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revision 1.193 by edhill, Thu Oct 23 04:41:40 2003 UTC revision 1.568 by mlosch, Tue Oct 11 13:18:17 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  untagged  o modify exp4 to test new obcs support reading from external files
8      and for passive tracers
9    o fix behavior of ptracers_monitor when monitor output is written to a
10      netcdf-file; still not independent of monitor.F (writes in the same
11      file).
12    o change default value of tRef (put a uniform, meaningful value for ocean
13      & atmos) and initialize sRef (was missing, as Martin mentioned).
14    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
15      to be proportional to enstrophy dissipation length.  Thus,
16       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
17      This is now consistent with Smagorinsky and with the manual.
18    
19    checkpoint57u_post
20    o OBCS and PTRACERS: add open boundary support for passive tracers
21      - either use homogenous (pseudo) v.Neumann conditions or prescribe
22        OB-values from file; this is not different from the way theta and salinity
23        are treated
24      - however, Orlanski-radiation conditions are not supported, and the model
25        will stop if you use pTracers and Orlanski at the same time.
26      - beefed up the rountine obcs_external_fields_load: now only those open
27        boundary values are overwritten with values from files for which there
28        are really files, otherwise the OB-fields remain untouched. This makes
29        it possible to use different OBs at different ends of the domain (as
30        with EXF)
31    o reduce number of exch calls in shap_filt (s2).
32    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
33      truncation level) 4/5 MLAdjust test results (11&12 digits match).
34    
35    checkpoint57t_post
36    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
37    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
38      same truncation, independent of the face number: affects affects several
39      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
40    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
41      note that biharmonic viscosity + no-slip was not tested in any experiment.
42    o fix bug in non-linear free-surf side-drag ; generate new output for
43      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
44    o make mnc honor the writeBinaryPrec flag for most kinds of output
45    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
46    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
47      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
48    o add brackets in multi-terms sum to get same truncation, independent of
49      the face number (manage to get exactly same value of gU,gV at the cs-edge)
50      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
51    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
52      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
53      a maximum grid-scale Reynolds number.  Also, changes all length calculations
54      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
55      Suggested values of viscosity parameters found in mom_calc_visc.
56      Many new viscosity diagnostics available.
57    
58    checkpoint57s_post
59    o Add clearing-house for viscosity calculations, mom_calc_visc and
60      correct numerous bugs in LeithD and Smagorinsky discretizations.  
61      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
62      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
63      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
64      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
65      The Strain-Tension form is now called with useStrainTensonVisc=.true.
66      ViscAhStrain and viscAhTension are now retired.
67    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
68    o In response to JMC's bug report, genmake2 now ignores any soft-links
69      that it finds in the *current* directory when searching for files.
70      Soft-links found in any other source directories will still work as
71      they did before.
72    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
73      a C routine to unlimit the stack size
74    o mnc-ify pkg/aim snapshot vars
75    o mnc-ify pkg/land as requested by Daniel
76    o various changes to mnc including:
77      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
78      - output can now be grouped so that all files within a group
79          change the ITER portion of their names in lock-step together
80      - can now read ("global") PER-FACE (in addition to PER-TILE) files
81          and works with both EXCH1 and EXCH2 (but needs more testing)
82      - writing works for all verification test cases w/ g77 on Linux
83    
84    checkpoint57r_post
85    o make MNC variable initialization happen earlier
86    o add diagnostics for (almost) each term of the momentum Eq.
87    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
88    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
89    o remove MINIMAL_TAVE_OUTPUT option ;
90      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
91    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
92      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
93    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
94    o add time-dependent SST, SSS control
95    o cost terms in ecco/ modularized (new cost_generic.F)
96    o cost_averages routines are modularized (new cost_averagesgeneric.F)
97    o new infrastructure for seaice model vs. obs misfits in seaice/
98      * driver from the_main_loop.F is seaice_cost_driver.F
99      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
100      * gradient check in Exp. 6a of natl_box_adjoint/
101    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
102      (see README file)
103    
104    checkpoint57q_post
105    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
106    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
107      - bug was reported by Jean-Michel and Ian Fenty
108    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
109      update exp. cpl_aim+ocn output.
110    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
111      Needed for high-res. runs with large global files
112      to be able to limit tapelev size
113    o Changed some tests for adjoint:
114      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
115      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
116      * global_ocean.90x40x15/ back to default 3-level checkpointing
117    o Modifications to enable scripted COMMON to MODULE conversion
118      * verification/OpenAD/code/ has necessary scripts and description;
119      * converts, compiles and runs successfully;
120    
121    checkpoint57p_post
122    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
123    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
124      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
125    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
126    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
127      (was already the case for dissipation with mom_vecinv,
128       and also the case for grad.PhiHyd when staggered-timeStep)
129      This will allow to put dissipation out-off the AB time-stepping.
130     Unfortunately, affects truncation error. Update output of exp. that "fails"
131      (cg2d matching number) and leave the others for later: front_relax(10),
132      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
133      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
134    
135    checkpoint57o_post
136    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
137      (2) its ready to be documented during the 20050801 DocFest
138    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
139      for ideal_2D_oce and lab_sea on linux_ia32_g77
140    o set to #undef CTRL_SET_OLD_MAXCVARS_30
141      in global1x1_tot/code_seaice_adj to access indices 32, 33
142      (worth another tag)
143    
144    checkpoint57n_post
145    o adding precip control xx_precip 32
146    o adding swflux control xx_swflux 33
147    o Replacing 10 forcing penalty cost routines by 1 generic.
148    o Implementing partitioning in time-mean and variable adjustment
149      for atmos. state.
150    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
151    o in natl_box_adjoint:
152      * updated exp 1 to 10
153        (but does not have time-mean vs. variable split results yet)
154    o updated global1x1/*_seaice_adj/
155      to incorporate latest changes
156    o enable useSingleCpuIO for mdsio vector routines
157      (applies in particular to tapelev I/O)
158    o removed inefficient K-loop in all active_file*control*.F
159    
160    checkpoint57m_post
161    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
162      and advect_cs (use EXCH-2 and standard cs-32 grid files).
