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revision 1.204 by heimbach, Thu Nov 6 22:52:11 2003 UTC revision 1.448 by edhill, Wed Feb 9 17:34:19 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 make genmake2 more portable by using ".$FS" instead of ".f" for more
7      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
8    o add coordinate variables to the MNC output from the diagnostics package
9    o change MNC-flags default value: true when useMNC=TRUE
10    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
11      the ability (off by default) to read the grid information using MNC
12    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
13    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
14    o do snap-shot diagnostics at the middle of the time-interval (instead of
15      at the end).
16    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
17      new test for AIM with thSIce + slab-ocean
18    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
19    o move state variable diagnostics to the beginning of the time step ;
20      (note: still needs some work specially for snap-shot diagnostics)
21      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
22    
23    checkpoint57c_post
24    o Change testing option (-ieee) to get closer agreement between g77 & ifort
25    o generate new output.txt files on faulks with g77 & the new -ieee option
26    checkpoint57c_pre
27    
28    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
29      update output.txt of exp. global_ocean.90x40x15
30    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
31      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
32    o add saltFlux(+File) forcing capability with periodicExternalForcing
33    o allow to use pkg diagnostics for GM-Redi & ThSIce output
34    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
35    o improvements for the MNC output from DIAGNOSTICS:
36      - correct handling of the unlimitied dimension
37      - all dims now have associated coordinate variables
38      - variables located at U, V, and Corner ("Z") points are now written
39        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
40        *all* data points are output
41    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
42    o added pkg/seaice/seaice_monitor.F
43    o mdsio_readfield.F can now read files visible only to master MPI process.
44    o pkg/seaice: some test code for ice-modified ocean stress
45    o exf_getffields interpolation defaults to bilinear for all scalar forcing
46      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
47      spurious negative numbers for precipitation and humidity.  Will cause
48      some small numerical differences for integrations using pkg/exf/exf_interp.F.
49    o pkg/ctrl/
50      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
51        May be enabled via doPackDiag
52      *  introduce z-scaling of
53         + gradient (doZscalePack) and
54         + control (doZscaleUnpack)
55    o pkg/mdsio/
56      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
57      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
58    
59    checkpoint57b_post
60    o simplify options in diagnostics_fill arguments (remove weird combinations)
61    o fix MNC coordinate variables so that they now contain per-face index
62      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
63      general, EXCH2 grids are only aligned to a "local" coordinate system
64    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
65    o Implement instantaneous output within pkg diagnostics:
66      setting a negative frequency in data.diagnostics produces
67     "snap-shot" output (as opposed to time-average if freq > 0)
68    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
69      NOTE: change ptracer diagnostics name: use 2 characters to work with
70            more than 9 tracers. Add also diagnostics of advect & diffus flux.
71    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
72      becomes the coordinate variable for the 'T' dimension
73    o add CF-style coordinate variables to MNC
74      - just a first cut:  numbers are meaningless on the cubesphere and
75        missing along the T axis but otherwise it works!
76    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
77    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
78    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
79      this is based directly on what the model compute, so that the content of
80      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
81    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
82    o clean up build options files for SunOS, in particular
83      - remove -traditional from xmakedepend
84      - change -xarch=v9 to -xarch=native for f77
85      - restore use of make (not gmake)
86      - add CC=gcc if using g77
87    o changes per discussion of AM, JMC, & EH3 today:
88      - move redundant "grid" variables out of "state" -- in preparation of
89        creating proper CF-style coordinate variables and in recognition
90        that any/all grid variables can be easily copied (eg. w/NCO) from
91        the grid files into any of the other NetCDF files
92      - *always* output grid variables with MDSIO (this will eventually be
93        changed)
94      - output MNC grid file if useMNC is true
95    o every instance of _END_MASTER() has been found and replaced with
96      _END_MASTER( myThid ) in order to satisfy certain picky Sun
97      preprocessors
98    o re-arrange diagnostics pkg initialisation:
99     - allow each package to extend the available diagnostics list
100     - add some checking and fix small problems (multi-threaded, ...)
