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revision 1.207 by dimitri, Thu Nov 13 06:35:13 2003 UTC revision 1.581 by heimbach, Thu Nov 24 00:07:29 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 modifications to make FREEZE flux visible to pkg/kpp  o Non-Hydrostatic:
8     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
9     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
10    o Allow to apply AB on T,S rather than on AB(gT,gS):
11     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
12     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
13       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
14     - need a "clever" read_pickup to restart from the other AB formulation
15    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
16    o remove some unused variables (reduces number of compiler warnings)
17    o adjoint
18      * Disable useVariableViscosity for adjoint for time being
19        (there are a number of extensive recomputations)
20      * Initialize certain variables needed for adjoint
21    
22    checkpoint57w_post
23    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
24                 fix the singleCpuIO RS version of MDSWRITEFIELD
25       and add a WARNING if using globalFiles=T with multi-processors.
26    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
27      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
28    o tracer advection scheme:
29      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
30       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
31       was not very convenient).
32      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
33       (further tests needed for the implicit DST & Flux-Limiter schemes).
34    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
35      and sRef for convenience, handy, when you want to initialize
36      ptracers in a large domain with a constant non-zero value. Also,
37      untangle ptracers_init.F a little.
38    
39    checkpoint57v_post
40    o change dome exp. to use variable viscosity in side-drag terms.
41    o remove all the files from the cfc_offline test since they are now
42      incorporated into tutorial_cfc_offline which has been producing
43      identical results for a few days of testing
44    o add new parameter: sideDragFactor to enable half-slip-side BC
45      and change side-drag S/R to use viscosity from mom_calc_visc
46      (can switch back by setting sideDragFactor=0.); affects results at
47      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
48       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
49    o vorticity & strain are now computed without masking, to account for
50      no-slip-side BC in variable viscosity calculation ; mask is applied
51      anyway later on, before computing advection/coriolis terms.
52    o modify exp4 to test new obcs support for reading from external files
53      and for passive tracers
54    o fix behavior of ptracers_monitor when monitor output is written to a
55      netcdf-file; still not independent of monitor.F (writes in the same
56      file).
57    o change default value of tRef (put a uniform, meaningful value for ocean
58      & atmos) and initialize sRef (was missing, as Martin mentioned).
59    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
60      to be proportional to enstrophy dissipation length.  Thus,
61       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
62      This is now consistent with Smagorinsky and with the manual.
63    
64    checkpoint57u_post
65    o OBCS and PTRACERS: add open boundary support for passive tracers
66      - either use homogenous (pseudo) v.Neumann conditions or prescribe
67        OB-values from file; this is not different from the way theta and salinity
68        are treated
69      - however, Orlanski-radiation conditions are not supported, and the model
70        will stop if you use pTracers and Orlanski at the same time.
71      - beefed up the rountine obcs_external_fields_load: now only those open
72        boundary values are overwritten with values from files for which there
73        are really files, otherwise the OB-fields remain untouched. This makes
74        it possible to use different OBs at different ends of the domain (as
75        with EXF)
76    o reduce number of exch calls in shap_filt (s2).
77    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
78      truncation level) 4/5 MLAdjust test results (11&12 digits match).
79    
80    checkpoint57t_post
81    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
82    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
83      same truncation, independent of the face number: affects affects several
84      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
85    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
86      note that biharmonic viscosity + no-slip was not tested in any experiment.
87    o fix bug in non-linear free-surf side-drag ; generate new output for
88      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
89    o make mnc honor the writeBinaryPrec flag for most kinds of output
90    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
91    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
92      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
93    o add brackets in multi-terms sum to get same truncation, independent of
94      the face number (manage to get exactly same value of gU,gV at the cs-edge)
95      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
96    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
97      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
98      a maximum grid-scale Reynolds number.  Also, changes all length calculations
99      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
100      Suggested values of viscosity parameters found in mom_calc_visc.
101      Many new viscosity diagnostics available.
102    
103    checkpoint57s_post
104    o Add clearing-house for viscosity calculations, mom_calc_visc and
105      correct numerous bugs in LeithD and Smagorinsky discretizations.  
106      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
107      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
108      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
109      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
110      The Strain-Tension form is now called with useStrainTensonVisc=.true.
111      ViscAhStrain and viscAhTension are now retired.
112    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
113    o In response to JMC's bug report, genmake2 now ignores any soft-links
114      that it finds in the *current* directory when searching for files.
115      Soft-links found in any other source directories will still work as
116      they did before.
117    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
118      a C routine to unlimit the stack size
119    o mnc-ify pkg/aim snapshot vars
120    o mnc-ify pkg/land as requested by Daniel
121    o various changes to mnc including:
122      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
123      - output can now be grouped so that all files within a group
124          change the ITER portion of their names in lock-step together
125      - can now read ("global") PER-FACE (in addition to PER-TILE) files
126          and works with both EXCH1 and EXCH2 (but needs more testing)
127      - writing works for all verification test cases w/ g77 on Linux
128    
129    checkpoint57r_post
130    o make MNC variable initialization happen earlier
131    o add diagnostics for (almost) each term of the momentum Eq.
132    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
133    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
134    o remove MINIMAL_TAVE_OUTPUT option ;
135      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
136    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
137      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
138    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
139    o add time-dependent SST, SSS control
140    o cost terms in ecco/ modularized (new cost_generic.F)
141    o cost_averages routines are modularized (new cost_averagesgeneric.F)
142    o new infrastructure for seaice model vs. obs misfits in seaice/
143      * driver from the_main_loop.F is seaice_cost_driver.F
144      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
145      * gradient check in Exp. 6a of natl_box_adjoint/
146    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
147      (see README file)
148    
149    checkpoint57q_post
150    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
151    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
152      - bug was reported by Jean-Michel and Ian Fenty
153    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
154      update exp. cpl_aim+ocn output.
