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revision 1.167 by heimbach, Tue Jun 24 18:27:09 2003 UTC revision 1.395 by mlosch, Mon Nov 29 20:30:52 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 testreport previously did a lousy job of comparing small numbers, so
7      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
8      implemented in the little c-progam tmp_cmpnum.c which is embedded in
9      testreport.
10    o ptracers_monitor: bug fix for MPI
11    
12    checkpoint56a_post
13    o GCHEM: finish reorganizating the package
14      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
15        (introduces another 3D-array for each passive tracer, but only if
16        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
17        gchemTendency is not needed because the timestep is done separately)
18      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
19      - GCHEM is now---more or less cleanly---separate from PTRACERS
20      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
21        so clear to me how that should be done in a general way.
22    o CFC: improve formatting of output in CFC_ATMOS
23    o PTRACERS:
24      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
25        that ALL experiments with ptracers enable can be checked. This makes
26        GCHEM_MONITOR obsolete.
27      - include a runtime parameter PTRACERS_monitorFreq that defaults to
28        monitorFreq
29      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
30    o add PTRACERS (PTR0[1-5]) to testreport output
31    o exf_check_range:
32      * default changed to .TRUE.
33      * will check values for niter0 if debLevA, every timestep if debLevB
34      * STOP in exf_check_range if 'out of range'
35      * range chosen generous to allow for potential extema
36      TBD: a version with stricter range
37           permitted range would be runtime parameters
38    o GMredi:
39      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
40      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
41      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
42    o GCHEM:
43      - move call to GCHEM_FORCING_SEP, so that it is now called before
44        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
45      - introduced a useGCHEM runtime flag and applied it everywhere.
46      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
47        this flag is now only visible within GCHEM-pkg routines.
48      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
49        be replaced by a 3D array that is computed before thermodynamics; for
50        this, the tracer ID iTracer had to be included into the parameter list
51        of ptracers_forcing
52      - set up forward_step to call gchem_forcing, that will replace
53        gchem_forcing_int in ptracers_forcing
54      - cleaning up
55    o small cleaning of exch2: remove files that are also in eesupp/src
56    
57    checkpoint56
58    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
59    o mnc: cleanup "full" files--fixes out-of-memory problem
60    o ECCO-GODAE
61      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
62      * fully merged and updated from SIO code
63        windstress sign change affects
64        - exf_inscal_[u/v]stress
65        - sign of xx_tau[u/v] adjustments
66        - signs in cost_scat
67      * ctrl_get_gen: avoid update of tau[u/v] for first few days
68      * natl_box_adjoint updated and compressed
69      * 2-level checkpoint switch added
70        (tested in EXP. 1 of natl_box_adjoint)
71      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
72    o SVD
73      * first complete, non-hacked version for SVD calculations
74      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
75        performed via direct access files admtlm_vector.it????
76        (via ctrl_[un]pack)
77      * optimcycle is used for ARPACK iteration counter
78        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
79      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
80        and add linear transforms where necessary
81      * controls are initial/final SST, SSS (can be extended; need to check
82        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
83    o mdsio: filename info to both stderr, stdout
84    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
85      from sign change
86    
87    checkpoint55j_post
88    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
89      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
90    o add consistent build directories and .cvsignore files to verification
91    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
92    o make all subroutines 30 or less characters in length for certain older
93      compilers to work (a thorough search only turns up two routines in
94      pkg/ptracers)
95    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
96      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
97    
98    checkpoint55i_post
99    o change arrays for total vertical diffusivity (2.D if explicit,
100      3.D if implicit) ; each ptracer uses its own background value.
101    o added mnc/NetCDF output capability to ocn_compon_interf
102      - added bits to verification/cpl_aim+ocn so that it can run on
103        ITRDA and other clusters without the mpirun "-wd" option
104    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
105      configuration
106    o give MNC the ability to create additional files rather than
107      exceeding a specified file size limit "MNC_MAX_FILESIZE"
108      - the default is just less than 2GB which is a practical limit
109        on many systems
110    o Compute the non-local term using either KPP vertical diffusivity (=default)
111       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
112    
113    checkpoint55h_post
114    o add verification test "vermix"
115    o remove all the *_ioinc flags and replace with the single global
116      outputTypesInclusive flag
117    o allow to set a vertical profile of vertical diffusivity for T & S
118    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
119    o useMNC moved from data.mnc to data.pkg
120    
121    checkpoint55g_post
122    o Renaming carbon AD experiments to comply with testreport conventions
123    o Updating adjoint of Held-Suarez hs94.1x64x5
124    o Fixing directives for non-ECCO forward_step, after ECCO directives
125      have been fixed to avoid recomp. of do_oceanic_phys
126      Works well for global_ocean.90x40x15,
127      but recomp. issue remains for carbon
128    o Updating adjoint output for natl_box_adjoint after
129      pkg/ecco has been modified (see taga c55d_post)
130    
131    checkpoint55f_post
132    o rename to timeave_init_fixed
133    
134    checkpoint55e_post
135    o some delicate re-shuffle of store directives to avoid one
136      extra call of do_oceanic_physics
137      affects ecco_the_main_loop.F, do_oceanic_physics.F
138      checkpoint_lev1_directives.h
139    o NB: this may break global_ocean adjoint temporarily,
140      but it is clear how to fix it. Will do later, need this now.
