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revision 1.232 by jmc, Wed Dec 31 20:29:54 2003 UTC revision 1.356 by mlosch, Mon Sep 27 08:02:05 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 GGL90 (Gaspar's TKE mixed layer)
7      - add horizontal diffusion of TKE, requires exchanges in
8        do_fields_blocking_exchanges, horizontal diffusivity is zero by
9        default. In OPA there is no horizontal diffusion of TKE but the
10        mixing coefficients are computed from a horizontal average of TKE of
11        6 points or so. I think that diffusion has a little more physical
12        justification.
13      - clean up ggl90_calc in the hope of reducing memory usage (this hope
14        was in vain)
15      - mask tke-variable in ggl90_init
16    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
17    o fix biharmonic diffusion on CS-grid.
18    o more obcs stuff
19      - added obcs_external_fields_load as an alternative to the EXF-pkg option
20        for reading boundary values. This routine is called from
21        obcs_prescribe_read
22      - updated obcs_check
23    
24    checkpoint55c_post
25    o obcs stuff
26      - new runtime flags useOBCSprescribe, useOBCSbalance
27      - re-arranged obcs_calc
28      - moved exf_getobcs to obcs_prescibe_read
29        obcs_prescibe_read is called after ORLANSKI stuff
30        and independent of it (executable can contain all).
31      - updated obcs_check
32      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
33        These may be necessary only if tangential velocities are
34        prescribed at OB, not sure, needs testing.
35    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
36      which simplifies the calls and passes the ifc check-bounds test
37    
38    checkpoint55b_post
39    o add a 2D scalar, Z location, exchange_2 routine.
40    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
41      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
42      affects advect_cs results (for the wrong reason): update output.txt
43    o use a more standard discretization for biharmonic viscosity ;
44     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
45      affects results of dome set-up: update output.txt
46    o fix gad_advection.F (CubedSphere part), back to version 1.23
47    o fix bug in mom_vi_del2uv.F (CubedSphere part).
48    
49    checkpoint55a_post
50    o merged code to
51      * prescribe/read time-dependent open boundaries
52        (works in conjunction with exf, cal)
53      * sponge layer code for open boundaries
54      * each boundary N/S/E/W now has its own CPP option
55        (healthy for the adjoint)
56    
57    checkpoint55
58    o up-to-date adjoint of previous breaks
59      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
60      - global_ocean_ebm: adjoint still needs fix (TLM ok)
61      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
62      - carbon: * remove tr1-related adjoint verification
63                * add ptracer as control variable
64    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
65      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
66    
67    checkpoint54f_post
68    o in verification/carbin/ remove experiment related to
69      ALLOW_PASSIVE_TRACER (array tr1 etc)
70      code_ad/ input_ad/ results_ad
71    
72    o add two new packages
73      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
74        + subject to optimization (memory)
75      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
76        + subject to reordering (many GOTOs in the original code)
77        + so far opps is called for every (i,j) point, and then operates in
78          the vertical; one may want to reorder the scheme in order operate in
79          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
80          fields)
81    o overhaul of IO so that we now have flags for MDSIO and/or MNC
82      - all verification tests compile and run with linux_ia32_g77
83      - defaults are compatible with current input files--nothing
84        should change if you were not previously using MNC
85      - MNC output has been added in numerous places (eg. timeave)
86        but there are still a few writes not yet do-able with MNC
87        (this is in progress)
88      - flags now allow for either/or/both use of MDSIO and MNC and
89        documentation will soon follow
90      - numerous small formatting cleanups for ProTeX
91    o add version info (via BUILD_INFO.h) to MNC and stdout
92    
93    checkpoint54e_post
94    o add two new packages
95      - pp81 (Packanowski and Philander, 1981), Richardson number and
96        stratification dependent mixing
97      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
98      - these scheme operate in a similar manner as KPP (without ghat, of
99        course), however there is only one diffusivity that is used for both
100        temperature and salinity (and passive tracers)ç
101    o add offline package
102    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
103      provided by Stephanie Dutkiewicz
104    o genmake2: add ability to search for C compilers and cleanup test output
105      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
106    
107    checkpoint54d_post
108    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
109    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
110      leading to additional shift by 5 days each year of integration
111       (i.e. leading to considerable offset over the years)
112    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
113    o start with no AB and no initial filtering (staggerTimeStep):
114      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
115    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
116      (external loading & cpl import/export stay in forward_step.F)
117    o update coupling interface to work with new staggerTimeStep
118    o change MDSIO ptracers_pickup.
