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An externally‐forced decadal rainfall seesaw pattern over the Sahel and southeast Amazon
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2019
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Source: Geophysical Research Letters, 46(2)
[PDF-1.88 MB]
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Journal Title:Geophysical Research Letter
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Description:By analyzing observations and model simulations, here we show that there exists a significant anticorrelation on interannual to multidecadal time scales between the Sahel and southeast Amazon rainfall during July-August-September. This rainfall seesaw, which is strongest on decadal to multidecadal scales, is due to an anomalous meridional gradient of sea surface temperatures across the tropical Atlantic that pushes the Intertropical Convergence Zone and its associated rain belt toward the anomalously warm hemisphere.
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Source:Geophysical Research Letters, 46(2)
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Rights Information:CC BY-NC-ND
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Compliance:Submitted
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