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DRASTIC Hydrogeologic Settings Modified for Fractured Till: Part 2. Field Observations

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/36430

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Title: DRASTIC Hydrogeologic Settings Modified for Fractured Till: Part 2. Field Observations
Creators: Weatherington-Rice, Julie; Christy, Ann D.; Angle, Michael P.; Gehring, Richard; Aller, Linda
Issue Date: 2006-04
Citation: The Ohio Journal of Science, v106, n2 (April, 2006), 51-63.
Abstract: Developed as a companion paper to "DRASTIC Hydrogeologic Settings Modified for Fractured Till: Part 1. Theory," twenty-one field sites around glaciated Ohio were visited to determine if fractures were present in the soils and underlying parent materials at each location. Four sites were featured with indepth discussions. In all, 23 of the original 95 fractured soils identified in Tornes and others (2000) were confirmed in the field and four new soils were added to the list: Amanda, Avonburg, Blanchester, and Clermont. Settings were grouped by common glacial and soils characteristics where they were linked to predict similar conditions over a wider ranging area. Modifications to their site specific DRASTIC ratings can be extrapolated to the larger geologic regions. All 21 sites were evaluated for their DRASTIC settings and new Ground Water Pollution Potential numbers were assigned where necessary. Modification of the DRASTIC mapping method has made the Ohio Ground Water Pollution Potential mapping program more protective of Ohio's ground water supplies. DRASTIC mapping efforts can play an important role in not only statewide but also local ground water pollution protection efforts.
URI: http://hdl.handle.net/1811/36430
ISSN: 0030-0950
Rights: Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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