141    
142    checkpoint55d_post
143    o ECCO specific cost function terms (up-to-date with 1x1 runs)
144    o ecco_cost_weights is modified to 1x1 runs
145    o modifs to allow observations to be read in as
146      single file or yearly files
147    o enable to read exf forcing fields as either
148      single file or yearly files (flag useExfYearlyFields)
149    checkpoint55d_pre
150    
151    o switch between 2-level and 3-level checkpointing
152    o add ability of MNC to write local and "partial" (eg. 2D slices where
153      the full 3D field is never actually stored) arrays to NetCDF files
154      with the correct (that is, the complete multi-dimensional) set of
155      array indicies
156      - used in mom_vecinv() to write the diagFreq output
157      - tested (demonstrated) in verification/aim.5l_cs
158    o further mnc-ification
159      - add verification/lab_sea to the list with mnc setups
160      - fix undefined mnc v-names in cd_code
161      - add kpp to mnc output (both snapshot and timeave)
162    o non-hydrostatic code
163      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
164        in calc_gw.F
165      - defaults to viscAh
166      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
167        friction or Leith) in non-hydrostatic mode, as long as there is
168        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
169    o pkg/cost
170      extend simple cost functions to treat time mean quantities
171      (T,U,V) via cost_accumulate_state from cost_tile
172    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
173        be 2 times larger than the minimum size the advection scheme requires.
174        now get a perfect conservation of salt in advect_cs test-exp (updated)
175    o GGL90 (Gaspar's TKE mixed layer)
176      - add horizontal diffusion of TKE, requires exchanges in
177        do_fields_blocking_exchanges, horizontal diffusivity is zero by
178        default. In OPA there is no horizontal diffusion of TKE but the
179        mixing coefficients are computed from a horizontal average of TKE of
180        6 points or so. I think that diffusion has a little more physical
181        justification.
182      - clean up ggl90_calc in the hope of reducing memory usage (this hope
183        was in vain)
184      - mask tke-variable in ggl90_init
185    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
186    o fix biharmonic diffusion on CS-grid.
187    o more obcs stuff
188      - added obcs_external_fields_load as an alternative to the EXF-pkg option
189        for reading boundary values. This routine is called from
190        obcs_prescribe_read
191      - updated obcs_check
192      - changed sponge layer relaxation parameter units for days to seconds
193      - turned off sponge layer by default
194      - changed argument list of OBCS_CALC to myTime+deltaTclock
195      - fixed about 35 bugs in obcs_external_fields_load
196    
197    checkpoint55c_post
198    o obcs stuff
199      - new runtime flags useOBCSprescribe, useOBCSbalance
200      - re-arranged obcs_calc
201      - moved exf_getobcs to obcs_prescibe_read
202        obcs_prescibe_read is called after ORLANSKI stuff
203        and independent of it (executable can contain all).
204      - updated obcs_check
205      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
206        These may be necessary only if tangential velocities are
207        prescribed at OB, not sure, needs testing.
208    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
209      which simplifies the calls and passes the ifc check-bounds test
210    
211    checkpoint55b_post
212    o add a 2D scalar, Z location, exchange_2 routine.
213    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
214      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
215      affects advect_cs results (for the wrong reason): update output.txt
216    o use a more standard discretization for biharmonic viscosity ;
217     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
218      affects results of dome set-up: update output.txt
219    o fix gad_advection.F (CubedSphere part), back to version 1.23
220    o fix bug in mom_vi_del2uv.F (CubedSphere part).
