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revision 1.301 by adcroft, Mon May 24 14:10:02 2004 UTC revision 1.363 by edhill, Thu Oct 7 19:31:14 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 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  o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
216    of mom_common/    of mom_common/
217    - simple re-arrangement of instructions within computing loop    - simple re-arrangement of instructions within computing loop

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