Dating of 30m ice cores drilled by Japanese Antarctic Research Expedition and environmental change study

Hideaki Motoyama1, Toshitaka Suzuki2, Kotaro Fukui3, Hiroshi Ohno4, Yu Hoshina5, Motohiro Hirabayashi1 and Shuji Fujita6, (1)NIPR National Institute of Polar Research, Tokyo, Japan, (2)Yamagata Univ, Yamagata, Japan, (3)Tateyama Caldera Sabo Museum, Toyama, Japan, (4)Kitami Institute of Technology, Kitami, Japan, (5)National Institute for Environmental Studies, Tsukuba, Japan, (6)Natl Inst Polar Research, Tokyo, Japan