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revision 1.137 by jmc, Wed Feb 26 03:29:08 2003 UTC revision 1.416 by jmc, Fri Dec 17 00:52:42 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6  untagged  o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
7      this is based directly on what the model compute, so that the content of
8      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
9    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
10    o clean up build options files for SunOS, in particular
11      - remove -traditional from xmakedepend
12      - change -xarch=v9 to -xarch=native for f77
13      - restore use of make (not gmake)
14      - add CC=gcc if using g77
15    o changes per discussion of AM, JMC, & EH3 today:
16      - move redundant "grid" variables out of "state" -- in preparation of
17        creating proper CF-style coordinate variables and in recognition
18        that any/all grid variables can be easily copied (eg. w/NCO) from
19        the grid files into any of the other NetCDF files
20      - *always* output grid variables with MDSIO (this will eventually be
21        changed)
22      - output MNC grid file if useMNC is true
23    o every instance of _END_MASTER() has been found and replaced with
24      _END_MASTER( myThid ) in order to satisfy certain picky Sun
25      preprocessors
26    o re-arrange diagnostics pkg initialisation:
27     - allow each package to extend the available diagnostics list
28     - add some checking and fix small problems (multi-threaded, ...)
29     - new S/R diagnostics_fill (replace fill_diagnostics):
30       look through the short list of active diag. (instead of the long list)
31       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
32    
33    checkpoint57a_post
34    o this set of changes restores TAMC compatibility
35      tested for global_ocean.90x40x15 adjoint on trough
36      (what a pain)
37    
38    checkpoint57a_pre
39    o some modifs in tools/build_options for sunos
40    o call ctrl_pack for ctrl at end for optimcycle=0
41    
42    checkpoint57
43    o add horizontal bi-harmonic viscosity for vertical velocity
44      - new parameter viscA4W (defaults to viscA4)
45      - affects only non-hydrostatic code
46      - to be done: no-slip lateral boundary conditions
47    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
48    o implement Implicit Vertical advection for pTracers
49    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
50      (implemented also for implicit vertical diffusion & advection)
51    o OBCS: extend application of tracer open boundary conditions
52      to a strip beyond the boundary of width Olx/Oly
53    o add call monitor to TAF set of required calls (flow directives)
54      and include in natl_box_adjoint
55    o untangle a few ifdefs related to cost, ctrl, autodiff
56      untangel a few ALLOW_ECCO_OPTIMIZATION
57    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
58      (theta2, salt2 in ecco_cost_weights)
59    
60    checkpoint56c_post
61    o OBCS as control variables
62      - update ctrl_ad_diff.list, obcs_ad_diff.list
63      - remove balance of obcs controls from default
64      - fix index bug nobcs in ctrl_init
65      - fix dummy fields filen in ctrl_pack
66      - add dummy weights for obcs
67    o lsopt: comment out fort.94 output
68    o optim:
69      - remove unnecessary header files
70      - adjusted namelists
71      - add xerbla.F to Makefile
72    o exf:
73      - multiple modifications of exf_check_range
74      - unit change in exf_init_runoff from [m/year] to [m/s]
75    o mdsio:
76      - i/o-vector change debugLevel from debLevA to debLevB
77    
78    checkpoint56b_post
79    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
80      is called from DO_THE_MODEL_IO
81      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
82      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
83      - clean up PTRACERS_WRITE_TIMEAVE a little
84    o add another verification experiment that tests both the cfc-pkg and
85      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
86      reactive tendencies treated inline with regular timestepping
87    o testreport previously did a lousy job of comparing small numbers, so
88      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
89      implemented in the little c-progam tmp_cmpnum.c which is embedded in
90      testreport.
91    o ptracers_monitor: bug fix for MPI
92    
93    checkpoint56a_post
94    o GCHEM: finish reorganizating the package
95      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
96        (introduces another 3D-array for each passive tracer, but only if
97        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
98        gchemTendency is not needed because the timestep is done separately)
99      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
100      - GCHEM is now---more or less cleanly---separate from PTRACERS
101      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
102        so clear to me how that should be done in a general way.
103    o CFC: improve formatting of output in CFC_ATMOS
104    o PTRACERS:
105      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
106        that ALL experiments with ptracers enable can be checked. This makes
107        GCHEM_MONITOR obsolete.
108      - include a runtime parameter PTRACERS_monitorFreq that defaults to
109        monitorFreq
110      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
111    o add PTRACERS (PTR0[1-5]) to testreport output
112    o exf_check_range:
113      * default changed to .TRUE.
114      * will check values for niter0 if debLevA, every timestep if debLevB
115      * STOP in exf_check_range if 'out of range'
116      * range chosen generous to allow for potential extema
117      TBD: a version with stricter range
118           permitted range would be runtime parameters
119    o GMredi:
120      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
121      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
122      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
123    o GCHEM:
124      - move call to GCHEM_FORCING_SEP, so that it is now called before
125        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
126      - introduced a useGCHEM runtime flag and applied it everywhere.
127      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
128        this flag is now only visible within GCHEM-pkg routines.
129      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
130        be replaced by a 3D array that is computed before thermodynamics; for
131        this, the tracer ID iTracer had to be included into the parameter list
132        of ptracers_forcing
133      - set up forward_step to call gchem_forcing, that will replace
134        gchem_forcing_int in ptracers_forcing
135      - cleaning up
136    o small cleaning of exch2: remove files that are also in eesupp/src
137    
138    checkpoint56
139    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
140    o mnc: cleanup "full" files--fixes out-of-memory problem
141    o ECCO-GODAE
142      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
143      * fully merged and updated from SIO code
144        windstress sign change affects
145        - exf_inscal_[u/v]stress
146        - sign of xx_tau[u/v] adjustments
147        - signs in cost_scat
148      * ctrl_get_gen: avoid update of tau[u/v] for first few days
149      * natl_box_adjoint updated and compressed
150      * 2-level checkpoint switch added
151        (tested in EXP. 1 of natl_box_adjoint)
152      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
153    o SVD
154      * first complete, non-hacked version for SVD calculations
155      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
156        performed via direct access files admtlm_vector.it????