155    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
156      Needed for high-res. runs with large global files
157      to be able to limit tapelev size
158    o Changed some tests for adjoint:
159      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
160      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
161      * global_ocean.90x40x15/ back to default 3-level checkpointing
162    o Modifications to enable scripted COMMON to MODULE conversion
163      * verification/OpenAD/code/ has necessary scripts and description;
164      * converts, compiles and runs successfully;
165    
166    checkpoint57p_post
167    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
168    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
169      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
170    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
171    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
172      (was already the case for dissipation with mom_vecinv,
173       and also the case for grad.PhiHyd when staggered-timeStep)
174      This will allow to put dissipation out-off the AB time-stepping.
175     Unfortunately, affects truncation error. Update output of exp. that "fails"
176      (cg2d matching number) and leave the others for later: front_relax(10),
177      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
178      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
179    
180    checkpoint57o_post
181    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
182      (2) its ready to be documented during the 20050801 DocFest
183    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
184      for ideal_2D_oce and lab_sea on linux_ia32_g77
185    o set to #undef CTRL_SET_OLD_MAXCVARS_30
186      in global1x1_tot/code_seaice_adj to access indices 32, 33
187      (worth another tag)
188    
189    checkpoint57n_post
190    o adding precip control xx_precip 32
191    o adding swflux control xx_swflux 33
192    o Replacing 10 forcing penalty cost routines by 1 generic.
193    o Implementing partitioning in time-mean and variable adjustment
194      for atmos. state.
195    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
196    o in natl_box_adjoint:
197      * updated exp 1 to 10
198        (but does not have time-mean vs. variable split results yet)
199    o updated global1x1/*_seaice_adj/
200      to incorporate latest changes
201    o enable useSingleCpuIO for mdsio vector routines
202      (applies in particular to tapelev I/O)
203    o removed inefficient K-loop in all active_file*control*.F
204    
205    checkpoint57m_post
206    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
207      and advect_cs (use EXCH-2 and standard cs-32 grid files).
208    o pkg/exch2: filling of face-corner halo regions is optional
209      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
210    
211    checkpoint57l_post
212     tag before updating tutorials (pre-release-2)
213    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
214       for output and interpolation of input fields onto model grid)
215    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
216       Affects results of exp. rotating_tank ; update output.txt.
217    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
218          and taking the square quantity and/or using a fraction-weight field.
219    o fix aim_diagnostics_init.F mate numbers.
220    o add mnc output capability to diagnostics/diagstat and update
221      our cvsignore files for the ACSII output generated
222    
223    checkpoint57k_post
224    o lab_sea now uses diagnostics package and provides a suite of
225      new EXF diagnostics output.
226    
227    checkpoint57j_post
228    o exf
229      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
230        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
231        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
232      * extended diagnostics output
233        - now includes all EXF variables
234        - hs, hl moved to common block
235        - separate S/R for diagnostics, called after ctrl vector is added
236        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
237        - EXFqnet contains true Qnet (i.e. includes qsw)
238      * updated verif. lab_sea, global_with_exf
239      * Rearranging hflux (exf_mapfields -> exf_getforcing)
240        to ensure that diagnostics sees a true EXFqnet
241    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
242    o diagnostics pkg: change pointers so that 1 diagnostic can be used
243      several times with different frequencies.
244    o mnc-ify the thsice package as requested by Daniel Enderton
245      - the monitor--MNC output needs work
246      - many attributes need to be added (most are currently blank)
247    o mnc-ify theaim_v23 package as requested by Daniel Enderton
248      - many attributes need to be added (most are currently blank)
249    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
250    o add Sadourny like discretization to the 4th.O vorticity advection scheme
251    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
252      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
253         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
254    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
255     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
256    
257    checkpoint57i_post
258    o Diagnostics package was changed: diagnostic allocation is now deactivated
259      by setting an empty file name in the namelist (used to be by setting 0 frequency)
260    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
261      add 1rst Order upwind vertical Shear.
262    o add a quick fix for A/B checkpointing in OFFLINE mode
263    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
264      end-run around the C/Fortran linking horror in eesup/src/timers.F
265    o added pkg/runclock: allows user to terminate run based on wall clock
266    o added non-hydrostatic scaling parameter: nh_am2
267    o pkg/my82: futile attempt to make results compiler-independent by adding
268      some "_d 0", etc. no effect.
269    o for mnc output, fill the 'T' coordinate var with myTime and create a
270      separate 'iter' variable for iteration count
271    o pkg/diagnostics:
272      add new capability: output of Global/Regional & per-level statistics ;
273      tested against monitor output (including land & thSIce) on various exp.
274    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
275    
276    checkpoint57h_done
277      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
278      data.diagnostics, data.gchem, data.ptracers) is done.
279    
280    o pkg/diagnostics: prepare for Global/Regional statistics.
281      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
282    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
283      and rename it: DIFFERENT_MULTIPLE
284    
285    checkpoint57h_post
286    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
287    o pkg/diagnostics: change output frequency, now in seconds (instead
288      of Nb of iterations). This requires to change data.diagnostics.
