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revision 1.76 by jmc, Fri Jul 12 14:52:08 2002 UTC revision 1.377 by jmc, Thu Oct 28 01:23:50 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint55i_post
7    o change arrays for total vertical diffusivity (2.D if explicit,
8      3.D if implicit) ; each ptracer uses its own background value.
9    o added mnc/NetCDF output capability to ocn_compon_interf
10      - added bits to verification/cpl_aim+ocn so that it can run on
11        ITRDA and other clusters without the mpirun "-wd" option
12    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
13      configuration
14    o give MNC the ability to create additional files rather than
15      exceeding a specified file size limit "MNC_MAX_FILESIZE"
16      - the default is just less than 2GB which is a practical limit
17        on many systems
18    o Compute the non-local term using either KPP vertical diffusivity (=default)
19       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
20    
21    checkpoint55h_post
22    o add verification test "vermix"
23    o remove all the *_ioinc flags and replace with the single global
24      outputTypesInclusive flag
25    o allow to set a vertical profile of vertical diffusivity for T & S
26    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
27    o useMNC moved from data.mnc to data.pkg
28    
29    checkpoint55g_post
30    o Renaming carbon AD experiments to comply with testreport conventions
31    o Updating adjoint of Held-Suarez hs94.1x64x5
32    o Fixing directives for non-ECCO forward_step, after ECCO directives
33      have been fixed to avoid recomp. of do_oceanic_phys
34      Works well for global_ocean.90x40x15,
35      but recomp. issue remains for carbon
36    o Updating adjoint output for natl_box_adjoint after
37      pkg/ecco has been modified (see taga c55d_post)
38    
39    checkpoint55f_post
40    o rename to timeave_init_fixed
41    
42    checkpoint55e_post
43    o some delicate re-shuffle of store directives to avoid one
44      extra call of do_oceanic_physics
45      affects ecco_the_main_loop.F, do_oceanic_physics.F
46      checkpoint_lev1_directives.h
47    o NB: this may break global_ocean adjoint temporarily,
48      but it is clear how to fix it. Will do later, need this now.
49    
50    checkpoint55d_post
51    o ECCO specific cost function terms (up-to-date with 1x1 runs)
52    o ecco_cost_weights is modified to 1x1 runs
53    o modifs to allow observations to be read in as
54      single file or yearly files
55    o enable to read exf forcing fields as either
56      single file or yearly files (flag useExfYearlyFields)
57    checkpoint55d_pre
58    
59    o switch between 2-level and 3-level checkpointing
60    o add ability of MNC to write local and "partial" (eg. 2D slices where
61      the full 3D field is never actually stored) arrays to NetCDF files
62      with the correct (that is, the complete multi-dimensional) set of
63      array indicies
64      - used in mom_vecinv() to write the diagFreq output
65      - tested (demonstrated) in verification/aim.5l_cs
66    o further mnc-ification
67      - add verification/lab_sea to the list with mnc setups
68      - fix undefined mnc v-names in cd_code
69      - add kpp to mnc output (both snapshot and timeave)
70    o non-hydrostatic code
71      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
72        in calc_gw.F
73      - defaults to viscAh
74      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
75        friction or Leith) in non-hydrostatic mode, as long as there is
76        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
77    o pkg/cost
78      extend simple cost functions to treat time mean quantities
79      (T,U,V) via cost_accumulate_state from cost_tile
80    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
81        be 2 times larger than the minimum size the advection scheme requires.
82        now get a perfect conservation of salt in advect_cs test-exp (updated)
83    o GGL90 (Gaspar's TKE mixed layer)
84      - add horizontal diffusion of TKE, requires exchanges in
85        do_fields_blocking_exchanges, horizontal diffusivity is zero by
86        default. In OPA there is no horizontal diffusion of TKE but the
87        mixing coefficients are computed from a horizontal average of TKE of
88        6 points or so. I think that diffusion has a little more physical
89        justification.
90      - clean up ggl90_calc in the hope of reducing memory usage (this hope
91        was in vain)
92      - mask tke-variable in ggl90_init
93    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
94    o fix biharmonic diffusion on CS-grid.
95    o more obcs stuff
96      - added obcs_external_fields_load as an alternative to the EXF-pkg option
97        for reading boundary values. This routine is called from
98        obcs_prescribe_read
99      - updated obcs_check
100      - changed sponge layer relaxation parameter units for days to seconds
101      - turned off sponge layer by default
102      - changed argument list of OBCS_CALC to myTime+deltaTclock
103      - fixed about 35 bugs in obcs_external_fields_load
104    
105    checkpoint55c_post
106    o obcs stuff
107      - new runtime flags useOBCSprescribe, useOBCSbalance
108      - re-arranged obcs_calc
109      - moved exf_getobcs to obcs_prescibe_read
110        obcs_prescibe_read is called after ORLANSKI stuff
111        and independent of it (executable can contain all).
112      - updated obcs_check
113      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
114        These may be necessary only if tangential velocities are
115        prescribed at OB, not sure, needs testing.
116    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
117      which simplifies the calls and passes the ifc check-bounds test
118    
119    checkpoint55b_post
120    o add a 2D scalar, Z location, exchange_2 routine.
121    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
122      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
123      affects advect_cs results (for the wrong reason): update output.txt
124    o use a more standard discretization for biharmonic viscosity ;
125     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
126      affects results of dome set-up: update output.txt
127    o fix gad_advection.F (CubedSphere part), back to version 1.23
128    o fix bug in mom_vi_del2uv.F (CubedSphere part).
129    
130    checkpoint55a_post
131    o merged code to
132      * prescribe/read time-dependent open boundaries
133        (works in conjunction with exf, cal)
134      * sponge layer code for open boundaries
135      * each boundary N/S/E/W now has its own CPP option
136        (healthy for the adjoint)
137    
138    checkpoint55
139    o up-to-date adjoint of previous breaks
140      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
141      - global_ocean_ebm: adjoint still needs fix (TLM ok)
142      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
143      - carbon: * remove tr1-related adjoint verification
144                * add ptracer as control variable
145    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
146      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
147    
148    checkpoint54f_post
149    o in verification/carbin/ remove experiment related to
150      ALLOW_PASSIVE_TRACER (array tr1 etc)
151      code_ad/ input_ad/ results_ad
152    
153    o add two new packages
154      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
155        + subject to optimization (memory)
156      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
157        + subject to reordering (many GOTOs in the original code)
158        + so far opps is called for every (i,j) point, and then operates in
159          the vertical; one may want to reorder the scheme in order operate in
160          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
161          fields)
162    o overhaul of IO so that we now have flags for MDSIO and/or MNC
163      - all verification tests compile and run with linux_ia32_g77
164      - defaults are compatible with current input files--nothing
165        should change if you were not previously using MNC
166      - MNC output has been added in numerous places (eg. timeave)
167        but there are still a few writes not yet do-able with MNC
168        (this is in progress)
169      - flags now allow for either/or/both use of MDSIO and MNC and
170        documentation will soon follow
171      - numerous small formatting cleanups for ProTeX
172    o add version info (via BUILD_INFO.h) to MNC and stdout
173    
174    checkpoint54e_post
175    o add two new packages
176      - pp81 (Packanowski and Philander, 1981), Richardson number and
177        stratification dependent mixing
178      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
179      - these scheme operate in a similar manner as KPP (without ghat, of
180        course), however there is only one diffusivity that is used for both
181        temperature and salinity (and passive tracers)ç
182    o add offline package
183    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
184      provided by Stephanie Dutkiewicz
185    o genmake2: add ability to search for C compilers and cleanup test output
186      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
187    
188    checkpoint54d_post
189    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
190    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
191      leading to additional shift by 5 days each year of integration
192       (i.e. leading to considerable offset over the years)
193    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
194    o start with no AB and no initial filtering (staggerTimeStep):
195      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
196    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
197      (external loading & cpl import/export stay in forward_step.F)
198    o update coupling interface to work with new staggerTimeStep
199    o change MDSIO ptracers_pickup.
