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revision 1.295 by heimbach, Fri May 14 21:04:01 2004 UTC revision 1.380 by dimitri, Tue Nov 2 23:57:29 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
6    o make all subroutines 30 or less characters in length for certain older
7      compilers to work (a thorough search only turns up two routines in
8      pkg/ptracers)
9    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
10      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
11    
12    checkpoint55i_post
13    o change arrays for total vertical diffusivity (2.D if explicit,
14      3.D if implicit) ; each ptracer uses its own background value.
15    o added mnc/NetCDF output capability to ocn_compon_interf
16      - added bits to verification/cpl_aim+ocn so that it can run on
17        ITRDA and other clusters without the mpirun "-wd" option
18    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
19      configuration
20    o give MNC the ability to create additional files rather than
21      exceeding a specified file size limit "MNC_MAX_FILESIZE"
22      - the default is just less than 2GB which is a practical limit
23        on many systems
24    o Compute the non-local term using either KPP vertical diffusivity (=default)
25       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
26    
27    checkpoint55h_post
28    o add verification test "vermix"
29    o remove all the *_ioinc flags and replace with the single global
30      outputTypesInclusive flag
31    o allow to set a vertical profile of vertical diffusivity for T & S
32    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
33    o useMNC moved from data.mnc to data.pkg
34    
35    checkpoint55g_post
36    o Renaming carbon AD experiments to comply with testreport conventions
37    o Updating adjoint of Held-Suarez hs94.1x64x5
38    o Fixing directives for non-ECCO forward_step, after ECCO directives
39      have been fixed to avoid recomp. of do_oceanic_phys
40      Works well for global_ocean.90x40x15,
41      but recomp. issue remains for carbon
42    o Updating adjoint output for natl_box_adjoint after
43      pkg/ecco has been modified (see taga c55d_post)
44    
45    checkpoint55f_post
46    o rename to timeave_init_fixed
47    
48    checkpoint55e_post
49    o some delicate re-shuffle of store directives to avoid one
50      extra call of do_oceanic_physics
51      affects ecco_the_main_loop.F, do_oceanic_physics.F
52      checkpoint_lev1_directives.h
53    o NB: this may break global_ocean adjoint temporarily,
54      but it is clear how to fix it. Will do later, need this now.
55    
56    checkpoint55d_post
57    o ECCO specific cost function terms (up-to-date with 1x1 runs)
58    o ecco_cost_weights is modified to 1x1 runs
59    o modifs to allow observations to be read in as
60      single file or yearly files
61    o enable to read exf forcing fields as either
62      single file or yearly files (flag useExfYearlyFields)
63    checkpoint55d_pre
64    
65    o switch between 2-level and 3-level checkpointing
66    o add ability of MNC to write local and "partial" (eg. 2D slices where
67      the full 3D field is never actually stored) arrays to NetCDF files
68      with the correct (that is, the complete multi-dimensional) set of
69      array indicies
70      - used in mom_vecinv() to write the diagFreq output
71      - tested (demonstrated) in verification/aim.5l_cs
72    o further mnc-ification
73      - add verification/lab_sea to the list with mnc setups
74      - fix undefined mnc v-names in cd_code
75      - add kpp to mnc output (both snapshot and timeave)
76    o non-hydrostatic code
77      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
78        in calc_gw.F
79      - defaults to viscAh
80      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
81        friction or Leith) in non-hydrostatic mode, as long as there is
82        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
83    o pkg/cost
84      extend simple cost functions to treat time mean quantities
85      (T,U,V) via cost_accumulate_state from cost_tile
86    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
87        be 2 times larger than the minimum size the advection scheme requires.
88        now get a perfect conservation of salt in advect_cs test-exp (updated)
89    o GGL90 (Gaspar's TKE mixed layer)
90      - add horizontal diffusion of TKE, requires exchanges in
91        do_fields_blocking_exchanges, horizontal diffusivity is zero by
92        default. In OPA there is no horizontal diffusion of TKE but the
93        mixing coefficients are computed from a horizontal average of TKE of
94        6 points or so. I think that diffusion has a little more physical
95        justification.
96      - clean up ggl90_calc in the hope of reducing memory usage (this hope
97        was in vain)
98      - mask tke-variable in ggl90_init
99    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
100    o fix biharmonic diffusion on CS-grid.
