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Atmospheric science

Long-range linkage

Evidence indicates that the continued loss of Arctic sea-ice and snow cover may influence weather at lower latitudes. Now correlations between high-latitude cryosphere changes, hemispheric wind patterns and mid-latitude extreme events are shown for the Northern Hemisphere.

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Figure 1: Northern Hemisphere geopotential height anomalies.


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The work is supported by the NOAA Arctic Research Project of the Climate Program Office and by the Office of Naval Research, Code 322; PMEL contribution no. 4088.

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Correspondence to James E. Overland.

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Overland, J. Long-range linkage. Nature Clim Change 4, 11–12 (2014).

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