101     - new S/R diagnostics_fill (replace fill_diagnostics):
102       look through the short list of active diag. (instead of the long list)
103       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
104    
105    checkpoint57a_post
106    o this set of changes restores TAMC compatibility
107      tested for global_ocean.90x40x15 adjoint on trough
108      (what a pain)
109    
110    checkpoint57a_pre
111    o some modifs in tools/build_options for sunos
112    o call ctrl_pack for ctrl at end for optimcycle=0
113    
114    checkpoint57
115    o add horizontal bi-harmonic viscosity for vertical velocity
116      - new parameter viscA4W (defaults to viscA4)
117      - affects only non-hydrostatic code
118      - to be done: no-slip lateral boundary conditions
119    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
120    o implement Implicit Vertical advection for pTracers
121    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
122      (implemented also for implicit vertical diffusion & advection)
123    o OBCS: extend application of tracer open boundary conditions
124      to a strip beyond the boundary of width Olx/Oly
125    o add call monitor to TAF set of required calls (flow directives)
126      and include in natl_box_adjoint
127    o untangle a few ifdefs related to cost, ctrl, autodiff
128      untangel a few ALLOW_ECCO_OPTIMIZATION
129    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
130      (theta2, salt2 in ecco_cost_weights)
131    
132    checkpoint56c_post
133    o OBCS as control variables
134      - update ctrl_ad_diff.list, obcs_ad_diff.list
135      - remove balance of obcs controls from default
136      - fix index bug nobcs in ctrl_init
137      - fix dummy fields filen in ctrl_pack
138      - add dummy weights for obcs
139    o lsopt: comment out fort.94 output
140    o optim:
141      - remove unnecessary header files
142      - adjusted namelists
143      - add xerbla.F to Makefile
144    o exf:
145      - multiple modifications of exf_check_range
146      - unit change in exf_init_runoff from [m/year] to [m/s]
147    o mdsio:
148      - i/o-vector change debugLevel from debLevA to debLevB
149    
150    checkpoint56b_post
151    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
152      is called from DO_THE_MODEL_IO
153      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
154      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
155      - clean up PTRACERS_WRITE_TIMEAVE a little
156    o add another verification experiment that tests both the cfc-pkg and
157      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
158      reactive tendencies treated inline with regular timestepping
159    o testreport previously did a lousy job of comparing small numbers, so
160      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
161      implemented in the little c-progam tmp_cmpnum.c which is embedded in
162      testreport.
163    o ptracers_monitor: bug fix for MPI
164    
165    checkpoint56a_post
166    o GCHEM: finish reorganizating the package
167      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
168        (introduces another 3D-array for each passive tracer, but only if
169        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
170        gchemTendency is not needed because the timestep is done separately)
171      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
172      - GCHEM is now---more or less cleanly---separate from PTRACERS
173      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
174        so clear to me how that should be done in a general way.
175    o CFC: improve formatting of output in CFC_ATMOS
176    o PTRACERS:
177      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
178        that ALL experiments with ptracers enable can be checked. This makes
179        GCHEM_MONITOR obsolete.
180      - include a runtime parameter PTRACERS_monitorFreq that defaults to
181        monitorFreq
182      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
183    o add PTRACERS (PTR0[1-5]) to testreport output
184    o exf_check_range:
185      * default changed to .TRUE.
186      * will check values for niter0 if debLevA, every timestep if debLevB
187      * STOP in exf_check_range if 'out of range'
188      * range chosen generous to allow for potential extema
189      TBD: a version with stricter range
190           permitted range would be runtime parameters
191    o GMredi:
192      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
193      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
194      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
195    o GCHEM:
196      - move call to GCHEM_FORCING_SEP, so that it is now called before
197        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
198      - introduced a useGCHEM runtime flag and applied it everywhere.
199      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
200        this flag is now only visible within GCHEM-pkg routines.
