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revision 1.163 by jmc, Thu Jun 12 21:25:24 2003 UTC revision 1.383 by jmc, Wed Nov 10 19:36:30 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint55j_post
7    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
8      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
9    o add consistent build directories and .cvsignore files to verification
10    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
11    o make all subroutines 30 or less characters in length for certain older
12      compilers to work (a thorough search only turns up two routines in
13      pkg/ptracers)
14    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
15      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
16    
17    checkpoint55i_post
18    o change arrays for total vertical diffusivity (2.D if explicit,
19      3.D if implicit) ; each ptracer uses its own background value.
20    o added mnc/NetCDF output capability to ocn_compon_interf
21      - added bits to verification/cpl_aim+ocn so that it can run on
22        ITRDA and other clusters without the mpirun "-wd" option
23    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
24      configuration
25    o give MNC the ability to create additional files rather than
26      exceeding a specified file size limit "MNC_MAX_FILESIZE"
27      - the default is just less than 2GB which is a practical limit
28        on many systems
29    o Compute the non-local term using either KPP vertical diffusivity (=default)
30       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
31    
32    checkpoint55h_post
33    o add verification test "vermix"
34    o remove all the *_ioinc flags and replace with the single global
35      outputTypesInclusive flag
36    o allow to set a vertical profile of vertical diffusivity for T & S
37    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
38    o useMNC moved from data.mnc to data.pkg
39    
40    checkpoint55g_post
41    o Renaming carbon AD experiments to comply with testreport conventions
42    o Updating adjoint of Held-Suarez hs94.1x64x5
43    o Fixing directives for non-ECCO forward_step, after ECCO directives
44      have been fixed to avoid recomp. of do_oceanic_phys
45      Works well for global_ocean.90x40x15,
46      but recomp. issue remains for carbon
47    o Updating adjoint output for natl_box_adjoint after
48      pkg/ecco has been modified (see taga c55d_post)
49    
50    checkpoint55f_post
51    o rename to timeave_init_fixed
52    
53    checkpoint55e_post
54    o some delicate re-shuffle of store directives to avoid one
55      extra call of do_oceanic_physics
56      affects ecco_the_main_loop.F, do_oceanic_physics.F
57      checkpoint_lev1_directives.h
58    o NB: this may break global_ocean adjoint temporarily,
59      but it is clear how to fix it. Will do later, need this now.
60    
61    checkpoint55d_post
62    o ECCO specific cost function terms (up-to-date with 1x1 runs)
63    o ecco_cost_weights is modified to 1x1 runs
64    o modifs to allow observations to be read in as
65      single file or yearly files
66    o enable to read exf forcing fields as either
67      single file or yearly files (flag useExfYearlyFields)
68    checkpoint55d_pre
69    
70    o switch between 2-level and 3-level checkpointing
71    o add ability of MNC to write local and "partial" (eg. 2D slices where
72      the full 3D field is never actually stored) arrays to NetCDF files
73      with the correct (that is, the complete multi-dimensional) set of
74      array indicies
75      - used in mom_vecinv() to write the diagFreq output
76      - tested (demonstrated) in verification/aim.5l_cs
77    o further mnc-ification
78      - add verification/lab_sea to the list with mnc setups
79      - fix undefined mnc v-names in cd_code
80      - add kpp to mnc output (both snapshot and timeave)
81    o non-hydrostatic code
82      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
83        in calc_gw.F
84      - defaults to viscAh
85      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
86        friction or Leith) in non-hydrostatic mode, as long as there is
87        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
88    o pkg/cost
89      extend simple cost functions to treat time mean quantities
90      (T,U,V) via cost_accumulate_state from cost_tile
91    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
92        be 2 times larger than the minimum size the advection scheme requires.
93        now get a perfect conservation of salt in advect_cs test-exp (updated)
94    o GGL90 (Gaspar's TKE mixed layer)
95      - add horizontal diffusion of TKE, requires exchanges in
96        do_fields_blocking_exchanges, horizontal diffusivity is zero by
97        default. In OPA there is no horizontal diffusion of TKE but the
98        mixing coefficients are computed from a horizontal average of TKE of
99        6 points or so. I think that diffusion has a little more physical
100        justification.
101      - clean up ggl90_calc in the hope of reducing memory usage (this hope
102        was in vain)
103      - mask tke-variable in ggl90_init
104    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
105    o fix biharmonic diffusion on CS-grid.