289    checkpoint57h_pre
290    
291    o in mnc, let the user create the output dir if both mnc_outdir_date
292      and mnc_outdir_num are false
293    o add fflags() to pkg/diagnostics which allows one to specify, on a
294      per-file basis, the file precision [default behavior is unchanged]
295    o added diagnostics to pkg/kpp, including computation of mixed layer
296      depth based on a temperature/density criterion
297    o updated verification/natl_box to test the new pkg/kpp diagnostics
298    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
299    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
300    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
301      not mnc -- this mistake was found by JMC and is now corrected
302    
303    checkpoint57g_post
304    o add Adams-Bashforth 3rd Order time stepping:
305      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
306      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
307    checkpoint57g_pre
308    
309    o make lambda[Theta,Salt]ClimRelax spatially varying
310      (default remains spatially uniform constant based on tau)
311    o added new control variables
312      * init. uVel, vVel, etanN
313      * lambda[Theta,Salt]ClimRelax
314    o separate masks used for ctrl_pack/unpack 'from write_grid' output
315      (suggested by G. Forget)
316    
317    checkpoint57f_post
318    o add parameter "baseTime" = model base time = time at iteration zero
319      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
320      account for baseTime shift
321    o move Coriolis arrays from PARAMS.h to GRID.h
322    checkpoint57f_pre
323    
324    o mnc-ifying the seaice package
325    o introduced an alternative length scale calculation for use in the limiting
326      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
327    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
328    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
329      as well as grad(vort3).  Made it compatible with both approximate form
330      for the cubed sphere and full form of these gradients.  Added flag
331      useFullLeith to select between approximate and full form.  
332    o add "d0" in getcon.F to reduce differences between compilers/platforms
333      update output.txt of exp. fizhi-gridalt-hs
334    o change port_rand funtion to allow to set the seed.
335    o fix obscure MNC bug involving conversion between reals and integers
336      - it caused no problems with certain (eg. gcc, ifc) compilers but the
337        new version is now more standards-compliant
338    o adjoint-related modifications
339      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
340      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
341      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
342    
343    checkpoint57e_post
344    o Adding eddy stress controls a la Ferreira et al.
345    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
346    
347    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
348      update output.txt of exp. fizhi-gridalt-hs
349    o add more "Z" dimensions and associated coordinate vars to MNC
350    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
351    o parameter calendarDumps: when set, approximate months (30-31 days) and years
352      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
353      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
354      months and years.  Requires pkg/cal.
355    o diagnostics: add pickup functionality
356      - off by default for backwards compatibility
357      - current version only uses MDSIO -- MNC will be added
358    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
359    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
360    
361    checkpoint57d_post
362    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
363    o modify verification/ideal_2D_oce so that it tests the creation of mnc
364      output from the diagnostics package
365    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
366    o make genmake2 more portable by using ".$FS" instead of ".f" for more
367      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
368    o add coordinate variables to the MNC output from the diagnostics package
369    o change MNC-flags default value: true when useMNC=TRUE
370    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
371      the ability (off by default) to read the grid information using MNC
372    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
373    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
374    o do snap-shot diagnostics at the middle of the time-interval (instead of
375      at the end).
376    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
377      new test for AIM with thSIce + slab-ocean
378    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
379    o move state variable diagnostics to the beginning of the time step ;
380      (note: still needs some work specially for snap-shot diagnostics)
381      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
382    
383    checkpoint57c_post
384    o Change testing option (-ieee) to get closer agreement between g77 & ifort
385    o generate new output.txt files on faulks with g77 & the new -ieee option
386    checkpoint57c_pre
387    
388    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
389      update output.txt of exp. global_ocean.90x40x15
390    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
391      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
392    o add saltFlux(+File) forcing capability with periodicExternalForcing
393    o allow to use pkg diagnostics for GM-Redi & ThSIce output
394    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
395    o improvements for the MNC output from DIAGNOSTICS:
396      - correct handling of the unlimitied dimension
397      - all dims now have associated coordinate variables
398      - variables located at U, V, and Corner ("Z") points are now written
399        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
400        *all* data points are output
401    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
402    o added pkg/seaice/seaice_monitor.F
403    o mdsio_readfield.F can now read files visible only to master MPI process.
404    o pkg/seaice: some test code for ice-modified ocean stress
405    o exf_getffields interpolation defaults to bilinear for all scalar forcing
406      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
407      spurious negative numbers for precipitation and humidity.  Will cause
408      some small numerical differences for integrations using pkg/exf/exf_interp.F.
409    o pkg/ctrl/
410      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
411        May be enabled via doPackDiag
412      *  introduce z-scaling of
413         + gradient (doZscalePack) and
414         + control (doZscaleUnpack)
415    o pkg/mdsio/
416      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
417      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
418    
419    checkpoint57b_post
420    o simplify options in diagnostics_fill arguments (remove weird combinations)
421    o fix MNC coordinate variables so that they now contain per-face index
422      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
423      general, EXCH2 grids are only aligned to a "local" coordinate system
424    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
425    o Implement instantaneous output within pkg diagnostics:
426      setting a negative frequency in data.diagnostics produces
427     "snap-shot" output (as opposed to time-average if freq > 0)
428    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
429      NOTE: change ptracer diagnostics name: use 2 characters to work with
430            more than 9 tracers. Add also diagnostics of advect & diffus flux.
431    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
432      becomes the coordinate variable for the 'T' dimension
433    o add CF-style coordinate variables to MNC
434      - just a first cut:  numbers are meaningless on the cubesphere and
435        missing along the T axis but otherwise it works!
436    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
437    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
438    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
439      this is based directly on what the model compute, so that the content of
440      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
441    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
442    o clean up build options files for SunOS, in particular
443      - remove -traditional from xmakedepend
444      - change -xarch=v9 to -xarch=native for f77
445      - restore use of make (not gmake)
446      - add CC=gcc if using g77
447    o changes per discussion of AM, JMC, & EH3 today:
448      - move redundant "grid" variables out of "state" -- in preparation of
449        creating proper CF-style coordinate variables and in recognition
450        that any/all grid variables can be easily copied (eg. w/NCO) from
451        the grid files into any of the other NetCDF files
452      - *always* output grid variables with MDSIO (this will eventually be
453        changed)
454      - output MNC grid file if useMNC is true
455    o every instance of _END_MASTER() has been found and replaced with
456      _END_MASTER( myThid ) in order to satisfy certain picky Sun
457      preprocessors
458    o re-arrange diagnostics pkg initialisation:
459     - allow each package to extend the available diagnostics list
460     - add some checking and fix small problems (multi-threaded, ...)
