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revision 1.275 by jmc, Thu Apr 8 00:25:10 2004 UTC revision 1.364 by edhill, Fri Oct 8 17:03:43 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 ability of MNC to write local and "partial" (eg. 2D slices where
7      the full 3D field is never actually stored) arrays to NetCDF files
8      with the correct (that is, the complete multi-dimensional) set of
9      array indicies
10      - used in mom_vecinv() to write the diagFreq output
11      - tested (demonstrated) in verification/aim.5l_cs
12    o further mnc-ification
13      - add verification/lab_sea to the list with mnc setups
14      - fix undefined mnc v-names in cd_code
15      - add kpp to mnc output (both snapshot and timeave)
16    o non-hydrostatic code
17      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
18        in calc_gw.F
19      - defaults to viscAh
20      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
21        friction or Leith) in non-hydrostatic mode, as long as there is
22        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
23    o pkg/cost
24      extend simple cost functions to treat time mean quantities
25      (T,U,V) via cost_accumulate_state from cost_tile
26    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
27        be 2 times larger than the minimum size the advection scheme requires.
28        now get a perfect conservation of salt in advect_cs test-exp (updated)
29    o GGL90 (Gaspar's TKE mixed layer)
30      - add horizontal diffusion of TKE, requires exchanges in
31        do_fields_blocking_exchanges, horizontal diffusivity is zero by
32        default. In OPA there is no horizontal diffusion of TKE but the
33        mixing coefficients are computed from a horizontal average of TKE of
34        6 points or so. I think that diffusion has a little more physical
35        justification.
36      - clean up ggl90_calc in the hope of reducing memory usage (this hope
37        was in vain)
38      - mask tke-variable in ggl90_init
39    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
40    o fix biharmonic diffusion on CS-grid.
41    o more obcs stuff
42      - added obcs_external_fields_load as an alternative to the EXF-pkg option
43        for reading boundary values. This routine is called from
44        obcs_prescribe_read
45      - updated obcs_check
46      - changed sponge layer relaxation parameter units for days to seconds
47      - turned off sponge layer by default
48      - changed argument list of OBCS_CALC to myTime+deltaTclock
49      - fixed about 35 bugs in obcs_external_fields_load
50    
51    checkpoint55c_post
52    o obcs stuff
53      - new runtime flags useOBCSprescribe, useOBCSbalance
54      - re-arranged obcs_calc
55      - moved exf_getobcs to obcs_prescibe_read
56        obcs_prescibe_read is called after ORLANSKI stuff
57        and independent of it (executable can contain all).
58      - updated obcs_check
59      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
60        These may be necessary only if tangential velocities are
61        prescribed at OB, not sure, needs testing.
62    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
63      which simplifies the calls and passes the ifc check-bounds test
64    
65    checkpoint55b_post
66    o add a 2D scalar, Z location, exchange_2 routine.
67    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
68      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
69      affects advect_cs results (for the wrong reason): update output.txt
70    o use a more standard discretization for biharmonic viscosity ;
71     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
72      affects results of dome set-up: update output.txt
73    o fix gad_advection.F (CubedSphere part), back to version 1.23
74    o fix bug in mom_vi_del2uv.F (CubedSphere part).