157        (via ctrl_[un]pack)
158      * optimcycle is used for ARPACK iteration counter
159        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
160      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
161        and add linear transforms where necessary
162      * controls are initial/final SST, SSS (can be extended; need to check
163        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
164    o mdsio: filename info to both stderr, stdout
165    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
166      from sign change
167    
168    checkpoint55j_post
169    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
170      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
171    o add consistent build directories and .cvsignore files to verification
172    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
173    o make all subroutines 30 or less characters in length for certain older
174      compilers to work (a thorough search only turns up two routines in
175      pkg/ptracers)
176    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
177      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
178    
179    checkpoint55i_post
180    o change arrays for total vertical diffusivity (2.D if explicit,
181      3.D if implicit) ; each ptracer uses its own background value.
182    o added mnc/NetCDF output capability to ocn_compon_interf
183      - added bits to verification/cpl_aim+ocn so that it can run on
184        ITRDA and other clusters without the mpirun "-wd" option
185    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
186      configuration
187    o give MNC the ability to create additional files rather than
188      exceeding a specified file size limit "MNC_MAX_FILESIZE"
189      - the default is just less than 2GB which is a practical limit
190        on many systems
191    o Compute the non-local term using either KPP vertical diffusivity (=default)
192       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
193    
194    checkpoint55h_post
195    o add verification test "vermix"
196    o remove all the *_ioinc flags and replace with the single global
197      outputTypesInclusive flag
198    o allow to set a vertical profile of vertical diffusivity for T & S
199    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
200    o useMNC moved from data.mnc to data.pkg
201    
202    checkpoint55g_post
203    o Renaming carbon AD experiments to comply with testreport conventions
204    o Updating adjoint of Held-Suarez hs94.1x64x5
205    o Fixing directives for non-ECCO forward_step, after ECCO directives
206      have been fixed to avoid recomp. of do_oceanic_phys
207      Works well for global_ocean.90x40x15,
208      but recomp. issue remains for carbon
209    o Updating adjoint output for natl_box_adjoint after
210      pkg/ecco has been modified (see taga c55d_post)
211    
212    checkpoint55f_post
213    o rename to timeave_init_fixed
214    
215    checkpoint55e_post
216    o some delicate re-shuffle of store directives to avoid one
217      extra call of do_oceanic_physics
218      affects ecco_the_main_loop.F, do_oceanic_physics.F
219      checkpoint_lev1_directives.h
220    o NB: this may break global_ocean adjoint temporarily,
221      but it is clear how to fix it. Will do later, need this now.
222    
223    checkpoint55d_post
224    o ECCO specific cost function terms (up-to-date with 1x1 runs)
225    o ecco_cost_weights is modified to 1x1 runs
226    o modifs to allow observations to be read in as
227      single file or yearly files
228    o enable to read exf forcing fields as either
229      single file or yearly files (flag useExfYearlyFields)
230    checkpoint55d_pre
231    
232    o switch between 2-level and 3-level checkpointing
233    o add ability of MNC to write local and "partial" (eg. 2D slices where
234      the full 3D field is never actually stored) arrays to NetCDF files
235      with the correct (that is, the complete multi-dimensional) set of
236      array indicies
237      - used in mom_vecinv() to write the diagFreq output
238      - tested (demonstrated) in verification/aim.5l_cs
239    o further mnc-ification
240      - add verification/lab_sea to the list with mnc setups
241      - fix undefined mnc v-names in cd_code
242      - add kpp to mnc output (both snapshot and timeave)
243    o non-hydrostatic code
244      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
245        in calc_gw.F
246      - defaults to viscAh
247      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
248        friction or Leith) in non-hydrostatic mode, as long as there is
249        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
250    o pkg/cost
251      extend simple cost functions to treat time mean quantities
252      (T,U,V) via cost_accumulate_state from cost_tile
253    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
254        be 2 times larger than the minimum size the advection scheme requires.
255        now get a perfect conservation of salt in advect_cs test-exp (updated)
256    o GGL90 (Gaspar's TKE mixed layer)
257      - add horizontal diffusion of TKE, requires exchanges in
258        do_fields_blocking_exchanges, horizontal diffusivity is zero by
259        default. In OPA there is no horizontal diffusion of TKE but the
260        mixing coefficients are computed from a horizontal average of TKE of
261        6 points or so. I think that diffusion has a little more physical
262        justification.
263      - clean up ggl90_calc in the hope of reducing memory usage (this hope
264        was in vain)
265      - mask tke-variable in ggl90_init
266    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
267    o fix biharmonic diffusion on CS-grid.
268    o more obcs stuff
269      - added obcs_external_fields_load as an alternative to the EXF-pkg option
270        for reading boundary values. This routine is called from
271        obcs_prescribe_read
272      - updated obcs_check
273      - changed sponge layer relaxation parameter units for days to seconds
274      - turned off sponge layer by default
275      - changed argument list of OBCS_CALC to myTime+deltaTclock
276      - fixed about 35 bugs in obcs_external_fields_load
277    
278    checkpoint55c_post
279    o obcs stuff
280      - new runtime flags useOBCSprescribe, useOBCSbalance
281      - re-arranged obcs_calc
282      - moved exf_getobcs to obcs_prescibe_read
283        obcs_prescibe_read is called after ORLANSKI stuff
284        and independent of it (executable can contain all).
