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revision 1.766 by jmc, Tue Jan 16 19:45:13 2007 UTC revision 1.829 by jmc, Mon Jun 4 00:51:28 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint59c
8    o add S/R and diagnostics for oceanic mixed-layer depth
9    o move GMRedi call after all vertical mixing schemes (including KPP)
10    o pkg/thsice:
11     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
12      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
13    o pkg/obcs:
14     - bug fix for balance code
15    o pkg/seaice:
16      - allow values of SEAICE_elasticParm > 1
17      - add new parameter SEAICE_evpTauRelax as an alternative
18        to SEAICE_elasticParm
19      - make lsr boundary conditions free slip (by default), changes result
20      - add code for no slip boundary conditions for lsr
21      - set minimum of zeta to zero (and not 4e8) (changes results)
22      - add a cap on AREA after advecting AREA if seaice_growth is not called
23    o change calculation of Visbeck K:
24      - no longer depend on tapering scheme; instead, compute slope (limited
25        by GM_maxSlope). this is equivalent to what was comuted before with
26        clipping or linear tappering.
27      - fix vertical averaging (wrong by 1/2 level)
28      - leave the old version (but will not be maintained) within
29        #ifdef OLD_VISBECK_CALC / #endif
30      - update output of exp. ideal_2D_oce
31    o change error catch in calc_r_star to improve vectorization
32    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
33      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
34    o adjoint:
35      Re-organized adjoint checkpointing according to Matt Mazloff
36      (but with modifs/completions/cleanups)
37      Storing is now bundled into large arrays to optimized I/O
38      (and second step in cleanup of the_main_loop)
39    
40    checkpoint59b
41    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
42      - export/import (between ocean & coupler) fields needed for ocean DIC.
43    o pkg/seaice:
44      - get rid of three more exchanges seaice_calc_viscosities (required
45        different loop boundaries in seaice_lsr and seaice_ocean_stress)
46      - bug fix in seaice_ocean_stress (update of lab_sea required)
47      - reduce loop boundaries to necessary minimum also in seaice_evp
48      - go back to the old way of computing deltaC/Z as the adjoint likes that
49        better
50    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
51      passive tracer to an Age Tracer) + update output.txt
52    o pkg/exf:
53      - implement A-grid / C-grid selection for wind-stress input files.
54      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
55      for now, in exf_bulk_largeyeager04.F only :
56      - change implementation for case where windspeed + 2. components wind-stress
57        are read-in. AND use rhoConstFresh to convert evap.
58    o pkg/seaice:
59      - use correct EXCH_UV for wind-forcing (on A-grid).
60      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
61        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
62    o pkg/exf:
63      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
64      EXF_INTERPOLATION:
65      - merge global_with_exf/code version of exf_interp_read.F
66        to the main code ;
67      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
68        reading the file ; Important: This options needs to be defined to recover
69        previous code.
70        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
71      - no longer loose real*8 precision along the way when using exf_iprec=64.
72    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
73      - change discretisation of evp-solver in order to avoid another exchange
74        (changes lab_sea) and clean up a little
75      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
76        help the adjoint (this also changes the results slightly)
77      - add a few "_d 0" where they had been missing in seaice_evp.F
78      - cleaning up: remove unused seaice_calc_rhs.F
79    o pkg/exf: some cleaning-up:
80      - change various "constants" into runtime parameters
81      - cleaned-up Large&Yeager04 routine which should eventually
82        replace exf_bulkformulae.F (changed names of S/R and CPP)
83        and merged various ALLOW_ATM_WIND options
84     only used with thsice pkg (in thsice_get_exf.F):
85      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
86        which are used when useStabilityFct_overIce=TRUE (= the default)
87      - change default values of ice & snow emissivity and scale downward LW
88        by ice & snow emissivity.
89    o pkg/thsice:
90     fix few little problems, in thsice_calc_thickn.F:
91      - growth vertically (and not laterally) if iceFrac == iceMaskMax
92      - melt only laterally if hIce < hThinIce (as the comments say)
93      and in thsice_extend.F:
94      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
95      - start to form ice as soon as the minimum ice-volume is reachable.
96     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
97      and cpl_aim+ocn
98    o pkg/kpp
99     - move computation of surface related input fields to KPP into a new
100       subroutine kpp_forcing_surf.F
101     - remove wrong (within bi,bj loops) EXCH calls.
102     - little cleaning (add argument myThid in last position, cvs header ...)
103     - for now, fix conservation problem by exchanging KPPviscAz (may not
104       be the best fix)
105    o pkg/seaice
106     - check for inconsistent evp parameter/cpp-flag combination
107     - remove leftover errIO flat for obsolete name list error handling
108    o OpenAD
109     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
110    
111    checkpoint59a
112    o pkg/seaice: some parameter clarifications and a little bit of clean up
113    o pkg/thsice: rename run-time parameters:
114       himin       -> hIceMin
115       himin0      -> hThinIce
116       hihig       -> hThickIce
117       i0          -> i0swFrac
118       transCoef   -> bMeltCoef
119       frac_energy -> fracMelting
120      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
121       with default values (for now) that do not change the results.
