Streamflow of 2009--Water year summary
Fact Sheet
2010-3058
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Abstract
The maps and graph in this summary describe streamflow conditions for water-year 2009 (October 1, 2008 to September 30, 2009) in the context of the 80-year period 1930-2009, unless otherwise noted. The illustrations are based on observed data from the U.S. Geological Survey's National Streamflow Information Program. The period 1930-2009 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.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Streamflow of 2009--Water year summary |
| Series title | Fact Sheet |
| Series number | 2010-3058 |
| DOI | 10.3133/fs20103058 |
| Year Published | 2010 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Office of Surface Water |
| Description | 8 p. |
| Country | United States |
| Online Only (Y/N) | Y |
| Google Analytic Metrics | Metrics page |