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revision 1.167 by heimbach, Tue Jun 24 18:27:09 2003 UTC revision 1.359 by heimbach, Mon Sep 27 14:56:42 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
7        be 2 times larger than the minimum size the advection scheme requires.
8        now get a perfect conservation of salt in advect_cs test-exp (updated)
9    o GGL90 (Gaspar's TKE mixed layer)
10      - add horizontal diffusion of TKE, requires exchanges in
11        do_fields_blocking_exchanges, horizontal diffusivity is zero by
12        default. In OPA there is no horizontal diffusion of TKE but the
13        mixing coefficients are computed from a horizontal average of TKE of
14        6 points or so. I think that diffusion has a little more physical
15        justification.
16      - clean up ggl90_calc in the hope of reducing memory usage (this hope
17        was in vain)
18      - mask tke-variable in ggl90_init
19    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
20    o fix biharmonic diffusion on CS-grid.
21    o more obcs stuff
22      - added obcs_external_fields_load as an alternative to the EXF-pkg option
23        for reading boundary values. This routine is called from
24        obcs_prescribe_read
25      - updated obcs_check
26      - changed sponge layer relaxation parameter units for days to seconds
27      - turned off sponge layer by default
28      - changed argument list of OBCS_CALC to myTime+deltaTclock
29    
30    checkpoint55c_post
31    o obcs stuff
32      - new runtime flags useOBCSprescribe, useOBCSbalance
33      - re-arranged obcs_calc
34      - moved exf_getobcs to obcs_prescibe_read
35        obcs_prescibe_read is called after ORLANSKI stuff
36        and independent of it (executable can contain all).
37      - updated obcs_check
38      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
39        These may be necessary only if tangential velocities are
40        prescribed at OB, not sure, needs testing.
41    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
42      which simplifies the calls and passes the ifc check-bounds test
43    
44    checkpoint55b_post
45    o add a 2D scalar, Z location, exchange_2 routine.
46    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
47      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
48      affects advect_cs results (for the wrong reason): update output.txt
49    o use a more standard discretization for biharmonic viscosity ;
50     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
51      affects results of dome set-up: update output.txt
52    o fix gad_advection.F (CubedSphere part), back to version 1.23
53    o fix bug in mom_vi_del2uv.F (CubedSphere part).
54    
55    checkpoint55a_post
56    o merged code to
57      * prescribe/read time-dependent open boundaries
58        (works in conjunction with exf, cal)
59      * sponge layer code for open boundaries
60      * each boundary N/S/E/W now has its own CPP option
61        (healthy for the adjoint)
62    
63    checkpoint55
64    o up-to-date adjoint of previous breaks
65      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
66      - global_ocean_ebm: adjoint still needs fix (TLM ok)
67      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
68      - carbon: * remove tr1-related adjoint verification
69                * add ptracer as control variable
70    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
71      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
72    
73    checkpoint54f_post
74    o in verification/carbin/ remove experiment related to
75      ALLOW_PASSIVE_TRACER (array tr1 etc)
76      code_ad/ input_ad/ results_ad
77    
78    o add two new packages
79      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
80        + subject to optimization (memory)
81      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
82        + subject to reordering (many GOTOs in the original code)
83        + so far opps is called for every (i,j) point, and then operates in
84          the vertical; one may want to reorder the scheme in order operate in
85          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
86          fields)
87    o overhaul of IO so that we now have flags for MDSIO and/or MNC
88      - all verification tests compile and run with linux_ia32_g77
89      - defaults are compatible with current input files--nothing
90        should change if you were not previously using MNC
91      - MNC output has been added in numerous places (eg. timeave)
92        but there are still a few writes not yet do-able with MNC
93        (this is in progress)
94      - flags now allow for either/or/both use of MDSIO and MNC and
95        documentation will soon follow
96      - numerous small formatting cleanups for ProTeX
97    o add version info (via BUILD_INFO.h) to MNC and stdout
98    
99    checkpoint54e_post
100    o add two new packages
101      - pp81 (Packanowski and Philander, 1981), Richardson number and
102        stratification dependent mixing
103      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
104      - these scheme operate in a similar manner as KPP (without ghat, of
105        course), however there is only one diffusivity that is used for both
106        temperature and salinity (and passive tracers)ç
107    o add offline package
108    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
109      provided by Stephanie Dutkiewicz
110    o genmake2: add ability to search for C compilers and cleanup test output
111      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
112    
113    checkpoint54d_post
114    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
115    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
116      leading to additional shift by 5 days each year of integration
117       (i.e. leading to considerable offset over the years)
118    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
119    o start with no AB and no initial filtering (staggerTimeStep):
120      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
121    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
122      (external loading & cpl import/export stay in forward_step.F)
123    o update coupling interface to work with new staggerTimeStep
124    o change MDSIO ptracers_pickup.
