We have been out on the ice since March and the Arctic summer is nearly here.

从三月份到现在我们一直在冰原上，而北极的夏天正日益临近。

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As a result, sea ice extent for the Arctic actually peaked on March 31, 2010-the latest peak of wintertime Arctic sea ice extent in the satellite record.

结果导致2010年北极的海冰范围是在3月31日达到峰值——这是有卫星记录以来北极海冰范围最晚的冬季峰值。

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Meanwhile, research from the polar science centre at the University of Washington suggests that the volume of sea ice in March 2010 was 20, 300 cubic km, 38% below the 1979 level when records began.

同时，来自华盛顿大学在极地科学研究中心的研究指出，2010的的海冰体积为20,300立方千米，比1979年以来的最低记录减少了38%。

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The study found an average ice cover of about fifteen million square kilometers in March.

VOA: special.2009.05.05

Credit: National Snow and Ice Data CenterThe graph above shows daily Arctic sea ice extent as of March 22, 2011, along with daily ice extents for 2006, which had the previous lowest maximum extent, and 2007, the year with the lowest minimum extent in September.

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The National Snow and Ice Data Center reported in early March that 2011 has tied with 2006 for the record low sea-ice coverage in the Arctic Ocean (in the satellite record).

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