北极海冰消融情景下东北航道通航性能演变分析
黄季夏, 张天媛, 曹云锋, 葛全胜, 杨林生

The evolution of navigation performance of Northeast Passage under the scenario of Arctic sea ice melting
HUANG Jixia, ZHANG Tianyuan, CAO Yunfeng, GE Quansheng, YANG Linsheng
图5 港口总体航行时长下降与到白令海峡经度差关系
Fig. 5 General relationship between the decline of port navigation time and longitude difference to the Bering Strait