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revision 1.279 by jmc, Sun Apr 18 22:31:33 2004 UTC revision 1.387 by mlosch, Thu Nov 18 23:30:46 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 GCHEM: move call to GCHEM_FORCING_SEP, so that it is now called before
7      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
8    
9    checkpoint56
10    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
11    o mnc: cleanup "full" files--fixes out-of-memory problem
12    o ECCO-GODAE
13      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
14      * fully merged and updated from SIO code
15        windstress sign change affects
16        - exf_inscal_[u/v]stress
17        - sign of xx_tau[u/v] adjustments
18        - signs in cost_scat
19      * ctrl_get_gen: avoid update of tau[u/v] for first few days
20      * natl_box_adjoint updated and compressed
21      * 2-level checkpoint switch added
22        (tested in EXP. 1 of natl_box_adjoint)
23      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
24    o SVD
25      * first complete, non-hacked version for SVD calculations
26      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
27        performed via direct access files admtlm_vector.it????
28        (via ctrl_[un]pack)
29      * optimcycle is used for ARPACK iteration counter
30        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
31      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
32        and add linear transforms where necessary
33      * controls are initial/final SST, SSS (can be extended; need to check
34        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
35    o mdsio: filename info to both stderr, stdout
36    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
37      from sign change
38    
39    checkpoint55j_post
40    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
41      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
42    o add consistent build directories and .cvsignore files to verification
43    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
44    o make all subroutines 30 or less characters in length for certain older
45      compilers to work (a thorough search only turns up two routines in
46      pkg/ptracers)
47    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
48      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
49    
50    checkpoint55i_post
51    o change arrays for total vertical diffusivity (2.D if explicit,
52      3.D if implicit) ; each ptracer uses its own background value.
53    o added mnc/NetCDF output capability to ocn_compon_interf
54      - added bits to verification/cpl_aim+ocn so that it can run on
55        ITRDA and other clusters without the mpirun "-wd" option
56    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
57      configuration
58    o give MNC the ability to create additional files rather than
59      exceeding a specified file size limit "MNC_MAX_FILESIZE"
60      - the default is just less than 2GB which is a practical limit
61        on many systems
62    o Compute the non-local term using either KPP vertical diffusivity (=default)
63       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
64    
65    checkpoint55h_post
66    o add verification test "vermix"
67    o remove all the *_ioinc flags and replace with the single global
68      outputTypesInclusive flag
69    o allow to set a vertical profile of vertical diffusivity for T & S
70    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
71    o useMNC moved from data.mnc to data.pkg
72    
73    checkpoint55g_post
74    o Renaming carbon AD experiments to comply with testreport conventions
75    o Updating adjoint of Held-Suarez hs94.1x64x5
76    o Fixing directives for non-ECCO forward_step, after ECCO directives
77      have been fixed to avoid recomp. of do_oceanic_phys
78      Works well for global_ocean.90x40x15,
79      but recomp. issue remains for carbon
80    o Updating adjoint output for natl_box_adjoint after
81      pkg/ecco has been modified (see taga c55d_post)
82    
83    checkpoint55f_post
84    o rename to timeave_init_fixed
85    
86    checkpoint55e_post
87    o some delicate re-shuffle of store directives to avoid one
88      extra call of do_oceanic_physics
89      affects ecco_the_main_loop.F, do_oceanic_physics.F
90      checkpoint_lev1_directives.h
91    o NB: this may break global_ocean adjoint temporarily,
92      but it is clear how to fix it. Will do later, need this now.