163    o pkg/exch2: filling of face-corner halo regions is optional
164      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
165    
166    checkpoint57l_post
167     tag before updating tutorials (pre-release-2)
168    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
169       for output and interpolation of input fields onto model grid)
170    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
171       Affects results of exp. rotating_tank ; update output.txt.
172    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
173          and taking the square quantity and/or using a fraction-weight field.
174    o fix aim_diagnostics_init.F mate numbers.
175    o add mnc output capability to diagnostics/diagstat and update
176      our cvsignore files for the ACSII output generated
177    
178    checkpoint57k_post
179    o lab_sea now uses diagnostics package and provides a suite of
180      new EXF diagnostics output.
181    
182    checkpoint57j_post
183    o exf
184      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
185        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
186        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
187      * extended diagnostics output
188        - now includes all EXF variables
189        - hs, hl moved to common block
190        - separate S/R for diagnostics, called after ctrl vector is added
191        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
192        - EXFqnet contains true Qnet (i.e. includes qsw)
193      * updated verif. lab_sea, global_with_exf
194      * Rearranging hflux (exf_mapfields -> exf_getforcing)
195        to ensure that diagnostics sees a true EXFqnet
196    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
197    o diagnostics pkg: change pointers so that 1 diagnostic can be used
198      several times with different frequencies.
199    o mnc-ify the thsice package as requested by Daniel Enderton
200      - the monitor--MNC output needs work
201      - many attributes need to be added (most are currently blank)
202    o mnc-ify theaim_v23 package as requested by Daniel Enderton
203      - many attributes need to be added (most are currently blank)
204    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
205    o add Sadourny like discretization to the 4th.O vorticity advection scheme
206    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
207      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
208         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
209    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
210     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
211    
212    checkpoint57i_post
213    o Diagnostics package was changed: diagnostic allocation is now deactivated
214      by setting an empty file name in the namelist (used to be by setting 0 frequency)
215    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
216      add 1rst Order upwind vertical Shear.
217    o add a quick fix for A/B checkpointing in OFFLINE mode
218    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
219      end-run around the C/Fortran linking horror in eesup/src/timers.F
220    o added pkg/runclock: allows user to terminate run based on wall clock
221    o added non-hydrostatic scaling parameter: nh_am2
222    o pkg/my82: futile attempt to make results compiler-independent by adding
223      some "_d 0", etc. no effect.
224    o for mnc output, fill the 'T' coordinate var with myTime and create a
225      separate 'iter' variable for iteration count
226    o pkg/diagnostics:
227      add new capability: output of Global/Regional & per-level statistics ;
228      tested against monitor output (including land & thSIce) on various exp.
229    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
230    
231    checkpoint57h_done
232      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
233      data.diagnostics, data.gchem, data.ptracers) is done.
234    
235    o pkg/diagnostics: prepare for Global/Regional statistics.
236      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
237    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
238      and rename it: DIFFERENT_MULTIPLE
239    
240    checkpoint57h_post
241    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
242    o pkg/diagnostics: change output frequency, now in seconds (instead
243      of Nb of iterations). This requires to change data.diagnostics.
244    checkpoint57h_pre
245    
246    o in mnc, let the user create the output dir if both mnc_outdir_date
247      and mnc_outdir_num are false
248    o add fflags() to pkg/diagnostics which allows one to specify, on a
249      per-file basis, the file precision [default behavior is unchanged]
250    o added diagnostics to pkg/kpp, including computation of mixed layer
251      depth based on a temperature/density criterion
252    o updated verification/natl_box to test the new pkg/kpp diagnostics
253    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
254    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
255    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
256      not mnc -- this mistake was found by JMC and is now corrected
257    
258    checkpoint57g_post
259    o add Adams-Bashforth 3rd Order time stepping:
260      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
261      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
262    checkpoint57g_pre
263    
264    o make lambda[Theta,Salt]ClimRelax spatially varying
265      (default remains spatially uniform constant based on tau)
266    o added new control variables
267      * init. uVel, vVel, etanN
268      * lambda[Theta,Salt]ClimRelax
269    o separate masks used for ctrl_pack/unpack 'from write_grid' output
270      (suggested by G. Forget)
271    
272    checkpoint57f_post
273    o add parameter "baseTime" = model base time = time at iteration zero
274      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
275      account for baseTime shift
276    o move Coriolis arrays from PARAMS.h to GRID.h
277    checkpoint57f_pre
278    
279    o mnc-ifying the seaice package
280    o introduced an alternative length scale calculation for use in the limiting
281      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
282    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
283    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
284      as well as grad(vort3).  Made it compatible with both approximate form
285      for the cubed sphere and full form of these gradients.  Added flag
286      useFullLeith to select between approximate and full form.  
287    o add "d0" in getcon.F to reduce differences between compilers/platforms
288      update output.txt of exp. fizhi-gridalt-hs
289    o change port_rand funtion to allow to set the seed.
290    o fix obscure MNC bug involving conversion between reals and integers
291      - it caused no problems with certain (eg. gcc, ifc) compilers but the
292        new version is now more standards-compliant
293    o adjoint-related modifications
294      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
295      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
296      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
297    
298    checkpoint57e_post
299    o Adding eddy stress controls a la Ferreira et al.
300    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
301    
302    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
303      update output.txt of exp. fizhi-gridalt-hs
304    o add more "Z" dimensions and associated coordinate vars to MNC
305    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
306    o parameter calendarDumps: when set, approximate months (30-31 days) and years
307      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
308      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
309      months and years.  Requires pkg/cal.
310    o diagnostics: add pickup functionality
311      - off by default for backwards compatibility
312      - current version only uses MDSIO -- MNC will be added
313    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
314    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
315    
316    checkpoint57d_post
317    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
318    o modify verification/ideal_2D_oce so that it tests the creation of mnc
319      output from the diagnostics package
320    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
321    o make genmake2 more portable by using ".$FS" instead of ".f" for more
322      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
323    o add coordinate variables to the MNC output from the diagnostics package
324    o change MNC-flags default value: true when useMNC=TRUE
325    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
326      the ability (off by default) to read the grid information using MNC
327    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
328    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
329    o do snap-shot diagnostics at the middle of the time-interval (instead of
330      at the end).
