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revision 1.167 by heimbach, Tue Jun 24 18:27:09 2003 UTC revision 1.361 by mlosch, Wed Sep 29 12:27:09 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 pkg/cost
7      extend simple cost functions to treat time mean quantities
8      (T,U,V) via cost_accumulate_state from cost_tile
9    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
10        be 2 times larger than the minimum size the advection scheme requires.
11        now get a perfect conservation of salt in advect_cs test-exp (updated)
12    o GGL90 (Gaspar's TKE mixed layer)
13      - add horizontal diffusion of TKE, requires exchanges in
14        do_fields_blocking_exchanges, horizontal diffusivity is zero by
15        default. In OPA there is no horizontal diffusion of TKE but the
16        mixing coefficients are computed from a horizontal average of TKE of
17        6 points or so. I think that diffusion has a little more physical
18        justification.
19      - clean up ggl90_calc in the hope of reducing memory usage (this hope
20        was in vain)
21      - mask tke-variable in ggl90_init
22    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
23    o fix biharmonic diffusion on CS-grid.
24    o more obcs stuff
25      - added obcs_external_fields_load as an alternative to the EXF-pkg option
26        for reading boundary values. This routine is called from
27        obcs_prescribe_read
28      - updated obcs_check
29      - changed sponge layer relaxation parameter units for days to seconds
30      - turned off sponge layer by default
31      - changed argument list of OBCS_CALC to myTime+deltaTclock
32      - fixed about 35 bugs in obcs_external_fields_load
33    
34    checkpoint55c_post
35    o obcs stuff
36      - new runtime flags useOBCSprescribe, useOBCSbalance
37      - re-arranged obcs_calc
38      - moved exf_getobcs to obcs_prescibe_read
39        obcs_prescibe_read is called after ORLANSKI stuff
40        and independent of it (executable can contain all).
41      - updated obcs_check
42      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
43        These may be necessary only if tangential velocities are
44        prescribed at OB, not sure, needs testing.
45    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
46      which simplifies the calls and passes the ifc check-bounds test
47    
48    checkpoint55b_post
49    o add a 2D scalar, Z location, exchange_2 routine.
50    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
51      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
52      affects advect_cs results (for the wrong reason): update output.txt
53    o use a more standard discretization for biharmonic viscosity ;
54     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
55      affects results of dome set-up: update output.txt
56    o fix gad_advection.F (CubedSphere part), back to version 1.23
57    o fix bug in mom_vi_del2uv.F (CubedSphere part).
58    
59    checkpoint55a_post
60    o merged code to
61      * prescribe/read time-dependent open boundaries
62        (works in conjunction with exf, cal)
63      * sponge layer code for open boundaries
64      * each boundary N/S/E/W now has its own CPP option
65        (healthy for the adjoint)
66    
67    checkpoint55
68    o up-to-date adjoint of previous breaks
69      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
70      - global_ocean_ebm: adjoint still needs fix (TLM ok)
71      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
72      - carbon: * remove tr1-related adjoint verification
73                * add ptracer as control variable
74    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
75      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
76    
77    checkpoint54f_post
78    o in verification/carbin/ remove experiment related to
79      ALLOW_PASSIVE_TRACER (array tr1 etc)
80      code_ad/ input_ad/ results_ad
81    
82    o add two new packages
83      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
84        + subject to optimization (memory)
85      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
86        + subject to reordering (many GOTOs in the original code)
87        + so far opps is called for every (i,j) point, and then operates in
88          the vertical; one may want to reorder the scheme in order operate in
89          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
90          fields)
91    o overhaul of IO so that we now have flags for MDSIO and/or MNC
92      - all verification tests compile and run with linux_ia32_g77
93      - defaults are compatible with current input files--nothing
94        should change if you were not previously using MNC
95      - MNC output has been added in numerous places (eg. timeave)
96        but there are still a few writes not yet do-able with MNC
97        (this is in progress)
98      - flags now allow for either/or/both use of MDSIO and MNC and
99        documentation will soon follow
100      - numerous small formatting cleanups for ProTeX
101    o add version info (via BUILD_INFO.h) to MNC and stdout
102    
103    checkpoint54e_post
104    o add two new packages
105      - pp81 (Packanowski and Philander, 1981), Richardson number and
106        stratification dependent mixing
107      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
108      - these scheme operate in a similar manner as KPP (without ghat, of
109        course), however there is only one diffusivity that is used for both
110        temperature and salinity (and passive tracers)ç
111    o add offline package
112    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
113      provided by Stephanie Dutkiewicz
114    o genmake2: add ability to search for C compilers and cleanup test output
115      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
116    
117    checkpoint54d_post
118    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
119    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
120      leading to additional shift by 5 days each year of integration
121       (i.e. leading to considerable offset over the years)
122    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
123    o start with no AB and no initial filtering (staggerTimeStep):
124      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
125    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
126      (external loading & cpl import/export stay in forward_step.F)
127    o update coupling interface to work with new staggerTimeStep
128    o change MDSIO ptracers_pickup.
