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revision 1.207 by dimitri, Thu Nov 13 06:35:13 2003 UTC revision 1.342 by edhill, Wed Sep 8 18:02:29 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 modifications to make FREEZE flux visible to pkg/kpp  o add version info (via BUILD_INFO.h) to MNC and stdout
7    
8    checkpoint54e_post
9    o add two new packages
10      - pp81 (Packanowski and Philander, 1981), Richardson number and
11        stratification dependent mixing
12      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
13      - these scheme operate in a similar manner as KPP (without ghat, of
14        course), however there is only one diffusivity that is used for both
15        temperature and salinity (and passive tracers)ç
16    o add offline package
17    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
18      provided by Stephanie Dutkiewicz
19    o genmake2: add ability to search for C compilers and cleanup test output
20      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
21    
22    checkpoint54d_post
23    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
24    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
25      leading to additional shift by 5 days each year of integration
26       (i.e. leading to considerable offset over the years)
27    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
28    o start with no AB and no initial filtering (staggerTimeStep):
29      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
30    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
31      (external loading & cpl import/export stay in forward_step.F)
32    o update coupling interface to work with new staggerTimeStep
33    o change MDSIO ptracers_pickup.
34    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
35    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
36    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
37    
38    checkpoint54c_post
39    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
40      this affects (truncation error) output.txt of test-exp:
41       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
42    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
43    o change Qnet to always be the net heat flux, (+upward).
44      affects (truncation error) output of natl_box exp.: updated
45    o define the max number of passive tracers in PTRACERS_SIZE.h
46    o start to test mnc routinely in exp0
47    o add sea-ice loading (sIceLoad) as a new forcing field.
48    
49    checkpoint54b_post
50    o add testreport "-j JOBS" option for parallel builds (tested and pretty
51       impressive on Altix and Opteron systems)
52    o diagnostics can now write NetCDF files through the mnc package
53    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
54    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
55    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
56      affects (truncation error) output of lab_sea & natl_box exp.: updated
57    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
58    
59    checkpoint54a_post
60    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
61    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
62    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
63    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
64      + internal_wave (shift in writing cg2d_ini_res)
65    checkpoint54a_pre
66    
67    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
68      - modified verification/lab_sea and natl_box_adjoint accordingly
69    
70    checkpoint54
71    checkpoint53g_post
72    o prepare splitting of thermodynamics: store convect.counter in common block
73    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
74      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
75    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
76    o new parameter "nShapS": allow to treat differently S from T (nShapT)
77    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
78    o restore adjointability
79    
80    checkpoint53f_post
81    o modifications that affect AIM experiment results (update output.txt):
82      - no advection of S at top interface Nr (pkg/generic_advdiff)
83      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
84    o AIM pkg:
85      - include stability function into surf.Flux derivative relative to Tsurf
86      - calculate clear-sky radiation & surface temp. change (for diagnostics)
87    
88    checkpoint53e_post
89    o merged cylindrical coord configuration
90    o added rotating_tank experiment
91    checkpoint53e_pre
92    
93    checkpoint53d_post
94    o faulks upgraded: re-generate output.txt that have changed:
95       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
96    o Added Bryan and Lewis, 1979, vertical diffusivity profile
97    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
98    o added Sadourny discretization of Coriolis
99      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
100      - re-enabled use of omega3 (useAbsVorticity)
101    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
102      vector-invariant equations
103      - note: does *NOT* yet use same variable visc. for no-slip BC's.
104    o recoded the lateral boundary conditions for non-hydrostatic w, this time
105      hopefully without new bugs
106      - still to do: biharmonic friction for non-hydrostatic w
107    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
108    o regenerated output for global_ocean_ebm (using -ieee)
109    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
110      of mom_common/
111      - simple re-arrangement of instructions within computing loop
112    checkpoint53d_pre
113    
114    checkpoint53c_post
115    o new version of coupler for AIM+thSIce and Ocean models
116     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
117     - land: change Evaporation of snow
118     - aim with thSIce: fix bug in snow-precip.
