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revision 1.271 by heimbach, Tue Mar 23 19:47:05 2004 UTC revision 1.357 by mlosch, Mon Sep 27 09:01:16 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 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      - changed sponge layer relaxation parameter units for days to seconds
24      - turned off sponge layer by default
25    
26    checkpoint55c_post
27    o obcs stuff
28      - new runtime flags useOBCSprescribe, useOBCSbalance
29      - re-arranged obcs_calc
30      - moved exf_getobcs to obcs_prescibe_read
31        obcs_prescibe_read is called after ORLANSKI stuff
32        and independent of it (executable can contain all).
33      - updated obcs_check
34      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
35        These may be necessary only if tangential velocities are
36        prescribed at OB, not sure, needs testing.
37    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
38      which simplifies the calls and passes the ifc check-bounds test
39    
40    checkpoint55b_post
41    o add a 2D scalar, Z location, exchange_2 routine.
42    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
43      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
44      affects advect_cs results (for the wrong reason): update output.txt
45    o use a more standard discretization for biharmonic viscosity ;
46     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
47      affects results of dome set-up: update output.txt
48    o fix gad_advection.F (CubedSphere part), back to version 1.23
49    o fix bug in mom_vi_del2uv.F (CubedSphere part).
50    
51    checkpoint55a_post
52    o merged code to
53      * prescribe/read time-dependent open boundaries
54        (works in conjunction with exf, cal)
55      * sponge layer code for open boundaries
56      * each boundary N/S/E/W now has its own CPP option
57        (healthy for the adjoint)
58    
59    checkpoint55
60    o up-to-date adjoint of previous breaks
61      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
62      - global_ocean_ebm: adjoint still needs fix (TLM ok)
63      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
64      - carbon: * remove tr1-related adjoint verification
65                * add ptracer as control variable
66    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
67      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
68    
69    checkpoint54f_post
70    o in verification/carbin/ remove experiment related to
71      ALLOW_PASSIVE_TRACER (array tr1 etc)
72      code_ad/ input_ad/ results_ad
73    
74    o add two new packages
75      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
76        + subject to optimization (memory)
77      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
78        + subject to reordering (many GOTOs in the original code)
79        + so far opps is called for every (i,j) point, and then operates in
80          the vertical; one may want to reorder the scheme in order operate in
81          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
82          fields)
83    o overhaul of IO so that we now have flags for MDSIO and/or MNC
84      - all verification tests compile and run with linux_ia32_g77
85      - defaults are compatible with current input files--nothing
86        should change if you were not previously using MNC
87      - MNC output has been added in numerous places (eg. timeave)
88        but there are still a few writes not yet do-able with MNC
89        (this is in progress)
90      - flags now allow for either/or/both use of MDSIO and MNC and
91        documentation will soon follow
92      - numerous small formatting cleanups for ProTeX
93    o add version info (via BUILD_INFO.h) to MNC and stdout
94    
95    checkpoint54e_post
96    o add two new packages
97      - pp81 (Packanowski and Philander, 1981), Richardson number and
98        stratification dependent mixing
99      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
100      - these scheme operate in a similar manner as KPP (without ghat, of
101        course), however there is only one diffusivity that is used for both
102        temperature and salinity (and passive tracers)ç
103    o add offline package
104    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
105      provided by Stephanie Dutkiewicz
106    o genmake2: add ability to search for C compilers and cleanup test output
107      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
108    
109    checkpoint54d_post
110    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
111    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
112      leading to additional shift by 5 days each year of integration
113       (i.e. leading to considerable offset over the years)
114    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
115    o start with no AB and no initial filtering (staggerTimeStep):
116      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
117    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
118      (external loading & cpl import/export stay in forward_step.F)
119    o update coupling interface to work with new staggerTimeStep
120    o change MDSIO ptracers_pickup.
121    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
122    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
123    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
124    
125    checkpoint54c_post
126    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
127      this affects (truncation error) output.txt of test-exp:
128       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
129    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
130    o change Qnet to always be the net heat flux, (+upward).
131      affects (truncation error) output of natl_box exp.: updated
132    o define the max number of passive tracers in PTRACERS_SIZE.h
133    o start to test mnc routinely in exp0
134    o add sea-ice loading (sIceLoad) as a new forcing field.
135    
136    checkpoint54b_post
137    o add testreport "-j JOBS" option for parallel builds (tested and pretty
138       impressive on Altix and Opteron systems)
139    o diagnostics can now write NetCDF files through the mnc package
140    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
141    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
142    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
143      affects (truncation error) output of lab_sea & natl_box exp.: updated
144    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
145    
146    checkpoint54a_post
147    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
148    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
149    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
150    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
151      + internal_wave (shift in writing cg2d_ini_res)
152    checkpoint54a_pre
153    
154    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
155      - modified verification/lab_sea and natl_box_adjoint accordingly
156    
157    checkpoint54
158    checkpoint53g_post
159    o prepare splitting of thermodynamics: store convect.counter in common block
160    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
161      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
162    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
163    o new parameter "nShapS": allow to treat differently S from T (nShapT)
164    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
165    o restore adjointability
166    
167    checkpoint53f_post
168    o modifications that affect AIM experiment results (update output.txt):
169      - no advection of S at top interface Nr (pkg/generic_advdiff)
170      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
171    o AIM pkg:
172      - include stability function into surf.Flux derivative relative to Tsurf
173      - calculate clear-sky radiation & surface temp. change (for diagnostics)
174    
175    checkpoint53e_post
176    o merged cylindrical coord configuration
177    o added rotating_tank experiment
178    checkpoint53e_pre
179    
180    checkpoint53d_post
181    o faulks upgraded: re-generate output.txt that have changed:
182       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
183    o Added Bryan and Lewis, 1979, vertical diffusivity profile
184    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
185    o added Sadourny discretization of Coriolis
186      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
187      - re-enabled use of omega3 (useAbsVorticity)
188    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
189      vector-invariant equations
190      - note: does *NOT* yet use same variable visc. for no-slip BC's.
