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revision 1.240 by edhill, Wed Jan 14 03:49:57 2004 UTC revision 1.358 by jmc, Mon Sep 27 14:54:35 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 multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
7        be 2 times larger than the minimum size the advection scheme requires.
8        now get a perfect conservation of salt in advect_cs test-exp (updated)
9    o GGL90 (Gaspar's TKE mixed layer)
10      - add horizontal diffusion of TKE, requires exchanges in
11        do_fields_blocking_exchanges, horizontal diffusivity is zero by
12        default. In OPA there is no horizontal diffusion of TKE but the
13        mixing coefficients are computed from a horizontal average of TKE of
14        6 points or so. I think that diffusion has a little more physical
15        justification.
16      - clean up ggl90_calc in the hope of reducing memory usage (this hope
17        was in vain)
18      - mask tke-variable in ggl90_init
19    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
20    o fix biharmonic diffusion on CS-grid.
21    o more obcs stuff
22      - added obcs_external_fields_load as an alternative to the EXF-pkg option
23        for reading boundary values. This routine is called from
24        obcs_prescribe_read
25      - updated obcs_check
26      - changed sponge layer relaxation parameter units for days to seconds
27      - turned off sponge layer by default
28    
29    checkpoint55c_post
30    o obcs stuff
31      - new runtime flags useOBCSprescribe, useOBCSbalance
32      - re-arranged obcs_calc
33      - moved exf_getobcs to obcs_prescibe_read
34        obcs_prescibe_read is called after ORLANSKI stuff
35        and independent of it (executable can contain all).
36      - updated obcs_check
37      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
38        These may be necessary only if tangential velocities are
39        prescribed at OB, not sure, needs testing.
40    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
41      which simplifies the calls and passes the ifc check-bounds test
42    
43    checkpoint55b_post
44    o add a 2D scalar, Z location, exchange_2 routine.
45    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
46      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
47      affects advect_cs results (for the wrong reason): update output.txt
48    o use a more standard discretization for biharmonic viscosity ;
49     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
50      affects results of dome set-up: update output.txt
51    o fix gad_advection.F (CubedSphere part), back to version 1.23
52    o fix bug in mom_vi_del2uv.F (CubedSphere part).
53    
54    checkpoint55a_post
55    o merged code to
56      * prescribe/read time-dependent open boundaries
57        (works in conjunction with exf, cal)
58      * sponge layer code for open boundaries
59      * each boundary N/S/E/W now has its own CPP option
60        (healthy for the adjoint)
61    
62    checkpoint55
63    o up-to-date adjoint of previous breaks
64      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
65      - global_ocean_ebm: adjoint still needs fix (TLM ok)
66      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
67      - carbon: * remove tr1-related adjoint verification
68                * add ptracer as control variable
69    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
70      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
71    
72    checkpoint54f_post
73    o in verification/carbin/ remove experiment related to
74      ALLOW_PASSIVE_TRACER (array tr1 etc)
75      code_ad/ input_ad/ results_ad
76    
77    o add two new packages
78      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
79        + subject to optimization (memory)
80      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
81        + subject to reordering (many GOTOs in the original code)
82        + so far opps is called for every (i,j) point, and then operates in
83          the vertical; one may want to reorder the scheme in order operate in
84          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
85          fields)
86    o overhaul of IO so that we now have flags for MDSIO and/or MNC
87      - all verification tests compile and run with linux_ia32_g77
88      - defaults are compatible with current input files--nothing
89        should change if you were not previously using MNC
90      - MNC output has been added in numerous places (eg. timeave)
91        but there are still a few writes not yet do-able with MNC
92        (this is in progress)
93      - flags now allow for either/or/both use of MDSIO and MNC and
94        documentation will soon follow
95      - numerous small formatting cleanups for ProTeX
96    o add version info (via BUILD_INFO.h) to MNC and stdout
97    
98    checkpoint54e_post
99    o add two new packages
100      - pp81 (Packanowski and Philander, 1981), Richardson number and
101        stratification dependent mixing
102      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
103      - these scheme operate in a similar manner as KPP (without ghat, of
104        course), however there is only one diffusivity that is used for both
105        temperature and salinity (and passive tracers)ç
106    o add offline package
107    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
108      provided by Stephanie Dutkiewicz
109    o genmake2: add ability to search for C compilers and cleanup test output
110      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
111    
112    checkpoint54d_post
113    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
114    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
115      leading to additional shift by 5 days each year of integration
116       (i.e. leading to considerable offset over the years)
117    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
118    o start with no AB and no initial filtering (staggerTimeStep):
119      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
120    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
121      (external loading & cpl import/export stay in forward_step.F)
122    o update coupling interface to work with new staggerTimeStep
123    o change MDSIO ptracers_pickup.
