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revision 1.113 by dimitri, Sat Dec 28 10:11:10 2002 UTC revision 1.388 by mlosch, Fri Nov 19 01:35:33 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o GCHEM:
7      - move call to GCHEM_FORCING_SEP, so that it is now called before
8        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
9      - introduced a useGCHEM runtime flag and applied it everywhere.
10    
11    checkpoint56
12    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
13    o mnc: cleanup "full" files--fixes out-of-memory problem
14    o ECCO-GODAE
15      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
16      * fully merged and updated from SIO code
17        windstress sign change affects
18        - exf_inscal_[u/v]stress
19        - sign of xx_tau[u/v] adjustments
20        - signs in cost_scat
21      * ctrl_get_gen: avoid update of tau[u/v] for first few days
22      * natl_box_adjoint updated and compressed
23      * 2-level checkpoint switch added
24        (tested in EXP. 1 of natl_box_adjoint)
25      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
26    o SVD
27      * first complete, non-hacked version for SVD calculations
28      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
29        performed via direct access files admtlm_vector.it????
30        (via ctrl_[un]pack)
31      * optimcycle is used for ARPACK iteration counter
32        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
33      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
34        and add linear transforms where necessary
35      * controls are initial/final SST, SSS (can be extended; need to check
36        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
37    o mdsio: filename info to both stderr, stdout
38    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
39      from sign change
40    
41    checkpoint55j_post
42    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
43      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
44    o add consistent build directories and .cvsignore files to verification
45    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
46    o make all subroutines 30 or less characters in length for certain older
47      compilers to work (a thorough search only turns up two routines in
48      pkg/ptracers)
49    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
50      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
51    
52    checkpoint55i_post
53    o change arrays for total vertical diffusivity (2.D if explicit,
54      3.D if implicit) ; each ptracer uses its own background value.
55    o added mnc/NetCDF output capability to ocn_compon_interf
56      - added bits to verification/cpl_aim+ocn so that it can run on
57        ITRDA and other clusters without the mpirun "-wd" option
58    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
59      configuration
60    o give MNC the ability to create additional files rather than
61      exceeding a specified file size limit "MNC_MAX_FILESIZE"
62      - the default is just less than 2GB which is a practical limit
63        on many systems
64    o Compute the non-local term using either KPP vertical diffusivity (=default)
65       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
66    
67    checkpoint55h_post
68    o add verification test "vermix"
69    o remove all the *_ioinc flags and replace with the single global
70      outputTypesInclusive flag
71    o allow to set a vertical profile of vertical diffusivity for T & S
72    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
73    o useMNC moved from data.mnc to data.pkg
74    
75    checkpoint55g_post
76    o Renaming carbon AD experiments to comply with testreport conventions
77    o Updating adjoint of Held-Suarez hs94.1x64x5
78    o Fixing directives for non-ECCO forward_step, after ECCO directives
79      have been fixed to avoid recomp. of do_oceanic_phys
80      Works well for global_ocean.90x40x15,
81      but recomp. issue remains for carbon
82    o Updating adjoint output for natl_box_adjoint after
83      pkg/ecco has been modified (see taga c55d_post)
84    
85    checkpoint55f_post
86    o rename to timeave_init_fixed
87    
88    checkpoint55e_post
89    o some delicate re-shuffle of store directives to avoid one
90      extra call of do_oceanic_physics
91      affects ecco_the_main_loop.F, do_oceanic_physics.F
92      checkpoint_lev1_directives.h
93    o NB: this may break global_ocean adjoint temporarily,
94      but it is clear how to fix it. Will do later, need this now.
95    
96    checkpoint55d_post
97    o ECCO specific cost function terms (up-to-date with 1x1 runs)
98    o ecco_cost_weights is modified to 1x1 runs
99    o modifs to allow observations to be read in as
100      single file or yearly files
101    o enable to read exf forcing fields as either
102      single file or yearly files (flag useExfYearlyFields)
103    checkpoint55d_pre
104    
105    o switch between 2-level and 3-level checkpointing
106    o add ability of MNC to write local and "partial" (eg. 2D slices where
107      the full 3D field is never actually stored) arrays to NetCDF files
108      with the correct (that is, the complete multi-dimensional) set of
109      array indicies
110      - used in mom_vecinv() to write the diagFreq output
111      - tested (demonstrated) in verification/aim.5l_cs
112    o further mnc-ification
113      - add verification/lab_sea to the list with mnc setups
114      - fix undefined mnc v-names in cd_code
115      - add kpp to mnc output (both snapshot and timeave)
116    o non-hydrostatic code
117      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
118        in calc_gw.F
119      - defaults to viscAh
120      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
121        friction or Leith) in non-hydrostatic mode, as long as there is
122        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
123    o pkg/cost
124      extend simple cost functions to treat time mean quantities
125      (T,U,V) via cost_accumulate_state from cost_tile
126    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
127        be 2 times larger than the minimum size the advection scheme requires.
128        now get a perfect conservation of salt in advect_cs test-exp (updated)
129    o GGL90 (Gaspar's TKE mixed layer)
130      - add horizontal diffusion of TKE, requires exchanges in
131        do_fields_blocking_exchanges, horizontal diffusivity is zero by
132        default. In OPA there is no horizontal diffusion of TKE but the
133        mixing coefficients are computed from a horizontal average of TKE of
134        6 points or so. I think that diffusion has a little more physical
135        justification.
136      - clean up ggl90_calc in the hope of reducing memory usage (this hope
137        was in vain)
138      - mask tke-variable in ggl90_init
139    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
140    o fix biharmonic diffusion on CS-grid.
