Download - Preliminary Evaluation of a one year reanalysis (2006) of dust simulation w ith AeroCom tools
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PreliminaryEvaluation of a one year reanalysis (2006)
of dust simulation with AeroCom tools
Michael SchulzSara Basart, Jose Baldasano,Jean Jacques Morcrette, Angela BenedettiNicolas Huneeus, Anne Cozic, Jan GriesfellerCarlos Perez
Norwegian Meteorological Institute, Oslo, NorwayBSC, ECMWF, Columbia University, LSCE
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Methodology• Gathering of one year model data in netcdf format, daily
on AeroCom server– BSC-DREAM8b– ECMWF-F026 (assimilating MODISaqua/terra) plus other versions– INCA-forecast plus other versions– NMMB-BSC
• Analysing daily fields of AOD, coarse mode AOD,emission, wet removal, load, surface concentration of dust
• Comparing to Aeronet data level 2, sun and sky mode– ( Total AOD@550 )– Coarse mode AOD@550
Image results accessible via WMO-SDS model subsethttp://aerocom.met.no/cgi-bin/aerocom/surfobs_annualrs.pl?MODELLIST=WMO-
SDS
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Location of sites for North Africa evaluationwhere comparison is performed
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Coarse mode aerosol optical thicknessBS
C-D
REAM
ECM
WF
INCA
NM
MB-
2000
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April-June 2006, Coarse mode AODTransport from Sahel out to Atlantic
BSC-DREAM AERONET ECMWFassim AERONET
AgoufouSahel
CapoVerdewest
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April-June 2006, Coarse mode AODTransport across the Mediterranean
BSC-DREAM AERONET ECMWFassim AERONET
ForthCrete
Toulon
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Evaluation against coarse mode AOD from Aeronet over Northern Africa 2006
BSC-
DRE
AM
ECM
WF
INCA
NM
MB-
2000
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Dust Load and dust AOD
MEC 0.65 m2 g-1 MEC 0.58 m2 g-1
BSC-
DRE
AM
ECM
WF
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Proposition for joint studyto explore usage of coarse AOD for evaluation
Complete and check diagnostics, newer model versions? Retrieve size from all tracer 3D field…
Correct budget analysis and analyse dust life time Use non-assimilated ECMWF model version
for comparison of impact of assimilation Explore the contribution of other components to coarse AOD,
remove cases which are not dust dominated
Investigate on annual basis: which cases are well captured, which pose problems
Add more models ?? Other years ??