Impact of Hydrologic Uncertainties on Flood Insurance

by Leo R. Beard, (F.ASCE), Prof. of Civ. Engrg. and Dir.; Center for Research in Water Resources, Univ. of Texas at Austin, Austin, Tex.,

Serial Information: Journal of the Hydraulics Division, 1978, Vol. 104, Issue 11, Pg. 1473-1484

Document Type: Journal Paper

Discussion: Greulich Gunther (See full record)
Discussion: Tsai Frank Y. (See full record)
Discussion: Stevens J. Neil (See full record)
Discussion: Krishnamurthy Muthusamy (See full record)
Closure: (See full record)

Abstract: Traditional techniques of flood frequency estimation produce a bias in estimated frequencies such that, on the average in a great many applications, floods will occur far more frequently than estimated. This is particularly critical in flood insurance studies. It appears to be imperative that the principle of expected probability be used in flood frequency studies in order to remove or minimize this bias, both for application in actuarial studies and for flood-plain zoning.

Subject Headings: Flood frequency | Insurance | Probability | Flood plains | Zoning | Hydrology | Uncertainty principles |

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