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revision 1.94 by adcroft, Tue Nov 5 19:13:52 2002 UTC revision 1.406 by mlosch, Thu Dec 9 09:03:32 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 add horizontal bi-harmonic viscosity for vertical velocity
7      - new parameter viscA4W (defaults to viscA4)
8      - affects only non-hydrostatic code
9      - to be done: no-slip lateral boundary conditions
10    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
11    o implement Implicit Vertical advection for pTracers
12    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
13      (implemented also for implicit vertical diffusion & advection)
14    o OBCS: extend application of tracer open boundary conditions
15      to a strip beyond the boundary of width Olx/Oly
16    o add call monitor to TAF set of required calls (flow directives)
17      and include in natl_box_adjoint
18    o untangle a few ifdefs related to cost, ctrl, autodiff
19      untangel a few ALLOW_ECCO_OPTIMIZATION
20    
21    checkpoint56c_post
22    o OBCS as control variables
23      - update ctrl_ad_diff.list, obcs_ad_diff.list
24      - remove balance of obcs controls from default
25      - fix index bug nobcs in ctrl_init
26      - fix dummy fields filen in ctrl_pack
27      - add dummy weights for obcs
28    o lsopt: comment out fort.94 output
29    o optim:
30      - remove unnecessary header files
31      - adjusted namelists
32      - add xerbla.F to Makefile
33    o exf:
34      - multiple modifications of exf_check_range
35      - unit change in exf_init_runoff from [m/year] to [m/s]
36    o mdsio:
37      - i/o-vector change debugLevel from debLevA to debLevB
38    
39    checkpoint56b_post
40    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
41      is called from DO_THE_MODEL_IO
42      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
43      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
44      - clean up PTRACERS_WRITE_TIMEAVE a little
45    o add another verification experiment that tests both the cfc-pkg and
46      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
47      reactive tendencies treated inline with regular timestepping
48    o testreport previously did a lousy job of comparing small numbers, so
49      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
50      implemented in the little c-progam tmp_cmpnum.c which is embedded in
51      testreport.
52    o ptracers_monitor: bug fix for MPI
53    
54    checkpoint56a_post
55    o GCHEM: finish reorganizating the package
56      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
57        (introduces another 3D-array for each passive tracer, but only if
58        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
59        gchemTendency is not needed because the timestep is done separately)
60      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
61      - GCHEM is now---more or less cleanly---separate from PTRACERS
62      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
63        so clear to me how that should be done in a general way.
64    o CFC: improve formatting of output in CFC_ATMOS
65    o PTRACERS:
66      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
67        that ALL experiments with ptracers enable can be checked. This makes
68        GCHEM_MONITOR obsolete.
69      - include a runtime parameter PTRACERS_monitorFreq that defaults to
70        monitorFreq
71      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
72    o add PTRACERS (PTR0[1-5]) to testreport output
73    o exf_check_range:
74      * default changed to .TRUE.
75      * will check values for niter0 if debLevA, every timestep if debLevB
76      * STOP in exf_check_range if 'out of range'
77      * range chosen generous to allow for potential extema
78      TBD: a version with stricter range
79           permitted range would be runtime parameters
80    o GMredi:
81      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
82      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
83      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
84    o GCHEM:
85      - move call to GCHEM_FORCING_SEP, so that it is now called before
86        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
87      - introduced a useGCHEM runtime flag and applied it everywhere.
88      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
89        this flag is now only visible within GCHEM-pkg routines.
90      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
91        be replaced by a 3D array that is computed before thermodynamics; for
92        this, the tracer ID iTracer had to be included into the parameter list
93        of ptracers_forcing
94      - set up forward_step to call gchem_forcing, that will replace
95        gchem_forcing_int in ptracers_forcing
96      - cleaning up
97    o small cleaning of exch2: remove files that are also in eesupp/src
98    
99    checkpoint56
100    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
101    o mnc: cleanup "full" files--fixes out-of-memory problem
102    o ECCO-GODAE
103      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
104      * fully merged and updated from SIO code
105        windstress sign change affects
106        - exf_inscal_[u/v]stress
107        - sign of xx_tau[u/v] adjustments
108        - signs in cost_scat
109      * ctrl_get_gen: avoid update of tau[u/v] for first few days
110      * natl_box_adjoint updated and compressed
111      * 2-level checkpoint switch added
112        (tested in EXP. 1 of natl_box_adjoint)
113      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
114    o SVD
115      * first complete, non-hacked version for SVD calculations
116      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
117        performed via direct access files admtlm_vector.it????
118        (via ctrl_[un]pack)
119      * optimcycle is used for ARPACK iteration counter
120        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
121      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
122        and add linear transforms where necessary
123      * controls are initial/final SST, SSS (can be extended; need to check
124        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
125    o mdsio: filename info to both stderr, stdout
126    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
127      from sign change
128    
129    checkpoint55j_post
130    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
131      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
132    o add consistent build directories and .cvsignore files to verification
133    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
134    o make all subroutines 30 or less characters in length for certain older
135      compilers to work (a thorough search only turns up two routines in
136      pkg/ptracers)
137    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
138      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
139    
140    checkpoint55i_post
141    o change arrays for total vertical diffusivity (2.D if explicit,
142      3.D if implicit) ; each ptracer uses its own background value.
143    o added mnc/NetCDF output capability to ocn_compon_interf
144      - added bits to verification/cpl_aim+ocn so that it can run on
145        ITRDA and other clusters without the mpirun "-wd" option
146    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
147      configuration
148    o give MNC the ability to create additional files rather than
149      exceeding a specified file size limit "MNC_MAX_FILESIZE"
150      - the default is just less than 2GB which is a practical limit
151        on many systems
152    o Compute the non-local term using either KPP vertical diffusivity (=default)
153       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
154    
155    checkpoint55h_post
156    o add verification test "vermix"
157    o remove all the *_ioinc flags and replace with the single global
158      outputTypesInclusive flag
159    o allow to set a vertical profile of vertical diffusivity for T & S
160    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
161    o useMNC moved from data.mnc to data.pkg
162    
163    checkpoint55g_post
164    o Renaming carbon AD experiments to comply with testreport conventions
165    o Updating adjoint of Held-Suarez hs94.1x64x5
166    o Fixing directives for non-ECCO forward_step, after ECCO directives
167      have been fixed to avoid recomp. of do_oceanic_phys
168      Works well for global_ocean.90x40x15,
169      but recomp. issue remains for carbon
170    o Updating adjoint output for natl_box_adjoint after
171      pkg/ecco has been modified (see taga c55d_post)
172    
173    checkpoint55f_post
174    o rename to timeave_init_fixed
175    
176    checkpoint55e_post
177    o some delicate re-shuffle of store directives to avoid one
178      extra call of do_oceanic_physics
179      affects ecco_the_main_loop.F, do_oceanic_physics.F
180      checkpoint_lev1_directives.h
181    o NB: this may break global_ocean adjoint temporarily,
182      but it is clear how to fix it. Will do later, need this now.