331    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
332      new test for AIM with thSIce + slab-ocean
333    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
334    o move state variable diagnostics to the beginning of the time step ;
335      (note: still needs some work specially for snap-shot diagnostics)
336      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
337    
338    checkpoint57c_post
339    o Change testing option (-ieee) to get closer agreement between g77 & ifort
340    o generate new output.txt files on faulks with g77 & the new -ieee option
341    checkpoint57c_pre
342    
343    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
344      update output.txt of exp. global_ocean.90x40x15
345    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
346      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
347    o add saltFlux(+File) forcing capability with periodicExternalForcing
348    o allow to use pkg diagnostics for GM-Redi & ThSIce output
349    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
350    o improvements for the MNC output from DIAGNOSTICS:
351      - correct handling of the unlimitied dimension
352      - all dims now have associated coordinate variables
353      - variables located at U, V, and Corner ("Z") points are now written
354        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
355        *all* data points are output
356    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
357    o added pkg/seaice/seaice_monitor.F
358    o mdsio_readfield.F can now read files visible only to master MPI process.
359    o pkg/seaice: some test code for ice-modified ocean stress
360    o exf_getffields interpolation defaults to bilinear for all scalar forcing
361      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
362      spurious negative numbers for precipitation and humidity.  Will cause
363      some small numerical differences for integrations using pkg/exf/exf_interp.F.
364    o pkg/ctrl/
365      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
366        May be enabled via doPackDiag
367      *  introduce z-scaling of
368         + gradient (doZscalePack) and
369         + control (doZscaleUnpack)
370    o pkg/mdsio/
371      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
372      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
373    
374    checkpoint57b_post
375    o simplify options in diagnostics_fill arguments (remove weird combinations)
376    o fix MNC coordinate variables so that they now contain per-face index
377      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
378      general, EXCH2 grids are only aligned to a "local" coordinate system
379    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
380    o Implement instantaneous output within pkg diagnostics:
381      setting a negative frequency in data.diagnostics produces
382     "snap-shot" output (as opposed to time-average if freq > 0)
383    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
384      NOTE: change ptracer diagnostics name: use 2 characters to work with
385            more than 9 tracers. Add also diagnostics of advect & diffus flux.
386    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
387      becomes the coordinate variable for the 'T' dimension
388    o add CF-style coordinate variables to MNC
389      - just a first cut:  numbers are meaningless on the cubesphere and
390        missing along the T axis but otherwise it works!
391    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
392    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
393    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
394      this is based directly on what the model compute, so that the content of
395      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
396    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
397    o clean up build options files for SunOS, in particular
398      - remove -traditional from xmakedepend
399      - change -xarch=v9 to -xarch=native for f77
400      - restore use of make (not gmake)
401      - add CC=gcc if using g77
402    o changes per discussion of AM, JMC, & EH3 today:
403      - move redundant "grid" variables out of "state" -- in preparation of
404        creating proper CF-style coordinate variables and in recognition
405        that any/all grid variables can be easily copied (eg. w/NCO) from
406        the grid files into any of the other NetCDF files
407      - *always* output grid variables with MDSIO (this will eventually be
408        changed)
409      - output MNC grid file if useMNC is true
410    o every instance of _END_MASTER() has been found and replaced with
411      _END_MASTER( myThid ) in order to satisfy certain picky Sun
412      preprocessors
413    o re-arrange diagnostics pkg initialisation:
414     - allow each package to extend the available diagnostics list
415     - add some checking and fix small problems (multi-threaded, ...)
416     - new S/R diagnostics_fill (replace fill_diagnostics):
417       look through the short list of active diag. (instead of the long list)
418       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
419    
420    checkpoint57a_post
421    o this set of changes restores TAMC compatibility
422      tested for global_ocean.90x40x15 adjoint on trough
423      (what a pain)
424    
425    checkpoint57a_pre
426    o some modifs in tools/build_options for sunos
427    o call ctrl_pack for ctrl at end for optimcycle=0
428    
429    checkpoint57
430    o add horizontal bi-harmonic viscosity for vertical velocity
431      - new parameter viscA4W (defaults to viscA4)
432      - affects only non-hydrostatic code
433      - to be done: no-slip lateral boundary conditions
434    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
435    o implement Implicit Vertical advection for pTracers
436    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
437      (implemented also for implicit vertical diffusion & advection)
438    o OBCS: extend application of tracer open boundary conditions
439      to a strip beyond the boundary of width Olx/Oly
440    o add call monitor to TAF set of required calls (flow directives)
441      and include in natl_box_adjoint
442    o untangle a few ifdefs related to cost, ctrl, autodiff
443      untangel a few ALLOW_ECCO_OPTIMIZATION
444    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
445      (theta2, salt2 in ecco_cost_weights)
446    
447    checkpoint56c_post
448    o OBCS as control variables
449      - update ctrl_ad_diff.list, obcs_ad_diff.list
450      - remove balance of obcs controls from default
451      - fix index bug nobcs in ctrl_init
452      - fix dummy fields filen in ctrl_pack
453      - add dummy weights for obcs
454    o lsopt: comment out fort.94 output
455    o optim:
456      - remove unnecessary header files
457      - adjusted namelists
458      - add xerbla.F to Makefile
459    o exf:
460      - multiple modifications of exf_check_range
461      - unit change in exf_init_runoff from [m/year] to [m/s]
462    o mdsio:
463      - i/o-vector change debugLevel from debLevA to debLevB
464    
465    checkpoint56b_post
466    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
467      is called from DO_THE_MODEL_IO
468      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
469      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
470      - clean up PTRACERS_WRITE_TIMEAVE a little
471    o add another verification experiment that tests both the cfc-pkg and
472      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
473      reactive tendencies treated inline with regular timestepping
474    o testreport previously did a lousy job of comparing small numbers, so
475      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
476      implemented in the little c-progam tmp_cmpnum.c which is embedded in
477      testreport.