200    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
201    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
202    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
203    
204    checkpoint54c_post
205    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
206      this affects (truncation error) output.txt of test-exp:
207       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
208    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
209    o change Qnet to always be the net heat flux, (+upward).
210      affects (truncation error) output of natl_box exp.: updated
211    o define the max number of passive tracers in PTRACERS_SIZE.h
212    o start to test mnc routinely in exp0
213    o add sea-ice loading (sIceLoad) as a new forcing field.
214    
215    checkpoint54b_post
216    o add testreport "-j JOBS" option for parallel builds (tested and pretty
217       impressive on Altix and Opteron systems)
218    o diagnostics can now write NetCDF files through the mnc package
219    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
220    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
221    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
222      affects (truncation error) output of lab_sea & natl_box exp.: updated
223    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
224    
225    checkpoint54a_post
226    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
227    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
228    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
229    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
230      + internal_wave (shift in writing cg2d_ini_res)
231    checkpoint54a_pre
232    
233    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
234      - modified verification/lab_sea and natl_box_adjoint accordingly
235    
236    checkpoint54
237    checkpoint53g_post
238    o prepare splitting of thermodynamics: store convect.counter in common block
239    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
240      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
241    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
242    o new parameter "nShapS": allow to treat differently S from T (nShapT)
243    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
244    o restore adjointability
245    
246    checkpoint53f_post
247    o modifications that affect AIM experiment results (update output.txt):
248      - no advection of S at top interface Nr (pkg/generic_advdiff)
249      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
250    o AIM pkg:
251      - include stability function into surf.Flux derivative relative to Tsurf
252      - calculate clear-sky radiation & surface temp. change (for diagnostics)
253    
254    checkpoint53e_post
255    o merged cylindrical coord configuration
256    o added rotating_tank experiment
257    checkpoint53e_pre
258    
259    checkpoint53d_post
260    o faulks upgraded: re-generate output.txt that have changed:
261       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
262    o Added Bryan and Lewis, 1979, vertical diffusivity profile
263    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
264    o added Sadourny discretization of Coriolis
265      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
266      - re-enabled use of omega3 (useAbsVorticity)
267    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
268      vector-invariant equations
269      - note: does *NOT* yet use same variable visc. for no-slip BC's.
270    o recoded the lateral boundary conditions for non-hydrostatic w, this time
271      hopefully without new bugs
272      - still to do: biharmonic friction for non-hydrostatic w
273    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
274    o regenerated output for global_ocean_ebm (using -ieee)
275    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
276      of mom_common/
277      - simple re-arrangement of instructions within computing loop
278    checkpoint53d_pre
279    
280    checkpoint53c_post
281    o new version of coupler for AIM+thSIce and Ocean models
282     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
283     - land: change Evaporation of snow
284     - aim with thSIce: fix bug in snow-precip.
285    o changes to calc_gw.F
286     - bug fix for w^2 term near the bottom boundary
287     - (hopefully) improve the lateral slip boundary condtions for use with
288        partial/looped cells
289      - because the bug fix changes two verification experiments anyway (exp5
290        and plume on slope), change the lateral boundary condition from half slip
291        to the value of no_slip_sides
292    o ebm package wasnt quite up to the parallel task. Fixed that.
293    o Adjoint of EBM package + verification
294      * TLM OK
295      * ADM not sufficient accuracy yet (needs further testing)
296    
297    checkpoint53b_post
298    o Commiting new energy balance model to repository
299      * package is pkg/ebm
300      * verif. is verification/global_ocean_ebm
301      * references are in ebm_driver.F
302    C      * X. Wang, P. Stone and J. Marotzke, 1999:
303    C        Global thermohaline circulation. Part I:
304    C        Sensitivity to atmospheric moisture transport.
305    C        J. Climate 12(1), 71-82
306    C      * X. Wang, P. Stone and J. Marotzke, 1999:
307    C        Global thermohaline circulation. Part II:
308    C        Sensitivity with interactive transport.
309    C        J. Climate 12(1), 83-91
310    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
311    C        Destabilization of the thermohaline circulation
312    C        by atmospheric eddy transports.
313    C        J. Climate 7(12), 1870-1882
314    o Will need long integration testing.
315    checkpoint53b_pre
316    
317    o created pkg/mom_common in preparation for variable viscosity code
318    o renamed and split ini_mnc_io
319    o pkg/land: only liquid water can diffuse or run-off
320    o AIM using land: soil wetness availability account for snow
321    o added printMapIncludesZeros to EEPARMS namelist
322    
323    checkpoint53a_post
324    o restore TAMC compatiility for exf_constants.h
325      (no usage of _d in .h)
326    o Additional storing in KPP in an attempt to fix
327      TAMC problem with adjoint of KPP code.
328      (no success...)
329      Identical code works fine with TAF.
330    o Fixed verification/natl_box_adjoint experiments.
331      Initial conditions for Experiments 4 and 5 are now
332      set to "SEAICE_initialHEFF=0", which is more reasonable,
333      and hence gives results closer to that of Experiment 2.
334      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
335    
336    checkpoint53
337    o stable checkpoint with up to date adjoint
338      TLM tests only run for 1st grdchk at the moment. Its unclear if
339      this is a code problem or a problem with resetting code for g_
340      variables that is being autogenerated wrong.
341      Otherwise:
342       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
343       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
344         are both still in chaos following their security messes.
345    
346    checkpoint52n_post
347    o various build (mostly genmake2) changes including:
348      - ability to build/run more easily within Cygwin and MacOS X
349      - more complicated Makefiles with a stronger dependence on Gnu Make
350    o pkg/seaice modifications
351      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
352        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
353        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
354      - changed proxy for geostrophic velocity and updated
355        verification/lab_sea/results/* accordingly
356      - removed ADI dynamic solver from pkg/seaice
357      - replaced all occurrences of 1/CSTICE or 1/CSUICE
358        they caused a segmentation fault under certain circumstances
359      - removed unused field WATR
360    o bug fix in exf-package:
361      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
362         now reflect that.
363    o small fixes in the cal-package:
364      - set reference date to first of January for the 'model'-calendar
365      - failing of cal_CheckDate in cal_FullDate now actually results in a
366        warning
367    o small modifications in exf-package to increase flexibility:
368      - change climtempfreeze from a constant to a runtime parameter that
369        is specified in data.exf_clim (default = -1.9)
370      - introduce runtime parameter windstressmax (default = 2.0) that is
371        specified in data.exf
372    o fix in pkg/thsice:
373      - update Evap (Tsf changes) to be consistent with Latent heat flux
374      - maintain snow precipitation unchanged (even if Tsf >=0).