183    
184    checkpoint55d_post
185    o ECCO specific cost function terms (up-to-date with 1x1 runs)
186    o ecco_cost_weights is modified to 1x1 runs
187    o modifs to allow observations to be read in as
188      single file or yearly files
189    o enable to read exf forcing fields as either
190      single file or yearly files (flag useExfYearlyFields)
191    checkpoint55d_pre
192    
193    o switch between 2-level and 3-level checkpointing
194    o add ability of MNC to write local and "partial" (eg. 2D slices where
195      the full 3D field is never actually stored) arrays to NetCDF files
196      with the correct (that is, the complete multi-dimensional) set of
197      array indicies
198      - used in mom_vecinv() to write the diagFreq output
199      - tested (demonstrated) in verification/aim.5l_cs
200    o further mnc-ification
201      - add verification/lab_sea to the list with mnc setups
202      - fix undefined mnc v-names in cd_code
203      - add kpp to mnc output (both snapshot and timeave)
204    o non-hydrostatic code
205      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
206        in calc_gw.F
207      - defaults to viscAh
208      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
209        friction or Leith) in non-hydrostatic mode, as long as there is
210        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
211    o pkg/cost
212      extend simple cost functions to treat time mean quantities
213      (T,U,V) via cost_accumulate_state from cost_tile
214    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
215        be 2 times larger than the minimum size the advection scheme requires.
216        now get a perfect conservation of salt in advect_cs test-exp (updated)
217    o GGL90 (Gaspar's TKE mixed layer)
218      - add horizontal diffusion of TKE, requires exchanges in
219        do_fields_blocking_exchanges, horizontal diffusivity is zero by
220        default. In OPA there is no horizontal diffusion of TKE but the
221        mixing coefficients are computed from a horizontal average of TKE of
222        6 points or so. I think that diffusion has a little more physical
223        justification.
224      - clean up ggl90_calc in the hope of reducing memory usage (this hope
225        was in vain)
226      - mask tke-variable in ggl90_init
227    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
228    o fix biharmonic diffusion on CS-grid.
229    o more obcs stuff
230      - added obcs_external_fields_load as an alternative to the EXF-pkg option
231        for reading boundary values. This routine is called from
232        obcs_prescribe_read
233      - updated obcs_check
234      - changed sponge layer relaxation parameter units for days to seconds
235      - turned off sponge layer by default
236      - changed argument list of OBCS_CALC to myTime+deltaTclock
237      - fixed about 35 bugs in obcs_external_fields_load
238    
239    checkpoint55c_post
240    o obcs stuff
241      - new runtime flags useOBCSprescribe, useOBCSbalance
242      - re-arranged obcs_calc
243      - moved exf_getobcs to obcs_prescibe_read
244        obcs_prescibe_read is called after ORLANSKI stuff
245        and independent of it (executable can contain all).
246      - updated obcs_check
247      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
248        These may be necessary only if tangential velocities are
249        prescribed at OB, not sure, needs testing.
250    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
251      which simplifies the calls and passes the ifc check-bounds test
252    
253    checkpoint55b_post
254    o add a 2D scalar, Z location, exchange_2 routine.
255    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
256      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
257      affects advect_cs results (for the wrong reason): update output.txt
258    o use a more standard discretization for biharmonic viscosity ;
259     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
260      affects results of dome set-up: update output.txt
261    o fix gad_advection.F (CubedSphere part), back to version 1.23
262    o fix bug in mom_vi_del2uv.F (CubedSphere part).
263    
264    checkpoint55a_post
265    o merged code to
266      * prescribe/read time-dependent open boundaries
267        (works in conjunction with exf, cal)
268      * sponge layer code for open boundaries
269      * each boundary N/S/E/W now has its own CPP option
270        (healthy for the adjoint)
271    
272    checkpoint55
273    o up-to-date adjoint of previous breaks
274      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
275      - global_ocean_ebm: adjoint still needs fix (TLM ok)
276      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
277      - carbon: * remove tr1-related adjoint verification
278                * add ptracer as control variable
279    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
280      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
281    
282    checkpoint54f_post
283    o in verification/carbin/ remove experiment related to
284      ALLOW_PASSIVE_TRACER (array tr1 etc)
285      code_ad/ input_ad/ results_ad
286    
287    o add two new packages
288      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
289        + subject to optimization (memory)
290      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
291        + subject to reordering (many GOTOs in the original code)
292        + so far opps is called for every (i,j) point, and then operates in
293          the vertical; one may want to reorder the scheme in order operate in
294          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
295          fields)
296    o overhaul of IO so that we now have flags for MDSIO and/or MNC
297      - all verification tests compile and run with linux_ia32_g77
298      - defaults are compatible with current input files--nothing
299        should change if you were not previously using MNC
300      - MNC output has been added in numerous places (eg. timeave)
301        but there are still a few writes not yet do-able with MNC
302        (this is in progress)
303      - flags now allow for either/or/both use of MDSIO and MNC and
304        documentation will soon follow
305      - numerous small formatting cleanups for ProTeX
306    o add version info (via BUILD_INFO.h) to MNC and stdout
307    
308    checkpoint54e_post
309    o add two new packages
310      - pp81 (Packanowski and Philander, 1981), Richardson number and
311        stratification dependent mixing
312      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
313      - these scheme operate in a similar manner as KPP (without ghat, of
314        course), however there is only one diffusivity that is used for both
315        temperature and salinity (and passive tracers)ç
316    o add offline package
317    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
318      provided by Stephanie Dutkiewicz
319    o genmake2: add ability to search for C compilers and cleanup test output
320      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
321    
322    checkpoint54d_post
323    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
324    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
325      leading to additional shift by 5 days each year of integration
326       (i.e. leading to considerable offset over the years)
327    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
328    o start with no AB and no initial filtering (staggerTimeStep):
329      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
330    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
331      (external loading & cpl import/export stay in forward_step.F)
332    o update coupling interface to work with new staggerTimeStep
333    o change MDSIO ptracers_pickup.
334    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
335    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
336    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
337    
338    checkpoint54c_post
339    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
340      this affects (truncation error) output.txt of test-exp:
341       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
342    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
343    o change Qnet to always be the net heat flux, (+upward).
344      affects (truncation error) output of natl_box exp.: updated
345    o define the max number of passive tracers in PTRACERS_SIZE.h
346    o start to test mnc routinely in exp0
347    o add sea-ice loading (sIceLoad) as a new forcing field.
