Skip to Main Content
Book Chapter

Recognition

Published:
January 01, 1987

Abstract

This chapter presents a method by which morphometric criteria can be used to obtain a rapid first-approximation of potential debris flow hazard on alluvial fans in the Canadian Rocky Mountain Front Ranges. Geomorphic and sedimentologic evidence indicates that many fans are affected by debris flow processes. Such fans generally are steeper than 4° and have small, steep first- or second-order drainage basins with Melton’s ruggedness number (R) more than 0.25 to 0.3. Fans not prone to debris flows are dominated by fluvial processes and have gentler slopes in less rugged third-order or higher drainage basins. This morphometric approach should have wide applicability for continuously graded basins in unglacierized regions.

You do not currently have access to this article.

Figures & Tables

Contents

GSA Reviews in Engineering Geology

Debris Flows/Avalanches

John E. Costa
John E. Costa
Search for other works by this author on:
Gerald F. Wieczorek
Gerald F. Wieczorek
Search for other works by this author on:
Geological Society of America
Volume
7
ISBN electronic:
9780813758077
Publication date:
January 01, 1987

GeoRef

References

Related

Citing Books via

Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal