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Imaging channelized flow in fracture...

Talley, Jennifer L.

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Imaging channelized flow in fractured rock using surface ground penetrating radar.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Imaging channelized flow in fractured rock using surface ground penetrating radar./
Author:	Talley, Jennifer L.
Description:	328 p.
Notes:	Source: Masters Abstracts International, Volume: 43-06, page: 2146.
Contained By:	Masters Abstracts International43-06.
Subject:	Geology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1426040
ISBN:	0542059258

Imaging channelized flow in fractured rock using surface ground penetrating radar.
Talley, Jennifer L.

Imaging channelized flow in fractured rock using surface ground penetrating radar. - 328 p.

Source: Masters Abstracts International, Volume: 43-06, page: 2146.

Thesis (M.S.)--State University of New York at Buffalo, 2005.

An understanding of fluid flow through fractured rock is important for monitoring and predicting contamination in bedrock hydrologic systems. Many lines of evidence suggest that water flows through bedrock fractures in a channelized manner along paths of least hydraulic resistance that are related to both fracture aperture variations and hydraulic influences. The results of this research show, for the first time, direct evidence of flow channeling at the field scale. Experiments were conducted at the Altona Flat Rocks site near Plattsburgh, New York using surface ground penetrating radar (GPR) to detect electrically conductive saline tracer moving through a sub-horizontal bedding plane fracture under various flow conditions. The theoretical basis for these experiments is the known variation in reflectivity of electromagnetic waves between fractures filled with water versus fractures filled with high-salinity tracer. Results show that hydrogeophysical investigations using GPR can successfully image tracer migration in a variety of flow configurations through both space and time. Flow channeling behaviors observed in map view images of tracer migration demonstrate meter-scale variability that can be attributed to the spatial distribution of fracture aperture.

ISBN: 0542059258Subjects--Topical Terms:

516570
Geology.

Imaging channelized flow in fractured rock using surface ground penetrating radar.
LDR:02165nmm 2200277 4500 001 1816045
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020 $a 0542059258
035 $a (UnM)AAI1426040
035 $a AAI1426040
040 $a UnM $c UnM
100 1 $a Talley, Jennifer L. $3 1905440
245 1 0 $a Imaging channelized flow in fractured rock using surface ground penetrating radar.
300 $a 328 p.
500 $a Source: Masters Abstracts International, Volume: 43-06, page: 2146.
500 $a Adviser: Matthew W. Becker.
502 $a Thesis (M.S.)--State University of New York at Buffalo, 2005.
520 $a An understanding of fluid flow through fractured rock is important for monitoring and predicting contamination in bedrock hydrologic systems. Many lines of evidence suggest that water flows through bedrock fractures in a channelized manner along paths of least hydraulic resistance that are related to both fracture aperture variations and hydraulic influences. The results of this research show, for the first time, direct evidence of flow channeling at the field scale. Experiments were conducted at the Altona Flat Rocks site near Plattsburgh, New York using surface ground penetrating radar (GPR) to detect electrically conductive saline tracer moving through a sub-horizontal bedding plane fracture under various flow conditions. The theoretical basis for these experiments is the known variation in reflectivity of electromagnetic waves between fractures filled with water versus fractures filled with high-salinity tracer. Results show that hydrogeophysical investigations using GPR can successfully image tracer migration in a variety of flow configurations through both space and time. Flow channeling behaviors observed in map view images of tracer migration demonstrate meter-scale variability that can be attributed to the spatial distribution of fracture aperture.
590 $a School code: 0656.
650 4 $a Geology. $3 516570
650 4 $a Geotechnology. $3 1018558
690 $a 0372
690 $a 0428
710 2 0 $a State University of New York at Buffalo. $3 1017814
773 0 $t Masters Abstracts International $g 43-06.
790 1 0 $a Becker, Matthew W., $e advisor
790 $a 0656
791 $a M.S.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1426040