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dc.contributor.authorKöhler, Claas H.
dc.contributor.authorTrautmann, Thomas
dc.contributor.authorLindermeir, Erwin
dc.contributor.authorVreeling, Willem
dc.contributor.authorLieke, Kirsten
dc.contributor.authorKandler, Konrad
dc.contributor.authorWeinzierl, Bernadett
dc.contributor.authorGross, Silke
dc.contributor.authorTesche, Matthias
dc.contributor.authorWendisch, Manfred
dc.identifier.citationKöhler , C H , Trautmann , T , Lindermeir , E , Vreeling , W , Lieke , K , Kandler , K , Weinzierl , B , Gross , S , Tesche , M & Wendisch , M 2011 , ' Thermal IR radiative properties of mixed mineral dust and biomass aerosol during SAMUM-2 ' , Tellus Series B-Chemical and Physical Meteorology , vol. 63 , no. 4 , pp. 751-769 .
dc.identifier.otherPURE: 8756459
dc.identifier.otherPURE UUID: 546ebc26-9fc5-4a45-8d64-b8da6f7f69a9
dc.identifier.otherScopus: 80052005858
dc.description.abstractGround-based high spectral resolution measurements of downwelling radiances from 800 to 1200cm-1 were conducted between 20 January and 6 February 2008 within the scope of the SAMUM-2 field experiment. We infer the spectral signature of mixed biomass burning/mineral dust aerosols at the surface from these measurements and at top of the atmosphere from IASI observations. In a case study for a day characterized by the presence of high loads of both dust and biomass we attempt a closure with radiative transfer simulations assuming spherical particles. A detailed sensitivity analysis is performed to investigate the effect of uncertainties in the measurements ingested into the simulation on the simulated radiances. Distinct deviations between modelled and observed radiances are limited to a spectral region characterized by resonance bands in the refractive index. A comparison with results obtained during recent laboratory studies and field experiments reveals, that the deviations could be caused by the aerosol particles' non-sphericity, although an unequivocal discrimination from measurement uncertainties is not possible. Based on radiative transfer simulations we estimate the aerosol's direct radiative effect in the atmospheric window region to be 8 W m-2 at the surface and 1 W m-2 at top of the atmosphere.en
dc.relation.ispartofTellus Series B-Chemical and Physical Meteorology
dc.subjectAtmospheric Science
dc.titleThermal IR radiative properties of mixed mineral dust and biomass aerosol during SAMUM-2en
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
rioxxterms.typeJournal Article/Review

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