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

Bauer, S. and Bierwirth, E. and Esselbo, M. and Petzo, A. and Macke, A. and Trautmann, T. and 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, pp. 742-750. Taylor & Francis. DOI: 10.1111/j.1600-0889.2011.00567.x ISSN 0280-6509

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

Abstract

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.

Item URL in elib:https://elib.dlr.de/72441/
Document Type:Article
Title:Airborne spectral radiation measurements to derive solar radiative forcing of Saharan dust mixed with biomass burning smoke particles
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bauer, S.Univ Leipzig, LeipzigUNSPECIFIED
Bierwirth, E.Univ Leipzig, LeipzigUNSPECIFIED
Esselbo, M.DLR, IPAUNSPECIFIED
Petzo, A.DLR, IPAUNSPECIFIED
Macke, A.IFT Leipzig,UNSPECIFIED
Trautmann, T.DLR, IMFUNSPECIFIED
Wendisch, M.Univ Leipzig, LeipzigUNSPECIFIED
Date:2011
Journal or Publication Title:Tellus B - Chemical and Physical Meteorology
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:No
Volume:63
DOI :10.1111/j.1600-0889.2011.00567.x
Page Range:pp. 742-750
Publisher:Taylor & Francis
ISSN:0280-6509
Status:Published
Keywords:Mineral dust, SAMUM, solar radiation, aerosol climate effect
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Institute of Atmospheric Physics > Lidar
Deposited By: Petzold, Dr.rer.nat. Andreas
Deposited On:07 Dec 2011 11:35
Last Modified:08 Mar 2018 18:52

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