1644    checkpoint47f_post
1645    Merging from release1_p10:
1646    o modifications for using pkg/exf with pkg/seaice
1647      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1648        and SEAICE_EXTERNAL_FLUXES
1649      - pkg/exf CPP options EXF_READ_EVAP and
1650        EXF_NO_BULK_COMPUTATIONS
1651      - usage examples are Experiments 8 and 9 in
1652        verification/lab_sea/README
1653      - verification/lab_sea default experiment now uses
1654        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1655    
1656    checkpoint47e_post
1657    o created a tag prior to creating a branch
1658    
1659    checkpoint47d_post
1660    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1661      at the bottom boundary had an erroneous half slip boundary condition
1662    o added bottom drag and no slip boundary condition capabilities to
1663      oceanic pressure coordinates code
1664    o added new verification experiment global_ocean_pressure, this experiment is
1665      also described in the tutorial section of the manual
1666    checkpoint47d_pre
1667    
1668    checkpoint47c_post
1669    o Added a verification experiment for a global cubed-sphere ocean run
1670      -  verification/global_ocean.cubed32x32x30
1671      -  uses pkg/therm_seaice and pkg/bulk_forcing
1672    
1673    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1674    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1675      when using P-coordinate; only implemented for atmospheric config.
1676    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1677      NOTES: requires option NONLIN_FRSURF to be "#define".
1678    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1679    
1680    checkpoint47b_post
1681    Merging from release1_p9:
1682    o pkg/seaice
1683      - removed GOTO's and added taf directives
1684      - double precision constants to reduce the g77 (Linux)
1685        to F77 (SGI) differences reported in release1_p8
1686    o tools/genmake
1687      - added SGI options
1688    o verification/testscript
1689      - updated to that of checkpoint47a_post
1690    o verification/global_ocean.90x40x15/input/eedata
1691      - modified for SGI f77 compatibility
1692    o verification/lab_sea
1693      - added description of sea-ice model
1694      - added missing matlab routines
1695      - added test of thermodynamics parallelization
1696    
1697    checkpoint47a_post
1698    o new pkg: aim_v23
1699     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1700       for now, keep the same surface forcing as before.
1701     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1702     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1703     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1704    o add diagnostic of surface correction term in monitor output
1705    
1706    o bulk_force and therm_seaice
1707    - Two packages:  bulk_force (Bulk forcing)
1708      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1709    - Earlier integration from Stephaine Dutkiewicz
1710      and Patrick Heimbach.
1711    - Two ifdef statements for compile time,
1712       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1713    
1714    checkpoint47
1715    differentiable version of checkpoint46n_post
1716    o bug fix in quasihydrostaticterms
1717    o * "clean" adjoint code (in terms of extensive recomputations)
1718        can now be obtained for all GMREDI options (i.e. for
1719        - GM_VISBECK_VARIABLE_K
1720        - GM_NON_UNITY_DIAGONAL
1721        - GM_EXTRA_DIAGONAL
1722        - GM_BOLUS_ADVEC )
1723      * However, wrong gradient check problem remains unsolved.
1724      * New CPP options have been introduced for different
1725        tapering schemes
1726    o external_fields_load now part of differentiation list
1727    o pressure needs multiple storing;
1728      would be nice to have store_pressure at beginning or
1729      end of forward_step, e.g. by having phiHyd global (5-dim.)
1730      (NB: pressure is needed for certain cases in find_rho,
1731      which is also invoked through convective_adjustment).
1732    o recomputations in find_rho for cases
1733     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1734    o #define ATMOSPHERIC_LOADING should be differentiable
1735    o ini_forcing shifted to begining of initialise_varia
1736    o Incorporating QNVS line search routines into MITgcm
1737      (this is separate code, and therefore not under pkg)
1738      lsopt/, optim/
1739    o Updated verification/carbon/
1740      - #define GM_VISBECK_VARIABLE_K
1741      - GM_taper_scheme    = 'ldd97'    
1742    
1743    checkpoint46n_post
1744    Merging from release1_p8:
1745    o verification/natl_box:
1746      updating new external_fields_load routine
1747    o New package: pkg/seaice
1748      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1749      The sea-ice code is based on Hibler (1979-1980).
1750      Two sea-ice dynamic solvers, ADI and LSR, are included.
1751      In addition to computing prognostic sea-ice variables and diagnosing
1752      the forcing/external data fields that drive the ocean model,
1753      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1754      The implied surface heat flux is then stored in variable
1755      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1756      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1757      non-local transport term.  Because this call precedes model
1758      thermodynamics, temperature under sea-ice may not be "exactly" at
1759      the freezing point by the time theta is dumped or time-averaged.