101    o more obcs stuff
102      - added obcs_external_fields_load as an alternative to the EXF-pkg option
103        for reading boundary values. This routine is called from
104        obcs_prescribe_read
105      - updated obcs_check
106      - changed sponge layer relaxation parameter units for days to seconds
107      - turned off sponge layer by default
108      - changed argument list of OBCS_CALC to myTime+deltaTclock
109      - fixed about 35 bugs in obcs_external_fields_load
110    
111    checkpoint55c_post
112    o obcs stuff
113      - new runtime flags useOBCSprescribe, useOBCSbalance
114      - re-arranged obcs_calc
115      - moved exf_getobcs to obcs_prescibe_read
116        obcs_prescibe_read is called after ORLANSKI stuff
117        and independent of it (executable can contain all).
118      - updated obcs_check
119      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
120        These may be necessary only if tangential velocities are
121        prescribed at OB, not sure, needs testing.
122    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
123      which simplifies the calls and passes the ifc check-bounds test
124    
125    checkpoint55b_post
126    o add a 2D scalar, Z location, exchange_2 routine.
127    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
128      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
129      affects advect_cs results (for the wrong reason): update output.txt
130    o use a more standard discretization for biharmonic viscosity ;
131     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
132      affects results of dome set-up: update output.txt
133    o fix gad_advection.F (CubedSphere part), back to version 1.23
134    o fix bug in mom_vi_del2uv.F (CubedSphere part).
135    
136    checkpoint55a_post
137    o merged code to
138      * prescribe/read time-dependent open boundaries
139        (works in conjunction with exf, cal)
140      * sponge layer code for open boundaries
141      * each boundary N/S/E/W now has its own CPP option
142        (healthy for the adjoint)
143    
144    checkpoint55
145    o up-to-date adjoint of previous breaks
146      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
147      - global_ocean_ebm: adjoint still needs fix (TLM ok)
148      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
149      - carbon: * remove tr1-related adjoint verification
150                * add ptracer as control variable
151    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
152      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
153    
154    checkpoint54f_post
155    o in verification/carbin/ remove experiment related to
156      ALLOW_PASSIVE_TRACER (array tr1 etc)
157      code_ad/ input_ad/ results_ad
158    
159    o add two new packages
160      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
161        + subject to optimization (memory)
162      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
163        + subject to reordering (many GOTOs in the original code)
164        + so far opps is called for every (i,j) point, and then operates in
165          the vertical; one may want to reorder the scheme in order operate in
166          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
167          fields)
168    o overhaul of IO so that we now have flags for MDSIO and/or MNC
169      - all verification tests compile and run with linux_ia32_g77
170      - defaults are compatible with current input files--nothing
171        should change if you were not previously using MNC
172      - MNC output has been added in numerous places (eg. timeave)
173        but there are still a few writes not yet do-able with MNC
174        (this is in progress)
175      - flags now allow for either/or/both use of MDSIO and MNC and
176        documentation will soon follow
177      - numerous small formatting cleanups for ProTeX
178    o add version info (via BUILD_INFO.h) to MNC and stdout
179    
180    checkpoint54e_post
181    o add two new packages
182      - pp81 (Packanowski and Philander, 1981), Richardson number and
183        stratification dependent mixing
184      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
185      - these scheme operate in a similar manner as KPP (without ghat, of
186        course), however there is only one diffusivity that is used for both
187        temperature and salinity (and passive tracers)ç
188    o add offline package
189    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
190      provided by Stephanie Dutkiewicz
191    o genmake2: add ability to search for C compilers and cleanup test output
192      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
193    
194    checkpoint54d_post
195    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
196    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
197      leading to additional shift by 5 days each year of integration
198       (i.e. leading to considerable offset over the years)
199    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
200    o start with no AB and no initial filtering (staggerTimeStep):
201      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
202    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
203      (external loading & cpl import/export stay in forward_step.F)
204    o update coupling interface to work with new staggerTimeStep
205    o change MDSIO ptracers_pickup.
206    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
207    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
208    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
209    
210    checkpoint54c_post
211    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
212      this affects (truncation error) output.txt of test-exp:
213       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
214    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
215    o change Qnet to always be the net heat flux, (+upward).
