2:45 PM - 3:00 PM
*Takuro KOBASHI1, Kumiko GOTO-AZUMA1, Kenji KAWAMURA1, Bo VINTHER2, Thomas BLUNIER2, Jason BOX3, Christo BUIZERT4, Atsuhiro MUTO5, James WHITE6 (1.National Institute of Polar Reseaerch, 2.Copenhagen University, 3.Geological Survey of Denmark and Greenland, 4.Oregon State University, 5.Pennsylvania state University, 6.University of Colorado at Boulder)