106    o more obcs stuff
107      - added obcs_external_fields_load as an alternative to the EXF-pkg option
108        for reading boundary values. This routine is called from
109        obcs_prescribe_read
110      - updated obcs_check
111      - changed sponge layer relaxation parameter units for days to seconds
112      - turned off sponge layer by default
113      - changed argument list of OBCS_CALC to myTime+deltaTclock
114      - fixed about 35 bugs in obcs_external_fields_load
115    
116    checkpoint55c_post
117    o obcs stuff
118      - new runtime flags useOBCSprescribe, useOBCSbalance
119      - re-arranged obcs_calc
120      - moved exf_getobcs to obcs_prescibe_read
121        obcs_prescibe_read is called after ORLANSKI stuff
122        and independent of it (executable can contain all).
123      - updated obcs_check
124      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
125        These may be necessary only if tangential velocities are
126        prescribed at OB, not sure, needs testing.
127    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
128      which simplifies the calls and passes the ifc check-bounds test
129    
130    checkpoint55b_post
131    o add a 2D scalar, Z location, exchange_2 routine.
132    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
133      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
134      affects advect_cs results (for the wrong reason): update output.txt
135    o use a more standard discretization for biharmonic viscosity ;
136     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
137      affects results of dome set-up: update output.txt
138    o fix gad_advection.F (CubedSphere part), back to version 1.23
139    o fix bug in mom_vi_del2uv.F (CubedSphere part).
140    
141    checkpoint55a_post
142    o merged code to
143      * prescribe/read time-dependent open boundaries
144        (works in conjunction with exf, cal)
145      * sponge layer code for open boundaries
146      * each boundary N/S/E/W now has its own CPP option
147        (healthy for the adjoint)
148    
149    checkpoint55
150    o up-to-date adjoint of previous breaks
151      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
152      - global_ocean_ebm: adjoint still needs fix (TLM ok)
153      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
154      - carbon: * remove tr1-related adjoint verification
155                * add ptracer as control variable
156    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
157      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
158    
159    checkpoint54f_post
160    o in verification/carbin/ remove experiment related to
161      ALLOW_PASSIVE_TRACER (array tr1 etc)
162      code_ad/ input_ad/ results_ad
163    
164    o add two new packages
165      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
166        + subject to optimization (memory)
167      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
168        + subject to reordering (many GOTOs in the original code)
169        + so far opps is called for every (i,j) point, and then operates in
170          the vertical; one may want to reorder the scheme in order operate in
171          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
172          fields)
173    o overhaul of IO so that we now have flags for MDSIO and/or MNC
174      - all verification tests compile and run with linux_ia32_g77
175      - defaults are compatible with current input files--nothing
176        should change if you were not previously using MNC
177      - MNC output has been added in numerous places (eg. timeave)
178        but there are still a few writes not yet do-able with MNC
179        (this is in progress)
180      - flags now allow for either/or/both use of MDSIO and MNC and
181        documentation will soon follow
182      - numerous small formatting cleanups for ProTeX
183    o add version info (via BUILD_INFO.h) to MNC and stdout
184    
185    checkpoint54e_post
186    o add two new packages
187      - pp81 (Packanowski and Philander, 1981), Richardson number and
188        stratification dependent mixing
189      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
190      - these scheme operate in a similar manner as KPP (without ghat, of
191        course), however there is only one diffusivity that is used for both
192        temperature and salinity (and passive tracers)ç
193    o add offline package
194    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
195      provided by Stephanie Dutkiewicz
196    o genmake2: add ability to search for C compilers and cleanup test output
197      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
198    
199    checkpoint54d_post
200    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
201    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
202      leading to additional shift by 5 days each year of integration
203       (i.e. leading to considerable offset over the years)
204    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
205    o start with no AB and no initial filtering (staggerTimeStep):
206      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
207    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
208      (external loading & cpl import/export stay in forward_step.F)
209    o update coupling interface to work with new staggerTimeStep
210    o change MDSIO ptracers_pickup.
211    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
212    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
213    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
214    
215    checkpoint54c_post
216    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
217      this affects (truncation error) output.txt of test-exp:
218       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
219    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
220    o change Qnet to always be the net heat flux, (+upward).
221      affects (truncation error) output of natl_box exp.: updated
222    o define the max number of passive tracers in PTRACERS_SIZE.h
223    o start to test mnc routinely in exp0
224    o add sea-ice loading (sIceLoad) as a new forcing field.
