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Soil Conservation Service Curve Number (SCS-CN) Methodology
, 2003 The Soil Conservation Service (SCS) curve number (CN) method is one of the most popular methods for computing the runoff volume from a rainstorm. It is popular because it is simple, easy to understand and apply, and stable, and accounts for most of the ...
Surendra Kumar Mishra, Vijay P. Singh
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Journal of Hydrologic Engineering, 2001
The Soil Conservation Service-curve number (SCS-CN) method is analytically derived and its basis in the Mockus method analyzed. A modification and a general form of the SCS-CN method are proposed. Using data from five watersheds, the existing SCS-CN method, the proposed modification, and the Mockus method are compared.
Richard H. Hawkins +3 more
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The Soil Conservation Service-curve number (SCS-CN) method is analytically derived and its basis in the Mockus method analyzed. A modification and a general form of the SCS-CN method are proposed. Using data from five watersheds, the existing SCS-CN method, the proposed modification, and the Mockus method are compared.
Richard H. Hawkins +3 more
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Improved SCS-CN–Inspired Model
Journal of Hydrologic Engineering, 2012AbstractThe present study enhances the Soil Conservation Service curve number (SCS-CN) predictions by improving the model structure, considering the following issues of concern: implementation of antecedent moisture condition procedure, fixation of initial abstraction ratio (λ) at 0.2, usage of the potential maximum retention parameter, and ...
P. Suresh Babu, S. K. Mishra
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SCS-CN-based modeling of sediment yield
Journal of Hydrology, 2006Coupling the soil conservation service curve number (SCN-CN) method with the universal soil loss equation (USLE), a new model is proposed for the estimation of the rainstorm-generated sediment yield from a watershed. The coupling is based on three hypotheses: (1) the runoff coefficient is equal to the degree of saturation, (2) the potential maximum ...
S.K. Mishra +3 more
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2003
The Soil Conservation Service Curve Number (SCS-CN) method was developed in 1954 and is documented in Section 4 of the National Engineering Handbook (NEH-4) published by the Soil Conservation Service (now called the Natural Resources Conservation Service), U.S. Department of Agriculture in 1956.
Surendra Kumar Mishra, Vijay P. Singh
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The Soil Conservation Service Curve Number (SCS-CN) method was developed in 1954 and is documented in Section 4 of the National Engineering Handbook (NEH-4) published by the Soil Conservation Service (now called the Natural Resources Conservation Service), U.S. Department of Agriculture in 1956.
Surendra Kumar Mishra, Vijay P. Singh
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A Modified SCS-CN Method: Characterization and Testing
Water Resources Management, 2003The Soil Conservation Service Curve Number (SCS-CN) method (SCS,1956) is modified by accounting for the static portion ofinfiltration and the antecedent moisture. A volumetric analysisshows that the ratio of the potential maximum retention (S) tothe precipitation amount versus the runoff factor relation isequivalent to the average suction pressure ...
S. K. Mishra +3 more
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Analytical Derivation of the SCS-CN Method
2003Since the inception of the SCS-CN method, the issues such as the rational derivation of the method (equation (2.5)), the rationale of initial abstraction, the analytics of the S-CN mapping relation (equation (2.7)), and the CN-AMC relations have been of major concern.
Surendra Kumar Mishra, Vijay P. Singh
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Comparison of SCS-CN determination methodologies in a heterogeneous catchment
Journal of Mountain Science, 2015The aim of this study was to assess the runoff amount from a catchment characterized by diverse land uses by using the Soil Conservation Service Curve Number (SCS-CN) method based on Curve Number (CN) defined for dominant homogeneous elementary sub-regions.
Andrzej Walega +3 more
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Theory-Based SCS-CN Method and Its Applications
Journal of Hydrologic Engineering, 2010This study, by incorporating the Philip infiltration solution, constructs from a theoretical perspective an alternative model to replace the Soil Conservation Service curve-number (SCS-CN) method and provides an in-depth analysis of its variants in order to understand their limitations and accuracy.
W. H. Chung, I. T. Wang, R. Y. Wang
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Runoff Estimation Using SCS CN Method For Kelantan River Basin
, 2015 Runoff is one of the basic and crucial hydrological data which is needed in the water resources planning and management e.g. flood mitigation measures, waterways, and storage capacity and erosion control.
Abdul Malek, Ismail Adnan +5 more
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