141    o more obcs stuff
142      - added obcs_external_fields_load as an alternative to the EXF-pkg option
143        for reading boundary values. This routine is called from
144        obcs_prescribe_read
145      - updated obcs_check
146      - changed sponge layer relaxation parameter units for days to seconds
147      - turned off sponge layer by default
148      - changed argument list of OBCS_CALC to myTime+deltaTclock
149      - fixed about 35 bugs in obcs_external_fields_load
150    
151    checkpoint55c_post
152    o obcs stuff
153      - new runtime flags useOBCSprescribe, useOBCSbalance
154      - re-arranged obcs_calc
155      - moved exf_getobcs to obcs_prescibe_read
156        obcs_prescibe_read is called after ORLANSKI stuff
157        and independent of it (executable can contain all).
158      - updated obcs_check
159      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
160        These may be necessary only if tangential velocities are
161        prescribed at OB, not sure, needs testing.
162    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
163      which simplifies the calls and passes the ifc check-bounds test
164    
165    checkpoint55b_post
166    o add a 2D scalar, Z location, exchange_2 routine.
167    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
168      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
169      affects advect_cs results (for the wrong reason): update output.txt
170    o use a more standard discretization for biharmonic viscosity ;
171     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
172      affects results of dome set-up: update output.txt
173    o fix gad_advection.F (CubedSphere part), back to version 1.23
174    o fix bug in mom_vi_del2uv.F (CubedSphere part).
175    
176    checkpoint55a_post
177    o merged code to
178      * prescribe/read time-dependent open boundaries
179        (works in conjunction with exf, cal)
180      * sponge layer code for open boundaries
181      * each boundary N/S/E/W now has its own CPP option
182        (healthy for the adjoint)
183    
184    checkpoint55
185    o up-to-date adjoint of previous breaks
186      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
187      - global_ocean_ebm: adjoint still needs fix (TLM ok)
188      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
189      - carbon: * remove tr1-related adjoint verification
190                * add ptracer as control variable
191    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
192      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
193    
194    checkpoint54f_post
195    o in verification/carbin/ remove experiment related to
196      ALLOW_PASSIVE_TRACER (array tr1 etc)
197      code_ad/ input_ad/ results_ad
198    
199    o add two new packages
200      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
201        + subject to optimization (memory)
202      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
203        + subject to reordering (many GOTOs in the original code)
204        + so far opps is called for every (i,j) point, and then operates in
205          the vertical; one may want to reorder the scheme in order operate in
206          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
207          fields)
208    o overhaul of IO so that we now have flags for MDSIO and/or MNC
209      - all verification tests compile and run with linux_ia32_g77
210      - defaults are compatible with current input files--nothing
211        should change if you were not previously using MNC
212      - MNC output has been added in numerous places (eg. timeave)
213        but there are still a few writes not yet do-able with MNC
214        (this is in progress)
215      - flags now allow for either/or/both use of MDSIO and MNC and
216        documentation will soon follow
217      - numerous small formatting cleanups for ProTeX
218    o add version info (via BUILD_INFO.h) to MNC and stdout
219    
220    checkpoint54e_post
221    o add two new packages
222      - pp81 (Packanowski and Philander, 1981), Richardson number and
223        stratification dependent mixing
224      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
225      - these scheme operate in a similar manner as KPP (without ghat, of
226        course), however there is only one diffusivity that is used for both
227        temperature and salinity (and passive tracers)ç
228    o add offline package
229    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
230      provided by Stephanie Dutkiewicz
231    o genmake2: add ability to search for C compilers and cleanup test output
232      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
233    
234    checkpoint54d_post
235    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
236    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
237      leading to additional shift by 5 days each year of integration
238       (i.e. leading to considerable offset over the years)
239    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
240    o start with no AB and no initial filtering (staggerTimeStep):
241      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
242    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
243      (external loading & cpl import/export stay in forward_step.F)
244    o update coupling interface to work with new staggerTimeStep
245    o change MDSIO ptracers_pickup.
246    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
247    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
248    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
249    
250    checkpoint54c_post
251    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
252      this affects (truncation error) output.txt of test-exp:
253       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
254    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
255    o change Qnet to always be the net heat flux, (+upward).
256      affects (truncation error) output of natl_box exp.: updated
257    o define the max number of passive tracers in PTRACERS_SIZE.h
258    o start to test mnc routinely in exp0
259    o add sea-ice loading (sIceLoad) as a new forcing field.
260    
261    checkpoint54b_post
262    o add testreport "-j JOBS" option for parallel builds (tested and pretty
263       impressive on Altix and Opteron systems)
264    o diagnostics can now write NetCDF files through the mnc package
265    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
266    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
267    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
268      affects (truncation error) output of lab_sea & natl_box exp.: updated
269    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
270    
271    checkpoint54a_post
272    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
273    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
274    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
275    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
276      + internal_wave (shift in writing cg2d_ini_res)
277    checkpoint54a_pre
278    
279    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
280      - modified verification/lab_sea and natl_box_adjoint accordingly
281    
282    checkpoint54
283    checkpoint53g_post
284    o prepare splitting of thermodynamics: store convect.counter in common block
285    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
286      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
287    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
288    o new parameter "nShapS": allow to treat differently S from T (nShapT)
289    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
290    o restore adjointability
291    
292    checkpoint53f_post
293    o modifications that affect AIM experiment results (update output.txt):
294      - no advection of S at top interface Nr (pkg/generic_advdiff)
295      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
296    o AIM pkg:
297      - include stability function into surf.Flux derivative relative to Tsurf
298      - calculate clear-sky radiation & surface temp. change (for diagnostics)
299    
300    checkpoint53e_post
301    o merged cylindrical coord configuration
302    o added rotating_tank experiment
303    checkpoint53e_pre
304    
305    checkpoint53d_post
306    o faulks upgraded: re-generate output.txt that have changed:
307       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
308    o Added Bryan and Lewis, 1979, vertical diffusivity profile
309    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
310    o added Sadourny discretization of Coriolis
311      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
312      - re-enabled use of omega3 (useAbsVorticity)
313    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
314      vector-invariant equations
315      - note: does *NOT* yet use same variable visc. for no-slip BC's.
