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Vibrocorer for undisturbed sampling of firn aquifer layers in Greenland: general concept
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作者 Pavel TALALAY XIAN Tao +3 位作者 FAN Xiaopeng LI Bing LI Yazhou GONG Da 《Advances in Polar Science》 CSCD 2023年第3期232-235,共4页
The firn aquifer beneath the Greenland Ice Sheet may play a significant role in rising sea level. Both traditional mechanical drilling and electric thermal drilling are poorly adapted for effective, low-disturbance sa... The firn aquifer beneath the Greenland Ice Sheet may play a significant role in rising sea level. Both traditional mechanical drilling and electric thermal drilling are poorly adapted for effective, low-disturbance sampling in firn aquifers. We propose using a vibrocoring technique for the undisturbed sampling of dry firn and firn aquifer layers. A remote-controlled vibrocorer is designed to obtain 1-m-long cores with a diameter of 100 mm. The depth capacity of the system is approximately 50 m. The total weight of the vibrocoring system with the surface auxiliary equipment is approximately 110 kg, and corer assembly itself weighs ~60 kg. 展开更多
关键词 Greenland Ice Sheet undisturbed sampling vibrocoring firn aquifer
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