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The mixing of rain with near-surface water

Published online by Cambridge University Press:  19 April 2006

T. Green  and
D. F. Houk
T. Green
Affiliation:
Department of Civil and Environmental Engineering, University of Wisconsin, Madison
D. F. Houk
Affiliation:
Department of Civil and Environmental Engineering, University of Wisconsin, Madison Present address: West Shore Community College, Ludington, Michigan.
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Abstract

The mixing of rain with otherwise calm near-surface water is investigated experimentally, using both uniform drops and crude drop-size distributions. The results are interpreted in terms of mixed-layer depths and the upward entrainment of quiescent water. Large drops, even in quite small numbers, are shown to play a very important role in the mixing process. Entrainment coefficients vary as the inverse of a suitably defined bulk Richardson number, and behave similarly in both fresh and salt receiving water.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 90 , Issue 3 , 13 February 1979 , pp. 569 - 588
Copyright
© 1979 Cambridge University Press

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