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Spatial distribution and optical properties of Saharan dust observed by airborne high spectral resolution lidar during SAMUM 2006

Esselborn, Michael and Wirth, Martin and Fix, Andreas and Weinzierl, Bernadett and Rasp, Katharina and Tesche, Matthias and Petzold, Andreas (2009) Spatial distribution and optical properties of Saharan dust observed by airborne high spectral resolution lidar during SAMUM 2006. Tellus B - Chemical and Physical Meteorology, 61B, pp. 131-143. DOI: 10.1111/j.1600-0889.2008.00394.x.

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Official URL: http://www3.interscience.wiley.com/journal/118533053/home

Abstract

Airborne measurements of pure Saharan dust extinction and backscatter coef- ficients, the corresponding lidar ratio and the aerosol optical thickness (AOT) have been performed during the Saharan Mineral Dust Experiment 2006 with a high spectral resolution lidar. Maximum AOT values at 532 nm encountered during the DLR Falcon research flights were 0.50-0.55. A significant horizontal variability of the AOT south of the High Atlas mountain range was observed even in cases of a well mixed dust layer. High vertical variations of the dust lidar ratio of 38-50 sr were observed in cases of stratified dust layers. The variability of the lidar ratio was attributed to dust advection from different source regions. The aerosol depolarization ratio was about 30 % at 532 nm during all measurements and showed only marginal vertical variations. The dust layers were found to range from ground up to 4-6 km above sea level (ASL).

Document Type:Article
Title:Spatial distribution and optical properties of Saharan dust observed by airborne high spectral resolution lidar during SAMUM 2006
Authors:
AuthorsInstitution or Email of Authors
Esselborn, MichaelUNSPECIFIED
Wirth, MartinUNSPECIFIED
Fix, AndreasUNSPECIFIED
Weinzierl, BernadettUNSPECIFIED
Rasp, KatharinaUNSPECIFIED
Tesche, MatthiasIfT, Leipzig
Petzold, AndreasUNSPECIFIED
Date:2009
Journal or Publication Title:Tellus B - Chemical and Physical Meteorology
Refereed publication:Yes
In Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:61B
DOI:10.1111/j.1600-0889.2008.00394.x
Page Range:pp. 131-143
Status:Published
Keywords:Saharan dust, lidar ratio, aerosol detection, extinction, AOT, mineral dust
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben LIDAR-Forschung und -Entwicklung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Michael Esselborn
Deposited On:10 Dec 2008
Last Modified:12 Dec 2013 20:29

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