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revision 1.268 by jmc, Fri Mar 12 20:57:21 2004 UTC revision 1.363 by edhill, Thu Oct 7 19:31:14 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    o further mnc-ification
7      - add verification/lab_sea to the list with mnc setups
8      - fix undefined mnc v-names in cd_code
9      - add kpp to mnc output (both snapshot and timeave)
10    o non-hydrostatic code
11      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
12        in calc_gw.F
13      - defaults to viscAh
14      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
15        friction or Leith) in non-hydrostatic mode, as long as there is
16        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
17    o pkg/cost
18      extend simple cost functions to treat time mean quantities
19      (T,U,V) via cost_accumulate_state from cost_tile
20    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
21        be 2 times larger than the minimum size the advection scheme requires.
22        now get a perfect conservation of salt in advect_cs test-exp (updated)
23    o GGL90 (Gaspar's TKE mixed layer)
24      - add horizontal diffusion of TKE, requires exchanges in
25        do_fields_blocking_exchanges, horizontal diffusivity is zero by
26        default. In OPA there is no horizontal diffusion of TKE but the
27        mixing coefficients are computed from a horizontal average of TKE of
28        6 points or so. I think that diffusion has a little more physical
29        justification.
30      - clean up ggl90_calc in the hope of reducing memory usage (this hope
31        was in vain)
32      - mask tke-variable in ggl90_init
33    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
34    o fix biharmonic diffusion on CS-grid.
35    o more obcs stuff
36      - added obcs_external_fields_load as an alternative to the EXF-pkg option
37        for reading boundary values. This routine is called from
38        obcs_prescribe_read
39      - updated obcs_check
40      - changed sponge layer relaxation parameter units for days to seconds
41      - turned off sponge layer by default
42      - changed argument list of OBCS_CALC to myTime+deltaTclock
43      - fixed about 35 bugs in obcs_external_fields_load
44    
45    checkpoint55c_post
46    o obcs stuff
47      - new runtime flags useOBCSprescribe, useOBCSbalance
48      - re-arranged obcs_calc
49      - moved exf_getobcs to obcs_prescibe_read
50        obcs_prescibe_read is called after ORLANSKI stuff
51        and independent of it (executable can contain all).
52      - updated obcs_check
53      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
54        These may be necessary only if tangential velocities are
55        prescribed at OB, not sure, needs testing.
56    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
57      which simplifies the calls and passes the ifc check-bounds test
58    
59    checkpoint55b_post
60    o add a 2D scalar, Z location, exchange_2 routine.
61    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
62      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
63      affects advect_cs results (for the wrong reason): update output.txt
64    o use a more standard discretization for biharmonic viscosity ;
65     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
66      affects results of dome set-up: update output.txt
67    o fix gad_advection.F (CubedSphere part), back to version 1.23
68    o fix bug in mom_vi_del2uv.F (CubedSphere part).
69    
70    checkpoint55a_post
71    o merged code to
72      * prescribe/read time-dependent open boundaries
73        (works in conjunction with exf, cal)
74      * sponge layer code for open boundaries
75      * each boundary N/S/E/W now has its own CPP option
76        (healthy for the adjoint)
77    
78    checkpoint55
79    o up-to-date adjoint of previous breaks
80      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
81      - global_ocean_ebm: adjoint still needs fix (TLM ok)
82      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
83      - carbon: * remove tr1-related adjoint verification
84                * add ptracer as control variable
85    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
86      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
87    
88    checkpoint54f_post
89    o in verification/carbin/ remove experiment related to
90      ALLOW_PASSIVE_TRACER (array tr1 etc)
91      code_ad/ input_ad/ results_ad
92    
93    o add two new packages
94      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
95        + subject to optimization (memory)
96      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
97        + subject to reordering (many GOTOs in the original code)
98        + so far opps is called for every (i,j) point, and then operates in
99          the vertical; one may want to reorder the scheme in order operate in
100          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
101          fields)
102    o overhaul of IO so that we now have flags for MDSIO and/or MNC
103      - all verification tests compile and run with linux_ia32_g77
104      - defaults are compatible with current input files--nothing
105        should change if you were not previously using MNC
106      - MNC output has been added in numerous places (eg. timeave)
107        but there are still a few writes not yet do-able with MNC
108        (this is in progress)
109      - flags now allow for either/or/both use of MDSIO and MNC and
110        documentation will soon follow
111      - numerous small formatting cleanups for ProTeX
112    o add version info (via BUILD_INFO.h) to MNC and stdout
113    
114    checkpoint54e_post
115    o add two new packages
116      - pp81 (Packanowski and Philander, 1981), Richardson number and
117        stratification dependent mixing
118      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
119      - these scheme operate in a similar manner as KPP (without ghat, of
120        course), however there is only one diffusivity that is used for both
121        temperature and salinity (and passive tracers)ç
122    o add offline package
123    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
124      provided by Stephanie Dutkiewicz
125    o genmake2: add ability to search for C compilers and cleanup test output
126      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
127    
128    checkpoint54d_post
129    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
130    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
131      leading to additional shift by 5 days each year of integration
132       (i.e. leading to considerable offset over the years)
133    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
134    o start with no AB and no initial filtering (staggerTimeStep):
135      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
136    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
137      (external loading & cpl import/export stay in forward_step.F)
138    o update coupling interface to work with new staggerTimeStep
139    o change MDSIO ptracers_pickup.