478    o ptracers_monitor: bug fix for MPI
479    
480    checkpoint56a_post
481    o GCHEM: finish reorganizating the package
482      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
483        (introduces another 3D-array for each passive tracer, but only if
484        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
485        gchemTendency is not needed because the timestep is done separately)
486      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
487      - GCHEM is now---more or less cleanly---separate from PTRACERS
488      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
489        so clear to me how that should be done in a general way.
490    o CFC: improve formatting of output in CFC_ATMOS
491    o PTRACERS:
492      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
493        that ALL experiments with ptracers enable can be checked. This makes
494        GCHEM_MONITOR obsolete.
495      - include a runtime parameter PTRACERS_monitorFreq that defaults to
496        monitorFreq
497      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
498    o add PTRACERS (PTR0[1-5]) to testreport output
499    o exf_check_range:
500      * default changed to .TRUE.
501      * will check values for niter0 if debLevA, every timestep if debLevB
502      * STOP in exf_check_range if 'out of range'
503      * range chosen generous to allow for potential extema
504      TBD: a version with stricter range
505           permitted range would be runtime parameters
506    o GMredi:
507      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
508      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
509      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
510    o GCHEM:
511      - move call to GCHEM_FORCING_SEP, so that it is now called before
512        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
513      - introduced a useGCHEM runtime flag and applied it everywhere.
514      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
515        this flag is now only visible within GCHEM-pkg routines.
516      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
517        be replaced by a 3D array that is computed before thermodynamics; for
518        this, the tracer ID iTracer had to be included into the parameter list
519        of ptracers_forcing
520      - set up forward_step to call gchem_forcing, that will replace
521        gchem_forcing_int in ptracers_forcing
522      - cleaning up
523    o small cleaning of exch2: remove files that are also in eesupp/src
524    
525    checkpoint56
526    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
527    o mnc: cleanup "full" files--fixes out-of-memory problem
528    o ECCO-GODAE
529      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
530      * fully merged and updated from SIO code
531        windstress sign change affects
532        - exf_inscal_[u/v]stress
533        - sign of xx_tau[u/v] adjustments
534        - signs in cost_scat
535      * ctrl_get_gen: avoid update of tau[u/v] for first few days
536      * natl_box_adjoint updated and compressed
537      * 2-level checkpoint switch added
538        (tested in EXP. 1 of natl_box_adjoint)
539      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
540    o SVD
541      * first complete, non-hacked version for SVD calculations
542      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
543        performed via direct access files admtlm_vector.it????
544        (via ctrl_[un]pack)
545      * optimcycle is used for ARPACK iteration counter
546        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
547      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
548        and add linear transforms where necessary
549      * controls are initial/final SST, SSS (can be extended; need to check
550        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
551    o mdsio: filename info to both stderr, stdout
552    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
553      from sign change
554    
555    checkpoint55j_post
556    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
557      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
558    o add consistent build directories and .cvsignore files to verification
559    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
560    o make all subroutines 30 or less characters in length for certain older
561      compilers to work (a thorough search only turns up two routines in
562      pkg/ptracers)
563    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
564      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
565    
566    checkpoint55i_post
567    o change arrays for total vertical diffusivity (2.D if explicit,
568      3.D if implicit) ; each ptracer uses its own background value.
569    o added mnc/NetCDF output capability to ocn_compon_interf
570      - added bits to verification/cpl_aim+ocn so that it can run on
571        ITRDA and other clusters without the mpirun "-wd" option
572    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
573      configuration
574    o give MNC the ability to create additional files rather than
575      exceeding a specified file size limit "MNC_MAX_FILESIZE"
576      - the default is just less than 2GB which is a practical limit
577        on many systems
578    o Compute the non-local term using either KPP vertical diffusivity (=default)
579       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
580    
581    checkpoint55h_post
582    o add verification test "vermix"
583    o remove all the *_ioinc flags and replace with the single global
584      outputTypesInclusive flag
585    o allow to set a vertical profile of vertical diffusivity for T & S
586    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
587    o useMNC moved from data.mnc to data.pkg
588    
589    checkpoint55g_post
590    o Renaming carbon AD experiments to comply with testreport conventions
591    o Updating adjoint of Held-Suarez hs94.1x64x5
592    o Fixing directives for non-ECCO forward_step, after ECCO directives
593      have been fixed to avoid recomp. of do_oceanic_phys
594      Works well for global_ocean.90x40x15,
595      but recomp. issue remains for carbon
596    o Updating adjoint output for natl_box_adjoint after
597      pkg/ecco has been modified (see taga c55d_post)
598    
599    checkpoint55f_post
600    o rename to timeave_init_fixed
601    
602    checkpoint55e_post
603    o some delicate re-shuffle of store directives to avoid one
604      extra call of do_oceanic_physics
605      affects ecco_the_main_loop.F, do_oceanic_physics.F
606      checkpoint_lev1_directives.h
607    o NB: this may break global_ocean adjoint temporarily,
608      but it is clear how to fix it. Will do later, need this now.
609    
610    checkpoint55d_post
611    o ECCO specific cost function terms (up-to-date with 1x1 runs)
612    o ecco_cost_weights is modified to 1x1 runs
613    o modifs to allow observations to be read in as
614      single file or yearly files
615    o enable to read exf forcing fields as either
616      single file or yearly files (flag useExfYearlyFields)
617    checkpoint55d_pre
618    
619    o switch between 2-level and 3-level checkpointing
620    o add ability of MNC to write local and "partial" (eg. 2D slices where
621      the full 3D field is never actually stored) arrays to NetCDF files
622      with the correct (that is, the complete multi-dimensional) set of
623      array indicies
624      - used in mom_vecinv() to write the diagFreq output
625      - tested (demonstrated) in verification/aim.5l_cs
626    o further mnc-ification
627      - add verification/lab_sea to the list with mnc setups
628      - fix undefined mnc v-names in cd_code
629      - add kpp to mnc output (both snapshot and timeave)
630    o non-hydrostatic code
631      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
632        in calc_gw.F
633      - defaults to viscAh
634      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
635        friction or Leith) in non-hydrostatic mode, as long as there is
636        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
637    o pkg/cost
638      extend simple cost functions to treat time mean quantities
639      (T,U,V) via cost_accumulate_state from cost_tile
640    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
641        be 2 times larger than the minimum size the advection scheme requires.