461     - new S/R diagnostics_fill (replace fill_diagnostics):
462       look through the short list of active diag. (instead of the long list)
463       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
464    
465    checkpoint57a_post
466    o this set of changes restores TAMC compatibility
467      tested for global_ocean.90x40x15 adjoint on trough
468      (what a pain)
469    
470    checkpoint57a_pre
471    o some modifs in tools/build_options for sunos
472    o call ctrl_pack for ctrl at end for optimcycle=0
473    
474    checkpoint57
475    o add horizontal bi-harmonic viscosity for vertical velocity
476      - new parameter viscA4W (defaults to viscA4)
477      - affects only non-hydrostatic code
478      - to be done: no-slip lateral boundary conditions
479    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
480    o implement Implicit Vertical advection for pTracers
481    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
482      (implemented also for implicit vertical diffusion & advection)
483    o OBCS: extend application of tracer open boundary conditions
484      to a strip beyond the boundary of width Olx/Oly
485    o add call monitor to TAF set of required calls (flow directives)
486      and include in natl_box_adjoint
487    o untangle a few ifdefs related to cost, ctrl, autodiff
488      untangel a few ALLOW_ECCO_OPTIMIZATION
489    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
490      (theta2, salt2 in ecco_cost_weights)
491    
492    checkpoint56c_post
493    o OBCS as control variables
494      - update ctrl_ad_diff.list, obcs_ad_diff.list
495      - remove balance of obcs controls from default
496      - fix index bug nobcs in ctrl_init
497      - fix dummy fields filen in ctrl_pack
498      - add dummy weights for obcs
499    o lsopt: comment out fort.94 output
500    o optim:
501      - remove unnecessary header files
502      - adjusted namelists
503      - add xerbla.F to Makefile
504    o exf:
505      - multiple modifications of exf_check_range
506      - unit change in exf_init_runoff from [m/year] to [m/s]
507    o mdsio:
508      - i/o-vector change debugLevel from debLevA to debLevB
509    
510    checkpoint56b_post
511    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
512      is called from DO_THE_MODEL_IO
513      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
514      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
515      - clean up PTRACERS_WRITE_TIMEAVE a little
516    o add another verification experiment that tests both the cfc-pkg and
517      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
518      reactive tendencies treated inline with regular timestepping
519    o testreport previously did a lousy job of comparing small numbers, so
520      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
521      implemented in the little c-progam tmp_cmpnum.c which is embedded in
522      testreport.
523    o ptracers_monitor: bug fix for MPI
524    
525    checkpoint56a_post
526    o GCHEM: finish reorganizating the package
527      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
528        (introduces another 3D-array for each passive tracer, but only if
529        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
530        gchemTendency is not needed because the timestep is done separately)
531      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
532      - GCHEM is now---more or less cleanly---separate from PTRACERS
533      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
534        so clear to me how that should be done in a general way.
535    o CFC: improve formatting of output in CFC_ATMOS
536    o PTRACERS:
537      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
538        that ALL experiments with ptracers enable can be checked. This makes
539        GCHEM_MONITOR obsolete.
540      - include a runtime parameter PTRACERS_monitorFreq that defaults to
541        monitorFreq
542      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
543    o add PTRACERS (PTR0[1-5]) to testreport output
544    o exf_check_range:
545      * default changed to .TRUE.
546      * will check values for niter0 if debLevA, every timestep if debLevB
547      * STOP in exf_check_range if 'out of range'
548      * range chosen generous to allow for potential extema
549      TBD: a version with stricter range
550           permitted range would be runtime parameters
551    o GMredi:
552      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
553      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
554      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
555    o GCHEM:
556      - move call to GCHEM_FORCING_SEP, so that it is now called before
557        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
558      - introduced a useGCHEM runtime flag and applied it everywhere.
559      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
560        this flag is now only visible within GCHEM-pkg routines.
561      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
562        be replaced by a 3D array that is computed before thermodynamics; for
563        this, the tracer ID iTracer had to be included into the parameter list
564        of ptracers_forcing
565      - set up forward_step to call gchem_forcing, that will replace
566        gchem_forcing_int in ptracers_forcing
567      - cleaning up
568    o small cleaning of exch2: remove files that are also in eesupp/src
569    
570    checkpoint56
571    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
572    o mnc: cleanup "full" files--fixes out-of-memory problem
573    o ECCO-GODAE
574      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
575      * fully merged and updated from SIO code
576        windstress sign change affects
577        - exf_inscal_[u/v]stress
578        - sign of xx_tau[u/v] adjustments
579        - signs in cost_scat
580      * ctrl_get_gen: avoid update of tau[u/v] for first few days
581      * natl_box_adjoint updated and compressed
582      * 2-level checkpoint switch added
583        (tested in EXP. 1 of natl_box_adjoint)
584      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
585    o SVD
586      * first complete, non-hacked version for SVD calculations
587      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
588        performed via direct access files admtlm_vector.it????
589        (via ctrl_[un]pack)
590      * optimcycle is used for ARPACK iteration counter
591        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
592      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
593        and add linear transforms where necessary
594      * controls are initial/final SST, SSS (can be extended; need to check
595        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
596    o mdsio: filename info to both stderr, stdout
597    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
598      from sign change
599    
600    checkpoint55j_post
601    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
602      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
603    o add consistent build directories and .cvsignore files to verification
604    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
605    o make all subroutines 30 or less characters in length for certain older
606      compilers to work (a thorough search only turns up two routines in
607      pkg/ptracers)
608    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
609      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
610    
611    checkpoint55i_post
612    o change arrays for total vertical diffusivity (2.D if explicit,
613      3.D if implicit) ; each ptracer uses its own background value.