129    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
130    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
131    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
132    
133    checkpoint54c_post
134    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
135      this affects (truncation error) output.txt of test-exp:
136       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
137    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
138    o change Qnet to always be the net heat flux, (+upward).
139      affects (truncation error) output of natl_box exp.: updated
140    o define the max number of passive tracers in PTRACERS_SIZE.h
141    o start to test mnc routinely in exp0
142    o add sea-ice loading (sIceLoad) as a new forcing field.
143    
144    checkpoint54b_post
145    o add testreport "-j JOBS" option for parallel builds (tested and pretty
146       impressive on Altix and Opteron systems)
147    o diagnostics can now write NetCDF files through the mnc package
148    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
149    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
150    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
151      affects (truncation error) output of lab_sea & natl_box exp.: updated
152    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
153    
154    checkpoint54a_post
155    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
156    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
157    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
158    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
159      + internal_wave (shift in writing cg2d_ini_res)
160    checkpoint54a_pre
161    
162    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
163      - modified verification/lab_sea and natl_box_adjoint accordingly
164    
165    checkpoint54
166    checkpoint53g_post
167    o prepare splitting of thermodynamics: store convect.counter in common block
168    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
169      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
170    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
171    o new parameter "nShapS": allow to treat differently S from T (nShapT)
172    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
173    o restore adjointability
174    
175    checkpoint53f_post
176    o modifications that affect AIM experiment results (update output.txt):
177      - no advection of S at top interface Nr (pkg/generic_advdiff)
178      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
179    o AIM pkg:
180      - include stability function into surf.Flux derivative relative to Tsurf
181      - calculate clear-sky radiation & surface temp. change (for diagnostics)
182    
183    checkpoint53e_post
184    o merged cylindrical coord configuration
185    o added rotating_tank experiment
186    checkpoint53e_pre
187    
188    checkpoint53d_post
189    o faulks upgraded: re-generate output.txt that have changed:
190       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
191    o Added Bryan and Lewis, 1979, vertical diffusivity profile
192    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
193    o added Sadourny discretization of Coriolis
194      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
195      - re-enabled use of omega3 (useAbsVorticity)
196    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
197      vector-invariant equations
198      - note: does *NOT* yet use same variable visc. for no-slip BC's.
199    o recoded the lateral boundary conditions for non-hydrostatic w, this time
200      hopefully without new bugs
201      - still to do: biharmonic friction for non-hydrostatic w
202    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
203    o regenerated output for global_ocean_ebm (using -ieee)
204    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
205      of mom_common/
206      - simple re-arrangement of instructions within computing loop
207    checkpoint53d_pre
208    
209    checkpoint53c_post
210    o new version of coupler for AIM+thSIce and Ocean models
211     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
212     - land: change Evaporation of snow
213     - aim with thSIce: fix bug in snow-precip.
214    o changes to calc_gw.F
215     - bug fix for w^2 term near the bottom boundary
216     - (hopefully) improve the lateral slip boundary condtions for use with
217        partial/looped cells
218      - because the bug fix changes two verification experiments anyway (exp5
219        and plume on slope), change the lateral boundary condition from half slip
220        to the value of no_slip_sides
221    o ebm package wasnt quite up to the parallel task. Fixed that.
