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Arctic Sea Ice Area Export Through the Fram Strait Estimated From Satellite-Based Data: 1988-2012
Bi, Haibo1; Sun, Ke2; Zhou, Xuan3; Huang, Haijun1; Xu, Xiuli2
2016-07-01
发表期刊IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
卷号9期号:7页码:3144-3157
文章类型Article
摘要By combing ice motion and concentration fields, we obtain the estimates of ice area flux passing the Fram Strait over a 25-year period (1988-2012). Mean monthly area flux exhibits a prominent cycle with the peak in March (78 x 10(3) km(2)/month) and the trough in August (5 x 10(3) km(2)/month). Mean net annual ice area flux (644.1 x 10(3) km(2) km(2)) is primarily/slightly attributable to winter (October-May)/summer (June-September) outflow of 598.7 x 10(3) km(2) (or 93.0%)/45.4 x 10(3) km(2) (or 7%). However, these quantities need to be considered with great prudence since comparisons with preceding studies indicate distinct difference may exist between calculated Fram Strait sea ice outflow based on varied ice motion datasets. In particular, major bias emerged during winter rather than summer. Trends are also affected due to this bias. Despite the clear disparity in magnitude, we found a good agreement with preceding estimates in terms of temporal variability. The linkage between ice area flux via the Fram Strait and various atmospheric circulation indices, such as the Arctic Oscillation (AO), the North Atlantic Oscillation (NAO), a west-east dipole anomaly pattern (DA), as well as a seesaw structure between Beaufort and Barents Sea (BBO), was examined. Results show that atmospheric circulation patterns linked to the DA and BBO possess a relatively stronger influence on Fram Strait ice export over the 25-year period. By contrast, the AO- and NAO-related atmospheric circulation pattern exhibit weaker connections with ice outflow through the strait. In addition, correlation analysis further justify the robust connection with a cross-strait surface level pressure gradient index. Depending on months, it is suggested that a manifold of aforementioned atmospheric indices may jointly or alone impose a significant influence on sea ice export through the Fram Strait.
关键词Fram Strait Remote Sensing Sea Ice Area Flux
DOI10.1109/JSTARS.2016.2584539
收录类别SCI
语种英语
WOS记录号WOS:000384905500027
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136187
专题海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266061, Peoples R China
2.Lab Marine Geol & Environm, Qingdao 266061, Peoples R China
3.Chinese Acad Sci, Inst Elect, Beijing 100190, Peoples R China
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Bi, Haibo,Sun, Ke,Zhou, Xuan,et al. Arctic Sea Ice Area Export Through the Fram Strait Estimated From Satellite-Based Data: 1988-2012[J]. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,2016,9(7):3144-3157.
APA Bi, Haibo,Sun, Ke,Zhou, Xuan,Huang, Haijun,&Xu, Xiuli.(2016).Arctic Sea Ice Area Export Through the Fram Strait Estimated From Satellite-Based Data: 1988-2012.IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,9(7),3144-3157.
MLA Bi, Haibo,et al."Arctic Sea Ice Area Export Through the Fram Strait Estimated From Satellite-Based Data: 1988-2012".IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 9.7(2016):3144-3157.
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