285      - updated obcs_check
286      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
287        These may be necessary only if tangential velocities are
288        prescribed at OB, not sure, needs testing.
289    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
290      which simplifies the calls and passes the ifc check-bounds test
291    
292    checkpoint55b_post
293    o add a 2D scalar, Z location, exchange_2 routine.
294    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
295      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
296      affects advect_cs results (for the wrong reason): update output.txt
297    o use a more standard discretization for biharmonic viscosity ;
298     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
299      affects results of dome set-up: update output.txt
300    o fix gad_advection.F (CubedSphere part), back to version 1.23
301    o fix bug in mom_vi_del2uv.F (CubedSphere part).
302    
303    checkpoint55a_post
304    o merged code to
305      * prescribe/read time-dependent open boundaries
306        (works in conjunction with exf, cal)
307      * sponge layer code for open boundaries
308      * each boundary N/S/E/W now has its own CPP option
309        (healthy for the adjoint)
310    
311    checkpoint55
312    o up-to-date adjoint of previous breaks
313      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
314      - global_ocean_ebm: adjoint still needs fix (TLM ok)
315      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
316      - carbon: * remove tr1-related adjoint verification
317                * add ptracer as control variable
318    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
319      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
320    
321    checkpoint54f_post
322    o in verification/carbin/ remove experiment related to
323      ALLOW_PASSIVE_TRACER (array tr1 etc)
324      code_ad/ input_ad/ results_ad
325    
326    o add two new packages
327      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
328        + subject to optimization (memory)
329      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
330        + subject to reordering (many GOTOs in the original code)
331        + so far opps is called for every (i,j) point, and then operates in
332          the vertical; one may want to reorder the scheme in order operate in
333          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
334          fields)
335    o overhaul of IO so that we now have flags for MDSIO and/or MNC
336      - all verification tests compile and run with linux_ia32_g77
337      - defaults are compatible with current input files--nothing
338        should change if you were not previously using MNC
339      - MNC output has been added in numerous places (eg. timeave)
340        but there are still a few writes not yet do-able with MNC
341        (this is in progress)
342      - flags now allow for either/or/both use of MDSIO and MNC and
343        documentation will soon follow
344      - numerous small formatting cleanups for ProTeX
345    o add version info (via BUILD_INFO.h) to MNC and stdout
346    
347    checkpoint54e_post
348    o add two new packages
349      - pp81 (Packanowski and Philander, 1981), Richardson number and
350        stratification dependent mixing
351      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
352      - these scheme operate in a similar manner as KPP (without ghat, of
353        course), however there is only one diffusivity that is used for both
354        temperature and salinity (and passive tracers)ç
355    o add offline package
356    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
357      provided by Stephanie Dutkiewicz
358    o genmake2: add ability to search for C compilers and cleanup test output
359      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
360    
361    checkpoint54d_post
362    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
363    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
364      leading to additional shift by 5 days each year of integration
365       (i.e. leading to considerable offset over the years)
366    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
367    o start with no AB and no initial filtering (staggerTimeStep):
368      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
369    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
370      (external loading & cpl import/export stay in forward_step.F)
371    o update coupling interface to work with new staggerTimeStep
372    o change MDSIO ptracers_pickup.
373    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
374    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
375    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
376    
377    checkpoint54c_post
378    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
379      this affects (truncation error) output.txt of test-exp:
380       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
381    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
382    o change Qnet to always be the net heat flux, (+upward).
383      affects (truncation error) output of natl_box exp.: updated
384    o define the max number of passive tracers in PTRACERS_SIZE.h
385    o start to test mnc routinely in exp0
386    o add sea-ice loading (sIceLoad) as a new forcing field.
387    
388    checkpoint54b_post
389    o add testreport "-j JOBS" option for parallel builds (tested and pretty
390       impressive on Altix and Opteron systems)
391    o diagnostics can now write NetCDF files through the mnc package
392    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
393    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
394    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
395      affects (truncation error) output of lab_sea & natl_box exp.: updated
396    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
397    
398    checkpoint54a_post
399    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
400    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
401    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
402    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
403      + internal_wave (shift in writing cg2d_ini_res)
404    checkpoint54a_pre
405    
406    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
407      - modified verification/lab_sea and natl_box_adjoint accordingly
408    
409    checkpoint54
410    checkpoint53g_post
411    o prepare splitting of thermodynamics: store convect.counter in common block
412    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
413      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
414    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
415    o new parameter "nShapS": allow to treat differently S from T (nShapT)
416    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
417    o restore adjointability
418    
419    checkpoint53f_post
420    o modifications that affect AIM experiment results (update output.txt):
421      - no advection of S at top interface Nr (pkg/generic_advdiff)
422      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
423    o AIM pkg:
424      - include stability function into surf.Flux derivative relative to Tsurf
425      - calculate clear-sky radiation & surface temp. change (for diagnostics)
426    
427    checkpoint53e_post
428    o merged cylindrical coord configuration
429    o added rotating_tank experiment
430    checkpoint53e_pre
431    
432    checkpoint53d_post
433    o faulks upgraded: re-generate output.txt that have changed:
434       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
435    o Added Bryan and Lewis, 1979, vertical diffusivity profile
436    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
437    o added Sadourny discretization of Coriolis
438      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
439      - re-enabled use of omega3 (useAbsVorticity)
440    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
441      vector-invariant equations
442      - note: does *NOT* yet use same variable visc. for no-slip BC's.
443    o recoded the lateral boundary conditions for non-hydrostatic w, this time
444      hopefully without new bugs
445      - still to do: biharmonic friction for non-hydrostatic w
446    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
447    o regenerated output for global_ocean_ebm (using -ieee)
448    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
449      of mom_common/
450      - simple re-arrangement of instructions within computing loop
451    checkpoint53d_pre
452    
453    checkpoint53c_post
454    o new version of coupler for AIM+thSIce and Ocean models
455     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
456     - land: change Evaporation of snow
457     - aim with thSIce: fix bug in snow-precip.