124    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
125    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
126    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
127    
128    checkpoint54c_post
129    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
130      this affects (truncation error) output.txt of test-exp:
131       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
132    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
133    o change Qnet to always be the net heat flux, (+upward).
134      affects (truncation error) output of natl_box exp.: updated
135    o define the max number of passive tracers in PTRACERS_SIZE.h
136    o start to test mnc routinely in exp0
137    o add sea-ice loading (sIceLoad) as a new forcing field.
138    
139    checkpoint54b_post
140    o add testreport "-j JOBS" option for parallel builds (tested and pretty
141       impressive on Altix and Opteron systems)
142    o diagnostics can now write NetCDF files through the mnc package
143    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
144    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
145    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
146      affects (truncation error) output of lab_sea & natl_box exp.: updated
147    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
148    
149    checkpoint54a_post
150    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
151    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
152    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
153    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
154      + internal_wave (shift in writing cg2d_ini_res)
155    checkpoint54a_pre
156    
157    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
158      - modified verification/lab_sea and natl_box_adjoint accordingly
159    
160    checkpoint54
161    checkpoint53g_post
162    o prepare splitting of thermodynamics: store convect.counter in common block
163    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
164      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
165    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
166    o new parameter "nShapS": allow to treat differently S from T (nShapT)
167    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
168    o restore adjointability
169    
170    checkpoint53f_post
171    o modifications that affect AIM experiment results (update output.txt):
172      - no advection of S at top interface Nr (pkg/generic_advdiff)
173      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
174    o AIM pkg:
175      - include stability function into surf.Flux derivative relative to Tsurf
176      - calculate clear-sky radiation & surface temp. change (for diagnostics)
177    
178    checkpoint53e_post
179    o merged cylindrical coord configuration
180    o added rotating_tank experiment
181    checkpoint53e_pre
182    
183    checkpoint53d_post
184    o faulks upgraded: re-generate output.txt that have changed:
185       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
186    o Added Bryan and Lewis, 1979, vertical diffusivity profile
187    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
188    o added Sadourny discretization of Coriolis
189      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
190      - re-enabled use of omega3 (useAbsVorticity)
191    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
192      vector-invariant equations
193      - note: does *NOT* yet use same variable visc. for no-slip BC's.
194    o recoded the lateral boundary conditions for non-hydrostatic w, this time
195      hopefully without new bugs
196      - still to do: biharmonic friction for non-hydrostatic w
197    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
198    o regenerated output for global_ocean_ebm (using -ieee)
199    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
200      of mom_common/
201      - simple re-arrangement of instructions within computing loop
202    checkpoint53d_pre
203    
204    checkpoint53c_post
205    o new version of coupler for AIM+thSIce and Ocean models
206     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
207     - land: change Evaporation of snow
208     - aim with thSIce: fix bug in snow-precip.
209    o changes to calc_gw.F
210     - bug fix for w^2 term near the bottom boundary
211     - (hopefully) improve the lateral slip boundary condtions for use with
212        partial/looped cells
213      - because the bug fix changes two verification experiments anyway (exp5
214        and plume on slope), change the lateral boundary condition from half slip
215        to the value of no_slip_sides
216    o ebm package wasnt quite up to the parallel task. Fixed that.
