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Airborne spectral radiation measurements to derive solar radiative forcing of Saharan dust mixed with biomass burning smoke particles

Bauer, S. und Bierwirth, E. und Esselbo, M. und Petzo, A. und Macke, A. und Trautmann, T. und Wendisch, M. (2011) Airborne spectral radiation measurements to derive solar radiative forcing of Saharan dust mixed with biomass burning smoke particles. Tellus B - Chemical and Physical Meteorology, 63, Seiten 742-750. DOI: 10.1111/j.1600-0889.2011.00567.x. ISSN 0280-6509.

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Offizielle URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0889.2011.00567.x/pdf

Kurzfassung

Airborne measurements of upward solar spectral irradiances were performed during the second Saharan Mineral dUst experiMent (SAMUM-2) campaign based on the Cape Verde Islands. Additionally, airborne high resolution lidar measurements of vertical profiles of particle extinction coefficients were collected in parallel to the radiation data. Aerosol layers of Saharan dust, partly mixed with biomass-burning smoke, were probed. With corresponding radiative transfer simulations the single scattering albedo and the asymmetry parameter of the aerosol particles were derived although with high uncertainty. The broad-band aerosol solar radiative forcing at the top of atmosphere was calculated and examined as a function of the aerosol types. However, due to uncertainties in both the measurements and the calculations the chemical composition cannot be identified. In addition, a mostly measurement-based method to derive the broad-band aerosol solar radiative forcing was used. This approach revealed clear differences of broad-band net irradiances as a function of the aerosol optical depth. The data were used to identify different aerosol types from different origins. Higher portions of biomass-burning smoke lead to larger broad-band net irradiances.

Dokumentart:Zeitschriftenbeitrag
Titel:Airborne spectral radiation measurements to derive solar radiative forcing of Saharan dust mixed with biomass burning smoke particles
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Bauer, S.Univ Leipzig, Leipzig
Bierwirth, E.Univ Leipzig, Leipzig
Esselbo, M.DLR, IPA
Petzo, A.DLR, IPA
Macke, A.IFT Leipzig,
Trautmann, T.DLR, IMF
Wendisch, M.Univ Leipzig, Leipzig
Datum:2011
Erschienen in:Tellus B - Chemical and Physical Meteorology
Referierte Publikation:Ja
In Open Access:Ja
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:63
DOI :10.1111/j.1600-0889.2011.00567.x
Seitenbereich:Seiten 742-750
ISSN:0280-6509
Status:veröffentlicht
Stichwörter:Mineral dust, SAMUM, solar radiation, aerosol climate effect
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erdbeobachtung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):R - Vorhaben Atmosphären- und Klimaforschung
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Methodik der Fernerkundung
Institut für Physik der Atmosphäre > Lidar
Hinterlegt von: Dr.rer.nat. Andreas Petzold
Hinterlegt am:07 Dez 2011 11:35
Letzte Änderung:12 Dez 2013 21:27

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