75    
76    checkpoint55a_post
77    o merged code to
78      * prescribe/read time-dependent open boundaries
79        (works in conjunction with exf, cal)
80      * sponge layer code for open boundaries
81      * each boundary N/S/E/W now has its own CPP option
82        (healthy for the adjoint)
83    
84    checkpoint55
85    o up-to-date adjoint of previous breaks
86      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
87      - global_ocean_ebm: adjoint still needs fix (TLM ok)
88      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
89      - carbon: * remove tr1-related adjoint verification
90                * add ptracer as control variable
91    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
92      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
93    
94    checkpoint54f_post
95    o in verification/carbin/ remove experiment related to
96      ALLOW_PASSIVE_TRACER (array tr1 etc)
97      code_ad/ input_ad/ results_ad
98    
99    o add two new packages
100      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
101        + subject to optimization (memory)
102      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
103        + subject to reordering (many GOTOs in the original code)
104        + so far opps is called for every (i,j) point, and then operates in
105          the vertical; one may want to reorder the scheme in order operate in
106          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
107          fields)
108    o overhaul of IO so that we now have flags for MDSIO and/or MNC
109      - all verification tests compile and run with linux_ia32_g77
110      - defaults are compatible with current input files--nothing
111        should change if you were not previously using MNC
112      - MNC output has been added in numerous places (eg. timeave)
113        but there are still a few writes not yet do-able with MNC
114        (this is in progress)
115      - flags now allow for either/or/both use of MDSIO and MNC and
116        documentation will soon follow
117      - numerous small formatting cleanups for ProTeX
118    o add version info (via BUILD_INFO.h) to MNC and stdout
119    
120    checkpoint54e_post
121    o add two new packages
122      - pp81 (Packanowski and Philander, 1981), Richardson number and
123        stratification dependent mixing
124      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
125      - these scheme operate in a similar manner as KPP (without ghat, of
126        course), however there is only one diffusivity that is used for both
127        temperature and salinity (and passive tracers)ç
128    o add offline package
129    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
130      provided by Stephanie Dutkiewicz
131    o genmake2: add ability to search for C compilers and cleanup test output
132      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
133    
134    checkpoint54d_post
135    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
136    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
137      leading to additional shift by 5 days each year of integration
138       (i.e. leading to considerable offset over the years)
139    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
140    o start with no AB and no initial filtering (staggerTimeStep):
141      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
142    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
143      (external loading & cpl import/export stay in forward_step.F)
144    o update coupling interface to work with new staggerTimeStep
145    o change MDSIO ptracers_pickup.
146    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
147    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
148    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
149    
150    checkpoint54c_post
151    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
152      this affects (truncation error) output.txt of test-exp:
153       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
154    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
155    o change Qnet to always be the net heat flux, (+upward).
156      affects (truncation error) output of natl_box exp.: updated
157    o define the max number of passive tracers in PTRACERS_SIZE.h
158    o start to test mnc routinely in exp0
159    o add sea-ice loading (sIceLoad) as a new forcing field.
160    
161    checkpoint54b_post
162    o add testreport "-j JOBS" option for parallel builds (tested and pretty
163       impressive on Altix and Opteron systems)
164    o diagnostics can now write NetCDF files through the mnc package
165    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
166    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
167    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
168      affects (truncation error) output of lab_sea & natl_box exp.: updated
169    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
170    
171    checkpoint54a_post
172    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
173    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
174    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
175    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
176      + internal_wave (shift in writing cg2d_ini_res)
177    checkpoint54a_pre
178    
179    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
180      - modified verification/lab_sea and natl_box_adjoint accordingly
181    
182    checkpoint54
183    checkpoint53g_post
184    o prepare splitting of thermodynamics: store convect.counter in common block
185    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
186      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
187    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
188    o new parameter "nShapS": allow to treat differently S from T (nShapT)
189    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
190    o restore adjointability
191    
192    checkpoint53f_post
193    o modifications that affect AIM experiment results (update output.txt):
194      - no advection of S at top interface Nr (pkg/generic_advdiff)
195      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
196    o AIM pkg:
197      - include stability function into surf.Flux derivative relative to Tsurf
198      - calculate clear-sky radiation & surface temp. change (for diagnostics)
199    
200    checkpoint53e_post
201    o merged cylindrical coord configuration
202    o added rotating_tank experiment
203    checkpoint53e_pre
204    
205    checkpoint53d_post
206    o faulks upgraded: re-generate output.txt that have changed:
207       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
208    o Added Bryan and Lewis, 1979, vertical diffusivity profile
209    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
210    o added Sadourny discretization of Coriolis
211      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
212      - re-enabled use of omega3 (useAbsVorticity)
213    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
214      vector-invariant equations
215      - note: does *NOT* yet use same variable visc. for no-slip BC's.
216    o recoded the lateral boundary conditions for non-hydrostatic w, this time
217      hopefully without new bugs
218      - still to do: biharmonic friction for non-hydrostatic w
219    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
220    o regenerated output for global_ocean_ebm (using -ieee)
221    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
222      of mom_common/
223      - simple re-arrangement of instructions within computing loop
224    checkpoint53d_pre
225    
226    checkpoint53c_post
227    o new version of coupler for AIM+thSIce and Ocean models
228     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
229     - land: change Evaporation of snow
230     - aim with thSIce: fix bug in snow-precip.