225    
226    checkpoint54b_post
227    o add testreport "-j JOBS" option for parallel builds (tested and pretty
228       impressive on Altix and Opteron systems)
229    o diagnostics can now write NetCDF files through the mnc package
230    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
231    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
232    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
233      affects (truncation error) output of lab_sea & natl_box exp.: updated
234    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
235    
236    checkpoint54a_post
237    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
238    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
239    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
240    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
241      + internal_wave (shift in writing cg2d_ini_res)
242    checkpoint54a_pre
243    
244    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
245      - modified verification/lab_sea and natl_box_adjoint accordingly
246    
247    checkpoint54
248    checkpoint53g_post
249    o prepare splitting of thermodynamics: store convect.counter in common block
250    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
251      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
252    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
253    o new parameter "nShapS": allow to treat differently S from T (nShapT)
254    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
255    o restore adjointability
256    
257    checkpoint53f_post
258    o modifications that affect AIM experiment results (update output.txt):
259      - no advection of S at top interface Nr (pkg/generic_advdiff)
260      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
261    o AIM pkg:
262      - include stability function into surf.Flux derivative relative to Tsurf
263      - calculate clear-sky radiation & surface temp. change (for diagnostics)
264    
265    checkpoint53e_post
266    o merged cylindrical coord configuration
267    o added rotating_tank experiment
268    checkpoint53e_pre
269    
270    checkpoint53d_post
271    o faulks upgraded: re-generate output.txt that have changed:
272       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
273    o Added Bryan and Lewis, 1979, vertical diffusivity profile
274    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
275    o added Sadourny discretization of Coriolis
276      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
277      - re-enabled use of omega3 (useAbsVorticity)
278    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
279      vector-invariant equations
280      - note: does *NOT* yet use same variable visc. for no-slip BC's.
281    o recoded the lateral boundary conditions for non-hydrostatic w, this time
282      hopefully without new bugs
283      - still to do: biharmonic friction for non-hydrostatic w
284    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
285    o regenerated output for global_ocean_ebm (using -ieee)
286    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
287      of mom_common/
288      - simple re-arrangement of instructions within computing loop
289    checkpoint53d_pre
290    
291    checkpoint53c_post
292    o new version of coupler for AIM+thSIce and Ocean models
293     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
294     - land: change Evaporation of snow
295     - aim with thSIce: fix bug in snow-precip.
296    o changes to calc_gw.F
297     - bug fix for w^2 term near the bottom boundary
298     - (hopefully) improve the lateral slip boundary condtions for use with
299        partial/looped cells
300      - because the bug fix changes two verification experiments anyway (exp5
301        and plume on slope), change the lateral boundary condition from half slip
302        to the value of no_slip_sides
303    o ebm package wasnt quite up to the parallel task. Fixed that.
304    o Adjoint of EBM package + verification
305      * TLM OK
306      * ADM not sufficient accuracy yet (needs further testing)
307    
308    checkpoint53b_post
309    o Commiting new energy balance model to repository
310      * package is pkg/ebm
311      * verif. is verification/global_ocean_ebm
312      * references are in ebm_driver.F
313    C      * X. Wang, P. Stone and J. Marotzke, 1999:
314    C        Global thermohaline circulation. Part I:
315    C        Sensitivity to atmospheric moisture transport.
316    C        J. Climate 12(1), 71-82
317    C      * X. Wang, P. Stone and J. Marotzke, 1999:
318    C        Global thermohaline circulation. Part II:
319    C        Sensitivity with interactive transport.
320    C        J. Climate 12(1), 83-91
321    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
322    C        Destabilization of the thermohaline circulation
323    C        by atmospheric eddy transports.
324    C        J. Climate 7(12), 1870-1882
325    o Will need long integration testing.
326    checkpoint53b_pre
327    
328    o created pkg/mom_common in preparation for variable viscosity code
329    o renamed and split ini_mnc_io
330    o pkg/land: only liquid water can diffuse or run-off
331    o AIM using land: soil wetness availability account for snow
332    o added printMapIncludesZeros to EEPARMS namelist
333    
334    checkpoint53a_post
335    o restore TAMC compatiility for exf_constants.h
336      (no usage of _d in .h)
337    o Additional storing in KPP in an attempt to fix
338      TAMC problem with adjoint of KPP code.
339      (no success...)
