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1 Antarctic Research Centre and School of Earth Sciences, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
Advance and retreat of temperate glaciers is largely controlled by changes in temperature and precipitation, but the relative importance of these drivers is debated. Numerical modeling of a New Zealand glacier reveals that temperature is the dominant control on glacier length. We find that a glacial advance, dated to ca. 13,000 yr B.P., requires a cooling event of 34 °C. This mid-latitude Southern Hemisphere cooling is similar in magnitude to the Antarctic Cold Reversal in the Vostok ice core record and likely to be a response to the same climate signal.
Key Words: Younger Dryas Little Ice Age Southern Hemisphere New Zealand glaciers
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