Rivers are rapidly warming, losing oxygen; aquatic life at risk, study finds


Rivers are warming and losing oxygen faster than oceans, according to a Penn State-led study published in the journal Nature Climate Change. The study shows that of nearly 800 rivers, warming occurred in 87% and oxygen loss occurred in 70%.

The study also projects that within the next 70 years, river systems, especially in the American South, are likely to experience periods with such low levels of oxygen that the rivers could “induce acute death” for certain species of fish and threaten aquatic diversity at large.

Credit: Penn State

Research Paper: Widespread deoxygenation in warming rivers https://www.nature.com/articles/s41558-023-01793-3
News Source: https://www.eurekalert.org/news-releases/1001268

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