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Soil Conservation Service Curve Number (SCS-CN) Methodology (Paperback, Softcover reprint of hardcover 1st ed. 2003)
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Soil Conservation Service Curve Number (SCS-CN) Methodology (Paperback, Softcover reprint of hardcover 1st ed. 2003)
Series: Water Science and Technology Library, 42
Expected to ship within 10 - 15 working days
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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 runoff
producing watershed characteristics, such as soil type, land use,
hydrologic condition, and antecedent moisture condition. The SCS-CN
method was originally developed for its use on small agricultural
watersheds and has since been extended and applied to rural, forest
and urban watersheds. Since the inception of the method, it has
been applied to a wide range of environments. In recent years, the
method has received much attention in the hydrologic literature.
The SCS-CN method was first published in 1956 in Section-4 of the
National Engineering Handbook of Soil Conservation Service (now
called the Natural Resources Conservation Service), U. S.
Department of Agriculture. The publication has since been revised
several times. However, the contents of the methodology have been
nonetheless more or less the same. Being an agency methodology, the
method has not passed through the process of a peer review and is,
in general, accepted in the form it exists. Despite several
limitations of the method and even questionable credibility at
times, it has been in continuous use for the simple reason that it
works fairly well at the field level.
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