191    o recoded the lateral boundary conditions for non-hydrostatic w, this time
192      hopefully without new bugs
193      - still to do: biharmonic friction for non-hydrostatic w
194    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
195    o regenerated output for global_ocean_ebm (using -ieee)
196    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
197      of mom_common/
198      - simple re-arrangement of instructions within computing loop
199    checkpoint53d_pre
200    
201    checkpoint53c_post
202    o new version of coupler for AIM+thSIce and Ocean models
203     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
204     - land: change Evaporation of snow
205     - aim with thSIce: fix bug in snow-precip.
206    o changes to calc_gw.F
207     - bug fix for w^2 term near the bottom boundary
208     - (hopefully) improve the lateral slip boundary condtions for use with
209        partial/looped cells
210      - because the bug fix changes two verification experiments anyway (exp5
211        and plume on slope), change the lateral boundary condition from half slip
212        to the value of no_slip_sides
213    o ebm package wasnt quite up to the parallel task. Fixed that.
214    o Adjoint of EBM package + verification
215      * TLM OK
216      * ADM not sufficient accuracy yet (needs further testing)
217    
218    checkpoint53b_post
219    o Commiting new energy balance model to repository
220      * package is pkg/ebm
221      * verif. is verification/global_ocean_ebm
222      * references are in ebm_driver.F
223    C      * X. Wang, P. Stone and J. Marotzke, 1999:
224    C        Global thermohaline circulation. Part I:
225    C        Sensitivity to atmospheric moisture transport.
226    C        J. Climate 12(1), 71-82
227    C      * X. Wang, P. Stone and J. Marotzke, 1999:
228    C        Global thermohaline circulation. Part II:
229    C        Sensitivity with interactive transport.
230    C        J. Climate 12(1), 83-91
231    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
232    C        Destabilization of the thermohaline circulation
233    C        by atmospheric eddy transports.
234    C        J. Climate 7(12), 1870-1882
235    o Will need long integration testing.
236    checkpoint53b_pre
237    
238    o created pkg/mom_common in preparation for variable viscosity code
239    o renamed and split ini_mnc_io
240    o pkg/land: only liquid water can diffuse or run-off
241    o AIM using land: soil wetness availability account for snow
242    o added printMapIncludesZeros to EEPARMS namelist
243    
244    checkpoint53a_post
245    o restore TAMC compatiility for exf_constants.h
246      (no usage of _d in .h)
247    o Additional storing in KPP in an attempt to fix
248      TAMC problem with adjoint of KPP code.
249      (no success...)
250      Identical code works fine with TAF.
251    o Fixed verification/natl_box_adjoint experiments.
252      Initial conditions for Experiments 4 and 5 are now
253      set to "SEAICE_initialHEFF=0", which is more reasonable,
254      and hence gives results closer to that of Experiment 2.
255      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
256    
257    checkpoint53
258    o stable checkpoint with up to date adjoint
259      TLM tests only run for 1st grdchk at the moment. Its unclear if
260      this is a code problem or a problem with resetting code for g_
261      variables that is being autogenerated wrong.
262      Otherwise:
263       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
264       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
265         are both still in chaos following their security messes.
266    
267    checkpoint52n_post
268    o various build (mostly genmake2) changes including:
269      - ability to build/run more easily within Cygwin and MacOS X
270      - more complicated Makefiles with a stronger dependence on Gnu Make
271    o pkg/seaice modifications
272      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
273        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
274        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
275      - changed proxy for geostrophic velocity and updated
276        verification/lab_sea/results/* accordingly
277      - removed ADI dynamic solver from pkg/seaice
278      - replaced all occurrences of 1/CSTICE or 1/CSUICE
279        they caused a segmentation fault under certain circumstances
280      - removed unused field WATR
281    o bug fix in exf-package:
282      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
283         now reflect that.
284    o small fixes in the cal-package:
285      - set reference date to first of January for the 'model'-calendar
286      - failing of cal_CheckDate in cal_FullDate now actually results in a
287        warning
288    o small modifications in exf-package to increase flexibility:
289      - change climtempfreeze from a constant to a runtime parameter that
290        is specified in data.exf_clim (default = -1.9)
291      - introduce runtime parameter windstressmax (default = 2.0) that is
292        specified in data.exf
293    o fix in pkg/thsice:
294      - update Evap (Tsf changes) to be consistent with Latent heat flux
295      - maintain snow precipitation unchanged (even if Tsf >=0).
296     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
297    
298    checkpoint52m_post
299    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
300      this does not change any of the results, because myIter=0 in swfrac always
301      lead to jwtype=2 (the default anyway), but the call makes little sense
302      as a default
303    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
304    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
305      atmospheric model (AIM) to use it ; add a "slab ocean" component.
306    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
307    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
308    o extending useSingleCpuIO option to work with new exch2 I/O format
309      - old-style, missing-tile I/O is still accessible by defining CPP
310        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
311    o monitor package can write to NetCDF files and/or STDOUT
312    o fix re-definition bug in MNC_GRID_INIT_ALL()
313    o doc/api_reference added
314      - a framework for building an API Reference Manual using all
315        the "protex" comments embedded in the code
316      - see pkg/generic_advdiff, pkg/mnc for examples
317  o MNC:  o MNC:
318    - make myThid the last argument for all subroutines    - make myThid the last argument for all subroutines
319    - new default for the grid files: NO halos    - new default for the grid files: NO halos

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