614    o added mnc/NetCDF output capability to ocn_compon_interf
615      - added bits to verification/cpl_aim+ocn so that it can run on
616        ITRDA and other clusters without the mpirun "-wd" option
617    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
618      configuration
619    o give MNC the ability to create additional files rather than
620      exceeding a specified file size limit "MNC_MAX_FILESIZE"
621      - the default is just less than 2GB which is a practical limit
622        on many systems
623    o Compute the non-local term using either KPP vertical diffusivity (=default)
624       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
625    
626    checkpoint55h_post
627    o add verification test "vermix"
628    o remove all the *_ioinc flags and replace with the single global
629      outputTypesInclusive flag
630    o allow to set a vertical profile of vertical diffusivity for T & S
631    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
632    o useMNC moved from data.mnc to data.pkg
633    
634    checkpoint55g_post
635    o Renaming carbon AD experiments to comply with testreport conventions
636    o Updating adjoint of Held-Suarez hs94.1x64x5
637    o Fixing directives for non-ECCO forward_step, after ECCO directives
638      have been fixed to avoid recomp. of do_oceanic_phys
639      Works well for global_ocean.90x40x15,
640      but recomp. issue remains for carbon
641    o Updating adjoint output for natl_box_adjoint after
642      pkg/ecco has been modified (see taga c55d_post)
643    
644    checkpoint55f_post
645    o rename to timeave_init_fixed
646    
647    checkpoint55e_post
648    o some delicate re-shuffle of store directives to avoid one
649      extra call of do_oceanic_physics
650      affects ecco_the_main_loop.F, do_oceanic_physics.F
651      checkpoint_lev1_directives.h
652    o NB: this may break global_ocean adjoint temporarily,
653      but it is clear how to fix it. Will do later, need this now.
654    
655    checkpoint55d_post
656    o ECCO specific cost function terms (up-to-date with 1x1 runs)
657    o ecco_cost_weights is modified to 1x1 runs
658    o modifs to allow observations to be read in as
659      single file or yearly files
660    o enable to read exf forcing fields as either
661      single file or yearly files (flag useExfYearlyFields)
662    checkpoint55d_pre
663    
664    o switch between 2-level and 3-level checkpointing
665    o add ability of MNC to write local and "partial" (eg. 2D slices where
666      the full 3D field is never actually stored) arrays to NetCDF files
667      with the correct (that is, the complete multi-dimensional) set of
668      array indicies
669      - used in mom_vecinv() to write the diagFreq output
670      - tested (demonstrated) in verification/aim.5l_cs
671    o further mnc-ification
672      - add verification/lab_sea to the list with mnc setups
673      - fix undefined mnc v-names in cd_code
674      - add kpp to mnc output (both snapshot and timeave)
675    o non-hydrostatic code
676      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
677        in calc_gw.F
678      - defaults to viscAh
679      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
680        friction or Leith) in non-hydrostatic mode, as long as there is
681        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
682    o pkg/cost
683      extend simple cost functions to treat time mean quantities
684      (T,U,V) via cost_accumulate_state from cost_tile
685    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
686        be 2 times larger than the minimum size the advection scheme requires.
687        now get a perfect conservation of salt in advect_cs test-exp (updated)
688    o GGL90 (Gaspar's TKE mixed layer)
689      - add horizontal diffusion of TKE, requires exchanges in
690        do_fields_blocking_exchanges, horizontal diffusivity is zero by
691        default. In OPA there is no horizontal diffusion of TKE but the
692        mixing coefficients are computed from a horizontal average of TKE of
693        6 points or so. I think that diffusion has a little more physical
694        justification.
695      - clean up ggl90_calc in the hope of reducing memory usage (this hope
696        was in vain)
697      - mask tke-variable in ggl90_init
698    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
699    o fix biharmonic diffusion on CS-grid.
700    o more obcs stuff
701      - added obcs_external_fields_load as an alternative to the EXF-pkg option
702        for reading boundary values. This routine is called from
703        obcs_prescribe_read
704      - updated obcs_check
705      - changed sponge layer relaxation parameter units for days to seconds
706      - turned off sponge layer by default
707      - changed argument list of OBCS_CALC to myTime+deltaTclock
708      - fixed about 35 bugs in obcs_external_fields_load
709    
710    checkpoint55c_post
711    o obcs stuff
712      - new runtime flags useOBCSprescribe, useOBCSbalance
713      - re-arranged obcs_calc
714      - moved exf_getobcs to obcs_prescibe_read
715        obcs_prescibe_read is called after ORLANSKI stuff
716        and independent of it (executable can contain all).
717      - updated obcs_check
718      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
719        These may be necessary only if tangential velocities are
720        prescribed at OB, not sure, needs testing.
721    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
722      which simplifies the calls and passes the ifc check-bounds test
723    
724    checkpoint55b_post
725    o add a 2D scalar, Z location, exchange_2 routine.
726    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
727      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
728      affects advect_cs results (for the wrong reason): update output.txt
729    o use a more standard discretization for biharmonic viscosity ;
730     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
731      affects results of dome set-up: update output.txt
732    o fix gad_advection.F (CubedSphere part), back to version 1.23
733    o fix bug in mom_vi_del2uv.F (CubedSphere part).