140    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
141    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
142    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
143    
144    checkpoint54c_post
145    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
146      this affects (truncation error) output.txt of test-exp:
147       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
148    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
149    o change Qnet to always be the net heat flux, (+upward).
150      affects (truncation error) output of natl_box exp.: updated
151    o define the max number of passive tracers in PTRACERS_SIZE.h
152    o start to test mnc routinely in exp0
153    o add sea-ice loading (sIceLoad) as a new forcing field.
154    
155    checkpoint54b_post
156    o add testreport "-j JOBS" option for parallel builds (tested and pretty
157       impressive on Altix and Opteron systems)
158    o diagnostics can now write NetCDF files through the mnc package
159    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
160    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
161    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
162      affects (truncation error) output of lab_sea & natl_box exp.: updated
163    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
164    
165    checkpoint54a_post
166    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
167    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
168    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
169    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
170      + internal_wave (shift in writing cg2d_ini_res)
171    checkpoint54a_pre
172    
173    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
174      - modified verification/lab_sea and natl_box_adjoint accordingly
175    
176    checkpoint54
177    checkpoint53g_post
178    o prepare splitting of thermodynamics: store convect.counter in common block
179    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
180      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
181    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
182    o new parameter "nShapS": allow to treat differently S from T (nShapT)
183    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
184    o restore adjointability
185    
186    checkpoint53f_post
187    o modifications that affect AIM experiment results (update output.txt):
188      - no advection of S at top interface Nr (pkg/generic_advdiff)
189      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
190    o AIM pkg:
191      - include stability function into surf.Flux derivative relative to Tsurf
192      - calculate clear-sky radiation & surface temp. change (for diagnostics)
193    
194    checkpoint53e_post
195    o merged cylindrical coord configuration
196    o added rotating_tank experiment
197    checkpoint53e_pre
198    
199    checkpoint53d_post
200    o faulks upgraded: re-generate output.txt that have changed:
201       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
202    o Added Bryan and Lewis, 1979, vertical diffusivity profile
203    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
204    o added Sadourny discretization of Coriolis
205      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
206      - re-enabled use of omega3 (useAbsVorticity)
207    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
208      vector-invariant equations
209      - note: does *NOT* yet use same variable visc. for no-slip BC's.
210    o recoded the lateral boundary conditions for non-hydrostatic w, this time
211      hopefully without new bugs
212      - still to do: biharmonic friction for non-hydrostatic w
213    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
214    o regenerated output for global_ocean_ebm (using -ieee)
215    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
216      of mom_common/
217      - simple re-arrangement of instructions within computing loop
218    checkpoint53d_pre
219    
220    checkpoint53c_post
221    o new version of coupler for AIM+thSIce and Ocean models
222     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
223     - land: change Evaporation of snow
224     - aim with thSIce: fix bug in snow-precip.
225    o changes to calc_gw.F
226     - bug fix for w^2 term near the bottom boundary
227     - (hopefully) improve the lateral slip boundary condtions for use with
228        partial/looped cells
229      - because the bug fix changes two verification experiments anyway (exp5
230        and plume on slope), change the lateral boundary condition from half slip
231        to the value of no_slip_sides
232    o ebm package wasnt quite up to the parallel task. Fixed that.
233    o Adjoint of EBM package + verification
234      * TLM OK
235      * ADM not sufficient accuracy yet (needs further testing)
236    
237    checkpoint53b_post
238    o Commiting new energy balance model to repository
239      * package is pkg/ebm
240      * verif. is verification/global_ocean_ebm
241      * references are in ebm_driver.F
242    C      * X. Wang, P. Stone and J. Marotzke, 1999:
243    C        Global thermohaline circulation. Part I:
244    C        Sensitivity to atmospheric moisture transport.
245    C        J. Climate 12(1), 71-82
246    C      * X. Wang, P. Stone and J. Marotzke, 1999:
247    C        Global thermohaline circulation. Part II:
248    C        Sensitivity with interactive transport.
249    C        J. Climate 12(1), 83-91
250    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
251    C        Destabilization of the thermohaline circulation
252    C        by atmospheric eddy transports.
253    C        J. Climate 7(12), 1870-1882
254    o Will need long integration testing.