201      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
202        be replaced by a 3D array that is computed before thermodynamics; for
203        this, the tracer ID iTracer had to be included into the parameter list
204        of ptracers_forcing
205      - set up forward_step to call gchem_forcing, that will replace
206        gchem_forcing_int in ptracers_forcing
207      - cleaning up
208    o small cleaning of exch2: remove files that are also in eesupp/src
209    
210    checkpoint56
211    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
212    o mnc: cleanup "full" files--fixes out-of-memory problem
213    o ECCO-GODAE
214      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
215      * fully merged and updated from SIO code
216        windstress sign change affects
217        - exf_inscal_[u/v]stress
218        - sign of xx_tau[u/v] adjustments
219        - signs in cost_scat
220      * ctrl_get_gen: avoid update of tau[u/v] for first few days
221      * natl_box_adjoint updated and compressed
222      * 2-level checkpoint switch added
223        (tested in EXP. 1 of natl_box_adjoint)
224      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
225    o SVD
226      * first complete, non-hacked version for SVD calculations
227      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
228        performed via direct access files admtlm_vector.it????
229        (via ctrl_[un]pack)
230      * optimcycle is used for ARPACK iteration counter
231        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
232      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
233        and add linear transforms where necessary
234      * controls are initial/final SST, SSS (can be extended; need to check
235        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
236    o mdsio: filename info to both stderr, stdout
237    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
238      from sign change
239    
240    checkpoint55j_post
241    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
242      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
243    o add consistent build directories and .cvsignore files to verification
244    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
245    o make all subroutines 30 or less characters in length for certain older
246      compilers to work (a thorough search only turns up two routines in
247      pkg/ptracers)
248    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
249      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
250    
251    checkpoint55i_post
252    o change arrays for total vertical diffusivity (2.D if explicit,
253      3.D if implicit) ; each ptracer uses its own background value.
254    o added mnc/NetCDF output capability to ocn_compon_interf
255      - added bits to verification/cpl_aim+ocn so that it can run on
256        ITRDA and other clusters without the mpirun "-wd" option
257    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
258      configuration
259    o give MNC the ability to create additional files rather than
260      exceeding a specified file size limit "MNC_MAX_FILESIZE"
261      - the default is just less than 2GB which is a practical limit
262        on many systems
263    o Compute the non-local term using either KPP vertical diffusivity (=default)
264       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
265    
266    checkpoint55h_post
267    o add verification test "vermix"
268    o remove all the *_ioinc flags and replace with the single global
269      outputTypesInclusive flag
270    o allow to set a vertical profile of vertical diffusivity for T & S
271    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
272    o useMNC moved from data.mnc to data.pkg
273    
274    checkpoint55g_post
275    o Renaming carbon AD experiments to comply with testreport conventions
276    o Updating adjoint of Held-Suarez hs94.1x64x5
277    o Fixing directives for non-ECCO forward_step, after ECCO directives
278      have been fixed to avoid recomp. of do_oceanic_phys
279      Works well for global_ocean.90x40x15,
280      but recomp. issue remains for carbon
281    o Updating adjoint output for natl_box_adjoint after
282      pkg/ecco has been modified (see taga c55d_post)
283    
284    checkpoint55f_post
285    o rename to timeave_init_fixed
286    
287    checkpoint55e_post
288    o some delicate re-shuffle of store directives to avoid one
289      extra call of do_oceanic_physics
290      affects ecco_the_main_loop.F, do_oceanic_physics.F
291      checkpoint_lev1_directives.h
292    o NB: this may break global_ocean adjoint temporarily,
293      but it is clear how to fix it. Will do later, need this now.
294    
295    checkpoint55d_post
296    o ECCO specific cost function terms (up-to-date with 1x1 runs)
297    o ecco_cost_weights is modified to 1x1 runs
298    o modifs to allow observations to be read in as
299      single file or yearly files
300    o enable to read exf forcing fields as either
301      single file or yearly files (flag useExfYearlyFields)
302    checkpoint55d_pre
303    
304    o switch between 2-level and 3-level checkpointing
305    o add ability of MNC to write local and "partial" (eg. 2D slices where
306      the full 3D field is never actually stored) arrays to NetCDF files
307      with the correct (that is, the complete multi-dimensional) set of
308      array indicies
309      - used in mom_vecinv() to write the diagFreq output
310      - tested (demonstrated) in verification/aim.5l_cs
311    o further mnc-ification
312      - add verification/lab_sea to the list with mnc setups
313      - fix undefined mnc v-names in cd_code
314      - add kpp to mnc output (both snapshot and timeave)
315    o non-hydrostatic code
316      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
317        in calc_gw.F
318      - defaults to viscAh
319      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
320        friction or Leith) in non-hydrostatic mode, as long as there is
321        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
322    o pkg/cost
323      extend simple cost functions to treat time mean quantities
324      (T,U,V) via cost_accumulate_state from cost_tile
325    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
326        be 2 times larger than the minimum size the advection scheme requires.