348    
349    checkpoint54b_post
350    o add testreport "-j JOBS" option for parallel builds (tested and pretty
351       impressive on Altix and Opteron systems)
352    o diagnostics can now write NetCDF files through the mnc package
353    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
354    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
355    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
356      affects (truncation error) output of lab_sea & natl_box exp.: updated
357    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
358    
359    checkpoint54a_post
360    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
361    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
362    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
363    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
364      + internal_wave (shift in writing cg2d_ini_res)
365    checkpoint54a_pre
366    
367    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
368      - modified verification/lab_sea and natl_box_adjoint accordingly
369    
370    checkpoint54
371    checkpoint53g_post
372    o prepare splitting of thermodynamics: store convect.counter in common block
373    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
374      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
375    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
376    o new parameter "nShapS": allow to treat differently S from T (nShapT)
377    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
378    o restore adjointability
379    
380    checkpoint53f_post
381    o modifications that affect AIM experiment results (update output.txt):
382      - no advection of S at top interface Nr (pkg/generic_advdiff)
383      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
384    o AIM pkg:
385      - include stability function into surf.Flux derivative relative to Tsurf
386      - calculate clear-sky radiation & surface temp. change (for diagnostics)
387    
388    checkpoint53e_post
389    o merged cylindrical coord configuration
390    o added rotating_tank experiment
391    checkpoint53e_pre
392    
393    checkpoint53d_post
394    o faulks upgraded: re-generate output.txt that have changed:
395       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
396    o Added Bryan and Lewis, 1979, vertical diffusivity profile
397    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
398    o added Sadourny discretization of Coriolis
399      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
400      - re-enabled use of omega3 (useAbsVorticity)
401    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
402      vector-invariant equations
403      - note: does *NOT* yet use same variable visc. for no-slip BC's.
404    o recoded the lateral boundary conditions for non-hydrostatic w, this time
405      hopefully without new bugs
406      - still to do: biharmonic friction for non-hydrostatic w
407    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
408    o regenerated output for global_ocean_ebm (using -ieee)
409    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
410      of mom_common/
411      - simple re-arrangement of instructions within computing loop
412    checkpoint53d_pre
413    
414    checkpoint53c_post
415    o new version of coupler for AIM+thSIce and Ocean models
416     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
417     - land: change Evaporation of snow
418     - aim with thSIce: fix bug in snow-precip.
419    o changes to calc_gw.F
420     - bug fix for w^2 term near the bottom boundary
421     - (hopefully) improve the lateral slip boundary condtions for use with
422        partial/looped cells
423      - because the bug fix changes two verification experiments anyway (exp5
424        and plume on slope), change the lateral boundary condition from half slip
425        to the value of no_slip_sides
426    o ebm package wasnt quite up to the parallel task. Fixed that.
427    o Adjoint of EBM package + verification
428      * TLM OK
429      * ADM not sufficient accuracy yet (needs further testing)
430    
431    checkpoint53b_post
432    o Commiting new energy balance model to repository
433      * package is pkg/ebm
434      * verif. is verification/global_ocean_ebm
435      * references are in ebm_driver.F
436    C      * X. Wang, P. Stone and J. Marotzke, 1999:
437    C        Global thermohaline circulation. Part I:
438    C        Sensitivity to atmospheric moisture transport.
439    C        J. Climate 12(1), 71-82
440    C      * X. Wang, P. Stone and J. Marotzke, 1999:
441    C        Global thermohaline circulation. Part II:
442    C        Sensitivity with interactive transport.
443    C        J. Climate 12(1), 83-91
444    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
445    C        Destabilization of the thermohaline circulation
446    C        by atmospheric eddy transports.
447    C        J. Climate 7(12), 1870-1882
448    o Will need long integration testing.
449    checkpoint53b_pre
450    
451    o created pkg/mom_common in preparation for variable viscosity code
452    o renamed and split ini_mnc_io
453    o pkg/land: only liquid water can diffuse or run-off
454    o AIM using land: soil wetness availability account for snow
455    o added printMapIncludesZeros to EEPARMS namelist
456    
457    checkpoint53a_post
458    o restore TAMC compatiility for exf_constants.h
459      (no usage of _d in .h)
460    o Additional storing in KPP in an attempt to fix
461      TAMC problem with adjoint of KPP code.
462      (no success...)
463      Identical code works fine with TAF.
464    o Fixed verification/natl_box_adjoint experiments.
465      Initial conditions for Experiments 4 and 5 are now
466      set to "SEAICE_initialHEFF=0", which is more reasonable,
467      and hence gives results closer to that of Experiment 2.
468      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
469    
470    checkpoint53
471    o stable checkpoint with up to date adjoint
472      TLM tests only run for 1st grdchk at the moment. Its unclear if
473      this is a code problem or a problem with resetting code for g_
474      variables that is being autogenerated wrong.
475      Otherwise:
476       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
477       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
478         are both still in chaos following their security messes.
479    
480    checkpoint52n_post
481    o various build (mostly genmake2) changes including:
482      - ability to build/run more easily within Cygwin and MacOS X
483      - more complicated Makefiles with a stronger dependence on Gnu Make
484    o pkg/seaice modifications
485      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
486        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
487        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
488      - changed proxy for geostrophic velocity and updated
489        verification/lab_sea/results/* accordingly
490      - removed ADI dynamic solver from pkg/seaice
491      - replaced all occurrences of 1/CSTICE or 1/CSUICE
492        they caused a segmentation fault under certain circumstances
493      - removed unused field WATR
494    o bug fix in exf-package:
495      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
496         now reflect that.
497    o small fixes in the cal-package:
498      - set reference date to first of January for the 'model'-calendar
499      - failing of cal_CheckDate in cal_FullDate now actually results in a
500        warning
501    o small modifications in exf-package to increase flexibility:
502      - change climtempfreeze from a constant to a runtime parameter that
503        is specified in data.exf_clim (default = -1.9)
504      - introduce runtime parameter windstressmax (default = 2.0) that is
505        specified in data.exf
506    o fix in pkg/thsice:
507      - update Evap (Tsf changes) to be consistent with Latent heat flux
508      - maintain snow precipitation unchanged (even if Tsf >=0).
509     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
510    
511    checkpoint52m_post
512    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
513      this does not change any of the results, because myIter=0 in swfrac always
514      lead to jwtype=2 (the default anyway), but the call makes little sense
515      as a default
516    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
517    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
518      atmospheric model (AIM) to use it ; add a "slab ocean" component.
519    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
520    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
521    o extending useSingleCpuIO option to work with new exch2 I/O format
522      - old-style, missing-tile I/O is still accessible by defining CPP
523        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
524    o monitor package can write to NetCDF files and/or STDOUT
525    o fix re-definition bug in MNC_GRID_INIT_ALL()
526    o doc/api_reference added
527      - a framework for building an API Reference Manual using all
528        the "protex" comments embedded in the code
529      - see pkg/generic_advdiff, pkg/mnc for examples
530    o MNC:
531      - make myThid the last argument for all subroutines
532      - new default for the grid files: NO halos
533      - add useMNC and other run-time flags
534      - separate per-file-group handling of the unlimited dimension
535      - early initialization of MNC w/ flags read at the eeboot stage
536        and lookup tables set in initialize_fixed
537      - write all MNC output to a freshly-created directory
538    o thermodynamics sea-ice (thsice) is now tested with testreport.
539    o test exp. advect_cs: use the standard cs32 grid ; update output.
540    o Added functionality to grdchk:
541      pick global i,j,k position (or nearest wet) where to perform check.
542    
543    checkpoint52l_post
544    o new land formulation:
545      a) use ground enthalpy as prognostic variable to ensure exact
546         energy conservation.
547      b) account for water temperature and for latent heat of freezing
548         in all processes (rain, run-off, ground storage)
549      c) compute surface and ground temperature implicitly.
550    o aim_v23 modification for new land model:
551      a) Treat separately land / ocean / sea-ice surface fluxes
552         to allow implicit computation of land & sea-ice surface temp.