458    o changes to calc_gw.F
459     - bug fix for w^2 term near the bottom boundary
460     - (hopefully) improve the lateral slip boundary condtions for use with
461        partial/looped cells
462      - because the bug fix changes two verification experiments anyway (exp5
463        and plume on slope), change the lateral boundary condition from half slip
464        to the value of no_slip_sides
465    o ebm package wasnt quite up to the parallel task. Fixed that.
466    o Adjoint of EBM package + verification
467      * TLM OK
468      * ADM not sufficient accuracy yet (needs further testing)
469    
470    checkpoint53b_post
471    o Commiting new energy balance model to repository
472      * package is pkg/ebm
473      * verif. is verification/global_ocean_ebm
474      * references are in ebm_driver.F
475    C      * X. Wang, P. Stone and J. Marotzke, 1999:
476    C        Global thermohaline circulation. Part I:
477    C        Sensitivity to atmospheric moisture transport.
478    C        J. Climate 12(1), 71-82
479    C      * X. Wang, P. Stone and J. Marotzke, 1999:
480    C        Global thermohaline circulation. Part II:
481    C        Sensitivity with interactive transport.
482    C        J. Climate 12(1), 83-91
483    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
484    C        Destabilization of the thermohaline circulation
485    C        by atmospheric eddy transports.
486    C        J. Climate 7(12), 1870-1882
487    o Will need long integration testing.
488    checkpoint53b_pre
489    
490    o created pkg/mom_common in preparation for variable viscosity code
491    o renamed and split ini_mnc_io
492    o pkg/land: only liquid water can diffuse or run-off
493    o AIM using land: soil wetness availability account for snow
494    o added printMapIncludesZeros to EEPARMS namelist
495    
496    checkpoint53a_post
497    o restore TAMC compatiility for exf_constants.h
498      (no usage of _d in .h)
499    o Additional storing in KPP in an attempt to fix
500      TAMC problem with adjoint of KPP code.
501      (no success...)
502      Identical code works fine with TAF.
503    o Fixed verification/natl_box_adjoint experiments.
504      Initial conditions for Experiments 4 and 5 are now
505      set to "SEAICE_initialHEFF=0", which is more reasonable,
506      and hence gives results closer to that of Experiment 2.
507      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
508    
509    checkpoint53
510    o stable checkpoint with up to date adjoint
511      TLM tests only run for 1st grdchk at the moment. Its unclear if
512      this is a code problem or a problem with resetting code for g_
513      variables that is being autogenerated wrong.
514      Otherwise:
515       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
516       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
517         are both still in chaos following their security messes.
518    
519    checkpoint52n_post
520    o various build (mostly genmake2) changes including:
521      - ability to build/run more easily within Cygwin and MacOS X
522      - more complicated Makefiles with a stronger dependence on Gnu Make
523    o pkg/seaice modifications
524      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
525        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
526        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
527      - changed proxy for geostrophic velocity and updated
528        verification/lab_sea/results/* accordingly
529      - removed ADI dynamic solver from pkg/seaice
530      - replaced all occurrences of 1/CSTICE or 1/CSUICE
531        they caused a segmentation fault under certain circumstances
532      - removed unused field WATR
533    o bug fix in exf-package:
534      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
535         now reflect that.
536    o small fixes in the cal-package:
537      - set reference date to first of January for the 'model'-calendar
538      - failing of cal_CheckDate in cal_FullDate now actually results in a
539        warning
540    o small modifications in exf-package to increase flexibility:
541      - change climtempfreeze from a constant to a runtime parameter that
542        is specified in data.exf_clim (default = -1.9)
543      - introduce runtime parameter windstressmax (default = 2.0) that is
544        specified in data.exf
545    o fix in pkg/thsice:
546      - update Evap (Tsf changes) to be consistent with Latent heat flux
547      - maintain snow precipitation unchanged (even if Tsf >=0).
548     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
549    
550    checkpoint52m_post
551    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
552      this does not change any of the results, because myIter=0 in swfrac always
553      lead to jwtype=2 (the default anyway), but the call makes little sense
554      as a default
555    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
556    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
557      atmospheric model (AIM) to use it ; add a "slab ocean" component.
558    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
559    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
560    o extending useSingleCpuIO option to work with new exch2 I/O format
561      - old-style, missing-tile I/O is still accessible by defining CPP
562        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
563    o monitor package can write to NetCDF files and/or STDOUT
564    o fix re-definition bug in MNC_GRID_INIT_ALL()
565    o doc/api_reference added
566      - a framework for building an API Reference Manual using all
567        the "protex" comments embedded in the code
568      - see pkg/generic_advdiff, pkg/mnc for examples
569    o MNC:
570      - make myThid the last argument for all subroutines
571      - new default for the grid files: NO halos
572      - add useMNC and other run-time flags
573      - separate per-file-group handling of the unlimited dimension
574      - early initialization of MNC w/ flags read at the eeboot stage
575        and lookup tables set in initialize_fixed
576      - write all MNC output to a freshly-created directory
577    o thermodynamics sea-ice (thsice) is now tested with testreport.
578    o test exp. advect_cs: use the standard cs32 grid ; update output.
579    o Added functionality to grdchk:
580      pick global i,j,k position (or nearest wet) where to perform check.
581    
582    checkpoint52l_post
583    o new land formulation:
584      a) use ground enthalpy as prognostic variable to ensure exact
585         energy conservation.
586      b) account for water temperature and for latent heat of freezing
587         in all processes (rain, run-off, ground storage)
588      c) compute surface and ground temperature implicitly.