375     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
376    
377    checkpoint52m_post
378    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
379      this does not change any of the results, because myIter=0 in swfrac always
380      lead to jwtype=2 (the default anyway), but the call makes little sense
381      as a default
382    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
383    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
384      atmospheric model (AIM) to use it ; add a "slab ocean" component.
385    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
386    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
387    o extending useSingleCpuIO option to work with new exch2 I/O format
388      - old-style, missing-tile I/O is still accessible by defining CPP
389        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
390    o monitor package can write to NetCDF files and/or STDOUT
391    o fix re-definition bug in MNC_GRID_INIT_ALL()
392    o doc/api_reference added
393      - a framework for building an API Reference Manual using all
394        the "protex" comments embedded in the code
395      - see pkg/generic_advdiff, pkg/mnc for examples
396    o MNC:
397      - make myThid the last argument for all subroutines
398      - new default for the grid files: NO halos
399      - add useMNC and other run-time flags
400      - separate per-file-group handling of the unlimited dimension
401      - early initialization of MNC w/ flags read at the eeboot stage
402        and lookup tables set in initialize_fixed
403      - write all MNC output to a freshly-created directory
404    o thermodynamics sea-ice (thsice) is now tested with testreport.
405    o test exp. advect_cs: use the standard cs32 grid ; update output.
406    o Added functionality to grdchk:
407      pick global i,j,k position (or nearest wet) where to perform check.
408    
409    checkpoint52l_post
410    o new land formulation:
411      a) use ground enthalpy as prognostic variable to ensure exact
412         energy conservation.
413      b) account for water temperature and for latent heat of freezing
414         in all processes (rain, run-off, ground storage)
415      c) compute surface and ground temperature implicitly.
416    o aim_v23 modification for new land model:
417      a) Treat separately land / ocean / sea-ice surface fluxes
418         to allow implicit computation of land & sea-ice surface temp.
419      b) add snow precipitation.
420    checkpoint52l_pre
421    
422    o fix problem (when 1 tile is empty) in min/max monitor.
423    o fix bug in timeAve (u,vZetatave in common block)
424    o no restoring terms under ice for pkg/seaice
425    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
426    o bug fix for pkg/seaice pickups
427    o change MNC call locations and add coordinate attributes
428    o mask vorticity at the corner ; affects global_ocean.cs output
429    o fix ini_curvilinear_grid ; test CS experiments with mpi
430    o aim.5l_cs: modify sea-ice fraction input file ; update output
431    o exf: Adding simple range check routine for exf fields after read
432    
433    checkpoint52k_post
434    o removed top-level directory "diags"
435      - we migrated these functions to pkg/timeave a long time ago
436    o fixed bug introduced in pkg/monitor
437    o accuracy ctrlprec = 32 insuffient for gradient checks using
438      averaged fields (I/O via cost_averages)
439      -> use ctrl.h in active_file*.F to control I/O precision.
440    o paramter list of CALL ADTHE_MAIN_LOOP
441    o added initial do_the_model_io to ecco
442    o set all ...Freq to zero after cost_final
443      taveFreq, dumpFreq, pChkptFreq
444    o MAIN and ECCO differentiability restored
445    
446    checkpoint52j_post
447    o fix nchklev in tamc.h for global_ocean...
448    o Bringing flow and store directives up-to-date
449    o Really weird thing!
450      call do_the_model_io from the_main_loop with parameters
451      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
452      TAF places a faulty re-call of initialise_varia
453      after cost_final call which should not be there!
454    checkpoint52j_pre
455    
456    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
457      error messages
458    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
459    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
460      debug output
461    o modfied mdsio_writefield.F to handle non-global files under exch2
462    o update AIM Cubed-Sphere exp (aim.5l_cs):
463      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
464    o update AIM Equatorial Channel exp:
465      use standard aim_v23 pkg and change the SST fields to be more realistic.
466    o globalFile now works with exch2
467    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
468      mon_vort3.F to make exch2 friendly with >1 tile per cube face
469    o limit timeave output for hi-res integrations
470    
471    checkpoint52i_post
472    o removed CPP_EEOPTIONS.h from verification/*/code
473    o updated the tiling for global_ocean_pressure
474    checkpoint52i_pre
475    
476    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
477      the old pkg/aim).
478    
479    checkpoint52h_pre
480    o shortened offending lines in exch2_send_rx?.template
481    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
482    o genmake2: add build & execute test for NetCDF code
483    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
484      old grid files, moved CPP_EEMACROS.h to pkg/exch2
485    o added useSingleCPUIO flag to monitor.F and mon_out.F
486    o added temporary hack for sea-ice dynamics on the cube:
487      metric terms are ignored and it is assumed that
488      there is no sea-ice on cube faces 1, 2, 4, and 5.
489    
490    checkpoint52f_post
491    o added exch2 cube routines to pkg/exch2
492    o modified hs94.cs-32x32x5 to use it
493    o added new grid files to hs94.cs-32x32x5
494    checkpoint52f_pre
495    
496    checkpoint52e_post
497    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
498      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
499    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
500      to work with implicit vertical advection and AB ;
501    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
502    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
503     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
504    checkpoint52e_pre
505    
506    o fix bug in impldiff when Nr=1 or Nr=2.
507    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
508    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
509    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
510      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
511    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
512    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
513    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
514    
515    checkpoint52d_post
516    o re-tiled many expts to allow comparison in multi-processor mode
517      - updated output accordingly
518      - changed hs94.128x64x5 to use intial T from file rather than use the
519        random number generator
520    o add infrastructure in model routines for fizhi and gridalt packages
521    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
522    o changes to permit hi-res, cubed-sphere, configuration
523      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
524      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
525      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
526        of surface winds for the cube
527      (A verification experiment, based on global_ocean.cs32x15, but with
528       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
529       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
530       complete with example surface forcing files and matlab scripts to look
531       at the output and compare it with that of global_ocean.cs32x15.)
532    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
533       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
534       to conform to the common rule.
535    o check-in the first version of the coupler + interfaces for multi-components
536       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
537       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
538       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
539       - ocean and atmos. share the same horizontal grid (no interpolation).
540       - exchanges between component and coupler is done in forward_step
541    o new verification experiment, cpl_aim+ocn:
542       coupled ocean - AIM atmosphere on cs32 grid.
543    
544    checkpoint52d_pre
545    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
546    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
547    
548    checkpoint52c_post
549    o Fixing OPTIONS files for use of exf:
550      - ALLOW_ECCO not needed
551      - ECCO_CPPOPTIONS.h should not be included from
552        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
553        as has been the case in the past
554      - All cal/exf related options are currently set in
555        single header file. Should remain so until we
556        agree on a consistent new policy.
557    o Removed all CPP options for cal package.
558      cal has no more CPP options.
559    o modified STOREs in GAD_ADVECTION
560    o corrected key comp. for passkey
561    
562    checkpoint52b_post
563    o new version: "thsice" of thermodynamic sea-ice pkg:
564     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
565     - modify fluxes but do not change theta directly;
566     - light cleaning of bulk_force pkg (still needed with thsice).
567     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
568       + output_thsice.txt to test thsice & bulk_force pkgs.
569    o put back grid & coriolis monitor output.
