Navigable status analysis of Arctic Northeast and Northwest Passage in recent years

Li Chunhua; Li Ming; Zhao Jiechen; Zhang Lin; Tian Zhongxiang

doi:10.3969/j.issn.0253-4193.2014.10.004

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Article Navigation > Haiyang Xuebao > 2014 > 36(10): 33-47

Li Chunhua, Li Ming, Zhao Jiechen, Zhang Lin, Tian Zhongxiang. Navigable status analysis of Arctic Northeast and Northwest Passage in recent years[J]. Haiyang Xuebao, 2014, 36(10): 33-47. doi: 10.3969/j.issn.0253-4193.2014.10.004

Citation:

Li Chunhua, Li Ming, Zhao Jiechen, Zhang Lin, Tian Zhongxiang. Navigable status analysis of Arctic Northeast and Northwest Passage in recent years[J]. Haiyang Xuebao, 2014, 36(10): 33-47. doi: 10.3969/j.issn.0253-4193.2014.10.004

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Navigable status analysis of Arctic Northeast and Northwest Passage in recent years

doi: 10.3969/j.issn.0253-4193.2014.10.004

Key Laboratory of Research on Marine Hazards Forecasting, National Marine Environmental Forecasting Center, Beijing 100081, China

Received Date: 2014-03-06
Rev Recd Date: 2014-06-15

Abstract

Abstract

Using microwave satellite remote sensing data,the sea ice conditions in key regions of Arctic Northeast Passage and Northwest Passage in recent summers were analyzed and the navigable status from 2002 to 2013 were summarized. The navigable period of Northeast Passage was mainly in late August to early October,and navigable windows was 40 to 50 days; South line of Northwest Passage was free to navigate mainly in early-middle August to early October,and about 50 to 60 days; North line of Northwest Passage was navigable mainly in September. For the Northeast Passage,the ice condition in Severnaya Zemlya,which connecting the Kara Sea and Laptev Sea,was the most complex,which was the key region determining North Passage navigable or not. The key regions affecting South line of Northwest Passage navigation were King William Island near Victoria Strait,North Peel Channel and Barrow Strait; and the key regions affecting North line of Northwest Passage were Northwest Banks Island,McClure Strait and Melville Sound. Arctic Northeast Passage is easier for navigation compared with the Northwest Passage. Sea ice extent in Arctic was reducing but the ice kinetic ability was enhanced due to sea ice thickness thinner and friable,which induced the sea ice complexity in local area. The capacity of sea ice monitoring and forecasting should be strengthened for the safety of Arctic navigation.
- Arctic,
- sea ice,
- navigable

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References(18)

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