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Subglacial Lakes in Antarctica: An Interesting Subject for Glaciologists and Life Scientists

XIAO Cun de, QIN Da he, REN Jia wen (Laboratory of Ice Core and Cold Regions Environment, CAREERI, CAS, Lanzhou Gansu 730000, China)  
More than 70 subglacial lakes have been detected beneath the Antarctic Ice Sheet since 1973. Recently, as the Vostok borehole reached 30 m above the Lake Vostok, subglacial lake survey becomes an interesting subject for glaciologists and life scientists all over the world. Major interest includes the nature of resident biota, the age of the lakes, the tectonic forces responsible for forming the lakes, and the record of Antarctic climatic history that is likely to be contained in the sediments beneath them. At present, innovative and novel experimental approaches are essential to acquire data and information on the subglacial environment. The primary practical goal of subglacial lake exploration is to access the lake water and sediments in a non contaminating manner to obtain physical, chemical, and biological measurements and to provide water and sediment sample retrieval. This paper introduces present trend on this project.
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