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Relationships between mineral dust and cloud properties in the West African Sahel.

Klüser, Lars and Holzer-Popp, Thomas (2010) Relationships between mineral dust and cloud properties in the West African Sahel. Atmospheric Chemistry and Physics, 10, pp. 6901-6915. Copernicus Publications. DOI: 10.5194/acp-10-6901-2010

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Official URL: http://www.atmos-chem-phys.net/10/6901/2010/


Aerosol cloud interactions are known to be of great importance to many parts of the climate system. Five years of observations from three different satellites (Aqua, ENVISAT and Meteosat Second Generation) are used to statistically analyse the relationship of mineral dust aerosol, separated from other aerosol species, with monsoon season cloud state in the West African Sahel domain. Additionally, observations of the Tropical Rainfall Measuring Mission are used for discrimination of dry and wet seasons. The aerosolcloud- interactions are analysed separately by season and air mass in order to minimise spurious correlations with meteorological conditions. The detailed analysis uncovers different counteracting relationships of the mineral dust aerosol with the cloud state, which is also evident from an analysis of the spatial distribution patterns of cloud properties changes with dust activity. The aerosol-cloud relationships found from the analysis of this multiple year dataset are mainly consistent with the hypothesis of a suppression of convective activity, but also indications of lifetime enhancement and thus increased cloud cover and convective intensity are found in some subsets.

Item URL in elib:https://elib.dlr.de/65103/
Document Type:Article
Title:Relationships between mineral dust and cloud properties in the West African Sahel.
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Klüser, Larslars.klueser (at) dlr.deUNSPECIFIED
Holzer-Popp, Thomasthomas.holzer-popp (at) dlr.deUNSPECIFIED
Date:26 July 2010
Journal or Publication Title:Atmospheric Chemistry and Physics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
DOI :10.5194/acp-10-6901-2010
Page Range:pp. 6901-6915
Publisher:Copernicus Publications
Keywords:Mineral Dust, Aerosol-Cloud-Interactions, West Africa
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 Atmosphären- und Klimaforschung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Atmosphere
Deposited By: Klüser, Dr. Lars
Deposited On:16 Sep 2010 12:23
Last Modified:02 May 2019 14:03

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