217    o Adjoint of EBM package + verification
218      * TLM OK
219      * ADM not sufficient accuracy yet (needs further testing)
220    
221    checkpoint53b_post
222    o Commiting new energy balance model to repository
223      * package is pkg/ebm
224      * verif. is verification/global_ocean_ebm
225      * references are in ebm_driver.F
226    C      * X. Wang, P. Stone and J. Marotzke, 1999:
227    C        Global thermohaline circulation. Part I:
228    C        Sensitivity to atmospheric moisture transport.
229    C        J. Climate 12(1), 71-82
230    C      * X. Wang, P. Stone and J. Marotzke, 1999:
231    C        Global thermohaline circulation. Part II:
232    C        Sensitivity with interactive transport.
233    C        J. Climate 12(1), 83-91
234    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
235    C        Destabilization of the thermohaline circulation
236    C        by atmospheric eddy transports.
237    C        J. Climate 7(12), 1870-1882
238    o Will need long integration testing.
239    checkpoint53b_pre
240    
241    o created pkg/mom_common in preparation for variable viscosity code
242    o renamed and split ini_mnc_io
243    o pkg/land: only liquid water can diffuse or run-off
244    o AIM using land: soil wetness availability account for snow
245    o added printMapIncludesZeros to EEPARMS namelist
246    
247    checkpoint53a_post
248    o restore TAMC compatiility for exf_constants.h
249      (no usage of _d in .h)
250    o Additional storing in KPP in an attempt to fix
251      TAMC problem with adjoint of KPP code.
252      (no success...)
253      Identical code works fine with TAF.
254    o Fixed verification/natl_box_adjoint experiments.
255      Initial conditions for Experiments 4 and 5 are now
256      set to "SEAICE_initialHEFF=0", which is more reasonable,
257      and hence gives results closer to that of Experiment 2.
258      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
259    
260    checkpoint53
261    o stable checkpoint with up to date adjoint
262      TLM tests only run for 1st grdchk at the moment. Its unclear if
263      this is a code problem or a problem with resetting code for g_
264      variables that is being autogenerated wrong.
265      Otherwise:
266       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
267       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
268         are both still in chaos following their security messes.
269    
270    checkpoint52n_post
271    o various build (mostly genmake2) changes including:
272      - ability to build/run more easily within Cygwin and MacOS X
273      - more complicated Makefiles with a stronger dependence on Gnu Make
274    o pkg/seaice modifications
275      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
276        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
277        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
278      - changed proxy for geostrophic velocity and updated
279        verification/lab_sea/results/* accordingly
280      - removed ADI dynamic solver from pkg/seaice
281      - replaced all occurrences of 1/CSTICE or 1/CSUICE
282        they caused a segmentation fault under certain circumstances
283      - removed unused field WATR
284    o bug fix in exf-package:
285      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
286         now reflect that.
287    o small fixes in the cal-package:
288      - set reference date to first of January for the 'model'-calendar
289      - failing of cal_CheckDate in cal_FullDate now actually results in a
290        warning
291    o small modifications in exf-package to increase flexibility:
292      - change climtempfreeze from a constant to a runtime parameter that
293        is specified in data.exf_clim (default = -1.9)
294      - introduce runtime parameter windstressmax (default = 2.0) that is
295        specified in data.exf
296    o fix in pkg/thsice:
297      - update Evap (Tsf changes) to be consistent with Latent heat flux
298      - maintain snow precipitation unchanged (even if Tsf >=0).
299     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
300    
301    checkpoint52m_post
302    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
303      this does not change any of the results, because myIter=0 in swfrac always
304      lead to jwtype=2 (the default anyway), but the call makes little sense
305      as a default
306    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
307    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
308      atmospheric model (AIM) to use it ; add a "slab ocean" component.
309    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
310    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
311    o extending useSingleCpuIO option to work with new exch2 I/O format
312      - old-style, missing-tile I/O is still accessible by defining CPP
313        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
314    o monitor package can write to NetCDF files and/or STDOUT
315    o fix re-definition bug in MNC_GRID_INIT_ALL()
316    o doc/api_reference added
317      - a framework for building an API Reference Manual using all
318        the "protex" comments embedded in the code
319      - see pkg/generic_advdiff, pkg/mnc for examples
320    o MNC:
321      - make myThid the last argument for all subroutines
322      - new default for the grid files: NO halos
323      - add useMNC and other run-time flags
324      - separate per-file-group handling of the unlimited dimension
325      - early initialization of MNC w/ flags read at the eeboot stage
326        and lookup tables set in initialize_fixed
327      - write all MNC output to a freshly-created directory
328    o thermodynamics sea-ice (thsice) is now tested with testreport.