642        now get a perfect conservation of salt in advect_cs test-exp (updated)
643    o GGL90 (Gaspar's TKE mixed layer)
644      - add horizontal diffusion of TKE, requires exchanges in
645        do_fields_blocking_exchanges, horizontal diffusivity is zero by
646        default. In OPA there is no horizontal diffusion of TKE but the
647        mixing coefficients are computed from a horizontal average of TKE of
648        6 points or so. I think that diffusion has a little more physical
649        justification.
650      - clean up ggl90_calc in the hope of reducing memory usage (this hope
651        was in vain)
652      - mask tke-variable in ggl90_init
653    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
654    o fix biharmonic diffusion on CS-grid.
655    o more obcs stuff
656      - added obcs_external_fields_load as an alternative to the EXF-pkg option
657        for reading boundary values. This routine is called from
658        obcs_prescribe_read
659      - updated obcs_check
660      - changed sponge layer relaxation parameter units for days to seconds
661      - turned off sponge layer by default
662      - changed argument list of OBCS_CALC to myTime+deltaTclock
663      - fixed about 35 bugs in obcs_external_fields_load
664    
665    checkpoint55c_post
666    o obcs stuff
667      - new runtime flags useOBCSprescribe, useOBCSbalance
668      - re-arranged obcs_calc
669      - moved exf_getobcs to obcs_prescibe_read
670        obcs_prescibe_read is called after ORLANSKI stuff
671        and independent of it (executable can contain all).
672      - updated obcs_check
673      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
674        These may be necessary only if tangential velocities are
675        prescribed at OB, not sure, needs testing.
676    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
677      which simplifies the calls and passes the ifc check-bounds test
678    
679    checkpoint55b_post
680    o add a 2D scalar, Z location, exchange_2 routine.
681    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
682      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
683      affects advect_cs results (for the wrong reason): update output.txt
684    o use a more standard discretization for biharmonic viscosity ;
685     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
686      affects results of dome set-up: update output.txt
687    o fix gad_advection.F (CubedSphere part), back to version 1.23
688    o fix bug in mom_vi_del2uv.F (CubedSphere part).
689    
690    checkpoint55a_post
691    o merged code to
692      * prescribe/read time-dependent open boundaries
693        (works in conjunction with exf, cal)
694      * sponge layer code for open boundaries
695      * each boundary N/S/E/W now has its own CPP option
696        (healthy for the adjoint)
697    
698    checkpoint55
699    o up-to-date adjoint of previous breaks
700      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
701      - global_ocean_ebm: adjoint still needs fix (TLM ok)
702      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
703      - carbon: * remove tr1-related adjoint verification
704                * add ptracer as control variable
705    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
706      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
707    
708    checkpoint54f_post
709    o in verification/carbin/ remove experiment related to
710      ALLOW_PASSIVE_TRACER (array tr1 etc)
711      code_ad/ input_ad/ results_ad
712    
713    o add two new packages
714      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
715        + subject to optimization (memory)
716      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
717        + subject to reordering (many GOTOs in the original code)
718        + so far opps is called for every (i,j) point, and then operates in
719          the vertical; one may want to reorder the scheme in order operate in
720          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
721          fields)
722    o overhaul of IO so that we now have flags for MDSIO and/or MNC
723      - all verification tests compile and run with linux_ia32_g77
724      - defaults are compatible with current input files--nothing
725        should change if you were not previously using MNC
726      - MNC output has been added in numerous places (eg. timeave)
727        but there are still a few writes not yet do-able with MNC
728        (this is in progress)
729      - flags now allow for either/or/both use of MDSIO and MNC and
730        documentation will soon follow
731      - numerous small formatting cleanups for ProTeX
732    o add version info (via BUILD_INFO.h) to MNC and stdout
733    
734    checkpoint54e_post
735    o add two new packages
736      - pp81 (Packanowski and Philander, 1981), Richardson number and
737        stratification dependent mixing
738      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
739      - these scheme operate in a similar manner as KPP (without ghat, of
740        course), however there is only one diffusivity that is used for both
741        temperature and salinity (and passive tracers)ç
742    o add offline package
743    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
744      provided by Stephanie Dutkiewicz
745    o genmake2: add ability to search for C compilers and cleanup test output
746      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
747    
748    checkpoint54d_post
749    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
750    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
751      leading to additional shift by 5 days each year of integration
752       (i.e. leading to considerable offset over the years)
753    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
754    o start with no AB and no initial filtering (staggerTimeStep):
755      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
756    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
757      (external loading & cpl import/export stay in forward_step.F)
758    o update coupling interface to work with new staggerTimeStep
759    o change MDSIO ptracers_pickup.
760    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
761    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
762    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
763    
764    checkpoint54c_post
765    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
766      this affects (truncation error) output.txt of test-exp:
767       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
768    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
769    o change Qnet to always be the net heat flux, (+upward).
770      affects (truncation error) output of natl_box exp.: updated
771    o define the max number of passive tracers in PTRACERS_SIZE.h
772    o start to test mnc routinely in exp0
773    o add sea-ice loading (sIceLoad) as a new forcing field.
