Millennial-scale cold reversals in the high latitudes of both hemispheres interrupted the last transition from full glacial to interglacialclimate conditions. The presence of the Younger Dryas stadial (12.9 to 11.7 kyr ago) is established throughout muchof the Northern Hemisphere, but the global timing, nature and extent of the event are not well established. Evidence in read more Glacier retreat in New Zealand during the Younger Dryas stadial. Nature, 09 . 2010 – Kaplan, Schaefer, Denton et al.