316    o recoded the lateral boundary conditions for non-hydrostatic w, this time
317      hopefully without new bugs
318      - still to do: biharmonic friction for non-hydrostatic w
319    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
320    o regenerated output for global_ocean_ebm (using -ieee)
321    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
322      of mom_common/
323      - simple re-arrangement of instructions within computing loop
324    checkpoint53d_pre
325    
326    checkpoint53c_post
327    o new version of coupler for AIM+thSIce and Ocean models
328     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
329     - land: change Evaporation of snow
330     - aim with thSIce: fix bug in snow-precip.
331    o changes to calc_gw.F
332     - bug fix for w^2 term near the bottom boundary
333     - (hopefully) improve the lateral slip boundary condtions for use with
334        partial/looped cells
335      - because the bug fix changes two verification experiments anyway (exp5
336        and plume on slope), change the lateral boundary condition from half slip
337        to the value of no_slip_sides
338    o ebm package wasnt quite up to the parallel task. Fixed that.
339    o Adjoint of EBM package + verification
340      * TLM OK
341      * ADM not sufficient accuracy yet (needs further testing)
342    
343    checkpoint53b_post
344    o Commiting new energy balance model to repository
345      * package is pkg/ebm
346      * verif. is verification/global_ocean_ebm
347      * references are in ebm_driver.F
348    C      * X. Wang, P. Stone and J. Marotzke, 1999:
349    C        Global thermohaline circulation. Part I:
350    C        Sensitivity to atmospheric moisture transport.
351    C        J. Climate 12(1), 71-82
352    C      * X. Wang, P. Stone and J. Marotzke, 1999:
353    C        Global thermohaline circulation. Part II:
354    C        Sensitivity with interactive transport.
355    C        J. Climate 12(1), 83-91
356    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
357    C        Destabilization of the thermohaline circulation
358    C        by atmospheric eddy transports.
359    C        J. Climate 7(12), 1870-1882
360    o Will need long integration testing.
361    checkpoint53b_pre
362    
363    o created pkg/mom_common in preparation for variable viscosity code
364    o renamed and split ini_mnc_io
365    o pkg/land: only liquid water can diffuse or run-off
366    o AIM using land: soil wetness availability account for snow
367    o added printMapIncludesZeros to EEPARMS namelist
368    
369    checkpoint53a_post
370    o restore TAMC compatiility for exf_constants.h
371      (no usage of _d in .h)
372    o Additional storing in KPP in an attempt to fix
373      TAMC problem with adjoint of KPP code.
374      (no success...)
375      Identical code works fine with TAF.
376    o Fixed verification/natl_box_adjoint experiments.
377      Initial conditions for Experiments 4 and 5 are now
378      set to "SEAICE_initialHEFF=0", which is more reasonable,
379      and hence gives results closer to that of Experiment 2.
380      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
381    
382    checkpoint53
383    o stable checkpoint with up to date adjoint
384      TLM tests only run for 1st grdchk at the moment. Its unclear if
385      this is a code problem or a problem with resetting code for g_
386      variables that is being autogenerated wrong.
387      Otherwise:
388       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
389       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
390         are both still in chaos following their security messes.
391    
392    checkpoint52n_post
393    o various build (mostly genmake2) changes including:
394      - ability to build/run more easily within Cygwin and MacOS X
395      - more complicated Makefiles with a stronger dependence on Gnu Make
396    o pkg/seaice modifications
397      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
398        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
399        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
400      - changed proxy for geostrophic velocity and updated
401        verification/lab_sea/results/* accordingly
402      - removed ADI dynamic solver from pkg/seaice
403      - replaced all occurrences of 1/CSTICE or 1/CSUICE
404        they caused a segmentation fault under certain circumstances
405      - removed unused field WATR
406    o bug fix in exf-package:
407      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
408         now reflect that.
409    o small fixes in the cal-package:
410      - set reference date to first of January for the 'model'-calendar
411      - failing of cal_CheckDate in cal_FullDate now actually results in a
412        warning
413    o small modifications in exf-package to increase flexibility:
414      - change climtempfreeze from a constant to a runtime parameter that
415        is specified in data.exf_clim (default = -1.9)
416      - introduce runtime parameter windstressmax (default = 2.0) that is
417        specified in data.exf
418    o fix in pkg/thsice:
419      - update Evap (Tsf changes) to be consistent with Latent heat flux
420      - maintain snow precipitation unchanged (even if Tsf >=0).
421     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
422    
423    checkpoint52m_post
424    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
425      this does not change any of the results, because myIter=0 in swfrac always
426      lead to jwtype=2 (the default anyway), but the call makes little sense
427      as a default
428    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
429    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
430      atmospheric model (AIM) to use it ; add a "slab ocean" component.
431    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
432    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
433    o extending useSingleCpuIO option to work with new exch2 I/O format
434      - old-style, missing-tile I/O is still accessible by defining CPP
435        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
436    o monitor package can write to NetCDF files and/or STDOUT
437    o fix re-definition bug in MNC_GRID_INIT_ALL()
438    o doc/api_reference added
439      - a framework for building an API Reference Manual using all
440        the "protex" comments embedded in the code
441      - see pkg/generic_advdiff, pkg/mnc for examples
442    o MNC:
443      - make myThid the last argument for all subroutines
444      - new default for the grid files: NO halos
445      - add useMNC and other run-time flags
446      - separate per-file-group handling of the unlimited dimension
447      - early initialization of MNC w/ flags read at the eeboot stage
448        and lookup tables set in initialize_fixed
449      - write all MNC output to a freshly-created directory
450    o thermodynamics sea-ice (thsice) is now tested with testreport.