221    
222    checkpoint55a_post
223    o merged code to
224      * prescribe/read time-dependent open boundaries
225        (works in conjunction with exf, cal)
226      * sponge layer code for open boundaries
227      * each boundary N/S/E/W now has its own CPP option
228        (healthy for the adjoint)
229    
230    checkpoint55
231    o up-to-date adjoint of previous breaks
232      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
233      - global_ocean_ebm: adjoint still needs fix (TLM ok)
234      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
235      - carbon: * remove tr1-related adjoint verification
236                * add ptracer as control variable
237    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
238      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
239    
240    checkpoint54f_post
241    o in verification/carbin/ remove experiment related to
242      ALLOW_PASSIVE_TRACER (array tr1 etc)
243      code_ad/ input_ad/ results_ad
244    
245    o add two new packages
246      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
247        + subject to optimization (memory)
248      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
249        + subject to reordering (many GOTOs in the original code)
250        + so far opps is called for every (i,j) point, and then operates in
251          the vertical; one may want to reorder the scheme in order operate in
252          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
253          fields)
254    o overhaul of IO so that we now have flags for MDSIO and/or MNC
255      - all verification tests compile and run with linux_ia32_g77
256      - defaults are compatible with current input files--nothing
257        should change if you were not previously using MNC
258      - MNC output has been added in numerous places (eg. timeave)
259        but there are still a few writes not yet do-able with MNC
260        (this is in progress)
261      - flags now allow for either/or/both use of MDSIO and MNC and
262        documentation will soon follow
263      - numerous small formatting cleanups for ProTeX
264    o add version info (via BUILD_INFO.h) to MNC and stdout
265    
266    checkpoint54e_post
267    o add two new packages
268      - pp81 (Packanowski and Philander, 1981), Richardson number and
269        stratification dependent mixing
270      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
271      - these scheme operate in a similar manner as KPP (without ghat, of
272        course), however there is only one diffusivity that is used for both
273        temperature and salinity (and passive tracers)ç
274    o add offline package
275    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
276      provided by Stephanie Dutkiewicz
277    o genmake2: add ability to search for C compilers and cleanup test output
278      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
279    
280    checkpoint54d_post
281    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
282    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
283      leading to additional shift by 5 days each year of integration
284       (i.e. leading to considerable offset over the years)
285    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
286    o start with no AB and no initial filtering (staggerTimeStep):
287      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
288    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
289      (external loading & cpl import/export stay in forward_step.F)
290    o update coupling interface to work with new staggerTimeStep
291    o change MDSIO ptracers_pickup.
292    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
293    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
294    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
295    
296    checkpoint54c_post
297    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
298      this affects (truncation error) output.txt of test-exp:
299       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
300    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
301    o change Qnet to always be the net heat flux, (+upward).
302      affects (truncation error) output of natl_box exp.: updated
303    o define the max number of passive tracers in PTRACERS_SIZE.h
304    o start to test mnc routinely in exp0
305    o add sea-ice loading (sIceLoad) as a new forcing field.
306    
307    checkpoint54b_post
308    o add testreport "-j JOBS" option for parallel builds (tested and pretty
309       impressive on Altix and Opteron systems)
310    o diagnostics can now write NetCDF files through the mnc package
311    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
312    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
313    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
314      affects (truncation error) output of lab_sea & natl_box exp.: updated
315    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
316    
317    checkpoint54a_post
318    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
319    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
320    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
321    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
322      + internal_wave (shift in writing cg2d_ini_res)
323    checkpoint54a_pre
324    
325    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
326      - modified verification/lab_sea and natl_box_adjoint accordingly
327    
328    checkpoint54
329    checkpoint53g_post
330    o prepare splitting of thermodynamics: store convect.counter in common block
331    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
332      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
333    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
334    o new parameter "nShapS": allow to treat differently S from T (nShapT)
335    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
336    o restore adjointability
337    
338    checkpoint53f_post
339    o modifications that affect AIM experiment results (update output.txt):
340      - no advection of S at top interface Nr (pkg/generic_advdiff)
341      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
342    o AIM pkg:
343      - include stability function into surf.Flux derivative relative to Tsurf
344      - calculate clear-sky radiation & surface temp. change (for diagnostics)
345    
346    checkpoint53e_post
347    o merged cylindrical coord configuration
348    o added rotating_tank experiment
349    checkpoint53e_pre
350    
351    checkpoint53d_post
352    o faulks upgraded: re-generate output.txt that have changed:
353       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
354    o Added Bryan and Lewis, 1979, vertical diffusivity profile
355    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
356    o added Sadourny discretization of Coriolis
357      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
358      - re-enabled use of omega3 (useAbsVorticity)
359    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
360      vector-invariant equations
361      - note: does *NOT* yet use same variable visc. for no-slip BC's.
