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revision 1.269 by edhill, Fri Mar 19 05:15:56 2004 UTC revision 1.358 by jmc, Mon Sep 27 14:54:35 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 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:  o MNC:
321    - make myThid the last argument for all subroutines    - make myThid the last argument for all subroutines
322    - new default for the grid files: NO halos    - new default for the grid files: NO halos
323    - add useMNC run-time flag    - 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.  o thermodynamics sea-ice (thsice) is now tested with testreport.
329  o test exp. advect_cs: use the standard cs32 grid ; update output.  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  checkpoint52l_post
334  o new land formulation:  o new land formulation:

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