222    o Adjoint of EBM package + verification
223      * TLM OK
224      * ADM not sufficient accuracy yet (needs further testing)
225    
226    checkpoint53b_post
227    o Commiting new energy balance model to repository
228      * package is pkg/ebm
229      * verif. is verification/global_ocean_ebm
230      * references are in ebm_driver.F
231    C      * X. Wang, P. Stone and J. Marotzke, 1999:
232    C        Global thermohaline circulation. Part I:
233    C        Sensitivity to atmospheric moisture transport.
234    C        J. Climate 12(1), 71-82
235    C      * X. Wang, P. Stone and J. Marotzke, 1999:
236    C        Global thermohaline circulation. Part II:
237    C        Sensitivity with interactive transport.
238    C        J. Climate 12(1), 83-91
239    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
240    C        Destabilization of the thermohaline circulation
241    C        by atmospheric eddy transports.
242    C        J. Climate 7(12), 1870-1882
243    o Will need long integration testing.
244    checkpoint53b_pre
245    
246    o created pkg/mom_common in preparation for variable viscosity code
247    o renamed and split ini_mnc_io
248    o pkg/land: only liquid water can diffuse or run-off
249    o AIM using land: soil wetness availability account for snow
250    o added printMapIncludesZeros to EEPARMS namelist
251    
252    checkpoint53a_post
253    o restore TAMC compatiility for exf_constants.h
254      (no usage of _d in .h)
255    o Additional storing in KPP in an attempt to fix
256      TAMC problem with adjoint of KPP code.
257      (no success...)
258      Identical code works fine with TAF.
259    o Fixed verification/natl_box_adjoint experiments.
260      Initial conditions for Experiments 4 and 5 are now
261      set to "SEAICE_initialHEFF=0", which is more reasonable,
262      and hence gives results closer to that of Experiment 2.
263      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
264    
265    checkpoint53
266    o stable checkpoint with up to date adjoint
267      TLM tests only run for 1st grdchk at the moment. Its unclear if
268      this is a code problem or a problem with resetting code for g_
269      variables that is being autogenerated wrong.
270      Otherwise:
271       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
272       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
273         are both still in chaos following their security messes.
274    
275    checkpoint52n_post
276    o various build (mostly genmake2) changes including:
277      - ability to build/run more easily within Cygwin and MacOS X
278      - more complicated Makefiles with a stronger dependence on Gnu Make
279    o pkg/seaice modifications
280      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
281        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
282        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
283      - changed proxy for geostrophic velocity and updated
284        verification/lab_sea/results/* accordingly
285      - removed ADI dynamic solver from pkg/seaice
286      - replaced all occurrences of 1/CSTICE or 1/CSUICE
287        they caused a segmentation fault under certain circumstances
288      - removed unused field WATR
289    o bug fix in exf-package:
290      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
291         now reflect that.
292    o small fixes in the cal-package:
293      - set reference date to first of January for the 'model'-calendar
294      - failing of cal_CheckDate in cal_FullDate now actually results in a
295        warning
296    o small modifications in exf-package to increase flexibility:
297      - change climtempfreeze from a constant to a runtime parameter that
298        is specified in data.exf_clim (default = -1.9)
299      - introduce runtime parameter windstressmax (default = 2.0) that is
300        specified in data.exf
301    o fix in pkg/thsice:
302      - update Evap (Tsf changes) to be consistent with Latent heat flux
303      - maintain snow precipitation unchanged (even if Tsf >=0).
304     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
305    
306    checkpoint52m_post
307    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
308      this does not change any of the results, because myIter=0 in swfrac always
309      lead to jwtype=2 (the default anyway), but the call makes little sense
310      as a default
311    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
312    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
313      atmospheric model (AIM) to use it ; add a "slab ocean" component.
314    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
315    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
316    o extending useSingleCpuIO option to work with new exch2 I/O format
317      - old-style, missing-tile I/O is still accessible by defining CPP
318        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
319    o monitor package can write to NetCDF files and/or STDOUT
320    o fix re-definition bug in MNC_GRID_INIT_ALL()
321    o doc/api_reference added
322      - a framework for building an API Reference Manual using all
323        the "protex" comments embedded in the code
324      - see pkg/generic_advdiff, pkg/mnc for examples
325    o MNC:
326      - make myThid the last argument for all subroutines
327      - new default for the grid files: NO halos
328      - add useMNC and other run-time flags
329      - separate per-file-group handling of the unlimited dimension
330      - early initialization of MNC w/ flags read at the eeboot stage
331        and lookup tables set in initialize_fixed
332      - write all MNC output to a freshly-created directory
333    o thermodynamics sea-ice (thsice) is now tested with testreport.
