Arctic rivers discharge more freshwater into ocean, reflecting changes to hydrol

Far northern rivers are discharging increasing amounts of freshwater into the Arctic Ocean, due to intensified precipitation caused by global warming, say researchers at the Hadley Centre for Climate Prediction and Research in the United Kingdom.

Water exchange between the ocean, atmosphere, and land is called the global hydrological cycle. As Earth’s climate warms, the rate of this exchange is expected to increase. As part of this process, high-latitude precipitation and, consequently, river runoffs are also expected to increase. This could change the distribution of water on Earth’s surface, with important social and economic consequences.

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