451    o test exp. advect_cs: use the standard cs32 grid ; update output.
452    o Added functionality to grdchk:
453      pick global i,j,k position (or nearest wet) where to perform check.
454    
455    checkpoint52l_post
456    o new land formulation:
457      a) use ground enthalpy as prognostic variable to ensure exact
458         energy conservation.
459      b) account for water temperature and for latent heat of freezing
460         in all processes (rain, run-off, ground storage)
461      c) compute surface and ground temperature implicitly.
462    o aim_v23 modification for new land model:
463      a) Treat separately land / ocean / sea-ice surface fluxes
464         to allow implicit computation of land & sea-ice surface temp.
465      b) add snow precipitation.
466    checkpoint52l_pre
467    
468    o fix problem (when 1 tile is empty) in min/max monitor.
469    o fix bug in timeAve (u,vZetatave in common block)
470    o no restoring terms under ice for pkg/seaice
471    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
472    o bug fix for pkg/seaice pickups
473    o change MNC call locations and add coordinate attributes
474    o mask vorticity at the corner ; affects global_ocean.cs output
475    o fix ini_curvilinear_grid ; test CS experiments with mpi
476    o aim.5l_cs: modify sea-ice fraction input file ; update output
477    o exf: Adding simple range check routine for exf fields after read
478    
479    checkpoint52k_post
480    o removed top-level directory "diags"
481      - we migrated these functions to pkg/timeave a long time ago
482    o fixed bug introduced in pkg/monitor
483    o accuracy ctrlprec = 32 insuffient for gradient checks using
484      averaged fields (I/O via cost_averages)
485      -> use ctrl.h in active_file*.F to control I/O precision.
486    o paramter list of CALL ADTHE_MAIN_LOOP
487    o added initial do_the_model_io to ecco
488    o set all ...Freq to zero after cost_final
489      taveFreq, dumpFreq, pChkptFreq
490    o MAIN and ECCO differentiability restored
491    
492    checkpoint52j_post
493    o fix nchklev in tamc.h for global_ocean...
494    o Bringing flow and store directives up-to-date
495    o Really weird thing!
496      call do_the_model_io from the_main_loop with parameters
497      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
498      TAF places a faulty re-call of initialise_varia
499      after cost_final call which should not be there!
500    checkpoint52j_pre
501    
502    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
503      error messages
504    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
505    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
506      debug output
507    o modfied mdsio_writefield.F to handle non-global files under exch2
508    o update AIM Cubed-Sphere exp (aim.5l_cs):
509      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
510    o update AIM Equatorial Channel exp:
511      use standard aim_v23 pkg and change the SST fields to be more realistic.
512    o globalFile now works with exch2
513    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
514      mon_vort3.F to make exch2 friendly with >1 tile per cube face
515    o limit timeave output for hi-res integrations
516    
517    checkpoint52i_post
518    o removed CPP_EEOPTIONS.h from verification/*/code
519    o updated the tiling for global_ocean_pressure
520    checkpoint52i_pre
521    
522    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
523      the old pkg/aim).
524    
525    checkpoint52h_pre
526    o shortened offending lines in exch2_send_rx?.template
527    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
528    o genmake2: add build & execute test for NetCDF code
529    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
530      old grid files, moved CPP_EEMACROS.h to pkg/exch2
531    o added useSingleCPUIO flag to monitor.F and mon_out.F
532    o added temporary hack for sea-ice dynamics on the cube:
533      metric terms are ignored and it is assumed that
534      there is no sea-ice on cube faces 1, 2, 4, and 5.
535    
536    checkpoint52f_post
537    o added exch2 cube routines to pkg/exch2
538    o modified hs94.cs-32x32x5 to use it
539    o added new grid files to hs94.cs-32x32x5
540    checkpoint52f_pre
541    
542    checkpoint52e_post
543    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
544      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
545    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
546      to work with implicit vertical advection and AB ;
547    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
548    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
549     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
550    checkpoint52e_pre
551    
552    o fix bug in impldiff when Nr=1 or Nr=2.
553    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
554    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
555    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
556      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
557    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
558    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
559    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
560    
561    checkpoint52d_post
562    o re-tiled many expts to allow comparison in multi-processor mode
563      - updated output accordingly
564      - changed hs94.128x64x5 to use intial T from file rather than use the
565        random number generator
566    o add infrastructure in model routines for fizhi and gridalt packages
567    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
568    o changes to permit hi-res, cubed-sphere, configuration
569      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
570      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
571      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
572        of surface winds for the cube
573      (A verification experiment, based on global_ocean.cs32x15, but with
574       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
575       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
576       complete with example surface forcing files and matlab scripts to look
577       at the output and compare it with that of global_ocean.cs32x15.)
578    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
579       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
580       to conform to the common rule.
581    o check-in the first version of the coupler + interfaces for multi-components
582       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
583       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
584       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
585       - ocean and atmos. share the same horizontal grid (no interpolation).
586       - exchanges between component and coupler is done in forward_step
587    o new verification experiment, cpl_aim+ocn:
588       coupled ocean - AIM atmosphere on cs32 grid.
589    
590    checkpoint52d_pre
591    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
592    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
593    
594    checkpoint52c_post
595    o Fixing OPTIONS files for use of exf:
596      - ALLOW_ECCO not needed
597      - ECCO_CPPOPTIONS.h should not be included from
598        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
599        as has been the case in the past
600      - All cal/exf related options are currently set in
601        single header file. Should remain so until we
602        agree on a consistent new policy.
603    o Removed all CPP options for cal package.
604      cal has no more CPP options.
605    o modified STOREs in GAD_ADVECTION
606    o corrected key comp. for passkey
607    
608    checkpoint52b_post
609    o new version: "thsice" of thermodynamic sea-ice pkg:
610     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
611     - modify fluxes but do not change theta directly;
612     - light cleaning of bulk_force pkg (still needed with thsice).
