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revision 1.146 by heimbach, Tue Mar 25 22:48:11 2003 UTC revision 1.358 by jmc, Mon Sep 27 14:54:35 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    
29    checkpoint55c_post
30    o obcs stuff
31      - new runtime flags useOBCSprescribe, useOBCSbalance
32      - re-arranged obcs_calc
33      - moved exf_getobcs to obcs_prescibe_read
34        obcs_prescibe_read is called after ORLANSKI stuff
35        and independent of it (executable can contain all).
36      - updated obcs_check
37      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
38        These may be necessary only if tangential velocities are
39        prescribed at OB, not sure, needs testing.
40    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
41      which simplifies the calls and passes the ifc check-bounds test
42    
43    checkpoint55b_post
44    o add a 2D scalar, Z location, exchange_2 routine.
45    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
46      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
47      affects advect_cs results (for the wrong reason): update output.txt
48    o use a more standard discretization for biharmonic viscosity ;
49     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
50      affects results of dome set-up: update output.txt
51    o fix gad_advection.F (CubedSphere part), back to version 1.23
52    o fix bug in mom_vi_del2uv.F (CubedSphere part).
53    
54    checkpoint55a_post
55    o merged code to
56      * prescribe/read time-dependent open boundaries
57        (works in conjunction with exf, cal)
58      * sponge layer code for open boundaries
59      * each boundary N/S/E/W now has its own CPP option
60        (healthy for the adjoint)
61    
62    checkpoint55
63    o up-to-date adjoint of previous breaks
64      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
65      - global_ocean_ebm: adjoint still needs fix (TLM ok)
66      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
67      - carbon: * remove tr1-related adjoint verification
68                * add ptracer as control variable
69    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
70      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
71    
72    checkpoint54f_post
73    o in verification/carbin/ remove experiment related to
74      ALLOW_PASSIVE_TRACER (array tr1 etc)
75      code_ad/ input_ad/ results_ad
76    
77    o add two new packages
78      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
79        + subject to optimization (memory)
80      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
81        + subject to reordering (many GOTOs in the original code)
82        + so far opps is called for every (i,j) point, and then operates in
83          the vertical; one may want to reorder the scheme in order operate in
84          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
85          fields)
86    o overhaul of IO so that we now have flags for MDSIO and/or MNC
87      - all verification tests compile and run with linux_ia32_g77
88      - defaults are compatible with current input files--nothing
89        should change if you were not previously using MNC
90      - MNC output has been added in numerous places (eg. timeave)
91        but there are still a few writes not yet do-able with MNC
92        (this is in progress)
93      - flags now allow for either/or/both use of MDSIO and MNC and
94        documentation will soon follow
95      - numerous small formatting cleanups for ProTeX
96    o add version info (via BUILD_INFO.h) to MNC and stdout
97    
98    checkpoint54e_post
99    o add two new packages
100      - pp81 (Packanowski and Philander, 1981), Richardson number and
101        stratification dependent mixing
102      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
103      - these scheme operate in a similar manner as KPP (without ghat, of
104        course), however there is only one diffusivity that is used for both
105        temperature and salinity (and passive tracers)ç
106    o add offline package
107    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
108      provided by Stephanie Dutkiewicz
109    o genmake2: add ability to search for C compilers and cleanup test output
110      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
111    
112    checkpoint54d_post
113    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
114    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
115      leading to additional shift by 5 days each year of integration
116       (i.e. leading to considerable offset over the years)
117    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
118    o start with no AB and no initial filtering (staggerTimeStep):
119      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
120    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
121      (external loading & cpl import/export stay in forward_step.F)
122    o update coupling interface to work with new staggerTimeStep
123    o change MDSIO ptracers_pickup.
124    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
125    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
126    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
127    
128    checkpoint54c_post
129    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
130      this affects (truncation error) output.txt of test-exp:
131       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
132    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
133    o change Qnet to always be the net heat flux, (+upward).
