Quantifying Land Surface Temperature Variability for Two Sahelian Mesoscale Regions during the Wet Season

Land–atmosphere feedbacks play an important role in the weather and climate of many semiarid regions. These feedbacks are strongly controlled by how the surface responds to precipitation events, which regulate the return of heat and moisture to the atmosphere. Characteristics of the surface can resu...

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Bibliographic Details
Published in:Journal of hydrometeorology 2013-10, Vol.14 (5), p.1605-1619
Main Authors: De Kauwe, Martin G., Taylor, Christopher M., Harris, Philip P., Weedon, Graham P., Ellis, Richard. J.
Format: Article
Language:English
Subjects:
Forest soils
Grassland soils
Hubble Space Telescope
Land cover
Periodicity
Pixels
Rain
Soil water
Statistical variance
Vegetation
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Summary:Land–atmosphere feedbacks play an important role in the weather and climate of many semiarid regions. These feedbacks are strongly controlled by how the surface responds to precipitation events, which regulate the return of heat and moisture to the atmosphere. Characteristics of the surface can result in both differing amplitudes and rates of warming following rain. Spectral analysis is used to quantify these surface responses to rainfall events using land surface temperature (LST) derived from Earth observations (EOs). The authors analyzed two mesoscale regions in the Sahel and identified distinct differences in the strength of the short-term (
ISSN:1525-755X
1525-7541
DOI:10.1175/jhm-d-12-0141.1