216      affects (truncation error) output of natl_box exp.: updated
217    o define the max number of passive tracers in PTRACERS_SIZE.h
218    o start to test mnc routinely in exp0
219    o add sea-ice loading (sIceLoad) as a new forcing field.
220    
221    checkpoint54b_post
222    o add testreport "-j JOBS" option for parallel builds (tested and pretty
223       impressive on Altix and Opteron systems)
224    o diagnostics can now write NetCDF files through the mnc package
225    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
226    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
227    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
228      affects (truncation error) output of lab_sea & natl_box exp.: updated
229    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
230    
231    checkpoint54a_post
232    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
233    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
234    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
235    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
236      + internal_wave (shift in writing cg2d_ini_res)
237    checkpoint54a_pre
238    
239    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
240      - modified verification/lab_sea and natl_box_adjoint accordingly
241    
242    checkpoint54
243    checkpoint53g_post
244    o prepare splitting of thermodynamics: store convect.counter in common block
245    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
246      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
247    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
248    o new parameter "nShapS": allow to treat differently S from T (nShapT)
249    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
250    o restore adjointability
251    
252    checkpoint53f_post
253    o modifications that affect AIM experiment results (update output.txt):
254      - no advection of S at top interface Nr (pkg/generic_advdiff)
255      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
256    o AIM pkg:
257      - include stability function into surf.Flux derivative relative to Tsurf
258      - calculate clear-sky radiation & surface temp. change (for diagnostics)
259    
260    checkpoint53e_post
261    o merged cylindrical coord configuration
262    o added rotating_tank experiment
263    checkpoint53e_pre
264    
265    checkpoint53d_post
266    o faulks upgraded: re-generate output.txt that have changed:
267       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
268    o Added Bryan and Lewis, 1979, vertical diffusivity profile
269    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
270    o added Sadourny discretization of Coriolis
271      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
272      - re-enabled use of omega3 (useAbsVorticity)
273    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
274      vector-invariant equations
275      - note: does *NOT* yet use same variable visc. for no-slip BC's.
276    o recoded the lateral boundary conditions for non-hydrostatic w, this time
277      hopefully without new bugs
278      - still to do: biharmonic friction for non-hydrostatic w
279    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
280    o regenerated output for global_ocean_ebm (using -ieee)
281    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
282      of mom_common/
283      - simple re-arrangement of instructions within computing loop
284    checkpoint53d_pre
285    
286    checkpoint53c_post
287    o new version of coupler for AIM+thSIce and Ocean models
288     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
289     - land: change Evaporation of snow
290     - aim with thSIce: fix bug in snow-precip.
291    o changes to calc_gw.F
292     - bug fix for w^2 term near the bottom boundary
293     - (hopefully) improve the lateral slip boundary condtions for use with
294        partial/looped cells
295      - because the bug fix changes two verification experiments anyway (exp5
296        and plume on slope), change the lateral boundary condition from half slip
297        to the value of no_slip_sides
298    o ebm package wasnt quite up to the parallel task. Fixed that.
299    o Adjoint of EBM package + verification
300      * TLM OK
301      * ADM not sufficient accuracy yet (needs further testing)
302    
303    checkpoint53b_post
304    o Commiting new energy balance model to repository
305      * package is pkg/ebm
306      * verif. is verification/global_ocean_ebm
307      * references are in ebm_driver.F
308    C      * X. Wang, P. Stone and J. Marotzke, 1999:
309    C        Global thermohaline circulation. Part I:
310    C        Sensitivity to atmospheric moisture transport.
311    C        J. Climate 12(1), 71-82
312    C      * X. Wang, P. Stone and J. Marotzke, 1999:
313    C        Global thermohaline circulation. Part II:
314    C        Sensitivity with interactive transport.
315    C        J. Climate 12(1), 83-91
316    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
317    C        Destabilization of the thermohaline circulation
318    C        by atmospheric eddy transports.
319    C        J. Climate 7(12), 1870-1882
320    o Will need long integration testing.
321  checkpoint53b_pre  checkpoint53b_pre
322    
323  o created pkg/mom_common in preparation for variable viscosity code  o created pkg/mom_common in preparation for variable viscosity code

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