125    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
126    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
127    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
128    
129    checkpoint54c_post
130    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
131      this affects (truncation error) output.txt of test-exp:
132       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
133    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
134    o change Qnet to always be the net heat flux, (+upward).
135      affects (truncation error) output of natl_box exp.: updated
136    o define the max number of passive tracers in PTRACERS_SIZE.h
137    o start to test mnc routinely in exp0
138    o add sea-ice loading (sIceLoad) as a new forcing field.
139    
140    checkpoint54b_post
141    o add testreport "-j JOBS" option for parallel builds (tested and pretty
142       impressive on Altix and Opteron systems)
143    o diagnostics can now write NetCDF files through the mnc package
144    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
145    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
146    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
147      affects (truncation error) output of lab_sea & natl_box exp.: updated
148    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
149    
150    checkpoint54a_post
151    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
152    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
153    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
154    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
155      + internal_wave (shift in writing cg2d_ini_res)
156    checkpoint54a_pre
157    
158    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
159      - modified verification/lab_sea and natl_box_adjoint accordingly
160    
161    checkpoint54
162    checkpoint53g_post
163    o prepare splitting of thermodynamics: store convect.counter in common block
164    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
165      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
166    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
167    o new parameter "nShapS": allow to treat differently S from T (nShapT)
168    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
169    o restore adjointability
170    
171    checkpoint53f_post
172    o modifications that affect AIM experiment results (update output.txt):
173      - no advection of S at top interface Nr (pkg/generic_advdiff)
174      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
175    o AIM pkg:
176      - include stability function into surf.Flux derivative relative to Tsurf
177      - calculate clear-sky radiation & surface temp. change (for diagnostics)
178    
179    checkpoint53e_post
180    o merged cylindrical coord configuration
181    o added rotating_tank experiment
182    checkpoint53e_pre
183    
184    checkpoint53d_post
185    o faulks upgraded: re-generate output.txt that have changed:
186       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
187    o Added Bryan and Lewis, 1979, vertical diffusivity profile
188    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
189    o added Sadourny discretization of Coriolis
190      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
191      - re-enabled use of omega3 (useAbsVorticity)
192    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
193      vector-invariant equations
194      - note: does *NOT* yet use same variable visc. for no-slip BC's.
195    o recoded the lateral boundary conditions for non-hydrostatic w, this time
196      hopefully without new bugs
197      - still to do: biharmonic friction for non-hydrostatic w
198    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
199    o regenerated output for global_ocean_ebm (using -ieee)
200    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
201      of mom_common/
202      - simple re-arrangement of instructions within computing loop
203    checkpoint53d_pre
204    
205    checkpoint53c_post
206    o new version of coupler for AIM+thSIce and Ocean models
207     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
208     - land: change Evaporation of snow
209     - aim with thSIce: fix bug in snow-precip.
210    o changes to calc_gw.F
211     - bug fix for w^2 term near the bottom boundary
212     - (hopefully) improve the lateral slip boundary condtions for use with
213        partial/looped cells
214      - because the bug fix changes two verification experiments anyway (exp5
215        and plume on slope), change the lateral boundary condition from half slip
216        to the value of no_slip_sides
217    o ebm package wasnt quite up to the parallel task. Fixed that.
218    o Adjoint of EBM package + verification
219      * TLM OK
220      * ADM not sufficient accuracy yet (needs further testing)
221    
222    checkpoint53b_post
223    o Commiting new energy balance model to repository
224      * package is pkg/ebm
225      * verif. is verification/global_ocean_ebm
226      * references are in ebm_driver.F
227    C      * X. Wang, P. Stone and J. Marotzke, 1999:
228    C        Global thermohaline circulation. Part I:
229    C        Sensitivity to atmospheric moisture transport.
230    C        J. Climate 12(1), 71-82
231    C      * X. Wang, P. Stone and J. Marotzke, 1999:
232    C        Global thermohaline circulation. Part II:
233    C        Sensitivity with interactive transport.
234    C        J. Climate 12(1), 83-91
235    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
236    C        Destabilization of the thermohaline circulation
237    C        by atmospheric eddy transports.
238    C        J. Climate 7(12), 1870-1882
239    o Will need long integration testing.
