Indeed, for the Arctic as a whole, the melt season started with even more thin ice than in 2007, hence concerns that we may even beat last year's sea-ice minimum.
确实,把北极看作一个整体,融化季节开始的时候,海冰总量比2007年还要少,因此可能会突破去年海冰量的最低点。
They show Arctic sea ice extent for the September 2009 minimum (left) and March 2010 maximum (right).
它显示的是北极海洋结冰程度在2009年9月的最低值(左)和2010年3月的最高值(右)。
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