Variability in high-salinity shelf water production in the Terra Nova Bay polynya, Antarctica
作者: Seung-Tae YoonWon Sang LeeCraig StevensStefan JendersieSungHyun NamSukyoung YunChung Yeon HwangGwang Il JangJiyeon Lee
作者单位: 1Korea Polar Research Institute, Yeonsu-gu, Incheon 21990, Republic of Korea
2National Institute of Water and Atmospheric Research, Greta Point, Wellington 6021, New Zealand
3Department of Physics, University of Auckland, Auckland 1142, New Zealand
4Antarctic Research Centre, Victoria University of Wellington, Wellington 6140, New Zealand
5School of Earth and Environmental Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
刊名: Ocean Science, 2020, Vol.16 (2), pp.373-388
来源数据库: Copernicus Journal
DOI: 10.5194/os-16-373-2020
原始语种摘要: Terra Nova Bay in Antarctica is a formation region for high-salinity shelf water (HSSW), which is a major source of Antarctic Bottom Water. Here, we analyze spatiotemporal salinity variability in Terra Nova Bay with implications for the local HSSW production. The salinity variations in the Drygalski Basin and eastern Terra Nova Bay near Crary Bank in the Ross Sea were investigated by analyzing hydrographic data from instrumented moorings, vessel-based profiles, and available wind and sea-ice products. Near-bed salinity in the eastern Terra Nova Bay ( ∼660   m ) and Drygalski Basin ( ∼1200   m ) increases each year beginning in September. Significant salinity increases ( >0.04 ) were observed in 2016 and 2017, which is likely related to active HSSW formation. According to...
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  • Antarctica 南极洲
  • polynya 冰前沼
  • salinity 盐度
  • shelf 陆架
  • eastern 东方的
  • locally 局部地
  • likely 大概
  • advection 平流
  • Basin 水池
  • since 以来