134      affects (truncation error) output of natl_box exp.: updated
135    o define the max number of passive tracers in PTRACERS_SIZE.h
136    o start to test mnc routinely in exp0
137    o add sea-ice loading (sIceLoad) as a new forcing field.
138    
139    checkpoint54b_post
140    o add testreport "-j JOBS" option for parallel builds (tested and pretty
141       impressive on Altix and Opteron systems)
142    o diagnostics can now write NetCDF files through the mnc package
143    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
144    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
145    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
146      affects (truncation error) output of lab_sea & natl_box exp.: updated
147    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
148    
149    checkpoint54a_post
150    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
151    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
152    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
153    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
154      + internal_wave (shift in writing cg2d_ini_res)
155    checkpoint54a_pre
156    
157    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
158      - modified verification/lab_sea and natl_box_adjoint accordingly
159    
160    checkpoint54
161    checkpoint53g_post
162    o prepare splitting of thermodynamics: store convect.counter in common block
163    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
164      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
165    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
166    o new parameter "nShapS": allow to treat differently S from T (nShapT)
167    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
168    o restore adjointability
169    
170    checkpoint53f_post
171    o modifications that affect AIM experiment results (update output.txt):
172      - no advection of S at top interface Nr (pkg/generic_advdiff)
173      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
174    o AIM pkg:
175      - include stability function into surf.Flux derivative relative to Tsurf
176      - calculate clear-sky radiation & surface temp. change (for diagnostics)
177    
178    checkpoint53e_post
179    o merged cylindrical coord configuration
180    o added rotating_tank experiment
181    checkpoint53e_pre
182    
183    checkpoint53d_post
184    o faulks upgraded: re-generate output.txt that have changed:
185       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
186    o Added Bryan and Lewis, 1979, vertical diffusivity profile
187    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
188    o added Sadourny discretization of Coriolis
189      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
190      - re-enabled use of omega3 (useAbsVorticity)
191    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
192      vector-invariant equations
193      - note: does *NOT* yet use same variable visc. for no-slip BC's.
194    o recoded the lateral boundary conditions for non-hydrostatic w, this time
195      hopefully without new bugs
196      - still to do: biharmonic friction for non-hydrostatic w
197    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
198    o regenerated output for global_ocean_ebm (using -ieee)
199    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
200      of mom_common/
201      - simple re-arrangement of instructions within computing loop
202    checkpoint53d_pre
203    
204    checkpoint53c_post
205    o new version of coupler for AIM+thSIce and Ocean models
206     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
207     - land: change Evaporation of snow
208     - aim with thSIce: fix bug in snow-precip.
209    o changes to calc_gw.F
210     - bug fix for w^2 term near the bottom boundary
211     - (hopefully) improve the lateral slip boundary condtions for use with
212        partial/looped cells
213      - because the bug fix changes two verification experiments anyway (exp5
214        and plume on slope), change the lateral boundary condition from half slip
215        to the value of no_slip_sides
216    o ebm package wasnt quite up to the parallel task. Fixed that.
217    o Adjoint of EBM package + verification
218      * TLM OK
219      * ADM not sufficient accuracy yet (needs further testing)
220    
221    checkpoint53b_post
222    o Commiting new energy balance model to repository
223      * package is pkg/ebm
224      * verif. is verification/global_ocean_ebm
225      * references are in ebm_driver.F
226    C      * X. Wang, P. Stone and J. Marotzke, 1999:
227    C        Global thermohaline circulation. Part I:
228    C        Sensitivity to atmospheric moisture transport.
229    C        J. Climate 12(1), 71-82
230    C      * X. Wang, P. Stone and J. Marotzke, 1999:
231    C        Global thermohaline circulation. Part II:
232    C        Sensitivity with interactive transport.
233    C        J. Climate 12(1), 83-91
234    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
235    C        Destabilization of the thermohaline circulation
236    C        by atmospheric eddy transports.
237    C        J. Climate 7(12), 1870-1882
238    o Will need long integration testing.