240    checkpoint53b_pre
241    
242    o created pkg/mom_common in preparation for variable viscosity code
243    o renamed and split ini_mnc_io
244    o pkg/land: only liquid water can diffuse or run-off
245    o AIM using land: soil wetness availability account for snow
246    o added printMapIncludesZeros to EEPARMS namelist
247    
248    checkpoint53a_post
249    o restore TAMC compatiility for exf_constants.h
250      (no usage of _d in .h)
251    o Additional storing in KPP in an attempt to fix
252      TAMC problem with adjoint of KPP code.
253      (no success...)
254      Identical code works fine with TAF.
255    o Fixed verification/natl_box_adjoint experiments.
256      Initial conditions for Experiments 4 and 5 are now
257      set to "SEAICE_initialHEFF=0", which is more reasonable,
258      and hence gives results closer to that of Experiment 2.
259      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
260    
261    checkpoint53
262    o stable checkpoint with up to date adjoint
263      TLM tests only run for 1st grdchk at the moment. Its unclear if
264      this is a code problem or a problem with resetting code for g_
265      variables that is being autogenerated wrong.
266      Otherwise:
267       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
268       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
269         are both still in chaos following their security messes.
270    
271    checkpoint52n_post
272    o various build (mostly genmake2) changes including:
273      - ability to build/run more easily within Cygwin and MacOS X
274      - more complicated Makefiles with a stronger dependence on Gnu Make
275    o pkg/seaice modifications
276      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
277        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
278        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
279      - changed proxy for geostrophic velocity and updated
280        verification/lab_sea/results/* accordingly
281      - removed ADI dynamic solver from pkg/seaice
282      - replaced all occurrences of 1/CSTICE or 1/CSUICE
283        they caused a segmentation fault under certain circumstances
284      - removed unused field WATR
285    o bug fix in exf-package:
286      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
287         now reflect that.
288    o small fixes in the cal-package:
289      - set reference date to first of January for the 'model'-calendar
290      - failing of cal_CheckDate in cal_FullDate now actually results in a
291        warning
292    o small modifications in exf-package to increase flexibility:
293      - change climtempfreeze from a constant to a runtime parameter that
294        is specified in data.exf_clim (default = -1.9)
295      - introduce runtime parameter windstressmax (default = 2.0) that is
296        specified in data.exf
297    o fix in pkg/thsice:
298      - update Evap (Tsf changes) to be consistent with Latent heat flux
299      - maintain snow precipitation unchanged (even if Tsf >=0).
300     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
301    
302    checkpoint52m_post
303    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
304      this does not change any of the results, because myIter=0 in swfrac always
305      lead to jwtype=2 (the default anyway), but the call makes little sense
306      as a default
307    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
308    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
309      atmospheric model (AIM) to use it ; add a "slab ocean" component.
310    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
311    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
312    o extending useSingleCpuIO option to work with new exch2 I/O format
313      - old-style, missing-tile I/O is still accessible by defining CPP
314        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
315    o monitor package can write to NetCDF files and/or STDOUT
316    o fix re-definition bug in MNC_GRID_INIT_ALL()
317    o doc/api_reference added
318      - a framework for building an API Reference Manual using all
319        the "protex" comments embedded in the code
320      - see pkg/generic_advdiff, pkg/mnc for examples
321    o MNC:
322      - make myThid the last argument for all subroutines
323      - new default for the grid files: NO halos
324      - add useMNC and other run-time flags
325      - separate per-file-group handling of the unlimited dimension
326      - early initialization of MNC w/ flags read at the eeboot stage
327        and lookup tables set in initialize_fixed
328      - write all MNC output to a freshly-created directory
329    o thermodynamics sea-ice (thsice) is now tested with testreport.
330    o test exp. advect_cs: use the standard cs32 grid ; update output.
331    o Added functionality to grdchk:
332      pick global i,j,k position (or nearest wet) where to perform check.