327        now get a perfect conservation of salt in advect_cs test-exp (updated)
328    o GGL90 (Gaspar's TKE mixed layer)
329      - add horizontal diffusion of TKE, requires exchanges in
330        do_fields_blocking_exchanges, horizontal diffusivity is zero by
331        default. In OPA there is no horizontal diffusion of TKE but the
332        mixing coefficients are computed from a horizontal average of TKE of
333        6 points or so. I think that diffusion has a little more physical
334        justification.
335      - clean up ggl90_calc in the hope of reducing memory usage (this hope
336        was in vain)
337      - mask tke-variable in ggl90_init
338    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
339    o fix biharmonic diffusion on CS-grid.
340    o more obcs stuff
341      - added obcs_external_fields_load as an alternative to the EXF-pkg option
342        for reading boundary values. This routine is called from
343        obcs_prescribe_read
344      - updated obcs_check
345      - changed sponge layer relaxation parameter units for days to seconds
346      - turned off sponge layer by default
347      - changed argument list of OBCS_CALC to myTime+deltaTclock
348      - fixed about 35 bugs in obcs_external_fields_load
349    
350    checkpoint55c_post
351    o obcs stuff
352      - new runtime flags useOBCSprescribe, useOBCSbalance
353      - re-arranged obcs_calc
354      - moved exf_getobcs to obcs_prescibe_read
355        obcs_prescibe_read is called after ORLANSKI stuff
356        and independent of it (executable can contain all).
357      - updated obcs_check
358      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
359        These may be necessary only if tangential velocities are
360        prescribed at OB, not sure, needs testing.
361    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
362      which simplifies the calls and passes the ifc check-bounds test
363    
364    checkpoint55b_post
365    o add a 2D scalar, Z location, exchange_2 routine.
366    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
367      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
368      affects advect_cs results (for the wrong reason): update output.txt
369    o use a more standard discretization for biharmonic viscosity ;
370     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
371      affects results of dome set-up: update output.txt
372    o fix gad_advection.F (CubedSphere part), back to version 1.23
373    o fix bug in mom_vi_del2uv.F (CubedSphere part).
374    
375    checkpoint55a_post
376    o merged code to
377      * prescribe/read time-dependent open boundaries
378        (works in conjunction with exf, cal)
379      * sponge layer code for open boundaries
380      * each boundary N/S/E/W now has its own CPP option
381        (healthy for the adjoint)
382    
383    checkpoint55
384    o up-to-date adjoint of previous breaks
385      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
386      - global_ocean_ebm: adjoint still needs fix (TLM ok)
387      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
388      - carbon: * remove tr1-related adjoint verification
389                * add ptracer as control variable
390    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
391      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
392    
393    checkpoint54f_post
394    o in verification/carbin/ remove experiment related to
395      ALLOW_PASSIVE_TRACER (array tr1 etc)
396      code_ad/ input_ad/ results_ad
397    
398    o add two new packages
399      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
400        + subject to optimization (memory)
401      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
402        + subject to reordering (many GOTOs in the original code)
403        + so far opps is called for every (i,j) point, and then operates in
404          the vertical; one may want to reorder the scheme in order operate in
405          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
406          fields)
407    o overhaul of IO so that we now have flags for MDSIO and/or MNC
408      - all verification tests compile and run with linux_ia32_g77
409      - defaults are compatible with current input files--nothing
410        should change if you were not previously using MNC
411      - MNC output has been added in numerous places (eg. timeave)
412        but there are still a few writes not yet do-able with MNC
413        (this is in progress)
414      - flags now allow for either/or/both use of MDSIO and MNC and
415        documentation will soon follow
416      - numerous small formatting cleanups for ProTeX
417    o add version info (via BUILD_INFO.h) to MNC and stdout
418    
419    checkpoint54e_post
420    o add two new packages
421      - pp81 (Packanowski and Philander, 1981), Richardson number and
422        stratification dependent mixing
423      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
424      - these scheme operate in a similar manner as KPP (without ghat, of
425        course), however there is only one diffusivity that is used for both
426        temperature and salinity (and passive tracers)ç
427    o add offline package
428    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
429      provided by Stephanie Dutkiewicz
430    o genmake2: add ability to search for C compilers and cleanup test output
431      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
432    
433    checkpoint54d_post
434    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
435    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
436      leading to additional shift by 5 days each year of integration
437       (i.e. leading to considerable offset over the years)
438    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
439    o start with no AB and no initial filtering (staggerTimeStep):
440      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
441    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
442      (external loading & cpl import/export stay in forward_step.F)
443    o update coupling interface to work with new staggerTimeStep
444    o change MDSIO ptracers_pickup.