122      remove old version of thsice vars advection in pkg/seaice.
123    o in FFIELDS.h:
124      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
125      - make pLoad & sIceLoad always available (but still only used if
126         ATMOSPHERIC_LOADING is #define).
127    o pkg/kpp: replaced _KPP_RL with _RL
128    o bug fixes for vertical diffusivity computations when both KPP and
129        3D diffusivity arrays are used.
130    o pkg/seaice: fix bug in evp solver, while doing that
131      - change (improve?) discretization of stress computations for both
132        cgrid-lsr and evp solver
133      - add a new routine to compute strain rates
134      - the above changes lab_sea results
135      - add no slip conditions for evp solver (off by default), lsr-version
136        may follow
137      - fix exchange for shear at Z-points (does not change lab_sea)
138      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
139        (to force the user to pick a time step since there is not "safe" way
140        of choosing it)
141      - add principal stress diagnostics
142      - rearrange fields for evp a little to avoid having to call a: too many
143        exchanges and b: exchanges for stress trensor components which we do
144        not have.
145      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
146        of evp, complete rewrite for lsr case (latter is does not yet work
147        in all cases)
148    o pkg/kpp: add code to have mixing in shelf ice caverns
149      - add myThid to all kpp routines (long overdue)
150    
151    checkpoint59
152    o pkg/exf:
153      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
154        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
155      - move exf header files from lower_case.h to UPPER_CASE.h ;
156        add missing cvs Header & Name
157      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
158      - add namelist param. selectStressGridPosition, exf_monFreq
159      - retire many _CLIM routines, and remove data.exf_clim
160        + params moved to data.exf
161        + climsst, climsss now handled by exf_set_gen, i.e.
162          climss?period=0 refers to constant field,
163          climss?period=-12 to monthly forcing
164      - split up namelists in data.exf
165    o pkg/seaice:
166      - remove seaice_exch and seaice_exch_uv
167      - remove superfluous exchange of theta
168      - add myThid to seaice_budget_ocean/ice
169      - add new interface for atmospheric wind forcing (C-grid only)
170        + new routine
171        + two new field (taux, tauy for stress over ice)
172        + removed one global field (DAIRN) for C-grid case only
173    o pkg/thsise
174      - 2nd set of modifs for thsice adjoint in conjunction with exf
175    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
176    
177    checkpoint58y_post
178    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
179      vertical diffusivity, similar to that in MOM4; turned on using
180      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
181      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
182    o Added capability for 3D specification of background vertical diffusion
183      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
184      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
185      "data" file that contains the 3D vertical diffusivity coefficients.
186    o ice dynamics (pkg/seaice) with thsice thermodynamics:
187      - add code within pkg thsice to advect & diffuse sea-ice fields
188      similar to (and will replace) what has been added in  seaice_advdiff.F,
189      but: - conserving Mass, Heat & Salt.
190           - better when using non-linear advection scheme (not yet fully tested)
191           - can also be used in atmospheric set-up (for now, only the diffusion).
192    
193    checkpoint58x_post
194    o IO option for global-file compact format:
195      - add options when generating topology (utils/exch2/matlab-topology-generator)
196      - add I/O capability (pkg/mdsio).
197      - adapt utils/matlab/rdmds.m to read this format.
198      for now long-line format not yet supported by pkg/mdsio (& exch2).
199    o shelfice: add a few diagnostics
200    
201    checkpoint58w_post
202    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
203      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
204      (and replace horiVertRatio in NH code).
205      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
206                         and tutorial_plume_on_slope (sensitive to truncation)
207    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
208      directly to drive seaice model (C-grid only)
209    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
210     - reintroduce computation of wind from stress,
211     - compute tau (in exf_bulkformulae.F) from windstress averaged to
212       mass points to avoid tau = 0
213     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
214    o rdmnc.m: make it work with "global" files created with gluemnc
215    o rdmnc.m : some improvements in dealing with singleton dimension
216      (tested on all testreport mnc output files).
217    o genmake2: disable pkg/profiles if netcdf test fails.
218    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
219    o move call to cal_readparms up to make calendar parameters/variable available
220      to all packages
221    
222    checkpoint58v_post
223    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
224      useDynP_inEos_Zc tested.
225    o pkg/exf: changes to properly interpolate/mask/scale initial fields
226    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
227      and portions thereof.  See read_cs.txt for description and examples.
228    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
229      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
230      following the great-circle arc between those 2 points.
231    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
232      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
233  o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in  o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
234   - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)   - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
235   - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)   - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)

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