362    o recoded the lateral boundary conditions for non-hydrostatic w, this time
363      hopefully without new bugs
364      - still to do: biharmonic friction for non-hydrostatic w
365    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
366    o regenerated output for global_ocean_ebm (using -ieee)
367    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
368      of mom_common/
369      - simple re-arrangement of instructions within computing loop
370    checkpoint53d_pre
371    
372    checkpoint53c_post
373    o new version of coupler for AIM+thSIce and Ocean models
374     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
375     - land: change Evaporation of snow
376     - aim with thSIce: fix bug in snow-precip.
377    o changes to calc_gw.F
378     - bug fix for w^2 term near the bottom boundary
379     - (hopefully) improve the lateral slip boundary condtions for use with
380        partial/looped cells
381      - because the bug fix changes two verification experiments anyway (exp5
382        and plume on slope), change the lateral boundary condition from half slip
383        to the value of no_slip_sides
384    o ebm package wasnt quite up to the parallel task. Fixed that.
385    o Adjoint of EBM package + verification
386      * TLM OK
387      * ADM not sufficient accuracy yet (needs further testing)
388    
389    checkpoint53b_post
390    o Commiting new energy balance model to repository
391      * package is pkg/ebm
392      * verif. is verification/global_ocean_ebm
393      * references are in ebm_driver.F
394    C      * X. Wang, P. Stone and J. Marotzke, 1999:
395    C        Global thermohaline circulation. Part I:
396    C        Sensitivity to atmospheric moisture transport.
397    C        J. Climate 12(1), 71-82
398    C      * X. Wang, P. Stone and J. Marotzke, 1999:
399    C        Global thermohaline circulation. Part II:
400    C        Sensitivity with interactive transport.
401    C        J. Climate 12(1), 83-91
402    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
403    C        Destabilization of the thermohaline circulation
404    C        by atmospheric eddy transports.
405    C        J. Climate 7(12), 1870-1882
406    o Will need long integration testing.
407    checkpoint53b_pre
408    
409    o created pkg/mom_common in preparation for variable viscosity code
410    o renamed and split ini_mnc_io
411    o pkg/land: only liquid water can diffuse or run-off
412    o AIM using land: soil wetness availability account for snow
413    o added printMapIncludesZeros to EEPARMS namelist
414    
415    checkpoint53a_post
416    o restore TAMC compatiility for exf_constants.h
417      (no usage of _d in .h)
418    o Additional storing in KPP in an attempt to fix
419      TAMC problem with adjoint of KPP code.
420      (no success...)
421      Identical code works fine with TAF.
422    o Fixed verification/natl_box_adjoint experiments.
423      Initial conditions for Experiments 4 and 5 are now
424      set to "SEAICE_initialHEFF=0", which is more reasonable,
425      and hence gives results closer to that of Experiment 2.
426      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
427    
428    checkpoint53
429    o stable checkpoint with up to date adjoint
430      TLM tests only run for 1st grdchk at the moment. Its unclear if
431      this is a code problem or a problem with resetting code for g_
432      variables that is being autogenerated wrong.
433      Otherwise:
434       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
435       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
436         are both still in chaos following their security messes.
437    
438    checkpoint52n_post
439    o various build (mostly genmake2) changes including:
440      - ability to build/run more easily within Cygwin and MacOS X
441      - more complicated Makefiles with a stronger dependence on Gnu Make
442    o pkg/seaice modifications
443      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
444        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
445        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
446      - changed proxy for geostrophic velocity and updated
447        verification/lab_sea/results/* accordingly
448      - removed ADI dynamic solver from pkg/seaice
449      - replaced all occurrences of 1/CSTICE or 1/CSUICE
450        they caused a segmentation fault under certain circumstances
451      - removed unused field WATR
452    o bug fix in exf-package:
453      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
454         now reflect that.
455    o small fixes in the cal-package:
456      - set reference date to first of January for the 'model'-calendar
457      - failing of cal_CheckDate in cal_FullDate now actually results in a
458        warning
459    o small modifications in exf-package to increase flexibility:
460      - change climtempfreeze from a constant to a runtime parameter that
461        is specified in data.exf_clim (default = -1.9)
462      - introduce runtime parameter windstressmax (default = 2.0) that is
463        specified in data.exf
464    o fix in pkg/thsice:
465      - update Evap (Tsf changes) to be consistent with Latent heat flux
466      - maintain snow precipitation unchanged (even if Tsf >=0).
467     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
468    
469    checkpoint52m_post
470    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
471      this does not change any of the results, because myIter=0 in swfrac always
472      lead to jwtype=2 (the default anyway), but the call makes little sense
473      as a default
474    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
475    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
476      atmospheric model (AIM) to use it ; add a "slab ocean" component.