239    checkpoint53b_pre
240    
241    o created pkg/mom_common in preparation for variable viscosity code
242    o renamed and split ini_mnc_io
243    o pkg/land: only liquid water can diffuse or run-off
244    o AIM using land: soil wetness availability account for snow
245    o added printMapIncludesZeros to EEPARMS namelist
246    
247    checkpoint53a_post
248    o restore TAMC compatiility for exf_constants.h
249      (no usage of _d in .h)
250    o Additional storing in KPP in an attempt to fix
251      TAMC problem with adjoint of KPP code.
252      (no success...)
253      Identical code works fine with TAF.
254    o Fixed verification/natl_box_adjoint experiments.
255      Initial conditions for Experiments 4 and 5 are now
256      set to "SEAICE_initialHEFF=0", which is more reasonable,
257      and hence gives results closer to that of Experiment 2.
258      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
259    
260    checkpoint53
261    o stable checkpoint with up to date adjoint
262      TLM tests only run for 1st grdchk at the moment. Its unclear if
263      this is a code problem or a problem with resetting code for g_
264      variables that is being autogenerated wrong.
265      Otherwise:
266       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
267       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
268         are both still in chaos following their security messes.
269    
270    checkpoint52n_post
271    o various build (mostly genmake2) changes including:
272      - ability to build/run more easily within Cygwin and MacOS X
273      - more complicated Makefiles with a stronger dependence on Gnu Make
274    o pkg/seaice modifications
275      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
276        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
277        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
278      - changed proxy for geostrophic velocity and updated
279        verification/lab_sea/results/* accordingly
280      - removed ADI dynamic solver from pkg/seaice
281      - replaced all occurrences of 1/CSTICE or 1/CSUICE
282        they caused a segmentation fault under certain circumstances
283      - removed unused field WATR
284    o bug fix in exf-package:
285      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
286         now reflect that.
287    o small fixes in the cal-package:
288      - set reference date to first of January for the 'model'-calendar
289      - failing of cal_CheckDate in cal_FullDate now actually results in a
290        warning
291    o small modifications in exf-package to increase flexibility:
292      - change climtempfreeze from a constant to a runtime parameter that
293        is specified in data.exf_clim (default = -1.9)
294      - introduce runtime parameter windstressmax (default = 2.0) that is
295        specified in data.exf
296    o fix in pkg/thsice:
297      - update Evap (Tsf changes) to be consistent with Latent heat flux
298      - maintain snow precipitation unchanged (even if Tsf >=0).
299     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
300    
301    checkpoint52m_post
302    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
303      this does not change any of the results, because myIter=0 in swfrac always
304      lead to jwtype=2 (the default anyway), but the call makes little sense
305      as a default
306    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
307    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
308      atmospheric model (AIM) to use it ; add a "slab ocean" component.
309    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
310    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
311    o extending useSingleCpuIO option to work with new exch2 I/O format
312      - old-style, missing-tile I/O is still accessible by defining CPP
313        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
314    o monitor package can write to NetCDF files and/or STDOUT
315    o fix re-definition bug in MNC_GRID_INIT_ALL()
316    o doc/api_reference added
317      - a framework for building an API Reference Manual using all
318        the "protex" comments embedded in the code
319      - see pkg/generic_advdiff, pkg/mnc for examples
320    o MNC:
321      - make myThid the last argument for all subroutines
322      - new default for the grid files: NO halos
323      - add useMNC and other run-time flags
324      - separate per-file-group handling of the unlimited dimension
325      - early initialization of MNC w/ flags read at the eeboot stage
326        and lookup tables set in initialize_fixed
327      - write all MNC output to a freshly-created directory
328    o thermodynamics sea-ice (thsice) is now tested with testreport.
329    o test exp. advect_cs: use the standard cs32 grid ; update output.
330    o Added functionality to grdchk:
331      pick global i,j,k position (or nearest wet) where to perform check.
332    
333    checkpoint52l_post
334    o new land formulation:
335      a) use ground enthalpy as prognostic variable to ensure exact
336         energy conservation.
