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Vertically resolved dust optical properties during SAMUM: Tinfou compared to Ouarzazate

Heese, Birgit and Althausen, Dietrich and Dinter, Tilmann and Esselborn, Michael and Müller, Thomas and Tesche, Matthias and Wiegner, Matthias (2009) Vertically resolved dust optical properties during SAMUM: Tinfou compared to Ouarzazate. Tellus B - Chemical and Physical Meteorology, 61B, pp. 195-205. DOI: 10.1111/j.1600-0889.2008.00404.x.

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

Abstract

Vertical profiles of dust key optical properties are presented from measurements during the Saharan Mineral Dust Experiment (SAMUM) by Raman and depolarization lidar at two ground�based sites and by airborne High Spectral Resolution Lidar. One of the sites, Tinfou, is located close to the border of Sahara in southern Morocco and was the main in�situ site during SAMUM. The other site was Ouarzazate airport, the main lidar site during SAMUM. From the lidar measurements the spatial distribution of the dust between Tinfou and Ouarzazate was derived for one day. The retrieved profiles of backscatter and extinction coefficients and particle depolarization ratios show comparable dust optical properties, a similar vertical structure of the dust layer, and a height of about 4 km asl at both sites. The airborne cross section of the extinction coefficient at the two sites confirms the low variability in dust properties. Although the general picture of the dust layer was similar, the lidar measurements reveal a higher dust load closer to the dust source. Nevertheless, the observed intensive optical properties were the same. These results indicate that the lidar measurements at two sites close to the dust source are both representative for the SAMUM dust conditions.

Document Type:Article
Title:Vertically resolved dust optical properties during SAMUM: Tinfou compared to Ouarzazate
Authors:
AuthorsInstitution or Email of Authors
Heese, BirgitIfT, Leipzig
Althausen, DietrichIfT, Leipzig
Dinter, TilmannIER, Bremen
Esselborn, MichaelUNSPECIFIED
Müller, ThomasIfT, Leipzig
Tesche, MatthiasIfT, Leipzig
Wiegner, MatthiasMIM, München
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.1600-0889.2008.00404.x
Page Range:pp. 195-205
Status:Published
Keywords:Saharan dust, Raman lidar, HSRL, lidar, SAMUM
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:16 Dec 2008
Last Modified:12 Dec 2013 20:35

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