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revision 1.121 by heimbach, Tue Jan 21 19:44:45 2003 UTC revision 1.465 by baylor, Thu Mar 24 14:51:34 2005 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
7      as well as grad(vort3).  Made it compatible with both approximate form
8      for the cubed sphere and full form of these gradients.  Added flag
9      useFullLeith to select between approximate and full form.  
10    o add "d0" in getcon.F to reduce differences between compilers/platforms
11      update output.txt of exp. fizhi-gridalt-hs
12    o change port_rand funtion to allow to set the seed.
13    o fix obscure MNC bug involving conversion between reals and integers
14      - it caused no problems with certain (eg. gcc, ifc) compilers but the
15        new version is now more standards-compliant
16    
17    checkpoint57e_post
18    o Adding eddy stress controls a la Ferreira et al.
19    checkpoint57e_pre
20    
21    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
22      update output.txt of exp. fizhi-gridalt-hs
23    o add more "Z" dimensions and associated coordinate vars to MNC
24    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
25    o parameter calendarDumps: when set, approximate months (30-31 days) and years
26      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
27      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
28      months and years.  Requires pkg/cal.
29    o diagnostics: add pickup functionality
30      - off by default for backwards compatibility
31      - current version only uses MDSIO -- MNC will be added
32    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
33    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
34    
35    checkpoint57d_post
36    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
37    o modify verification/ideal_2D_oce so that it tests the creation of mnc
38      output from the diagnostics package
39    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
40    o make genmake2 more portable by using ".$FS" instead of ".f" for more
41      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
42    o add coordinate variables to the MNC output from the diagnostics package
43    o change MNC-flags default value: true when useMNC=TRUE
44    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
45      the ability (off by default) to read the grid information using MNC
46    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
47    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
48    o do snap-shot diagnostics at the middle of the time-interval (instead of
49      at the end).
50    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
51      new test for AIM with thSIce + slab-ocean
52    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
53    o move state variable diagnostics to the beginning of the time step ;
54      (note: still needs some work specially for snap-shot diagnostics)
55      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
56    
57    checkpoint57c_post
58    o Change testing option (-ieee) to get closer agreement between g77 & ifort
59    o generate new output.txt files on faulks with g77 & the new -ieee option
60    checkpoint57c_pre
61    
62    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
63      update output.txt of exp. global_ocean.90x40x15
64    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
65      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
66    o add saltFlux(+File) forcing capability with periodicExternalForcing
67    o allow to use pkg diagnostics for GM-Redi & ThSIce output
68    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
69    o improvements for the MNC output from DIAGNOSTICS:
70      - correct handling of the unlimitied dimension
71      - all dims now have associated coordinate variables
72      - variables located at U, V, and Corner ("Z") points are now written
73        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
74        *all* data points are output
75    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
76    o added pkg/seaice/seaice_monitor.F
77    o mdsio_readfield.F can now read files visible only to master MPI process.
78    o pkg/seaice: some test code for ice-modified ocean stress
79    o exf_getffields interpolation defaults to bilinear for all scalar forcing
80      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
81      spurious negative numbers for precipitation and humidity.  Will cause
82      some small numerical differences for integrations using pkg/exf/exf_interp.F.
83    o pkg/ctrl/
84      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
85        May be enabled via doPackDiag
86      *  introduce z-scaling of
87         + gradient (doZscalePack) and
88         + control (doZscaleUnpack)
89    o pkg/mdsio/
90      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
91      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
92    
93    checkpoint57b_post
94    o simplify options in diagnostics_fill arguments (remove weird combinations)
95    o fix MNC coordinate variables so that they now contain per-face index
96      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
97      general, EXCH2 grids are only aligned to a "local" coordinate system
98    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
99    o Implement instantaneous output within pkg diagnostics:
100      setting a negative frequency in data.diagnostics produces
101     "snap-shot" output (as opposed to time-average if freq > 0)
102    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
103      NOTE: change ptracer diagnostics name: use 2 characters to work with
104            more than 9 tracers. Add also diagnostics of advect & diffus flux.
105    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
106      becomes the coordinate variable for the 'T' dimension
107    o add CF-style coordinate variables to MNC
108      - just a first cut:  numbers are meaningless on the cubesphere and
109        missing along the T axis but otherwise it works!
110    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
111    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
112    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
113      this is based directly on what the model compute, so that the content of
114      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
115    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
116    o clean up build options files for SunOS, in particular
117      - remove -traditional from xmakedepend
118      - change -xarch=v9 to -xarch=native for f77
119      - restore use of make (not gmake)
120      - add CC=gcc if using g77
121    o changes per discussion of AM, JMC, & EH3 today:
122      - move redundant "grid" variables out of "state" -- in preparation of
123        creating proper CF-style coordinate variables and in recognition
124        that any/all grid variables can be easily copied (eg. w/NCO) from
125        the grid files into any of the other NetCDF files
126      - *always* output grid variables with MDSIO (this will eventually be
127        changed)
128      - output MNC grid file if useMNC is true
129    o every instance of _END_MASTER() has been found and replaced with
130      _END_MASTER( myThid ) in order to satisfy certain picky Sun
131      preprocessors
132    o re-arrange diagnostics pkg initialisation:
133     - allow each package to extend the available diagnostics list
134     - add some checking and fix small problems (multi-threaded, ...)
135     - new S/R diagnostics_fill (replace fill_diagnostics):
136       look through the short list of active diag. (instead of the long list)
137       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
138    
139    checkpoint57a_post
140    o this set of changes restores TAMC compatibility
141      tested for global_ocean.90x40x15 adjoint on trough
142      (what a pain)
143    
144    checkpoint57a_pre
145    o some modifs in tools/build_options for sunos
146    o call ctrl_pack for ctrl at end for optimcycle=0
147    
148    checkpoint57
149    o add horizontal bi-harmonic viscosity for vertical velocity
150      - new parameter viscA4W (defaults to viscA4)
151      - affects only non-hydrostatic code
152      - to be done: no-slip lateral boundary conditions
153    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
154    o implement Implicit Vertical advection for pTracers
155    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
156      (implemented also for implicit vertical diffusion & advection)
157    o OBCS: extend application of tracer open boundary conditions
158      to a strip beyond the boundary of width Olx/Oly
159    o add call monitor to TAF set of required calls (flow directives)
160      and include in natl_box_adjoint
161    o untangle a few ifdefs related to cost, ctrl, autodiff
162      untangel a few ALLOW_ECCO_OPTIMIZATION
163    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
164      (theta2, salt2 in ecco_cost_weights)
165    
166    checkpoint56c_post
167    o OBCS as control variables
168      - update ctrl_ad_diff.list, obcs_ad_diff.list
169      - remove balance of obcs controls from default
170      - fix index bug nobcs in ctrl_init
171      - fix dummy fields filen in ctrl_pack
172      - add dummy weights for obcs
173    o lsopt: comment out fort.94 output
174    o optim:
175      - remove unnecessary header files
176      - adjusted namelists
177      - add xerbla.F to Makefile
178    o exf:
179      - multiple modifications of exf_check_range
180      - unit change in exf_init_runoff from [m/year] to [m/s]
181    o mdsio:
182      - i/o-vector change debugLevel from debLevA to debLevB
183    
184    checkpoint56b_post
185    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
186      is called from DO_THE_MODEL_IO
187      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
188      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
189      - clean up PTRACERS_WRITE_TIMEAVE a little
190    o add another verification experiment that tests both the cfc-pkg and
191      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
192      reactive tendencies treated inline with regular timestepping
193    o testreport previously did a lousy job of comparing small numbers, so
194      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
195      implemented in the little c-progam tmp_cmpnum.c which is embedded in
196      testreport.