340      Identical code works fine with TAF.
341    o Fixed verification/natl_box_adjoint experiments.
342      Initial conditions for Experiments 4 and 5 are now
343      set to "SEAICE_initialHEFF=0", which is more reasonable,
344      and hence gives results closer to that of Experiment 2.
345      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
346    
347    checkpoint53
348    o stable checkpoint with up to date adjoint
349      TLM tests only run for 1st grdchk at the moment. Its unclear if
350      this is a code problem or a problem with resetting code for g_
351      variables that is being autogenerated wrong.
352      Otherwise:
353       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
354       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
355         are both still in chaos following their security messes.
356    
357    checkpoint52n_post
358    o various build (mostly genmake2) changes including:
359      - ability to build/run more easily within Cygwin and MacOS X
360      - more complicated Makefiles with a stronger dependence on Gnu Make
361    o pkg/seaice modifications
362      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
363        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
364        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
365      - changed proxy for geostrophic velocity and updated
366        verification/lab_sea/results/* accordingly
367      - removed ADI dynamic solver from pkg/seaice
368      - replaced all occurrences of 1/CSTICE or 1/CSUICE
369        they caused a segmentation fault under certain circumstances
370      - removed unused field WATR
371    o bug fix in exf-package:
372      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
373         now reflect that.
374    o small fixes in the cal-package:
375      - set reference date to first of January for the 'model'-calendar
376      - failing of cal_CheckDate in cal_FullDate now actually results in a
377        warning
378    o small modifications in exf-package to increase flexibility:
379      - change climtempfreeze from a constant to a runtime parameter that
380        is specified in data.exf_clim (default = -1.9)
381      - introduce runtime parameter windstressmax (default = 2.0) that is
382        specified in data.exf
383    o fix in pkg/thsice:
384      - update Evap (Tsf changes) to be consistent with Latent heat flux
385      - maintain snow precipitation unchanged (even if Tsf >=0).
386     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
387    
388    checkpoint52m_post
389    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
390      this does not change any of the results, because myIter=0 in swfrac always
391      lead to jwtype=2 (the default anyway), but the call makes little sense
392      as a default
393    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
394    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
395      atmospheric model (AIM) to use it ; add a "slab ocean" component.
396    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
397    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
398    o extending useSingleCpuIO option to work with new exch2 I/O format
399      - old-style, missing-tile I/O is still accessible by defining CPP
400        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
401    o monitor package can write to NetCDF files and/or STDOUT
402    o fix re-definition bug in MNC_GRID_INIT_ALL()
403    o doc/api_reference added
404      - a framework for building an API Reference Manual using all
405        the "protex" comments embedded in the code
406      - see pkg/generic_advdiff, pkg/mnc for examples
407    o MNC:
408      - make myThid the last argument for all subroutines
409      - new default for the grid files: NO halos
410      - add useMNC and other run-time flags
411      - separate per-file-group handling of the unlimited dimension
412      - early initialization of MNC w/ flags read at the eeboot stage
413        and lookup tables set in initialize_fixed
414      - write all MNC output to a freshly-created directory
415    o thermodynamics sea-ice (thsice) is now tested with testreport.
416    o test exp. advect_cs: use the standard cs32 grid ; update output.
417    o Added functionality to grdchk:
418      pick global i,j,k position (or nearest wet) where to perform check.
419    
420    checkpoint52l_post
421    o new land formulation:
422      a) use ground enthalpy as prognostic variable to ensure exact
423         energy conservation.
424      b) account for water temperature and for latent heat of freezing
425         in all processes (rain, run-off, ground storage)
426      c) compute surface and ground temperature implicitly.
427    o aim_v23 modification for new land model:
428      a) Treat separately land / ocean / sea-ice surface fluxes
429         to allow implicit computation of land & sea-ice surface temp.
430      b) add snow precipitation.
431    checkpoint52l_pre
432    
433    o fix problem (when 1 tile is empty) in min/max monitor.