589    o aim_v23 modification for new land model:
590      a) Treat separately land / ocean / sea-ice surface fluxes
591         to allow implicit computation of land & sea-ice surface temp.
592      b) add snow precipitation.
593    checkpoint52l_pre
594    
595    o fix problem (when 1 tile is empty) in min/max monitor.
596    o fix bug in timeAve (u,vZetatave in common block)
597    o no restoring terms under ice for pkg/seaice
598    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
599    o bug fix for pkg/seaice pickups
600    o change MNC call locations and add coordinate attributes
601    o mask vorticity at the corner ; affects global_ocean.cs output
602    o fix ini_curvilinear_grid ; test CS experiments with mpi
603    o aim.5l_cs: modify sea-ice fraction input file ; update output
604    o exf: Adding simple range check routine for exf fields after read
605    
606    checkpoint52k_post
607    o removed top-level directory "diags"
608      - we migrated these functions to pkg/timeave a long time ago
609    o fixed bug introduced in pkg/monitor
610    o accuracy ctrlprec = 32 insuffient for gradient checks using
611      averaged fields (I/O via cost_averages)
612      -> use ctrl.h in active_file*.F to control I/O precision.
613    o paramter list of CALL ADTHE_MAIN_LOOP
614    o added initial do_the_model_io to ecco
615    o set all ...Freq to zero after cost_final
616      taveFreq, dumpFreq, pChkptFreq
617    o MAIN and ECCO differentiability restored
618    
619    checkpoint52j_post
620    o fix nchklev in tamc.h for global_ocean...
621    o Bringing flow and store directives up-to-date
622    o Really weird thing!
623      call do_the_model_io from the_main_loop with parameters
624      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
625      TAF places a faulty re-call of initialise_varia
626      after cost_final call which should not be there!
627    checkpoint52j_pre
628    
629    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
630      error messages
631    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
632    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
633      debug output
634    o modfied mdsio_writefield.F to handle non-global files under exch2
635    o update AIM Cubed-Sphere exp (aim.5l_cs):
636      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
637    o update AIM Equatorial Channel exp:
638      use standard aim_v23 pkg and change the SST fields to be more realistic.
639    o globalFile now works with exch2
640    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
641      mon_vort3.F to make exch2 friendly with >1 tile per cube face
642    o limit timeave output for hi-res integrations
643    
644    checkpoint52i_post
645    o removed CPP_EEOPTIONS.h from verification/*/code
646    o updated the tiling for global_ocean_pressure
647    checkpoint52i_pre
648    
649    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
650      the old pkg/aim).
651    
652    checkpoint52h_pre
653    o shortened offending lines in exch2_send_rx?.template
654    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
655    o genmake2: add build & execute test for NetCDF code
656    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
657      old grid files, moved CPP_EEMACROS.h to pkg/exch2
658    o added useSingleCPUIO flag to monitor.F and mon_out.F
659    o added temporary hack for sea-ice dynamics on the cube:
660      metric terms are ignored and it is assumed that
661      there is no sea-ice on cube faces 1, 2, 4, and 5.
662    
663    checkpoint52f_post
664    o added exch2 cube routines to pkg/exch2
665    o modified hs94.cs-32x32x5 to use it
666    o added new grid files to hs94.cs-32x32x5
667    checkpoint52f_pre
668    
669    checkpoint52e_post
670    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
671      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
672    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
673      to work with implicit vertical advection and AB ;
674    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
675    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
676     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
677    checkpoint52e_pre
678    
679    o fix bug in impldiff when Nr=1 or Nr=2.
680    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
681    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
682    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
683      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
684    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
685    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
686    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
687    
688    checkpoint52d_post
689    o re-tiled many expts to allow comparison in multi-processor mode
690      - updated output accordingly
691      - changed hs94.128x64x5 to use intial T from file rather than use the
692        random number generator
693    o add infrastructure in model routines for fizhi and gridalt packages
694    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
695    o changes to permit hi-res, cubed-sphere, configuration
696      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
697      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
698      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
699        of surface winds for the cube
700      (A verification experiment, based on global_ocean.cs32x15, but with
701       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
702       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
703       complete with example surface forcing files and matlab scripts to look
704       at the output and compare it with that of global_ocean.cs32x15.)
705    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
706       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
707       to conform to the common rule.
708    o check-in the first version of the coupler + interfaces for multi-components
709       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
710       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
711       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
712       - ocean and atmos. share the same horizontal grid (no interpolation).
713       - exchanges between component and coupler is done in forward_step
714    o new verification experiment, cpl_aim+ocn:
715       coupled ocean - AIM atmosphere on cs32 grid.
716    
717    checkpoint52d_pre
718    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
719    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
720    
721    checkpoint52c_post
722    o Fixing OPTIONS files for use of exf:
723      - ALLOW_ECCO not needed
724      - ECCO_CPPOPTIONS.h should not be included from
725        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
726        as has been the case in the past
727      - All cal/exf related options are currently set in
728        single header file. Should remain so until we
729        agree on a consistent new policy.
730    o Removed all CPP options for cal package.
731      cal has no more CPP options.
732    o modified STOREs in GAD_ADVECTION
733    o corrected key comp. for passkey
734    
735    checkpoint52b_post
736    o new version: "thsice" of thermodynamic sea-ice pkg:
737     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
738     - modify fluxes but do not change theta directly;
739     - light cleaning of bulk_force pkg (still needed with thsice).
740     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
741       + output_thsice.txt to test thsice & bulk_force pkgs.
742    o put back grid & coriolis monitor output.
