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Nature 444, 562-563 (30 November 2006) | doi:10.1038/444562a; Published online 29 November 2006
Hydrology: Water from on high
Dennis P. Lettenmaier1 & James S. Famiglietti2
Abstract
Data on changes in water storage in the Congo basin show how GRACE, a pair of satellites designed to record variations in Earth's gravitational field, is benefiting the study of the planet's water cycle.
Hydrologists yearn above all to close Earth's water balance. This is essentially a housekeeping task: to measure precisely where and in what quantities Earth stores water, and how the water moves between those stores.
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