434    o fix bug in timeAve (u,vZetatave in common block)
435    o no restoring terms under ice for pkg/seaice
436    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
437    o bug fix for pkg/seaice pickups
438    o change MNC call locations and add coordinate attributes
439    o mask vorticity at the corner ; affects global_ocean.cs output
440    o fix ini_curvilinear_grid ; test CS experiments with mpi
441    o aim.5l_cs: modify sea-ice fraction input file ; update output
442    o exf: Adding simple range check routine for exf fields after read
443    
444    checkpoint52k_post
445    o removed top-level directory "diags"
446      - we migrated these functions to pkg/timeave a long time ago
447    o fixed bug introduced in pkg/monitor
448    o accuracy ctrlprec = 32 insuffient for gradient checks using
449      averaged fields (I/O via cost_averages)
450      -> use ctrl.h in active_file*.F to control I/O precision.
451    o paramter list of CALL ADTHE_MAIN_LOOP
452    o added initial do_the_model_io to ecco
453    o set all ...Freq to zero after cost_final
454      taveFreq, dumpFreq, pChkptFreq
455    o MAIN and ECCO differentiability restored
456    
457    checkpoint52j_post
458    o fix nchklev in tamc.h for global_ocean...
459    o Bringing flow and store directives up-to-date
460    o Really weird thing!
461      call do_the_model_io from the_main_loop with parameters
462      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
463      TAF places a faulty re-call of initialise_varia
464      after cost_final call which should not be there!
465    checkpoint52j_pre
466    
467    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
468      error messages
469    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
470    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
471      debug output
472    o modfied mdsio_writefield.F to handle non-global files under exch2
473    o update AIM Cubed-Sphere exp (aim.5l_cs):
474      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
475    o update AIM Equatorial Channel exp:
476      use standard aim_v23 pkg and change the SST fields to be more realistic.
477    o globalFile now works with exch2
478    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
479      mon_vort3.F to make exch2 friendly with >1 tile per cube face
480    o limit timeave output for hi-res integrations
481    
482    checkpoint52i_post
483    o removed CPP_EEOPTIONS.h from verification/*/code
484    o updated the tiling for global_ocean_pressure
485    checkpoint52i_pre
486    
487    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
488      the old pkg/aim).
489    
490    checkpoint52h_pre
491    o shortened offending lines in exch2_send_rx?.template
492    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
493    o genmake2: add build & execute test for NetCDF code
494    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
495      old grid files, moved CPP_EEMACROS.h to pkg/exch2
496    o added useSingleCPUIO flag to monitor.F and mon_out.F
497    o added temporary hack for sea-ice dynamics on the cube:
498      metric terms are ignored and it is assumed that
499      there is no sea-ice on cube faces 1, 2, 4, and 5.
500    
501    checkpoint52f_post
502    o added exch2 cube routines to pkg/exch2
503    o modified hs94.cs-32x32x5 to use it
504    o added new grid files to hs94.cs-32x32x5
505    checkpoint52f_pre
506    
507    checkpoint52e_post
508    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
509      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
510    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
511      to work with implicit vertical advection and AB ;
512    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
513    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
514     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
515    checkpoint52e_pre
516    
517    o fix bug in impldiff when Nr=1 or Nr=2.
518    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
519    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
520    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
521      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
522    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
523    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
524    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
525    
526    checkpoint52d_post
527    o re-tiled many expts to allow comparison in multi-processor mode
528      - updated output accordingly
529      - changed hs94.128x64x5 to use intial T from file rather than use the
530        random number generator
531    o add infrastructure in model routines for fizhi and gridalt packages
532    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
533    o changes to permit hi-res, cubed-sphere, configuration
534      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
535      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
536      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
537        of surface winds for the cube
538      (A verification experiment, based on global_ocean.cs32x15, but with
539       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
540       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
541       complete with example surface forcing files and matlab scripts to look
542       at the output and compare it with that of global_ocean.cs32x15.)
543    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
544       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
545       to conform to the common rule.
546    o check-in the first version of the coupler + interfaces for multi-components
547       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
548       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
549       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
550       - ocean and atmos. share the same horizontal grid (no interpolation).
551       - exchanges between component and coupler is done in forward_step
552    o new verification experiment, cpl_aim+ocn:
553       coupled ocean - AIM atmosphere on cs32 grid.
554    
555    checkpoint52d_pre
556    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
557    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
558    
559    checkpoint52c_post
560    o Fixing OPTIONS files for use of exf:
561      - ALLOW_ECCO not needed
562      - ECCO_CPPOPTIONS.h should not be included from
563        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
564        as has been the case in the past
565      - All cal/exf related options are currently set in
566        single header file. Should remain so until we
567        agree on a consistent new policy.
