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Climate change

Southern see-saw seen

The bipolar see-saw hypothesis provides an explanation for why temperature shifts in the two hemispheres were out of phase at certain times. The hypothesis has now passed a test of one of its predictions.

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Figure 1: Possible chain of events during the last deglaciation.


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Severinghaus, J. Southern see-saw seen. Nature 457, 1093–1094 (2009).

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