231    o changes to calc_gw.F
232     - bug fix for w^2 term near the bottom boundary
233     - (hopefully) improve the lateral slip boundary condtions for use with
234        partial/looped cells
235      - because the bug fix changes two verification experiments anyway (exp5
236        and plume on slope), change the lateral boundary condition from half slip
237        to the value of no_slip_sides
238    o ebm package wasnt quite up to the parallel task. Fixed that.
239    o Adjoint of EBM package + verification
240      * TLM OK
241      * ADM not sufficient accuracy yet (needs further testing)
242    
243    checkpoint53b_post
244    o Commiting new energy balance model to repository
245      * package is pkg/ebm
246      * verif. is verification/global_ocean_ebm
247      * references are in ebm_driver.F
248    C      * X. Wang, P. Stone and J. Marotzke, 1999:
249    C        Global thermohaline circulation. Part I:
250    C        Sensitivity to atmospheric moisture transport.
251    C        J. Climate 12(1), 71-82
252    C      * X. Wang, P. Stone and J. Marotzke, 1999:
253    C        Global thermohaline circulation. Part II:
254    C        Sensitivity with interactive transport.
255    C        J. Climate 12(1), 83-91
256    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
257    C        Destabilization of the thermohaline circulation
258    C        by atmospheric eddy transports.
259    C        J. Climate 7(12), 1870-1882
260    o Will need long integration testing.
261    checkpoint53b_pre
262    
263    o created pkg/mom_common in preparation for variable viscosity code
264    o renamed and split ini_mnc_io
265    o pkg/land: only liquid water can diffuse or run-off
266    o AIM using land: soil wetness availability account for snow
267    o added printMapIncludesZeros to EEPARMS namelist
268    
269    checkpoint53a_post
270    o restore TAMC compatiility for exf_constants.h
271      (no usage of _d in .h)
272    o Additional storing in KPP in an attempt to fix
273      TAMC problem with adjoint of KPP code.
274      (no success...)
275      Identical code works fine with TAF.
276    o Fixed verification/natl_box_adjoint experiments.
277      Initial conditions for Experiments 4 and 5 are now
278      set to "SEAICE_initialHEFF=0", which is more reasonable,
279      and hence gives results closer to that of Experiment 2.
280      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
281    
282    checkpoint53
283    o stable checkpoint with up to date adjoint
284      TLM tests only run for 1st grdchk at the moment. Its unclear if
285      this is a code problem or a problem with resetting code for g_
286      variables that is being autogenerated wrong.
287      Otherwise:
288       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
289       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
290         are both still in chaos following their security messes.
291    
292    checkpoint52n_post
293    o various build (mostly genmake2) changes including:
294      - ability to build/run more easily within Cygwin and MacOS X
295      - more complicated Makefiles with a stronger dependence on Gnu Make
296    o pkg/seaice modifications
297      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
298        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
299        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
300      - changed proxy for geostrophic velocity and updated
301        verification/lab_sea/results/* accordingly
302      - removed ADI dynamic solver from pkg/seaice
303      - replaced all occurrences of 1/CSTICE or 1/CSUICE
304        they caused a segmentation fault under certain circumstances
305      - removed unused field WATR
306    o bug fix in exf-package:
307      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
308         now reflect that.
309    o small fixes in the cal-package:
310      - set reference date to first of January for the 'model'-calendar
311      - failing of cal_CheckDate in cal_FullDate now actually results in a
312        warning
313    o small modifications in exf-package to increase flexibility:
314      - change climtempfreeze from a constant to a runtime parameter that
315        is specified in data.exf_clim (default = -1.9)
316      - introduce runtime parameter windstressmax (default = 2.0) that is
317        specified in data.exf
318    o fix in pkg/thsice:
319      - update Evap (Tsf changes) to be consistent with Latent heat flux
320      - maintain snow precipitation unchanged (even if Tsf >=0).
321     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
322    
323    checkpoint52m_post
324    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
325      this does not change any of the results, because myIter=0 in swfrac always
326      lead to jwtype=2 (the default anyway), but the call makes little sense
327      as a default
328    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
329  o re-work pkg/thsice interface with ocean & bulk_force pkg to allow  o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
330    atmospheric model (AIM) to use it ; add a "slab ocean" component.    atmospheric model (AIM) to use it ; add a "slab ocean" component.
331  o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)  o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)

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