568    o Removed all CPP options for cal package.
569      cal has no more CPP options.
570    o modified STOREs in GAD_ADVECTION
571    o corrected key comp. for passkey
572    
573    checkpoint52b_post
574    o new version: "thsice" of thermodynamic sea-ice pkg:
575     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
576     - modify fluxes but do not change theta directly;
577     - light cleaning of bulk_force pkg (still needed with thsice).
578     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
579       + output_thsice.txt to test thsice & bulk_force pkgs.
580    o put back grid & coriolis monitor output.
581    checkpoint52b_pre
582    
583    o call "do_the_model_io" at the beginning (=> dump initial state)
584    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
585    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
586      (need info on NUMBER_OF_PTRACERS)
587    o missing PTRACERS headers in some routines
588    o default tamc.h in pkg/autodiff supposed to crash
589      to ensure proper customization
590    
591    checkpoint52a_post
592    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
593      - moved surfaceTendencyTice from pkg/seaice to main code
594      - subroutine FREEZE_SURFACE now limits only surface temperature
595        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
596        => new output.txt for global_ocean.cs32x15 & global_with_exf
597      - keep the old version of FREEZE for backward compatibility;
598        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
599      - corresponding modifs for TAF directives
600    o added surface flux output variables to TIMEAVE_STATVARS
601    o time-averaged output for pkg/ptracers
602    o fix problem with ECCO-related divided adjoint
603      snapshot file was missing some ad-variables,
604      but no warning issued by TAF
605    
606    checkpoint52a_pre
607    o some bug fixes for #undef REAL4_IS_SLOW
608    
609    checkpoint52 = ecco_c52_e35
610    o after testing adjoints of checkpoint51u_post
611    
612    checkpoint51u_post
613    o this is the post-merge tag of the ecco-branch
614      (needs another clean checkout and re-testing)
615    o various natl_box_adjoint configs and results
616      but no input fields
617    o obcs adjoint not yet merged!
618    o adding ECCO global 1x1 and 2x2 degree configs
619    o updated/extended some store directives for seaice
620    o pkg/ecco now containes ecco-specific part of cost function
621    o top level routines the_main_loop, forward_step
622      supersede those in model/src/
623      previous input data.cost now in data.ecco
624      (new namelist ecco_cost_nml)
625    o in ctrl/ cleaned some cross-dependencies and updated CPP options
626    
627    checkpoint51t_post
628    o this is the pre-merge tag of the ecco-branch
629    
630    checkpoint51s_post
631    o cleanup: removed various obsolete #define-s
632    o pkg/grdchk
633      - renamed 'ph-grd 3' to 'grad-res'
634      - merged from ecco-branch
635        (remaining bug fixes for obcs gradient checks)
636      - additional high-precision output for testreport
637        (grep for 'precision_grdchk_result')
638    
639    checkpoint51r_post
640    o cleaned up or removed CPP_OPTIONS.h files
641    o updated results for some of the tests to reflect the new
642      optfiles (-ieee: -O0 instead of -O3)
643    
644    checkpoint51q_post
645    o cd_code:
646      - moved cd_scheme.F -> cd_code_scheme.F
647      - separate read_checkpoint from cd_code_ini_vars.F
648      - separated cd_code part from write_checkpoint
649      - updated AD_SOURCE, generated .flow
650      - added CD_CODE_VARS.h to the_main_loop
651      - Moving cd_code specific store dir.s to pkg/cd_code
652    o ctrl package totally restructured
653      - pack/unpack now optional and decoupled from
654        xx_/adxx_ I/O
655      - ctrl_pack/unpack cleaned
656        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
657      - confined inclusion of AD_CONFIG.h to where necessary.
658    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
659    
660    checkpoint51p_post
661    o create initial cd_code package
662      - WARNING: the initialization of fields within packages
663        is broken because INI_FIELDS (where READ_CHECKPOINT is
664        called) is called *before* PACKAGES_INIT_VARIABLES.