1760      N.B.: fairly large differences in accuracy occur across
1761            different platforms/compilers; comparison between
1762            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1763            generated output gives:
1764       T           S           U           V
1765      C D M    c        m  s        m  s        m  s        m  s
1766      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1767      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1768      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1769    
1770      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1771    o GAD:
1772      - generated new common blocks to account for call of
1773        same gad routines with differing traceridentities
1774        (needed to modify tracerIdentity indices in GAD.h)
1775      - generated separate common blocks for case useCubedSphereExchange
1776        (Department of Futurology)
1777      - parameter lists to gmredi_?transport: added tracerIdentity
1778      - added new key indices to tamc.h
1779    o external_fields_load:
1780      - added this routine to TAF list
1781      - needed to make some common blocks global and additional storing
1782        along the same lines as exf package (checkpoint_lev?_directives.h)
1783    o exf:
1784      updated external forcing package
1785      - bug fixes carried over from ecco-branch
1786        (missing OBCS_OPTIONS.h in two routines)
1787      - enable easy to use "no forcing".
1788      - added exf I/O for atmospheric loading
1789      - added exf I/O for runoff data
1790      - transfered scaling between exf <-> MITgcm to exf namelist
1791    o Adding new verification experiment global_with_exf.
1792      This verification experiment is almost identical to the
1793      global_ocean.90x40x15 experiment, except that it uses
1794      the exf (and cal) package instead of the
1795      external_fields_load routine (cf README file).
1796    
1797    checkpoint46m_post
1798    o modified testscript to return -- when there are no lines of "%MON" output
1799    o added new flag "quasiHydrostatic" for QH mode
1800      and new routine quasihydrostaticterms()
1801    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1802      New routine: mom_u_coriolis_nh()
1803    o fixed sign of non-hydrostatic metric terms in u and v equations.
1804      Depend on correct sign of gravitySign.
1805    o added work.pc* to .cvsignore in aim directories using ifc
1806    o introduced flag for controllin non-hydrostatic metric terms
1807    o removed gravitySign from PARM04
1808    o switched to g77/ifc from pgf77 in aim experiments
1809    
1810    checkpoint46l_post
1811    o made convective adjustment work with pressure coordinates:
1812     - changed the direction of k-loop in convective_adjustment.F for the
1813       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
1814     - adjusted the reference pressure k-index in convective_adjustment.F
1815     - adjusted the convection condition in convect.F (in analogy to
1816       calc_ivdc.F)
1817     - convective_adjustment no longer computes anything on the halos
1818     - removed the warnings about negative salinity from find_rho.F and
1819       find_alpha.F; instead the new routine look_for_neg_salinity, called
1820       at the beginning of find_rho, find_alpha, and find_beta, does a
1821       check of the entire slice, if CPP-option
1822       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
1823    checkpoint46l_pre
1824    
1825    checkpoint46k_post
1826    o fixed the verification/global_ocean.90x40x15 experiment:
1827     - new bathymetry (the world according to A., JMC, and M.)
1828     - new initial fields and forcing fields (*.bin files)
1829     - new POLY3.COEFFS (for the next release one should switch to a full
1830       equation of state: JMD95P or MDJWF)
1831     - fixed several errors and redundancies in the data file
1832     - experiment uses looped cells
1833     - added matlab directory with diagnostic scripts for plotting of output
1834    
1835    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
1836     - read AIM physics parameters from a file (data.aimphys)
1837     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
1838    
1839    checkpoint46j_post
1840    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
1841    o move wVel computation at the end of the time step, in S/R integr_continuity
1842    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
1843    o update timeave pkg for wVel diagnostic.
1844    checkpoint46j_pre
1845    
1846    checkpoint46i_post
1847    o Clean up AIM package (and keep the results unchanged):
1848      include CPP_OPTION and use IMPLICT NONE in all routines ;
1849      declare all the variables _RL ; use _d 0 for all numerical constants.
1850      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
1851    
1852    checkpoint46h_post
1853    o cleaned up the use of rhoNil and rhoConst.
1854      - rhoNil should only appear in the LINEAR equation of state, everywhere
1855        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
1856        and the dynamical equations are all divided by rhoConst
1857    o introduced new parameter rhoConstFresh, a reference density of fresh
1858      water, to remove the fresh water flux's dependence on rhoNil. The default
1859      value is 999.8 kg/m^3
1860    o cleanup up external_forcing.F and external_forcing_surf.F
1861      - can now be used by both OCEANIC and OCEANICP
1862    checkpoint46h_pre
1863    
1864     Added code to convert surface volume flux (fresh water) into
1865     a mass flux when using P coordinates in the ocean (OCEANICP).