743    checkpoint52b_pre
744    
745    o call "do_the_model_io" at the beginning (=> dump initial state)
746    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
747    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
748      (need info on NUMBER_OF_PTRACERS)
749    o missing PTRACERS headers in some routines
750    o default tamc.h in pkg/autodiff supposed to crash
751      to ensure proper customization
752    
753    checkpoint52a_post
754    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
755      - moved surfaceTendencyTice from pkg/seaice to main code
756      - subroutine FREEZE_SURFACE now limits only surface temperature
757        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
758        => new output.txt for global_ocean.cs32x15 & global_with_exf
759      - keep the old version of FREEZE for backward compatibility;
760        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
761      - corresponding modifs for TAF directives
762    o added surface flux output variables to TIMEAVE_STATVARS
763    o time-averaged output for pkg/ptracers
764    o fix problem with ECCO-related divided adjoint
765      snapshot file was missing some ad-variables,
766      but no warning issued by TAF
767    
768    checkpoint52a_pre
769    o some bug fixes for #undef REAL4_IS_SLOW
770    
771    checkpoint52 = ecco_c52_e35
772    o after testing adjoints of checkpoint51u_post
773    
774    checkpoint51u_post
775    o this is the post-merge tag of the ecco-branch
776      (needs another clean checkout and re-testing)
777    o various natl_box_adjoint configs and results
778      but no input fields
779    o obcs adjoint not yet merged!
780    o adding ECCO global 1x1 and 2x2 degree configs
781    o updated/extended some store directives for seaice
782    o pkg/ecco now containes ecco-specific part of cost function
783    o top level routines the_main_loop, forward_step
784      supersede those in model/src/
785      previous input data.cost now in data.ecco
786      (new namelist ecco_cost_nml)
787    o in ctrl/ cleaned some cross-dependencies and updated CPP options
788    
789    checkpoint51t_post
790    o this is the pre-merge tag of the ecco-branch
791    
792    checkpoint51s_post
793    o cleanup: removed various obsolete #define-s
794    o pkg/grdchk
795      - renamed 'ph-grd 3' to 'grad-res'
796      - merged from ecco-branch
797        (remaining bug fixes for obcs gradient checks)
798      - additional high-precision output for testreport
799        (grep for 'precision_grdchk_result')
800    
801    checkpoint51r_post
802    o cleaned up or removed CPP_OPTIONS.h files
803    o updated results for some of the tests to reflect the new
804      optfiles (-ieee: -O0 instead of -O3)
805    
806    checkpoint51q_post
807    o cd_code:
808      - moved cd_scheme.F -> cd_code_scheme.F
809      - separate read_checkpoint from cd_code_ini_vars.F
810      - separated cd_code part from write_checkpoint
811      - updated AD_SOURCE, generated .flow
812      - added CD_CODE_VARS.h to the_main_loop
813      - Moving cd_code specific store dir.s to pkg/cd_code
814    o ctrl package totally restructured
815      - pack/unpack now optional and decoupled from
816        xx_/adxx_ I/O
817      - ctrl_pack/unpack cleaned
818        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
819      - confined inclusion of AD_CONFIG.h to where necessary.
820    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
821    
822    checkpoint51p_post
823    o create initial cd_code package
824      - WARNING: the initialization of fields within packages
825        is broken because INI_FIELDS (where READ_CHECKPOINT is
826        called) is called *before* PACKAGES_INIT_VARIABLES.
827        This seems to be backwards since
828        1) its important to initially zero the entire field including
829           the "halo" region
830        2) zeroing needs to be done *before* reading pickup info
831           and the pickup call might or might not happen in any
832           particular run
833      - this needs an overhaul for R2
834    o cleanup verification/*/code/GMREDI_OPTIONS.h
835    o cleanup testreport
836    
837    checkpoint51o_post
838    o bringing AD-related verif's up to date with genmake2
839      - carbon/
840      - global_ocean.90x40x15/
841      - hs.94.1x64x5/
842      - (front_relax/ )
843    o (more) consistent directory structure for AD-related verif.'s
844    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
845    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
846    o bug fix in find_alpha.F for MDJWF:
847      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
848        change rho -> rho-rhoConst
849      - replace call find_rho to find_rhonum
850    o initialisation of rFlx extended to full array (required by TAF)
851      and shifted to thermodynamics
852    o removed PTRACERS.h in ptracers routine
853    o added surfacetendencyPtr to S/R parameter list pracers_forcing
854    o Correcting initialisations for fVerU, fVerV.
855    o helping TAF to recognize dependency on kUp for
856      fVerU, fVerV
857    o Replacing delZ by delR in pkg/ctrl/
858    checkpoint51o_pre
859    
860    o undid all of cp51 pending some cleanups and discussion
861    o added the [#include "AD_CONFIG.h"] statement to all files that need
862       it for adjoint/tl #defines
863     o re-worked the build logic in genmake2 to support AD_CONFIG.h
864     o removed tools/genmake since it no longer works
865    
866    checkpoint51n_post
867    o modifications to make FREEZE flux visible to pkg/kpp
868      - moved surfaceTendencyTice from pkg/seaice to main code
869      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
870      - subroutine FREEZE now limits only surface temperature
871        (this means new output.txt for global_ocean.90x40x15,
872         global_ocean.cs32x15, and global_with_exf)
873    o added surface flux output variables to TIMEAVE_STATVARS
874    
875    checkpoint51n_pre
876    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
877    o added [#include "AD_CONFIG.h"] to all files that use the following
878      defines:
879      - ALLOW_ADJOINT_RUN
880      - ALLOW_TANGENTLINEAR_RUN
881      - ALLOW_ECCO_OPTIMIZATION
882    
883    checkpoint51m_post
884    o incorporating changes to get TAMC/TAF working in genmake2
885      - added new TAMC/TAF targets to the Makefile
886      - various cleanups related to package handling
887      - these changes should have no impact on the forward model
888    
889    checkpoint51l_post
890    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
891     - faster algorithm for cal_addtime.F
892     - higher precision arithmetic, where needed
893     - pkg/exf *startdate variables changed from calendar date to
894       model integration time
895    
896    checkpoint51l_pre
897    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
898    o enable to apply restoring on S & T only in a latitude band.
