National Water-Quality Assessment (NAWQA) Program

   Home    Headlines    Featured Studies    Liaison Committee    Informing Decision Makers    Data    Modeling/Software    Publications    Maps

Differences in Phosphorus and Nitrogen Delivery to the Gulf of Mexico from the Mississippi River Basin

by Richard B. Alexander, Richard A. Smith, Gregory E. Schwarz, Elizabeth W. Boyer, Jacqueline V. Nolan, and John W. Brakebill

Article and supplemental material in Environmental Science and Technology

Press Release

Podcast

Maps and graphics

Frequently Asked Questions

Related links:

For additional information on the study, please contact:

Richard Alexander
U.S. Geological Survey
12201 Sunrise Valley Drive, MS 413
Reston, Virginia 20192
Email: ralex@usgs.gov
Phone: (703)648-6869

Accessibility FOIA Privacy Policies and Notices

Take Pride in America home page. FirstGov button U.S. Department of the Interior | U.S. Geological Survey
URL: http://water.usgs.gov/nawqa/sparrow/gulf_findings/index.html
Page Contact Information: gs-w_nawqa_whq@usgs.gov
Page Last Modified: Tuesday, 04-Mar-2014 14:45:03 EST