1866     Note: It assumes you have set rho0=rhoConst=density of fresh water.
1867    
1868    checkpoint46g_post
1869    o Include a new diagnostic variable phiHydLow for the ocean model
1870      - in z-coordinates, it is the bottom pressure anomaly
1871      - in p-coordinates, it is the sea surface elevation
1872      - in both cases, these variable have global drift, reflecting the mass
1873        drift in z-coordinates and the volume drift in p-coordinates
1874      - included time averaging for phiHydLow, be aware of the drift!
1875    o depth-dependent computation of Bo_surf for pressure coordinates
1876      in the ocean (buoyancyRelation='OCEANICP')
1877      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
1878        Theta, Salinity, and Pressure in the parameter list. This routine is
1879        presently contained in find_rho.F. This routine does not give the
1880        correct density for 'POLY3', which would be a z-dependent reference
1881        density.
1882    o cleaned up find_rho
1883      - removed obsolete 'eqn' from the parameter list.
1884    o added two new verification experiments: gop and goz
1885      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
1886    checkpoint46g_pre
1887    
1888    checkpoint46f_post
1889    o Enable tangent linear (forward mode) gradient checks:
1890      - extended active file handling to g_... files
1891      - added TANGENT_SIMULATION to theSimulationMode
1892      - extended grdchk package accordingly
1893    o added tangent linear setup in verification/carbon/code_ftl
1894    o added adjoint setup in verification/front_relax/code_ad
1895    
1896    checkpoint46e_post
1897    o Added new equation of state -> MDJWF
1898      - EOS of McDougall et al., 2002, JAOT, submitted
1899      - caveat: the equation of state is only valid for a smaller (more
1900        realistic?) range of values than JMD95P/Z and UNESCO
1901      - added masks to the calculation of pressure in store_pressure
1902      - added more check values for density in check_eos (ini_eos.F), some of
1903        the old check values are out of the range of the MDJWF-eos, so don't
1904        expect perfect matches for those
1905    checkpoint46e_pre
1906    
1907    checkpoint46d_post
1908    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1909      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1910      case of pressure coordinates. eosType='JMD95Z' in
1911      combination with buoyancyRelation='OCEANICP' now causes an error.
1912    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1913      in find_alpha/beta.
1914    checkpoint46d_pre
1915    
1916    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1917      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1918    
1919    checkpoint46c_post
1920    o Changes necessary for ocean in p-coordinates
1921     -  Added new buoyancy relation = 'OCEANICP'
1922     -  Added new parameters = gravitySign (this used to be contained inside
1923        the factor dRdZ which I added when we first switched to R coordinates).
1924     X GM/Redi is not compatible (yet)
1925     X bottom drag and no-slip need to be debugged.
1926    checkpoint46c_pre
1927    
1928    checkpoint46b_post
1929    o Added new equation of state -> JMD95Z and JMD95P
1930      - EOS of Jackett and McDougall, 1995, JAOT
1931      - moved all EOS parameters into EOS.h
1932      - new routines ini_eos.F, store_pressure.F
1933    o Added UNESCO EOS, but not recommended because it requires
1934      in-situ temperature (see JMD95)
1935    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1936      unesco.f to be used with POLY3
1937    checkpoint46b_pre
1938    
1939    checkpoint46a_post
1940    o Added (atmospheric) pressure loading
1941      - new field in FFIELDS.h, etc...
1942      - new cpp flag ATMOSPHERIC_LOADING
1943    o Changed hFacC to _hFacC in calc_phi_hyd.F
1944    o Added SHORTWAVE_HEATING to some files for consistency
1945    checkpoint46a_pre
1946    
1947    checkpoint46
1948    further merges from release1_p5
1949    o new ctrl package
1950      - adopted from ECCO environment to enable optimization
1951      - added Eliassen Palm fluxes to controls
1952    o added Eliassen Palm flux controls to gradient check package
1953    o cost package
1954      - Compatible with new ctrl package
1955      - added Eliassen Palm cost hooks
1956      - modif's of existing cost functions
1957    o Adjoint-related bug fixes in kpp:
1958      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1959      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1960    o autodiff package
1961      - flow directives:
1962        + new for S/R do_the_model_io
1963        + enhanced for S/R checkpoint
1964        + new gmredi.flow
1965      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1966        disable adcommon.h/g_common.h by default.
