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2011, Volume 5, Issue 4

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Frontiers of Environmental Science & Engineering >> 2011, Volume 5, Issue 4 doi: 10.1007/s11783-011-0311-9

Environmental dispersivity in free-water-surface-effect dominated wetland: multi-scale analysis

1. State Key Laboratory of Turbulence and Complex Systems, College of Engineering, Peking University, Beijing 100871, China; 2. Department of Civil Engineering, City University of New York City College, New York, NY 10031, USA

Available online: 2011-12-05
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Abstract

Distinct from the case with width-dominated shallow wetland flows, the longitudinal evolution of contaminant concentration in the most-typical pattern of wetland as dominated by free-water-surface-effect is characterized by a multi-scale analysis in the present study. An environmental dispersion model for the evolution of the mean concentration is deduced as an extension of Taylor's classical formulation by Mei’s multi-scale analysis. Corresponding environmental dispersivity is found identical to that determined by the method of concentration moments.

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