334    o test exp. advect_cs: use the standard cs32 grid ; update output.
335    o Added functionality to grdchk:
336      pick global i,j,k position (or nearest wet) where to perform check.
337    
338    checkpoint52l_post
339    o new land formulation:
340      a) use ground enthalpy as prognostic variable to ensure exact
341         energy conservation.
342      b) account for water temperature and for latent heat of freezing
343         in all processes (rain, run-off, ground storage)
344      c) compute surface and ground temperature implicitly.
345    o aim_v23 modification for new land model:
346      a) Treat separately land / ocean / sea-ice surface fluxes
347         to allow implicit computation of land & sea-ice surface temp.
348      b) add snow precipitation.
349    checkpoint52l_pre
350    
351    o fix problem (when 1 tile is empty) in min/max monitor.
352    o fix bug in timeAve (u,vZetatave in common block)
353    o no restoring terms under ice for pkg/seaice
354    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
355    o bug fix for pkg/seaice pickups
356    o change MNC call locations and add coordinate attributes
357    o mask vorticity at the corner ; affects global_ocean.cs output
358    o fix ini_curvilinear_grid ; test CS experiments with mpi
359    o aim.5l_cs: modify sea-ice fraction input file ; update output
360    o exf: Adding simple range check routine for exf fields after read
361    
362    checkpoint52k_post
363    o removed top-level directory "diags"
364      - we migrated these functions to pkg/timeave a long time ago
365    o fixed bug introduced in pkg/monitor
366    o accuracy ctrlprec = 32 insuffient for gradient checks using
367      averaged fields (I/O via cost_averages)
368      -> use ctrl.h in active_file*.F to control I/O precision.
369    o paramter list of CALL ADTHE_MAIN_LOOP
370    o added initial do_the_model_io to ecco
371    o set all ...Freq to zero after cost_final
372      taveFreq, dumpFreq, pChkptFreq
373    o MAIN and ECCO differentiability restored
374    
375    checkpoint52j_post
376    o fix nchklev in tamc.h for global_ocean...
377    o Bringing flow and store directives up-to-date
378    o Really weird thing!
379      call do_the_model_io from the_main_loop with parameters
380      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
381      TAF places a faulty re-call of initialise_varia
382      after cost_final call which should not be there!
383    checkpoint52j_pre
384    
385    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
386      error messages
387    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
388    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
389      debug output
390    o modfied mdsio_writefield.F to handle non-global files under exch2
391    o update AIM Cubed-Sphere exp (aim.5l_cs):
392      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
393    o update AIM Equatorial Channel exp:
394      use standard aim_v23 pkg and change the SST fields to be more realistic.
395    o globalFile now works with exch2
396    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
397      mon_vort3.F to make exch2 friendly with >1 tile per cube face
398    o limit timeave output for hi-res integrations
399    
400    checkpoint52i_post
401    o removed CPP_EEOPTIONS.h from verification/*/code
402    o updated the tiling for global_ocean_pressure
403    checkpoint52i_pre
404    
405    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
406      the old pkg/aim).
407    
408    checkpoint52h_pre
409    o shortened offending lines in exch2_send_rx?.template
410    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
411    o genmake2: add build & execute test for NetCDF code
412    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
413      old grid files, moved CPP_EEMACROS.h to pkg/exch2
414    o added useSingleCPUIO flag to monitor.F and mon_out.F
415    o added temporary hack for sea-ice dynamics on the cube:
416      metric terms are ignored and it is assumed that
417      there is no sea-ice on cube faces 1, 2, 4, and 5.
418    
419    checkpoint52f_post
420    o added exch2 cube routines to pkg/exch2
421    o modified hs94.cs-32x32x5 to use it
422    o added new grid files to hs94.cs-32x32x5
423    checkpoint52f_pre
424    
425    checkpoint52e_post
426    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
427      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
428    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
429      to work with implicit vertical advection and AB ;
430    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
431    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
432     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
433    checkpoint52e_pre
434    
435    o fix bug in impldiff when Nr=1 or Nr=2.
