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Characterization Methods for Fractured Glacial Tills

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/23858

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dc.creator Haefner, Ralph J. en_US
dc.date.accessioned 2006-07-07T18:25:31Z
dc.date.available 2006-07-07T18:25:31Z
dc.date.issued 2000-06 en_US
dc.identifier.citation The Ohio Journal of Science. v100, n3-4 (June-September, 2000), 73-87 en_US
dc.identifier.issn 0030-0950 en_US
dc.identifier.uri http://hdl.handle.net/1811/23858
dc.description Author Institution: US Geological Survey, Water Resources Division en_US
dc.description.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. en_US
dc.format.extent 1878040 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.title Characterization Methods for Fractured Glacial Tills en_US