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revision 1.746 by jmc, Mon Nov 20 05:19:43 2006 UTC revision 1.813 by mlosch, Thu May 10 20:02:36 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
8      - change discretisation of evp-solver in order to avoid another exchange
9        (changes lab_sea) and clean up a little
10      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
11        help the adjoint (this also changes the results slightly)
12      - add a few "_d 0" where they had been missing in seaice_evp.F
13      - cleaning up: remove unused seaice_calc_rhs.F
14    o pkg/exf: some cleaning-up:
15      - change various "constants" into runtime parameters
16      - cleaned-up Large&Yeager04 routine which should eventually
17        replace exf_bulkformulae.F (changed names of S/R and CPP)
18        and merged various ALLOW_ATM_WIND options
19     only used with thsice pkg (in thsice_get_exf.F):
20      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
21        which are used when useStabilityFct_overIce=TRUE (= the default)
22      - change default values of ice & snow emissivity and scale downward LW
23        by ice & snow emissivity.
24    o pkg/thsice:
25     fix few little problems, in thsice_calc_thickn.F:
26      - growth vertically (and not laterally) if iceFrac == iceMaskMax
27      - melt laterally only if hIce < hThinIce (as the comments say)
28      and in thsice_extend.F:
29      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
30      - start to form ice as soon as the minimum ice-volume is reachable.
31     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
32      and cpl_aim+ocn
33    o pkg/kpp
34     - move computation of surface related input fields to KPP into a new
35       subroutine kpp_forcing_surf.F
36     - remove wrong (within bi,bj loops) EXCH calls.
37     - little cleaning (add argument myThid in last position, cvs header ...)
38     - for now, fix conservation problem by exchanging KPPviscAz (may not
39       be the best fix)
40    o pkg/seaice
41     - check for inconsistent evp parameter/cpp-flag combination
42     - remove leftover errIO flat for obsolete name list error handling
43    o OpenAD
44     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
45    
46    checkpoint59a
47    o pkg/seaice: some parameter clarifications and a little bit of clean up
48    o pkg/thsice: rename run-time parameters:
49       himin       -> hIceMin
50       himin0      -> hThinIce
51       hihig       -> hThickIce
52       i0          -> i0swFrac
53       transCoef   -> bMeltCoef
54       frac_energy -> fracMelting
55      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
56       with default values (for now) that do not change the results.
57      remove old version of thsice vars advection in pkg/seaice.
58    o in FFIELDS.h:
59      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
60      - make pLoad & sIceLoad always available (but still only used if
61         ATMOSPHERIC_LOADING is #define).
62    o pkg/kpp: replaced _KPP_RL with _RL
63    o bug fixes for vertical diffusivity computations when both KPP and
64        3D diffusivity arrays are used.
65    o pkg/seaice: fix bug in evp solver, while doing that
66      - change (improve?) discretization of stress computations for both
67        cgrid-lsr and evp solver
68      - add a new routine to compute strain rates
69      - the above changes lab_sea results
70      - add no slip conditions for evp solver (off by default), lsr-version
71        may follow
72      - fix exchange for shear at Z-points (does not change lab_sea)
73      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
74        (to force the user to pick a time step since there is not "safe" way
75        of choosing it)
76      - add principal stress diagnostics
77      - rearrange fields for evp a little to avoid having to call a: too many
78        exchanges and b: exchanges for stress trensor components which we do
79        not have.
80      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
81        of evp, complete rewrite for lsr case (latter is does not yet work
82        in all cases)
83    o pkg/kpp: add code to have mixing in shelf ice caverns
84      - add myThid to all kpp routines (long overdue)
85    
86    checkpoint59
87    o pkg/exf:
88      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
89        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
90      - move exf header files from lower_case.h to UPPER_CASE.h ;
91        add missing cvs Header & Name
92      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
93      - add namelist param. selectStressGridPosition, exf_monFreq
94      - retire many _CLIM routines, and remove data.exf_clim
95        + params moved to data.exf
96        + climsst, climsss now handled by exf_set_gen, i.e.
97          climss?period=0 refers to constant field,
98          climss?period=-12 to monthly forcing
99      - split up namelists in data.exf
100    o pkg/seaice:
101      - remove seaice_exch and seaice_exch_uv
102      - remove superfluous exchange of theta
103      - add myThid to seaice_budget_ocean/ice
104      - add new interface for atmospheric wind forcing (C-grid only)
105        + new routine
106        + two new field (taux, tauy for stress over ice)
107        + removed one global field (DAIRN) for C-grid case only
108    o pkg/thsise
109      - 2nd set of modifs for thsice adjoint in conjunction with exf
110    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
111    
112    checkpoint58y_post
113    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
114      vertical diffusivity, similar to that in MOM4; turned on using
115      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
116      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
117    o Added capability for 3D specification of background vertical diffusion
118      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
119      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
120      "data" file that contains the 3D vertical diffusivity coefficients.
121    o ice dynamics (pkg/seaice) with thsice thermodynamics:
122      - add code within pkg thsice to advect & diffuse sea-ice fields
123      similar to (and will replace) what has been added in  seaice_advdiff.F,
124      but: - conserving Mass, Heat & Salt.
125           - better when using non-linear advection scheme (not yet fully tested)
126           - can also be used in atmospheric set-up (for now, only the diffusion).