337      b) account for water temperature and for latent heat of freezing
338         in all processes (rain, run-off, ground storage)
339      c) compute surface and ground temperature implicitly.
340    o aim_v23 modification for new land model:
341      a) Treat separately land / ocean / sea-ice surface fluxes
342         to allow implicit computation of land & sea-ice surface temp.
343      b) add snow precipitation.
344    checkpoint52l_pre
345    
346    o fix problem (when 1 tile is empty) in min/max monitor.
347    o fix bug in timeAve (u,vZetatave in common block)
348    o no restoring terms under ice for pkg/seaice
349    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
350    o bug fix for pkg/seaice pickups
351    o change MNC call locations and add coordinate attributes
352    o mask vorticity at the corner ; affects global_ocean.cs output
353    o fix ini_curvilinear_grid ; test CS experiments with mpi
354    o aim.5l_cs: modify sea-ice fraction input file ; update output
355    o exf: Adding simple range check routine for exf fields after read
356    
357    checkpoint52k_post
358    o removed top-level directory "diags"
359      - we migrated these functions to pkg/timeave a long time ago
360    o fixed bug introduced in pkg/monitor
361    o accuracy ctrlprec = 32 insuffient for gradient checks using
362      averaged fields (I/O via cost_averages)
363      -> use ctrl.h in active_file*.F to control I/O precision.
364    o paramter list of CALL ADTHE_MAIN_LOOP
365    o added initial do_the_model_io to ecco
366    o set all ...Freq to zero after cost_final
367      taveFreq, dumpFreq, pChkptFreq
368    o MAIN and ECCO differentiability restored
369    
370    checkpoint52j_post
371    o fix nchklev in tamc.h for global_ocean...
372    o Bringing flow and store directives up-to-date
373    o Really weird thing!
374      call do_the_model_io from the_main_loop with parameters
375      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
376      TAF places a faulty re-call of initialise_varia
377      after cost_final call which should not be there!
378    checkpoint52j_pre
379    
380    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
381      error messages
382    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
383    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
384      debug output
385    o modfied mdsio_writefield.F to handle non-global files under exch2
386    o update AIM Cubed-Sphere exp (aim.5l_cs):
387      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
388    o update AIM Equatorial Channel exp:
389      use standard aim_v23 pkg and change the SST fields to be more realistic.
390    o globalFile now works with exch2
391    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
392      mon_vort3.F to make exch2 friendly with >1 tile per cube face
393    o limit timeave output for hi-res integrations
394    
395    checkpoint52i_post
396    o removed CPP_EEOPTIONS.h from verification/*/code
397    o updated the tiling for global_ocean_pressure
398    checkpoint52i_pre
399    
400    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
401      the old pkg/aim).
402    
403    checkpoint52h_pre
404    o shortened offending lines in exch2_send_rx?.template
405    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
406    o genmake2: add build & execute test for NetCDF code
407    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
408      old grid files, moved CPP_EEMACROS.h to pkg/exch2
409    o added useSingleCPUIO flag to monitor.F and mon_out.F
410    o added temporary hack for sea-ice dynamics on the cube:
411      metric terms are ignored and it is assumed that
412      there is no sea-ice on cube faces 1, 2, 4, and 5.
413    
414    checkpoint52f_post
415    o added exch2 cube routines to pkg/exch2
416    o modified hs94.cs-32x32x5 to use it
417    o added new grid files to hs94.cs-32x32x5
418    checkpoint52f_pre
419    
420    checkpoint52e_post
421    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
422      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
423    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
424      to work with implicit vertical advection and AB ;
425    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
426    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
427     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
428    checkpoint52e_pre
429    
430    o fix bug in impldiff when Nr=1 or Nr=2.
431    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
432    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
433    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
434      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
435    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
436    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
437    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
438    
439    checkpoint52d_post
440    o re-tiled many expts to allow comparison in multi-processor mode
441      - updated output accordingly
442      - changed hs94.128x64x5 to use intial T from file rather than use the
443        random number generator
444    o add infrastructure in model routines for fizhi and gridalt packages
445    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
446    o changes to permit hi-res, cubed-sphere, configuration
447      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
448      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
449      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
450        of surface winds for the cube
451      (A verification experiment, based on global_ocean.cs32x15, but with
452       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
453       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
454       complete with example surface forcing files and matlab scripts to look
455       at the output and compare it with that of global_ocean.cs32x15.)
