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news History of wind recorded in an island s mud © Copernicus Data/Sentinel-2 Marion Island (290 sq km) is the peak of a volcano. The lake is circled Scientists have reconstructed a 700-year history of how westerly winds have blown around the Southern Hemisphere. It s a remarkable record that s written in the muds at the bottom of a small lake on the remote Marion Island in the sub-Antarctic Indian Ocean. What this history reveals is that the strength and latitude of the westerlies is tied closely to temperature. And the implication is that the winds will likely intensify and move poleward as the climate warms.

South africaUnited statesUnited kingdomDominic hodgsonAntarctic indian oceanCommunications earth environmentBritish antarctic surveyAmarion islandAntarctic indianBianca perrenSouthern oceanWhite continentSouthern hemisphereLittle ice ageSouth americaCommunications earth