329    o test exp. advect_cs: use the standard cs32 grid ; update output.
330    o Added functionality to grdchk:
331      pick global i,j,k position (or nearest wet) where to perform check.
332    
333    checkpoint52l_post
334    o new land formulation:
335      a) use ground enthalpy as prognostic variable to ensure exact
336         energy conservation.
337      b) account for water temperature and for latent heat of freezing
338         in all processes (rain, run-off, ground storage)
339      c) compute surface and ground temperature implicitly.
340    o aim_v23 modification for new land model:
341      a) Treat separately land / ocean / sea-ice surface fluxes
342         to allow implicit computation of land & sea-ice surface temp.
343      b) add snow precipitation.
344    checkpoint52l_pre
345    
346    o fix problem (when 1 tile is empty) in min/max monitor.
347    o fix bug in timeAve (u,vZetatave in common block)
348    o no restoring terms under ice for pkg/seaice
349    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
350    o bug fix for pkg/seaice pickups
351    o change MNC call locations and add coordinate attributes
352    o mask vorticity at the corner ; affects global_ocean.cs output
353    o fix ini_curvilinear_grid ; test CS experiments with mpi
354    o aim.5l_cs: modify sea-ice fraction input file ; update output
355    o exf: Adding simple range check routine for exf fields after read
356    
357    checkpoint52k_post
358    o removed top-level directory "diags"
359      - we migrated these functions to pkg/timeave a long time ago
360    o fixed bug introduced in pkg/monitor
361    o accuracy ctrlprec = 32 insuffient for gradient checks using
362      averaged fields (I/O via cost_averages)
363      -> use ctrl.h in active_file*.F to control I/O precision.
364    o paramter list of CALL ADTHE_MAIN_LOOP
365    o added initial do_the_model_io to ecco
366    o set all ...Freq to zero after cost_final
367      taveFreq, dumpFreq, pChkptFreq
368    o MAIN and ECCO differentiability restored
369    
370    checkpoint52j_post
371    o fix nchklev in tamc.h for global_ocean...
372    o Bringing flow and store directives up-to-date
373    o Really weird thing!
374      call do_the_model_io from the_main_loop with parameters
375      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
376      TAF places a faulty re-call of initialise_varia
377      after cost_final call which should not be there!
378    checkpoint52j_pre
379    
380    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
381      error messages
382    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
383    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
384      debug output
385    o modfied mdsio_writefield.F to handle non-global files under exch2
386    o update AIM Cubed-Sphere exp (aim.5l_cs):
387      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
388    o update AIM Equatorial Channel exp:
389      use standard aim_v23 pkg and change the SST fields to be more realistic.
390    o globalFile now works with exch2
391    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
392      mon_vort3.F to make exch2 friendly with >1 tile per cube face
393    o limit timeave output for hi-res integrations
394    
395    checkpoint52i_post
396    o removed CPP_EEOPTIONS.h from verification/*/code
397    o updated the tiling for global_ocean_pressure
398    checkpoint52i_pre
399    
400    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
401      the old pkg/aim).
402    
403    checkpoint52h_pre
404    o shortened offending lines in exch2_send_rx?.template
405    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
406  o genmake2: add build & execute test for NetCDF code  o genmake2: add build & execute test for NetCDF code
407  o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed  o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
408    old grid files, moved CPP_EEMACROS.h to pkg/exch2    old grid files, moved CPP_EEMACROS.h to pkg/exch2
409  o added useSingleCPUIO flag to monitor.F and mon_out.F  o added useSingleCPUIO flag to monitor.F and mon_out.F
410    o added temporary hack for sea-ice dynamics on the cube:
411      metric terms are ignored and it is assumed that
412      there is no sea-ice on cube faces 1, 2, 4, and 5.
413    
414  checkpoint52f_post  checkpoint52f_post
415  o added exch2 cube routines to pkg/exch2  o added exch2 cube routines to pkg/exch2

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