197    o ptracers_monitor: bug fix for MPI
198    
199    checkpoint56a_post
200    o GCHEM: finish reorganizating the package
201      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
202        (introduces another 3D-array for each passive tracer, but only if
203        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
204        gchemTendency is not needed because the timestep is done separately)
205      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
206      - GCHEM is now---more or less cleanly---separate from PTRACERS
207      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
208        so clear to me how that should be done in a general way.
209    o CFC: improve formatting of output in CFC_ATMOS
210    o PTRACERS:
211      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
212        that ALL experiments with ptracers enable can be checked. This makes
213        GCHEM_MONITOR obsolete.
214      - include a runtime parameter PTRACERS_monitorFreq that defaults to
215        monitorFreq
216      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
217    o add PTRACERS (PTR0[1-5]) to testreport output
218    o exf_check_range:
219      * default changed to .TRUE.
220      * will check values for niter0 if debLevA, every timestep if debLevB
221      * STOP in exf_check_range if 'out of range'
222      * range chosen generous to allow for potential extema
223      TBD: a version with stricter range
224           permitted range would be runtime parameters
225    o GMredi:
226      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
227      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
228      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
229    o GCHEM:
230      - move call to GCHEM_FORCING_SEP, so that it is now called before
231        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
232      - introduced a useGCHEM runtime flag and applied it everywhere.
233      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
234        this flag is now only visible within GCHEM-pkg routines.
235      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
236        be replaced by a 3D array that is computed before thermodynamics; for
237        this, the tracer ID iTracer had to be included into the parameter list
238        of ptracers_forcing
239      - set up forward_step to call gchem_forcing, that will replace
240        gchem_forcing_int in ptracers_forcing
241      - cleaning up
242    o small cleaning of exch2: remove files that are also in eesupp/src
243    
244    checkpoint56
245    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
246    o mnc: cleanup "full" files--fixes out-of-memory problem
247    o ECCO-GODAE
248      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
249      * fully merged and updated from SIO code
250        windstress sign change affects
251        - exf_inscal_[u/v]stress
252        - sign of xx_tau[u/v] adjustments
253        - signs in cost_scat
254      * ctrl_get_gen: avoid update of tau[u/v] for first few days
255      * natl_box_adjoint updated and compressed
256      * 2-level checkpoint switch added
257        (tested in EXP. 1 of natl_box_adjoint)
258      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
259    o SVD
260      * first complete, non-hacked version for SVD calculations
261      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
262        performed via direct access files admtlm_vector.it????
263        (via ctrl_[un]pack)
264      * optimcycle is used for ARPACK iteration counter
265        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
266      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
267        and add linear transforms where necessary
268      * controls are initial/final SST, SSS (can be extended; need to check
269        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
270    o mdsio: filename info to both stderr, stdout
271    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
272      from sign change
273    
274    checkpoint55j_post
275    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
276      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
277    o add consistent build directories and .cvsignore files to verification
278    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
279    o make all subroutines 30 or less characters in length for certain older
280      compilers to work (a thorough search only turns up two routines in
281      pkg/ptracers)
282    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
283      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
284    
285    checkpoint55i_post
286    o change arrays for total vertical diffusivity (2.D if explicit,
287      3.D if implicit) ; each ptracer uses its own background value.
288    o added mnc/NetCDF output capability to ocn_compon_interf
289      - added bits to verification/cpl_aim+ocn so that it can run on
290        ITRDA and other clusters without the mpirun "-wd" option
291    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
292      configuration
293    o give MNC the ability to create additional files rather than
294      exceeding a specified file size limit "MNC_MAX_FILESIZE"
295      - the default is just less than 2GB which is a practical limit
296        on many systems
297    o Compute the non-local term using either KPP vertical diffusivity (=default)
298       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
299    
300    checkpoint55h_post
301    o add verification test "vermix"
302    o remove all the *_ioinc flags and replace with the single global
303      outputTypesInclusive flag
304    o allow to set a vertical profile of vertical diffusivity for T & S
305    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
306    o useMNC moved from data.mnc to data.pkg
307    
308    checkpoint55g_post
309    o Renaming carbon AD experiments to comply with testreport conventions
310    o Updating adjoint of Held-Suarez hs94.1x64x5
311    o Fixing directives for non-ECCO forward_step, after ECCO directives
312      have been fixed to avoid recomp. of do_oceanic_phys
313      Works well for global_ocean.90x40x15,
314      but recomp. issue remains for carbon
315    o Updating adjoint output for natl_box_adjoint after
316      pkg/ecco has been modified (see taga c55d_post)
317    
318    checkpoint55f_post
319    o rename to timeave_init_fixed
320    
321    checkpoint55e_post
322    o some delicate re-shuffle of store directives to avoid one
323      extra call of do_oceanic_physics
324      affects ecco_the_main_loop.F, do_oceanic_physics.F
325      checkpoint_lev1_directives.h
326    o NB: this may break global_ocean adjoint temporarily,
327      but it is clear how to fix it. Will do later, need this now.
