继在美国那不拉斯加大学(1974年),加拿大卡鲁加林大学(1982年)和法国格林诺布尔环境冰川学地球物理学研究所(1988年)召开的第一、二、三届国际冰钻技术讨论会后,由日本极地所和日本雪冰学会共同发起组织的第四届国际冰钻技术研讨会于1993年4月20—23日本东京举行。这次会议是在1992年夏季格陵兰冰盖中心完成3029m透底深钻,创造了国际冰芯钻探史的新记录,日本国确 Following the first, second and third sessions held at the University of Naples, Canada (1974), Carugalin University, Canada (1982) and the Institute of Geochemistry of Environmental Glaciology, Grenoble, France After the International Ice Drilling Technology Symposium, the 4th International Ice-Drilling Technology Symposium co-sponsored by the Japan Polar Institute and the Japan Snow Ice Society was held in Tokyo, Japan on April 20-23, 1993. The meeting was completed in the summer of 1992 Greenland Ice Center 3029m deep through deep into the bottom, creating a new record of international ice core drilling history, Japan indeed