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GEOREF RECORD

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

Alan H. Levine and Susan W. Kieffer
Hydraulics of the August 7, 1980, pyroclastic flow at Mount St. Helens, Washington
Geology (Boulder) (November 1991) 19 (11): 1121-1124

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.


ISSN: 0091-7613
EISSN: 1943-2682
Coden: GLGYBA
Serial Title: Geology (Boulder)
Serial Volume: 19
Serial Issue: 11
Title: Hydraulics of the August 7, 1980, pyroclastic flow at Mount St. Helens, Washington
Affiliation: Ariz. State Univ., Dep. Geol., Tempe, AZ, United States
Pages: 1121-1124
Published: 199111
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 20
Accession Number: 1991-047318
Categories: Igneous and metamorphic petrologyEngineering geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, sketch map
N45°34'60" - N46°22'60", W122°15'00" - W121°30'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 1991
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