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中英对照读新闻》The World’s Thickest M

时间:2020-04-22  作者:
中英对照读新闻》The World’s Thickest M

阿拉斯加「朱诺冰原」主要冰川中最大的「塔库」,2018年首次被卫星影像拍摄到向后退缩的消融情况。

◎刘宜庭

As the largest of 20 major glaciers in Alaska’s Juneau Icefield and one of the single thickest glaciers in the world, Taku had been demonstrably gaining mass and spreading farther into the nearby Taku river for nearly half a century, while all of its neighboring glaciers shrank. Now, it appears those glory days are over.

全球最厚冰川之一、阿拉斯加「朱诺冰原」20座主要冰川中最大的「塔库」,近半个世纪以来,在周遭所有冰川退缩之际,仍显着增长并扩张至邻近的塔库河。但「塔库冰川」现在看来已荣景不再。

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In a new pair of satellite photos shared by NASA’s Earth Observatory, the slow decline of Taku Glacier has finally become apparent. Taken in August 2014 and August 2018, the photos show the icy platforms where the glacier meets the river retreating for the first time since scientists began studying Taku, in 1946.

美国国家航太总署地球观测站新发布的两张卫星影像显示,「塔库」的缓慢消融终归已有所显现。对比2014年8月、2018年8月拍摄的照片,自科学家1946年开始研究「塔库」以来,冰川与河流交会处的冰壁首次向后退缩。

According to glaciologist Mauri Pelto, who has studied the Juneau Icefield for three decades, Taku was predicted to continue advancing for the rest of the century. "To be able to have the transition take place so fast indicates that climate is overriding the natural cycle of advance and retreat that the glacier would normally be going through," Pelto said.

研究「朱诺冰原」30年的冰川学家毛里.佩尔托指出,此前预期「塔库」本世纪仍将继续向前扩张。「能如此快速地呈现过渡转变,表明气候影响超越了冰川增损进退的自然週期,」佩尔托表示。

新闻辞典

glacier:名词,冰川、冰河。例句:The Taku Glacier measures 1480 meters from surface to floor.

retreat:名词,退缩;动词,后退。例句:From 2013 to 2018, advancement stopped — then, in 2018, the Taku Glacier started to retreat.

transition:名词,过渡、转变。例句:Taku’s transition from growth to decay seems to have lasted only a few years.

中英对照读新闻》The World’s Thickest M
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