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Brook, EJ, White JWC, Schilla ASM, Bender ML, Barnett B, Severinghaus JP, Taylor KC, Alley RB, Steig EJ.  2005.  Timing of millennial-scale climate change at Siple Dome, West Antarctica, during the last glacial period. Quaternary Science Reviews. 24:1333-1343.   10.1016/j.quascirev.2005.02.002   AbstractWebsite

Using atmospheric methane and the isotopic composition of O-2 as correlation tools, we place the 6D record of ice from the Siple Dome (West Antarctica) ice core on a precise common chronology with the GISP2 (Greenland) ice core for the period from 9 to 57 ka. The onset of major millennial warming events in Siple Dome preceded major abrupt warmings in Greenland, and the pattern of millennial change at Siple Dome was broadly similar, though not identical, to that previously observed for the Byrd ice core (also in West Antarctica). The addition of Siple Dome to the database of well-dated Antarctic paleoclimate records supports the case for a coherent regional pattern of millennial-scale climate change in Antarctica during much of the last ice age and glacial-interglacial transition.