899    o update output (external_forcing_surf modif. change truncation errors)
900       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
901    
902    checkpoint51k_post
903    o change default to: useNHMTerms=.FALSE.
904     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
905       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
906     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
907        exp1, ideal_2D_oce
908     - change data file of oceanic exp (leave the results unchanged for now)
909       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
910    o set gravitySign automatically according to the vertical coordinate used
911      (and change sign: back to "logical" value: +1 when R increases downward)
912    o added an include barrier to the default CPP_OPTIONS.h and
913      removed the #include "PACKAGES_CONFIG.h" from it
914    o fix a bug in mom_fluxform (from chk51j_post)
915    
916    checkpoint51j_post
917    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
918    o adjusted some flow directives (dynamics, thermodynamics)
919    o added cubed-sphere case to test cost function
920    o heckpoint_lev?_directives.h now include
921      pkg-specific directives, whenever those are enabled.
922    o Moving pkg-specific flow directives to corresponding pkg
923      Moving pkg-specific differentiation list to corresponding pkg
924      Moving pkg-specific checkpoint-lev storing to corresponding pkg
925      ---> conventions are
926           - pkg_ad.flow
927           - pkg_ad_diff.list
928           - pkg_ad_check_lev?_dir.h
929    
930    checkpoint51i_post
931    o merge of the branch-genmake2
932      - knowingly breaks the older genmake
933      - automatic generation of all ALLOW_${PKG_NAME} defines
934      - new testreport supersedes older testscript
935    o large number of package inclusion and header cleanups
936    checkpoint51i_pre
937    
938    o new output for adjoin of global ocean vector invariant
939    o fix for checkpoint of thermodynamic seaice and bulk_force
940    o Steph gchem various cleanups
941    
942    checkpoint 51h_pre
943    o fixed some single quotes
944    o modify gchem pkg to be more versatile
945    o modifications to clean up dic pkg
946    o add pkg/cfc
947    
948    checkpoint51g_post
949    o provide links for ARPACK and ADM*TLM
950    o start removing verification/vero/
951    o update AD-related stuff
952      (in particular some IF-statements in model/src/ routines)
953    o adding to verification/global_ocean.90x40x15/ adjoint of
954      vector invariant setup
955    
956    checkpoint51f_post
957    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
958    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
959      of tracer Green's fucntions for ocean inversion project.
960    
961    checkpoint51f_pre
962    o Added on-the-fly spatial interpolation capability
963        "USE_EXF_INTERPOLATION" to pkg/exf.
964      - This is a temporary Cartesian-grid hack until
965        the super-duper ESMF coupler becomes available.
966      - See verification/global_with_exf/README for usage example.
967      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
968        flags and modified pkg/seaice accordingly.
969    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
970        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
971        non-local transport term.
972    
973    checkpoint51e_post
974    o pkg/mom_vecinv:
975      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
976      - add time-ave diagnostic of vorticity advection.
977    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
978    o atmospheric geopotential: - include water vapor effect;
979                                - use p^kappa in p* scaling.
980    o land pkg: read initial state from files.
981    o AIM : add stratospheric drag in the upper level
982    
983    checkpoint51d_post
984    o change function ILNBLNK (=> last non-blank char.) to return zero
985      (instead of the string length) when the string. char is empty
986    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
987    o modif's to restore TAMC compatibility
988      - avoid "_d" constructs in PARAMETER declarations
989      - avoid interrupting lines by comment lines
990    o Use cluster local disks for purely local I/O
991      vs. globally visible disks needed for ctrl stuff
992      (merged from ecco-branch)
993      - new active_file_loc... and mdsio_..._loc routines
994      - affected packages: autodiff, ctrl, grdchk, mdsio
995    
996    checkpoint51c_post
997    o introducing integer flag debugLevel
998      - debLevZero: suppress all output
999      - debLevA: standard
1000      - debLevB: equivalent to current debugMode=.TRUE.
1001    o introducing pathname variable mdsioLocalDir for mdsio
1002      that can be specified at runtime
1003      (relevant for cluster I/O to local disk)
1004    `
1005    >>>checkpoint51b_post
1006    adjoint of ptracers
1007    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1008    o extended state in checkpoint_lev?, etc.
1009    o alternative ctrl/cost with tr1 or ptracer
1010    o new comlev1_bibj_ptracers
1011    o new ptracers.flow
1012    o made ptracers_forcing same as external_forcing_s
1013    o added verification for adjoint with ptracers
1014      - adm. grdchk fail so far
1015      - tlm. grdchk OK
1016      - checked tapelev/comlev recomputations: OK
1017    <<<checkpoint51b_pre
1018    
1019    checkpoint51a_post
1020    o added code for biogeochemistry package
1021      - new pkgs: dic, gchem
1022      - new subroutine in ptracers
1023    o modify code for biogeo packages
1024      - in model/src and pkg/ptracers
1025    
1026    checkpoint51
1027    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1028      - autodiff, ctrl, exf, grdchk, seaice
1029      kept separate packages
1030      - cost, ecco, obcs
1031    o updating verification/internal_wave, verification/lab_sea
1032      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1033    
1034    checkpoint50i_post
1035    o Preparing next differentiable checkpoint and sync
1036      of MAIN vs. ecco-branch
1037      - 1st step: this one is differentiable
1038      - 2nd step: next(! not this) checkpoint will have updated packages
1039                  from ecco-branch)
1040    
1041    checkpoint50h_post
1042    o new package "land": provide surface BC for AIM.