734    
735    checkpoint55a_post
736    o merged code to
737      * prescribe/read time-dependent open boundaries
738        (works in conjunction with exf, cal)
739      * sponge layer code for open boundaries
740      * each boundary N/S/E/W now has its own CPP option
741        (healthy for the adjoint)
742    
743    checkpoint55
744    o up-to-date adjoint of previous breaks
745      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
746      - global_ocean_ebm: adjoint still needs fix (TLM ok)
747      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
748      - carbon: * remove tr1-related adjoint verification
749                * add ptracer as control variable
750    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
751      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
752    
753    checkpoint54f_post
754    o in verification/carbin/ remove experiment related to
755      ALLOW_PASSIVE_TRACER (array tr1 etc)
756      code_ad/ input_ad/ results_ad
757    
758    o add two new packages
759      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
760        + subject to optimization (memory)
761      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
762        + subject to reordering (many GOTOs in the original code)
763        + so far opps is called for every (i,j) point, and then operates in
764          the vertical; one may want to reorder the scheme in order operate in
765          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
766          fields)
767    o overhaul of IO so that we now have flags for MDSIO and/or MNC
768      - all verification tests compile and run with linux_ia32_g77
769      - defaults are compatible with current input files--nothing
770        should change if you were not previously using MNC
771      - MNC output has been added in numerous places (eg. timeave)
772        but there are still a few writes not yet do-able with MNC
773        (this is in progress)
774      - flags now allow for either/or/both use of MDSIO and MNC and
775        documentation will soon follow
776      - numerous small formatting cleanups for ProTeX
777    o add version info (via BUILD_INFO.h) to MNC and stdout
778    
779    checkpoint54e_post
780    o add two new packages
781      - pp81 (Packanowski and Philander, 1981), Richardson number and
782        stratification dependent mixing
783      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
784      - these scheme operate in a similar manner as KPP (without ghat, of
785        course), however there is only one diffusivity that is used for both
786        temperature and salinity (and passive tracers)ç
787    o add offline package
788    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
789      provided by Stephanie Dutkiewicz
790    o genmake2: add ability to search for C compilers and cleanup test output
791      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
792    
793    checkpoint54d_post
794    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
795    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
796      leading to additional shift by 5 days each year of integration
797       (i.e. leading to considerable offset over the years)
798    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
799    o start with no AB and no initial filtering (staggerTimeStep):
800      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
801    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
802      (external loading & cpl import/export stay in forward_step.F)
803    o update coupling interface to work with new staggerTimeStep
804    o change MDSIO ptracers_pickup.
805    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
806    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
807    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
808    
809    checkpoint54c_post
810    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
811      this affects (truncation error) output.txt of test-exp:
812       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
813    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
814    o change Qnet to always be the net heat flux, (+upward).
815      affects (truncation error) output of natl_box exp.: updated
816    o define the max number of passive tracers in PTRACERS_SIZE.h
817    o start to test mnc routinely in exp0
818    o add sea-ice loading (sIceLoad) as a new forcing field.
819    
820    checkpoint54b_post
821    o add testreport "-j JOBS" option for parallel builds (tested and pretty
822       impressive on Altix and Opteron systems)
823    o diagnostics can now write NetCDF files through the mnc package
824    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
825    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
826    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
827      affects (truncation error) output of lab_sea & natl_box exp.: updated
828    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
829    
830    checkpoint54a_post
831    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
832    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
833    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
834    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
835      + internal_wave (shift in writing cg2d_ini_res)
836    checkpoint54a_pre
837    
838    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
839      - modified verification/lab_sea and natl_box_adjoint accordingly
840    
841    checkpoint54
842    checkpoint53g_post
843    o prepare splitting of thermodynamics: store convect.counter in common block
844    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
845      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
846    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
847    o new parameter "nShapS": allow to treat differently S from T (nShapT)
848    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
849    o restore adjointability
850    
851    checkpoint53f_post
852    o modifications that affect AIM experiment results (update output.txt):
853      - no advection of S at top interface Nr (pkg/generic_advdiff)
854      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
855    o AIM pkg:
856      - include stability function into surf.Flux derivative relative to Tsurf
857      - calculate clear-sky radiation & surface temp. change (for diagnostics)
858    
859    checkpoint53e_post
860    o merged cylindrical coord configuration
861    o added rotating_tank experiment
862    checkpoint53e_pre
863    
864    checkpoint53d_post
865    o faulks upgraded: re-generate output.txt that have changed:
866       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
867    o Added Bryan and Lewis, 1979, vertical diffusivity profile
868    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
869    o added Sadourny discretization of Coriolis
870      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
871      - re-enabled use of omega3 (useAbsVorticity)
872    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
873      vector-invariant equations
874      - note: does *NOT* yet use same variable visc. for no-slip BC's.
875    o recoded the lateral boundary conditions for non-hydrostatic w, this time
876      hopefully without new bugs
877      - still to do: biharmonic friction for non-hydrostatic w
878    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
879    o regenerated output for global_ocean_ebm (using -ieee)
880    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
881      of mom_common/
882      - simple re-arrangement of instructions within computing loop
883    checkpoint53d_pre
884    
885    checkpoint53c_post
886    o new version of coupler for AIM+thSIce and Ocean models
887     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
888     - land: change Evaporation of snow
889     - aim with thSIce: fix bug in snow-precip.
890    o changes to calc_gw.F
891     - bug fix for w^2 term near the bottom boundary
892     - (hopefully) improve the lateral slip boundary condtions for use with
893        partial/looped cells
894      - because the bug fix changes two verification experiments anyway (exp5
895        and plume on slope), change the lateral boundary condition from half slip
896        to the value of no_slip_sides
897    o ebm package wasnt quite up to the parallel task. Fixed that.
898    o Adjoint of EBM package + verification
899      * TLM OK
900      * ADM not sufficient accuracy yet (needs further testing)
901    
902    checkpoint53b_post
903    o Commiting new energy balance model to repository
904      * package is pkg/ebm
905      * verif. is verification/global_ocean_ebm
906      * references are in ebm_driver.F
907    C      * X. Wang, P. Stone and J. Marotzke, 1999:
908    C        Global thermohaline circulation. Part I:
909    C        Sensitivity to atmospheric moisture transport.
910    C        J. Climate 12(1), 71-82
911    C      * X. Wang, P. Stone and J. Marotzke, 1999:
912    C        Global thermohaline circulation. Part II:
913    C        Sensitivity with interactive transport.
914    C        J. Climate 12(1), 83-91
915    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
916    C        Destabilization of the thermohaline circulation
917    C        by atmospheric eddy transports.
918    C        J. Climate 7(12), 1870-1882
919    o Will need long integration testing.
