Improvements to the JARE deep ice core drill
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- TAKAHASHI A.
- Geo Tecs Co. Ltd.
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- Fujii Yoshiyuki
- National Institute of Polar Research
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- Azuma Nobuhiko
- NagaokaUniversity of Technology
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- Motoyama Hideaki
- National Institute of Polar Research
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- Shinbori Kunio
- Institute of Low Temperature Science, Hokkaido University
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- Tanaka Yoichi
- Geosystems Inc.
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- Narita Hideki
- Institute of Low Temperature Science, Hokkaido University
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- Nakayama Yoshiki
- Nippon Public Co., Ltd
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- Kameda Takao
- Kitami Institute of Technology
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- Fujita Shuji
- Department of Applied Physics, Graduate School of Engineering, Hokkaido University
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- Furukawa Teruo
- National Institute of Polar Research
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- Takata Morimasa
- National Institute of Polar Research
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- Miyahara Morihiro
- Atec Co. Ltd.
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- Watanabe Okitsugu
- National Institute of Polar Research
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Abstract
The second phase of the deep ice core drilling at Dome Fuji, Antarctica is planned to be carried out in three successive summer seasons starting from 2003/2004 with an improved JARE deep ice core drill. On the basis of tests, major improvements were made including extension of the core barrel to 4m, addition of a more powerful chip-collecting pump, addition of a check valve to avoid loss of collected chips while hoisting the drill in borehole liquid, and a more powerful drill motor. This report describes the improvements and results of the tests as of December 2000.
Journal
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- Memoirs of National Institute of Polar Research, Special Issue
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Memoirs of National Institute of Polar Research, Special Issue (56), 117-125, 2002-03
National Institute of Polar Research
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Details 詳細情報について
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- CRID
- 1571417126767534336
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- NII Article ID
- 110000010499
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- NII Book ID
- AA00733561
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- ISSN
- 03860744
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- Web Site
- http://id.nii.ac.jp/1450/00007185/
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- Text Lang
- en
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- Data Source
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- CiNii Articles