High Quality Content by WIKIPEDIA articles! Robert M. Hirsch is a former Associate Director for Water of the U.S. Geological Survey. As Associate Director, he was responsible for the water science programs of the USGS. These include water-related research, the collection of data on rivers and ground water, assessments of water quantity and quality. He served as the leader of USGS water science since 1994. Effective Monday, May 12, 2008 Dr. Hirsch transitioned to the USGS National Research Program to re-dedicate himself to advancing the science on critical issues of climate change and long-term trends in water resources. He began his USGS career in 1976 as a hydrologist and has conducted research on water quality statistical methods (trends and fluxes), water supply reliability, and flood frequency analysis.

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