Trends in Streamflow of the San Pedro River, Southeastern Arizona
Fact Sheet
2006-3004
Prepared in cooperation with the Bureau of Land Management
By: Blakemore E. Thomas
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Abstract
Total annual streamflow of the San Pedro River at Charleston in southeastern Arizona (fig. 1) decreased by about 66 percent from 1913 to 2002 (fig. 2). The San Pedro River is one of the few remaining free-flowing perennial streams in the arid Southwestern United States, and the riparian forest along the river supports several endangered species and is an important habitat for migratory birds. The decreasing trend in streamflow has led to concerns that riparian habitat may be damaged and that overall long-term water supply for a growing population may be threatened. Resource managers and the public have an interest in learning more about the trend and the possible causes of the trend.
Suggested Citation
Thomas, B.E., 2006, Trends in Streamflow of the San Pedro River, Southeastern Arizona: U.S. Geological Survey Fact Sheet 2006-3004, 4 p., https://doi.org/10.3133/fs20063004.
ISSN: 2327-6932 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Trends in Streamflow of the San Pedro River, Southeastern Arizona |
| Series title | Fact Sheet |
| Series number | 2006-3004 |
| DOI | 10.3133/fs20063004 |
| Year Published | 2006 |
| Language | ENGLISH |
| Publisher | Geological Survey (U.S.) |
| Contributing office(s) | Arizona Water Science Center |
| Description | 4 p. |