328    
329    checkpoint55d_post
330    o ECCO specific cost function terms (up-to-date with 1x1 runs)
331    o ecco_cost_weights is modified to 1x1 runs
332    o modifs to allow observations to be read in as
333      single file or yearly files
334    o enable to read exf forcing fields as either
335      single file or yearly files (flag useExfYearlyFields)
336    checkpoint55d_pre
337    
338    o switch between 2-level and 3-level checkpointing
339    o add ability of MNC to write local and "partial" (eg. 2D slices where
340      the full 3D field is never actually stored) arrays to NetCDF files
341      with the correct (that is, the complete multi-dimensional) set of
342      array indicies
343      - used in mom_vecinv() to write the diagFreq output
344      - tested (demonstrated) in verification/aim.5l_cs
345    o further mnc-ification
346      - add verification/lab_sea to the list with mnc setups
347      - fix undefined mnc v-names in cd_code
348      - add kpp to mnc output (both snapshot and timeave)
349    o non-hydrostatic code
350      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
351        in calc_gw.F
352      - defaults to viscAh
353      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
354        friction or Leith) in non-hydrostatic mode, as long as there is
355        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
356    o pkg/cost
357      extend simple cost functions to treat time mean quantities
358      (T,U,V) via cost_accumulate_state from cost_tile
359    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
360        be 2 times larger than the minimum size the advection scheme requires.
361        now get a perfect conservation of salt in advect_cs test-exp (updated)
362    o GGL90 (Gaspar's TKE mixed layer)
363      - add horizontal diffusion of TKE, requires exchanges in
364        do_fields_blocking_exchanges, horizontal diffusivity is zero by
365        default. In OPA there is no horizontal diffusion of TKE but the
366        mixing coefficients are computed from a horizontal average of TKE of
367        6 points or so. I think that diffusion has a little more physical
368        justification.
369      - clean up ggl90_calc in the hope of reducing memory usage (this hope
370        was in vain)
371      - mask tke-variable in ggl90_init
372    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
373    o fix biharmonic diffusion on CS-grid.
374    o more obcs stuff
375      - added obcs_external_fields_load as an alternative to the EXF-pkg option
376        for reading boundary values. This routine is called from
377        obcs_prescribe_read
378      - updated obcs_check
379      - changed sponge layer relaxation parameter units for days to seconds
380      - turned off sponge layer by default
381      - changed argument list of OBCS_CALC to myTime+deltaTclock
382      - fixed about 35 bugs in obcs_external_fields_load
383    
384    checkpoint55c_post
385    o obcs stuff
386      - new runtime flags useOBCSprescribe, useOBCSbalance
387      - re-arranged obcs_calc
388      - moved exf_getobcs to obcs_prescibe_read
389        obcs_prescibe_read is called after ORLANSKI stuff
390        and independent of it (executable can contain all).
391      - updated obcs_check
392      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
393        These may be necessary only if tangential velocities are
394        prescribed at OB, not sure, needs testing.
395    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
396      which simplifies the calls and passes the ifc check-bounds test
397    
398    checkpoint55b_post
399    o add a 2D scalar, Z location, exchange_2 routine.
400    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
401      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
402      affects advect_cs results (for the wrong reason): update output.txt
403    o use a more standard discretization for biharmonic viscosity ;
404     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
405      affects results of dome set-up: update output.txt
406    o fix gad_advection.F (CubedSphere part), back to version 1.23
407    o fix bug in mom_vi_del2uv.F (CubedSphere part).
408    
409    checkpoint55a_post
410    o merged code to
411      * prescribe/read time-dependent open boundaries
412        (works in conjunction with exf, cal)
413      * sponge layer code for open boundaries
414      * each boundary N/S/E/W now has its own CPP option
415        (healthy for the adjoint)
416    
417    checkpoint55
418    o up-to-date adjoint of previous breaks
419      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
420      - global_ocean_ebm: adjoint still needs fix (TLM ok)
421      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
422      - carbon: * remove tr1-related adjoint verification
423                * add ptracer as control variable
424    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
425      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
426    
427    checkpoint54f_post
428    o in verification/carbin/ remove experiment related to
429      ALLOW_PASSIVE_TRACER (array tr1 etc)
430      code_ad/ input_ad/ results_ad
431    
432    o add two new packages
433      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
434        + subject to optimization (memory)
435      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
436        + subject to reordering (many GOTOs in the original code)
437        + so far opps is called for every (i,j) point, and then operates in
438          the vertical; one may want to reorder the scheme in order operate in
439          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
440          fields)
441    o overhaul of IO so that we now have flags for MDSIO and/or MNC
442      - all verification tests compile and run with linux_ia32_g77
443      - defaults are compatible with current input files--nothing
444        should change if you were not previously using MNC
445      - MNC output has been added in numerous places (eg. timeave)
446        but there are still a few writes not yet do-able with MNC
447        (this is in progress)
448      - flags now allow for either/or/both use of MDSIO and MNC and
449        documentation will soon follow
450      - numerous small formatting cleanups for ProTeX
451    o add version info (via BUILD_INFO.h) to MNC and stdout
452    
453    checkpoint54e_post
454    o add two new packages
455      - pp81 (Packanowski and Philander, 1981), Richardson number and
456        stratification dependent mixing
457      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
458      - these scheme operate in a similar manner as KPP (without ghat, of
459        course), however there is only one diffusivity that is used for both
460        temperature and salinity (and passive tracers)ç
461    o add offline package
462    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
463      provided by Stephanie Dutkiewicz
464    o genmake2: add ability to search for C compilers and cleanup test output
465      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
466    
467    checkpoint54d_post
468    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
469    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
470      leading to additional shift by 5 days each year of integration
471       (i.e. leading to considerable offset over the years)
472    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
473    o start with no AB and no initial filtering (staggerTimeStep):
474      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
475    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
476      (external loading & cpl import/export stay in forward_step.F)
477    o update coupling interface to work with new staggerTimeStep
478    o change MDSIO ptracers_pickup.
479    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
480    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
481    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
482    
483    checkpoint54c_post
484    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
485      this affects (truncation error) output.txt of test-exp:
486       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
487    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
488    o change Qnet to always be the net heat flux, (+upward).
489      affects (truncation error) output of natl_box exp.: updated
490    o define the max number of passive tracers in PTRACERS_SIZE.h
491    o start to test mnc routinely in exp0
492    o add sea-ice loading (sIceLoad) as a new forcing field.