119    o changes to calc_gw.F
120     - bug fix for w^2 term near the bottom boundary
121     - (hopefully) improve the lateral slip boundary condtions for use with
122        partial/looped cells
123      - because the bug fix changes two verification experiments anyway (exp5
124        and plume on slope), change the lateral boundary condition from half slip
125        to the value of no_slip_sides
126    o ebm package wasnt quite up to the parallel task. Fixed that.
127    o Adjoint of EBM package + verification
128      * TLM OK
129      * ADM not sufficient accuracy yet (needs further testing)
130    
131    checkpoint53b_post
132    o Commiting new energy balance model to repository
133      * package is pkg/ebm
134      * verif. is verification/global_ocean_ebm
135      * references are in ebm_driver.F
136    C      * X. Wang, P. Stone and J. Marotzke, 1999:
137    C        Global thermohaline circulation. Part I:
138    C        Sensitivity to atmospheric moisture transport.
139    C        J. Climate 12(1), 71-82
140    C      * X. Wang, P. Stone and J. Marotzke, 1999:
141    C        Global thermohaline circulation. Part II:
142    C        Sensitivity with interactive transport.
143    C        J. Climate 12(1), 83-91
144    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
145    C        Destabilization of the thermohaline circulation
146    C        by atmospheric eddy transports.
147    C        J. Climate 7(12), 1870-1882
148    o Will need long integration testing.
149    checkpoint53b_pre
150    
151    o created pkg/mom_common in preparation for variable viscosity code
152    o renamed and split ini_mnc_io
153    o pkg/land: only liquid water can diffuse or run-off
154    o AIM using land: soil wetness availability account for snow
155    o added printMapIncludesZeros to EEPARMS namelist
156    
157    checkpoint53a_post
158    o restore TAMC compatiility for exf_constants.h
159      (no usage of _d in .h)
160    o Additional storing in KPP in an attempt to fix
161      TAMC problem with adjoint of KPP code.
162      (no success...)
163      Identical code works fine with TAF.
164    o Fixed verification/natl_box_adjoint experiments.
165      Initial conditions for Experiments 4 and 5 are now
166      set to "SEAICE_initialHEFF=0", which is more reasonable,
167      and hence gives results closer to that of Experiment 2.
168      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
169    
170    checkpoint53
171    o stable checkpoint with up to date adjoint
172      TLM tests only run for 1st grdchk at the moment. Its unclear if
173      this is a code problem or a problem with resetting code for g_
174      variables that is being autogenerated wrong.
175      Otherwise:
176       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
177       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
178         are both still in chaos following their security messes.
179    
180    checkpoint52n_post
181    o various build (mostly genmake2) changes including:
182      - ability to build/run more easily within Cygwin and MacOS X
183      - more complicated Makefiles with a stronger dependence on Gnu Make
184    o pkg/seaice modifications
185      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
186        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
187        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
188      - changed proxy for geostrophic velocity and updated
189        verification/lab_sea/results/* accordingly
190      - removed ADI dynamic solver from pkg/seaice
191      - replaced all occurrences of 1/CSTICE or 1/CSUICE
192        they caused a segmentation fault under certain circumstances
193      - removed unused field WATR
194    o bug fix in exf-package:
195      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
196         now reflect that.
197    o small fixes in the cal-package:
198      - set reference date to first of January for the 'model'-calendar
199      - failing of cal_CheckDate in cal_FullDate now actually results in a
200        warning
201    o small modifications in exf-package to increase flexibility:
202      - change climtempfreeze from a constant to a runtime parameter that
203        is specified in data.exf_clim (default = -1.9)
204      - introduce runtime parameter windstressmax (default = 2.0) that is
205        specified in data.exf
206    o fix in pkg/thsice:
207      - update Evap (Tsf changes) to be consistent with Latent heat flux
208      - maintain snow precipitation unchanged (even if Tsf >=0).
209     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
210    
211    checkpoint52m_post
212    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
213      this does not change any of the results, because myIter=0 in swfrac always
214      lead to jwtype=2 (the default anyway), but the call makes little sense
215      as a default
216    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
217    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
218      atmospheric model (AIM) to use it ; add a "slab ocean" component.