436    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
437    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
438    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
439      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
440    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
441    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
442    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
443    
444    checkpoint52d_post
445    o re-tiled many expts to allow comparison in multi-processor mode
446      - updated output accordingly
447      - changed hs94.128x64x5 to use intial T from file rather than use the
448        random number generator
449    o add infrastructure in model routines for fizhi and gridalt packages
450    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
451    o changes to permit hi-res, cubed-sphere, configuration
452      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
453      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
454      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
455        of surface winds for the cube
456      (A verification experiment, based on global_ocean.cs32x15, but with
457       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
458       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
459       complete with example surface forcing files and matlab scripts to look
460       at the output and compare it with that of global_ocean.cs32x15.)
461    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
462       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
463       to conform to the common rule.
464    o check-in the first version of the coupler + interfaces for multi-components
465       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
466       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
467       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
468       - ocean and atmos. share the same horizontal grid (no interpolation).
469       - exchanges between component and coupler is done in forward_step
470    o new verification experiment, cpl_aim+ocn:
471       coupled ocean - AIM atmosphere on cs32 grid.
472    
473    checkpoint52d_pre
474    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
475    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
476    
477    checkpoint52c_post
478    o Fixing OPTIONS files for use of exf:
479      - ALLOW_ECCO not needed
480      - ECCO_CPPOPTIONS.h should not be included from
481        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
482        as has been the case in the past
483      - All cal/exf related options are currently set in
484        single header file. Should remain so until we
485        agree on a consistent new policy.
486    o Removed all CPP options for cal package.
487      cal has no more CPP options.
488    o modified STOREs in GAD_ADVECTION
489    o corrected key comp. for passkey
490    
491    checkpoint52b_post
492    o new version: "thsice" of thermodynamic sea-ice pkg:
493     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
494     - modify fluxes but do not change theta directly;
495     - light cleaning of bulk_force pkg (still needed with thsice).
496     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
497       + output_thsice.txt to test thsice & bulk_force pkgs.
498    o put back grid & coriolis monitor output.
499    checkpoint52b_pre
500    
501    o call "do_the_model_io" at the beginning (=> dump initial state)
502    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
503    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
504      (need info on NUMBER_OF_PTRACERS)
505    o missing PTRACERS headers in some routines
506    o default tamc.h in pkg/autodiff supposed to crash
507      to ensure proper customization
508    
509    checkpoint52a_post
510    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
511      - moved surfaceTendencyTice from pkg/seaice to main code
512      - subroutine FREEZE_SURFACE now limits only surface temperature
513        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
514        => new output.txt for global_ocean.cs32x15 & global_with_exf
515      - keep the old version of FREEZE for backward compatibility;
516        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
517      - corresponding modifs for TAF directives
518    o added surface flux output variables to TIMEAVE_STATVARS
519    o time-averaged output for pkg/ptracers
520    o fix problem with ECCO-related divided adjoint
521      snapshot file was missing some ad-variables,
522      but no warning issued by TAF
523    
524    checkpoint52a_pre
525    o some bug fixes for #undef REAL4_IS_SLOW
526    
527    checkpoint52 = ecco_c52_e35
528    o after testing adjoints of checkpoint51u_post
529    
530    checkpoint51u_post
531    o this is the post-merge tag of the ecco-branch
532      (needs another clean checkout and re-testing)
533    o various natl_box_adjoint configs and results
534      but no input fields
535    o obcs adjoint not yet merged!
536    o adding ECCO global 1x1 and 2x2 degree configs
537    o updated/extended some store directives for seaice
538    o pkg/ecco now containes ecco-specific part of cost function
539    o top level routines the_main_loop, forward_step
540      supersede those in model/src/
541      previous input data.cost now in data.ecco
542      (new namelist ecco_cost_nml)
543    o in ctrl/ cleaned some cross-dependencies and updated CPP options
544    
545    checkpoint51t_post
546    o this is the pre-merge tag of the ecco-branch
547    
548    checkpoint51s_post
549    o cleanup: removed various obsolete #define-s
550    o pkg/grdchk
551      - renamed 'ph-grd 3' to 'grad-res'
552      - merged from ecco-branch
553        (remaining bug fixes for obcs gradient checks)
554      - additional high-precision output for testreport
555        (grep for 'precision_grdchk_result')
556    
557    checkpoint51r_post
558    o cleaned up or removed CPP_OPTIONS.h files
559    o updated results for some of the tests to reflect the new
560      optfiles (-ieee: -O0 instead of -O3)
561    
562    checkpoint51q_post
563    o cd_code:
564      - moved cd_scheme.F -> cd_code_scheme.F
565      - separate read_checkpoint from cd_code_ini_vars.F
566      - separated cd_code part from write_checkpoint
567      - updated AD_SOURCE, generated .flow
568      - added CD_CODE_VARS.h to the_main_loop
569      - Moving cd_code specific store dir.s to pkg/cd_code
570    o ctrl package totally restructured
571      - pack/unpack now optional and decoupled from
572        xx_/adxx_ I/O
573      - ctrl_pack/unpack cleaned
574        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
575      - confined inclusion of AD_CONFIG.h to where necessary.