493    
494    checkpoint54b_post
495    o add testreport "-j JOBS" option for parallel builds (tested and pretty
496       impressive on Altix and Opteron systems)
497    o diagnostics can now write NetCDF files through the mnc package
498    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
499    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
500    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
501      affects (truncation error) output of lab_sea & natl_box exp.: updated
502    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
503    
504    checkpoint54a_post
505    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
506    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
507    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
508    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
509      + internal_wave (shift in writing cg2d_ini_res)
510    checkpoint54a_pre
511    
512    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
513      - modified verification/lab_sea and natl_box_adjoint accordingly
514    
515    checkpoint54
516    checkpoint53g_post
517    o prepare splitting of thermodynamics: store convect.counter in common block
518    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
519      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
520    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
521    o new parameter "nShapS": allow to treat differently S from T (nShapT)
522    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
523    o restore adjointability
524    
525    checkpoint53f_post
526    o modifications that affect AIM experiment results (update output.txt):
527      - no advection of S at top interface Nr (pkg/generic_advdiff)
528      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
529    o AIM pkg:
530      - include stability function into surf.Flux derivative relative to Tsurf
531      - calculate clear-sky radiation & surface temp. change (for diagnostics)
532    
533    checkpoint53e_post
534    o merged cylindrical coord configuration
535    o added rotating_tank experiment
536    checkpoint53e_pre
537    
538    checkpoint53d_post
539    o faulks upgraded: re-generate output.txt that have changed:
540       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
541    o Added Bryan and Lewis, 1979, vertical diffusivity profile
542    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
543    o added Sadourny discretization of Coriolis
544      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
545      - re-enabled use of omega3 (useAbsVorticity)
546    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
547      vector-invariant equations
548      - note: does *NOT* yet use same variable visc. for no-slip BC's.
549    o recoded the lateral boundary conditions for non-hydrostatic w, this time
550      hopefully without new bugs
551      - still to do: biharmonic friction for non-hydrostatic w
552    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
553    o regenerated output for global_ocean_ebm (using -ieee)
554    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
555      of mom_common/
556      - simple re-arrangement of instructions within computing loop
557    checkpoint53d_pre
558    
559    checkpoint53c_post
560    o new version of coupler for AIM+thSIce and Ocean models
561     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
562     - land: change Evaporation of snow
563     - aim with thSIce: fix bug in snow-precip.
564    o changes to calc_gw.F
565     - bug fix for w^2 term near the bottom boundary
566     - (hopefully) improve the lateral slip boundary condtions for use with
567        partial/looped cells
568      - because the bug fix changes two verification experiments anyway (exp5
569        and plume on slope), change the lateral boundary condition from half slip
570        to the value of no_slip_sides
571    o ebm package wasnt quite up to the parallel task. Fixed that.
572    o Adjoint of EBM package + verification
573      * TLM OK
574      * ADM not sufficient accuracy yet (needs further testing)
575    
576    checkpoint53b_post
577    o Commiting new energy balance model to repository
578      * package is pkg/ebm
579      * verif. is verification/global_ocean_ebm
580      * references are in ebm_driver.F
581    C      * X. Wang, P. Stone and J. Marotzke, 1999:
582    C        Global thermohaline circulation. Part I:
583    C        Sensitivity to atmospheric moisture transport.
584    C        J. Climate 12(1), 71-82
585    C      * X. Wang, P. Stone and J. Marotzke, 1999:
586    C        Global thermohaline circulation. Part II:
587    C        Sensitivity with interactive transport.
588    C        J. Climate 12(1), 83-91
589    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
590    C        Destabilization of the thermohaline circulation
591    C        by atmospheric eddy transports.
592    C        J. Climate 7(12), 1870-1882
593    o Will need long integration testing.
594    checkpoint53b_pre
595    
596    o created pkg/mom_common in preparation for variable viscosity code
597    o renamed and split ini_mnc_io
598    o pkg/land: only liquid water can diffuse or run-off
599    o AIM using land: soil wetness availability account for snow
600    o added printMapIncludesZeros to EEPARMS namelist
601    
602    checkpoint53a_post
603    o restore TAMC compatiility for exf_constants.h
604      (no usage of _d in .h)
605    o Additional storing in KPP in an attempt to fix
606      TAMC problem with adjoint of KPP code.
607      (no success...)
608      Identical code works fine with TAF.
609    o Fixed verification/natl_box_adjoint experiments.
610      Initial conditions for Experiments 4 and 5 are now
611      set to "SEAICE_initialHEFF=0", which is more reasonable,
612      and hence gives results closer to that of Experiment 2.
613      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
614    
615    checkpoint53
616    o stable checkpoint with up to date adjoint
617      TLM tests only run for 1st grdchk at the moment. Its unclear if
618      this is a code problem or a problem with resetting code for g_
619      variables that is being autogenerated wrong.
620      Otherwise:
621       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
622       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
623         are both still in chaos following their security messes.
624    
625    checkpoint52n_post
626    o various build (mostly genmake2) changes including:
627      - ability to build/run more easily within Cygwin and MacOS X
628      - more complicated Makefiles with a stronger dependence on Gnu Make
629    o pkg/seaice modifications
630      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
631        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
632        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
633      - changed proxy for geostrophic velocity and updated
634        verification/lab_sea/results/* accordingly
635      - removed ADI dynamic solver from pkg/seaice
636      - replaced all occurrences of 1/CSTICE or 1/CSUICE
637        they caused a segmentation fault under certain circumstances
638      - removed unused field WATR
639    o bug fix in exf-package:
640      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
641         now reflect that.
642    o small fixes in the cal-package:
643      - set reference date to first of January for the 'model'-calendar
644      - failing of cal_CheckDate in cal_FullDate now actually results in a
645        warning
646    o small modifications in exf-package to increase flexibility:
647      - change climtempfreeze from a constant to a runtime parameter that
648        is specified in data.exf_clim (default = -1.9)
649      - introduce runtime parameter windstressmax (default = 2.0) that is
650        specified in data.exf
651    o fix in pkg/thsice:
652      - update Evap (Tsf changes) to be consistent with Latent heat flux
653      - maintain snow precipitation unchanged (even if Tsf >=0).
654     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
655    
656    checkpoint52m_post
657    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
658      this does not change any of the results, because myIter=0 in swfrac always
659      lead to jwtype=2 (the default anyway), but the call makes little sense
660      as a default
661    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
662    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
663      atmospheric model (AIM) to use it ; add a "slab ocean" component.
664    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
665    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
666    o extending useSingleCpuIO option to work with new exch2 I/O format
667      - old-style, missing-tile I/O is still accessible by defining CPP
668        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
669    o monitor package can write to NetCDF files and/or STDOUT
670    o fix re-definition bug in MNC_GRID_INIT_ALL()
671    o doc/api_reference added
672      - a framework for building an API Reference Manual using all
673        the "protex" comments embedded in the code
674      - see pkg/generic_advdiff, pkg/mnc for examples
675    o MNC:
676      - make myThid the last argument for all subroutines
677      - new default for the grid files: NO halos
678      - add useMNC and other run-time flags
679      - separate per-file-group handling of the unlimited dimension
680      - early initialization of MNC w/ flags read at the eeboot stage
681        and lookup tables set in initialize_fixed
682      - write all MNC output to a freshly-created directory
683    o thermodynamics sea-ice (thsice) is now tested with testreport.
684    o test exp. advect_cs: use the standard cs32 grid ; update output.