553      b) add snow precipitation.
554    checkpoint52l_pre
555    
556    o fix problem (when 1 tile is empty) in min/max monitor.
557    o fix bug in timeAve (u,vZetatave in common block)
558    o no restoring terms under ice for pkg/seaice
559    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
560    o bug fix for pkg/seaice pickups
561    o change MNC call locations and add coordinate attributes
562    o mask vorticity at the corner ; affects global_ocean.cs output
563    o fix ini_curvilinear_grid ; test CS experiments with mpi
564    o aim.5l_cs: modify sea-ice fraction input file ; update output
565    o exf: Adding simple range check routine for exf fields after read
566    
567    checkpoint52k_post
568    o removed top-level directory "diags"
569      - we migrated these functions to pkg/timeave a long time ago
570    o fixed bug introduced in pkg/monitor
571    o accuracy ctrlprec = 32 insuffient for gradient checks using
572      averaged fields (I/O via cost_averages)
573      -> use ctrl.h in active_file*.F to control I/O precision.
574    o paramter list of CALL ADTHE_MAIN_LOOP
575    o added initial do_the_model_io to ecco
576    o set all ...Freq to zero after cost_final
577      taveFreq, dumpFreq, pChkptFreq
578    o MAIN and ECCO differentiability restored
579    
580    checkpoint52j_post
581    o fix nchklev in tamc.h for global_ocean...
582    o Bringing flow and store directives up-to-date
583    o Really weird thing!
584      call do_the_model_io from the_main_loop with parameters
585      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
586      TAF places a faulty re-call of initialise_varia
587      after cost_final call which should not be there!
588    checkpoint52j_pre
589    
590    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
591      error messages
592    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
593    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
594      debug output
595    o modfied mdsio_writefield.F to handle non-global files under exch2
596    o update AIM Cubed-Sphere exp (aim.5l_cs):
597      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
598    o update AIM Equatorial Channel exp:
599      use standard aim_v23 pkg and change the SST fields to be more realistic.
600    o globalFile now works with exch2
601    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
602      mon_vort3.F to make exch2 friendly with >1 tile per cube face
603    o limit timeave output for hi-res integrations
604    
605    checkpoint52i_post
606    o removed CPP_EEOPTIONS.h from verification/*/code
607    o updated the tiling for global_ocean_pressure
608    checkpoint52i_pre
609    
610    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
611      the old pkg/aim).
612    
613    checkpoint52h_pre
614    o shortened offending lines in exch2_send_rx?.template
615    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
616    o genmake2: add build & execute test for NetCDF code
617    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
618      old grid files, moved CPP_EEMACROS.h to pkg/exch2
619    o added useSingleCPUIO flag to monitor.F and mon_out.F
620    o added temporary hack for sea-ice dynamics on the cube:
621      metric terms are ignored and it is assumed that
622      there is no sea-ice on cube faces 1, 2, 4, and 5.
623    
624    checkpoint52f_post
625    o added exch2 cube routines to pkg/exch2
626    o modified hs94.cs-32x32x5 to use it
627    o added new grid files to hs94.cs-32x32x5
628    checkpoint52f_pre
629    
630    checkpoint52e_post
631    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
632      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
633    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
634      to work with implicit vertical advection and AB ;
635    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
636    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
637     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
638    checkpoint52e_pre
639    
640    o fix bug in impldiff when Nr=1 or Nr=2.
641    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
642    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
643    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
644      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
645    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
646    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
647    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
648    
649    checkpoint52d_post
650    o re-tiled many expts to allow comparison in multi-processor mode
651      - updated output accordingly
652      - changed hs94.128x64x5 to use intial T from file rather than use the
653        random number generator
654    o add infrastructure in model routines for fizhi and gridalt packages
655    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
656    o changes to permit hi-res, cubed-sphere, configuration
657      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
658      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
659      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
660        of surface winds for the cube
661      (A verification experiment, based on global_ocean.cs32x15, but with
662       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
663       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
664       complete with example surface forcing files and matlab scripts to look
665       at the output and compare it with that of global_ocean.cs32x15.)
666    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
667       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
668       to conform to the common rule.
669    o check-in the first version of the coupler + interfaces for multi-components
670       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
671       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
672       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
673       - ocean and atmos. share the same horizontal grid (no interpolation).
674       - exchanges between component and coupler is done in forward_step
675    o new verification experiment, cpl_aim+ocn:
676       coupled ocean - AIM atmosphere on cs32 grid.
677    
678    checkpoint52d_pre
679    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
680    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
681    
682    checkpoint52c_post
683    o Fixing OPTIONS files for use of exf:
684      - ALLOW_ECCO not needed
685      - ECCO_CPPOPTIONS.h should not be included from
686        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
687        as has been the case in the past
688      - All cal/exf related options are currently set in
689        single header file. Should remain so until we
690        agree on a consistent new policy.
691    o Removed all CPP options for cal package.
692      cal has no more CPP options.
693    o modified STOREs in GAD_ADVECTION
694    o corrected key comp. for passkey
695    
696    checkpoint52b_post
697    o new version: "thsice" of thermodynamic sea-ice pkg:
698     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
699     - modify fluxes but do not change theta directly;
700     - light cleaning of bulk_force pkg (still needed with thsice).
701     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
702       + output_thsice.txt to test thsice & bulk_force pkgs.
703    o put back grid & coriolis monitor output.
704    checkpoint52b_pre
705    
706    o call "do_the_model_io" at the beginning (=> dump initial state)
707    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
708    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
709      (need info on NUMBER_OF_PTRACERS)
710    o missing PTRACERS headers in some routines
711    o default tamc.h in pkg/autodiff supposed to crash
712      to ensure proper customization
713    
714    checkpoint52a_post
715    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
716      - moved surfaceTendencyTice from pkg/seaice to main code
717      - subroutine FREEZE_SURFACE now limits only surface temperature
718        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
719        => new output.txt for global_ocean.cs32x15 & global_with_exf
720      - keep the old version of FREEZE for backward compatibility;
721        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
722      - corresponding modifs for TAF directives
723    o added surface flux output variables to TIMEAVE_STATVARS
724    o time-averaged output for pkg/ptracers
725    o fix problem with ECCO-related divided adjoint
726      snapshot file was missing some ad-variables,
727      but no warning issued by TAF
728    
729    checkpoint52a_pre
730    o some bug fixes for #undef REAL4_IS_SLOW
731    
732    checkpoint52 = ecco_c52_e35
733    o after testing adjoints of checkpoint51u_post
734    
735    checkpoint51u_post
736    o this is the post-merge tag of the ecco-branch
737      (needs another clean checkout and re-testing)
738    o various natl_box_adjoint configs and results
739      but no input fields
740    o obcs adjoint not yet merged!