576    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
577    
578    checkpoint51p_post
579    o create initial cd_code package
580      - WARNING: the initialization of fields within packages
581        is broken because INI_FIELDS (where READ_CHECKPOINT is
582        called) is called *before* PACKAGES_INIT_VARIABLES.
583        This seems to be backwards since
584        1) its important to initially zero the entire field including
585           the "halo" region
586        2) zeroing needs to be done *before* reading pickup info
587           and the pickup call might or might not happen in any
588           particular run
589      - this needs an overhaul for R2
590    o cleanup verification/*/code/GMREDI_OPTIONS.h
591    o cleanup testreport
592    
593    checkpoint51o_post
594    o bringing AD-related verif's up to date with genmake2
595      - carbon/
596      - global_ocean.90x40x15/
597      - hs.94.1x64x5/
598      - (front_relax/ )
599    o (more) consistent directory structure for AD-related verif.'s
600    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
601    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
602    o bug fix in find_alpha.F for MDJWF:
603      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
604        change rho -> rho-rhoConst
605      - replace call find_rho to find_rhonum
606    o initialisation of rFlx extended to full array (required by TAF)
607      and shifted to thermodynamics
608    o removed PTRACERS.h in ptracers routine
609    o added surfacetendencyPtr to S/R parameter list pracers_forcing
610    o Correcting initialisations for fVerU, fVerV.
611    o helping TAF to recognize dependency on kUp for
612      fVerU, fVerV
613    o Replacing delZ by delR in pkg/ctrl/
614    checkpoint51o_pre
615    
616    o undid all of cp51 pending some cleanups and discussion
617    o added the [#include "AD_CONFIG.h"] statement to all files that need
618       it for adjoint/tl #defines
619     o re-worked the build logic in genmake2 to support AD_CONFIG.h
620     o removed tools/genmake since it no longer works
621    
622    checkpoint51n_post
623    o modifications to make FREEZE flux visible to pkg/kpp
624      - moved surfaceTendencyTice from pkg/seaice to main code
625      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
626      - subroutine FREEZE now limits only surface temperature
627        (this means new output.txt for global_ocean.90x40x15,
628         global_ocean.cs32x15, and global_with_exf)
629    o added surface flux output variables to TIMEAVE_STATVARS
630    
631    checkpoint51n_pre
632    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
633    o added [#include "AD_CONFIG.h"] to all files that use the following
634      defines:
635      - ALLOW_ADJOINT_RUN
636      - ALLOW_TANGENTLINEAR_RUN
637      - ALLOW_ECCO_OPTIMIZATION
638    
639    checkpoint51m_post
640    o incorporating changes to get TAMC/TAF working in genmake2
641      - added new TAMC/TAF targets to the Makefile
642      - various cleanups related to package handling
643      - these changes should have no impact on the forward model
644    
645    checkpoint51l_post
646    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
647     - faster algorithm for cal_addtime.F
648     - higher precision arithmetic, where needed
649     - pkg/exf *startdate variables changed from calendar date to
650       model integration time
651    
652    checkpoint51l_pre
653    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
654    o enable to apply restoring on S & T only in a latitude band.
655    o update output (external_forcing_surf modif. change truncation errors)
656       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
657    
658    checkpoint51k_post
659    o change default to: useNHMTerms=.FALSE.
660     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
661       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
662     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
663        exp1, ideal_2D_oce
664     - change data file of oceanic exp (leave the results unchanged for now)
665       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
666    o set gravitySign automatically according to the vertical coordinate used
667      (and change sign: back to "logical" value: +1 when R increases downward)
668    o added an include barrier to the default CPP_OPTIONS.h and
669      removed the #include "PACKAGES_CONFIG.h" from it
670    o fix a bug in mom_fluxform (from chk51j_post)
671    
672    checkpoint51j_post
673    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
674    o adjusted some flow directives (dynamics, thermodynamics)
675    o added cubed-sphere case to test cost function
676    o heckpoint_lev?_directives.h now include
677      pkg-specific directives, whenever those are enabled.