333    
334    checkpoint52l_post
335    o new land formulation:
336      a) use ground enthalpy as prognostic variable to ensure exact
337         energy conservation.
338      b) account for water temperature and for latent heat of freezing
339         in all processes (rain, run-off, ground storage)
340      c) compute surface and ground temperature implicitly.
341    o aim_v23 modification for new land model:
342      a) Treat separately land / ocean / sea-ice surface fluxes
343         to allow implicit computation of land & sea-ice surface temp.
344      b) add snow precipitation.
345    checkpoint52l_pre
346    
347    o fix problem (when 1 tile is empty) in min/max monitor.
348    o fix bug in timeAve (u,vZetatave in common block)
349    o no restoring terms under ice for pkg/seaice
350    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
351    o bug fix for pkg/seaice pickups
352    o change MNC call locations and add coordinate attributes
353    o mask vorticity at the corner ; affects global_ocean.cs output
354    o fix ini_curvilinear_grid ; test CS experiments with mpi
355    o aim.5l_cs: modify sea-ice fraction input file ; update output
356    o exf: Adding simple range check routine for exf fields after read
357    
358    checkpoint52k_post
359    o removed top-level directory "diags"
360      - we migrated these functions to pkg/timeave a long time ago
361    o fixed bug introduced in pkg/monitor
362    o accuracy ctrlprec = 32 insuffient for gradient checks using
363      averaged fields (I/O via cost_averages)
364      -> use ctrl.h in active_file*.F to control I/O precision.
365    o paramter list of CALL ADTHE_MAIN_LOOP
366    o added initial do_the_model_io to ecco
367    o set all ...Freq to zero after cost_final
368      taveFreq, dumpFreq, pChkptFreq
369    o MAIN and ECCO differentiability restored
370    
371    checkpoint52j_post
372    o fix nchklev in tamc.h for global_ocean...
373    o Bringing flow and store directives up-to-date
374    o Really weird thing!
375      call do_the_model_io from the_main_loop with parameters
376      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
377      TAF places a faulty re-call of initialise_varia
378      after cost_final call which should not be there!
379    checkpoint52j_pre
380    
381    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
382      error messages
383    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
384    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
385      debug output
386    o modfied mdsio_writefield.F to handle non-global files under exch2
387    o update AIM Cubed-Sphere exp (aim.5l_cs):
388      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
389    o update AIM Equatorial Channel exp:
390      use standard aim_v23 pkg and change the SST fields to be more realistic.
391    o globalFile now works with exch2
392    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
393      mon_vort3.F to make exch2 friendly with >1 tile per cube face
394    o limit timeave output for hi-res integrations
395    
396    checkpoint52i_post
397    o removed CPP_EEOPTIONS.h from verification/*/code
398    o updated the tiling for global_ocean_pressure
399    checkpoint52i_pre
400    
401    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
402      the old pkg/aim).
403    
404    checkpoint52h_pre
405    o shortened offending lines in exch2_send_rx?.template
406    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
407    o genmake2: add build & execute test for NetCDF code
408    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
409      old grid files, moved CPP_EEMACROS.h to pkg/exch2
410    o added useSingleCPUIO flag to monitor.F and mon_out.F
411    o added temporary hack for sea-ice dynamics on the cube:
412      metric terms are ignored and it is assumed that
413      there is no sea-ice on cube faces 1, 2, 4, and 5.
414    
415    checkpoint52f_post
416    o added exch2 cube routines to pkg/exch2
417    o modified hs94.cs-32x32x5 to use it
418    o added new grid files to hs94.cs-32x32x5
419    checkpoint52f_pre
420    
421    checkpoint52e_post
422    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
423      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
424    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
425      to work with implicit vertical advection and AB ;
426    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
427    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
428     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
429    checkpoint52e_pre
430    
431    o fix bug in impldiff when Nr=1 or Nr=2.
432    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
433    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
434    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
435      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
436    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
437    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
438    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
439    
440    checkpoint52d_post
441    o re-tiled many expts to allow comparison in multi-processor mode
442      - updated output accordingly
443      - changed hs94.128x64x5 to use intial T from file rather than use the
444        random number generator
445    o add infrastructure in model routines for fizhi and gridalt packages
446    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
447    o changes to permit hi-res, cubed-sphere, configuration
448      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
449      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
450      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
451        of surface winds for the cube
452      (A verification experiment, based on global_ocean.cs32x15, but with
453       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
454       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
455       complete with example surface forcing files and matlab scripts to look
456       at the output and compare it with that of global_ocean.cs32x15.)