920    checkpoint53b_pre
921    
922    o created pkg/mom_common in preparation for variable viscosity code
923    o renamed and split ini_mnc_io
924    o pkg/land: only liquid water can diffuse or run-off
925    o AIM using land: soil wetness availability account for snow
926    o added printMapIncludesZeros to EEPARMS namelist
927    
928    checkpoint53a_post
929    o restore TAMC compatiility for exf_constants.h
930      (no usage of _d in .h)
931    o Additional storing in KPP in an attempt to fix
932      TAMC problem with adjoint of KPP code.
933      (no success...)
934      Identical code works fine with TAF.
935    o Fixed verification/natl_box_adjoint experiments.
936      Initial conditions for Experiments 4 and 5 are now
937      set to "SEAICE_initialHEFF=0", which is more reasonable,
938      and hence gives results closer to that of Experiment 2.
939      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
940    
941    checkpoint53
942    o stable checkpoint with up to date adjoint
943      TLM tests only run for 1st grdchk at the moment. Its unclear if
944      this is a code problem or a problem with resetting code for g_
945      variables that is being autogenerated wrong.
946      Otherwise:
947       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
948       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
949         are both still in chaos following their security messes.
950    
951    checkpoint52n_post
952    o various build (mostly genmake2) changes including:
953      - ability to build/run more easily within Cygwin and MacOS X
954      - more complicated Makefiles with a stronger dependence on Gnu Make
955    o pkg/seaice modifications
956      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
957        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
958        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
959      - changed proxy for geostrophic velocity and updated
960        verification/lab_sea/results/* accordingly
961      - removed ADI dynamic solver from pkg/seaice
962      - replaced all occurrences of 1/CSTICE or 1/CSUICE
963        they caused a segmentation fault under certain circumstances
964      - removed unused field WATR
965    o bug fix in exf-package:
966      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
967         now reflect that.
968    o small fixes in the cal-package:
969      - set reference date to first of January for the 'model'-calendar
970      - failing of cal_CheckDate in cal_FullDate now actually results in a
971        warning
972    o small modifications in exf-package to increase flexibility:
973      - change climtempfreeze from a constant to a runtime parameter that
974        is specified in data.exf_clim (default = -1.9)
975      - introduce runtime parameter windstressmax (default = 2.0) that is
976        specified in data.exf
977    o fix in pkg/thsice:
978      - update Evap (Tsf changes) to be consistent with Latent heat flux
979      - maintain snow precipitation unchanged (even if Tsf >=0).
980     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
981    
982    checkpoint52m_post
983    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
984      this does not change any of the results, because myIter=0 in swfrac always
985      lead to jwtype=2 (the default anyway), but the call makes little sense
986      as a default
987    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
988    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
989      atmospheric model (AIM) to use it ; add a "slab ocean" component.
990    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
991    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
992    o extending useSingleCpuIO option to work with new exch2 I/O format
993      - old-style, missing-tile I/O is still accessible by defining CPP
994        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
995    o monitor package can write to NetCDF files and/or STDOUT
996    o fix re-definition bug in MNC_GRID_INIT_ALL()
997    o doc/api_reference added
998      - a framework for building an API Reference Manual using all
999        the "protex" comments embedded in the code
1000      - see pkg/generic_advdiff, pkg/mnc for examples
1001    o MNC:
1002      - make myThid the last argument for all subroutines
1003      - new default for the grid files: NO halos
1004      - add useMNC and other run-time flags
1005      - separate per-file-group handling of the unlimited dimension
1006      - early initialization of MNC w/ flags read at the eeboot stage
1007        and lookup tables set in initialize_fixed
1008      - write all MNC output to a freshly-created directory
1009    o thermodynamics sea-ice (thsice) is now tested with testreport.
1010    o test exp. advect_cs: use the standard cs32 grid ; update output.
1011    o Added functionality to grdchk:
1012      pick global i,j,k position (or nearest wet) where to perform check.
1013    
1014    checkpoint52l_post
1015    o new land formulation:
1016      a) use ground enthalpy as prognostic variable to ensure exact
1017         energy conservation.
1018      b) account for water temperature and for latent heat of freezing
1019         in all processes (rain, run-off, ground storage)
1020      c) compute surface and ground temperature implicitly.
1021    o aim_v23 modification for new land model:
1022      a) Treat separately land / ocean / sea-ice surface fluxes
1023         to allow implicit computation of land & sea-ice surface temp.
1024      b) add snow precipitation.
1025    checkpoint52l_pre
1026    
1027    o fix problem (when 1 tile is empty) in min/max monitor.
1028    o fix bug in timeAve (u,vZetatave in common block)
1029    o no restoring terms under ice for pkg/seaice
1030    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1031    o bug fix for pkg/seaice pickups
1032    o change MNC call locations and add coordinate attributes
1033    o mask vorticity at the corner ; affects global_ocean.cs output
1034    o fix ini_curvilinear_grid ; test CS experiments with mpi
1035    o aim.5l_cs: modify sea-ice fraction input file ; update output
1036    o exf: Adding simple range check routine for exf fields after read
1037    
1038    checkpoint52k_post
1039    o removed top-level directory "diags"
1040      - we migrated these functions to pkg/timeave a long time ago
1041    o fixed bug introduced in pkg/monitor
1042    o accuracy ctrlprec = 32 insuffient for gradient checks using
1043      averaged fields (I/O via cost_averages)
1044      -> use ctrl.h in active_file*.F to control I/O precision.
1045    o paramter list of CALL ADTHE_MAIN_LOOP
1046    o added initial do_the_model_io to ecco
1047    o set all ...Freq to zero after cost_final
1048      taveFreq, dumpFreq, pChkptFreq
1049    o MAIN and ECCO differentiability restored
1050    
1051    checkpoint52j_post
1052    o fix nchklev in tamc.h for global_ocean...