93    
94    checkpoint55d_post
95    o ECCO specific cost function terms (up-to-date with 1x1 runs)
96    o ecco_cost_weights is modified to 1x1 runs
97    o modifs to allow observations to be read in as
98      single file or yearly files
99    o enable to read exf forcing fields as either
100      single file or yearly files (flag useExfYearlyFields)
101    checkpoint55d_pre
102    
103    o switch between 2-level and 3-level checkpointing
104    o add ability of MNC to write local and "partial" (eg. 2D slices where
105      the full 3D field is never actually stored) arrays to NetCDF files
106      with the correct (that is, the complete multi-dimensional) set of
107      array indicies
108      - used in mom_vecinv() to write the diagFreq output
109      - tested (demonstrated) in verification/aim.5l_cs
110    o further mnc-ification
111      - add verification/lab_sea to the list with mnc setups
112      - fix undefined mnc v-names in cd_code
113      - add kpp to mnc output (both snapshot and timeave)
114    o non-hydrostatic code
115      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
116        in calc_gw.F
117      - defaults to viscAh
118      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
119        friction or Leith) in non-hydrostatic mode, as long as there is
120        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
121    o pkg/cost
122      extend simple cost functions to treat time mean quantities
123      (T,U,V) via cost_accumulate_state from cost_tile
124    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
125        be 2 times larger than the minimum size the advection scheme requires.
126        now get a perfect conservation of salt in advect_cs test-exp (updated)
127    o GGL90 (Gaspar's TKE mixed layer)
128      - add horizontal diffusion of TKE, requires exchanges in
129        do_fields_blocking_exchanges, horizontal diffusivity is zero by
130        default. In OPA there is no horizontal diffusion of TKE but the
131        mixing coefficients are computed from a horizontal average of TKE of
132        6 points or so. I think that diffusion has a little more physical
133        justification.
134      - clean up ggl90_calc in the hope of reducing memory usage (this hope
135        was in vain)
136      - mask tke-variable in ggl90_init
137    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
138    o fix biharmonic diffusion on CS-grid.
139    o more obcs stuff
140      - added obcs_external_fields_load as an alternative to the EXF-pkg option
141        for reading boundary values. This routine is called from
142        obcs_prescribe_read
143      - updated obcs_check
144      - changed sponge layer relaxation parameter units for days to seconds
145      - turned off sponge layer by default
146      - changed argument list of OBCS_CALC to myTime+deltaTclock
147      - fixed about 35 bugs in obcs_external_fields_load
148    
149    checkpoint55c_post
150    o obcs stuff
151      - new runtime flags useOBCSprescribe, useOBCSbalance
152      - re-arranged obcs_calc
153      - moved exf_getobcs to obcs_prescibe_read
154        obcs_prescibe_read is called after ORLANSKI stuff
155        and independent of it (executable can contain all).
156      - updated obcs_check
157      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
158        These may be necessary only if tangential velocities are
159        prescribed at OB, not sure, needs testing.
160    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
161      which simplifies the calls and passes the ifc check-bounds test
162    
163    checkpoint55b_post
164    o add a 2D scalar, Z location, exchange_2 routine.
165    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
166      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
167      affects advect_cs results (for the wrong reason): update output.txt
168    o use a more standard discretization for biharmonic viscosity ;
169     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
170      affects results of dome set-up: update output.txt
171    o fix gad_advection.F (CubedSphere part), back to version 1.23
172    o fix bug in mom_vi_del2uv.F (CubedSphere part).
