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United States Department of Agriculture

Agricultural Research Service

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AFSRC Picture of the Week, August 4, 2008
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Graduate student releasing dye

The AFSRC program is known worldwide for excellence in fundamental research on karst landscape water quality. Dr. Doug Boyer, Hydrologist, is working with John Tudek, geology graduate student at West Virginia University, to develop an understanding of the hydrology of West Virginia’s Greenbrier Limestone karst. John is injecting a red fluorescent water-tracing dye into a sinking karst stream to determine the travel time to a large spring. Derek Hall, AFSRC Physical Science Technician, is assisting.

Photo by Doug Boyer

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Last Modified: 8/5/2008
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