665        This seems to be backwards since
666        1) its important to initially zero the entire field including
667           the "halo" region
668        2) zeroing needs to be done *before* reading pickup info
669           and the pickup call might or might not happen in any
670           particular run
671      - this needs an overhaul for R2
672    o cleanup verification/*/code/GMREDI_OPTIONS.h
673    o cleanup testreport
674    
675    checkpoint51o_post
676    o bringing AD-related verif's up to date with genmake2
677      - carbon/
678      - global_ocean.90x40x15/
679      - hs.94.1x64x5/
680      - (front_relax/ )
681    o (more) consistent directory structure for AD-related verif.'s
682    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
683    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
684    o bug fix in find_alpha.F for MDJWF:
685      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
686        change rho -> rho-rhoConst
687      - replace call find_rho to find_rhonum
688    o initialisation of rFlx extended to full array (required by TAF)
689      and shifted to thermodynamics
690    o removed PTRACERS.h in ptracers routine
691    o added surfacetendencyPtr to S/R parameter list pracers_forcing
692    o Correcting initialisations for fVerU, fVerV.
693    o helping TAF to recognize dependency on kUp for
694      fVerU, fVerV
695    o Replacing delZ by delR in pkg/ctrl/
696    checkpoint51o_pre
697    
698    o undid all of cp51 pending some cleanups and discussion
699    o added the [#include "AD_CONFIG.h"] statement to all files that need
700       it for adjoint/tl #defines
701     o re-worked the build logic in genmake2 to support AD_CONFIG.h
702     o removed tools/genmake since it no longer works
703    
704    checkpoint51n_post
705    o modifications to make FREEZE flux visible to pkg/kpp
706      - moved surfaceTendencyTice from pkg/seaice to main code
707      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
708      - subroutine FREEZE now limits only surface temperature
709        (this means new output.txt for global_ocean.90x40x15,
710         global_ocean.cs32x15, and global_with_exf)
711    o added surface flux output variables to TIMEAVE_STATVARS
712    
713    checkpoint51n_pre
714    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
715    o added [#include "AD_CONFIG.h"] to all files that use the following
716      defines:
717      - ALLOW_ADJOINT_RUN
718      - ALLOW_TANGENTLINEAR_RUN
719      - ALLOW_ECCO_OPTIMIZATION
720    
721    checkpoint51m_post
722    o incorporating changes to get TAMC/TAF working in genmake2
723      - added new TAMC/TAF targets to the Makefile
724      - various cleanups related to package handling
725      - these changes should have no impact on the forward model
726    
727    checkpoint51l_post
728    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
729     - faster algorithm for cal_addtime.F
730     - higher precision arithmetic, where needed
731     - pkg/exf *startdate variables changed from calendar date to
732       model integration time
733    
734    checkpoint51l_pre
735    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
736    o enable to apply restoring on S & T only in a latitude band.
737    o update output (external_forcing_surf modif. change truncation errors)
738       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
739    
740    checkpoint51k_post
741    o change default to: useNHMTerms=.FALSE.
742     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
743       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
744     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
745        exp1, ideal_2D_oce
746     - change data file of oceanic exp (leave the results unchanged for now)
747       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
748    o set gravitySign automatically according to the vertical coordinate used
749      (and change sign: back to "logical" value: +1 when R increases downward)
750    o added an include barrier to the default CPP_OPTIONS.h and
751      removed the #include "PACKAGES_CONFIG.h" from it
752    o fix a bug in mom_fluxform (from chk51j_post)
753    
754    checkpoint51j_post
755    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
756    o adjusted some flow directives (dynamics, thermodynamics)
757    o added cubed-sphere case to test cost function
758    o heckpoint_lev?_directives.h now include
759      pkg-specific directives, whenever those are enabled.
760    o Moving pkg-specific flow directives to corresponding pkg
761      Moving pkg-specific differentiation list to corresponding pkg
762      Moving pkg-specific checkpoint-lev storing to corresponding pkg
763      ---> conventions are
764           - pkg_ad.flow
765           - pkg_ad_diff.list
766           - pkg_ad_check_lev?_dir.h
767    
768    checkpoint51i_post
769    o merge of the branch-genmake2
770      - knowingly breaks the older genmake
771      - automatic generation of all ALLOW_${PKG_NAME} defines
772      - new testreport supersedes older testscript
773    o large number of package inclusion and header cleanups
774    checkpoint51i_pre
775    
776    o new output for adjoin of global ocean vector invariant
777    o fix for checkpoint of thermodynamic seaice and bulk_force
778    o Steph gchem various cleanups
779    
780    checkpoint 51h_pre
781    o fixed some single quotes
782    o modify gchem pkg to be more versatile
783    o modifications to clean up dic pkg
784    o add pkg/cfc
785    
786    checkpoint51g_post
787    o provide links for ARPACK and ADM*TLM
788    o start removing verification/vero/
789    o update AD-related stuff
790      (in particular some IF-statements in model/src/ routines)
791    o adding to verification/global_ocean.90x40x15/ adjoint of
792      vector invariant setup
793    
794    checkpoint51f_post
795    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
796    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
797      of tracer Green's fucntions for ocean inversion project.
