Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Measurement of Sea Ice Thickness in the Arctic Ocean Using an Electromagnetic Induction Instrument

전자기 유도 장비를 이용한 북극해 해빙의 두께측정

  • Jeong, Seong-Yeob (Korea Ocean Research & Development Institute Daedeok Branch) ;
  • Lee, Chun-Ju (Korea Ocean Research & Development Institute Daedeok Branch)
  • 정성엽 (한국해양연구원 대덕분원) ;
  • 이춘주 (한국해양연구원 대덕분원)
  • Received : 2011.09.08
  • Accepted : 2012.03.30
  • Published : 2012.04.20
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Abstract

The ice trials of the first Korean icebreaking research vessel "ARAON" were performed at the Arctic Ocean in July-August 2010. The sea ice concentrations of Arctic Ocean were 4/10 to 10/10 and the range of sea ice thickness was roughly 1.0 to 3.5m. In this research, sea ice thickness characteristics at the old ice floes were determined from results of drill hole and apparent conductivity measurements. Especially we measured apparent conductivity using an electromagnetic induction instrument (EM31-MK2) and estimated the sea ice thickness through the empirical equation from Cold Regions Research & Engineering Laboratory, CRREL. The results of estimated sea ice thickness were compared to drill hole measurement results and then, we suggest the new empirical equation to estimate sea ice thickness of single layer type sea ice during the summer season of Arctic Ocean by curve fitting approach to these data.

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References

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