456    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
457       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
458       to conform to the common rule.
459    o check-in the first version of the coupler + interfaces for multi-components
460       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
461       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
462       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
463       - ocean and atmos. share the same horizontal grid (no interpolation).
464       - exchanges between component and coupler is done in forward_step
465    o new verification experiment, cpl_aim+ocn:
466       coupled ocean - AIM atmosphere on cs32 grid.
467    
468    checkpoint52d_pre
469    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
470    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
471    
472    checkpoint52c_post
473    o Fixing OPTIONS files for use of exf:
474      - ALLOW_ECCO not needed
475      - ECCO_CPPOPTIONS.h should not be included from
476        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
477        as has been the case in the past
478      - All cal/exf related options are currently set in
479        single header file. Should remain so until we
480        agree on a consistent new policy.
481    o Removed all CPP options for cal package.
482      cal has no more CPP options.
483    o modified STOREs in GAD_ADVECTION
484    o corrected key comp. for passkey
485    
486    checkpoint52b_post
487    o new version: "thsice" of thermodynamic sea-ice pkg:
488     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
489     - modify fluxes but do not change theta directly;
490     - light cleaning of bulk_force pkg (still needed with thsice).
491     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
492       + output_thsice.txt to test thsice & bulk_force pkgs.
493    o put back grid & coriolis monitor output.
494    checkpoint52b_pre
495    
496    o call "do_the_model_io" at the beginning (=> dump initial state)
497    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
498    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
499      (need info on NUMBER_OF_PTRACERS)
500    o missing PTRACERS headers in some routines
501    o default tamc.h in pkg/autodiff supposed to crash
502      to ensure proper customization
503    
504    checkpoint52a_post
505    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
506      - moved surfaceTendencyTice from pkg/seaice to main code
507      - subroutine FREEZE_SURFACE now limits only surface temperature
508        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
509        => new output.txt for global_ocean.cs32x15 & global_with_exf
510      - keep the old version of FREEZE for backward compatibility;
511        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
512      - corresponding modifs for TAF directives
513    o added surface flux output variables to TIMEAVE_STATVARS
514    o time-averaged output for pkg/ptracers
515    o fix problem with ECCO-related divided adjoint
516      snapshot file was missing some ad-variables,
517      but no warning issued by TAF
518    
519    checkpoint52a_pre
520    o some bug fixes for #undef REAL4_IS_SLOW
521    
522    checkpoint52 = ecco_c52_e35
523    o after testing adjoints of checkpoint51u_post
524    
525    checkpoint51u_post
526    o this is the post-merge tag of the ecco-branch
527      (needs another clean checkout and re-testing)
528    o various natl_box_adjoint configs and results
529      but no input fields
530    o obcs adjoint not yet merged!
531    o adding ECCO global 1x1 and 2x2 degree configs
532    o updated/extended some store directives for seaice
533    o pkg/ecco now containes ecco-specific part of cost function
534    o top level routines the_main_loop, forward_step
535      supersede those in model/src/
536      previous input data.cost now in data.ecco
537      (new namelist ecco_cost_nml)
538    o in ctrl/ cleaned some cross-dependencies and updated CPP options
539    
540    checkpoint51t_post
541    o this is the pre-merge tag of the ecco-branch
542    
543    checkpoint51s_post
544    o cleanup: removed various obsolete #define-s
545    o pkg/grdchk
546      - renamed 'ph-grd 3' to 'grad-res'
547      - merged from ecco-branch
548        (remaining bug fixes for obcs gradient checks)
549      - additional high-precision output for testreport
550        (grep for 'precision_grdchk_result')
551    
552    checkpoint51r_post
553    o cleaned up or removed CPP_OPTIONS.h files
554    o updated results for some of the tests to reflect the new
555      optfiles (-ieee: -O0 instead of -O3)
556    
557    checkpoint51q_post
558    o cd_code:
559      - moved cd_scheme.F -> cd_code_scheme.F
560      - separate read_checkpoint from cd_code_ini_vars.F
561      - separated cd_code part from write_checkpoint
562      - updated AD_SOURCE, generated .flow
563      - added CD_CODE_VARS.h to the_main_loop
564      - Moving cd_code specific store dir.s to pkg/cd_code
565    o ctrl package totally restructured
566      - pack/unpack now optional and decoupled from
567        xx_/adxx_ I/O
568      - ctrl_pack/unpack cleaned
569        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
570      - confined inclusion of AD_CONFIG.h to where necessary.