457    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
458       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
459       to conform to the common rule.
460    o check-in the first version of the coupler + interfaces for multi-components
461       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
462       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
463       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
464       - ocean and atmos. share the same horizontal grid (no interpolation).
465       - exchanges between component and coupler is done in forward_step
466    o new verification experiment, cpl_aim+ocn:
467       coupled ocean - AIM atmosphere on cs32 grid.
468    
469    checkpoint52d_pre
470    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
471    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
472    
473    checkpoint52c_post
474    o Fixing OPTIONS files for use of exf:
475      - ALLOW_ECCO not needed
476      - ECCO_CPPOPTIONS.h should not be included from
477        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
478        as has been the case in the past
479      - All cal/exf related options are currently set in
480        single header file. Should remain so until we
481        agree on a consistent new policy.
482    o Removed all CPP options for cal package.
483      cal has no more CPP options.
484    o modified STOREs in GAD_ADVECTION
485    o corrected key comp. for passkey
486    
487    checkpoint52b_post
488    o new version: "thsice" of thermodynamic sea-ice pkg:
489     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
490     - modify fluxes but do not change theta directly;
491     - light cleaning of bulk_force pkg (still needed with thsice).
492     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
493       + output_thsice.txt to test thsice & bulk_force pkgs.
494    o put back grid & coriolis monitor output.
495    checkpoint52b_pre
496    
497    o call "do_the_model_io" at the beginning (=> dump initial state)
498    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
499    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
500      (need info on NUMBER_OF_PTRACERS)
501    o missing PTRACERS headers in some routines
502    o default tamc.h in pkg/autodiff supposed to crash
503      to ensure proper customization
504    
505    checkpoint52a_post
506    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
507      - moved surfaceTendencyTice from pkg/seaice to main code
508      - subroutine FREEZE_SURFACE now limits only surface temperature
509        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
510        => new output.txt for global_ocean.cs32x15 & global_with_exf
511      - keep the old version of FREEZE for backward compatibility;
512        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
513      - corresponding modifs for TAF directives
514    o added surface flux output variables to TIMEAVE_STATVARS
515    o time-averaged output for pkg/ptracers
516    o fix problem with ECCO-related divided adjoint
517      snapshot file was missing some ad-variables,
518      but no warning issued by TAF
519    
520    checkpoint52a_pre
521    o some bug fixes for #undef REAL4_IS_SLOW
522    
523    checkpoint52 = ecco_c52_e35
524    o after testing adjoints of checkpoint51u_post
525    
526    checkpoint51u_post
527    o this is the post-merge tag of the ecco-branch
528      (needs another clean checkout and re-testing)
529    o various natl_box_adjoint configs and results
530      but no input fields
531    o obcs adjoint not yet merged!
532    o adding ECCO global 1x1 and 2x2 degree configs
533    o updated/extended some store directives for seaice
534    o pkg/ecco now containes ecco-specific part of cost function
535    o top level routines the_main_loop, forward_step
536      supersede those in model/src/
537      previous input data.cost now in data.ecco
538      (new namelist ecco_cost_nml)
539    o in ctrl/ cleaned some cross-dependencies and updated CPP options
540    
541    checkpoint51t_post
542    o this is the pre-merge tag of the ecco-branch
543    
544    checkpoint51s_post
545    o cleanup: removed various obsolete #define-s
546    o pkg/grdchk
547      - renamed 'ph-grd 3' to 'grad-res'
548      - merged from ecco-branch
549        (remaining bug fixes for obcs gradient checks)
550      - additional high-precision output for testreport
551        (grep for 'precision_grdchk_result')
552    
553    checkpoint51r_post
554    o cleaned up or removed CPP_OPTIONS.h files
555    o updated results for some of the tests to reflect the new
556      optfiles (-ieee: -O0 instead of -O3)
557    
558    checkpoint51q_post
559    o cd_code:
560      - moved cd_scheme.F -> cd_code_scheme.F
561      - separate read_checkpoint from cd_code_ini_vars.F
562      - separated cd_code part from write_checkpoint
563      - updated AD_SOURCE, generated .flow
564      - added CD_CODE_VARS.h to the_main_loop
565      - Moving cd_code specific store dir.s to pkg/cd_code
566    o ctrl package totally restructured
567      - pack/unpack now optional and decoupled from
568        xx_/adxx_ I/O
569      - ctrl_pack/unpack cleaned
570        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
571      - confined inclusion of AD_CONFIG.h to where necessary.
