The previously off-limits sea ice data has a resolution of one meter.

先前禁入的海冰数据具有一米的分辨率。

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The sea ice estimates from the National Snow and ice data Center, NASA's archive for sea ice data, assume that this hole is ice-filled.

国家雪冰数据中心对海冰的评估和NASA对海冰数据的档案中都假设极点是被冰块覆盖的。

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Mark Serreze, director of the American National Snow and Ice Data Center (NSIDC) in Colorado, thinks that sea level rise is going to be a bigger and bigger problem, as we move through the 21st century.

美国国家冰雪数据中心（NSIDC）位于科罗拉多州，其主任马克·塞雷泽（Mark Serreze）认为，随着我们进入21世纪，海平面上升将成为一个越来越大的问题。

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Average monthly Arctic sea ice extent data shows a clear deceasing trend since 1979.

UNESCO: Social and Human Sciences

According to the National Snow and Ice Data Center, Arctic sea ice is melting faster than its average over the 1979 t0 2000 period.

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And retreating Arctic sea ice provides even more visible data to support conclusions of warming.

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