shrug-l: proportion of watershed upstream of monitoring location

Michael McManus mmcmanus at TNC.ORG
Fri Sep 7 08:26:42 EDT 2007

I have a point shape file of monitoring locations on rivers.  I have a shape
file of the watershed polygons in which those monitoring stations are
located.  For a particular monitoring location, how do I calculate the
proportion of the watershed that is upstream from that location?


Michael McManus
Senior Aquatic Ecologist
The Nature Conservancy
625 N. Adams Street
Tallahassee FL 32301
850.222.0199 (office)
850.559.1530 (cell)
850.222.0973 (fax)

Courtesy Research Associate
Department of Biological Science
Florida State University
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