445    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
446    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
447    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
448    
449    checkpoint54c_post
450    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
451      this affects (truncation error) output.txt of test-exp:
452       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
453    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
454    o change Qnet to always be the net heat flux, (+upward).
455      affects (truncation error) output of natl_box exp.: updated
456    o define the max number of passive tracers in PTRACERS_SIZE.h
457    o start to test mnc routinely in exp0
458    o add sea-ice loading (sIceLoad) as a new forcing field.
459    
460    checkpoint54b_post
461    o add testreport "-j JOBS" option for parallel builds (tested and pretty
462       impressive on Altix and Opteron systems)
463    o diagnostics can now write NetCDF files through the mnc package
464    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
465    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
466    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
467      affects (truncation error) output of lab_sea & natl_box exp.: updated
468    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
469    
470    checkpoint54a_post
471    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
472    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
473    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
474    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
475      + internal_wave (shift in writing cg2d_ini_res)
476    checkpoint54a_pre
477    
478    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
479      - modified verification/lab_sea and natl_box_adjoint accordingly
480    
481    checkpoint54
482    checkpoint53g_post
483    o prepare splitting of thermodynamics: store convect.counter in common block
484    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
485      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
486    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
487    o new parameter "nShapS": allow to treat differently S from T (nShapT)
488    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
489    o restore adjointability
490    
491    checkpoint53f_post
492    o modifications that affect AIM experiment results (update output.txt):
493      - no advection of S at top interface Nr (pkg/generic_advdiff)
494      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
495    o AIM pkg:
496      - include stability function into surf.Flux derivative relative to Tsurf
497      - calculate clear-sky radiation & surface temp. change (for diagnostics)
498    
499    checkpoint53e_post
500    o merged cylindrical coord configuration
501    o added rotating_tank experiment
502    checkpoint53e_pre
503    
504    checkpoint53d_post
505    o faulks upgraded: re-generate output.txt that have changed:
506       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
507    o Added Bryan and Lewis, 1979, vertical diffusivity profile
508    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
509    o added Sadourny discretization of Coriolis
510      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
511      - re-enabled use of omega3 (useAbsVorticity)
512    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
513      vector-invariant equations
514      - note: does *NOT* yet use same variable visc. for no-slip BC's.
515    o recoded the lateral boundary conditions for non-hydrostatic w, this time
516      hopefully without new bugs
517      - still to do: biharmonic friction for non-hydrostatic w
518    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
519    o regenerated output for global_ocean_ebm (using -ieee)
520    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
521      of mom_common/
522      - simple re-arrangement of instructions within computing loop
523    checkpoint53d_pre
524    
525    checkpoint53c_post
526    o new version of coupler for AIM+thSIce and Ocean models
527     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
528     - land: change Evaporation of snow
529     - aim with thSIce: fix bug in snow-precip.
530    o changes to calc_gw.F
531     - bug fix for w^2 term near the bottom boundary
532     - (hopefully) improve the lateral slip boundary condtions for use with
533        partial/looped cells
534      - because the bug fix changes two verification experiments anyway (exp5
535        and plume on slope), change the lateral boundary condition from half slip
536        to the value of no_slip_sides
537    o ebm package wasnt quite up to the parallel task. Fixed that.