741    o adding ECCO global 1x1 and 2x2 degree configs
742    o updated/extended some store directives for seaice
743    o pkg/ecco now containes ecco-specific part of cost function
744    o top level routines the_main_loop, forward_step
745      supersede those in model/src/
746      previous input data.cost now in data.ecco
747      (new namelist ecco_cost_nml)
748    o in ctrl/ cleaned some cross-dependencies and updated CPP options
749    
750    checkpoint51t_post
751    o this is the pre-merge tag of the ecco-branch
752    
753    checkpoint51s_post
754    o cleanup: removed various obsolete #define-s
755    o pkg/grdchk
756      - renamed 'ph-grd 3' to 'grad-res'
757      - merged from ecco-branch
758        (remaining bug fixes for obcs gradient checks)
759      - additional high-precision output for testreport
760        (grep for 'precision_grdchk_result')
761    
762    checkpoint51r_post
763    o cleaned up or removed CPP_OPTIONS.h files
764    o updated results for some of the tests to reflect the new
765      optfiles (-ieee: -O0 instead of -O3)
766    
767    checkpoint51q_post
768    o cd_code:
769      - moved cd_scheme.F -> cd_code_scheme.F
770      - separate read_checkpoint from cd_code_ini_vars.F
771      - separated cd_code part from write_checkpoint
772      - updated AD_SOURCE, generated .flow
773      - added CD_CODE_VARS.h to the_main_loop
774      - Moving cd_code specific store dir.s to pkg/cd_code
775    o ctrl package totally restructured
776      - pack/unpack now optional and decoupled from
777        xx_/adxx_ I/O
778      - ctrl_pack/unpack cleaned
779        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
780      - confined inclusion of AD_CONFIG.h to where necessary.
781    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
782    
783    checkpoint51p_post
784    o create initial cd_code package
785      - WARNING: the initialization of fields within packages
786        is broken because INI_FIELDS (where READ_CHECKPOINT is
787        called) is called *before* PACKAGES_INIT_VARIABLES.
788        This seems to be backwards since
789        1) its important to initially zero the entire field including
790           the "halo" region
791        2) zeroing needs to be done *before* reading pickup info
792           and the pickup call might or might not happen in any
793           particular run
794      - this needs an overhaul for R2
795    o cleanup verification/*/code/GMREDI_OPTIONS.h
796    o cleanup testreport
797    
798    checkpoint51o_post
799    o bringing AD-related verif's up to date with genmake2
800      - carbon/
801      - global_ocean.90x40x15/
802      - hs.94.1x64x5/
803      - (front_relax/ )
804    o (more) consistent directory structure for AD-related verif.'s
805    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
806    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
807    o bug fix in find_alpha.F for MDJWF:
808      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
809        change rho -> rho-rhoConst
810      - replace call find_rho to find_rhonum
811    o initialisation of rFlx extended to full array (required by TAF)
812      and shifted to thermodynamics
813    o removed PTRACERS.h in ptracers routine
814    o added surfacetendencyPtr to S/R parameter list pracers_forcing
815    o Correcting initialisations for fVerU, fVerV.
816    o helping TAF to recognize dependency on kUp for
817      fVerU, fVerV
818    o Replacing delZ by delR in pkg/ctrl/
819    checkpoint51o_pre
820    
821    o undid all of cp51 pending some cleanups and discussion
822    o added the [#include "AD_CONFIG.h"] statement to all files that need
823       it for adjoint/tl #defines
824     o re-worked the build logic in genmake2 to support AD_CONFIG.h
825     o removed tools/genmake since it no longer works
826    
827    checkpoint51n_post
828    o modifications to make FREEZE flux visible to pkg/kpp
829      - moved surfaceTendencyTice from pkg/seaice to main code
830      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
831      - subroutine FREEZE now limits only surface temperature
832        (this means new output.txt for global_ocean.90x40x15,
833         global_ocean.cs32x15, and global_with_exf)
834    o added surface flux output variables to TIMEAVE_STATVARS
835    
836    checkpoint51n_pre
837    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
838    o added [#include "AD_CONFIG.h"] to all files that use the following
839      defines:
840      - ALLOW_ADJOINT_RUN
841      - ALLOW_TANGENTLINEAR_RUN
842      - ALLOW_ECCO_OPTIMIZATION
843    
844    checkpoint51m_post
845    o incorporating changes to get TAMC/TAF working in genmake2
846      - added new TAMC/TAF targets to the Makefile
847      - various cleanups related to package handling
848      - these changes should have no impact on the forward model
849    
850    checkpoint51l_post
851    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
852     - faster algorithm for cal_addtime.F
853     - higher precision arithmetic, where needed
854     - pkg/exf *startdate variables changed from calendar date to
855       model integration time
856    
857    checkpoint51l_pre
858    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
859    o enable to apply restoring on S & T only in a latitude band.
860    o update output (external_forcing_surf modif. change truncation errors)
861       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
862    
863    checkpoint51k_post
864    o change default to: useNHMTerms=.FALSE.
865     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
866       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
867     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
868        exp1, ideal_2D_oce
869     - change data file of oceanic exp (leave the results unchanged for now)
870       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
871    o set gravitySign automatically according to the vertical coordinate used
872      (and change sign: back to "logical" value: +1 when R increases downward)
873    o added an include barrier to the default CPP_OPTIONS.h and
874      removed the #include "PACKAGES_CONFIG.h" from it
875    o fix a bug in mom_fluxform (from chk51j_post)
876    
877    checkpoint51j_post
878    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
879    o adjusted some flow directives (dynamics, thermodynamics)
880    o added cubed-sphere case to test cost function
881    o heckpoint_lev?_directives.h now include
882      pkg-specific directives, whenever those are enabled.
883    o Moving pkg-specific flow directives to corresponding pkg
884      Moving pkg-specific differentiation list to corresponding pkg
885      Moving pkg-specific checkpoint-lev storing to corresponding pkg
886      ---> conventions are
887           - pkg_ad.flow
888           - pkg_ad_diff.list
889           - pkg_ad_check_lev?_dir.h
890    
891    checkpoint51i_post
892    o merge of the branch-genmake2
893      - knowingly breaks the older genmake
894      - automatic generation of all ALLOW_${PKG_NAME} defines
895      - new testreport supersedes older testscript
896    o large number of package inclusion and header cleanups
897    checkpoint51i_pre
898    
899    o new output for adjoin of global ocean vector invariant
900    o fix for checkpoint of thermodynamic seaice and bulk_force
901    o Steph gchem various cleanups
902    
903    checkpoint 51h_pre
904    o fixed some single quotes
905    o modify gchem pkg to be more versatile
906    o modifications to clean up dic pkg
907    o add pkg/cfc
908    
909    checkpoint51g_post
910    o provide links for ARPACK and ADM*TLM
911    o start removing verification/vero/
912    o update AD-related stuff
913      (in particular some IF-statements in model/src/ routines)
914    o adding to verification/global_ocean.90x40x15/ adjoint of
915      vector invariant setup
916    
917    checkpoint51f_post
918    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
919    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
920      of tracer Green's fucntions for ocean inversion project.
921    
922    checkpoint51f_pre
923    o Added on-the-fly spatial interpolation capability
924        "USE_EXF_INTERPOLATION" to pkg/exf.
925      - This is a temporary Cartesian-grid hack until
926        the super-duper ESMF coupler becomes available.
927      - See verification/global_with_exf/README for usage example.
