On Wednesday, 10 February 2016 from 9 :00 a.m. to 1:00 p.m. (USA Mountain Time), some applications on our web site may be unavailable due to system maintenance. We apologize for any inconvenience this may cause you.
Edward J. Brook, James W.C. White, Annie S.M. Schilla, Michael L. Bender, Bruce Barnett, Jeffery P. Severinghaus, Kendrick C. Taylor, Richard B. Alley and Eric J. Steig, 2004. Timing of millennial-scale climate change at Siple Dome, West Antarctica , during the last glacial period. Quaternary Science Reviews, vol. 24 (12-13): 1333-1343