Scientists from the University of Colorado at Boulder are unsure why the water vanished, but many suspect traces of the ocean remain in ice buried deep beneath the surface.

来自科罗拉多大学波德校区的科学家们不能确定海水消失的原因，但他们相信更多的有关海洋的猜想证据仍旧深埋于地表之下的冰中。

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According to the National Snow and Ice Data Center at the University of Colorado at Boulder, September sea ice was 39 percent below the long-term average from 1979 to 2000.

据美国科罗拉多大学博尔德分校国家冰雪数据研究中心的统计资料显示，今年9月的北极海冰面积比1979年至2000年的平均值低39%。

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Konrad Steffen of the University of Colorado, Boulder, leads one study of the Greenland ice sheet.

位于博尔德的科罗拉多州大学的Konrad Steffen先生负责一项格陵兰冰原项目研究。

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The scientists work for the National Snow and Ice Data Center at the University of Colorado in Boulder.

VOA: special.2009.10.27

The scientists work for the American space agency and the National Snow and Ice Data Center in Boulder,Colorado.

VOA: special.2009.05.05

According to John Wahr at the University of Colorado-Boulder, glaciers and ice caps in places other than Greenland and Antarctica lost about 30% less ice than had previously been estimated.

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