538    o Adjoint of EBM package + verification
539      * TLM OK
540      * ADM not sufficient accuracy yet (needs further testing)
541    
542    checkpoint53b_post
543    o Commiting new energy balance model to repository
544      * package is pkg/ebm
545      * verif. is verification/global_ocean_ebm
546      * references are in ebm_driver.F
547    C      * X. Wang, P. Stone and J. Marotzke, 1999:
548    C        Global thermohaline circulation. Part I:
549    C        Sensitivity to atmospheric moisture transport.
550    C        J. Climate 12(1), 71-82
551    C      * X. Wang, P. Stone and J. Marotzke, 1999:
552    C        Global thermohaline circulation. Part II:
553    C        Sensitivity with interactive transport.
554    C        J. Climate 12(1), 83-91
555    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
556    C        Destabilization of the thermohaline circulation
557    C        by atmospheric eddy transports.
558    C        J. Climate 7(12), 1870-1882
559    o Will need long integration testing.
560    checkpoint53b_pre
561    
562    o created pkg/mom_common in preparation for variable viscosity code
563    o renamed and split ini_mnc_io
564    o pkg/land: only liquid water can diffuse or run-off
565    o AIM using land: soil wetness availability account for snow
566    o added printMapIncludesZeros to EEPARMS namelist
567    
568    checkpoint53a_post
569    o restore TAMC compatiility for exf_constants.h
570      (no usage of _d in .h)
571    o Additional storing in KPP in an attempt to fix
572      TAMC problem with adjoint of KPP code.
573      (no success...)
574      Identical code works fine with TAF.
575    o Fixed verification/natl_box_adjoint experiments.
576      Initial conditions for Experiments 4 and 5 are now
577      set to "SEAICE_initialHEFF=0", which is more reasonable,
578      and hence gives results closer to that of Experiment 2.
579      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
580    
581    checkpoint53
582    o stable checkpoint with up to date adjoint
583      TLM tests only run for 1st grdchk at the moment. Its unclear if
584      this is a code problem or a problem with resetting code for g_
585      variables that is being autogenerated wrong.
586      Otherwise:
587       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
588       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
589         are both still in chaos following their security messes.
590    
591    checkpoint52n_post
592    o various build (mostly genmake2) changes including:
593      - ability to build/run more easily within Cygwin and MacOS X
594      - more complicated Makefiles with a stronger dependence on Gnu Make
595    o pkg/seaice modifications
596      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
597        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
598        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
599      - changed proxy for geostrophic velocity and updated
600        verification/lab_sea/results/* accordingly
601      - removed ADI dynamic solver from pkg/seaice
602      - replaced all occurrences of 1/CSTICE or 1/CSUICE
603        they caused a segmentation fault under certain circumstances
604      - removed unused field WATR
605    o bug fix in exf-package:
606      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
607         now reflect that.
608    o small fixes in the cal-package:
609      - set reference date to first of January for the 'model'-calendar
610      - failing of cal_CheckDate in cal_FullDate now actually results in a
611        warning
612    o small modifications in exf-package to increase flexibility:
613      - change climtempfreeze from a constant to a runtime parameter that
614        is specified in data.exf_clim (default = -1.9)
615      - introduce runtime parameter windstressmax (default = 2.0) that is
616        specified in data.exf
617    o fix in pkg/thsice:
618      - update Evap (Tsf changes) to be consistent with Latent heat flux
619      - maintain snow precipitation unchanged (even if Tsf >=0).
620     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
621    
622    checkpoint52m_post
623    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
624      this does not change any of the results, because myIter=0 in swfrac always
625      lead to jwtype=2 (the default anyway), but the call makes little sense
626      as a default
627    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
628    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
629      atmospheric model (AIM) to use it ; add a "slab ocean" component.
