累积海冰密集度及其在认识北极海冰快速变化的作用

王维波, 赵进平

Accumulation Sea Ice Concentration and Its Action on Understanding Arctic Sea Ice Dramatic Change

Wang Weibo, Zhao Jinping

图1 1979—2013年1~12月海冰覆盖面积（折线）及其线性回归线（直线）图标中数字代表海冰覆盖面积的减少速率（#cod#x000d7;10 6 km 2 a）
Fig. 1 Monthly variation of Arctic sea ice extent from 1979 to 2013polyline and their respective linear regression line straight line The underneath in figure presents monthly declining rate of sea ice extent.