255    checkpoint53b_pre
256    
257    o created pkg/mom_common in preparation for variable viscosity code
258    o renamed and split ini_mnc_io
259    o pkg/land: only liquid water can diffuse or run-off
260    o AIM using land: soil wetness availability account for snow
261    o added printMapIncludesZeros to EEPARMS namelist
262    
263    checkpoint53a_post
264    o restore TAMC compatiility for exf_constants.h
265      (no usage of _d in .h)
266    o Additional storing in KPP in an attempt to fix
267      TAMC problem with adjoint of KPP code.
268      (no success...)
269      Identical code works fine with TAF.
270    o Fixed verification/natl_box_adjoint experiments.
271      Initial conditions for Experiments 4 and 5 are now
272      set to "SEAICE_initialHEFF=0", which is more reasonable,
273      and hence gives results closer to that of Experiment 2.
274      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
275    
276    checkpoint53
277    o stable checkpoint with up to date adjoint
278      TLM tests only run for 1st grdchk at the moment. Its unclear if
279      this is a code problem or a problem with resetting code for g_
280      variables that is being autogenerated wrong.
281      Otherwise:
282       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
283       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
284         are both still in chaos following their security messes.
285    
286    checkpoint52n_post
287    o various build (mostly genmake2) changes including:
288      - ability to build/run more easily within Cygwin and MacOS X
289      - more complicated Makefiles with a stronger dependence on Gnu Make
290    o pkg/seaice modifications
291      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
292        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
293        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
294      - changed proxy for geostrophic velocity and updated
295        verification/lab_sea/results/* accordingly
296      - removed ADI dynamic solver from pkg/seaice
297      - replaced all occurrences of 1/CSTICE or 1/CSUICE
298        they caused a segmentation fault under certain circumstances
299      - removed unused field WATR
300    o bug fix in exf-package:
301      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
302         now reflect that.
303    o small fixes in the cal-package:
304      - set reference date to first of January for the 'model'-calendar
305      - failing of cal_CheckDate in cal_FullDate now actually results in a
306        warning
307    o small modifications in exf-package to increase flexibility:
308      - change climtempfreeze from a constant to a runtime parameter that
309        is specified in data.exf_clim (default = -1.9)
310      - introduce runtime parameter windstressmax (default = 2.0) that is
311        specified in data.exf
312    o fix in pkg/thsice:
313      - update Evap (Tsf changes) to be consistent with Latent heat flux
314      - maintain snow precipitation unchanged (even if Tsf >=0).
315     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
316    
317    checkpoint52m_post
318    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
319      this does not change any of the results, because myIter=0 in swfrac always
320      lead to jwtype=2 (the default anyway), but the call makes little sense
321      as a default
322    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
323    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
324      atmospheric model (AIM) to use it ; add a "slab ocean" component.
325    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
326    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
327    o extending useSingleCpuIO option to work with new exch2 I/O format
328      - old-style, missing-tile I/O is still accessible by defining CPP
329        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
330    o monitor package can write to NetCDF files and/or STDOUT
331    o fix re-definition bug in MNC_GRID_INIT_ALL()
332    o doc/api_reference added
333      - a framework for building an API Reference Manual using all
334        the "protex" comments embedded in the code
335      - see pkg/generic_advdiff, pkg/mnc for examples
336    o MNC:
337      - make myThid the last argument for all subroutines
338      - new default for the grid files: NO halos
339      - add useMNC and other run-time flags
340      - separate per-file-group handling of the unlimited dimension
341      - early initialization of MNC w/ flags read at the eeboot stage
342        and lookup tables set in initialize_fixed
343      - write all MNC output to a freshly-created directory
344  o thermodynamics sea-ice (thsice) is now tested with testreport.  o thermodynamics sea-ice (thsice) is now tested with testreport.
345  o test exp. advect_cs: use the standard cs32 grid ; update output.  o test exp. advect_cs: use the standard cs32 grid ; update output.
346    o Added functionality to grdchk:
347      pick global i,j,k position (or nearest wet) where to perform check.
348    
349  checkpoint52l_post  checkpoint52l_post
350  o new land formulation:  o new land formulation:

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