해양환경안전학회지 (Journal of the Korean Society of Marine Environment & Safety)

  • 제25권3호
  • /
  • Pages.328-333
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  • 2019
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  • 1229-3431(pISSN)
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  • 2287-3341(eISSN)
해양환경안전학회 (The Korean Society of Marine Environment and safety)
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High Frequency Variation of Low Water Temperature due to Arctic Oscillation Around the Western and Southern Coast of Korea During Winter 2017/2018

  • Han, In-Seong (Ocean Climate and Ecology Research Division, National Institute of Fisheries Science) ;
  • Lee, Joon-Soo (Ocean Climate and Ecology Research Division, National Institute of Fisheries Science) ;
  • Kim, Ju-Yeon (Ocean Climate and Ecology Research Division, National Institute of Fisheries Science) ;
  • Hong, Ji-Yeon (Ocean Climate and Ecology Research Division, National Institute of Fisheries Science)
  • 투고 : 2019.05.03
  • 심사 : 2019.05.28
  • 발행 : 2019.05.31
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초록

During the winter of 2017/2018, significantly low water temperatures were detected around the western and southern coasts of Korea (WSCK). In this period, sea surface temperature (SST) in the Korea Waters was about $2^{\circ}C$ lower than mean temperature. Using the real-time observation system, we analyzed the temporal variation of SST during this period around the western and southern coasts. Low water temperature usually manifested over a period of about 10 ~ 20 days. The daily Arctic oscillation index was also similarly detectable with the variation of SST. From the cross-correlation function, we compared two periodic variations, which were SST around the WSCK and the Arctic oscillation index. The cross correlation coefficients between both variations were approximately 0.3 ~ 0.4. The time lag of the two time series was about 6 to 7 days. Therefore, significantly low water temperatures during winter in the Korean coastal areas usually became detectable 6 to 7 days after the negative peak of Arctic oscillation.

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피인용 문헌

  1. Change the Annual Amplitude of Sea Surface Temperature due to Climate Change in a Recent Decade around the Korean Peninsula vol.26, pp.3, 2019, https://doi.org/10.7837/kosomes.2020.26.3.233