572    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
573    
574    checkpoint51p_post
575    o create initial cd_code package
576      - WARNING: the initialization of fields within packages
577        is broken because INI_FIELDS (where READ_CHECKPOINT is
578        called) is called *before* PACKAGES_INIT_VARIABLES.
579        This seems to be backwards since
580        1) its important to initially zero the entire field including
581           the "halo" region
582        2) zeroing needs to be done *before* reading pickup info
583           and the pickup call might or might not happen in any
584           particular run
585      - this needs an overhaul for R2
586    o cleanup verification/*/code/GMREDI_OPTIONS.h
587    o cleanup testreport
588    
589    checkpoint51o_post
590    o bringing AD-related verif's up to date with genmake2
591      - carbon/
592      - global_ocean.90x40x15/
593      - hs.94.1x64x5/
594      - (front_relax/ )
595    o (more) consistent directory structure for AD-related verif.'s
596    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
597    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
598    o bug fix in find_alpha.F for MDJWF:
599      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
600        change rho -> rho-rhoConst
601      - replace call find_rho to find_rhonum
602    o initialisation of rFlx extended to full array (required by TAF)
603      and shifted to thermodynamics
604    o removed PTRACERS.h in ptracers routine
605    o added surfacetendencyPtr to S/R parameter list pracers_forcing
606    o Correcting initialisations for fVerU, fVerV.
607    o helping TAF to recognize dependency on kUp for
608      fVerU, fVerV
609    o Replacing delZ by delR in pkg/ctrl/
610    checkpoint51o_pre
611    
612    o undid all of cp51 pending some cleanups and discussion
613    o added the [#include "AD_CONFIG.h"] statement to all files that need
614       it for adjoint/tl #defines
615     o re-worked the build logic in genmake2 to support AD_CONFIG.h
616     o removed tools/genmake since it no longer works
617    
618    checkpoint51n_post
619    o modifications to make FREEZE flux visible to pkg/kpp
620      - moved surfaceTendencyTice from pkg/seaice to main code
621      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
622      - subroutine FREEZE now limits only surface temperature
623        (this means new output.txt for global_ocean.90x40x15,
624         global_ocean.cs32x15, and global_with_exf)
625    o added surface flux output variables to TIMEAVE_STATVARS
626    
627    checkpoint51n_pre
628    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
629    o added [#include "AD_CONFIG.h"] to all files that use the following
630      defines:
631      - ALLOW_ADJOINT_RUN
632      - ALLOW_TANGENTLINEAR_RUN
633      - ALLOW_ECCO_OPTIMIZATION
634    
635    checkpoint51m_post
636    o incorporating changes to get TAMC/TAF working in genmake2
637      - added new TAMC/TAF targets to the Makefile
638      - various cleanups related to package handling
639      - these changes should have no impact on the forward model
640    
641    checkpoint51l_post
642    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
643     - faster algorithm for cal_addtime.F
644     - higher precision arithmetic, where needed
645     - pkg/exf *startdate variables changed from calendar date to
646       model integration time
647    
648    checkpoint51l_pre
649    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
650    o enable to apply restoring on S & T only in a latitude band.
651    o update output (external_forcing_surf modif. change truncation errors)
652       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
653    
654    checkpoint51k_post
655    o change default to: useNHMTerms=.FALSE.
656     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
657       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
658     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
659        exp1, ideal_2D_oce
660     - change data file of oceanic exp (leave the results unchanged for now)
661       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
662    o set gravitySign automatically according to the vertical coordinate used
663      (and change sign: back to "logical" value: +1 when R increases downward)
664    o added an include barrier to the default CPP_OPTIONS.h and
665      removed the #include "PACKAGES_CONFIG.h" from it
666    o fix a bug in mom_fluxform (from chk51j_post)
667    
668    checkpoint51j_post
669    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
670    o adjusted some flow directives (dynamics, thermodynamics)
671    o added cubed-sphere case to test cost function
672    o heckpoint_lev?_directives.h now include
673      pkg-specific directives, whenever those are enabled.
