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revision 1.754 by mlosch, Thu Dec 14 08:23:13 2006 UTC revision 1.819 by jmc, Fri May 18 03:02:47 2007 UTC
# Line 3  $Name$ Line 3  $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
8      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
9    
10    checkpoint59b
11    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
12      - export/import (between ocean & coupler) fields needed for ocean DIC.
13    o pkg/seaice:
14      - get rid of three more exchanges seaice_calc_viscosities (required
15        different loop boundaries in seaice_lsr and seaice_ocean_stress)
16      - bug fix in seaice_ocean_stress (update of lab_sea required)
17      - reduce loop boundaries to necessary minimum also in seaice_evp
18      - go back to the old way of computing deltaC/Z as the adjoint likes that
19        better
20    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
21      passive tracer to an Age Tracer) + update output.txt
22    o pkg/exf:
23      - implement A-grid / C-grid selection for wind-stress input files.
24      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
25      for now, in exf_bulk_largeyeager04.F only :
26      - change implementation for case where windspeed + 2. components wind-stress
27        are read-in. AND use rhoConstFresh to convert evap.
28    o pkg/seaice:
29      - use correct EXCH_UV for wind-forcing (on A-grid).
30      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
31        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
32    o pkg/exf:
33      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
34      EXF_INTERPOLATION:
35      - merge global_with_exf/code version of exf_interp_read.F
36        to the main code ;
37      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
38        reading the file ; Important: This options needs to be defined to recover
39        previous code.
40        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
41      - no longer loose real*8 precision along the way when using exf_iprec=64.
42    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
43      - change discretisation of evp-solver in order to avoid another exchange
44        (changes lab_sea) and clean up a little
45      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
46        help the adjoint (this also changes the results slightly)
47      - add a few "_d 0" where they had been missing in seaice_evp.F
48      - cleaning up: remove unused seaice_calc_rhs.F
49    o pkg/exf: some cleaning-up:
50      - change various "constants" into runtime parameters
51      - cleaned-up Large&Yeager04 routine which should eventually
52        replace exf_bulkformulae.F (changed names of S/R and CPP)
53        and merged various ALLOW_ATM_WIND options
54     only used with thsice pkg (in thsice_get_exf.F):
55      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
56        which are used when useStabilityFct_overIce=TRUE (= the default)
57      - change default values of ice & snow emissivity and scale downward LW
58        by ice & snow emissivity.
59    o pkg/thsice:
60     fix few little problems, in thsice_calc_thickn.F:
61      - growth vertically (and not laterally) if iceFrac == iceMaskMax
62      - melt laterally only if hIce < hThinIce (as the comments say)
63      and in thsice_extend.F:
64      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
65      - start to form ice as soon as the minimum ice-volume is reachable.
66     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
67      and cpl_aim+ocn
68    o pkg/kpp
69     - move computation of surface related input fields to KPP into a new
70       subroutine kpp_forcing_surf.F
71     - remove wrong (within bi,bj loops) EXCH calls.
72     - little cleaning (add argument myThid in last position, cvs header ...)
73     - for now, fix conservation problem by exchanging KPPviscAz (may not
74       be the best fix)
75    o pkg/seaice
76     - check for inconsistent evp parameter/cpp-flag combination
77     - remove leftover errIO flat for obsolete name list error handling
78    o OpenAD
79     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
80    
81    checkpoint59a
82    o pkg/seaice: some parameter clarifications and a little bit of clean up
83    o pkg/thsice: rename run-time parameters:
84       himin       -> hIceMin
85       himin0      -> hThinIce
86       hihig       -> hThickIce
87       i0          -> i0swFrac
88       transCoef   -> bMeltCoef
89       frac_energy -> fracMelting
90      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
91       with default values (for now) that do not change the results.
92      remove old version of thsice vars advection in pkg/seaice.
93    o in FFIELDS.h:
94      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
95      - make pLoad & sIceLoad always available (but still only used if
96         ATMOSPHERIC_LOADING is #define).
97    o pkg/kpp: replaced _KPP_RL with _RL
98    o bug fixes for vertical diffusivity computations when both KPP and
99        3D diffusivity arrays are used.
100    o pkg/seaice: fix bug in evp solver, while doing that
101      - change (improve?) discretization of stress computations for both
102        cgrid-lsr and evp solver
103      - add a new routine to compute strain rates
104      - the above changes lab_sea results
105      - add no slip conditions for evp solver (off by default), lsr-version
106        may follow
107      - fix exchange for shear at Z-points (does not change lab_sea)
108      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
109        (to force the user to pick a time step since there is not "safe" way
110        of choosing it)
111      - add principal stress diagnostics
112      - rearrange fields for evp a little to avoid having to call a: too many
113        exchanges and b: exchanges for stress trensor components which we do
114        not have.
115      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
116        of evp, complete rewrite for lsr case (latter is does not yet work
117        in all cases)
118    o pkg/kpp: add code to have mixing in shelf ice caverns
119      - add myThid to all kpp routines (long overdue)
120    
121    checkpoint59
122    o pkg/exf:
123      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
124        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
125      - move exf header files from lower_case.h to UPPER_CASE.h ;
126        add missing cvs Header & Name
127      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
128      - add namelist param. selectStressGridPosition, exf_monFreq
129      - retire many _CLIM routines, and remove data.exf_clim
130        + params moved to data.exf
131        + climsst, climsss now handled by exf_set_gen, i.e.