613     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
614       + output_thsice.txt to test thsice & bulk_force pkgs.
615    o put back grid & coriolis monitor output.
616    checkpoint52b_pre
617    
618    o call "do_the_model_io" at the beginning (=> dump initial state)
619    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
620    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
621      (need info on NUMBER_OF_PTRACERS)
622    o missing PTRACERS headers in some routines
623    o default tamc.h in pkg/autodiff supposed to crash
624      to ensure proper customization
625    
626    checkpoint52a_post
627    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
628      - moved surfaceTendencyTice from pkg/seaice to main code
629      - subroutine FREEZE_SURFACE now limits only surface temperature
630        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
631        => new output.txt for global_ocean.cs32x15 & global_with_exf
632      - keep the old version of FREEZE for backward compatibility;
633        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
634      - corresponding modifs for TAF directives
635    o added surface flux output variables to TIMEAVE_STATVARS
636    o time-averaged output for pkg/ptracers
637    o fix problem with ECCO-related divided adjoint
638      snapshot file was missing some ad-variables,
639      but no warning issued by TAF
640    
641    checkpoint52a_pre
642    o some bug fixes for #undef REAL4_IS_SLOW
643    
644    checkpoint52 = ecco_c52_e35
645    o after testing adjoints of checkpoint51u_post
646    
647    checkpoint51u_post
648    o this is the post-merge tag of the ecco-branch
649      (needs another clean checkout and re-testing)
650    o various natl_box_adjoint configs and results
651      but no input fields
652    o obcs adjoint not yet merged!
653    o adding ECCO global 1x1 and 2x2 degree configs
654    o updated/extended some store directives for seaice
655    o pkg/ecco now containes ecco-specific part of cost function
656    o top level routines the_main_loop, forward_step
657      supersede those in model/src/
658      previous input data.cost now in data.ecco
659      (new namelist ecco_cost_nml)
660    o in ctrl/ cleaned some cross-dependencies and updated CPP options
661    
662    checkpoint51t_post
663    o this is the pre-merge tag of the ecco-branch
664    
665    checkpoint51s_post
666    o cleanup: removed various obsolete #define-s
667    o pkg/grdchk
668      - renamed 'ph-grd 3' to 'grad-res'
669      - merged from ecco-branch
670        (remaining bug fixes for obcs gradient checks)
671      - additional high-precision output for testreport
672        (grep for 'precision_grdchk_result')
673    
674    checkpoint51r_post
675    o cleaned up or removed CPP_OPTIONS.h files
676    o updated results for some of the tests to reflect the new
677      optfiles (-ieee: -O0 instead of -O3)
678    
679    checkpoint51q_post
680    o cd_code:
681      - moved cd_scheme.F -> cd_code_scheme.F
682      - separate read_checkpoint from cd_code_ini_vars.F
683      - separated cd_code part from write_checkpoint
684      - updated AD_SOURCE, generated .flow
685      - added CD_CODE_VARS.h to the_main_loop
686      - Moving cd_code specific store dir.s to pkg/cd_code
687    o ctrl package totally restructured
688      - pack/unpack now optional and decoupled from
689        xx_/adxx_ I/O
690      - ctrl_pack/unpack cleaned
691        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
692      - confined inclusion of AD_CONFIG.h to where necessary.
693    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
694    
695    checkpoint51p_post
696    o create initial cd_code package
697      - WARNING: the initialization of fields within packages
698        is broken because INI_FIELDS (where READ_CHECKPOINT is
699        called) is called *before* PACKAGES_INIT_VARIABLES.
700        This seems to be backwards since
701        1) its important to initially zero the entire field including
702           the "halo" region
703        2) zeroing needs to be done *before* reading pickup info
704           and the pickup call might or might not happen in any
705           particular run
706      - this needs an overhaul for R2
707    o cleanup verification/*/code/GMREDI_OPTIONS.h
708    o cleanup testreport
709    
710    checkpoint51o_post
711    o bringing AD-related verif's up to date with genmake2
712      - carbon/
713      - global_ocean.90x40x15/
714      - hs.94.1x64x5/
715      - (front_relax/ )
716    o (more) consistent directory structure for AD-related verif.'s
717    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
718    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
719    o bug fix in find_alpha.F for MDJWF:
720      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
721        change rho -> rho-rhoConst
722      - replace call find_rho to find_rhonum
723    o initialisation of rFlx extended to full array (required by TAF)
724      and shifted to thermodynamics
725    o removed PTRACERS.h in ptracers routine
726    o added surfacetendencyPtr to S/R parameter list pracers_forcing
727    o Correcting initialisations for fVerU, fVerV.
728    o helping TAF to recognize dependency on kUp for
729      fVerU, fVerV
730    o Replacing delZ by delR in pkg/ctrl/
731    checkpoint51o_pre
732    
733    o undid all of cp51 pending some cleanups and discussion
734    o added the [#include "AD_CONFIG.h"] statement to all files that need
735       it for adjoint/tl #defines
736     o re-worked the build logic in genmake2 to support AD_CONFIG.h
737     o removed tools/genmake since it no longer works
738    
739    checkpoint51n_post
740    o modifications to make FREEZE flux visible to pkg/kpp
741      - moved surfaceTendencyTice from pkg/seaice to main code
742      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
743      - subroutine FREEZE now limits only surface temperature
744        (this means new output.txt for global_ocean.90x40x15,
745         global_ocean.cs32x15, and global_with_exf)
746    o added surface flux output variables to TIMEAVE_STATVARS
747    
748    checkpoint51n_pre
749    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
750    o added [#include "AD_CONFIG.h"] to all files that use the following
751      defines:
752      - ALLOW_ADJOINT_RUN
753      - ALLOW_TANGENTLINEAR_RUN
754      - ALLOW_ECCO_OPTIMIZATION
755    
756    checkpoint51m_post
757    o incorporating changes to get TAMC/TAF working in genmake2
758      - added new TAMC/TAF targets to the Makefile
759      - various cleanups related to package handling
760      - these changes should have no impact on the forward model
761    
762    checkpoint51l_post
763    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
764     - faster algorithm for cal_addtime.F
765     - higher precision arithmetic, where needed
766     - pkg/exf *startdate variables changed from calendar date to
767       model integration time
768    
769    checkpoint51l_pre
770    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
771    o enable to apply restoring on S & T only in a latitude band.