674    o Moving pkg-specific flow directives to corresponding pkg
675      Moving pkg-specific differentiation list to corresponding pkg
676      Moving pkg-specific checkpoint-lev storing to corresponding pkg
677      ---> conventions are
678           - pkg_ad.flow
679           - pkg_ad_diff.list
680           - pkg_ad_check_lev?_dir.h
681    
682    checkpoint51i_post
683    o merge of the branch-genmake2
684      - knowingly breaks the older genmake
685      - automatic generation of all ALLOW_${PKG_NAME} defines
686      - new testreport supersedes older testscript
687    o large number of package inclusion and header cleanups
688    checkpoint51i_pre
689    
690    o new output for adjoin of global ocean vector invariant
691    o fix for checkpoint of thermodynamic seaice and bulk_force
692    o Steph gchem various cleanups
693    
694    checkpoint 51h_pre
695    o fixed some single quotes
696    o modify gchem pkg to be more versatile
697    o modifications to clean up dic pkg
698    o add pkg/cfc
699    
700    checkpoint51g_post
701    o provide links for ARPACK and ADM*TLM
702    o start removing verification/vero/
703    o update AD-related stuff
704      (in particular some IF-statements in model/src/ routines)
705    o adding to verification/global_ocean.90x40x15/ adjoint of
706      vector invariant setup
707    
708    checkpoint51f_post
709    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
710    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
711      of tracer Green's fucntions for ocean inversion project.
712    
713    checkpoint51f_pre
714    o Added on-the-fly spatial interpolation capability
715        "USE_EXF_INTERPOLATION" to pkg/exf.
716      - This is a temporary Cartesian-grid hack until
717        the super-duper ESMF coupler becomes available.
718      - See verification/global_with_exf/README for usage example.
719      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
720        flags and modified pkg/seaice accordingly.
721    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
722        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
723        non-local transport term.
724    
725    checkpoint51e_post
726    o pkg/mom_vecinv:
727      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
728      - add time-ave diagnostic of vorticity advection.
729    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
730    o atmospheric geopotential: - include water vapor effect;
731                                - use p^kappa in p* scaling.
732    o land pkg: read initial state from files.
733    o AIM : add stratospheric drag in the upper level
734    
735    checkpoint51d_post
736    o change function ILNBLNK (=> last non-blank char.) to return zero
737      (instead of the string length) when the string. char is empty
738    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
739    o modif's to restore TAMC compatibility
740      - avoid "_d" constructs in PARAMETER declarations
741      - avoid interrupting lines by comment lines
742    o Use cluster local disks for purely local I/O
743      vs. globally visible disks needed for ctrl stuff
744      (merged from ecco-branch)
745      - new active_file_loc... and mdsio_..._loc routines
746      - affected packages: autodiff, ctrl, grdchk, mdsio
747    
748    checkpoint51c_post
749    o introducing integer flag debugLevel
750      - debLevZero: suppress all output
751      - debLevA: standard
752      - debLevB: equivalent to current debugMode=.TRUE.
753    o introducing pathname variable mdsioLocalDir for mdsio
754      that can be specified at runtime
755      (relevant for cluster I/O to local disk)
756    `
757    >>>checkpoint51b_post
758    adjoint of ptracers
759    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
760    o extended state in checkpoint_lev?, etc.
761    o alternative ctrl/cost with tr1 or ptracer
762    o new comlev1_bibj_ptracers
763    o new ptracers.flow
764    o made ptracers_forcing same as external_forcing_s
765    o added verification for adjoint with ptracers
766      - adm. grdchk fail so far
767      - tlm. grdchk OK
768      - checked tapelev/comlev recomputations: OK
769    <<<checkpoint51b_pre
770    
771    checkpoint51a_post
772    o added code for biogeochemistry package
773      - new pkgs: dic, gchem
774      - new subroutine in ptracers
775    o modify code for biogeo packages
776      - in model/src and pkg/ptracers
777    
778  checkpoint51  checkpoint51
779  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
780    - autodiff, ctrl, exf, grdchk, seaice    - autodiff, ctrl, exf, grdchk, seaice

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