Hydraulics of the August 7, 1980, pyroclastic flow at Mount St. Helens, Washington

A. H. Levine, S. W. Kieffer

Research output: Contribution to journalArticlepeer-review

Abstract

Open-channel hydraulic theory for flow of an inviscid fluid down a channel of changing slope and width yields a longitudinal velocity profile that matches measured velocities of the August 7, 1980, pyroclastic flow at Mount St. Helens. The model is useful for prediction of zones of erosion, deposition, and hazards. It requires only topographic data, estimates of volumetric flow rate, and a Manning coefficient appropriate for the channel. -Authors

Original languageEnglish (US)
Pages (from-to)1121-1124
Number of pages4
JournalGeology
Volume19
Issue number11
DOIs
StatePublished - Jan 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Geology

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