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Earth

Dry soils could forecast droughts

28 August 2004

CLIMATE scientists claim to have found a land-based equivalent of El Niño. It could allow them to forecast droughts and floods months in advance.

Forecasting more than about a week ahead has usually proved impossible because the atmosphere is so chaotic. But there are some hidden influences that guide the world’s weather. For instance, changes in sea temperatures in the eastern Pacific occur months before the big flip in global climate that we call El Niño.

Now a global research initiative headed by NASA’s Goddard Space Flight Center in Maryland has found something similar on land. According to…

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