477    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
478    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
479    o extending useSingleCpuIO option to work with new exch2 I/O format
480      - old-style, missing-tile I/O is still accessible by defining CPP
481        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
482    o monitor package can write to NetCDF files and/or STDOUT
483    o fix re-definition bug in MNC_GRID_INIT_ALL()
484    o doc/api_reference added
485      - a framework for building an API Reference Manual using all
486        the "protex" comments embedded in the code
487      - see pkg/generic_advdiff, pkg/mnc for examples
488    o MNC:
489      - make myThid the last argument for all subroutines
490      - new default for the grid files: NO halos
491      - add useMNC and other run-time flags
492      - separate per-file-group handling of the unlimited dimension
493      - early initialization of MNC w/ flags read at the eeboot stage
494        and lookup tables set in initialize_fixed
495      - write all MNC output to a freshly-created directory
496    o thermodynamics sea-ice (thsice) is now tested with testreport.
497    o test exp. advect_cs: use the standard cs32 grid ; update output.
498    o Added functionality to grdchk:
499      pick global i,j,k position (or nearest wet) where to perform check.
500    
501    checkpoint52l_post
502    o new land formulation:
503      a) use ground enthalpy as prognostic variable to ensure exact
504         energy conservation.
505      b) account for water temperature and for latent heat of freezing
506         in all processes (rain, run-off, ground storage)
507      c) compute surface and ground temperature implicitly.
508    o aim_v23 modification for new land model:
509      a) Treat separately land / ocean / sea-ice surface fluxes
510         to allow implicit computation of land & sea-ice surface temp.
511      b) add snow precipitation.
512    checkpoint52l_pre
513    
514    o fix problem (when 1 tile is empty) in min/max monitor.
515    o fix bug in timeAve (u,vZetatave in common block)
516    o no restoring terms under ice for pkg/seaice
517    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
518    o bug fix for pkg/seaice pickups
519    o change MNC call locations and add coordinate attributes
520    o mask vorticity at the corner ; affects global_ocean.cs output
521    o fix ini_curvilinear_grid ; test CS experiments with mpi
522    o aim.5l_cs: modify sea-ice fraction input file ; update output
523    o exf: Adding simple range check routine for exf fields after read
524    
525    checkpoint52k_post
526    o removed top-level directory "diags"
527      - we migrated these functions to pkg/timeave a long time ago
528    o fixed bug introduced in pkg/monitor
529    o accuracy ctrlprec = 32 insuffient for gradient checks using
530      averaged fields (I/O via cost_averages)
531      -> use ctrl.h in active_file*.F to control I/O precision.
532    o paramter list of CALL ADTHE_MAIN_LOOP
533    o added initial do_the_model_io to ecco
534    o set all ...Freq to zero after cost_final
535      taveFreq, dumpFreq, pChkptFreq
536    o MAIN and ECCO differentiability restored
537    
538    checkpoint52j_post
539    o fix nchklev in tamc.h for global_ocean...
540    o Bringing flow and store directives up-to-date
541    o Really weird thing!
542      call do_the_model_io from the_main_loop with parameters
543      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
544      TAF places a faulty re-call of initialise_varia
545      after cost_final call which should not be there!
546    checkpoint52j_pre
547    
548    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
549      error messages
550    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
551    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
552      debug output
553    o modfied mdsio_writefield.F to handle non-global files under exch2
554    o update AIM Cubed-Sphere exp (aim.5l_cs):
555      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
556    o update AIM Equatorial Channel exp:
557      use standard aim_v23 pkg and change the SST fields to be more realistic.
558    o globalFile now works with exch2
559    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
560      mon_vort3.F to make exch2 friendly with >1 tile per cube face
561    o limit timeave output for hi-res integrations
562    
563    checkpoint52i_post
564    o removed CPP_EEOPTIONS.h from verification/*/code
565    o updated the tiling for global_ocean_pressure
566    checkpoint52i_pre
567    
568    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
569      the old pkg/aim).
570    
571    checkpoint52h_pre
572    o shortened offending lines in exch2_send_rx?.template
573    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
574    o genmake2: add build & execute test for NetCDF code
575    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
576      old grid files, moved CPP_EEMACROS.h to pkg/exch2
577    o added useSingleCPUIO flag to monitor.F and mon_out.F
578    o added temporary hack for sea-ice dynamics on the cube:
579      metric terms are ignored and it is assumed that
580      there is no sea-ice on cube faces 1, 2, 4, and 5.
