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Variability of water mass distribution on the northern Chukchi regions in the Arctic

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Title
Variability of water mass distribution on the northern Chukchi regions in the Arctic
Other Titles
북극 북척치해역에서의 수괴분포 변동성연구
Authors
Cho, Kyoung-Ho
Kang, Sung-Ho
Park, Jisoo
Jung, Jinyoung
요시자와 에리
Choi, Youngsuk
Koji Shimada
Keywords
Pacific waters; interannual variation
Issue Date
2017
Citation
Cho, Kyoung-Ho, et al. 2017. Variability of water mass distribution on the northern Chukchi regions in the Arctic. The 32nd International Symposium on Okhotsk Sea and Polar Oceans. 일본 몬베츠. 2017.02.19~2017.02.22.
Abstract
To reveal the relationship between sea ice loss and Pacific-origin waters in the Pacific Arctic Sector, we utilized historical data from hydrographic surveys conducted by the Korea Polar Research Institute (KOPRI) and yearlong mooring data provided by the Tokyo University of Marine Science and Technology (TUMSAT). From 2010 to 2016, the anomaly of Pacific Summer Water (PSW) temperature is negatively correlated with the anomaly of sea ice extent. Consequently, the anomaly of surface mixed layer (SML) salinity is positively correlated with the anomaly of sea ice extent. Yearlong temperature and water velocity data show spatial and temporal variations of PSW over the northern Chukchi region. At the western Chukchi Plateau, PSW appeared around the mid of March and was strongly sustained until August. We will also discuss these temporal and spatial variations of PSW and water mass distribution in terms of physical-chemical view point.
URI
http://repository.kopri.re.kr/handle/201206/8306
Conference Name
The 32nd International Symposium on Okhotsk Sea and Polar Oceans
Conference Place
일본 몬베츠
Conference Date
2017.02.19~2017.02.22
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