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revision 1.262 by edhill, Thu Feb 26 22:39:55 2004 UTC revision 1.381 by edhill, Thu Nov 4 20:19:17 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 add consistent build directories and .cvsignore files to verification
7    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
8    o make all subroutines 30 or less characters in length for certain older
9      compilers to work (a thorough search only turns up two routines in
10      pkg/ptracers)
11    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
12      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
13    
14    checkpoint55i_post
15    o change arrays for total vertical diffusivity (2.D if explicit,
16      3.D if implicit) ; each ptracer uses its own background value.
17    o added mnc/NetCDF output capability to ocn_compon_interf
18      - added bits to verification/cpl_aim+ocn so that it can run on
19        ITRDA and other clusters without the mpirun "-wd" option
20    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
21      configuration
22    o give MNC the ability to create additional files rather than
23      exceeding a specified file size limit "MNC_MAX_FILESIZE"
24      - the default is just less than 2GB which is a practical limit
25        on many systems
26    o Compute the non-local term using either KPP vertical diffusivity (=default)
27       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
28    
29    checkpoint55h_post
30    o add verification test "vermix"
31    o remove all the *_ioinc flags and replace with the single global
32      outputTypesInclusive flag
33    o allow to set a vertical profile of vertical diffusivity for T & S
34    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
35    o useMNC moved from data.mnc to data.pkg
36    
37    checkpoint55g_post
38    o Renaming carbon AD experiments to comply with testreport conventions
39    o Updating adjoint of Held-Suarez hs94.1x64x5
40    o Fixing directives for non-ECCO forward_step, after ECCO directives
41      have been fixed to avoid recomp. of do_oceanic_phys
42      Works well for global_ocean.90x40x15,
43      but recomp. issue remains for carbon
44    o Updating adjoint output for natl_box_adjoint after
45      pkg/ecco has been modified (see taga c55d_post)
46    
47    checkpoint55f_post
48    o rename to timeave_init_fixed
49    
50    checkpoint55e_post
51    o some delicate re-shuffle of store directives to avoid one
52      extra call of do_oceanic_physics
53      affects ecco_the_main_loop.F, do_oceanic_physics.F
54      checkpoint_lev1_directives.h
55    o NB: this may break global_ocean adjoint temporarily,
56      but it is clear how to fix it. Will do later, need this now.
57    
58    checkpoint55d_post
59    o ECCO specific cost function terms (up-to-date with 1x1 runs)
60    o ecco_cost_weights is modified to 1x1 runs
61    o modifs to allow observations to be read in as
62      single file or yearly files
63    o enable to read exf forcing fields as either
64      single file or yearly files (flag useExfYearlyFields)
65    checkpoint55d_pre
66    
67    o switch between 2-level and 3-level checkpointing
68    o add ability of MNC to write local and "partial" (eg. 2D slices where
69      the full 3D field is never actually stored) arrays to NetCDF files
70      with the correct (that is, the complete multi-dimensional) set of
71      array indicies
72      - used in mom_vecinv() to write the diagFreq output
73      - tested (demonstrated) in verification/aim.5l_cs
74    o further mnc-ification
75      - add verification/lab_sea to the list with mnc setups
76      - fix undefined mnc v-names in cd_code
77      - add kpp to mnc output (both snapshot and timeave)
78    o non-hydrostatic code
79      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
80        in calc_gw.F
81      - defaults to viscAh
82      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
83        friction or Leith) in non-hydrostatic mode, as long as there is
84        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
85    o pkg/cost
86      extend simple cost functions to treat time mean quantities
87      (T,U,V) via cost_accumulate_state from cost_tile
88    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
89        be 2 times larger than the minimum size the advection scheme requires.
90        now get a perfect conservation of salt in advect_cs test-exp (updated)
91    o GGL90 (Gaspar's TKE mixed layer)
92      - add horizontal diffusion of TKE, requires exchanges in
93        do_fields_blocking_exchanges, horizontal diffusivity is zero by
94        default. In OPA there is no horizontal diffusion of TKE but the
95        mixing coefficients are computed from a horizontal average of TKE of
96        6 points or so. I think that diffusion has a little more physical
97        justification.
98      - clean up ggl90_calc in the hope of reducing memory usage (this hope
99        was in vain)
100      - mask tke-variable in ggl90_init
101    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
102    o fix biharmonic diffusion on CS-grid.