1053    o Bringing flow and store directives up-to-date
1054    o Really weird thing!
1055      call do_the_model_io from the_main_loop with parameters
1056      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1057      TAF places a faulty re-call of initialise_varia
1058      after cost_final call which should not be there!
1059    checkpoint52j_pre
1060    
1061    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1062      error messages
1063    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1064    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1065      debug output
1066    o modfied mdsio_writefield.F to handle non-global files under exch2
1067    o update AIM Cubed-Sphere exp (aim.5l_cs):
1068      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1069    o update AIM Equatorial Channel exp:
1070      use standard aim_v23 pkg and change the SST fields to be more realistic.
1071    o globalFile now works with exch2
1072    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1073      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1074    o limit timeave output for hi-res integrations
1075    
1076    checkpoint52i_post
1077    o removed CPP_EEOPTIONS.h from verification/*/code
1078    o updated the tiling for global_ocean_pressure
1079    checkpoint52i_pre
1080    
1081    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1082      the old pkg/aim).
1083    
1084    checkpoint52h_pre
1085    o shortened offending lines in exch2_send_rx?.template
1086    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1087    o genmake2: add build & execute test for NetCDF code
1088    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1089      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1090    o added useSingleCPUIO flag to monitor.F and mon_out.F
1091    o added temporary hack for sea-ice dynamics on the cube:
1092      metric terms are ignored and it is assumed that
1093      there is no sea-ice on cube faces 1, 2, 4, and 5.
1094    
1095    checkpoint52f_post
1096    o added exch2 cube routines to pkg/exch2
1097    o modified hs94.cs-32x32x5 to use it
1098    o added new grid files to hs94.cs-32x32x5
1099    checkpoint52f_pre
1100    
1101    checkpoint52e_post
1102    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1103      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1104    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1105      to work with implicit vertical advection and AB ;
1106    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1107    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1108     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1109    checkpoint52e_pre
1110    
1111    o fix bug in impldiff when Nr=1 or Nr=2.
1112    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1113    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1114    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1115      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1116    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1117    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1118    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1119    
1120    checkpoint52d_post
1121    o re-tiled many expts to allow comparison in multi-processor mode
1122      - updated output accordingly
1123      - changed hs94.128x64x5 to use intial T from file rather than use the
1124        random number generator
1125    o add infrastructure in model routines for fizhi and gridalt packages
1126    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1127    o changes to permit hi-res, cubed-sphere, configuration
1128      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1129      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1130      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1131        of surface winds for the cube
1132      (A verification experiment, based on global_ocean.cs32x15, but with
1133       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1134       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1135       complete with example surface forcing files and matlab scripts to look
1136       at the output and compare it with that of global_ocean.cs32x15.)
1137    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1138       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1139       to conform to the common rule.
1140    o check-in the first version of the coupler + interfaces for multi-components
1141       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1142       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1143       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1144       - ocean and atmos. share the same horizontal grid (no interpolation).
1145       - exchanges between component and coupler is done in forward_step
1146    o new verification experiment, cpl_aim+ocn:
1147       coupled ocean - AIM atmosphere on cs32 grid.
1148    
1149    checkpoint52d_pre
1150    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1151    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1152    
1153    checkpoint52c_post
1154    o Fixing OPTIONS files for use of exf:
1155      - ALLOW_ECCO not needed
1156      - ECCO_CPPOPTIONS.h should not be included from
1157        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1158        as has been the case in the past
1159      - All cal/exf related options are currently set in
1160        single header file. Should remain so until we
1161        agree on a consistent new policy.
1162    o Removed all CPP options for cal package.
1163      cal has no more CPP options.
1164    o modified STOREs in GAD_ADVECTION
1165    o corrected key comp. for passkey
1166    
1167    checkpoint52b_post
1168    o new version: "thsice" of thermodynamic sea-ice pkg:
1169     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1170     - modify fluxes but do not change theta directly;
1171     - light cleaning of bulk_force pkg (still needed with thsice).
1172     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1173       + output_thsice.txt to test thsice & bulk_force pkgs.
1174    o put back grid & coriolis monitor output.
1175    checkpoint52b_pre
1176    
1177    o call "do_the_model_io" at the beginning (=> dump initial state)
1178    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1179    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1180      (need info on NUMBER_OF_PTRACERS)
1181    o missing PTRACERS headers in some routines
1182    o default tamc.h in pkg/autodiff supposed to crash
1183      to ensure proper customization
1184    
1185    checkpoint52a_post
1186    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1187    - moved surfaceTendencyTice from pkg/seaice to main code    - moved surfaceTendencyTice from pkg/seaice to main code
1188    - FREEZE moved to FORWARD_STEP    - subroutine FREEZE_SURFACE now limits only surface temperature
1189    - subroutine FREEZE now limits only surface temperature      and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1190      this means new output.txt for global_ocean.90x40x15,      => new output.txt for global_ocean.cs32x15 & global_with_exf
1191      global_ocean.cs32x15, and global_with_exf, but note    - keep the old version of FREEZE for backward compatibility;
1192      that results for these three experiments remain      global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1193      bit-identical to before if allowFreezing=.FALSE.    - corresponding modifs for TAF directives
1194  o added surface flux output variables to TIMEAVE_STATVARS  o added surface flux output variables to TIMEAVE_STATVARS
1195  o time-averaged output for pkg/ptracers  o time-averaged output for pkg/ptracers
1196    o fix problem with ECCO-related divided adjoint
1197      snapshot file was missing some ad-variables,
1198      but no warning issued by TAF
1199    
1200  checkpoint52a_pre  checkpoint52a_pre
1201  o some bug fixes for #undef REAL4_IS_SLOW  o some bug fixes for #undef REAL4_IS_SLOW

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