570    checkpoint52b_pre
571    
572    o call "do_the_model_io" at the beginning (=> dump initial state)
573    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
574    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
575      (need info on NUMBER_OF_PTRACERS)
576    o missing PTRACERS headers in some routines
577    o default tamc.h in pkg/autodiff supposed to crash
578      to ensure proper customization
579    
580    checkpoint52a_post
581    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
582      - moved surfaceTendencyTice from pkg/seaice to main code
583      - subroutine FREEZE_SURFACE now limits only surface temperature
584        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
585        => new output.txt for global_ocean.cs32x15 & global_with_exf
586      - keep the old version of FREEZE for backward compatibility;
587        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
588      - corresponding modifs for TAF directives
589    o added surface flux output variables to TIMEAVE_STATVARS
590    o time-averaged output for pkg/ptracers
591    o fix problem with ECCO-related divided adjoint
592      snapshot file was missing some ad-variables,
593      but no warning issued by TAF
594    
595    checkpoint52a_pre
596    o some bug fixes for #undef REAL4_IS_SLOW
597    
598    checkpoint52 = ecco_c52_e35
599    o after testing adjoints of checkpoint51u_post
600    
601    checkpoint51u_post
602    o this is the post-merge tag of the ecco-branch
603      (needs another clean checkout and re-testing)
604    o various natl_box_adjoint configs and results
605      but no input fields
606    o obcs adjoint not yet merged!
607    o adding ECCO global 1x1 and 2x2 degree configs
608    o updated/extended some store directives for seaice
609    o pkg/ecco now containes ecco-specific part of cost function
610    o top level routines the_main_loop, forward_step
611      supersede those in model/src/
612      previous input data.cost now in data.ecco
613      (new namelist ecco_cost_nml)
614    o in ctrl/ cleaned some cross-dependencies and updated CPP options
615    
616    checkpoint51t_post
617    o this is the pre-merge tag of the ecco-branch
618    
619    checkpoint51s_post
620    o cleanup: removed various obsolete #define-s
621    o pkg/grdchk
622      - renamed 'ph-grd 3' to 'grad-res'
623      - merged from ecco-branch
624        (remaining bug fixes for obcs gradient checks)
625      - additional high-precision output for testreport
626        (grep for 'precision_grdchk_result')
627    
628    checkpoint51r_post
629    o cleaned up or removed CPP_OPTIONS.h files
630    o updated results for some of the tests to reflect the new
631      optfiles (-ieee: -O0 instead of -O3)
632    
633    checkpoint51q_post
634    o cd_code:
635      - moved cd_scheme.F -> cd_code_scheme.F
636      - separate read_checkpoint from cd_code_ini_vars.F
637      - separated cd_code part from write_checkpoint
638      - updated AD_SOURCE, generated .flow
639      - added CD_CODE_VARS.h to the_main_loop
640      - Moving cd_code specific store dir.s to pkg/cd_code
641    o ctrl package totally restructured
642      - pack/unpack now optional and decoupled from
643        xx_/adxx_ I/O
644      - ctrl_pack/unpack cleaned
645        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
646      - confined inclusion of AD_CONFIG.h to where necessary.
647    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
648    
649    checkpoint51p_post
650    o create initial cd_code package
651      - WARNING: the initialization of fields within packages
652        is broken because INI_FIELDS (where READ_CHECKPOINT is
653        called) is called *before* PACKAGES_INIT_VARIABLES.
654        This seems to be backwards since
655        1) its important to initially zero the entire field including
656           the "halo" region
657        2) zeroing needs to be done *before* reading pickup info
658           and the pickup call might or might not happen in any
659           particular run
660      - this needs an overhaul for R2
661    o cleanup verification/*/code/GMREDI_OPTIONS.h
662    o cleanup testreport
663    
664    checkpoint51o_post
665    o bringing AD-related verif's up to date with genmake2
666      - carbon/
667      - global_ocean.90x40x15/
668      - hs.94.1x64x5/
669      - (front_relax/ )
670    o (more) consistent directory structure for AD-related verif.'s
671    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
672    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
673    o bug fix in find_alpha.F for MDJWF:
674      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
675        change rho -> rho-rhoConst
676      - replace call find_rho to find_rhonum
677    o initialisation of rFlx extended to full array (required by TAF)
678      and shifted to thermodynamics
679    o removed PTRACERS.h in ptracers routine
680    o added surfacetendencyPtr to S/R parameter list pracers_forcing
681    o Correcting initialisations for fVerU, fVerV.
682    o helping TAF to recognize dependency on kUp for
683      fVerU, fVerV
684    o Replacing delZ by delR in pkg/ctrl/
685    checkpoint51o_pre
686    
687    o undid all of cp51 pending some cleanups and discussion
688    o added the [#include "AD_CONFIG.h"] statement to all files that need
689       it for adjoint/tl #defines
690     o re-worked the build logic in genmake2 to support AD_CONFIG.h
691     o removed tools/genmake since it no longer works
692    
693    checkpoint51n_post
694    o modifications to make FREEZE flux visible to pkg/kpp
695      - moved surfaceTendencyTice from pkg/seaice to main code
696      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
697      - subroutine FREEZE now limits only surface temperature
698        (this means new output.txt for global_ocean.90x40x15,
699         global_ocean.cs32x15, and global_with_exf)
700    o added surface flux output variables to TIMEAVE_STATVARS
701    
702    checkpoint51n_pre
703    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
704    o added [#include "AD_CONFIG.h"] to all files that use the following
705      defines:
706      - ALLOW_ADJOINT_RUN
707      - ALLOW_TANGENTLINEAR_RUN
708      - ALLOW_ECCO_OPTIMIZATION
709    
710    checkpoint51m_post
711    o incorporating changes to get TAMC/TAF working in genmake2
712      - added new TAMC/TAF targets to the Makefile
713      - various cleanups related to package handling
714      - these changes should have no impact on the forward model
715    
716    checkpoint51l_post
717    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
718     - faster algorithm for cal_addtime.F
719     - higher precision arithmetic, where needed
720     - pkg/exf *startdate variables changed from calendar date to
721       model integration time
722    
723    checkpoint51l_pre
724    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
725    o enable to apply restoring on S & T only in a latitude band.
726    o update output (external_forcing_surf modif. change truncation errors)
727       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
728    
729    checkpoint51k_post
730    o change default to: useNHMTerms=.FALSE.
731     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
732       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
733     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
734        exp1, ideal_2D_oce
735     - change data file of oceanic exp (leave the results unchanged for now)
736       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
737    o set gravitySign automatically according to the vertical coordinate used
738      (and change sign: back to "logical" value: +1 when R increases downward)
739    o added an include barrier to the default CPP_OPTIONS.h and
740      removed the #include "PACKAGES_CONFIG.h" from it
741    o fix a bug in mom_fluxform (from chk51j_post)
742    
743    checkpoint51j_post
744    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
745    o adjusted some flow directives (dynamics, thermodynamics)
746    o added cubed-sphere case to test cost function
747    o heckpoint_lev?_directives.h now include
748      pkg-specific directives, whenever those are enabled.
