USGS Scientific Investigations Report 2013–5103  - Application of the SPARROW Model to Assess Surface-Water Nutrient Conditions and Sources in the United States Pacific Northwest

Scientific Investigations Report 2013–5103 

Application of the SPARROW Model to Assess Surface-Water Nutrient Conditions and Sources in the United States Pacific Northwest

Figure 2. Largest local sources of total nitrogen for National Hydrography Dataset catchments in the United States Pacific Northwest (2002 conditions).

First posted July 17, 2013

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/sir/2013/5103/figure2.html
Page Contact Information: GS Pubs Web Contact
Page Last Modified: Tuesday, 14-May-2013 21:23:24 EDT