772    o update output (external_forcing_surf modif. change truncation errors)
773       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
774    
775    checkpoint51k_post
776    o change default to: useNHMTerms=.FALSE.
777     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
778       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
779     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
780        exp1, ideal_2D_oce
781     - change data file of oceanic exp (leave the results unchanged for now)
782       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
783    o set gravitySign automatically according to the vertical coordinate used
784      (and change sign: back to "logical" value: +1 when R increases downward)
785    o added an include barrier to the default CPP_OPTIONS.h and
786      removed the #include "PACKAGES_CONFIG.h" from it
787    o fix a bug in mom_fluxform (from chk51j_post)
788    
789    checkpoint51j_post
790    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
791    o adjusted some flow directives (dynamics, thermodynamics)
792    o added cubed-sphere case to test cost function
793    o heckpoint_lev?_directives.h now include
794      pkg-specific directives, whenever those are enabled.
795    o Moving pkg-specific flow directives to corresponding pkg
796      Moving pkg-specific differentiation list to corresponding pkg
797      Moving pkg-specific checkpoint-lev storing to corresponding pkg
798      ---> conventions are
799           - pkg_ad.flow
800           - pkg_ad_diff.list
801           - pkg_ad_check_lev?_dir.h
802    
803    checkpoint51i_post
804    o merge of the branch-genmake2
805      - knowingly breaks the older genmake
806      - automatic generation of all ALLOW_${PKG_NAME} defines
807      - new testreport supersedes older testscript
808    o large number of package inclusion and header cleanups
809    checkpoint51i_pre
810    
811    o new output for adjoin of global ocean vector invariant
812    o fix for checkpoint of thermodynamic seaice and bulk_force
813    o Steph gchem various cleanups
814    
815    checkpoint 51h_pre
816    o fixed some single quotes
817    o modify gchem pkg to be more versatile
818    o modifications to clean up dic pkg
819    o add pkg/cfc
820    
821    checkpoint51g_post
822    o provide links for ARPACK and ADM*TLM
823    o start removing verification/vero/
824    o update AD-related stuff
825      (in particular some IF-statements in model/src/ routines)
826    o adding to verification/global_ocean.90x40x15/ adjoint of
827      vector invariant setup
828    
829    checkpoint51f_post
830    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
831    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
832      of tracer Green's fucntions for ocean inversion project.
833    
834    checkpoint51f_pre
835    o Added on-the-fly spatial interpolation capability
836        "USE_EXF_INTERPOLATION" to pkg/exf.
837      - This is a temporary Cartesian-grid hack until
838        the super-duper ESMF coupler becomes available.
839      - See verification/global_with_exf/README for usage example.
840      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
841        flags and modified pkg/seaice accordingly.
842    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
843        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
844        non-local transport term.
845    
846    checkpoint51e_post
847    o pkg/mom_vecinv:
848      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
849      - add time-ave diagnostic of vorticity advection.
850    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
851    o atmospheric geopotential: - include water vapor effect;
852                                - use p^kappa in p* scaling.
853    o land pkg: read initial state from files.
854    o AIM : add stratospheric drag in the upper level
855    
856    checkpoint51d_post
857    o change function ILNBLNK (=> last non-blank char.) to return zero
858      (instead of the string length) when the string. char is empty
859    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
860    o modif's to restore TAMC compatibility
861      - avoid "_d" constructs in PARAMETER declarations
862      - avoid interrupting lines by comment lines
863    o Use cluster local disks for purely local I/O
864      vs. globally visible disks needed for ctrl stuff
865      (merged from ecco-branch)
866      - new active_file_loc... and mdsio_..._loc routines
867      - affected packages: autodiff, ctrl, grdchk, mdsio
868    
869    checkpoint51c_post
870    o introducing integer flag debugLevel
871      - debLevZero: suppress all output
872      - debLevA: standard
873      - debLevB: equivalent to current debugMode=.TRUE.
874    o introducing pathname variable mdsioLocalDir for mdsio
875      that can be specified at runtime
876      (relevant for cluster I/O to local disk)
877    `
878    >>>checkpoint51b_post
879    adjoint of ptracers
880    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
881    o extended state in checkpoint_lev?, etc.
882    o alternative ctrl/cost with tr1 or ptracer
883    o new comlev1_bibj_ptracers
884    o new ptracers.flow
885    o made ptracers_forcing same as external_forcing_s
886    o added verification for adjoint with ptracers
887      - adm. grdchk fail so far
888      - tlm. grdchk OK
889      - checked tapelev/comlev recomputations: OK
890    <<<checkpoint51b_pre
891    
892    checkpoint51a_post
893    o added code for biogeochemistry package
894      - new pkgs: dic, gchem
895      - new subroutine in ptracers
896    o modify code for biogeo packages
897      - in model/src and pkg/ptracers
898    
899    checkpoint51
900    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
901      - autodiff, ctrl, exf, grdchk, seaice
902      kept separate packages
903      - cost, ecco, obcs
904    o updating verification/internal_wave, verification/lab_sea
905      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
906    
907    checkpoint50i_post
908    o Preparing next differentiable checkpoint and sync
909      of MAIN vs. ecco-branch
910      - 1st step: this one is differentiable
911      - 2nd step: next(! not this) checkpoint will have updated packages
912                  from ecco-branch)
913    
914    checkpoint50h_post
915    o new package "land": provide surface BC for AIM.