685    o Added functionality to grdchk:
686      pick global i,j,k position (or nearest wet) where to perform check.
687    
688    checkpoint52l_post
689    o new land formulation:
690      a) use ground enthalpy as prognostic variable to ensure exact
691         energy conservation.
692      b) account for water temperature and for latent heat of freezing
693         in all processes (rain, run-off, ground storage)
694      c) compute surface and ground temperature implicitly.
695    o aim_v23 modification for new land model:
696      a) Treat separately land / ocean / sea-ice surface fluxes
697         to allow implicit computation of land & sea-ice surface temp.
698      b) add snow precipitation.
699    checkpoint52l_pre
700    
701    o fix problem (when 1 tile is empty) in min/max monitor.
702    o fix bug in timeAve (u,vZetatave in common block)
703    o no restoring terms under ice for pkg/seaice
704    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
705    o bug fix for pkg/seaice pickups
706    o change MNC call locations and add coordinate attributes
707    o mask vorticity at the corner ; affects global_ocean.cs output
708    o fix ini_curvilinear_grid ; test CS experiments with mpi
709    o aim.5l_cs: modify sea-ice fraction input file ; update output
710    o exf: Adding simple range check routine for exf fields after read
711    
712    checkpoint52k_post
713    o removed top-level directory "diags"
714      - we migrated these functions to pkg/timeave a long time ago
715    o fixed bug introduced in pkg/monitor
716    o accuracy ctrlprec = 32 insuffient for gradient checks using
717      averaged fields (I/O via cost_averages)
718      -> use ctrl.h in active_file*.F to control I/O precision.
719    o paramter list of CALL ADTHE_MAIN_LOOP
720    o added initial do_the_model_io to ecco
721    o set all ...Freq to zero after cost_final
722      taveFreq, dumpFreq, pChkptFreq
723    o MAIN and ECCO differentiability restored
724    
725    checkpoint52j_post
726    o fix nchklev in tamc.h for global_ocean...
727    o Bringing flow and store directives up-to-date
728    o Really weird thing!
729      call do_the_model_io from the_main_loop with parameters
730      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
731      TAF places a faulty re-call of initialise_varia
732      after cost_final call which should not be there!
733    checkpoint52j_pre
734    
735    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
736      error messages
737    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
738    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
739      debug output
740    o modfied mdsio_writefield.F to handle non-global files under exch2
741    o update AIM Cubed-Sphere exp (aim.5l_cs):
742      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
743    o update AIM Equatorial Channel exp:
744      use standard aim_v23 pkg and change the SST fields to be more realistic.
745    o globalFile now works with exch2
746    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
747      mon_vort3.F to make exch2 friendly with >1 tile per cube face
748    o limit timeave output for hi-res integrations
749    
750    checkpoint52i_post
751    o removed CPP_EEOPTIONS.h from verification/*/code
752    o updated the tiling for global_ocean_pressure
753    checkpoint52i_pre
754    
755    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
756      the old pkg/aim).
757    
758    checkpoint52h_pre
759    o shortened offending lines in exch2_send_rx?.template
760    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
761    o genmake2: add build & execute test for NetCDF code
762    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
763      old grid files, moved CPP_EEMACROS.h to pkg/exch2
764    o added useSingleCPUIO flag to monitor.F and mon_out.F
765    o added temporary hack for sea-ice dynamics on the cube:
766      metric terms are ignored and it is assumed that
767      there is no sea-ice on cube faces 1, 2, 4, and 5.
768    
769    checkpoint52f_post
770    o added exch2 cube routines to pkg/exch2
771    o modified hs94.cs-32x32x5 to use it
772    o added new grid files to hs94.cs-32x32x5
773    checkpoint52f_pre
774    
775    checkpoint52e_post
776    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
777      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
778    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
779      to work with implicit vertical advection and AB ;
780    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
781    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
782     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
783    checkpoint52e_pre
784    
785    o fix bug in impldiff when Nr=1 or Nr=2.
786    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
787    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
788    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
789      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
790    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
791    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
792    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
793    
794    checkpoint52d_post
795    o re-tiled many expts to allow comparison in multi-processor mode
796      - updated output accordingly
797      - changed hs94.128x64x5 to use intial T from file rather than use the
798        random number generator
799    o add infrastructure in model routines for fizhi and gridalt packages
800    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
801    o changes to permit hi-res, cubed-sphere, configuration
802      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
803      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
804      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
805        of surface winds for the cube
806      (A verification experiment, based on global_ocean.cs32x15, but with
807       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
808       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
809       complete with example surface forcing files and matlab scripts to look
810       at the output and compare it with that of global_ocean.cs32x15.)
811    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
812       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
813       to conform to the common rule.
814    o check-in the first version of the coupler + interfaces for multi-components
815       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
816       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
817       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
818       - ocean and atmos. share the same horizontal grid (no interpolation).
819       - exchanges between component and coupler is done in forward_step
820    o new verification experiment, cpl_aim+ocn:
821       coupled ocean - AIM atmosphere on cs32 grid.
822    
823    checkpoint52d_pre
824    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
825    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
826    
827    checkpoint52c_post
828    o Fixing OPTIONS files for use of exf:
829      - ALLOW_ECCO not needed
830      - ECCO_CPPOPTIONS.h should not be included from
831        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
832        as has been the case in the past
833      - All cal/exf related options are currently set in
834        single header file. Should remain so until we
835        agree on a consistent new policy.
836    o Removed all CPP options for cal package.
837      cal has no more CPP options.
838    o modified STOREs in GAD_ADVECTION
839    o corrected key comp. for passkey
840    
841    checkpoint52b_post
842    o new version: "thsice" of thermodynamic sea-ice pkg:
843     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
844     - modify fluxes but do not change theta directly;
845     - light cleaning of bulk_force pkg (still needed with thsice).
846     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
847       + output_thsice.txt to test thsice & bulk_force pkgs.
848    o put back grid & coriolis monitor output.
849    checkpoint52b_pre
850    
851    o call "do_the_model_io" at the beginning (=> dump initial state)
852    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
853    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
854      (need info on NUMBER_OF_PTRACERS)
855    o missing PTRACERS headers in some routines
856    o default tamc.h in pkg/autodiff supposed to crash
857      to ensure proper customization
858    
859    checkpoint52a_post
860    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
861      - moved surfaceTendencyTice from pkg/seaice to main code
862      - subroutine FREEZE_SURFACE now limits only surface temperature
863        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
864        => new output.txt for global_ocean.cs32x15 & global_with_exf
865      - keep the old version of FREEZE for backward compatibility;
866        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
867      - corresponding modifs for TAF directives
868    o added surface flux output variables to TIMEAVE_STATVARS
869    o time-averaged output for pkg/ptracers
870    o fix problem with ECCO-related divided adjoint
871      snapshot file was missing some ad-variables,
872      but no warning issued by TAF
873    
874    checkpoint52a_pre
875    o some bug fixes for #undef REAL4_IS_SLOW
876    
877    checkpoint52 = ecco_c52_e35
878    o after testing adjoints of checkpoint51u_post
879    
880    checkpoint51u_post
881    o this is the post-merge tag of the ecco-branch
882      (needs another clean checkout and re-testing)
883    o various natl_box_adjoint configs and results
884      but no input fields
885    o obcs adjoint not yet merged!