749    o Moving pkg-specific flow directives to corresponding pkg
750      Moving pkg-specific differentiation list to corresponding pkg
751      Moving pkg-specific checkpoint-lev storing to corresponding pkg
752      ---> conventions are
753           - pkg_ad.flow
754           - pkg_ad_diff.list
755           - pkg_ad_check_lev?_dir.h
756    
757    checkpoint51i_post
758    o merge of the branch-genmake2
759      - knowingly breaks the older genmake
760      - automatic generation of all ALLOW_${PKG_NAME} defines
761      - new testreport supersedes older testscript
762    o large number of package inclusion and header cleanups
763    checkpoint51i_pre
764    
765    o new output for adjoin of global ocean vector invariant
766    o fix for checkpoint of thermodynamic seaice and bulk_force
767    o Steph gchem various cleanups
768    
769    checkpoint 51h_pre
770    o fixed some single quotes
771    o modify gchem pkg to be more versatile
772    o modifications to clean up dic pkg
773    o add pkg/cfc
774    
775    checkpoint51g_post
776    o provide links for ARPACK and ADM*TLM
777    o start removing verification/vero/
778    o update AD-related stuff
779      (in particular some IF-statements in model/src/ routines)
780    o adding to verification/global_ocean.90x40x15/ adjoint of
781      vector invariant setup
782    
783    checkpoint51f_post
784    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
785    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
786      of tracer Green's fucntions for ocean inversion project.
787    
788    checkpoint51f_pre
789    o Added on-the-fly spatial interpolation capability
790        "USE_EXF_INTERPOLATION" to pkg/exf.
791      - This is a temporary Cartesian-grid hack until
792        the super-duper ESMF coupler becomes available.
793      - See verification/global_with_exf/README for usage example.
794      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
795        flags and modified pkg/seaice accordingly.
796    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
797        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
798        non-local transport term.
799    
800    checkpoint51e_post
801    o pkg/mom_vecinv:
802      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
803      - add time-ave diagnostic of vorticity advection.
804    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
805    o atmospheric geopotential: - include water vapor effect;
806                                - use p^kappa in p* scaling.
807    o land pkg: read initial state from files.
808    o AIM : add stratospheric drag in the upper level
809    
810    checkpoint51d_post
811    o change function ILNBLNK (=> last non-blank char.) to return zero
812      (instead of the string length) when the string. char is empty
813    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
814    o modif's to restore TAMC compatibility
815      - avoid "_d" constructs in PARAMETER declarations
816      - avoid interrupting lines by comment lines
817    o Use cluster local disks for purely local I/O
818      vs. globally visible disks needed for ctrl stuff
819      (merged from ecco-branch)
820      - new active_file_loc... and mdsio_..._loc routines
821      - affected packages: autodiff, ctrl, grdchk, mdsio
822    
823    checkpoint51c_post
824    o introducing integer flag debugLevel
825      - debLevZero: suppress all output
826      - debLevA: standard
827      - debLevB: equivalent to current debugMode=.TRUE.
828    o introducing pathname variable mdsioLocalDir for mdsio
829      that can be specified at runtime
830      (relevant for cluster I/O to local disk)
831    `
832    >>>checkpoint51b_post
833    adjoint of ptracers
834    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
835    o extended state in checkpoint_lev?, etc.
836    o alternative ctrl/cost with tr1 or ptracer
837    o new comlev1_bibj_ptracers
838    o new ptracers.flow
839    o made ptracers_forcing same as external_forcing_s
840    o added verification for adjoint with ptracers
841      - adm. grdchk fail so far
842      - tlm. grdchk OK
843      - checked tapelev/comlev recomputations: OK
844    <<<checkpoint51b_pre
845    
846    checkpoint51a_post
847    o added code for biogeochemistry package
848      - new pkgs: dic, gchem
849      - new subroutine in ptracers
850    o modify code for biogeo packages
851      - in model/src and pkg/ptracers
852    
853    checkpoint51
854    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
855      - autodiff, ctrl, exf, grdchk, seaice
856      kept separate packages
857      - cost, ecco, obcs
858    o updating verification/internal_wave, verification/lab_sea
859      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
860    
861    checkpoint50i_post
862    o Preparing next differentiable checkpoint and sync
863      of MAIN vs. ecco-branch
864      - 1st step: this one is differentiable
865      - 2nd step: next(! not this) checkpoint will have updated packages
866                  from ecco-branch)
867    
868    checkpoint50h_post
869    o new package "land": provide surface BC for AIM.
870    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
871    o AIM: use true log-P extrapolation for near surface temp (= as in
872        F.Molteni paper) ; update aim.5l_cs output.
873    o New variable in PARM03 for more flexible pickups
874    o somewhat cleaned package initialisation sequence for
875      ctrl/ cost/ ecco/ in packages_... routines
876    
877    checkpoint50g_post
878    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
879      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
880      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
881        made the default because of faster convergence than ADI
882    
883    checkpoint50f_post
884    o exf totally restructured
885      - replaced all exf_set_ routines by one generic exf_set_gen.F
886        and made sure it's still differentiable
887      - split exf_getffields.F into new exf_bulkformulae.F
888      - exf_inscal_/exf_outscal_ suffixes consistent with field names
889      - updated adjoint/makefile and relevant verif. accordingly
890    
891    checkpoint50f_pre
892     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
893          + change Evap over land. (update aim.5l_cs output)
894     o added missing .cvsignores and made uniform across expts
895     o changed configuration of tidal_basin_2d expt
896     o added pkg/debug functions for tracing code in fatal crashes
897     o tidied pkg/monitor to use MONITOR_OPTIONS.h
898     o new fn in pkg/monitor to stop model if solution grows too big
899     o removed lots of single quotes from comments
900    
901    checkpoint50e_post
902    o make KPP work with PTRACERS
903     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
904       nearly a copy of kpp_transport_s
905     - there is no analogue to SurfaceTendencyS, so I have to use
906       gPtr(of the surface layer) instead
907    o add a new platform SunFire+mpi (SunFire 15000) to genmake
908    checkpoint50e_pre
909    
910    checkpoint50d_post
911    o change kpp output from multiple-record state files to single-record state
912      files analogous to write_state.F
913    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
914      analogous to the cg2d-related output.
915    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
916      so that writing to internal file fn (with length 512) fails.
917    checkpoint50d_pre
918    
919    checkpoint50c_post
920    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
921    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
922    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
923    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
924    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
925    
926    checkpoint50c_pre
927    Merging from release1_p13:
928    o bug fix for pkg/seaice dynamic solver
929    o Added SEAICE_initialHEFF to pkg/seaice
930    
931    checkpoint50b_post
932    o store u*,v* in gU,V instead of in guNm1,gvNm1
933    o in order to put the momForcing out of the Adams-Bashforth:
934      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
935      to timestep.F
936    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
937    o re-generate output for highly sensitive test-exp:
938       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
939    
940    checkpoint50b_pre
941    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
942    o corrected CPP option mismatch in exf_Bulk... functions for case
943      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
944    
945    checkpoint50a_post
946    o Bug fix for merging between c50 and KPP.
947      ikey was passed from thermodynamics to kpp_calc via
948      common block rather than being recomputed in kpp_calc,
949      in contradiction with new key itdkey.
950      New key ikppkey created, and tamc.h headers updated.
951    
952    checkpoint50
953    - 2nd step of merge with ecco-branch:
954      merge changes in ecco-branch back into main trunk
955    - bug fix in find_alpha
956    - more storing in gmredi_calc_tensor.F, kpp_routines.F
957    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
958    - merged some sliced AD support routines
959    
960    checkpoint49
961    merged from ecco-branch:
962    o exf:
963      - Enable initialisation of forcing fields to constant
964        (runtime) values.
965      - in exf_getffields.F
966        Reduce i-/j-loop to interior domain, discarding overlaps.
967        That also fixes wrong TAF-key computations for key_1, key_2
968        with bulf formulae.