219    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
220    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
221    o extending useSingleCpuIO option to work with new exch2 I/O format
222      - old-style, missing-tile I/O is still accessible by defining CPP
223        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
224    o monitor package can write to NetCDF files and/or STDOUT
225    o fix re-definition bug in MNC_GRID_INIT_ALL()
226    o doc/api_reference added
227      - a framework for building an API Reference Manual using all
228        the "protex" comments embedded in the code
229      - see pkg/generic_advdiff, pkg/mnc for examples
230    o MNC:
231      - make myThid the last argument for all subroutines
232      - new default for the grid files: NO halos
233      - add useMNC and other run-time flags
234      - separate per-file-group handling of the unlimited dimension
235      - early initialization of MNC w/ flags read at the eeboot stage
236        and lookup tables set in initialize_fixed
237      - write all MNC output to a freshly-created directory
238    o thermodynamics sea-ice (thsice) is now tested with testreport.
239    o test exp. advect_cs: use the standard cs32 grid ; update output.
240    o Added functionality to grdchk:
241      pick global i,j,k position (or nearest wet) where to perform check.
242    
243    checkpoint52l_post
244    o new land formulation:
245      a) use ground enthalpy as prognostic variable to ensure exact
246         energy conservation.
247      b) account for water temperature and for latent heat of freezing
248         in all processes (rain, run-off, ground storage)
249      c) compute surface and ground temperature implicitly.
250    o aim_v23 modification for new land model:
251      a) Treat separately land / ocean / sea-ice surface fluxes
252         to allow implicit computation of land & sea-ice surface temp.
253      b) add snow precipitation.
254    checkpoint52l_pre
255    
256    o fix problem (when 1 tile is empty) in min/max monitor.
257    o fix bug in timeAve (u,vZetatave in common block)
258    o no restoring terms under ice for pkg/seaice
259    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
260    o bug fix for pkg/seaice pickups
261    o change MNC call locations and add coordinate attributes
262    o mask vorticity at the corner ; affects global_ocean.cs output
263    o fix ini_curvilinear_grid ; test CS experiments with mpi
264    o aim.5l_cs: modify sea-ice fraction input file ; update output
265    o exf: Adding simple range check routine for exf fields after read
266    
267    checkpoint52k_post
268    o removed top-level directory "diags"
269      - we migrated these functions to pkg/timeave a long time ago
270    o fixed bug introduced in pkg/monitor
271    o accuracy ctrlprec = 32 insuffient for gradient checks using
272      averaged fields (I/O via cost_averages)
273      -> use ctrl.h in active_file*.F to control I/O precision.
274    o paramter list of CALL ADTHE_MAIN_LOOP
275    o added initial do_the_model_io to ecco
276    o set all ...Freq to zero after cost_final
277      taveFreq, dumpFreq, pChkptFreq
278    o MAIN and ECCO differentiability restored
279    
280    checkpoint52j_post
281    o fix nchklev in tamc.h for global_ocean...
282    o Bringing flow and store directives up-to-date
283    o Really weird thing!
284      call do_the_model_io from the_main_loop with parameters
285      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
286      TAF places a faulty re-call of initialise_varia
287      after cost_final call which should not be there!
288    checkpoint52j_pre
289    
290    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
291      error messages
292    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
293    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
294      debug output
295    o modfied mdsio_writefield.F to handle non-global files under exch2
296    o update AIM Cubed-Sphere exp (aim.5l_cs):
297      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
298    o update AIM Equatorial Channel exp:
299      use standard aim_v23 pkg and change the SST fields to be more realistic.
300    o globalFile now works with exch2
301    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
302      mon_vort3.F to make exch2 friendly with >1 tile per cube face
303    o limit timeave output for hi-res integrations
304    
305    checkpoint52i_post
306    o removed CPP_EEOPTIONS.h from verification/*/code
307    o updated the tiling for global_ocean_pressure
308    checkpoint52i_pre
309    
310    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
311      the old pkg/aim).
312    
313    checkpoint52h_pre
314    o shortened offending lines in exch2_send_rx?.template
315    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
316    o genmake2: add build & execute test for NetCDF code
317    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
318      old grid files, moved CPP_EEMACROS.h to pkg/exch2
319    o added useSingleCPUIO flag to monitor.F and mon_out.F
320    o added temporary hack for sea-ice dynamics on the cube:
321      metric terms are ignored and it is assumed that
322      there is no sea-ice on cube faces 1, 2, 4, and 5.
