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- Title
Rising stream and river temperatures in the United States.
- Authors
Kaushal, Sujay S.; Likens, Gene E.; Jaworski, Norbert A.; Pace, Michael L.; Sides, Ashley M.; Seekell, David; Belt, Kenneth T.; Secor, David H.; Wingate, Rebecca L.
- Abstract
Water temperatures are increasing in many streams and rivers throughout the US. We analyzed historical records from 40 sites and found that 20 major streams and rivers have shown statistically significant, long-term warming. Annual mean water temperatures increased by 0.009-0.077°C y-1, and rates of warming were most rapid in, but not confined to, urbanizing areas. Long-term increases in stream water temperatures were typically correlated with increases in air temperatures. If stream temperatures were to continue to increase at current rates, due to global warming and urbanization, this could have important effects on eutrophication, ecosystem processes such as biological productivity and stream metabolism, contaminant toxicity, and loss of aquatic biodiversity.
- Subjects
UNITED States; RIVERS; WATER temperature; ATMOSPHERIC temperature; AQUATIC biodiversity; BIOLOGICAL productivity; GLOBAL warming
- Publication
Frontiers in Ecology & the Environment, 2010, Vol 8, Issue 9, p461
- ISSN
1540-9295
- Publication type
Article
- DOI
10.1890/090037