581    
582    checkpoint52f_post
583    o added exch2 cube routines to pkg/exch2
584    o modified hs94.cs-32x32x5 to use it
585    o added new grid files to hs94.cs-32x32x5
586    checkpoint52f_pre
587    
588    checkpoint52e_post
589    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
590      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
591    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
592      to work with implicit vertical advection and AB ;
593    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
594    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
595     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
596    checkpoint52e_pre
597    
598    o fix bug in impldiff when Nr=1 or Nr=2.
599    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
600    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
601    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
602      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
603    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
604    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
605    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
606    
607    checkpoint52d_post
608    o re-tiled many expts to allow comparison in multi-processor mode
609      - updated output accordingly
610      - changed hs94.128x64x5 to use intial T from file rather than use the
611        random number generator
612    o add infrastructure in model routines for fizhi and gridalt packages
613    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
614    o changes to permit hi-res, cubed-sphere, configuration
615      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
616      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
617      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
618        of surface winds for the cube
619      (A verification experiment, based on global_ocean.cs32x15, but with
620       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
621       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
622       complete with example surface forcing files and matlab scripts to look
623       at the output and compare it with that of global_ocean.cs32x15.)
624    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
625       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
626       to conform to the common rule.
627    o check-in the first version of the coupler + interfaces for multi-components
628       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
629       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
630       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
631       - ocean and atmos. share the same horizontal grid (no interpolation).
632       - exchanges between component and coupler is done in forward_step
633    o new verification experiment, cpl_aim+ocn:
634       coupled ocean - AIM atmosphere on cs32 grid.
635    
636    checkpoint52d_pre
637    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
638    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
639    
640    checkpoint52c_post
641    o Fixing OPTIONS files for use of exf:
642      - ALLOW_ECCO not needed
643      - ECCO_CPPOPTIONS.h should not be included from
644        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
645        as has been the case in the past
646      - All cal/exf related options are currently set in
647        single header file. Should remain so until we
648        agree on a consistent new policy.
649    o Removed all CPP options for cal package.
650      cal has no more CPP options.
651    o modified STOREs in GAD_ADVECTION
652    o corrected key comp. for passkey
653    
654    checkpoint52b_post
655    o new version: "thsice" of thermodynamic sea-ice pkg:
656     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
657     - modify fluxes but do not change theta directly;
658     - light cleaning of bulk_force pkg (still needed with thsice).
659     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
660       + output_thsice.txt to test thsice & bulk_force pkgs.
661    o put back grid & coriolis monitor output.
662    checkpoint52b_pre
663    
664    o call "do_the_model_io" at the beginning (=> dump initial state)
665    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
666    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
667      (need info on NUMBER_OF_PTRACERS)
668    o missing PTRACERS headers in some routines
669    o default tamc.h in pkg/autodiff supposed to crash
670      to ensure proper customization
671    
672    checkpoint52a_post
673    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
674      - moved surfaceTendencyTice from pkg/seaice to main code
675      - subroutine FREEZE_SURFACE now limits only surface temperature
676        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
677        => new output.txt for global_ocean.cs32x15 & global_with_exf
678      - keep the old version of FREEZE for backward compatibility;
679        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
680      - corresponding modifs for TAF directives
681    o added surface flux output variables to TIMEAVE_STATVARS
682    o time-averaged output for pkg/ptracers
683    o fix problem with ECCO-related divided adjoint
684      snapshot file was missing some ad-variables,
685      but no warning issued by TAF
686    
687    checkpoint52a_pre
688    o some bug fixes for #undef REAL4_IS_SLOW
689    
690    checkpoint52 = ecco_c52_e35
691    o after testing adjoints of checkpoint51u_post
692    
693    checkpoint51u_post
694    o this is the post-merge tag of the ecco-branch
695      (needs another clean checkout and re-testing)
696    o various natl_box_adjoint configs and results
697      but no input fields
698    o obcs adjoint not yet merged!