119    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
120    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
121    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
122    
123    checkpoint54c_post
124    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
125      this affects (truncation error) output.txt of test-exp:
126       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
127    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
128    o change Qnet to always be the net heat flux, (+upward).
129      affects (truncation error) output of natl_box exp.: updated
130    o define the max number of passive tracers in PTRACERS_SIZE.h
131    o start to test mnc routinely in exp0
132    o add sea-ice loading (sIceLoad) as a new forcing field.
133    
134    checkpoint54b_post
135    o add testreport "-j JOBS" option for parallel builds (tested and pretty
136       impressive on Altix and Opteron systems)
137    o diagnostics can now write NetCDF files through the mnc package
138    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
139    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
140    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
141      affects (truncation error) output of lab_sea & natl_box exp.: updated
142    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
143    
144    checkpoint54a_post
145    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
146    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
147    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
148    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
149      + internal_wave (shift in writing cg2d_ini_res)
150    checkpoint54a_pre
151    
152    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
153      - modified verification/lab_sea and natl_box_adjoint accordingly
154    
155    checkpoint54
156    checkpoint53g_post
157    o prepare splitting of thermodynamics: store convect.counter in common block
158    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
159      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
160    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
161    o new parameter "nShapS": allow to treat differently S from T (nShapT)
162    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
163    o restore adjointability
164    
165    checkpoint53f_post
166    o modifications that affect AIM experiment results (update output.txt):
167      - no advection of S at top interface Nr (pkg/generic_advdiff)
168      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
169    o AIM pkg:
170      - include stability function into surf.Flux derivative relative to Tsurf
171      - calculate clear-sky radiation & surface temp. change (for diagnostics)
172    
173    checkpoint53e_post
174    o merged cylindrical coord configuration
175    o added rotating_tank experiment
176    checkpoint53e_pre
177    
178    checkpoint53d_post
179    o faulks upgraded: re-generate output.txt that have changed:
180       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
181    o Added Bryan and Lewis, 1979, vertical diffusivity profile
182    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
183    o added Sadourny discretization of Coriolis
184      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
185      - re-enabled use of omega3 (useAbsVorticity)
186    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
187      vector-invariant equations
188      - note: does *NOT* yet use same variable visc. for no-slip BC's.
189    o recoded the lateral boundary conditions for non-hydrostatic w, this time
190      hopefully without new bugs
191      - still to do: biharmonic friction for non-hydrostatic w
192    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
193    o regenerated output for global_ocean_ebm (using -ieee)
194    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
195      of mom_common/
196      - simple re-arrangement of instructions within computing loop
197    checkpoint53d_pre
198    
199    checkpoint53c_post
200    o new version of coupler for AIM+thSIce and Ocean models
201     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
202     - land: change Evaporation of snow
203     - aim with thSIce: fix bug in snow-precip.
204    o changes to calc_gw.F
205     - bug fix for w^2 term near the bottom boundary
206     - (hopefully) improve the lateral slip boundary condtions for use with
207        partial/looped cells
208      - because the bug fix changes two verification experiments anyway (exp5
209        and plume on slope), change the lateral boundary condition from half slip
210        to the value of no_slip_sides
211    o ebm package wasnt quite up to the parallel task. Fixed that.
212    o Adjoint of EBM package + verification
213      * TLM OK
214      * ADM not sufficient accuracy yet (needs further testing)
215    
216    checkpoint53b_post
217    o Commiting new energy balance model to repository
218      * package is pkg/ebm
219      * verif. is verification/global_ocean_ebm
220      * references are in ebm_driver.F
221    C      * X. Wang, P. Stone and J. Marotzke, 1999:
222    C        Global thermohaline circulation. Part I:
223    C        Sensitivity to atmospheric moisture transport.
224    C        J. Climate 12(1), 71-82
225    C      * X. Wang, P. Stone and J. Marotzke, 1999:
226    C        Global thermohaline circulation. Part II:
227    C        Sensitivity with interactive transport.
228    C        J. Climate 12(1), 83-91
229    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
230    C        Destabilization of the thermohaline circulation
231    C        by atmospheric eddy transports.
232    C        J. Climate 7(12), 1870-1882
233    o Will need long integration testing.
