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Abrupt climate changes and sea level rise during the last deglaciation (21,000 to 7,000 years ago)

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The last deglaciation (21-7 ka) was punctuated by several abrupt climatic and sea level changes in which ice sheets are thought to have played an important role. This talk presents recently published and new unpublished results that elucidate the mechanisms of ice sheet melt and their climate impact in two major events: (i) the MWP -1a, a ~ 14-18 m global sea level rise in less than 350 years which coincided with the rapid N. Hemisphere Bolling warming ; (ii) the ‘8.2 kyr event’, a century long cooling event attributed to the sudden release of N. American glacial lakes.

This talk is part of the British Antarctic Survey series.

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