571    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
572    
573    checkpoint51p_post
574    o create initial cd_code package
575      - WARNING: the initialization of fields within packages
576        is broken because INI_FIELDS (where READ_CHECKPOINT is
577        called) is called *before* PACKAGES_INIT_VARIABLES.
578        This seems to be backwards since
579        1) its important to initially zero the entire field including
580           the "halo" region
581        2) zeroing needs to be done *before* reading pickup info
582           and the pickup call might or might not happen in any
583           particular run
584      - this needs an overhaul for R2
585    o cleanup verification/*/code/GMREDI_OPTIONS.h
586    o cleanup testreport
587    
588    checkpoint51o_post
589    o bringing AD-related verif's up to date with genmake2
590      - carbon/
591      - global_ocean.90x40x15/
592      - hs.94.1x64x5/
593      - (front_relax/ )
594    o (more) consistent directory structure for AD-related verif.'s
595    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
596    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
597    o bug fix in find_alpha.F for MDJWF:
598      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
599        change rho -> rho-rhoConst
600      - replace call find_rho to find_rhonum
601    o initialisation of rFlx extended to full array (required by TAF)
602      and shifted to thermodynamics
603    o removed PTRACERS.h in ptracers routine
604    o added surfacetendencyPtr to S/R parameter list pracers_forcing
605    o Correcting initialisations for fVerU, fVerV.
606    o helping TAF to recognize dependency on kUp for
607      fVerU, fVerV
608    o Replacing delZ by delR in pkg/ctrl/
609    checkpoint51o_pre
610    
611    o undid all of cp51 pending some cleanups and discussion
612    o added the [#include "AD_CONFIG.h"] statement to all files that need
613       it for adjoint/tl #defines
614     o re-worked the build logic in genmake2 to support AD_CONFIG.h
615     o removed tools/genmake since it no longer works
616    
617    checkpoint51n_post
618    o modifications to make FREEZE flux visible to pkg/kpp
619      - moved surfaceTendencyTice from pkg/seaice to main code
620      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
621      - subroutine FREEZE now limits only surface temperature
622        (this means new output.txt for global_ocean.90x40x15,
623         global_ocean.cs32x15, and global_with_exf)
624    o added surface flux output variables to TIMEAVE_STATVARS
625    
626    checkpoint51n_pre
627    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
628    o added [#include "AD_CONFIG.h"] to all files that use the following
629      defines:
630      - ALLOW_ADJOINT_RUN
631      - ALLOW_TANGENTLINEAR_RUN
632      - ALLOW_ECCO_OPTIMIZATION
633    
634    checkpoint51m_post
635    o incorporating changes to get TAMC/TAF working in genmake2
636      - added new TAMC/TAF targets to the Makefile
637      - various cleanups related to package handling
638      - these changes should have no impact on the forward model
639    
640    checkpoint51l_post
641    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
642     - faster algorithm for cal_addtime.F
643     - higher precision arithmetic, where needed
644     - pkg/exf *startdate variables changed from calendar date to
645       model integration time
646    
647    checkpoint51l_pre
648    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
649    o enable to apply restoring on S & T only in a latitude band.