1967      - fixed problem for adjoint of global_max
1968    o modified verification/carbon/
1969    o New setup for adjoint of global_ocean
1970    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1971    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1972    o incorporated hooks for sponge layer code (external_forcing.F)
1973    
1974    checkpoint45d_post
1975    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1976    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1977      (affects plume_on_slope "cg2d" output)
1978    o add new parameter deltaTfreesurf for free-surface time stepping
1979    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1980    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1981    o change phiMin in exp1 (to agree with documentation)
1982    o add new flags:
1983     - T,S forcing inside/outside Adams-Bashforth
1984     - turn off temp,salt advection and/or forcing
1985     - for each tracer, define internal flag for multiDimAdvection & A-B
1986    o monitor: change definition of KE to check conservation of Energy
1987    
1988    checkpoint45c_post
1989    o Removed f90 comments ("!")
1990    o Modified initialisations to enable exf package for MITgcm
1991      (without invoking ECCO_PACKAGE).
1992    o modifications to gradient check package (Martin Losch)
1993      - enable centered differences
1994      - modified format of standard output
1995    
1996    checkpoint45b_post
1997    o cleaned exchange calls in cg2d
1998    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1999    o included CPP option SINGLE_LAYER_MODE in thermodynamics
2000      to configure barotropic setup (Martin Losch)
2001    o moved some initialisations within bi,bj loop in dynamics
2002      (TAF flow dependency)
2003    o in initialise_varia, moved call packages_init_variables
2004      before convective_adjustment_init
2005      (corresponding adjustment of TAF tape initialisation).
2006    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
2007    
2008    checkpoint45a_post
2009    o compute Rho over the whole domain (extend iMin,jMin indices)
2010    o specific exchange for X-slice domain (case Ny=1)
2011    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
2012    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
2013    
2014    checkpoint44h_post = checkpoint45
2015    o Fix to restore differentiability:
2016      place at which packages_init_variables is called in
2017      initialise_varia is crucial for reverse control flow.
2018    o modifications in GMRedi to enable stable adjoint
2019      (corresponding modif's in thermodynamics, dynamics)
2020    o added missing hook for sponge layer code in external_forcing
2021    o modified test cost functions
2022    o storing in gad_advection (plus removal of write(0,*)!
2023    o missing headers TR1.h added in convective_adjustment routines
2024    o errorMessageUnit set non-equal zero in eeboot
2025      (conflict on some platforms, e.g. IBM SP3)
2026    o modified carbon verif.
2027    
2028    checkpoint44h_pre
2029    o vertical grid option: allow to put the Interface at the middle between
2030      2 cell-centers ; replace delZ in pkg/kpp by drF.
2031    o GM Advective form: Tracers are advected using the residual transport (=
2032      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
2033    
2034    checkpoint44g_post
2035    o fix surface correction term in multiDimAdvection (affects plume_on_slope
2036      results) ; ifdef missing in thermodynamics.F
2037    
2038    checkpoint44f_pre,checkpoint44f_post
2039    o added PTRACERS package
2040      This allows an arbitrary number of passive tracers to be integrated
2041      forward simultaneously with the dynamicaly model.
2042      + Implemented so far:
2043        - basic forward algorithm (time-stepping, advection, diffusion, convection)
2044        - I/O and checkpointing
2045        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
2046      + Not implemented so far:
2047        - KPP
2048        - OBCS
2049      + No specific example supplied (yet) but global_ocean.90x40x15 has the
2050        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
2051        line in data.pkg.
2052      + This package is disabled by default since it increases storage.
2053    
2054    
2055    o testscript: added -cleanup option
2056    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
2057                 b) enable to filter 2D fields.
2058    
2059    checkpoint44e_pre,post
2060    o re-wrote convective adjustment to use pre-calculated weights
2061      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
2062      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
2063      Original calls to convect() still in place.
2064    
2065    chkpt44d_pre,post
2066    o added missing EXCLUDE_MONITOR flags
2067    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
2068      (incompatible typ in MIN/MAX expressions caused problems
2069      on IBM SP3)
2070    o in genmake added variable MAKEDEPEND
2071      plus resetting for case SunOS
2072    o added timer_stats.c routine for IBM SP3
2073    o removed variables in dynamics
2074    !!! I forgot to create tag chkpt44d_pre !!!
2075    !!! But chkpt44d_pre = chkpt44c_post    !!!
2076    
2077  o real fresh water flux implemented with non-linear free-surface.  o real fresh water flux implemented with non-linear free-surface.
2078    
2079  chkpt44c_pre,post  chkpt44c_pre,post

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