699    o adding ECCO global 1x1 and 2x2 degree configs
700    o updated/extended some store directives for seaice
701    o pkg/ecco now containes ecco-specific part of cost function
702    o top level routines the_main_loop, forward_step
703      supersede those in model/src/
704      previous input data.cost now in data.ecco
705      (new namelist ecco_cost_nml)
706    o in ctrl/ cleaned some cross-dependencies and updated CPP options
707    
708    checkpoint51t_post
709    o this is the pre-merge tag of the ecco-branch
710    
711    checkpoint51s_post
712    o cleanup: removed various obsolete #define-s
713    o pkg/grdchk
714      - renamed 'ph-grd 3' to 'grad-res'
715      - merged from ecco-branch
716        (remaining bug fixes for obcs gradient checks)
717      - additional high-precision output for testreport
718        (grep for 'precision_grdchk_result')
719    
720    checkpoint51r_post
721    o cleaned up or removed CPP_OPTIONS.h files
722    o updated results for some of the tests to reflect the new
723      optfiles (-ieee: -O0 instead of -O3)
724    
725    checkpoint51q_post
726    o cd_code:
727      - moved cd_scheme.F -> cd_code_scheme.F
728      - separate read_checkpoint from cd_code_ini_vars.F
729      - separated cd_code part from write_checkpoint
730      - updated AD_SOURCE, generated .flow
731      - added CD_CODE_VARS.h to the_main_loop
732      - Moving cd_code specific store dir.s to pkg/cd_code
733    o ctrl package totally restructured
734      - pack/unpack now optional and decoupled from
735        xx_/adxx_ I/O
736      - ctrl_pack/unpack cleaned
737        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
738      - confined inclusion of AD_CONFIG.h to where necessary.
739    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
740    
741    checkpoint51p_post
742    o create initial cd_code package
743      - WARNING: the initialization of fields within packages
744        is broken because INI_FIELDS (where READ_CHECKPOINT is
745        called) is called *before* PACKAGES_INIT_VARIABLES.
746        This seems to be backwards since
747        1) its important to initially zero the entire field including
748           the "halo" region
749        2) zeroing needs to be done *before* reading pickup info
750           and the pickup call might or might not happen in any
751           particular run
752      - this needs an overhaul for R2
753    o cleanup verification/*/code/GMREDI_OPTIONS.h
754    o cleanup testreport
755    
756    checkpoint51o_post
757    o bringing AD-related verif's up to date with genmake2
758      - carbon/
759      - global_ocean.90x40x15/
760      - hs.94.1x64x5/
761      - (front_relax/ )
762    o (more) consistent directory structure for AD-related verif.'s
763    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
764    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
765    o bug fix in find_alpha.F for MDJWF:
766      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
767        change rho -> rho-rhoConst
768      - replace call find_rho to find_rhonum
769    o initialisation of rFlx extended to full array (required by TAF)
770      and shifted to thermodynamics
771    o removed PTRACERS.h in ptracers routine
772    o added surfacetendencyPtr to S/R parameter list pracers_forcing
773    o Correcting initialisations for fVerU, fVerV.
774    o helping TAF to recognize dependency on kUp for
775      fVerU, fVerV
776    o Replacing delZ by delR in pkg/ctrl/
777    checkpoint51o_pre
778    
779    o undid all of cp51 pending some cleanups and discussion
780    o added the [#include "AD_CONFIG.h"] statement to all files that need
781       it for adjoint/tl #defines
782     o re-worked the build logic in genmake2 to support AD_CONFIG.h
783     o removed tools/genmake since it no longer works
784    
785    checkpoint51n_post
786    o modifications to make FREEZE flux visible to pkg/kpp
787      - moved surfaceTendencyTice from pkg/seaice to main code
788      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
789      - subroutine FREEZE now limits only surface temperature
790        (this means new output.txt for global_ocean.90x40x15,
791         global_ocean.cs32x15, and global_with_exf)
792    o added surface flux output variables to TIMEAVE_STATVARS
793    
794    checkpoint51n_pre
795    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
796    o added [#include "AD_CONFIG.h"] to all files that use the following
797      defines:
798      - ALLOW_ADJOINT_RUN
799      - ALLOW_TANGENTLINEAR_RUN
800      - ALLOW_ECCO_OPTIMIZATION
801    
802    checkpoint51m_post
803    o incorporating changes to get TAMC/TAF working in genmake2
804      - added new TAMC/TAF targets to the Makefile
805      - various cleanups related to package handling
806      - these changes should have no impact on the forward model
807    
808    checkpoint51l_post
809    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
810     - faster algorithm for cal_addtime.F
811     - higher precision arithmetic, where needed
812     - pkg/exf *startdate variables changed from calendar date to
813       model integration time
814    
815    checkpoint51l_pre
816    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
817    o enable to apply restoring on S & T only in a latitude band.
818    o update output (external_forcing_surf modif. change truncation errors)
819       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
820    
821    checkpoint51k_post
822    o change default to: useNHMTerms=.FALSE.
