Analyzing turbidity, suspended-sediment concentration, and particle-size distribution resulting from a debris flow on Mount Jefferson, Oregon, November 2006

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Abstract

A debris flow and sediment torrent occurred on the flanks of Mt Jefferson in Oregon on November 6, 2006, inundating 150 acres of forest. The massive debris flow was triggered by a rock and snow avalanche from the Milk Creek glaciers and snowfields during the early onset of an intense storm originating near the Hawaiian Islands. The debris flow consisted of a heavy conglomerate of large boulders, cobbles, and coarse-grained sediment that was deposited at depths of up to 15 ft and within 3 mi of the glaciers, and a viscous slurry that deposited finer-grained sediments at depths of 0.5 to 3 ft. The muddy slurry coated standing trees within the lower reaches of Milk Creek as it moved downslope.

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Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Analyzing turbidity, suspended-sediment concentration, and particle-size distribution resulting from a debris flow on Mount Jefferson, Oregon, November 2006
Year Published 2010
Language English
Publisher Joint Federal Interagency Conference
Contributing office(s) Oregon Water Science Center
Description 13 p.
Larger Work Type Conference Paper
Larger Work Title Proceedings of the Joint Federal Interagency Conference 2010 : Hydrology and sedimentation for a changing future : existing and emerging issues
Conference Title Joint Federal Interagency Conference on Sedimentation and Hydrologic Modeling
Conference Location Las Vegas, Nevada
Conference Date June 27-July 1, 2010
Country United States
State Oregon
Online Only (Y/N) N
Additional Online Files (Y/N) N