323    
324    checkpoint52f_post
325    o added exch2 cube routines to pkg/exch2
326    o modified hs94.cs-32x32x5 to use it
327    o added new grid files to hs94.cs-32x32x5
328    checkpoint52f_pre
329    
330    checkpoint52e_post
331    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
332      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
333    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
334      to work with implicit vertical advection and AB ;
335    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
336    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
337     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
338    checkpoint52e_pre
339    
340    o fix bug in impldiff when Nr=1 or Nr=2.
341    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
342    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
343    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
344      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
345    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
346    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
347    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
348    
349    checkpoint52d_post
350    o re-tiled many expts to allow comparison in multi-processor mode
351      - updated output accordingly
352      - changed hs94.128x64x5 to use intial T from file rather than use the
353        random number generator
354    o add infrastructure in model routines for fizhi and gridalt packages
355    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
356    o changes to permit hi-res, cubed-sphere, configuration
357      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
358      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
359      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
360        of surface winds for the cube
361      (A verification experiment, based on global_ocean.cs32x15, but with
362       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
363       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
364       complete with example surface forcing files and matlab scripts to look
365       at the output and compare it with that of global_ocean.cs32x15.)
366    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
367       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
368       to conform to the common rule.
369    o check-in the first version of the coupler + interfaces for multi-components
370       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
371       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
372       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
373       - ocean and atmos. share the same horizontal grid (no interpolation).
374       - exchanges between component and coupler is done in forward_step
375    o new verification experiment, cpl_aim+ocn:
376       coupled ocean - AIM atmosphere on cs32 grid.
377    
378    checkpoint52d_pre
379    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
380    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
381    
382    checkpoint52c_post
383    o Fixing OPTIONS files for use of exf:
384      - ALLOW_ECCO not needed
385      - ECCO_CPPOPTIONS.h should not be included from
386        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
387        as has been the case in the past
388      - All cal/exf related options are currently set in
389        single header file. Should remain so until we
390        agree on a consistent new policy.
391    o Removed all CPP options for cal package.
392      cal has no more CPP options.
393    o modified STOREs in GAD_ADVECTION
394    o corrected key comp. for passkey
395    
396    checkpoint52b_post
397    o new version: "thsice" of thermodynamic sea-ice pkg:
398     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
399     - modify fluxes but do not change theta directly;
400     - light cleaning of bulk_force pkg (still needed with thsice).
401     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
402       + output_thsice.txt to test thsice & bulk_force pkgs.
403    o put back grid & coriolis monitor output.
404    checkpoint52b_pre
405    
406    o call "do_the_model_io" at the beginning (=> dump initial state)
407    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
408    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
409      (need info on NUMBER_OF_PTRACERS)
410    o missing PTRACERS headers in some routines
411    o default tamc.h in pkg/autodiff supposed to crash
412      to ensure proper customization
413    
414    checkpoint52a_post
415    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
416    - moved surfaceTendencyTice from pkg/seaice to main code    - moved surfaceTendencyTice from pkg/seaice to main code
417    - FREEZE moved to FORWARD_STEP    - subroutine FREEZE_SURFACE now limits only surface temperature
418    - subroutine FREEZE now limits only surface temperature      and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
419      this means new output.txt for global_ocean.90x40x15,      => new output.txt for global_ocean.cs32x15 & global_with_exf
420      global_ocean.cs32x15, and global_with_exf, but note    - keep the old version of FREEZE for backward compatibility;
421      that results for these three experiments remain      global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
422      bit-identical to before if allowFreezing=.FALSE.    - corresponding modifs for TAF directives
423  o added surface flux output variables to TIMEAVE_STATVARS  o added surface flux output variables to TIMEAVE_STATVARS
424  o time-averaged output for pkg/ptracers  o time-averaged output for pkg/ptracers
425    o fix problem with ECCO-related divided adjoint
426      snapshot file was missing some ad-variables,
427      but no warning issued by TAF
428    
429  checkpoint52a_pre  checkpoint52a_pre
430  o some bug fixes for #undef REAL4_IS_SLOW  o some bug fixes for #undef REAL4_IS_SLOW

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