234    checkpoint53b_pre
235    
236    o created pkg/mom_common in preparation for variable viscosity code
237    o renamed and split ini_mnc_io
238    o pkg/land: only liquid water can diffuse or run-off
239    o AIM using land: soil wetness availability account for snow
240    o added printMapIncludesZeros to EEPARMS namelist
241    
242    checkpoint53a_post
243    o restore TAMC compatiility for exf_constants.h
244      (no usage of _d in .h)
245    o Additional storing in KPP in an attempt to fix
246      TAMC problem with adjoint of KPP code.
247      (no success...)
248      Identical code works fine with TAF.
249    o Fixed verification/natl_box_adjoint experiments.
250      Initial conditions for Experiments 4 and 5 are now
251      set to "SEAICE_initialHEFF=0", which is more reasonable,
252      and hence gives results closer to that of Experiment 2.
253      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
254    
255    checkpoint53
256    o stable checkpoint with up to date adjoint
257      TLM tests only run for 1st grdchk at the moment. Its unclear if
258      this is a code problem or a problem with resetting code for g_
259      variables that is being autogenerated wrong.
260      Otherwise:
261       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
262       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
263         are both still in chaos following their security messes.
264    
265    checkpoint52n_post
266    o various build (mostly genmake2) changes including:
267      - ability to build/run more easily within Cygwin and MacOS X
268      - more complicated Makefiles with a stronger dependence on Gnu Make
269    o pkg/seaice modifications
270      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
271        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
272        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
273      - changed proxy for geostrophic velocity and updated
274        verification/lab_sea/results/* accordingly
275      - removed ADI dynamic solver from pkg/seaice
276      - replaced all occurrences of 1/CSTICE or 1/CSUICE
277        they caused a segmentation fault under certain circumstances
278      - removed unused field WATR
279    o bug fix in exf-package:
280      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
281         now reflect that.
282    o small fixes in the cal-package:
283      - set reference date to first of January for the 'model'-calendar
284      - failing of cal_CheckDate in cal_FullDate now actually results in a
285        warning
286    o small modifications in exf-package to increase flexibility:
287      - change climtempfreeze from a constant to a runtime parameter that
288        is specified in data.exf_clim (default = -1.9)
289      - introduce runtime parameter windstressmax (default = 2.0) that is
290        specified in data.exf
291    o fix in pkg/thsice:
292      - update Evap (Tsf changes) to be consistent with Latent heat flux
293      - maintain snow precipitation unchanged (even if Tsf >=0).
294     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
295    
296    checkpoint52m_post
297    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
298      this does not change any of the results, because myIter=0 in swfrac always
299      lead to jwtype=2 (the default anyway), but the call makes little sense
300      as a default
301    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
302    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
303      atmospheric model (AIM) to use it ; add a "slab ocean" component.
304    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
305    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
306    o extending useSingleCpuIO option to work with new exch2 I/O format
307      - old-style, missing-tile I/O is still accessible by defining CPP
308        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
309    o monitor package can write to NetCDF files and/or STDOUT
310    o fix re-definition bug in MNC_GRID_INIT_ALL()
311    o doc/api_reference added
312      - a framework for building an API Reference Manual using all
313        the "protex" comments embedded in the code
314      - see pkg/generic_advdiff, pkg/mnc for examples
315    o MNC:
316      - make myThid the last argument for all subroutines
317      - new default for the grid files: NO halos
318      - add useMNC and other run-time flags
319      - separate per-file-group handling of the unlimited dimension
320      - early initialization of MNC w/ flags read at the eeboot stage
321        and lookup tables set in initialize_fixed
322      - write all MNC output to a freshly-created directory
323    o thermodynamics sea-ice (thsice) is now tested with testreport.
