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Characterization methods for fractured glacial tills

Ohio Journal of Science

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Abstract

This paper provides a literature review of methods successfully employed to characterize finegrained and fractured or unfractured glacial deposits. Descriptions and examples are given for four major categories of characterization methods: physical, hydraulic, chemical, and indirect. Characterization methods have evolved significantly within the past ten years; however, there still exists uncertainty about the reliability of individual characterization methods applied to till deposits. Therefore, a combination of methods is best, the choice of which depends on the objectives of the work. Sampling methods, sampling scales, and reporting methods are extremely important and should be considered when interpreting and comparing results between sites. Recognition of these issues is necessary to ensure that decisions regarding the transport of fluids in fractured tills are not based on the assumption that poorly permeable tills are always an inhibitor of subsurface flow.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Characterization methods for fractured glacial tills
Series title:
Ohio Journal of Science
Volume
100
Issue:
3-4
Year Published:
2000
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Ohio Journal of Science
First page:
73
Last page:
87
Number of Pages:
15