127    
128    checkpoint58x_post
129    o IO option for global-file compact format:
130      - add options when generating topology (utils/exch2/matlab-topology-generator)
131      - add I/O capability (pkg/mdsio).
132      - adapt utils/matlab/rdmds.m to read this format.
133      for now long-line format not yet supported by pkg/mdsio (& exch2).
134    o shelfice: add a few diagnostics
135    
136    checkpoint58w_post
137    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
138      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
139      (and replace horiVertRatio in NH code).
140      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
141                         and tutorial_plume_on_slope (sensitive to truncation)
142    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
143      directly to drive seaice model (C-grid only)
144    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
145     - reintroduce computation of wind from stress,
146     - compute tau (in exf_bulkformulae.F) from windstress averaged to
147       mass points to avoid tau = 0
148     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
149    o rdmnc.m: make it work with "global" files created with gluemnc
150    o rdmnc.m : some improvements in dealing with singleton dimension
151      (tested on all testreport mnc output files).
152    o genmake2: disable pkg/profiles if netcdf test fails.
153    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
154    o move call to cal_readparms up to make calendar parameters/variable available
155      to all packages
156    
157    checkpoint58v_post
158    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
159      useDynP_inEos_Zc tested.
160    o pkg/exf: changes to properly interpolate/mask/scale initial fields
161    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
162      and portions thereof.  See read_cs.txt for description and examples.
163    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
164      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
165      following the great-circle arc between those 2 points.
166    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
167      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
168    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
169     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
170     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
171     - still needs work (not working with some options ; efficiency to improve)
172       and serious testing.
173     - use this scheme for temperature & salinity in 2 advection test exp.:
174       advect_xy & advect_xz, respectively.
175    
176    checkpoint58u_post
177    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
178    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
179    o testreport: add option "-skipdir" to skip some test.
180    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
181      momentum calculation.
182    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
183    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
184      remove checkpoint.F and the_correction_step.F (no longer used);
185      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
186    o add option (linFSConserveTr) to correct for tracer source/sink due to
187      Linear Free surface
188    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
189    o pkg/thsice: fix reading mnc-pickups
190    
191    checkpoint58t_post
192    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
193    o pkg/mdsio:
194     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
195       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
196       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
197     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
198     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
199       either MDS_READ_FIELD or MDS_WRITE_FIELD )
200     - new S/R (to replace MDSWRITEMETA), which allows to write more
201       informations (variable names, time ...) to meta files.
202     - modify rdmds.m to give back the meta file content.
203    o pkg/diagnostics: change vertical interpolation to be safer, and more
204       flexible (define p-levels to interpolate to in data.diagnostics);
205      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
206       diagnostic pointer.
207    o pkg/seaice: more cleaning up of seaice_growth, added many comments
208    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
209    o fix multi-category seaice:
210     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
211       SEAICE_MULTICATEGORY
212     - fix short wave heat flux
213    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
214       and allow to use EVP solver. Change forward lab_sea: test both EVP
215       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
216    o Initial check-in of lab_sea adjoint
217      (very similar to natl_box_adjoint/code_seaice)
218      * used C-grid and EVP solver
219      * used KPP, GM/Redi
220      * uses inAdExact=.TRUE.
221      * gradient checks fail for both ADM and TLM
222        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
223        f.d. gradients actually seem more problematic than ADM, TLM gradients;
224        issue is related to forward mismatch between g77 an ifort
225    o pkg/seaice: overhaul of thermodynamics
226     - growth.F and groatb.F are replaced by new routine seaice_growth.F
227     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
228     - move a few global fields out of SEAICE.h into seaice_growth.F and
229       make them 2D (FICE/QNETO/ ...)
230     - remove FO (it is the same as QNETO)
231     - introduce a few local fields to avoid modifying external fields such
232       as atemp, etc.
233    
234    checkpoint58s_post
235    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
236      changed exf_set_gen.F so that
237        genperiod=0 means input file is one time-constant field and
238        genperiod=-12 means input file contains 12 monthly means
239    o CG2D: use pre-computed solver main-diagonal (stored in common block);
240      this affects truncation error ; generate new output file for exp. which
241      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
242        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
243        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
244        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
245        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
246        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
247    o start implementation of deep-atmosphere and anelastic formulation
248    o verification: remove 2nd copy of input files and use script "prepare_run"
249      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
250    o mom_common/vecinv/fluxform: fix a few initialisation isssues
251    o profiles: fix for multithreaded case
252    
253  o diagnostics: rename few diags:  o diagnostics: rename few diags:
254    s/'PRESSURE'/'RCENTER '/g    s/'PRESSURE'/'RCENTER '/g
255    s/'TICE    '/'oceFreez'/g    s/'TICE    '/'oceFreez'/g
# Line 14  o diagnostics: rename few diags: Line 260  o diagnostics: rename few diags:
260    s/DIFy/DFyE/g    s/DIFy/DFyE/g
261    and add few ocean-forcing diagnostics:    and add few ocean-forcing diagnostics:
262    atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS    atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
263    o modifications to pkg/seaice/growth.F and budget.F, which change results of
264      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
265      as actual snow thickness.  It now refers everywhere to effective snow
266      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
267    
268  checkpoint58r_post  checkpoint58r_post
269  o modifications to pkg/seaice/growth.F, which change results of  o modifications to pkg/seaice/growth.F, which change results of

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