886    o adding ECCO global 1x1 and 2x2 degree configs
887    o updated/extended some store directives for seaice
888    o pkg/ecco now containes ecco-specific part of cost function
889    o top level routines the_main_loop, forward_step
890      supersede those in model/src/
891      previous input data.cost now in data.ecco
892      (new namelist ecco_cost_nml)
893    o in ctrl/ cleaned some cross-dependencies and updated CPP options
894    
895    checkpoint51t_post
896    o this is the pre-merge tag of the ecco-branch
897    
898    checkpoint51s_post
899    o cleanup: removed various obsolete #define-s
900    o pkg/grdchk
901      - renamed 'ph-grd 3' to 'grad-res'
902      - merged from ecco-branch
903        (remaining bug fixes for obcs gradient checks)
904      - additional high-precision output for testreport
905        (grep for 'precision_grdchk_result')
906    
907    checkpoint51r_post
908    o cleaned up or removed CPP_OPTIONS.h files
909    o updated results for some of the tests to reflect the new
910      optfiles (-ieee: -O0 instead of -O3)
911    
912    checkpoint51q_post
913    o cd_code:
914      - moved cd_scheme.F -> cd_code_scheme.F
915      - separate read_checkpoint from cd_code_ini_vars.F
916      - separated cd_code part from write_checkpoint
917      - updated AD_SOURCE, generated .flow
918      - added CD_CODE_VARS.h to the_main_loop
919      - Moving cd_code specific store dir.s to pkg/cd_code
920    o ctrl package totally restructured
921      - pack/unpack now optional and decoupled from
922        xx_/adxx_ I/O
923      - ctrl_pack/unpack cleaned
924        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
925      - confined inclusion of AD_CONFIG.h to where necessary.
926    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
927    
928    checkpoint51p_post
929    o create initial cd_code package
930      - WARNING: the initialization of fields within packages
931        is broken because INI_FIELDS (where READ_CHECKPOINT is
932        called) is called *before* PACKAGES_INIT_VARIABLES.
933        This seems to be backwards since
934        1) its important to initially zero the entire field including
935           the "halo" region
936        2) zeroing needs to be done *before* reading pickup info
937           and the pickup call might or might not happen in any
938           particular run
939      - this needs an overhaul for R2
940    o cleanup verification/*/code/GMREDI_OPTIONS.h
941    o cleanup testreport
942    
943    checkpoint51o_post
944    o bringing AD-related verif's up to date with genmake2
945      - carbon/
946      - global_ocean.90x40x15/
947      - hs.94.1x64x5/
948      - (front_relax/ )
949    o (more) consistent directory structure for AD-related verif.'s
950    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
951    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
952    o bug fix in find_alpha.F for MDJWF:
953      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
954        change rho -> rho-rhoConst
955      - replace call find_rho to find_rhonum
956    o initialisation of rFlx extended to full array (required by TAF)
957      and shifted to thermodynamics
958    o removed PTRACERS.h in ptracers routine
959    o added surfacetendencyPtr to S/R parameter list pracers_forcing
960    o Correcting initialisations for fVerU, fVerV.
961    o helping TAF to recognize dependency on kUp for
962      fVerU, fVerV
963    o Replacing delZ by delR in pkg/ctrl/
964    checkpoint51o_pre
965    
966    o undid all of cp51 pending some cleanups and discussion
967    o added the [#include "AD_CONFIG.h"] statement to all files that need
968       it for adjoint/tl #defines
969     o re-worked the build logic in genmake2 to support AD_CONFIG.h
970     o removed tools/genmake since it no longer works
971    
972    checkpoint51n_post
973    o modifications to make FREEZE flux visible to pkg/kpp
974      - moved surfaceTendencyTice from pkg/seaice to main code
975      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
976      - subroutine FREEZE now limits only surface temperature
977        (this means new output.txt for global_ocean.90x40x15,
978         global_ocean.cs32x15, and global_with_exf)
979    o added surface flux output variables to TIMEAVE_STATVARS
980    
981    checkpoint51n_pre
982    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
983    o added [#include "AD_CONFIG.h"] to all files that use the following
984      defines:
985      - ALLOW_ADJOINT_RUN
986      - ALLOW_TANGENTLINEAR_RUN
987      - ALLOW_ECCO_OPTIMIZATION
988    
989    checkpoint51m_post
990    o incorporating changes to get TAMC/TAF working in genmake2
991      - added new TAMC/TAF targets to the Makefile
992      - various cleanups related to package handling
993      - these changes should have no impact on the forward model
994    
995    checkpoint51l_post
996    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
997     - faster algorithm for cal_addtime.F
998     - higher precision arithmetic, where needed
999     - pkg/exf *startdate variables changed from calendar date to
1000       model integration time
1001    
1002    checkpoint51l_pre
1003    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1004    o enable to apply restoring on S & T only in a latitude band.
1005    o update output (external_forcing_surf modif. change truncation errors)
1006       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1007    
1008    checkpoint51k_post
1009    o change default to: useNHMTerms=.FALSE.
1010     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1011       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1012     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1013        exp1, ideal_2D_oce
1014     - change data file of oceanic exp (leave the results unchanged for now)
1015       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1016    o set gravitySign automatically according to the vertical coordinate used
1017      (and change sign: back to "logical" value: +1 when R increases downward)
1018    o added an include barrier to the default CPP_OPTIONS.h and
1019      removed the #include "PACKAGES_CONFIG.h" from it
1020    o fix a bug in mom_fluxform (from chk51j_post)
1021    
1022    checkpoint51j_post
1023    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1024    o adjusted some flow directives (dynamics, thermodynamics)
1025    o added cubed-sphere case to test cost function
1026    o heckpoint_lev?_directives.h now include
1027      pkg-specific directives, whenever those are enabled.
