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Stream Classification in Support of Monitoring to Detect Climate Change Effects
Witt, J., J. Stamp, M. Passmore, A. Hamilton, AND B. Bierwagen. Stream Classification in Support of Monitoring to Detect Climate Change Effects. Presented at National Water Quality Monitoring Conference, Cincinnati, OH, April 28 - May 02, 2014.
Climate-related impacts on streams are occurring now and are predicted to increase. Expected impacts include rising temperatures, changes in the timing, intensity, and frequency of precipitation, and extended summer low flows. A number of state biomonitoring programs have expressed an interest in incorporating annual monitoring at minimally disturbed sites to detect temporal, climate driven stream changes and to better discern these effects compared to other stressors. The United States Environmental Protection Agency (US EPA) has been collaborating with states and US EPA regional offices to develop connected regional monitoring networks in the northeast, mid-Atlantic and southeast. To inform the design of these networks, survey data from the National Aquatic Resource Surveys have been used to identify aquatic communities along environmental gradients in order to create a stream classification that can be applied across the three regions. Here, we describe the classification groups that have been developed for the monitoring networks, methods that were used to establish thresholds to distinguish between communities, and the expected vulnerability of the classification groups to potential climate scenarios.
Abstract submission for presentation at the National Water Quality Monitoring Conference to present research results on stream classification in support of monitring to detect climate change effects.
Record Details:Record Type: DOCUMENT (PRESENTATION/ABSTRACT)
Organization:U.S. ENVIRONMENTAL PROTECTION AGENCY
OFFICE OF RESEARCH AND DEVELOPMENT
NATIONAL CENTER FOR ENVIRONMENTAL ASSESSMENT
OFFICE OF THE DEPUTY DIRECTOR