Soil Conservation Service Curve Number (SCS-CN) Methodology / Edition 1

Soil Conservation Service Curve Number (SCS-CN) Methodology / Edition 1

by S.K. Mishra, Vijay Singh, S. K. Mishra
     
 

ISBN-10: 1402011326

ISBN-13: 9781402011320

Pub. Date: 02/28/2003

Publisher: Springer Netherlands

Recent contributions have significantly enhanced the understanding of the SCS-CN method and consequently its application potential. In the simplest form, the fundamental proportionality concept of the method relates the two orthogonal hydrological processes of surface water and ground water and the other hypothesis relates to the atmospheric process. Qualitatively,

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Overview

Recent contributions have significantly enhanced the understanding of the SCS-CN method and consequently its application potential. In the simplest form, the fundamental proportionality concept of the method relates the two orthogonal hydrological processes of surface water and ground water and the other hypothesis relates to the atmospheric process. Qualitatively, the method broadly integrates all the three major processes of the hydrologic cycle; and therefore it can form one of the fundamental concepts of hydrology. This textbook is aimed at presenting an up-to-date account of the SCS-CN method and clarify its potential for practical applications, and especially those other than originally intended. The subject matter of the book is divided into nine chapters, treating the following topics: a brief introduction of rainfall-runoff modeling and elements of catchment, precipitation, interception, surface detention and depression storage, evaporation, infiltration, runoff, and the runoff hydrograph; the factors affecting the curve number (CN), the determination of CN, the use of NEH-4 tables, sensitivity analysis, advantages and limitations of the SCS-CN method, and application to distributed watershed modeling; an analytical derivation of the SCS-CN method focusing on the Mockus and other methods; a determination of 'S' using the volumetric concept encompassing an analytical derivation, verification of the existing AMC criteria, determination of S, use of NEH-4 tables and advantages and limitations of the modified model; the determination of 'S' using physical principles, involving Fokker-Planck equation of infiltration, description of S, S/P relations for the modified model and determination of Ds from universal soil loss equation; simulation of infiltration and runoff hydrographs, with particular emphasis on SCS-CN-based infiltration and runoff models and application of infiltration and runoff models; long-term hydrologic simula

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Product Details

ISBN-13:
9781402011320
Publisher:
Springer Netherlands
Publication date:
02/28/2003
Series:
Water Science and Technology Library Series, #42
Edition description:
2003
Pages:
516
Product dimensions:
9.21(w) x 6.14(h) x 1.19(d)

Table of Contents

1 Introduction.- 2. SCS-CN Method.- 3. Analytical Derivation of the SCS-CN Method.- 4. Determination of ‘S’ Using Volumetric Concept.- 5. Determination of ‘S’ Using Physical Principles.- 6. Infiltration and Runoff Hydrograph Simulation.- 7. Long-Term Hydrologic Simulation.- 8. Transport of Urban Pollutants.- 9. Sediment Yield.- Appendix B: Marquardt Algorithm.- Appendix C: Analytical Derivation For Wave Characteristics.- Appendix D: Universal Soil Loss Equation.- References.- Author Index.

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