916    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
917    o AIM: use true log-P extrapolation for near surface temp (= as in
918        F.Molteni paper) ; update aim.5l_cs output.
919    o New variable in PARM03 for more flexible pickups
920    o somewhat cleaned package initialisation sequence for
921      ctrl/ cost/ ecco/ in packages_... routines
922    
923    checkpoint50g_post
924    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
925      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
926      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
927        made the default because of faster convergence than ADI
928    
929    checkpoint50f_post
930    o exf totally restructured
931      - replaced all exf_set_ routines by one generic exf_set_gen.F
932        and made sure it's still differentiable
933      - split exf_getffields.F into new exf_bulkformulae.F
934      - exf_inscal_/exf_outscal_ suffixes consistent with field names
935      - updated adjoint/makefile and relevant verif. accordingly
936    
937    checkpoint50f_pre
938     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
939          + change Evap over land. (update aim.5l_cs output)
940     o added missing .cvsignores and made uniform across expts
941     o changed configuration of tidal_basin_2d expt
942     o added pkg/debug functions for tracing code in fatal crashes
943     o tidied pkg/monitor to use MONITOR_OPTIONS.h
944     o new fn in pkg/monitor to stop model if solution grows too big
945     o removed lots of single quotes from comments
946    
947    checkpoint50e_post
948    o make KPP work with PTRACERS
949     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
950       nearly a copy of kpp_transport_s
951     - there is no analogue to SurfaceTendencyS, so I have to use
952       gPtr(of the surface layer) instead
953    o add a new platform SunFire+mpi (SunFire 15000) to genmake
954    checkpoint50e_pre
955    
956    checkpoint50d_post
957    o change kpp output from multiple-record state files to single-record state
958      files analogous to write_state.F
959    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
960      analogous to the cg2d-related output.
961    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
962      so that writing to internal file fn (with length 512) fails.
963    checkpoint50d_pre
964    
965    checkpoint50c_post
966    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
967    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
968    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
969    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
970    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
971    
972    checkpoint50c_pre
973    Merging from release1_p13:
974    o bug fix for pkg/seaice dynamic solver
975    o Added SEAICE_initialHEFF to pkg/seaice
976    
977    checkpoint50b_post
978    o store u*,v* in gU,V instead of in guNm1,gvNm1
979    o in order to put the momForcing out of the Adams-Bashforth:
980      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
981      to timestep.F
982    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
983    o re-generate output for highly sensitive test-exp:
984       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
985    
986    checkpoint50b_pre
987    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
988    o corrected CPP option mismatch in exf_Bulk... functions for case
989      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
990    
991    checkpoint50a_post
992    o Bug fix for merging between c50 and KPP.
993      ikey was passed from thermodynamics to kpp_calc via
994      common block rather than being recomputed in kpp_calc,
995      in contradiction with new key itdkey.
996      New key ikppkey created, and tamc.h headers updated.
997    
998    checkpoint50
999    - 2nd step of merge with ecco-branch:
1000      merge changes in ecco-branch back into main trunk
1001    - bug fix in find_alpha
1002    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1003    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1004    - merged some sliced AD support routines
1005    
1006    checkpoint49
1007    merged from ecco-branch:
1008    o exf:
1009      - Enable initialisation of forcing fields to constant
1010        (runtime) values.
1011      - in exf_getffields.F
1012        Reduce i-/j-loop to interior domain, discarding overlaps.
1013        That also fixes wrong TAF-key computations for key_1, key_2
1014        with bulf formulae.
1015      - exf_init.F modify #ifdef for exf_init_evap
1016      - exf_getffieldrec.F, ctrl_getrec.F
1017        The following INT-usages are not safe:
1018          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1019          fldcount = int(fldsecs/fldperiod) + 1
1020        and were modified.
1021    o autodiff: checkpoint_lev...
1022      - updated storing for bulk formulae (some arrays were missing)
1023      - added state for seaice package
1024      - synchronized with main branch
1025    o DIVA:
1026      Modif.s in
1027      - the_main_loop.F
1028      - the_model_main.F
1029      and added cost_final_restore.F cost_final_store.F
1030      o With these changes, it is possible to fully separate
1031        the first forward run to compute the cost function (mdthe_main_loop)
1032        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1033        into separate model executions.
1034        This enables better tuning of DIVA to given queue sizes.
1035      o Loss of cost function value in consecutive DIVA runs is
1036        fixed by storing to 'costfinal' file.
1037      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1038        beginning/end of adjoint integration is accounted for.
1039      The current changes apply to TAF-1.4.26.
1040      TAF has one remaining bug, requiring one manual change
1041      (see MITgcm manual).
1042    o cal: synchronized between MAIN and ecco-branch
1043    
1044    checkpoint48i_post
1045    o Changes to restore differentiability of code w.r.t. previous tag
1046      (mostly adding new routines to make list and replacing
1047      pressure by totPhiHyd).
1048    o Updated and merged grdchk package
1049      - has both ADM and TLM checks
1050      - works for single- and multi-proc.
1051      - output cleaned
1052      - worked successfully for parallel DIVA
1053    o genmake:
1054      - Adding -platform=SP4
1055      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1056    o Modif. for DIVA:
1057      ctrl_unpack should not be called in intermediate DIVA interval.
1058      (similar thing would apply for active files such as
1059      tbar, sbar, psbar, which should not be reinitialised;
1060      only relevant for ecco-branch)
1061    
1062    checkpoint48h_post
1063    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1064    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1065    o Added SEAICE_initialHEFF to pkg/seaice
1066    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1067    
1068    checkpoint48g_post
1069    --- EOS:
1070    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1071      store total Potential in totPhyHyd for diagnostics & EOS.
