Environmental Sciences

Environmental Sciences Experts

Charles G Crawford

The U.S. Geological Survey
United States Virgin Islands


Charles G Crawford, Hydrologist National Water Quality Program,, Charles Crawford joined the U.S. Geological Survey. worked on a variety of water-quality investigations since. He is presently the National Water Quality Program Coordinator for Data Analysis and Statistics. Prior to that he was Coordinator for the National Water Quality Assessment Program Surface Water Monitoring Networks and the National Stream Quality Accounting Network.

Research Interest

 surface water quality environmental assessment nutrient transport in rivers suspended sediment transport in rivers statistical analysis


  • Long-term changes in nitrate conditions over the 20th century in two Midwestern Corn Belt streams, Kelly, Valerie J.; Stets, Edward G.; Crawford, Charles G

  • An evaluation of methods for estimating decadal stream loads, Lee, Casey; Hirsch, Robert M.; Schwarz, Gregory; Holtschlag, David J.; Preston, Stephen D.; Crawford, Charles G.; Vecchia, Skip V.

  • A method for addressing differences in concentrations of fipronil and three degradates obtained by two different laboratory methods, Crawford, Charles G.; Martin, Jeffrey D.

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