630    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
631    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
632    o extending useSingleCpuIO option to work with new exch2 I/O format
633      - old-style, missing-tile I/O is still accessible by defining CPP
634        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
635    o monitor package can write to NetCDF files and/or STDOUT
636    o fix re-definition bug in MNC_GRID_INIT_ALL()
637    o doc/api_reference added
638      - a framework for building an API Reference Manual using all
639        the "protex" comments embedded in the code
640      - see pkg/generic_advdiff, pkg/mnc for examples
641    o MNC:
642      - make myThid the last argument for all subroutines
643      - new default for the grid files: NO halos
644      - add useMNC and other run-time flags
645      - separate per-file-group handling of the unlimited dimension
646      - early initialization of MNC w/ flags read at the eeboot stage
647        and lookup tables set in initialize_fixed
648      - write all MNC output to a freshly-created directory
649    o thermodynamics sea-ice (thsice) is now tested with testreport.
650    o test exp. advect_cs: use the standard cs32 grid ; update output.
651    o Added functionality to grdchk:
652      pick global i,j,k position (or nearest wet) where to perform check.
653    
654    checkpoint52l_post
655    o new land formulation:
656      a) use ground enthalpy as prognostic variable to ensure exact
657         energy conservation.
658      b) account for water temperature and for latent heat of freezing
659         in all processes (rain, run-off, ground storage)
660      c) compute surface and ground temperature implicitly.
661    o aim_v23 modification for new land model:
662      a) Treat separately land / ocean / sea-ice surface fluxes
663         to allow implicit computation of land & sea-ice surface temp.
664      b) add snow precipitation.
665    checkpoint52l_pre
666    
667    o fix problem (when 1 tile is empty) in min/max monitor.
668    o fix bug in timeAve (u,vZetatave in common block)
669    o no restoring terms under ice for pkg/seaice
670    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
671    o bug fix for pkg/seaice pickups
672    o change MNC call locations and add coordinate attributes
673    o mask vorticity at the corner ; affects global_ocean.cs output
674    o fix ini_curvilinear_grid ; test CS experiments with mpi
675    o aim.5l_cs: modify sea-ice fraction input file ; update output
676    o exf: Adding simple range check routine for exf fields after read
677    
678    checkpoint52k_post
679    o removed top-level directory "diags"
680      - we migrated these functions to pkg/timeave a long time ago
681    o fixed bug introduced in pkg/monitor
682    o accuracy ctrlprec = 32 insuffient for gradient checks using
683      averaged fields (I/O via cost_averages)
684      -> use ctrl.h in active_file*.F to control I/O precision.
685    o paramter list of CALL ADTHE_MAIN_LOOP
686    o added initial do_the_model_io to ecco
687    o set all ...Freq to zero after cost_final
688      taveFreq, dumpFreq, pChkptFreq
689    o MAIN and ECCO differentiability restored
690    
691    checkpoint52j_post
692    o fix nchklev in tamc.h for global_ocean...
693    o Bringing flow and store directives up-to-date
694    o Really weird thing!
695      call do_the_model_io from the_main_loop with parameters
696      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
697      TAF places a faulty re-call of initialise_varia
698      after cost_final call which should not be there!
699    checkpoint52j_pre
700    
701    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
702      error messages
703    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
704    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
705      debug output
706    o modfied mdsio_writefield.F to handle non-global files under exch2
707    o update AIM Cubed-Sphere exp (aim.5l_cs):
708      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
709    o update AIM Equatorial Channel exp:
710      use standard aim_v23 pkg and change the SST fields to be more realistic.
711    o globalFile now works with exch2
712    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
713      mon_vort3.F to make exch2 friendly with >1 tile per cube face
714    o limit timeave output for hi-res integrations
715    
716    checkpoint52i_post
717    o removed CPP_EEOPTIONS.h from verification/*/code
718    o updated the tiling for global_ocean_pressure
719    checkpoint52i_pre
720    
721    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
722      the old pkg/aim).
723    
724    checkpoint52h_pre
725    o shortened offending lines in exch2_send_rx?.template
726    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
727    o genmake2: add build & execute test for NetCDF code
728    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
729      old grid files, moved CPP_EEMACROS.h to pkg/exch2
730    o added useSingleCPUIO flag to monitor.F and mon_out.F
731    o added temporary hack for sea-ice dynamics on the cube:
732      metric terms are ignored and it is assumed that
733      there is no sea-ice on cube faces 1, 2, 4, and 5.
