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. 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.
|Title:||Relationships between mineral dust and cloud properties in the West African Sahel.|
|Date:||26 July 2010|
|Journal or Publication Title:||Atmospheric Chemistry and Physics|
|In Open Access:||Yes|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 6901-6915|
|Keywords:||Mineral Dust, Aerosol-Cloud-Interactions, West Africa|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Atmosphären- und Klimaforschung|
|Institutes and Institutions:||German Remote Sensing Data Center > Atmosphere|
|Deposited By:||Dipl. Met. Lars Klüser|
|Deposited On:||16 Sep 2010 12:23|
|Last Modified:||04 Apr 2013 09:42|
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