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Original Articles

Derivation of baseflow recession constant using computer and numerical analysis

Détermination du coefficient de tarissement de l'écoulement de base

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Pages 357-367 | Received 18 Jun 1987, Accepted 07 Feb 1988, Published online: 24 Dec 2009
 

Abstract

A baseflow recession constant, which can be derived from a simple exponential equation, is used to characterize the behaviour of low flows. Its derivation and quantification is important to the water industry. The use of a computer statistical package that speeds up its derivation has been tried and found to be more effective than the present tedious manual and subjective techniques. It is therefore advocated in this paper.

Résumé

Le coefficient de tarissement de l'écoulement de base qui peut être déterminé à partir d'une simple équation exponentielle, est utilisé pour caractériser le comportement des faibles débits. Sa détermination est vitale pour l'industrie des eaux. L'utilisation d'ordinateur et de logiciels statistiques pour sa rapide détermination a été essayée et s'est avérée plus efficace que les techniques manuelles encombrantes et subjectives. C'est pourquoi elle est recommandée dans cette publication.

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