650    o update output (external_forcing_surf modif. change truncation errors)
651       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
652    
653    checkpoint51k_post
654    o change default to: useNHMTerms=.FALSE.
655     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
656       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
657     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
658        exp1, ideal_2D_oce
659     - change data file of oceanic exp (leave the results unchanged for now)
660       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
661    o set gravitySign automatically according to the vertical coordinate used
662      (and change sign: back to "logical" value: +1 when R increases downward)
663    o added an include barrier to the default CPP_OPTIONS.h and
664      removed the #include "PACKAGES_CONFIG.h" from it
665    o fix a bug in mom_fluxform (from chk51j_post)
666    
667    checkpoint51j_post
668    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
669    o adjusted some flow directives (dynamics, thermodynamics)
670    o added cubed-sphere case to test cost function
671    o heckpoint_lev?_directives.h now include
672      pkg-specific directives, whenever those are enabled.
673    o Moving pkg-specific flow directives to corresponding pkg
674      Moving pkg-specific differentiation list to corresponding pkg
675      Moving pkg-specific checkpoint-lev storing to corresponding pkg
676      ---> conventions are
677           - pkg_ad.flow
678           - pkg_ad_diff.list
679           - pkg_ad_check_lev?_dir.h
680    
681    checkpoint51i_post
682    o merge of the branch-genmake2
683      - knowingly breaks the older genmake
684      - automatic generation of all ALLOW_${PKG_NAME} defines
685      - new testreport supersedes older testscript
686    o large number of package inclusion and header cleanups
687    checkpoint51i_pre
688    
689    o new output for adjoin of global ocean vector invariant
690    o fix for checkpoint of thermodynamic seaice and bulk_force
691    o Steph gchem various cleanups
692    
693    checkpoint 51h_pre
694    o fixed some single quotes
695    o modify gchem pkg to be more versatile
696    o modifications to clean up dic pkg
697    o add pkg/cfc
698    
699    checkpoint51g_post
700    o provide links for ARPACK and ADM*TLM
701    o start removing verification/vero/
702    o update AD-related stuff
703      (in particular some IF-statements in model/src/ routines)
704    o adding to verification/global_ocean.90x40x15/ adjoint of
705      vector invariant setup
706    
707    checkpoint51f_post
708    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
709    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
710      of tracer Green's fucntions for ocean inversion project.
711    
712    checkpoint51f_pre
713    o Added on-the-fly spatial interpolation capability
714        "USE_EXF_INTERPOLATION" to pkg/exf.
715      - This is a temporary Cartesian-grid hack until
716        the super-duper ESMF coupler becomes available.
717      - See verification/global_with_exf/README for usage example.
718      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
719        flags and modified pkg/seaice accordingly.
720    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
721        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
722        non-local transport term.
723    
724    checkpoint51e_post
725    o pkg/mom_vecinv:
726      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
727      - add time-ave diagnostic of vorticity advection.
728    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
729    o atmospheric geopotential: - include water vapor effect;
730                                - use p^kappa in p* scaling.
731    o land pkg: read initial state from files.
732    o AIM : add stratospheric drag in the upper level
733    
734    checkpoint51d_post
735    o change function ILNBLNK (=> last non-blank char.) to return zero
736      (instead of the string length) when the string. char is empty
737    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
738    o modif's to restore TAMC compatibility
739      - avoid "_d" constructs in PARAMETER declarations
740      - avoid interrupting lines by comment lines
741    o Use cluster local disks for purely local I/O
742      vs. globally visible disks needed for ctrl stuff
743      (merged from ecco-branch)
744      - new active_file_loc... and mdsio_..._loc routines
745      - affected packages: autodiff, ctrl, grdchk, mdsio
746    
747    checkpoint51c_post
748    o introducing integer flag debugLevel
749      - debLevZero: suppress all output
750      - debLevA: standard
751      - debLevB: equivalent to current debugMode=.TRUE.
752    o introducing pathname variable mdsioLocalDir for mdsio
753      that can be specified at runtime
754      (relevant for cluster I/O to local disk)
755    `
756    >>>checkpoint51b_post
757    adjoint of ptracers
758    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
759    o extended state in checkpoint_lev?, etc.