774    
775    checkpoint54b_post
776    o add testreport "-j JOBS" option for parallel builds (tested and pretty
777       impressive on Altix and Opteron systems)
778    o diagnostics can now write NetCDF files through the mnc package
779    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
780    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
781    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
782      affects (truncation error) output of lab_sea & natl_box exp.: updated
783    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
784    
785    checkpoint54a_post
786    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
787    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
788    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
789    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
790      + internal_wave (shift in writing cg2d_ini_res)
791    checkpoint54a_pre
792    
793    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
794      - modified verification/lab_sea and natl_box_adjoint accordingly
795    
796    checkpoint54
797    checkpoint53g_post
798    o prepare splitting of thermodynamics: store convect.counter in common block
799    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
800      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
801    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
802    o new parameter "nShapS": allow to treat differently S from T (nShapT)
803    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
804    o restore adjointability
805    
806    checkpoint53f_post
807    o modifications that affect AIM experiment results (update output.txt):
808      - no advection of S at top interface Nr (pkg/generic_advdiff)
809      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
810    o AIM pkg:
811      - include stability function into surf.Flux derivative relative to Tsurf
812      - calculate clear-sky radiation & surface temp. change (for diagnostics)
813    
814    checkpoint53e_post
815    o merged cylindrical coord configuration
816    o added rotating_tank experiment
817    checkpoint53e_pre
818    
819    checkpoint53d_post
820    o faulks upgraded: re-generate output.txt that have changed:
821       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
822    o Added Bryan and Lewis, 1979, vertical diffusivity profile
823    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
824    o added Sadourny discretization of Coriolis
825      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
826      - re-enabled use of omega3 (useAbsVorticity)
827    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
828      vector-invariant equations
829      - note: does *NOT* yet use same variable visc. for no-slip BC's.
830    o recoded the lateral boundary conditions for non-hydrostatic w, this time
831      hopefully without new bugs
832      - still to do: biharmonic friction for non-hydrostatic w
833    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
834    o regenerated output for global_ocean_ebm (using -ieee)
835    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
836      of mom_common/
837      - simple re-arrangement of instructions within computing loop
838    checkpoint53d_pre
839    
840    checkpoint53c_post
841    o new version of coupler for AIM+thSIce and Ocean models
842     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
843     - land: change Evaporation of snow
844     - aim with thSIce: fix bug in snow-precip.
845    o changes to calc_gw.F
846     - bug fix for w^2 term near the bottom boundary
847     - (hopefully) improve the lateral slip boundary condtions for use with
848        partial/looped cells
849      - because the bug fix changes two verification experiments anyway (exp5
850        and plume on slope), change the lateral boundary condition from half slip
851        to the value of no_slip_sides
852    o ebm package wasnt quite up to the parallel task. Fixed that.
853    o Adjoint of EBM package + verification
854      * TLM OK
855      * ADM not sufficient accuracy yet (needs further testing)
856    
857    checkpoint53b_post
858    o Commiting new energy balance model to repository
859      * package is pkg/ebm
860      * verif. is verification/global_ocean_ebm
861      * references are in ebm_driver.F
862    C      * X. Wang, P. Stone and J. Marotzke, 1999:
863    C        Global thermohaline circulation. Part I:
864    C        Sensitivity to atmospheric moisture transport.
865    C        J. Climate 12(1), 71-82
866    C      * X. Wang, P. Stone and J. Marotzke, 1999:
867    C        Global thermohaline circulation. Part II:
868    C        Sensitivity with interactive transport.
869    C        J. Climate 12(1), 83-91
870    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
871    C        Destabilization of the thermohaline circulation
872    C        by atmospheric eddy transports.
873    C        J. Climate 7(12), 1870-1882
874    o Will need long integration testing.
875    checkpoint53b_pre
876    
877    o created pkg/mom_common in preparation for variable viscosity code
878    o renamed and split ini_mnc_io
879    o pkg/land: only liquid water can diffuse or run-off
880    o AIM using land: soil wetness availability account for snow
881    o added printMapIncludesZeros to EEPARMS namelist
882    
883    checkpoint53a_post
884    o restore TAMC compatiility for exf_constants.h
885      (no usage of _d in .h)
886    o Additional storing in KPP in an attempt to fix
887      TAMC problem with adjoint of KPP code.
888      (no success...)
889      Identical code works fine with TAF.
890    o Fixed verification/natl_box_adjoint experiments.
891      Initial conditions for Experiments 4 and 5 are now
892      set to "SEAICE_initialHEFF=0", which is more reasonable,
893      and hence gives results closer to that of Experiment 2.
894      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
895    
896    checkpoint53
897    o stable checkpoint with up to date adjoint
898      TLM tests only run for 1st grdchk at the moment. Its unclear if
899      this is a code problem or a problem with resetting code for g_
900      variables that is being autogenerated wrong.
901      Otherwise:
902       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
903       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
904         are both still in chaos following their security messes.
905    
906    checkpoint52n_post
907    o various build (mostly genmake2) changes including:
908      - ability to build/run more easily within Cygwin and MacOS X
909      - more complicated Makefiles with a stronger dependence on Gnu Make
910    o pkg/seaice modifications
911      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
912        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
913        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
914      - changed proxy for geostrophic velocity and updated
915        verification/lab_sea/results/* accordingly
916      - removed ADI dynamic solver from pkg/seaice
917      - replaced all occurrences of 1/CSTICE or 1/CSUICE
918        they caused a segmentation fault under certain circumstances
919      - removed unused field WATR
920    o bug fix in exf-package:
921      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
922         now reflect that.
923    o small fixes in the cal-package:
924      - set reference date to first of January for the 'model'-calendar
925      - failing of cal_CheckDate in cal_FullDate now actually results in a
926        warning
927    o small modifications in exf-package to increase flexibility:
928      - change climtempfreeze from a constant to a runtime parameter that
929        is specified in data.exf_clim (default = -1.9)
930      - introduce runtime parameter windstressmax (default = 2.0) that is
931        specified in data.exf
932    o fix in pkg/thsice:
933      - update Evap (Tsf changes) to be consistent with Latent heat flux
934      - maintain snow precipitation unchanged (even if Tsf >=0).
935     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
936    
937    checkpoint52m_post
938    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
939      this does not change any of the results, because myIter=0 in swfrac always
940      lead to jwtype=2 (the default anyway), but the call makes little sense
941      as a default
942    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
943    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
944      atmospheric model (AIM) to use it ; add a "slab ocean" component.
945    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
946    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
947    o extending useSingleCpuIO option to work with new exch2 I/O format
948      - old-style, missing-tile I/O is still accessible by defining CPP
949        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
950    o monitor package can write to NetCDF files and/or STDOUT
951    o fix re-definition bug in MNC_GRID_INIT_ALL()
952    o doc/api_reference added
953      - a framework for building an API Reference Manual using all
954        the "protex" comments embedded in the code
955      - see pkg/generic_advdiff, pkg/mnc for examples
956    o MNC:
957      - make myThid the last argument for all subroutines
958      - new default for the grid files: NO halos
959      - add useMNC and other run-time flags
960      - separate per-file-group handling of the unlimited dimension
961      - early initialization of MNC w/ flags read at the eeboot stage
962        and lookup tables set in initialize_fixed
963      - write all MNC output to a freshly-created directory
964    o thermodynamics sea-ice (thsice) is now tested with testreport.