103    o more obcs stuff
104      - added obcs_external_fields_load as an alternative to the EXF-pkg option
105        for reading boundary values. This routine is called from
106        obcs_prescribe_read
107      - updated obcs_check
108      - changed sponge layer relaxation parameter units for days to seconds
109      - turned off sponge layer by default
110      - changed argument list of OBCS_CALC to myTime+deltaTclock
111      - fixed about 35 bugs in obcs_external_fields_load
112    
113    checkpoint55c_post
114    o obcs stuff
115      - new runtime flags useOBCSprescribe, useOBCSbalance
116      - re-arranged obcs_calc
117      - moved exf_getobcs to obcs_prescibe_read
118        obcs_prescibe_read is called after ORLANSKI stuff
119        and independent of it (executable can contain all).
120      - updated obcs_check
121      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
122        These may be necessary only if tangential velocities are
123        prescribed at OB, not sure, needs testing.
124    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
125      which simplifies the calls and passes the ifc check-bounds test
126    
127    checkpoint55b_post
128    o add a 2D scalar, Z location, exchange_2 routine.
129    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
130      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
131      affects advect_cs results (for the wrong reason): update output.txt
132    o use a more standard discretization for biharmonic viscosity ;
133     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
134      affects results of dome set-up: update output.txt
135    o fix gad_advection.F (CubedSphere part), back to version 1.23
136    o fix bug in mom_vi_del2uv.F (CubedSphere part).
137    
138    checkpoint55a_post
139    o merged code to
140      * prescribe/read time-dependent open boundaries
141        (works in conjunction with exf, cal)
142      * sponge layer code for open boundaries
143      * each boundary N/S/E/W now has its own CPP option
144        (healthy for the adjoint)
145    
146    checkpoint55
147    o up-to-date adjoint of previous breaks
148      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
149      - global_ocean_ebm: adjoint still needs fix (TLM ok)
150      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
151      - carbon: * remove tr1-related adjoint verification
152                * add ptracer as control variable
153    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
154      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
155    
156    checkpoint54f_post
157    o in verification/carbin/ remove experiment related to
158      ALLOW_PASSIVE_TRACER (array tr1 etc)
159      code_ad/ input_ad/ results_ad
160    
161    o add two new packages
162      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
163        + subject to optimization (memory)
164      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
165        + subject to reordering (many GOTOs in the original code)
166        + so far opps is called for every (i,j) point, and then operates in
167          the vertical; one may want to reorder the scheme in order operate in
168          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
169          fields)
170    o overhaul of IO so that we now have flags for MDSIO and/or MNC
171      - all verification tests compile and run with linux_ia32_g77
172      - defaults are compatible with current input files--nothing
173        should change if you were not previously using MNC
174      - MNC output has been added in numerous places (eg. timeave)
175        but there are still a few writes not yet do-able with MNC
176        (this is in progress)
177      - flags now allow for either/or/both use of MDSIO and MNC and
178        documentation will soon follow
179      - numerous small formatting cleanups for ProTeX
180    o add version info (via BUILD_INFO.h) to MNC and stdout
181    
182    checkpoint54e_post
183    o add two new packages
184      - pp81 (Packanowski and Philander, 1981), Richardson number and
185        stratification dependent mixing
186      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
187      - these scheme operate in a similar manner as KPP (without ghat, of
188        course), however there is only one diffusivity that is used for both
189        temperature and salinity (and passive tracers)ç
190    o add offline package
191    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
192      provided by Stephanie Dutkiewicz
193    o genmake2: add ability to search for C compilers and cleanup test output
194      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
195    
196    checkpoint54d_post
197    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
198    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
199      leading to additional shift by 5 days each year of integration
200       (i.e. leading to considerable offset over the years)
201    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
202    o start with no AB and no initial filtering (staggerTimeStep):
203      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
204    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
205      (external loading & cpl import/export stay in forward_step.F)
206    o update coupling interface to work with new staggerTimeStep
207    o change MDSIO ptracers_pickup.
208    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
209    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
210    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
211    
212    checkpoint54c_post
213    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
214      this affects (truncation error) output.txt of test-exp:
215       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
216    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
217    o change Qnet to always be the net heat flux, (+upward).
218      affects (truncation error) output of natl_box exp.: updated
219    o define the max number of passive tracers in PTRACERS_SIZE.h
220    o start to test mnc routinely in exp0
221    o add sea-ice loading (sIceLoad) as a new forcing field.