928      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
929        flags and modified pkg/seaice accordingly.
930    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
931        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
932        non-local transport term.
933    
934    checkpoint51e_post
935    o pkg/mom_vecinv:
936      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
937      - add time-ave diagnostic of vorticity advection.
938    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
939    o atmospheric geopotential: - include water vapor effect;
940                                - use p^kappa in p* scaling.
941    o land pkg: read initial state from files.
942    o AIM : add stratospheric drag in the upper level
943    
944    checkpoint51d_post
945    o change function ILNBLNK (=> last non-blank char.) to return zero
946      (instead of the string length) when the string. char is empty
947    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
948    o modif's to restore TAMC compatibility
949      - avoid "_d" constructs in PARAMETER declarations
950      - avoid interrupting lines by comment lines
951    o Use cluster local disks for purely local I/O
952      vs. globally visible disks needed for ctrl stuff
953      (merged from ecco-branch)
954      - new active_file_loc... and mdsio_..._loc routines
955      - affected packages: autodiff, ctrl, grdchk, mdsio
956    
957    checkpoint51c_post
958    o introducing integer flag debugLevel
959      - debLevZero: suppress all output
960      - debLevA: standard
961      - debLevB: equivalent to current debugMode=.TRUE.
962    o introducing pathname variable mdsioLocalDir for mdsio
963      that can be specified at runtime
964      (relevant for cluster I/O to local disk)
965    `
966    >>>checkpoint51b_post
967    adjoint of ptracers
968    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
969    o extended state in checkpoint_lev?, etc.
970    o alternative ctrl/cost with tr1 or ptracer
971    o new comlev1_bibj_ptracers
972    o new ptracers.flow
973    o made ptracers_forcing same as external_forcing_s
974    o added verification for adjoint with ptracers
975      - adm. grdchk fail so far
976      - tlm. grdchk OK
977      - checked tapelev/comlev recomputations: OK
978    <<<checkpoint51b_pre
979    
980    checkpoint51a_post
981    o added code for biogeochemistry package
982      - new pkgs: dic, gchem
983      - new subroutine in ptracers
984    o modify code for biogeo packages
985      - in model/src and pkg/ptracers
986    
987    checkpoint51
988    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
989      - autodiff, ctrl, exf, grdchk, seaice
990      kept separate packages
991      - cost, ecco, obcs
992    o updating verification/internal_wave, verification/lab_sea
993      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
994    
995    checkpoint50i_post
996    o Preparing next differentiable checkpoint and sync
997      of MAIN vs. ecco-branch
998      - 1st step: this one is differentiable
999      - 2nd step: next(! not this) checkpoint will have updated packages
1000                  from ecco-branch)
1001    
1002    checkpoint50h_post
1003    o new package "land": provide surface BC for AIM.
1004    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1005    o AIM: use true log-P extrapolation for near surface temp (= as in
1006        F.Molteni paper) ; update aim.5l_cs output.
1007    o New variable in PARM03 for more flexible pickups
1008    o somewhat cleaned package initialisation sequence for
1009      ctrl/ cost/ ecco/ in packages_... routines
1010    
1011    checkpoint50g_post
1012    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1013      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1014      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1015        made the default because of faster convergence than ADI
1016    
1017    checkpoint50f_post
1018    o exf totally restructured
1019      - replaced all exf_set_ routines by one generic exf_set_gen.F
1020        and made sure it's still differentiable
1021      - split exf_getffields.F into new exf_bulkformulae.F
1022      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1023      - updated adjoint/makefile and relevant verif. accordingly
1024    
1025    checkpoint50f_pre
1026     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1027          + change Evap over land. (update aim.5l_cs output)
1028     o added missing .cvsignores and made uniform across expts
1029     o changed configuration of tidal_basin_2d expt
1030     o added pkg/debug functions for tracing code in fatal crashes
1031     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1032     o new fn in pkg/monitor to stop model if solution grows too big
1033     o removed lots of single quotes from comments
1034    
1035    checkpoint50e_post
1036    o make KPP work with PTRACERS
1037     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1038       nearly a copy of kpp_transport_s
1039     - there is no analogue to SurfaceTendencyS, so I have to use
1040       gPtr(of the surface layer) instead
1041    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1042    checkpoint50e_pre
1043    
1044    checkpoint50d_post
1045    o change kpp output from multiple-record state files to single-record state
1046      files analogous to write_state.F
1047    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1048      analogous to the cg2d-related output.
1049    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1050      so that writing to internal file fn (with length 512) fails.
1051    checkpoint50d_pre
1052    
1053    checkpoint50c_post
1054    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1055    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1056    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1057    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1058    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1059    
1060    checkpoint50c_pre
1061    Merging from release1_p13:
1062    o bug fix for pkg/seaice dynamic solver
1063    o Added SEAICE_initialHEFF to pkg/seaice
1064    
1065    checkpoint50b_post
1066    o store u*,v* in gU,V instead of in guNm1,gvNm1
1067    o in order to put the momForcing out of the Adams-Bashforth:
1068      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1069      to timestep.F
1070    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1071    o re-generate output for highly sensitive test-exp:
1072       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1073    
1074    checkpoint50b_pre
1075    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1076    o corrected CPP option mismatch in exf_Bulk... functions for case
1077      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1078    
1079    checkpoint50a_post
1080    o Bug fix for merging between c50 and KPP.
1081      ikey was passed from thermodynamics to kpp_calc via
1082      common block rather than being recomputed in kpp_calc,
1083      in contradiction with new key itdkey.
1084      New key ikppkey created, and tamc.h headers updated.
1085    
1086    checkpoint50
1087    - 2nd step of merge with ecco-branch:
1088      merge changes in ecco-branch back into main trunk
1089    - bug fix in find_alpha
1090    - more storing in gmredi_calc_tensor.F, kpp_routines.F
1091    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
1092    - merged some sliced AD support routines
1093    
1094    checkpoint49
1095    merged from ecco-branch:
1096    o exf:
1097      - Enable initialisation of forcing fields to constant
1098        (runtime) values.
1099      - in exf_getffields.F
1100        Reduce i-/j-loop to interior domain, discarding overlaps.
1101        That also fixes wrong TAF-key computations for key_1, key_2
1102        with bulf formulae.
1103      - exf_init.F modify #ifdef for exf_init_evap
1104      - exf_getffieldrec.F, ctrl_getrec.F
1105        The following INT-usages are not safe:
1106          fldsecs  = int(fldsecs/fldperiod)*fldperiod
1107          fldcount = int(fldsecs/fldperiod) + 1
1108        and were modified.
1109    o autodiff: checkpoint_lev...
1110      - updated storing for bulk formulae (some arrays were missing)
1111      - added state for seaice package
1112      - synchronized with main branch
1113    o DIVA:
1114      Modif.s in
1115      - the_main_loop.F
1116      - the_model_main.F
1117      and added cost_final_restore.F cost_final_store.F
1118      o With these changes, it is possible to fully separate
1119        the first forward run to compute the cost function (mdthe_main_loop)
1120        and adjoint runs over individual DIVA intervals (adthe_main_loop)
1121        into separate model executions.
