Enhanced Runoff Curve Number Model Incorporating Storm Duration and a Nonlinear Relation
Publication: Journal of Hydrologic Engineering
Volume 11, Issue 6
Abstract
Incorporating the storm duration and a nonlinear relation for initial abstraction , this paper presents an enhanced version of the Soil Conservation Service curve number-based Mishra–Singh model. The proposed version is compared with existing formulations using a large set of storm rainfall-runoff events derived from the water database of the United States. The results of the paired -test of related samples and standard error of estimate statistic comparison of split sampling-based calibration and validation and simulation on full data set show that the proposed version performs far better than all other existing versions.
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Acknowledgments
The CSIR, Human Resource Development Group, New Delhi, India is gratefully acknowledged for the assistance provided. The writers also wish to thank the anonymous reviewers and the editors for their thoughtful and constructive comments to improve the manuscript.
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Information & Authors
Information
Published In
Journal of Hydrologic Engineering
Volume 11 • Issue 6 • November 2006
Pages: 631 - 635
Copyright
© 2006 ASCE.
History
Received: Mar 1, 2005
Accepted: Dec 22, 2005
Published online: Nov 1, 2006
Published in print: Nov 2006
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