222    
223    checkpoint54b_post
224    o add testreport "-j JOBS" option for parallel builds (tested and pretty
225       impressive on Altix and Opteron systems)
226    o diagnostics can now write NetCDF files through the mnc package
227    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
228    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
229    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
230      affects (truncation error) output of lab_sea & natl_box exp.: updated
231    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
232    
233    checkpoint54a_post
234    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
235    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
236    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
237    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
238      + internal_wave (shift in writing cg2d_ini_res)
239    checkpoint54a_pre
240    
241    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
242      - modified verification/lab_sea and natl_box_adjoint accordingly
243    
244    checkpoint54
245    checkpoint53g_post
246    o prepare splitting of thermodynamics: store convect.counter in common block
247    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
248      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
249    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
250    o new parameter "nShapS": allow to treat differently S from T (nShapT)
251    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
252    o restore adjointability
253    
254    checkpoint53f_post
255    o modifications that affect AIM experiment results (update output.txt):
256      - no advection of S at top interface Nr (pkg/generic_advdiff)
257      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
258    o AIM pkg:
259      - include stability function into surf.Flux derivative relative to Tsurf
260      - calculate clear-sky radiation & surface temp. change (for diagnostics)
261    
262    checkpoint53e_post
263    o merged cylindrical coord configuration
264    o added rotating_tank experiment
265    checkpoint53e_pre
266    
267    checkpoint53d_post
268    o faulks upgraded: re-generate output.txt that have changed:
269       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
270    o Added Bryan and Lewis, 1979, vertical diffusivity profile
271    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
272    o added Sadourny discretization of Coriolis
273      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
274      - re-enabled use of omega3 (useAbsVorticity)
275    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
276      vector-invariant equations
277      - note: does *NOT* yet use same variable visc. for no-slip BC's.
278    o recoded the lateral boundary conditions for non-hydrostatic w, this time
279      hopefully without new bugs
280      - still to do: biharmonic friction for non-hydrostatic w
281    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
282    o regenerated output for global_ocean_ebm (using -ieee)
283    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
284      of mom_common/
285      - simple re-arrangement of instructions within computing loop
286    checkpoint53d_pre
287    
288    checkpoint53c_post
289    o new version of coupler for AIM+thSIce and Ocean models
290     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
291     - land: change Evaporation of snow
292     - aim with thSIce: fix bug in snow-precip.
293    o changes to calc_gw.F
294     - bug fix for w^2 term near the bottom boundary
295     - (hopefully) improve the lateral slip boundary condtions for use with
296        partial/looped cells
297      - because the bug fix changes two verification experiments anyway (exp5
298        and plume on slope), change the lateral boundary condition from half slip
299        to the value of no_slip_sides
300    o ebm package wasnt quite up to the parallel task. Fixed that.
301    o Adjoint of EBM package + verification
302      * TLM OK
303      * ADM not sufficient accuracy yet (needs further testing)
304    
305    checkpoint53b_post
306    o Commiting new energy balance model to repository
307      * package is pkg/ebm
308      * verif. is verification/global_ocean_ebm
309      * references are in ebm_driver.F
310    C      * X. Wang, P. Stone and J. Marotzke, 1999:
311    C        Global thermohaline circulation. Part I:
312    C        Sensitivity to atmospheric moisture transport.
313    C        J. Climate 12(1), 71-82
314    C      * X. Wang, P. Stone and J. Marotzke, 1999:
315    C        Global thermohaline circulation. Part II:
316    C        Sensitivity with interactive transport.
317    C        J. Climate 12(1), 83-91
318    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
319    C        Destabilization of the thermohaline circulation
320    C        by atmospheric eddy transports.
321    C        J. Climate 7(12), 1870-1882
322    o Will need long integration testing.
323    checkpoint53b_pre
324    
325    o created pkg/mom_common in preparation for variable viscosity code
326    o renamed and split ini_mnc_io
327    o pkg/land: only liquid water can diffuse or run-off
328    o AIM using land: soil wetness availability account for snow
329    o added printMapIncludesZeros to EEPARMS namelist
330    
331    checkpoint53a_post
332    o restore TAMC compatiility for exf_constants.h
333      (no usage of _d in .h)
334    o Additional storing in KPP in an attempt to fix
335      TAMC problem with adjoint of KPP code.
336      (no success...)
337      Identical code works fine with TAF.
338    o Fixed verification/natl_box_adjoint experiments.