1122        This enables better tuning of DIVA to given queue sizes.
1123      o Loss of cost function value in consecutive DIVA runs is
1124        fixed by storing to 'costfinal' file.
1125      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
1126        beginning/end of adjoint integration is accounted for.
1127      The current changes apply to TAF-1.4.26.
1128      TAF has one remaining bug, requiring one manual change
1129      (see MITgcm manual).
1130    o cal: synchronized between MAIN and ecco-branch
1131    
1132    checkpoint48i_post
1133    o Changes to restore differentiability of code w.r.t. previous tag
1134      (mostly adding new routines to make list and replacing
1135      pressure by totPhiHyd).
1136    o Updated and merged grdchk package
1137      - has both ADM and TLM checks
1138      - works for single- and multi-proc.
1139      - output cleaned
1140      - worked successfully for parallel DIVA
1141    o genmake:
1142      - Adding -platform=SP4
1143      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
1144    o Modif. for DIVA:
1145      ctrl_unpack should not be called in intermediate DIVA interval.
1146      (similar thing would apply for active files such as
1147      tbar, sbar, psbar, which should not be reinitialised;
1148      only relevant for ecco-branch)
1149    
1150    checkpoint48h_post
1151    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
1152    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
1153    o Added SEAICE_initialHEFF to pkg/seaice
1154    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
1155    
1156    checkpoint48g_post
1157    --- EOS:
1158    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
1159      store total Potential in totPhyHyd for diagnostics & EOS.
1160    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
1161    --- Pressure/geopotential gradient:
1162    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
1163    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
1164      ( changes results of global_ocean_pressure )
1165    o NLFS + z-coord.: add eta*Rho' contribution.
1166    o accurate phiHyd when using interface-W at the middle between 2 centers
1167     ( changes results of ideal_2D_oce )
1168    o includes r* 2nd term in potential gradient.
1169    
1170    checkpoint48f_post
1171    Merging from release1_p12:
1172    o Modifications for using pkg/exf with pkg/seaice
1173      - improved description of the various forcing configurations
1174      - added basic radiation bulk formulae to pkg/exf
1175      - units/sign fix for evap computation in exf_getffields.F
1176      - updated verification/global_with_exf/results/output.txt
1177    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
1178      (SBO) core products, including oceanic mass, center-of-mass,
1179      angular, and bottom pressure (see pkg/sbo/README.sbo).
1180    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
1181      to avoid negative values in shallow regions.
1182      - updated verification/natl_box/results/output.txt
1183      - updated verification/lab_sea/results/output.txt
1184    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
1185    o Added useSingleCpuIO option (see PARAMS.h).
1186    o Updated useSingleCpuIO option in mdsio_writefield.F to
1187      work with multi-field files, e.g., for single-file pickup.
1188    o pkg/seaice:
1189      - bug fix in growth.F: QNET for no shortwave case
1190      - added HeffFile for specifying initial sea-ice thickness
1191      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
1192    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
1193      kpp_transport_t.F, forward_step.F, and the_main_loop.F
1194    o pkg/seaice:
1195      - adjoint-friendly modifications
1196      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
1197    
1198    checkpoint48e_post
1199    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
1200    o dynamics: change definition of computational domain & adapt mom_fluxform
1201      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
1202    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
1203        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
1204        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
1205        global_ocean.90x40x15 global_with_exf global_ocean_pressure
1206        inverted_barometer solid-body.cs-32x32x1
1207      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
1208    
1209    checkpoint48d_post
1210    o in preparation for r*:
1211     a) use pre-computed gradient of hydrostatic potential:
1212        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
1213     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
1214        => affects results of glob_oce_pressure (different truncation error)  
1215      update output.txt of ideal_2D_oce & global_ocean_pressure
1216    
1217    checkpoint48d_pre
1218    o in preparation for r*:
1219      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
1220      pass the 2 comp. of the grad. as arguments to momentum S/R.
1221      but for the moment, only used if it does not change the results.
1222    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
1223    
1224    checkpoint48c_post
1225    Modifications in treatment of initial flux forcing controls
1226    to avoid extra storing of flux fields.
1227    
1228    checkpoint48c_pre
1229    o Added tidal_basin_2d experiment (currently 1D!)
1230    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
1231    
1232    checkpoint48b_post
1233    o r* coordinate added in #ifdef NONLIN_FRSURF block.
1234     (modification to pressure gradient not yet implemented)
1235    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
1236      (for U & V) that are used for vertical advection of momentum.
1237    
1238    checkpoint48a_post
1239    o In preparation for r*, use temp. array to compute vertical transport
1240       in flux-form momentum pkg. => change results of few test-exp.
1241      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
1242                        lab_sea, natl_box & plume_on_slope
1243    
1244    checkpoint48
1245    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
1246    
1247    checkpoint47j_post
1248    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
1249    o moved adexch from forward_step to addummy_in_stepping
1250    o added exch in ctrl_map_...
1251    o aveFreq.=0. at end of cost_final to avoid overwrite in
1252      reverse checkpointing loop
1253    o Yet more changes in gmredi:
1254      * adgmredi_calc_tensor
1255        avoiding all recomputation of gmredi_slope_limit
1256      * adgmredi_x/y/rtransport
1257        added flag for excessive storing to avoid recomp. of
1258        u/v/rtans, dTdx/y/z
1259        -> this is not really necessary and very memory-consuming
1260      * adgmredi_slope_psi:
1261        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
1262      * gmredi_slope_limit
1263        re-activated full calculation of taperfct for case 'ac02'
1264    o updating verification/ adjoints of carbon, global_ocean.90x40x15
1265    
1266    checkpoint47i_post
1267    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
1268    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
1269      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
1270    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
1271    o gmredi: fix few bugs.
1272    
1273    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
1274    This will be a good checkpoint to plug into the ecco-branch.
1275    o few modif.'s to get latest version adjointed
1276      (mainly kick out code in ini_linear_phisurf)
1277    o modif's to run adjoint with exactConserv
1278    o case GM_BOLUS_ADVEC should be cleaned
1279      S/R gmredi_slope_psi should be cleaned
1280    o verification/carbon now has exactConserv=.TRUE.
1281    
1282    checkpoint47g_post
1283    o time-average AIM output: becomes independent from statvars time-average
1284      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
1285    o After TAF bug fix:
1286      Tested adjoint of gmredi package.
1287      Tests were done with checkpoint47 rather than with latest
1288      checkpoint47f_post since the latter is broken for the adjoint
1289      verification/carbon/ contains both ADM and TLM gradient checks.