823     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
824       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
825     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
826        exp1, ideal_2D_oce
827     - change data file of oceanic exp (leave the results unchanged for now)
828       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
829    o set gravitySign automatically according to the vertical coordinate used
830      (and change sign: back to "logical" value: +1 when R increases downward)
831    o added an include barrier to the default CPP_OPTIONS.h and
832      removed the #include "PACKAGES_CONFIG.h" from it
833    o fix a bug in mom_fluxform (from chk51j_post)
834    
835    checkpoint51j_post
836    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
837    o adjusted some flow directives (dynamics, thermodynamics)
838    o added cubed-sphere case to test cost function
839    o heckpoint_lev?_directives.h now include
840      pkg-specific directives, whenever those are enabled.
841    o Moving pkg-specific flow directives to corresponding pkg
842      Moving pkg-specific differentiation list to corresponding pkg
843      Moving pkg-specific checkpoint-lev storing to corresponding pkg
844      ---> conventions are
845           - pkg_ad.flow
846           - pkg_ad_diff.list
847           - pkg_ad_check_lev?_dir.h
848    
849    checkpoint51i_post
850    o merge of the branch-genmake2
851      - knowingly breaks the older genmake
852      - automatic generation of all ALLOW_${PKG_NAME} defines
853      - new testreport supersedes older testscript
854    o large number of package inclusion and header cleanups
855    checkpoint51i_pre
856    
857    o new output for adjoin of global ocean vector invariant
858    o fix for checkpoint of thermodynamic seaice and bulk_force
859    o Steph gchem various cleanups
860    
861    checkpoint 51h_pre
862    o fixed some single quotes
863    o modify gchem pkg to be more versatile
864    o modifications to clean up dic pkg
865    o add pkg/cfc
866    
867    checkpoint51g_post
868    o provide links for ARPACK and ADM*TLM
869    o start removing verification/vero/
870    o update AD-related stuff
871      (in particular some IF-statements in model/src/ routines)
872    o adding to verification/global_ocean.90x40x15/ adjoint of
873      vector invariant setup
874    
875    checkpoint51f_post
876    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
877    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
878      of tracer Green's fucntions for ocean inversion project.
879    
880    checkpoint51f_pre
881    o Added on-the-fly spatial interpolation capability
882        "USE_EXF_INTERPOLATION" to pkg/exf.
883      - This is a temporary Cartesian-grid hack until
884        the super-duper ESMF coupler becomes available.
885      - See verification/global_with_exf/README for usage example.
886      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
887        flags and modified pkg/seaice accordingly.
888    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
889        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
890        non-local transport term.
891    
892    checkpoint51e_post
893    o pkg/mom_vecinv:
894      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
895      - add time-ave diagnostic of vorticity advection.
896    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
897    o atmospheric geopotential: - include water vapor effect;
898                                - use p^kappa in p* scaling.
899    o land pkg: read initial state from files.
900    o AIM : add stratospheric drag in the upper level
901    
902    checkpoint51d_post
903    o change function ILNBLNK (=> last non-blank char.) to return zero
904      (instead of the string length) when the string. char is empty
905    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
906    o modif's to restore TAMC compatibility
907      - avoid "_d" constructs in PARAMETER declarations
908      - avoid interrupting lines by comment lines
909    o Use cluster local disks for purely local I/O
910      vs. globally visible disks needed for ctrl stuff
911      (merged from ecco-branch)
912      - new active_file_loc... and mdsio_..._loc routines
913      - affected packages: autodiff, ctrl, grdchk, mdsio
914    
915    checkpoint51c_post
916    o introducing integer flag debugLevel
917      - debLevZero: suppress all output
918      - debLevA: standard
919      - debLevB: equivalent to current debugMode=.TRUE.
920    o introducing pathname variable mdsioLocalDir for mdsio
921      that can be specified at runtime
922      (relevant for cluster I/O to local disk)
923    `
924    >>>checkpoint51b_post
925    adjoint of ptracers
926    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
927    o extended state in checkpoint_lev?, etc.
928    o alternative ctrl/cost with tr1 or ptracer
929    o new comlev1_bibj_ptracers
930    o new ptracers.flow
931    o made ptracers_forcing same as external_forcing_s
932    o added verification for adjoint with ptracers
933      - adm. grdchk fail so far
934      - tlm. grdchk OK
935      - checked tapelev/comlev recomputations: OK
936    <<<checkpoint51b_pre
937    
938    checkpoint51a_post
939    o added code for biogeochemistry package
940      - new pkgs: dic, gchem
941      - new subroutine in ptracers
942    o modify code for biogeo packages
943      - in model/src and pkg/ptracers
944    
945  checkpoint51  checkpoint51
946  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN  o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
947    - autodiff, ctrl, exf, grdchk, seaice    - autodiff, ctrl, exf, grdchk, seaice

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