173    
174    checkpoint55a_post
175    o merged code to
176      * prescribe/read time-dependent open boundaries
177        (works in conjunction with exf, cal)
178      * sponge layer code for open boundaries
179      * each boundary N/S/E/W now has its own CPP option
180        (healthy for the adjoint)
181    
182    checkpoint55
183    o up-to-date adjoint of previous breaks
184      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
185      - global_ocean_ebm: adjoint still needs fix (TLM ok)
186      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
187      - carbon: * remove tr1-related adjoint verification
188                * add ptracer as control variable
189    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
190      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
191    
192    checkpoint54f_post
193    o in verification/carbin/ remove experiment related to
194      ALLOW_PASSIVE_TRACER (array tr1 etc)
195      code_ad/ input_ad/ results_ad
196    
197    o add two new packages
198      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
199        + subject to optimization (memory)
200      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
201        + subject to reordering (many GOTOs in the original code)
202        + so far opps is called for every (i,j) point, and then operates in
203          the vertical; one may want to reorder the scheme in order operate in
204          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
205          fields)
206    o overhaul of IO so that we now have flags for MDSIO and/or MNC
207      - all verification tests compile and run with linux_ia32_g77
208      - defaults are compatible with current input files--nothing
209        should change if you were not previously using MNC
210      - MNC output has been added in numerous places (eg. timeave)
211        but there are still a few writes not yet do-able with MNC
212        (this is in progress)
213      - flags now allow for either/or/both use of MDSIO and MNC and
214        documentation will soon follow
215      - numerous small formatting cleanups for ProTeX
216    o add version info (via BUILD_INFO.h) to MNC and stdout
217    
218    checkpoint54e_post
219    o add two new packages
220      - pp81 (Packanowski and Philander, 1981), Richardson number and
221        stratification dependent mixing
222      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
223      - these scheme operate in a similar manner as KPP (without ghat, of
224        course), however there is only one diffusivity that is used for both
225        temperature and salinity (and passive tracers)ç
226    o add offline package
227    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
228      provided by Stephanie Dutkiewicz
229    o genmake2: add ability to search for C compilers and cleanup test output
230      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
231    
232    checkpoint54d_post
233    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
234    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
235      leading to additional shift by 5 days each year of integration
236       (i.e. leading to considerable offset over the years)
237    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
238    o start with no AB and no initial filtering (staggerTimeStep):
239      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
240    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
241      (external loading & cpl import/export stay in forward_step.F)
242    o update coupling interface to work with new staggerTimeStep
243    o change MDSIO ptracers_pickup.
244    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
245    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
246    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
247    
248    checkpoint54c_post
249    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
250      this affects (truncation error) output.txt of test-exp:
251       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
252    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
253    o change Qnet to always be the net heat flux, (+upward).
254      affects (truncation error) output of natl_box exp.: updated
255    o define the max number of passive tracers in PTRACERS_SIZE.h
256    o start to test mnc routinely in exp0
257    o add sea-ice loading (sIceLoad) as a new forcing field.
258    
259    checkpoint54b_post
260    o add testreport "-j JOBS" option for parallel builds (tested and pretty
261       impressive on Altix and Opteron systems)
262    o diagnostics can now write NetCDF files through the mnc package
263    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
264    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
265    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
266      affects (truncation error) output of lab_sea & natl_box exp.: updated
267    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
268    
269    checkpoint54a_post
270    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
271    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
272    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
273    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
274      + internal_wave (shift in writing cg2d_ini_res)
275    checkpoint54a_pre
276    
277    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
278      - modified verification/lab_sea and natl_box_adjoint accordingly
279    
280    checkpoint54
281    checkpoint53g_post
282    o prepare splitting of thermodynamics: store convect.counter in common block
283    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
284      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
285    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
286    o new parameter "nShapS": allow to treat differently S from T (nShapT)
287    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
288    o restore adjointability
289    
290    checkpoint53f_post
291    o modifications that affect AIM experiment results (update output.txt):
292      - no advection of S at top interface Nr (pkg/generic_advdiff)
293      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
294    o AIM pkg:
295      - include stability function into surf.Flux derivative relative to Tsurf
296      - calculate clear-sky radiation & surface temp. change (for diagnostics)
297    
298    checkpoint53e_post
299    o merged cylindrical coord configuration
300    o added rotating_tank experiment
301    checkpoint53e_pre
302    
303    checkpoint53d_post
304    o faulks upgraded: re-generate output.txt that have changed:
305       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
306    o Added Bryan and Lewis, 1979, vertical diffusivity profile
307    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
308    o added Sadourny discretization of Coriolis
309      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
310      - re-enabled use of omega3 (useAbsVorticity)
311    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
312      vector-invariant equations
313      - note: does *NOT* yet use same variable visc. for no-slip BC's.
314    o recoded the lateral boundary conditions for non-hydrostatic w, this time
315      hopefully without new bugs
316      - still to do: biharmonic friction for non-hydrostatic w
317    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
318    o regenerated output for global_ocean_ebm (using -ieee)
319    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
320      of mom_common/
321      - simple re-arrangement of instructions within computing loop
322    checkpoint53d_pre
323    
324    checkpoint53c_post
325    o new version of coupler for AIM+thSIce and Ocean models
326     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
327     - land: change Evaporation of snow
328     - aim with thSIce: fix bug in snow-precip.