1290    Here they are, before they get changed/lost/stolen.
1291    Mostly modif.'s to fix numerical sensitivities.
1292    Gradient checks OK for
1293    - GM_taper_scheme:
1294      * clipping
1295      * ac02
1296      * linear
1297      * glw91
1298      * dm95
1299      * ldd97
1300    - GMREDI_OPTIONS:
1301      * GM_VISBECK_VARIABLE_K
1302      * GM_NON_UNITY_DIAGONAL
1303      * GM_EXTRA_DIAGONAL
1304      * GM_BOLUS_ADVEC
1305    in conjunction with data.gmredi parameters to be checked in
1306    in a few minutes under verification/carbon/code/
1307    
1308    checkpoint47f_post
1309    Merging from release1_p10:
1310    o modifications for using pkg/exf with pkg/seaice
1311      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
1312        and SEAICE_EXTERNAL_FLUXES
1313      - pkg/exf CPP options EXF_READ_EVAP and
1314        EXF_NO_BULK_COMPUTATIONS
1315      - usage examples are Experiments 8 and 9 in
1316        verification/lab_sea/README
1317      - verification/lab_sea default experiment now uses
1318        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
1319    
1320    checkpoint47e_post
1321    o created a tag prior to creating a branch
1322    
1323    checkpoint47d_post
1324    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
1325      at the bottom boundary had an erroneous half slip boundary condition
1326    o added bottom drag and no slip boundary condition capabilities to
1327      oceanic pressure coordinates code
1328    o added new verification experiment global_ocean_pressure, this experiment is
1329      also described in the tutorial section of the manual
1330    checkpoint47d_pre
1331    
1332    checkpoint47c_post
1333    o Added a verification experiment for a global cubed-sphere ocean run
1334      -  verification/global_ocean.cubed32x32x30
1335      -  uses pkg/therm_seaice and pkg/bulk_forcing
1336    
1337    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
1338    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
1339      when using P-coordinate; only implemented for atmospheric config.
1340    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
1341      NOTES: requires option NONLIN_FRSURF to be "#define".
1342    o update advect_xz/results/output.txt (left from checkpoint44g_post)
1343    
1344    checkpoint47b_post
1345    Merging from release1_p9:
1346    o pkg/seaice
1347      - removed GOTO's and added taf directives
1348      - double precision constants to reduce the g77 (Linux)
1349        to F77 (SGI) differences reported in release1_p8
1350    o tools/genmake
1351      - added SGI options
1352    o verification/testscript
1353      - updated to that of checkpoint47a_post
1354    o verification/global_ocean.90x40x15/input/eedata
1355      - modified for SGI f77 compatibility
1356    o verification/lab_sea
1357      - added description of sea-ice model
1358      - added missing matlab routines
1359      - added test of thermodynamics parallelization
1360    
1361    checkpoint47a_post
1362    o new pkg: aim_v23
1363     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
1364       for now, keep the same surface forcing as before.
1365     - Part-Cell implemented into AIM; check that Heat & Water are conserved
1366     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
1367     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
1368    o add diagnostic of surface correction term in monitor output
1369    
1370    o bulk_force and therm_seaice
1371    - Two packages:  bulk_force (Bulk forcing)
1372      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
1373    - Earlier integration from Stephaine Dutkiewicz
1374      and Patrick Heimbach.
1375    - Two ifdef statements for compile time,
1376       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
1377    
1378    checkpoint47
1379    differentiable version of checkpoint46n_post
1380    o bug fix in quasihydrostaticterms
1381    o * "clean" adjoint code (in terms of extensive recomputations)
1382        can now be obtained for all GMREDI options (i.e. for
1383        - GM_VISBECK_VARIABLE_K
1384        - GM_NON_UNITY_DIAGONAL
1385        - GM_EXTRA_DIAGONAL
1386        - GM_BOLUS_ADVEC )
1387      * However, wrong gradient check problem remains unsolved.
1388      * New CPP options have been introduced for different
1389        tapering schemes
1390    o external_fields_load now part of differentiation list
1391    o pressure needs multiple storing;
1392      would be nice to have store_pressure at beginning or
1393      end of forward_step, e.g. by having phiHyd global (5-dim.)
1394      (NB: pressure is needed for certain cases in find_rho,
1395      which is also invoked through convective_adjustment).
1396    o recomputations in find_rho for cases
1397     'JMD95'/'UNESCO' or 'MDJWF' are OK.
1398    o #define ATMOSPHERIC_LOADING should be differentiable
1399    o ini_forcing shifted to begining of initialise_varia
1400    o Incorporating QNVS line search routines into MITgcm
1401      (this is separate code, and therefore not under pkg)
1402      lsopt/, optim/
1403    o Updated verification/carbon/
1404      - #define GM_VISBECK_VARIABLE_K
1405      - GM_taper_scheme    = 'ldd97'    
1406    
1407    checkpoint46n_post
1408    Merging from release1_p8:
1409    o verification/natl_box:
1410      updating new external_fields_load routine
1411    o New package: pkg/seaice
1412      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
1413      The sea-ice code is based on Hibler (1979-1980).
1414      Two sea-ice dynamic solvers, ADI and LSR, are included.
1415      In addition to computing prognostic sea-ice variables and diagnosing
1416      the forcing/external data fields that drive the ocean model,
1417      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
1418      The implied surface heat flux is then stored in variable
1419      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
1420      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
1421      non-local transport term.  Because this call precedes model
1422      thermodynamics, temperature under sea-ice may not be "exactly" at
1423      the freezing point by the time theta is dumped or time-averaged.
1424      N.B.: fairly large differences in accuracy occur across
1425            different platforms/compilers; comparison between
1426            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
1427            generated output gives:
1428       T           S           U           V
1429      C D M    c        m  s        m  s        m  s        m  s
1430      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
1431      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
1432      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
1433    
1434      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
1435    o GAD:
1436      - generated new common blocks to account for call of
1437        same gad routines with differing traceridentities
1438        (needed to modify tracerIdentity indices in GAD.h)
1439      - generated separate common blocks for case useCubedSphereExchange
1440        (Department of Futurology)
1441      - parameter lists to gmredi_?transport: added tracerIdentity
1442      - added new key indices to tamc.h
1443    o external_fields_load:
1444      - added this routine to TAF list
1445      - needed to make some common blocks global and additional storing
1446        along the same lines as exf package (checkpoint_lev?_directives.h)
1447    o exf:
1448      updated external forcing package
1449      - bug fixes carried over from ecco-branch
1450        (missing OBCS_OPTIONS.h in two routines)
1451      - enable easy to use "no forcing".
1452      - added exf I/O for atmospheric loading
1453      - added exf I/O for runoff data
1454      - transfered scaling between exf <-> MITgcm to exf namelist
1455    o Adding new verification experiment global_with_exf.
1456      This verification experiment is almost identical to the
1457      global_ocean.90x40x15 experiment, except that it uses
1458      the exf (and cal) package instead of the
1459      external_fields_load routine (cf README file).
1460    
1461    checkpoint46m_post
1462    o modified testscript to return -- when there are no lines of "%MON" output
1463    o added new flag "quasiHydrostatic" for QH mode
1464      and new routine quasihydrostaticterms()
1465    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
1466      New routine: mom_u_coriolis_nh()
1467    o fixed sign of non-hydrostatic metric terms in u and v equations.
1468      Depend on correct sign of gravitySign.
1469    o added work.pc* to .cvsignore in aim directories using ifc
1470    o introduced flag for controllin non-hydrostatic metric terms
1471    o removed gravitySign from PARM04
1472  o switched to g77/ifc from pgf77 in aim experiments  o switched to g77/ifc from pgf77 in aim experiments
1473    
1474  checkpoint46l_post  checkpoint46l_post

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