Progress Report: ASCE Task Committee on State of the Practice in Curve Number Hydrology

by Richard H. Hawkins,

Document Type: Proceeding Paper

Part of: Watershed Management and Operations Management 2000


In response to a growing awareness of the role of the Curve Number method in engineering and environmental impact applications, and its limitations, the Committee was formed in late 1997, and charged with ... collating, soliciting, and reviewing materials, and preparing a report on the state of the practice in Curve Number hydrology for rainfall-runoff estimation, not to include the associated hydrograph generation techniques. In short, this might be condensed to what do we know now that we didn't know then? A progress report to the Watershed Management 2000 Symposium in June 2000 was specified. It should be noted that the assignment excluded the triangular unit hydrographic techniques released at the same time: They were a separate contribution. While the Curve Number method is ubiquitous, enduring, and popular, there is no available document that capsulizes its current status or understanding. Such is badly needed by those who use it, teach it, or study it.

Subject Headings: Runoff curve number | Hydrology | Professional societies | Rainfall-runoff relationships | Hydrographs | Watersheds | Environmental engineering | Hydrologic engineering

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