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Bluff recession rates along the Lake Michigan shoreline in Illinois

Bulletin of the Association of Engineering Geologists

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Abstract

For two time periods, 1872-1937 and 1937-1987, rates of retreat vary from 10 to 75 cm/yr between discrete segments of bluffs (defined by lithology) and between time periods for a given bluff segment. The average retreat rates for the entire area, however, do not vary significantly between the two time periods and are approximately 20-25 cm/yr. The temporally constant regional retreat rates and the regular shape of the local shoreline indicate that a long-term uniform rate of retreat prevails and that local variations in rates balance out through time to produce long-term parallel (in map view) bluff retreat in the area. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Bluff recession rates along the Lake Michigan shoreline in Illinois
Series title:
Bulletin of the Association of Engineering Geologists
Volume
29
Issue:
2
Year Published:
1992
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Bulletin of the Association of Engineering Geologists
First page:
103
Last page:
117
Number of Pages:
15