969      - exf_init.F modify #ifdef for exf_init_evap
970      - exf_getffieldrec.F, ctrl_getrec.F
971        The following INT-usages are not safe:
972          fldsecs  = int(fldsecs/fldperiod)*fldperiod
973          fldcount = int(fldsecs/fldperiod) + 1
974        and were modified.
975    o autodiff: checkpoint_lev...
976      - updated storing for bulk formulae (some arrays were missing)
977      - added state for seaice package
978      - synchronized with main branch
979    o DIVA:
980      Modif.s in
981      - the_main_loop.F
982      - the_model_main.F
983      and added cost_final_restore.F cost_final_store.F
984      o With these changes, it is possible to fully separate
985        the first forward run to compute the cost function (mdthe_main_loop)
986        and adjoint runs over individual DIVA intervals (adthe_main_loop)
987        into separate model executions.
988        This enables better tuning of DIVA to given queue sizes.
989      o Loss of cost function value in consecutive DIVA runs is
990        fixed by storing to 'costfinal' file.
991      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
992        beginning/end of adjoint integration is accounted for.
993      The current changes apply to TAF-1.4.26.
994      TAF has one remaining bug, requiring one manual change
995      (see MITgcm manual).
996    o cal: synchronized between MAIN and ecco-branch
997    
998    checkpoint48i_post
999    o Changes to restore differentiability of code w.r.t. previous tag
1000      (mostly adding new routines to make list and replacing
1001      pressure by totPhiHyd).
1002    o Updated and merged grdchk package
1003      - has both ADM and TLM checks
1004      - works for single- and multi-proc.
1005      - output cleaned
1006      - worked successfully for parallel DIVA
1007    o genmake:
1008      - Adding -platform=SP4
1009      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1010    o Modif. for DIVA:
1011      ctrl_unpack should not be called in intermediate DIVA interval.
1012      (similar thing would apply for active files such as
1013      tbar, sbar, psbar, which should not be reinitialised;
1014      only relevant for ecco-branch)
1015    
1016    checkpoint48h_post
1017    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1018    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1019    o Added SEAICE_initialHEFF to pkg/seaice
1020    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1021    
1022    checkpoint48g_post
1023    --- EOS:
1024    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1025      store total Potential in totPhyHyd for diagnostics & EOS.
1026    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1027    --- Pressure/geopotential gradient:
1028    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1029    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1030      ( changes results of global_ocean_pressure )
1031    o NLFS + z-coord.: add eta*Rho' contribution.
1032    o accurate phiHyd when using interface-W at the middle between 2 centers
1033     ( changes results of ideal_2D_oce )
1034    o includes r* 2nd term in potential gradient.
1035    
1036    checkpoint48f_post
1037    Merging from release1_p12:
1038    o Modifications for using pkg/exf with pkg/seaice
1039      - improved description of the various forcing configurations
1040      - added basic radiation bulk formulae to pkg/exf
1041      - units/sign fix for evap computation in exf_getffields.F
1042      - updated verification/global_with_exf/results/output.txt
1043    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1044      (SBO) core products, including oceanic mass, center-of-mass,
1045      angular, and bottom pressure (see pkg/sbo/README.sbo).
1046    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1047      to avoid negative values in shallow regions.
1048      - updated verification/natl_box/results/output.txt
1049      - updated verification/lab_sea/results/output.txt
1050    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1051    o Added useSingleCpuIO option (see PARAMS.h).
1052    o Updated useSingleCpuIO option in mdsio_writefield.F to
1053      work with multi-field files, e.g., for single-file pickup.
1054    o pkg/seaice:
1055      - bug fix in growth.F: QNET for no shortwave case
1056      - added HeffFile for specifying initial sea-ice thickness
1057      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1058    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1059      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1060    o pkg/seaice:
1061      - adjoint-friendly modifications
1062      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1063    
1064    checkpoint48e_post
1065    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1066    o dynamics: change definition of computational domain & adapt mom_fluxform
1067      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1068    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1069        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1070        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1071        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1072        inverted_barometer solid-body.cs-32x32x1
1073      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1074    
1075    checkpoint48d_post
1076    o in preparation for r*:
1077     a) use pre-computed gradient of hydrostatic potential:
1078        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1079     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1080        => affects results of glob_oce_pressure (different truncation error)  
1081      update output.txt of ideal_2D_oce & global_ocean_pressure
1082    
1083    checkpoint48d_pre
1084    o in preparation for r*:
1085      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1086      pass the 2 comp. of the grad. as arguments to momentum S/R.
1087      but for the moment, only used if it does not change the results.
1088    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1089    
1090    checkpoint48c_post
1091    Modifications in treatment of initial flux forcing controls
1092    to avoid extra storing of flux fields.
1093    
1094    checkpoint48c_pre
1095    o Added tidal_basin_2d experiment (currently 1D!)
1096    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1097    
1098    checkpoint48b_post
1099    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1100     (modification to pressure gradient not yet implemented)
1101    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1102      (for U & V) that are used for vertical advection of momentum.
1103    
1104    checkpoint48a_post
1105    o In preparation for r*, use temp. array to compute vertical transport
1106       in flux-form momentum pkg. => change results of few test-exp.
1107      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1108                        lab_sea, natl_box & plume_on_slope
1109    
1110    checkpoint48
1111    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1112    
1113    checkpoint47j_post
1114    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1115    o moved adexch from forward_step to addummy_in_stepping
1116    o added exch in ctrl_map_...
1117    o aveFreq.=0. at end of cost_final to avoid overwrite in
1118      reverse checkpointing loop
1119    o Yet more changes in gmredi:
1120      * adgmredi_calc_tensor
1121        avoiding all recomputation of gmredi_slope_limit
1122      * adgmredi_x/y/rtransport
1123        added flag for excessive storing to avoid recomp. of
1124        u/v/rtans, dTdx/y/z
1125        -> this is not really necessary and very memory-consuming
1126      * adgmredi_slope_psi:
1127        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1128      * gmredi_slope_limit
1129        re-activated full calculation of taperfct for case 'ac02'
1130    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1131    
1132    checkpoint47i_post
1133    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1134    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1135      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1136    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1137    o gmredi: fix few bugs.
1138    
1139    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1140    This will be a good checkpoint to plug into the ecco-branch.
1141    o few modif.'s to get latest version adjointed
1142      (mainly kick out code in ini_linear_phisurf)
1143    o modif's to run adjoint with exactConserv
1144    o case GM_BOLUS_ADVEC should be cleaned
1145      S/R gmredi_slope_psi should be cleaned
1146    o verification/carbon now has exactConserv=.TRUE.
1147    
1148    checkpoint47g_post
1149    o time-average AIM output: becomes independent from statvars time-average
1150      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1151    o After TAF bug fix:
1152      Tested adjoint of gmredi package.
1153      Tests were done with checkpoint47 rather than with latest
1154      checkpoint47f_post since the latter is broken for the adjoint
1155      verification/carbon/ contains both ADM and TLM gradient checks.
1156    Here they are, before they get changed/lost/stolen.
1157    Mostly modif.'s to fix numerical sensitivities.
1158    Gradient checks OK for
1159    - GM_taper_scheme:
1160      * clipping
1161      * ac02
1162      * linear
1163      * glw91
1164      * dm95
1165      * ldd97
1166    - GMREDI_OPTIONS:
1167      * GM_VISBECK_VARIABLE_K
1168      * GM_NON_UNITY_DIAGONAL
1169      * GM_EXTRA_DIAGONAL
1170      * GM_BOLUS_ADVEC
1171    in conjunction with data.gmredi parameters to be checked in
1172    in a few minutes under verification/carbon/code/
1173    
1174    checkpoint47f_post
1175    Merging from release1_p10:
1176    o modifications for using pkg/exf with pkg/seaice
1177      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1178        and SEAICE_EXTERNAL_FLUXES
1179      - pkg/exf CPP options EXF_READ_EVAP and
1180        EXF_NO_BULK_COMPUTATIONS
1181      - usage examples are Experiments 8 and 9 in
1182        verification/lab_sea/README
1183      - verification/lab_sea default experiment now uses
1184        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1185    
1186    checkpoint47e_post
1187    o created a tag prior to creating a branch
1188    
1189    checkpoint47d_post
1190    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1191      at the bottom boundary had an erroneous half slip boundary condition
1192    o added bottom drag and no slip boundary condition capabilities to
1193      oceanic pressure coordinates code
1194    o added new verification experiment global_ocean_pressure, this experiment is
1195      also described in the tutorial section of the manual
1196    checkpoint47d_pre
1197    
1198    checkpoint47c_post
1199    o Added a verification experiment for a global cubed-sphere ocean run
1200      -  verification/global_ocean.cubed32x32x30
1201      -  uses pkg/therm_seaice and pkg/bulk_forcing
1202    
1203    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1204    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1205      when using P-coordinate; only implemented for atmospheric config.
1206    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1207      NOTES: requires option NONLIN_FRSURF to be "#define".
1208    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1209    
1210    checkpoint47b_post
1211    Merging from release1_p9:
1212    o pkg/seaice
1213      - removed GOTO's and added taf directives
1214      - double precision constants to reduce the g77 (Linux)
1215        to F77 (SGI) differences reported in release1_p8
1216    o tools/genmake
1217      - added SGI options
1218    o verification/testscript
1219      - updated to that of checkpoint47a_post
1220    o verification/global_ocean.90x40x15/input/eedata
1221      - modified for SGI f77 compatibility
1222    o verification/lab_sea
1223      - added description of sea-ice model
1224      - added missing matlab routines
1225      - added test of thermodynamics parallelization
1226    
1227    checkpoint47a_post
1228    o new pkg: aim_v23
1229     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1230       for now, keep the same surface forcing as before.
1231     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1232     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1233     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1234    o add diagnostic of surface correction term in monitor output
1235    
1236    o bulk_force and therm_seaice
1237    - Two packages:  bulk_force (Bulk forcing)
1238      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1239    - Earlier integration from Stephaine Dutkiewicz
1240      and Patrick Heimbach.
1241    - Two ifdef statements for compile time,
1242       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1243    
1244    checkpoint47
1245    differentiable version of checkpoint46n_post
1246    o bug fix in quasihydrostaticterms
1247    o * "clean" adjoint code (in terms of extensive recomputations)
1248        can now be obtained for all GMREDI options (i.e. for
1249        - GM_VISBECK_VARIABLE_K
1250        - GM_NON_UNITY_DIAGONAL
1251        - GM_EXTRA_DIAGONAL
1252        - GM_BOLUS_ADVEC )
1253      * However, wrong gradient check problem remains unsolved.
1254      * New CPP options have been introduced for different
1255        tapering schemes
1256    o external_fields_load now part of differentiation list
1257    o pressure needs multiple storing;
1258      would be nice to have store_pressure at beginning or
1259      end of forward_step, e.g. by having phiHyd global (5-dim.)
1260      (NB: pressure is needed for certain cases in find_rho,
1261      which is also invoked through convective_adjustment).
1262    o recomputations in find_rho for cases
1263     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1264    o #define ATMOSPHERIC_LOADING should be differentiable
1265    o ini_forcing shifted to begining of initialise_varia
1266    o Incorporating QNVS line search routines into MITgcm
1267      (this is separate code, and therefore not under pkg)
1268      lsopt/, optim/
1269    o Updated verification/carbon/
1270      - #define GM_VISBECK_VARIABLE_K
1271      - GM_taper_scheme    = 'ldd97'    
1272    
1273    checkpoint46n_post
1274    Merging from release1_p8:
1275    o verification/natl_box:
1276      updating new external_fields_load routine
1277    o New package: pkg/seaice
1278      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1279      The sea-ice code is based on Hibler (1979-1980).
1280      Two sea-ice dynamic solvers, ADI and LSR, are included.
1281      In addition to computing prognostic sea-ice variables and diagnosing
1282      the forcing/external data fields that drive the ocean model,
1283      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1284      The implied surface heat flux is then stored in variable
1285      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1286      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1287      non-local transport term.  Because this call precedes model
1288      thermodynamics, temperature under sea-ice may not be "exactly" at
1289      the freezing point by the time theta is dumped or time-averaged.
1290      N.B.: fairly large differences in accuracy occur across
1291            different platforms/compilers; comparison between
1292            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1293            generated output gives:
1294       T           S           U           V
1295      C D M    c        m  s        m  s        m  s        m  s
1296      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1297      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1298      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1299    
1300      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1301    o GAD:
1302      - generated new common blocks to account for call of
1303        same gad routines with differing traceridentities
1304        (needed to modify tracerIdentity indices in GAD.h)
1305      - generated separate common blocks for case useCubedSphereExchange
1306        (Department of Futurology)
1307      - parameter lists to gmredi_?transport: added tracerIdentity
1308      - added new key indices to tamc.h
1309    o external_fields_load:
1310      - added this routine to TAF list
1311      - needed to make some common blocks global and additional storing
1312        along the same lines as exf package (checkpoint_lev?_directives.h)
1313    o exf:
1314      updated external forcing package
1315      - bug fixes carried over from ecco-branch
1316        (missing OBCS_OPTIONS.h in two routines)
1317      - enable easy to use "no forcing".
1318      - added exf I/O for atmospheric loading
1319      - added exf I/O for runoff data
1320      - transfered scaling between exf <-> MITgcm to exf namelist
1321    o Adding new verification experiment global_with_exf.
1322      This verification experiment is almost identical to the
1323      global_ocean.90x40x15 experiment, except that it uses
1324      the exf (and cal) package instead of the
1325      external_fields_load routine (cf README file).
1326    
1327    checkpoint46m_post
1328    o modified testscript to return -- when there are no lines of "%MON" output
1329    o added new flag "quasiHydrostatic" for QH mode
1330      and new routine quasihydrostaticterms()
1331    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1332      New routine: mom_u_coriolis_nh()
1333    o fixed sign of non-hydrostatic metric terms in u and v equations.