324    o test exp. advect_cs: use the standard cs32 grid ; update output.
325    o Added functionality to grdchk:
326      pick global i,j,k position (or nearest wet) where to perform check.
327    
328    checkpoint52l_post
329    o new land formulation:
330      a) use ground enthalpy as prognostic variable to ensure exact
331         energy conservation.
332      b) account for water temperature and for latent heat of freezing
333         in all processes (rain, run-off, ground storage)
334      c) compute surface and ground temperature implicitly.
335    o aim_v23 modification for new land model:
336      a) Treat separately land / ocean / sea-ice surface fluxes
337         to allow implicit computation of land & sea-ice surface temp.
338      b) add snow precipitation.
339    checkpoint52l_pre
340    
341    o fix problem (when 1 tile is empty) in min/max monitor.
342    o fix bug in timeAve (u,vZetatave in common block)
343    o no restoring terms under ice for pkg/seaice
344    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
345    o bug fix for pkg/seaice pickups
346    o change MNC call locations and add coordinate attributes
347    o mask vorticity at the corner ; affects global_ocean.cs output
348    o fix ini_curvilinear_grid ; test CS experiments with mpi
349    o aim.5l_cs: modify sea-ice fraction input file ; update output
350    o exf: Adding simple range check routine for exf fields after read
351    
352    checkpoint52k_post
353    o removed top-level directory "diags"
354      - we migrated these functions to pkg/timeave a long time ago
355    o fixed bug introduced in pkg/monitor
356    o accuracy ctrlprec = 32 insuffient for gradient checks using
357      averaged fields (I/O via cost_averages)
358      -> use ctrl.h in active_file*.F to control I/O precision.
359    o paramter list of CALL ADTHE_MAIN_LOOP
360    o added initial do_the_model_io to ecco
361    o set all ...Freq to zero after cost_final
362      taveFreq, dumpFreq, pChkptFreq
363    o MAIN and ECCO differentiability restored
364    
365    checkpoint52j_post
366    o fix nchklev in tamc.h for global_ocean...
367    o Bringing flow and store directives up-to-date
368    o Really weird thing!
369      call do_the_model_io from the_main_loop with parameters
370      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
371      TAF places a faulty re-call of initialise_varia
372      after cost_final call which should not be there!
373    checkpoint52j_pre
374    
375    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
376      error messages
377    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
378    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
379      debug output
380    o modfied mdsio_writefield.F to handle non-global files under exch2
381    o update AIM Cubed-Sphere exp (aim.5l_cs):
382      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
383    o update AIM Equatorial Channel exp:
384      use standard aim_v23 pkg and change the SST fields to be more realistic.
385    o globalFile now works with exch2
386    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
387      mon_vort3.F to make exch2 friendly with >1 tile per cube face
388    o limit timeave output for hi-res integrations
389    
390    checkpoint52i_post
391    o removed CPP_EEOPTIONS.h from verification/*/code
392    o updated the tiling for global_ocean_pressure
393    checkpoint52i_pre
394    
395    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
396      the old pkg/aim).
397    
398    checkpoint52h_pre
399    o shortened offending lines in exch2_send_rx?.template
400    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
401    o genmake2: add build & execute test for NetCDF code
402    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
403      old grid files, moved CPP_EEMACROS.h to pkg/exch2
404    o added useSingleCPUIO flag to monitor.F and mon_out.F
405    o added temporary hack for sea-ice dynamics on the cube:
406      metric terms are ignored and it is assumed that
407      there is no sea-ice on cube faces 1, 2, 4, and 5.
408    
409    checkpoint52f_post
410    o added exch2 cube routines to pkg/exch2
411    o modified hs94.cs-32x32x5 to use it
412    o added new grid files to hs94.cs-32x32x5
413    checkpoint52f_pre
414    
415    checkpoint52e_post
416    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
417      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
418    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
419      to work with implicit vertical advection and AB ;
420    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
421    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
422     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
423    checkpoint52e_pre
424    
425    o fix bug in impldiff when Nr=1 or Nr=2.
426  o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt  o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
427  o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.  o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
428  o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2  o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2

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