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Fact Sheet 2011–3043

Streamflow of 2010—Water Year Summary

By Xiaodong Jian, David M. Wolock, Harry F. Lins, and Steve Brady

Thumbnail of and link to report PDF (1.03 MB)Introduction

The maps and graph in this summary describe streamflow conditions for water-year 2010 (October 1, 2009 to September 30, 2010) in the context of the 81-year period 1930–2010, unless otherwise noted. The illustrations are based on observed data from the U.S. Geological Survey’s (USGS) National Streamflow Information Program. The period 1930–2010 was used because prior to 1930, the number of streamgages was too small to provide representative data for computing statistics for most regions of the country.

In the summary, reference is made to the term “runoff,” which is the depth to which a river basin, State, or other geographic area would be covered with water if all the streamflow within the area during a single year was uniformly distributed upon it. Runoff quantifies the magnitude of water flowing through the Nation’s rivers and streams in measurement units that can be compared from one area to another.

Each of the maps and graphs can be expanded to a larger view by clicking on the image. In all the graphics, a rank of 1 indicates the highest flow of all years analyzed.

First posted January 2010

For additional information contact:
Harry F. Lins, Office of Surface Water
U.S. Geological Survey
415 National Center
Reston, VA 20192
http://water.usgs.gov/osw/

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.


Suggested citation:

Jian, Xiaodong, Wolock, D.M., Lins, H.F., and Brady, Steve, 2011, Streamflow of 2010—Water year summary: U.S. Geological Survey Fact Sheet 2011–3043, 8 p., available only at https://pubs.usgs.gov/fs/2011/3043.



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