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Delineating The Subsurface: Using Surface Geophysics To Identify Groundwater Flow Paths In A Carbonate Aquifer, Paper 12

Harbert, William and Grgich, Paula and Hammack, Richard and Sams, James and Veloski, Garret and Ackman, Terry (2004) Delineating The Subsurface: Using Surface Geophysics To Identify Groundwater Flow Paths In A Carbonate Aquifer, Paper 12. Journal of Environmental Hydrology, 12 (d). 1 - 10. ISSN 1058-3912

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Abstract

This study examines stream loss in a small tributary of the Youghiogheny River known as Hoyes Run in Garrett County, Maryland. The stream bounds the pit of the Deep Creek limestone quarry, operated by Keystone Lime Company. During low flow, the stream abruptly terminates in a swallet, leaving approximately 100 m of dry streambed. In addition to geophysically investigating this swallet, our study located two other zones of loss active during periods of higher flow. Multiple resistivity profiles using the SuperSting™ Resistivity System were generated along the zone of stream loss and compared with results of ground penetrating radar (GPR) and electromagnetic conductivity (EM) profiles in the same location. Dye trace using Fluorescein™ confirmed the flow path of water from the stream into the quarry. Geologic examination of the area reveals several sizable known caves developed in the same limestone sequence; however, there are no known cave entrances in the immediate vicinity. Our study shows that surface geophysics coupled with hydrologic and geologic analysis can locate possible flow paths for groundwater in a karst aquifer, even in the absence of obvious karst surface expression. Borehole confirmation is slated before remediation measures are executed.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Harbert, Williamharbert@pitt.eduHARBERT
Grgich, Paula
Hammack, Richard
Sams, James
Veloski, Garret
Ackman, Terry
Date: 2004
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: Journal of Environmental Hydrology
Volume: 12
Number: d
Publisher: International Association for Environmental Hydrology
Page Range: 1 - 10
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Geology and Planetary Science
Refereed: Yes
ISSN: 1058-3912
Date Deposited: 25 Aug 2012 15:22
Last Modified: 25 Aug 2017 05:06
URI: http://d-scholarship.pitt.edu/id/eprint/13705

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