798    
799    checkpoint51f_pre
800    o Added on-the-fly spatial interpolation capability
801        "USE_EXF_INTERPOLATION" to pkg/exf.
802      - This is a temporary Cartesian-grid hack until
803        the super-duper ESMF coupler becomes available.
804      - See verification/global_with_exf/README for usage example.
805      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
806        flags and modified pkg/seaice accordingly.
807    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
808        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
809        non-local transport term.
810    
811    checkpoint51e_post
812    o pkg/mom_vecinv:
813      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
814      - add time-ave diagnostic of vorticity advection.
815    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
816    o atmospheric geopotential: - include water vapor effect;
817                                - use p^kappa in p* scaling.
818    o land pkg: read initial state from files.
819    o AIM : add stratospheric drag in the upper level
820    
821    checkpoint51d_post
822    o change function ILNBLNK (=> last non-blank char.) to return zero
823      (instead of the string length) when the string. char is empty
824    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
825    o modif's to restore TAMC compatibility
826      - avoid "_d" constructs in PARAMETER declarations
827      - avoid interrupting lines by comment lines
828    o Use cluster local disks for purely local I/O
829      vs. globally visible disks needed for ctrl stuff
830      (merged from ecco-branch)
831      - new active_file_loc... and mdsio_..._loc routines
832      - affected packages: autodiff, ctrl, grdchk, mdsio
833    
834    checkpoint51c_post
835    o introducing integer flag debugLevel
836      - debLevZero: suppress all output
837      - debLevA: standard
838      - debLevB: equivalent to current debugMode=.TRUE.
839    o introducing pathname variable mdsioLocalDir for mdsio
840      that can be specified at runtime
841      (relevant for cluster I/O to local disk)
842    `
843    >>>checkpoint51b_post
844    adjoint of ptracers
845    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
846    o extended state in checkpoint_lev?, etc.
847    o alternative ctrl/cost with tr1 or ptracer
848    o new comlev1_bibj_ptracers
849    o new ptracers.flow
850    o made ptracers_forcing same as external_forcing_s
851    o added verification for adjoint with ptracers
852      - adm. grdchk fail so far
853      - tlm. grdchk OK
854      - checked tapelev/comlev recomputations: OK
855    <<<checkpoint51b_pre
856    
857    checkpoint51a_post
858    o added code for biogeochemistry package
859      - new pkgs: dic, gchem
860      - new subroutine in ptracers
861    o modify code for biogeo packages
862      - in model/src and pkg/ptracers
863    
864    checkpoint51
865    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
866      - autodiff, ctrl, exf, grdchk, seaice
867      kept separate packages
868      - cost, ecco, obcs
869    o updating verification/internal_wave, verification/lab_sea
870      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
871    
872    checkpoint50i_post
873    o Preparing next differentiable checkpoint and sync
874      of MAIN vs. ecco-branch
875      - 1st step: this one is differentiable
876      - 2nd step: next(! not this) checkpoint will have updated packages
877                  from ecco-branch)
878    
879    checkpoint50h_post
880  o new package "land": provide surface BC for AIM.  o new package "land": provide surface BC for AIM.
881  o pkg/ptracers: apply exchange to all tracers after reading a pickup.  o pkg/ptracers: apply exchange to all tracers after reading a pickup.
882  o AIM: use true log-P extrapolation for near surface temp (= as in  o AIM: use true log-P extrapolation for near surface temp (= as in
883      F.Molteni paper) ; update aim.5l_cs output.      F.Molteni paper) ; update aim.5l_cs output.
884  o New variable in PARM03 for more flexible pickups  o New variable in PARM03 for more flexible pickups
885    o somewhat cleaned package initialisation sequence for
886      ctrl/ cost/ ecco/ in packages_... routines
887    
888  checkpoint50g_post  checkpoint50g_post
889  o merged with release1_p17 (pkg/seaice and verification/lab_sea)  o merged with release1_p17 (pkg/seaice and verification/lab_sea)

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