132          climss?period=0 refers to constant field,
133          climss?period=-12 to monthly forcing
134      - split up namelists in data.exf
135    o pkg/seaice:
136      - remove seaice_exch and seaice_exch_uv
137      - remove superfluous exchange of theta
138      - add myThid to seaice_budget_ocean/ice
139      - add new interface for atmospheric wind forcing (C-grid only)
140        + new routine
141        + two new field (taux, tauy for stress over ice)
142        + removed one global field (DAIRN) for C-grid case only
143    o pkg/thsise
144      - 2nd set of modifs for thsice adjoint in conjunction with exf
145    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
146    
147    checkpoint58y_post
148    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
149      vertical diffusivity, similar to that in MOM4; turned on using
150      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
151      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
152    o Added capability for 3D specification of background vertical diffusion
153      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
154      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
155      "data" file that contains the 3D vertical diffusivity coefficients.
156    o ice dynamics (pkg/seaice) with thsice thermodynamics:
157      - add code within pkg thsice to advect & diffuse sea-ice fields
158      similar to (and will replace) what has been added in  seaice_advdiff.F,
159      but: - conserving Mass, Heat & Salt.
160           - better when using non-linear advection scheme (not yet fully tested)
161           - can also be used in atmospheric set-up (for now, only the diffusion).
162    
163    checkpoint58x_post
164    o IO option for global-file compact format:
165      - add options when generating topology (utils/exch2/matlab-topology-generator)
166      - add I/O capability (pkg/mdsio).
167      - adapt utils/matlab/rdmds.m to read this format.
168      for now long-line format not yet supported by pkg/mdsio (& exch2).
169    o shelfice: add a few diagnostics
170    
171    checkpoint58w_post
172    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
173      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
174      (and replace horiVertRatio in NH code).
175      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
176                         and tutorial_plume_on_slope (sensitive to truncation)
177    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
178      directly to drive seaice model (C-grid only)
179    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
180     - reintroduce computation of wind from stress,
181     - compute tau (in exf_bulkformulae.F) from windstress averaged to
182       mass points to avoid tau = 0
183     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
184    o rdmnc.m: make it work with "global" files created with gluemnc
185    o rdmnc.m : some improvements in dealing with singleton dimension
186      (tested on all testreport mnc output files).
187    o genmake2: disable pkg/profiles if netcdf test fails.
188    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
189    o move call to cal_readparms up to make calendar parameters/variable available
190      to all packages
191    
192    checkpoint58v_post
193    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
194      useDynP_inEos_Zc tested.
195    o pkg/exf: changes to properly interpolate/mask/scale initial fields
196    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
197      and portions thereof.  See read_cs.txt for description and examples.
198    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
199      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
200      following the great-circle arc between those 2 points.
201    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
202      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
203    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
204     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
205     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
206     - still needs work (not working with some options ; efficiency to improve)
207       and serious testing.
208     - use this scheme for temperature & salinity in 2 advection test exp.:
209       advect_xy & advect_xz, respectively.
210    
211    checkpoint58u_post
212    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
213    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
214    o testreport: add option "-skipdir" to skip some test.
215    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
216      momentum calculation.
217    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
218    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
219      remove checkpoint.F and the_correction_step.F (no longer used);
220      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
221    o add option (linFSConserveTr) to correct for tracer source/sink due to
222      Linear Free surface
223    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
224    o pkg/thsice: fix reading mnc-pickups
225    
226    checkpoint58t_post
227    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
228    o pkg/mdsio:
229     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
230       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
231       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
232     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
233     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
234       either MDS_READ_FIELD or MDS_WRITE_FIELD )
235     - new S/R (to replace MDSWRITEMETA), which allows to write more
236       informations (variable names, time ...) to meta files.
237     - modify rdmds.m to give back the meta file content.
238    o pkg/diagnostics: change vertical interpolation to be safer, and more
239       flexible (define p-levels to interpolate to in data.diagnostics);
240      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
241       diagnostic pointer.
242    o pkg/seaice: more cleaning up of seaice_growth, added many comments
243    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
244    o fix multi-category seaice:
245     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
246       SEAICE_MULTICATEGORY
247     - fix short wave heat flux
248    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
249       and allow to use EVP solver. Change forward lab_sea: test both EVP
250       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
251    o Initial check-in of lab_sea adjoint
252      (very similar to natl_box_adjoint/code_seaice)
253      * used C-grid and EVP solver
254      * used KPP, GM/Redi
255      * uses inAdExact=.TRUE.
256      * gradient checks fail for both ADM and TLM
257        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
258        f.d. gradients actually seem more problematic than ADM, TLM gradients;
259        issue is related to forward mismatch between g77 an ifort
260    o pkg/seaice: overhaul of thermodynamics
261     - growth.F and groatb.F are replaced by new routine seaice_growth.F
262     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
263     - move a few global fields out of SEAICE.h into seaice_growth.F and
264       make them 2D (FICE/QNETO/ ...)
265     - remove FO (it is the same as QNETO)
266     - introduce a few local fields to avoid modifying external fields such
267       as atemp, etc.
268    
269  checkpoint58s_post  checkpoint58s_post
270  o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F  o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
271    changed exf_set_gen.F so that    changed exf_set_gen.F so that

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