Researchers from the University of North Carolina at Chapel Hill and Texas A&M University used satellite images, on-the-ground measurements and a statistical model to determine how much of the earth is covered by rivers and streams. They found that global river and stream surface area is about 45 percent greater than what was indicated by previous studies.
Rivers and streams are a major source of greenhouse gas emissions, so the significantly higher river and stream surface area calculation has important implications for understanding carbon emissions.
The research paper, authored by
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