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Climate change

Water cycle shifts gear

Various studies indicate that the hydrological cycle is speeding up at high northern latitudes. The resulting increase in freshwater flow into the Arctic Ocean is predicted to have long-range effects.

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Figure 1: The vast delta of the Lena River, Russia, which is some 250 km wide.


Figure 2: Projected freshwater delivery to the ocean in the high northern (FN) and high southern (FS) latitudes.


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Stocker, T., Raible, C. Water cycle shifts gear. Nature 434, 830–833 (2005).

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