329    o changes to calc_gw.F
330     - bug fix for w^2 term near the bottom boundary
331     - (hopefully) improve the lateral slip boundary condtions for use with
332        partial/looped cells
333      - because the bug fix changes two verification experiments anyway (exp5
334        and plume on slope), change the lateral boundary condition from half slip
335        to the value of no_slip_sides
336    o ebm package wasnt quite up to the parallel task. Fixed that.
337    o Adjoint of EBM package + verification
338      * TLM OK
339      * ADM not sufficient accuracy yet (needs further testing)
340    
341    checkpoint53b_post
342    o Commiting new energy balance model to repository
343      * package is pkg/ebm
344      * verif. is verification/global_ocean_ebm
345      * references are in ebm_driver.F
346    C      * X. Wang, P. Stone and J. Marotzke, 1999:
347    C        Global thermohaline circulation. Part I:
348    C        Sensitivity to atmospheric moisture transport.
349    C        J. Climate 12(1), 71-82
350    C      * X. Wang, P. Stone and J. Marotzke, 1999:
351    C        Global thermohaline circulation. Part II:
352    C        Sensitivity with interactive transport.
353    C        J. Climate 12(1), 83-91
354    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
355    C        Destabilization of the thermohaline circulation
356    C        by atmospheric eddy transports.
357    C        J. Climate 7(12), 1870-1882
358    o Will need long integration testing.
359    checkpoint53b_pre
360    
361    o created pkg/mom_common in preparation for variable viscosity code
362    o renamed and split ini_mnc_io
363    o pkg/land: only liquid water can diffuse or run-off
364    o AIM using land: soil wetness availability account for snow
365    o added printMapIncludesZeros to EEPARMS namelist
366    
367    checkpoint53a_post
368    o restore TAMC compatiility for exf_constants.h
369      (no usage of _d in .h)
370    o Additional storing in KPP in an attempt to fix
371      TAMC problem with adjoint of KPP code.
372      (no success...)
373      Identical code works fine with TAF.
374    o Fixed verification/natl_box_adjoint experiments.
375      Initial conditions for Experiments 4 and 5 are now
376      set to "SEAICE_initialHEFF=0", which is more reasonable,
377      and hence gives results closer to that of Experiment 2.
378      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
379    
380    checkpoint53
381    o stable checkpoint with up to date adjoint
382      TLM tests only run for 1st grdchk at the moment. Its unclear if
383      this is a code problem or a problem with resetting code for g_
384      variables that is being autogenerated wrong.
385      Otherwise:
386       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
387       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
388         are both still in chaos following their security messes.
389    
390    checkpoint52n_post
391    o various build (mostly genmake2) changes including:
392      - ability to build/run more easily within Cygwin and MacOS X
393      - more complicated Makefiles with a stronger dependence on Gnu Make
394    o pkg/seaice modifications
395      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
396        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
397        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
398      - changed proxy for geostrophic velocity and updated
399        verification/lab_sea/results/* accordingly
400      - removed ADI dynamic solver from pkg/seaice
401      - replaced all occurrences of 1/CSTICE or 1/CSUICE
402        they caused a segmentation fault under certain circumstances
403      - removed unused field WATR
404    o bug fix in exf-package:
405      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
406         now reflect that.
407    o small fixes in the cal-package:
408      - set reference date to first of January for the 'model'-calendar
409      - failing of cal_CheckDate in cal_FullDate now actually results in a
410        warning
411    o small modifications in exf-package to increase flexibility:
412      - change climtempfreeze from a constant to a runtime parameter that
413        is specified in data.exf_clim (default = -1.9)
414      - introduce runtime parameter windstressmax (default = 2.0) that is
415        specified in data.exf
416  o fix in pkg/thsice:  o fix in pkg/thsice:
417    - update Evap (Tsf changes) to be consistent with Latent heat flux    - update Evap (Tsf changes) to be consistent with Latent heat flux
418    - maintain snow precipitation unchanged (even if Tsf >=0).    - maintain snow precipitation unchanged (even if Tsf >=0).

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