1028    o Moving pkg-specific flow directives to corresponding pkg
1029      Moving pkg-specific differentiation list to corresponding pkg
1030      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1031      ---> conventions are
1032           - pkg_ad.flow
1033           - pkg_ad_diff.list
1034           - pkg_ad_check_lev?_dir.h
1035    
1036    checkpoint51i_post
1037    o merge of the branch-genmake2
1038      - knowingly breaks the older genmake
1039      - automatic generation of all ALLOW_${PKG_NAME} defines
1040      - new testreport supersedes older testscript
1041    o large number of package inclusion and header cleanups
1042    checkpoint51i_pre
1043    
1044    o new output for adjoin of global ocean vector invariant
1045    o fix for checkpoint of thermodynamic seaice and bulk_force
1046    o Steph gchem various cleanups
1047    
1048    checkpoint 51h_pre
1049    o fixed some single quotes
1050    o modify gchem pkg to be more versatile
1051    o modifications to clean up dic pkg
1052    o add pkg/cfc
1053    
1054    checkpoint51g_post
1055    o provide links for ARPACK and ADM*TLM
1056    o start removing verification/vero/
1057    o update AD-related stuff
1058      (in particular some IF-statements in model/src/ routines)
1059    o adding to verification/global_ocean.90x40x15/ adjoint of
1060      vector invariant setup
1061    
1062    checkpoint51f_post
1063    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1064    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1065      of tracer Green's fucntions for ocean inversion project.
1066    
1067    checkpoint51f_pre
1068    o Added on-the-fly spatial interpolation capability
1069        "USE_EXF_INTERPOLATION" to pkg/exf.
1070      - This is a temporary Cartesian-grid hack until
1071        the super-duper ESMF coupler becomes available.
1072      - See verification/global_with_exf/README for usage example.
1073      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1074        flags and modified pkg/seaice accordingly.
1075    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1076        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1077        non-local transport term.
1078    
1079    checkpoint51e_post
1080    o pkg/mom_vecinv:
1081      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1082      - add time-ave diagnostic of vorticity advection.
1083    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1084    o atmospheric geopotential: - include water vapor effect;
1085                                - use p^kappa in p* scaling.
1086    o land pkg: read initial state from files.
1087    o AIM : add stratospheric drag in the upper level
1088    
1089    checkpoint51d_post
1090    o change function ILNBLNK (=> last non-blank char.) to return zero
1091      (instead of the string length) when the string. char is empty
1092    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1093    o modif's to restore TAMC compatibility
1094      - avoid "_d" constructs in PARAMETER declarations
1095      - avoid interrupting lines by comment lines
1096    o Use cluster local disks for purely local I/O
1097      vs. globally visible disks needed for ctrl stuff
1098      (merged from ecco-branch)
1099      - new active_file_loc... and mdsio_..._loc routines
1100      - affected packages: autodiff, ctrl, grdchk, mdsio
1101    
1102    checkpoint51c_post
1103    o introducing integer flag debugLevel
1104      - debLevZero: suppress all output
1105      - debLevA: standard
1106      - debLevB: equivalent to current debugMode=.TRUE.
1107    o introducing pathname variable mdsioLocalDir for mdsio
1108      that can be specified at runtime
1109      (relevant for cluster I/O to local disk)
1110    `
1111    >>>checkpoint51b_post
1112    adjoint of ptracers
1113    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1114    o extended state in checkpoint_lev?, etc.
1115    o alternative ctrl/cost with tr1 or ptracer
1116    o new comlev1_bibj_ptracers
1117    o new ptracers.flow
1118    o made ptracers_forcing same as external_forcing_s
1119    o added verification for adjoint with ptracers
1120      - adm. grdchk fail so far
1121      - tlm. grdchk OK
1122      - checked tapelev/comlev recomputations: OK
1123    <<<checkpoint51b_pre
1124    
1125    checkpoint51a_post
1126    o added code for biogeochemistry package
1127      - new pkgs: dic, gchem
1128      - new subroutine in ptracers
1129    o modify code for biogeo packages
1130      - in model/src and pkg/ptracers
1131    
1132    checkpoint51
1133    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1134      - autodiff, ctrl, exf, grdchk, seaice
1135      kept separate packages
1136      - cost, ecco, obcs
1137    o updating verification/internal_wave, verification/lab_sea
1138      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1139    
1140    checkpoint50i_post
1141    o Preparing next differentiable checkpoint and sync
1142      of MAIN vs. ecco-branch
1143      - 1st step: this one is differentiable
1144      - 2nd step: next(! not this) checkpoint will have updated packages
1145                  from ecco-branch)
1146    
1147    checkpoint50h_post
1148    o new package "land": provide surface BC for AIM.
1149    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1150    o AIM: use true log-P extrapolation for near surface temp (= as in
1151        F.Molteni paper) ; update aim.5l_cs output.
1152    o New variable in PARM03 for more flexible pickups
1153    o somewhat cleaned package initialisation sequence for
1154      ctrl/ cost/ ecco/ in packages_... routines
1155    
1156    checkpoint50g_post
1157    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1158      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1159      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1160        made the default because of faster convergence than ADI
1161    
1162    checkpoint50f_post
1163    o exf totally restructured
1164      - replaced all exf_set_ routines by one generic exf_set_gen.F
1165        and made sure it's still differentiable
1166      - split exf_getffields.F into new exf_bulkformulae.F
1167      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1168      - updated adjoint/makefile and relevant verif. accordingly
1169    
1170    checkpoint50f_pre
1171     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1172          + change Evap over land. (update aim.5l_cs output)
1173     o added missing .cvsignores and made uniform across expts
1174     o changed configuration of tidal_basin_2d expt
1175     o added pkg/debug functions for tracing code in fatal crashes
1176     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1177     o new fn in pkg/monitor to stop model if solution grows too big
1178     o removed lots of single quotes from comments
1179    
1180    checkpoint50e_post
1181    o make KPP work with PTRACERS
1182     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1183       nearly a copy of kpp_transport_s
1184     - there is no analogue to SurfaceTendencyS, so I have to use
1185       gPtr(of the surface layer) instead
1186    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1187    checkpoint50e_pre
1188    
1189    checkpoint50d_post
1190    o change kpp output from multiple-record state files to single-record state
1191      files analogous to write_state.F
1192    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1193      analogous to the cg2d-related output.
1194    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1195      so that writing to internal file fn (with length 512) fails.
1196    checkpoint50d_pre
1197    
1198    checkpoint50c_post
1199    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1200    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1201    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1202    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1203    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1204    
1205    checkpoint50c_pre
1206    Merging from release1_p13:
1207    o bug fix for pkg/seaice dynamic solver
1208    o Added SEAICE_initialHEFF to pkg/seaice
1209    
1210    checkpoint50b_post
1211    o store u*,v* in gU,V instead of in guNm1,gvNm1
1212    o in order to put the momForcing out of the Adams-Bashforth:
1213      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1214      to timestep.F
1215    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1216    o re-generate output for highly sensitive test-exp:
1217       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1218    
1219    checkpoint50b_pre
1220    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1221    o corrected CPP option mismatch in exf_Bulk... functions for case
1222      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1223    
1224    checkpoint50a_post
1225    o Bug fix for merging between c50 and KPP.