734    
735    checkpoint52f_post
736    o added exch2 cube routines to pkg/exch2
737    o modified hs94.cs-32x32x5 to use it
738    o added new grid files to hs94.cs-32x32x5
739    checkpoint52f_pre
740    
741    checkpoint52e_post
742    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
743      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
744    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
745      to work with implicit vertical advection and AB ;
746    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
747    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
748     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
749    checkpoint52e_pre
750    
751    o fix bug in impldiff when Nr=1 or Nr=2.
752    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
753    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
754    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
755      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
756    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
757    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
758    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
759    
760    checkpoint52d_post
761    o re-tiled many expts to allow comparison in multi-processor mode
762      - updated output accordingly
763      - changed hs94.128x64x5 to use intial T from file rather than use the
764        random number generator
765    o add infrastructure in model routines for fizhi and gridalt packages
766    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
767    o changes to permit hi-res, cubed-sphere, configuration
768      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
769      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
770      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
771        of surface winds for the cube
772      (A verification experiment, based on global_ocean.cs32x15, but with
773       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
774       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
775       complete with example surface forcing files and matlab scripts to look
776       at the output and compare it with that of global_ocean.cs32x15.)
777    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
778       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
779       to conform to the common rule.
780    o check-in the first version of the coupler + interfaces for multi-components
781       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
782       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
783       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
784       - ocean and atmos. share the same horizontal grid (no interpolation).
785       - exchanges between component and coupler is done in forward_step
786    o new verification experiment, cpl_aim+ocn:
787       coupled ocean - AIM atmosphere on cs32 grid.
788    
789    checkpoint52d_pre
790    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
791    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
792    
793    checkpoint52c_post
794    o Fixing OPTIONS files for use of exf:
795      - ALLOW_ECCO not needed
796      - ECCO_CPPOPTIONS.h should not be included from
797        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
798        as has been the case in the past
799      - All cal/exf related options are currently set in
800        single header file. Should remain so until we
801        agree on a consistent new policy.
802    o Removed all CPP options for cal package.
803      cal has no more CPP options.
804    o modified STOREs in GAD_ADVECTION
805    o corrected key comp. for passkey
806    
807    checkpoint52b_post
808    o new version: "thsice" of thermodynamic sea-ice pkg:
809     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
810     - modify fluxes but do not change theta directly;
811     - light cleaning of bulk_force pkg (still needed with thsice).
812     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
813       + output_thsice.txt to test thsice & bulk_force pkgs.
814    o put back grid & coriolis monitor output.
815    checkpoint52b_pre
816    
817    o call "do_the_model_io" at the beginning (=> dump initial state)
818    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
819    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
820      (need info on NUMBER_OF_PTRACERS)
821    o missing PTRACERS headers in some routines
822    o default tamc.h in pkg/autodiff supposed to crash
823      to ensure proper customization
824    
825    checkpoint52a_post
826    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
827      - moved surfaceTendencyTice from pkg/seaice to main code
828      - subroutine FREEZE_SURFACE now limits only surface temperature
829        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
830        => new output.txt for global_ocean.cs32x15 & global_with_exf
831      - keep the old version of FREEZE for backward compatibility;
832        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
833      - corresponding modifs for TAF directives
834    o added surface flux output variables to TIMEAVE_STATVARS
835    o time-averaged output for pkg/ptracers
836    o fix problem with ECCO-related divided adjoint
837      snapshot file was missing some ad-variables,
838      but no warning issued by TAF
839    
840    checkpoint52a_pre
841    o some bug fixes for #undef REAL4_IS_SLOW
842    
843    checkpoint52 = ecco_c52_e35
844    o after testing adjoints of checkpoint51u_post
845    
846  checkpoint51u_post  checkpoint51u_post
847  o this is the post-merge tag of the ecco-branch  o this is the post-merge tag of the ecco-branch
848    (needs another clean checkout and re-testing)    (needs another clean checkout and re-testing)

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