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A study of coherent structures in the atmospheric surface layer over short and tall grass

Sadani, LK and Kulkarni, JR (2001) A study of coherent structures in the atmospheric surface layer over short and tall grass. Boundary-Layer Meteorology, 99 (2). pp. 317-334.

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Abstract

Ejection and sweep eddy motions are coherent structures in the atmospheric surface layer. These structures are responsible for surface-layer fluxes of sensible heat and momentum. This study analyzes these structures over the same surface in short and tall grass situations. It is shown that momentum sweep eddy motions are dominant in both short and tall grass situations. The ratio between eddy structures revealed that the small-scale eddies are activated in tall grass conditions. The study applies to unstable conditions during daytime.

Item Type: Article
Additional Information: Copyright of this article belongs to Springer.
Uncontrolled Keywords: Atmospheric structure; Heat flux, Sweep eddy motions, Meteorology, atmosphere-biosphere interaction; boundary layer; eddy; surface flux; wavelet, India
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 14 Mar 2015 04:52
Last Modified: 14 Mar 2015 04:52
URI: http://moeseprints.incois.gov.in/id/eprint/1577

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