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基于Sentinel-1卫星数据的北极西北航道通航适宜性分析
周雪飞1(), 徐嘉2, 张绪冰1()
Navigable suitability analysis of the Arctic Northwest Passage based on Sentinel-1 satellite data
Xuefei ZHOU1(), Jia XU2, Xubing ZHANG1()

图8. 2015—2019年每年9月西北航道海冰密集度变化

Fig. 8. Variation of sea ice concentration in the Northwest Passage in September from 2015 to 2019: September 2015 (a), September 2016 (b), September 2017 (c), September 2018 (d) and September 2019 (e)