期刊
ATMOSPHERIC SCIENCE LETTERS
卷 10, 期 1, 页码 34-42出版社
WILEY
DOI: 10.1002/asl.207
关键词
West African monsoon; harmattan; AMMA; GERBILS; SAMUM; CALIPSO
资金
- European Community's Sixth Framework Research Programme
- Natural Environment Research Council [NE/B505538/1] Funding Source: researchfish
The Saharan atmospheric boundary layer (SABL) plays a significant role in the atmospheric global circulation and directly affects the vertical redistribution of dust originated in the Sahara, the world's largest dust source. Recent measurements have revealed a variety of new dynamical mechanisms that control the structure of the SABL, which are responsible for exchange between the Saharan convective and residual boundary layers. Using new space-borne laser remote sensing data (CALIPSO) and recently published results, we provide an overview of the following known dynamical mechanisms: diurnal vertical mixing, dynamical lifting (density currents and cold air outbreaks) and topographic effects (mountains and albedo anomalies). Copyright (c) 2009 Royal Meteorological Society
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