1226      ikey was passed from thermodynamics to kpp_calc via
1227      common block rather than being recomputed in kpp_calc,
1228      in contradiction with new key itdkey.
1229      New key ikppkey created, and tamc.h headers updated.
1230    
1231    checkpoint50
1232    - 2nd step of merge with ecco-branch:
1233      merge changes in ecco-branch back into main trunk
1234    - bug fix in find_alpha
1235    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1236    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1237    - merged some sliced AD support routines
1238    
1239    checkpoint49
1240    merged from ecco-branch:
1241    o exf:
1242      - Enable initialisation of forcing fields to constant
1243        (runtime) values.
1244      - in exf_getffields.F
1245        Reduce i-/j-loop to interior domain, discarding overlaps.
1246        That also fixes wrong TAF-key computations for key_1, key_2
1247        with bulf formulae.
1248      - exf_init.F modify #ifdef for exf_init_evap
1249      - exf_getffieldrec.F, ctrl_getrec.F
1250        The following INT-usages are not safe:
1251          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1252          fldcount = int(fldsecs/fldperiod) + 1
1253        and were modified.
1254    o autodiff: checkpoint_lev...
1255      - updated storing for bulk formulae (some arrays were missing)
1256      - added state for seaice package
1257      - synchronized with main branch
1258    o DIVA:
1259      Modif.s in
1260      - the_main_loop.F
1261      - the_model_main.F
1262      and added cost_final_restore.F cost_final_store.F
1263      o With these changes, it is possible to fully separate
1264        the first forward run to compute the cost function (mdthe_main_loop)
1265        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1266        into separate model executions.
1267        This enables better tuning of DIVA to given queue sizes.
1268      o Loss of cost function value in consecutive DIVA runs is
1269        fixed by storing to 'costfinal' file.
1270      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1271        beginning/end of adjoint integration is accounted for.
1272      The current changes apply to TAF-1.4.26.
1273      TAF has one remaining bug, requiring one manual change
1274      (see MITgcm manual).
1275    o cal: synchronized between MAIN and ecco-branch
1276    
1277    checkpoint48i_post
1278    o Changes to restore differentiability of code w.r.t. previous tag
1279      (mostly adding new routines to make list and replacing
1280      pressure by totPhiHyd).
1281    o Updated and merged grdchk package
1282      - has both ADM and TLM checks
1283      - works for single- and multi-proc.
1284      - output cleaned
1285      - worked successfully for parallel DIVA
1286    o genmake:
1287      - Adding -platform=SP4
1288      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1289    o Modif. for DIVA:
1290      ctrl_unpack should not be called in intermediate DIVA interval.
1291      (similar thing would apply for active files such as
1292      tbar, sbar, psbar, which should not be reinitialised;
1293      only relevant for ecco-branch)
1294    
1295    checkpoint48h_post
1296    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1297    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1298    o Added SEAICE_initialHEFF to pkg/seaice
1299    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1300    
1301    checkpoint48g_post
1302    --- EOS:
1303    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1304      store total Potential in totPhyHyd for diagnostics & EOS.
1305    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1306    --- Pressure/geopotential gradient:
1307    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1308    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1309      ( changes results of global_ocean_pressure )
1310    o NLFS + z-coord.: add eta*Rho' contribution.
1311    o accurate phiHyd when using interface-W at the middle between 2 centers
1312     ( changes results of ideal_2D_oce )
1313    o includes r* 2nd term in potential gradient.
1314    
1315    checkpoint48f_post
1316    Merging from release1_p12:
1317    o Modifications for using pkg/exf with pkg/seaice
1318      - improved description of the various forcing configurations
1319      - added basic radiation bulk formulae to pkg/exf
1320      - units/sign fix for evap computation in exf_getffields.F
1321      - updated verification/global_with_exf/results/output.txt
1322    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1323      (SBO) core products, including oceanic mass, center-of-mass,
1324      angular, and bottom pressure (see pkg/sbo/README.sbo).
1325    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1326      to avoid negative values in shallow regions.
1327      - updated verification/natl_box/results/output.txt
1328      - updated verification/lab_sea/results/output.txt
1329    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1330    o Added useSingleCpuIO option (see PARAMS.h).
1331    o Updated useSingleCpuIO option in mdsio_writefield.F to
1332      work with multi-field files, e.g., for single-file pickup.
1333    o pkg/seaice:
1334      - bug fix in growth.F: QNET for no shortwave case
1335      - added HeffFile for specifying initial sea-ice thickness
1336      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1337    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1338      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1339    o pkg/seaice:
1340      - adjoint-friendly modifications
1341      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1342    
1343    checkpoint48e_post
1344    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1345    o dynamics: change definition of computational domain & adapt mom_fluxform
1346      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1347    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1348        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1349        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1350        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1351        inverted_barometer solid-body.cs-32x32x1
1352      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1353    
1354    checkpoint48d_post
1355    o in preparation for r*:
1356     a) use pre-computed gradient of hydrostatic potential:
1357        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1358     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1359        => affects results of glob_oce_pressure (different truncation error)  
1360      update output.txt of ideal_2D_oce & global_ocean_pressure
1361    
1362    checkpoint48d_pre
1363    o in preparation for r*:
1364      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1365      pass the 2 comp. of the grad. as arguments to momentum S/R.
1366      but for the moment, only used if it does not change the results.
1367    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1368    
1369    checkpoint48c_post
1370    Modifications in treatment of initial flux forcing controls
1371    to avoid extra storing of flux fields.
1372    
1373    checkpoint48c_pre
1374    o Added tidal_basin_2d experiment (currently 1D!)
1375    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1376    
1377    checkpoint48b_post
1378    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1379     (modification to pressure gradient not yet implemented)
1380    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1381      (for U & V) that are used for vertical advection of momentum.
1382    
1383    checkpoint48a_post
1384    o In preparation for r*, use temp. array to compute vertical transport
1385       in flux-form momentum pkg. => change results of few test-exp.
1386      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1387                        lab_sea, natl_box & plume_on_slope
1388    
1389    checkpoint48
1390    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1391    
1392  checkpoint47j_post  checkpoint47j_post
1393  o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.  o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1394  o moved adexch from forward_step to addummy_in_stepping  o moved adexch from forward_step to addummy_in_stepping

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