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北冰洋西部
2
Late Quaternary
1
Light δ18O and δ13C excursions
1
Neogloboquadrina pachyderma(sin.)
1
Rate of sea ice formation
1
Western Arctic
1
Western Arctic Ocean
1
biogenic components
1
surface productivity
1
surface sediments
1
water mass
1
δ18O和δ13C轻值
1
晚第四纪
1
水团
1
海冰形成速率
1
生源组分
1
表层沉积物
1
表层生产力
1
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