965    o test exp. advect_cs: use the standard cs32 grid ; update output.
966    o Added functionality to grdchk:
967      pick global i,j,k position (or nearest wet) where to perform check.
968    
969    checkpoint52l_post
970    o new land formulation:
971      a) use ground enthalpy as prognostic variable to ensure exact
972         energy conservation.
973      b) account for water temperature and for latent heat of freezing
974         in all processes (rain, run-off, ground storage)
975      c) compute surface and ground temperature implicitly.
976    o aim_v23 modification for new land model:
977      a) Treat separately land / ocean / sea-ice surface fluxes
978         to allow implicit computation of land & sea-ice surface temp.
979      b) add snow precipitation.
980    checkpoint52l_pre
981    
982    o fix problem (when 1 tile is empty) in min/max monitor.
983    o fix bug in timeAve (u,vZetatave in common block)
984    o no restoring terms under ice for pkg/seaice
985    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
986    o bug fix for pkg/seaice pickups
987    o change MNC call locations and add coordinate attributes
988    o mask vorticity at the corner ; affects global_ocean.cs output
989    o fix ini_curvilinear_grid ; test CS experiments with mpi
990    o aim.5l_cs: modify sea-ice fraction input file ; update output
991    o exf: Adding simple range check routine for exf fields after read
992    
993    checkpoint52k_post
994    o removed top-level directory "diags"
995      - we migrated these functions to pkg/timeave a long time ago
996    o fixed bug introduced in pkg/monitor
997    o accuracy ctrlprec = 32 insuffient for gradient checks using
998      averaged fields (I/O via cost_averages)
999      -> use ctrl.h in active_file*.F to control I/O precision.
1000    o paramter list of CALL ADTHE_MAIN_LOOP
1001    o added initial do_the_model_io to ecco
1002    o set all ...Freq to zero after cost_final
1003      taveFreq, dumpFreq, pChkptFreq
1004    o MAIN and ECCO differentiability restored
1005    
1006    checkpoint52j_post
1007    o fix nchklev in tamc.h for global_ocean...
1008    o Bringing flow and store directives up-to-date
1009    o Really weird thing!
1010      call do_the_model_io from the_main_loop with parameters
1011      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1012      TAF places a faulty re-call of initialise_varia
1013      after cost_final call which should not be there!
1014    checkpoint52j_pre
1015    
1016    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1017      error messages
1018    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1019    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1020      debug output
1021    o modfied mdsio_writefield.F to handle non-global files under exch2
1022    o update AIM Cubed-Sphere exp (aim.5l_cs):
1023      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1024    o update AIM Equatorial Channel exp:
1025      use standard aim_v23 pkg and change the SST fields to be more realistic.
1026    o globalFile now works with exch2
1027    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1028      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1029    o limit timeave output for hi-res integrations
1030    
1031    checkpoint52i_post
1032    o removed CPP_EEOPTIONS.h from verification/*/code
1033    o updated the tiling for global_ocean_pressure
1034    checkpoint52i_pre
1035    
1036    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1037      the old pkg/aim).
1038    
1039    checkpoint52h_pre
1040    o shortened offending lines in exch2_send_rx?.template
1041    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1042    o genmake2: add build & execute test for NetCDF code
1043    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1044      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1045    o added useSingleCPUIO flag to monitor.F and mon_out.F
1046    o added temporary hack for sea-ice dynamics on the cube:
1047      metric terms are ignored and it is assumed that
1048      there is no sea-ice on cube faces 1, 2, 4, and 5.
1049    
1050    checkpoint52f_post
1051    o added exch2 cube routines to pkg/exch2
1052    o modified hs94.cs-32x32x5 to use it
1053    o added new grid files to hs94.cs-32x32x5
1054    checkpoint52f_pre
1055    
1056    checkpoint52e_post
1057    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1058      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1059    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1060      to work with implicit vertical advection and AB ;
1061    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1062    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1063     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1064    checkpoint52e_pre
1065    
1066    o fix bug in impldiff when Nr=1 or Nr=2.
1067    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1068    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1069    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1070      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1071    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1072    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1073    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1074    
1075    checkpoint52d_post
1076    o re-tiled many expts to allow comparison in multi-processor mode
1077      - updated output accordingly
1078      - changed hs94.128x64x5 to use intial T from file rather than use the
1079        random number generator
1080    o add infrastructure in model routines for fizhi and gridalt packages
1081    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1082    o changes to permit hi-res, cubed-sphere, configuration
1083      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1084      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1085      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1086        of surface winds for the cube
1087      (A verification experiment, based on global_ocean.cs32x15, but with
1088       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1089       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1090       complete with example surface forcing files and matlab scripts to look
1091       at the output and compare it with that of global_ocean.cs32x15.)
1092    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1093       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1094       to conform to the common rule.
1095    o check-in the first version of the coupler + interfaces for multi-components
1096       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1097       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1098       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1099       - ocean and atmos. share the same horizontal grid (no interpolation).
1100       - exchanges between component and coupler is done in forward_step
1101    o new verification experiment, cpl_aim+ocn:
1102       coupled ocean - AIM atmosphere on cs32 grid.
1103    
1104    checkpoint52d_pre
1105    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1106    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1107    
1108    checkpoint52c_post
1109    o Fixing OPTIONS files for use of exf:
1110      - ALLOW_ECCO not needed
1111      - ECCO_CPPOPTIONS.h should not be included from
1112        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1113        as has been the case in the past
1114      - All cal/exf related options are currently set in
1115        single header file. Should remain so until we
1116        agree on a consistent new policy.
1117    o Removed all CPP options for cal package.
1118      cal has no more CPP options.