1334      Depend on correct sign of gravitySign.
1335    o added work.pc* to .cvsignore in aim directories using ifc
1336    o introduced flag for controllin non-hydrostatic metric terms
1337    o removed gravitySign from PARM04
1338    o switched to g77/ifc from pgf77 in aim experiments
1339    
1340    checkpoint46l_post
1341    o made convective adjustment work with pressure coordinates:
1342     - changed the direction of k-loop in convective_adjustment.F for the
1343       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
1344     - adjusted the reference pressure k-index in convective_adjustment.F
1345     - adjusted the convection condition in convect.F (in analogy to
1346       calc_ivdc.F)
1347     - convective_adjustment no longer computes anything on the halos
1348     - removed the warnings about negative salinity from find_rho.F and
1349       find_alpha.F; instead the new routine look_for_neg_salinity, called
1350       at the beginning of find_rho, find_alpha, and find_beta, does a
1351       check of the entire slice, if CPP-option
1352       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
1353    checkpoint46l_pre
1354    
1355    checkpoint46k_post
1356    o fixed the verification/global_ocean.90x40x15 experiment:
1357     - new bathymetry (the world according to A., JMC, and M.)
1358     - new initial fields and forcing fields (*.bin files)
1359     - new POLY3.COEFFS (for the next release one should switch to a full
1360       equation of state: JMD95P or MDJWF)
1361     - fixed several errors and redundancies in the data file
1362     - experiment uses looped cells
1363     - added matlab directory with diagnostic scripts for plotting of output
1364    
1365    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
1366     - read AIM physics parameters from a file (data.aimphys)
1367     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
1368    
1369    checkpoint46j_post
1370    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
1371    o move wVel computation at the end of the time step, in S/R integr_continuity
1372    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
1373    o update timeave pkg for wVel diagnostic.
1374    checkpoint46j_pre
1375    
1376    checkpoint46i_post
1377    o Clean up AIM package (and keep the results unchanged):
1378      include CPP_OPTION and use IMPLICT NONE in all routines ;
1379      declare all the variables _RL ; use _d 0 for all numerical constants.
1380      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
1381    
1382    checkpoint46h_post
1383    o cleaned up the use of rhoNil and rhoConst.
1384      - rhoNil should only appear in the LINEAR equation of state, everywhere
1385        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
1386        and the dynamical equations are all divided by rhoConst
1387    o introduced new parameter rhoConstFresh, a reference density of fresh
1388      water, to remove the fresh water flux's dependence on rhoNil. The default
1389      value is 999.8 kg/m^3
1390    o cleanup up external_forcing.F and external_forcing_surf.F
1391      - can now be used by both OCEANIC and OCEANICP
1392    checkpoint46h_pre
1393    
1394     Added code to convert surface volume flux (fresh water) into
1395     a mass flux when using P coordinates in the ocean (OCEANICP).
1396     Note: It assumes you have set rho0=rhoConst=density of fresh water.
1397    
1398    checkpoint46g_post
1399    o Include a new diagnostic variable phiHydLow for the ocean model
1400      - in z-coordinates, it is the bottom pressure anomaly
1401      - in p-coordinates, it is the sea surface elevation
1402      - in both cases, these variable have global drift, reflecting the mass
1403        drift in z-coordinates and the volume drift in p-coordinates
1404      - included time averaging for phiHydLow, be aware of the drift!
1405    o depth-dependent computation of Bo_surf for pressure coordinates
1406      in the ocean (buoyancyRelation='OCEANICP')
1407      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
1408        Theta, Salinity, and Pressure in the parameter list. This routine is
1409        presently contained in find_rho.F. This routine does not give the
1410        correct density for 'POLY3', which would be a z-dependent reference
1411        density.
1412    o cleaned up find_rho
1413      - removed obsolete 'eqn' from the parameter list.
1414    o added two new verification experiments: gop and goz
1415      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
1416    checkpoint46g_pre
1417    
1418    checkpoint46f_post
1419    o Enable tangent linear (forward mode) gradient checks:
1420      - extended active file handling to g_... files
1421      - added TANGENT_SIMULATION to theSimulationMode
1422      - extended grdchk package accordingly
1423    o added tangent linear setup in verification/carbon/code_ftl
1424    o added adjoint setup in verification/front_relax/code_ad
1425    
1426    checkpoint46e_post
1427    o Added new equation of state -> MDJWF
1428      - EOS of McDougall et al., 2002, JAOT, submitted
1429      - caveat: the equation of state is only valid for a smaller (more
1430        realistic?) range of values than JMD95P/Z and UNESCO
1431      - added masks to the calculation of pressure in store_pressure
1432      - added more check values for density in check_eos (ini_eos.F), some of
1433        the old check values are out of the range of the MDJWF-eos, so don't
1434        expect perfect matches for those
1435    checkpoint46e_pre
1436    
1437    checkpoint46d_post
1438    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
1439      'OCEANICP', also initialised field pressure correctly in ini_eos in the
1440      case of pressure coordinates. eosType='JMD95Z' in
1441      combination with buoyancyRelation='OCEANICP' now causes an error.
1442    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1443      in find_alpha/beta.
1444    checkpoint46d_pre
1445    
1446    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
1447      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
1448    
1449    checkpoint46c_post
1450    o Changes necessary for ocean in p-coordinates
1451     -  Added new buoyancy relation = 'OCEANICP'
1452     -  Added new parameters = gravitySign (this used to be contained inside
1453        the factor dRdZ which I added when we first switched to R coordinates).
1454     X GM/Redi is not compatible (yet)
1455     X bottom drag and no-slip need to be debugged.
1456    checkpoint46c_pre
1457    
1458    checkpoint46b_post
1459    o Added new equation of state -> JMD95Z and JMD95P
1460      - EOS of Jackett and McDougall, 1995, JAOT
1461      - moved all EOS parameters into EOS.h
1462      - new routines ini_eos.F, store_pressure.F
1463    o Added UNESCO EOS, but not recommended because it requires
1464      in-situ temperature (see JMD95)
1465    o Modified formatting for knudsen2.f in utils/knudsen2 and added
1466      unesco.f to be used with POLY3
1467    checkpoint46b_pre
1468    
1469    checkpoint46a_post
1470    o Added (atmospheric) pressure loading
1471      - new field in FFIELDS.h, etc...
1472      - new cpp flag ATMOSPHERIC_LOADING
1473    o Changed hFacC to _hFacC in calc_phi_hyd.F
1474    o Added SHORTWAVE_HEATING to some files for consistency
1475    checkpoint46a_pre
1476    
1477    checkpoint46
1478    further merges from release1_p5
1479    o new ctrl package
1480      - adopted from ECCO environment to enable optimization
1481      - added Eliassen Palm fluxes to controls
1482    o added Eliassen Palm flux controls to gradient check package
1483    o cost package
1484      - Compatible with new ctrl package
1485      - added Eliassen Palm cost hooks
1486      - modif's of existing cost functions
1487    o Adjoint-related bug fixes in kpp:
1488      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1489      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1490    o autodiff package
1491      - flow directives:
1492        + new for S/R do_the_model_io
1493        + enhanced for S/R checkpoint
1494        + new gmredi.flow
1495      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1496        disable adcommon.h/g_common.h by default.
1497      - fixed problem for adjoint of global_max
1498    o modified verification/carbon/
1499    o New setup for adjoint of global_ocean
1500    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1501    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1502    o incorporated hooks for sponge layer code (external_forcing.F)
1503    
1504    checkpoint45d_post
1505    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1506  o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S  o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1507    (affects plume_on_slope "cg2d" output)    (affects plume_on_slope "cg2d" output)
1508    o add new parameter deltaTfreesurf for free-surface time stepping
1509    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1510  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B  o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1511  o change phiMin in exp1 (to agree with documentation)  o change phiMin in exp1 (to agree with documentation)
1512  o add new flags:  o add new flags:

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