760    o alternative ctrl/cost with tr1 or ptracer
761    o new comlev1_bibj_ptracers
762    o new ptracers.flow
763    o made ptracers_forcing same as external_forcing_s
764    o added verification for adjoint with ptracers
765      - adm. grdchk fail so far
766      - tlm. grdchk OK
767      - checked tapelev/comlev recomputations: OK
768    <<<checkpoint51b_pre
769    
770    checkpoint51a_post
771    o added code for biogeochemistry package
772      - new pkgs: dic, gchem
773      - new subroutine in ptracers
774    o modify code for biogeo packages
775      - in model/src and pkg/ptracers
776    
777    checkpoint51
778    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
779      - autodiff, ctrl, exf, grdchk, seaice
780      kept separate packages
781      - cost, ecco, obcs
782    o updating verification/internal_wave, verification/lab_sea
783      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
784    
785    checkpoint50i_post
786    o Preparing next differentiable checkpoint and sync
787      of MAIN vs. ecco-branch
788      - 1st step: this one is differentiable
789      - 2nd step: next(! not this) checkpoint will have updated packages
790                  from ecco-branch)
791    
792    checkpoint50h_post
793    o new package "land": provide surface BC for AIM.
794    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
795    o AIM: use true log-P extrapolation for near surface temp (= as in
796        F.Molteni paper) ; update aim.5l_cs output.
797    o New variable in PARM03 for more flexible pickups
798    o somewhat cleaned package initialisation sequence for
799      ctrl/ cost/ ecco/ in packages_... routines
800    
801    checkpoint50g_post
802    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
803      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
804      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
805        made the default because of faster convergence than ADI
806    
807    checkpoint50f_post
808    o exf totally restructured
809      - replaced all exf_set_ routines by one generic exf_set_gen.F
810        and made sure it's still differentiable
811      - split exf_getffields.F into new exf_bulkformulae.F
812      - exf_inscal_/exf_outscal_ suffixes consistent with field names
813      - updated adjoint/makefile and relevant verif. accordingly
814    
815    checkpoint50f_pre
816     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
817          + change Evap over land. (update aim.5l_cs output)
818     o added missing .cvsignores and made uniform across expts
819     o changed configuration of tidal_basin_2d expt
820     o added pkg/debug functions for tracing code in fatal crashes
821     o tidied pkg/monitor to use MONITOR_OPTIONS.h
822     o new fn in pkg/monitor to stop model if solution grows too big
823     o removed lots of single quotes from comments
824    
825    checkpoint50e_post
826    o make KPP work with PTRACERS
827     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
828       nearly a copy of kpp_transport_s
829     - there is no analogue to SurfaceTendencyS, so I have to use
830       gPtr(of the surface layer) instead
831    o add a new platform SunFire+mpi (SunFire 15000) to genmake
832    checkpoint50e_pre
833    
834    checkpoint50d_post
835    o change kpp output from multiple-record state files to single-record state
836      files analogous to write_state.F
837    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
838      analogous to the cg2d-related output.
839    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
840      so that writing to internal file fn (with length 512) fails.
841    checkpoint50d_pre
842    
843    checkpoint50c_post
844    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
845    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
846    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
847    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
848    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
849    
850    checkpoint50c_pre
851    Merging from release1_p13:
852    o bug fix for pkg/seaice dynamic solver
853    o Added SEAICE_initialHEFF to pkg/seaice
854    
855    checkpoint50b_post
856    o store u*,v* in gU,V instead of in guNm1,gvNm1
857    o in order to put the momForcing out of the Adams-Bashforth:
858      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
859      to timestep.F
860    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
861    o re-generate output for highly sensitive test-exp:
862       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
863    
864    checkpoint50b_pre
865    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
866  o corrected CPP option mismatch in exf_Bulk... functions for case  o corrected CPP option mismatch in exf_Bulk... functions for case
867    #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP    #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
868    

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