1119    o modified STOREs in GAD_ADVECTION
1120    o corrected key comp. for passkey
1121    
1122    checkpoint52b_post
1123    o new version: "thsice" of thermodynamic sea-ice pkg:
1124     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1125     - modify fluxes but do not change theta directly;
1126     - light cleaning of bulk_force pkg (still needed with thsice).
1127     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1128       + output_thsice.txt to test thsice & bulk_force pkgs.
1129    o put back grid & coriolis monitor output.
1130    checkpoint52b_pre
1131    
1132    o call "do_the_model_io" at the beginning (=> dump initial state)
1133    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1134    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1135      (need info on NUMBER_OF_PTRACERS)
1136    o missing PTRACERS headers in some routines
1137    o default tamc.h in pkg/autodiff supposed to crash
1138      to ensure proper customization
1139    
1140    checkpoint52a_post
1141    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1142      - moved surfaceTendencyTice from pkg/seaice to main code
1143      - subroutine FREEZE_SURFACE now limits only surface temperature
1144        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1145        => new output.txt for global_ocean.cs32x15 & global_with_exf
1146      - keep the old version of FREEZE for backward compatibility;
1147        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1148      - corresponding modifs for TAF directives
1149    o added surface flux output variables to TIMEAVE_STATVARS
1150    o time-averaged output for pkg/ptracers
1151    o fix problem with ECCO-related divided adjoint
1152      snapshot file was missing some ad-variables,
1153      but no warning issued by TAF
1154    
1155    checkpoint52a_pre
1156    o some bug fixes for #undef REAL4_IS_SLOW
1157    
1158    checkpoint52 = ecco_c52_e35
1159    o after testing adjoints of checkpoint51u_post
1160    
1161    checkpoint51u_post
1162    o this is the post-merge tag of the ecco-branch
1163      (needs another clean checkout and re-testing)
1164    o various natl_box_adjoint configs and results
1165      but no input fields
1166    o obcs adjoint not yet merged!
1167    o adding ECCO global 1x1 and 2x2 degree configs
1168    o updated/extended some store directives for seaice
1169    o pkg/ecco now containes ecco-specific part of cost function
1170    o top level routines the_main_loop, forward_step
1171      supersede those in model/src/
1172      previous input data.cost now in data.ecco
1173      (new namelist ecco_cost_nml)
1174    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1175    
1176    checkpoint51t_post
1177    o this is the pre-merge tag of the ecco-branch
1178    
1179    checkpoint51s_post
1180    o cleanup: removed various obsolete #define-s
1181    o pkg/grdchk
1182      - renamed 'ph-grd 3' to 'grad-res'
1183      - merged from ecco-branch
1184        (remaining bug fixes for obcs gradient checks)
1185      - additional high-precision output for testreport
1186        (grep for 'precision_grdchk_result')
1187    
1188    checkpoint51r_post
1189    o cleaned up or removed CPP_OPTIONS.h files
1190    o updated results for some of the tests to reflect the new
1191      optfiles (-ieee: -O0 instead of -O3)
1192    
1193    checkpoint51q_post
1194    o cd_code:
1195      - moved cd_scheme.F -> cd_code_scheme.F
1196      - separate read_checkpoint from cd_code_ini_vars.F
1197      - separated cd_code part from write_checkpoint
1198      - updated AD_SOURCE, generated .flow
1199      - added CD_CODE_VARS.h to the_main_loop
1200      - Moving cd_code specific store dir.s to pkg/cd_code
1201    o ctrl package totally restructured
1202      - pack/unpack now optional and decoupled from
1203        xx_/adxx_ I/O
1204      - ctrl_pack/unpack cleaned
1205        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1206      - confined inclusion of AD_CONFIG.h to where necessary.
1207    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1208    
1209    checkpoint51p_post
1210    o create initial cd_code package
1211      - WARNING: the initialization of fields within packages
1212        is broken because INI_FIELDS (where READ_CHECKPOINT is
1213        called) is called *before* PACKAGES_INIT_VARIABLES.
1214        This seems to be backwards since
1215        1) its important to initially zero the entire field including
1216           the "halo" region
1217        2) zeroing needs to be done *before* reading pickup info
1218           and the pickup call might or might not happen in any
1219           particular run
1220      - this needs an overhaul for R2
1221    o cleanup verification/*/code/GMREDI_OPTIONS.h
1222    o cleanup testreport
1223    
1224    checkpoint51o_post
1225    o bringing AD-related verif's up to date with genmake2
1226      - carbon/
1227      - global_ocean.90x40x15/
1228      - hs.94.1x64x5/
1229      - (front_relax/ )
1230    o (more) consistent directory structure for AD-related verif.'s
1231    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1232    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1233    o bug fix in find_alpha.F for MDJWF:
1234      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1235        change rho -> rho-rhoConst
1236      - replace call find_rho to find_rhonum
1237    o initialisation of rFlx extended to full array (required by TAF)
1238      and shifted to thermodynamics
1239    o removed PTRACERS.h in ptracers routine
1240    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1241    o Correcting initialisations for fVerU, fVerV.
1242    o helping TAF to recognize dependency on kUp for
1243      fVerU, fVerV
1244    o Replacing delZ by delR in pkg/ctrl/
1245    checkpoint51o_pre
1246    
1247    o undid all of cp51 pending some cleanups and discussion
1248    o added the [#include "AD_CONFIG.h"] statement to all files that need
1249       it for adjoint/tl #defines
1250     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1251     o removed tools/genmake since it no longer works
1252    
1253    checkpoint51n_post
1254    o modifications to make FREEZE flux visible to pkg/kpp
1255      - moved surfaceTendencyTice from pkg/seaice to main code
1256      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1257      - subroutine FREEZE now limits only surface temperature
1258        (this means new output.txt for global_ocean.90x40x15,
1259         global_ocean.cs32x15, and global_with_exf)
1260    o added surface flux output variables to TIMEAVE_STATVARS
1261    
1262    checkpoint51n_pre
1263  o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F  o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1264  o added [#include "AD_CONFIG.h"] to all files that use the following  o added [#include "AD_CONFIG.h"] to all files that use the following
1265    defines:    defines:

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