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%.
and ecosystem health," said Wei Zhi, an assistant research professor in the Department of Civil and Environmental Engineering at Penn State and lead author of the study.
The research team developed novel deep learning approaches to reconstruct consistent data to enable systematic comparison across different rivers, he explained. She added that declining oxygen in rivers, or deoxygenation, also drives the emission of greenhouse gases and leads to the release of toxic metals.on a vast range of data—from annual precipitation rates to soil type to sunlight—for 580 rivers in the United States and 216 rivers in Central Europe. The model found that 87% of the rivers have been getting warmer in the past four decades and 70% have been losing oxygen.
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