678    o Moving pkg-specific flow directives to corresponding pkg
679      Moving pkg-specific differentiation list to corresponding pkg
680      Moving pkg-specific checkpoint-lev storing to corresponding pkg
681      ---> conventions are
682           - pkg_ad.flow
683           - pkg_ad_diff.list
684           - pkg_ad_check_lev?_dir.h
685    
686    checkpoint51i_post
687    o merge of the branch-genmake2
688      - knowingly breaks the older genmake
689      - automatic generation of all ALLOW_${PKG_NAME} defines
690      - new testreport supersedes older testscript
691    o large number of package inclusion and header cleanups
692    checkpoint51i_pre
693    
694    o new output for adjoin of global ocean vector invariant
695    o fix for checkpoint of thermodynamic seaice and bulk_force
696    o Steph gchem various cleanups
697    
698    checkpoint 51h_pre
699    o fixed some single quotes
700    o modify gchem pkg to be more versatile
701    o modifications to clean up dic pkg
702    o add pkg/cfc
703    
704    checkpoint51g_post
705    o provide links for ARPACK and ADM*TLM
706    o start removing verification/vero/
707    o update AD-related stuff
708      (in particular some IF-statements in model/src/ routines)
709    o adding to verification/global_ocean.90x40x15/ adjoint of
710      vector invariant setup
711    
712    checkpoint51f_post
713    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
714    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
715      of tracer Green's fucntions for ocean inversion project.
716    
717    checkpoint51f_pre
718    o Added on-the-fly spatial interpolation capability
719        "USE_EXF_INTERPOLATION" to pkg/exf.
720      - This is a temporary Cartesian-grid hack until
721        the super-duper ESMF coupler becomes available.
722      - See verification/global_with_exf/README for usage example.
723      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
724        flags and modified pkg/seaice accordingly.
725    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
726        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
727        non-local transport term.
728    
729    checkpoint51e_post
730    o pkg/mom_vecinv:
731      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
732      - add time-ave diagnostic of vorticity advection.
733    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
734    o atmospheric geopotential: - include water vapor effect;
735                                - use p^kappa in p* scaling.
736    o land pkg: read initial state from files.
737    o AIM : add stratospheric drag in the upper level
738    
739    checkpoint51d_post
740    o change function ILNBLNK (=> last non-blank char.) to return zero
741      (instead of the string length) when the string. char is empty
742    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
743    o modif's to restore TAMC compatibility
744      - avoid "_d" constructs in PARAMETER declarations
745      - avoid interrupting lines by comment lines
746    o Use cluster local disks for purely local I/O
747      vs. globally visible disks needed for ctrl stuff
748      (merged from ecco-branch)
749      - new active_file_loc... and mdsio_..._loc routines
750      - affected packages: autodiff, ctrl, grdchk, mdsio
751    
752    checkpoint51c_post
753    o introducing integer flag debugLevel
754      - debLevZero: suppress all output
755      - debLevA: standard
756      - debLevB: equivalent to current debugMode=.TRUE.
757    o introducing pathname variable mdsioLocalDir for mdsio
758      that can be specified at runtime
759      (relevant for cluster I/O to local disk)
760    `
761    >>>checkpoint51b_post
762    adjoint of ptracers
763    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
764    o extended state in checkpoint_lev?, etc.
765    o alternative ctrl/cost with tr1 or ptracer
766    o new comlev1_bibj_ptracers
767    o new ptracers.flow
768    o made ptracers_forcing same as external_forcing_s
769    o added verification for adjoint with ptracers
770      - adm. grdchk fail so far
771      - tlm. grdchk OK
772      - checked tapelev/comlev recomputations: OK
773    <<<checkpoint51b_pre
774    
775    checkpoint51a_post
776    o added code for biogeochemistry package
777      - new pkgs: dic, gchem
778      - new subroutine in ptracers
779    o modify code for biogeo packages
780      - in model/src and pkg/ptracers
781    
782  checkpoint51  checkpoint51
783  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
784    - autodiff, ctrl, exf, grdchk, seaice    - autodiff, ctrl, exf, grdchk, seaice

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