339      Initial conditions for Experiments 4 and 5 are now
340      set to "SEAICE_initialHEFF=0", which is more reasonable,
341      and hence gives results closer to that of Experiment 2.
342      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
343    
344    checkpoint53
345    o stable checkpoint with up to date adjoint
346      TLM tests only run for 1st grdchk at the moment. Its unclear if
347      this is a code problem or a problem with resetting code for g_
348      variables that is being autogenerated wrong.
349      Otherwise:
350       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
351       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
352         are both still in chaos following their security messes.
353    
354    checkpoint52n_post
355    o various build (mostly genmake2) changes including:
356      - ability to build/run more easily within Cygwin and MacOS X
357      - more complicated Makefiles with a stronger dependence on Gnu Make
358    o pkg/seaice modifications
359      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
360        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
361        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
362      - changed proxy for geostrophic velocity and updated
363        verification/lab_sea/results/* accordingly
364      - removed ADI dynamic solver from pkg/seaice
365      - replaced all occurrences of 1/CSTICE or 1/CSUICE
366        they caused a segmentation fault under certain circumstances
367      - removed unused field WATR
368    o bug fix in exf-package:
369      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
370         now reflect that.
371    o small fixes in the cal-package:
372      - set reference date to first of January for the 'model'-calendar
373      - failing of cal_CheckDate in cal_FullDate now actually results in a
374        warning
375    o small modifications in exf-package to increase flexibility:
376      - change climtempfreeze from a constant to a runtime parameter that
377        is specified in data.exf_clim (default = -1.9)
378      - introduce runtime parameter windstressmax (default = 2.0) that is
379        specified in data.exf
380    o fix in pkg/thsice:
381      - update Evap (Tsf changes) to be consistent with Latent heat flux
382      - maintain snow precipitation unchanged (even if Tsf >=0).
383     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
384    
385    checkpoint52m_post
386    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
387      this does not change any of the results, because myIter=0 in swfrac always
388      lead to jwtype=2 (the default anyway), but the call makes little sense
389      as a default
390    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
391    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
392      atmospheric model (AIM) to use it ; add a "slab ocean" component.
393    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
394    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
395    o extending useSingleCpuIO option to work with new exch2 I/O format
396      - old-style, missing-tile I/O is still accessible by defining CPP
397        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
398    o monitor package can write to NetCDF files and/or STDOUT
399    o fix re-definition bug in MNC_GRID_INIT_ALL()
400    o doc/api_reference added
401      - a framework for building an API Reference Manual using all
402        the "protex" comments embedded in the code
403      - see pkg/generic_advdiff, pkg/mnc for examples
404    o MNC:
405      - make myThid the last argument for all subroutines
406      - new default for the grid files: NO halos
407      - add useMNC and other run-time flags
408      - separate per-file-group handling of the unlimited dimension
409      - early initialization of MNC w/ flags read at the eeboot stage
410        and lookup tables set in initialize_fixed
411      - write all MNC output to a freshly-created directory
412    o thermodynamics sea-ice (thsice) is now tested with testreport.
413    o test exp. advect_cs: use the standard cs32 grid ; update output.
414    o Added functionality to grdchk:
415      pick global i,j,k position (or nearest wet) where to perform check.
416    
417    checkpoint52l_post
418    o new land formulation:
419      a) use ground enthalpy as prognostic variable to ensure exact
420         energy conservation.
421      b) account for water temperature and for latent heat of freezing
422         in all processes (rain, run-off, ground storage)
423      c) compute surface and ground temperature implicitly.
424    o aim_v23 modification for new land model:
425      a) Treat separately land / ocean / sea-ice surface fluxes
426         to allow implicit computation of land & sea-ice surface temp.
427      b) add snow precipitation.
428    checkpoint52l_pre
429    
430    o fix problem (when 1 tile is empty) in min/max monitor.
431    o fix bug in timeAve (u,vZetatave in common block)
432    o no restoring terms under ice for pkg/seaice
433    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
434    o bug fix for pkg/seaice pickups
435  o change MNC call locations and add coordinate attributes  o change MNC call locations and add coordinate attributes
436  o mask vorticity at the corner ; affects global_ocean.cs output  o mask vorticity at the corner ; affects global_ocean.cs output
437  o fix ini_curvilinear_grid ; test CS experiments with mpi  o fix ini_curvilinear_grid ; test CS experiments with mpi

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