1043    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1044    o AIM: use true log-P extrapolation for near surface temp (= as in
1045        F.Molteni paper) ; update aim.5l_cs output.
1046    o New variable in PARM03 for more flexible pickups
1047    o somewhat cleaned package initialisation sequence for
1048      ctrl/ cost/ ecco/ in packages_... routines
1049    
1050    checkpoint50g_post
1051    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1052      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1053      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1054        made the default because of faster convergence than ADI
1055    
1056    checkpoint50f_post
1057    o exf totally restructured
1058      - replaced all exf_set_ routines by one generic exf_set_gen.F
1059        and made sure it's still differentiable
1060      - split exf_getffields.F into new exf_bulkformulae.F
1061      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1062      - updated adjoint/makefile and relevant verif. accordingly
1063    
1064    checkpoint50f_pre
1065     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1066          + change Evap over land. (update aim.5l_cs output)
1067     o added missing .cvsignores and made uniform across expts
1068     o changed configuration of tidal_basin_2d expt
1069     o added pkg/debug functions for tracing code in fatal crashes
1070     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1071     o new fn in pkg/monitor to stop model if solution grows too big
1072     o removed lots of single quotes from comments
1073    
1074    checkpoint50e_post
1075    o make KPP work with PTRACERS
1076     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1077       nearly a copy of kpp_transport_s
1078     - there is no analogue to SurfaceTendencyS, so I have to use
1079       gPtr(of the surface layer) instead
1080    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1081    checkpoint50e_pre
1082    
1083    checkpoint50d_post
1084    o change kpp output from multiple-record state files to single-record state
1085      files analogous to write_state.F
1086    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1087      analogous to the cg2d-related output.
1088    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1089      so that writing to internal file fn (with length 512) fails.
1090    checkpoint50d_pre
1091    
1092    checkpoint50c_post
1093    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1094    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1095    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1096    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1097    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1098    
1099    checkpoint50c_pre
1100    Merging from release1_p13:
1101    o bug fix for pkg/seaice dynamic solver
1102    o Added SEAICE_initialHEFF to pkg/seaice
1103    
1104    checkpoint50b_post
1105    o store u*,v* in gU,V instead of in guNm1,gvNm1
1106    o in order to put the momForcing out of the Adams-Bashforth:
1107      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1108      to timestep.F
1109    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1110    o re-generate output for highly sensitive test-exp:
1111       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1112    
1113    checkpoint50b_pre
1114    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1115    o corrected CPP option mismatch in exf_Bulk... functions for case
1116      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1117    
1118    checkpoint50a_post
1119    o Bug fix for merging between c50 and KPP.
1120      ikey was passed from thermodynamics to kpp_calc via
1121      common block rather than being recomputed in kpp_calc,
1122      in contradiction with new key itdkey.
1123      New key ikppkey created, and tamc.h headers updated.
1124    
1125    checkpoint50
1126    - 2nd step of merge with ecco-branch:
1127      merge changes in ecco-branch back into main trunk
1128    - bug fix in find_alpha
1129    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1130    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1131    - merged some sliced AD support routines
1132    
1133    checkpoint49
1134    merged from ecco-branch:
1135    o exf:
1136      - Enable initialisation of forcing fields to constant
1137        (runtime) values.
1138      - in exf_getffields.F
1139        Reduce i-/j-loop to interior domain, discarding overlaps.
1140        That also fixes wrong TAF-key computations for key_1, key_2
1141        with bulf formulae.
1142      - exf_init.F modify #ifdef for exf_init_evap
1143      - exf_getffieldrec.F, ctrl_getrec.F
1144        The following INT-usages are not safe:
1145          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1146          fldcount = int(fldsecs/fldperiod) + 1
1147        and were modified.
1148    o autodiff: checkpoint_lev...
1149      - updated storing for bulk formulae (some arrays were missing)
1150      - added state for seaice package
1151      - synchronized with main branch
1152    o DIVA:
1153      Modif.s in
1154      - the_main_loop.F
1155      - the_model_main.F
1156      and added cost_final_restore.F cost_final_store.F
1157      o With these changes, it is possible to fully separate
1158        the first forward run to compute the cost function (mdthe_main_loop)
1159        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1160        into separate model executions.
1161        This enables better tuning of DIVA to given queue sizes.
1162      o Loss of cost function value in consecutive DIVA runs is
1163        fixed by storing to 'costfinal' file.
1164      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1165        beginning/end of adjoint integration is accounted for.
1166      The current changes apply to TAF-1.4.26.
1167      TAF has one remaining bug, requiring one manual change
1168      (see MITgcm manual).
1169    o cal: synchronized between MAIN and ecco-branch
1170    
1171    checkpoint48i_post
1172    o Changes to restore differentiability of code w.r.t. previous tag
1173      (mostly adding new routines to make list and replacing
1174      pressure by totPhiHyd).
1175    o Updated and merged grdchk package
1176      - has both ADM and TLM checks
1177      - works for single- and multi-proc.
1178      - output cleaned
1179      - worked successfully for parallel DIVA
1180    o genmake:
1181      - Adding -platform=SP4
1182      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1183    o Modif. for DIVA:
1184      ctrl_unpack should not be called in intermediate DIVA interval.
1185      (similar thing would apply for active files such as
1186      tbar, sbar, psbar, which should not be reinitialised;
1187      only relevant for ecco-branch)
1188    
1189    checkpoint48h_post
1190  o improve "ini_p_ground" when using finite difference form for calc_phi_hyd  o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1191  o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F  o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1192  o Added SEAICE_initialHEFF to pkg/seaice  o Added SEAICE_initialHEFF to pkg/seaice
1193    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1194    
1195  checkpoint48g_post  checkpoint48g_post
1196  --- EOS:  --- EOS:

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