1072    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1073    --- Pressure/geopotential gradient:
1074    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1075    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1076      ( changes results of global_ocean_pressure )
1077    o NLFS + z-coord.: add eta*Rho' contribution.
1078    o accurate phiHyd when using interface-W at the middle between 2 centers
1079     ( changes results of ideal_2D_oce )
1080    o includes r* 2nd term in potential gradient.
1081    
1082    checkpoint48f_post
1083    Merging from release1_p12:
1084    o Modifications for using pkg/exf with pkg/seaice
1085      - improved description of the various forcing configurations
1086      - added basic radiation bulk formulae to pkg/exf
1087      - units/sign fix for evap computation in exf_getffields.F
1088      - updated verification/global_with_exf/results/output.txt
1089    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1090      (SBO) core products, including oceanic mass, center-of-mass,
1091      angular, and bottom pressure (see pkg/sbo/README.sbo).
1092    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1093      to avoid negative values in shallow regions.
1094      - updated verification/natl_box/results/output.txt
1095      - updated verification/lab_sea/results/output.txt
1096    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1097    o Added useSingleCpuIO option (see PARAMS.h).
1098    o Updated useSingleCpuIO option in mdsio_writefield.F to
1099      work with multi-field files, e.g., for single-file pickup.
1100    o pkg/seaice:
1101      - bug fix in growth.F: QNET for no shortwave case
1102      - added HeffFile for specifying initial sea-ice thickness
1103      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1104    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1105      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1106    o pkg/seaice:
1107      - adjoint-friendly modifications
1108      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1109    
1110    checkpoint48e_post
1111    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1112    o dynamics: change definition of computational domain & adapt mom_fluxform
1113      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1114    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1115        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1116        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1117        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1118        inverted_barometer solid-body.cs-32x32x1
1119      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1120    
1121    checkpoint48d_post
1122    o in preparation for r*:
1123     a) use pre-computed gradient of hydrostatic potential:
1124        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1125     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1126        => affects results of glob_oce_pressure (different truncation error)  
1127      update output.txt of ideal_2D_oce & global_ocean_pressure
1128    
1129    checkpoint48d_pre
1130    o in preparation for r*:
1131      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1132      pass the 2 comp. of the grad. as arguments to momentum S/R.
1133      but for the moment, only used if it does not change the results.
1134    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1135    
1136    checkpoint48c_post
1137    Modifications in treatment of initial flux forcing controls
1138    to avoid extra storing of flux fields.
1139    
1140    checkpoint48c_pre
1141    o Added tidal_basin_2d experiment (currently 1D!)
1142    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1143    
1144    checkpoint48b_post
1145    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1146     (modification to pressure gradient not yet implemented)
1147    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1148      (for U & V) that are used for vertical advection of momentum.
1149    
1150    checkpoint48a_post
1151    o In preparation for r*, use temp. array to compute vertical transport
1152       in flux-form momentum pkg. => change results of few test-exp.
1153      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1154                        lab_sea, natl_box & plume_on_slope
1155    
1156    checkpoint48
1157    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1158    
1159    checkpoint47j_post
1160    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1161    o moved adexch from forward_step to addummy_in_stepping
1162    o added exch in ctrl_map_...
1163    o aveFreq.=0. at end of cost_final to avoid overwrite in
1164      reverse checkpointing loop
1165    o Yet more changes in gmredi:
1166      * adgmredi_calc_tensor
1167        avoiding all recomputation of gmredi_slope_limit
1168      * adgmredi_x/y/rtransport
1169        added flag for excessive storing to avoid recomp. of
1170        u/v/rtans, dTdx/y/z
1171        -> this is not really necessary and very memory-consuming
1172      * adgmredi_slope_psi:
1173        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1174      * gmredi_slope_limit
1175        re-activated full calculation of taperfct for case 'ac02'
1176    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1177    
1178    checkpoint47i_post
1179    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1180    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1181      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1182    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1183    o gmredi: fix few bugs.
1184    
1185    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1186    This will be a good checkpoint to plug into the ecco-branch.
1187    o few modif.'s to get latest version adjointed
1188      (mainly kick out code in ini_linear_phisurf)
1189    o modif's to run adjoint with exactConserv
1190    o case GM_BOLUS_ADVEC should be cleaned
1191      S/R gmredi_slope_psi should be cleaned
1192    o verification/carbon now has exactConserv=.TRUE.
1193    
1194    checkpoint47g_post
1195    o time-average AIM output: becomes independent from statvars time-average
1196      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1197    o After TAF bug fix:
1198      Tested adjoint of gmredi package.
1199      Tests were done with checkpoint47 rather than with latest
1200      checkpoint47f_post since the latter is broken for the adjoint
1201      verification/carbon/ contains both ADM and TLM gradient checks.
1202    Here they are, before they get changed/lost/stolen.
1203    Mostly modif.'s to fix numerical sensitivities.
1204    Gradient checks OK for
1205    - GM_taper_scheme:
1206      * clipping
1207      * ac02
1208      * linear
1209      * glw91
1210      * dm95
1211      * ldd97
1212    - GMREDI_OPTIONS:
1213      * GM_VISBECK_VARIABLE_K
1214      * GM_NON_UNITY_DIAGONAL
1215      * GM_EXTRA_DIAGONAL
1216      * GM_BOLUS_ADVEC
1217    in conjunction with data.gmredi parameters to be checked in
1218    in a few minutes under verification/carbon/code/
1219    
1220  checkpoint47f_post  checkpoint47f_post
1221  Merging from release1_p10:  Merging from release1_p10:
1222  o modifications for using pkg/exf with pkg/seaice  o modifications for using pkg/exf with pkg/seaice

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