Estuary Classification Revisited release_7yzt7m7w4refvmyrtdxjkgtksi

by Anirban Guha, Gregory A. Lawrence

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2013  

Abstract

This paper presents the governing equations of a tidally-averaged, width-averaged, rectangular estuary in completely nondimensionalized forms. Subsequently, we discover that the dynamics of an estuary is entirely controlled by only two variables: (i) the Estuarine Froude number, and (ii) a nondimensional number related to the Estuarine Aspect ratio and the Tidal Froude number. Motivated by this new observation, the problem of estuary classification is re-investigated. Our analysis shows that the two control variables are capable of completely determining the stratification at the estuary mouth, and therefore can specify the estuary type. The theoretical estuary classification scheme proposed in this paper is validated against real estuarine data collected from existing literature. Our classification scheme on comparison with the state-of-the-art theory shows significant improvement.
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Type  article
Stage   accepted
Date   2013-09-01
Version   v6
Language   en ?
arXiv  1203.2692v6
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