相比于大陆冰川沉积物,海洋沉积物提供了更完整的更新世时期的地质记录。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
沿着美国东海岸,最南边的冰川运动被大量的沙子和终碛石的漂流沉积物(形成了长岛和科德角)所记录下来。
Along the east coast of the United States, the southernmost advance of this ice is recorded by the enormous sand and drift deposits of the terminal moraines that form Long Island and Cape Cod.
人们获知的数据太少:有关北极冰川的综合记录只能追溯到1979年。
There's too little data to know—comprehensive records on Arctic sea ice go back only to 1979.
2007年9月份北极的冰川覆盖面积降到了历史最低点即414万平方千米比2005年9月的前记录少了整整23%。
Arctic sea ice has retreated so much that in September 2007 it covered an all-time low area of 4.14m km sq, surpassing by 23% the previous all-time record set in September 2005.
冰中俘获的空气泡可以揭示过去的大气条件,所以冰川可以向人们提供环境记录。
Glaciers also provide an environmental record by trapping air bubbles in ice that reveal atmospheric conditions in the past.
他说很难判断这个时间的原因是不是全球变暖,因为这个冰川周围的海水记录只从2003年开始记录。
He said it was hard to judge whether the event occurred due to global warming because records on the sea water around the glacier have only been kept since 2003.
科罗拉多大学航天工程科学系的科研教授詹姆斯·马斯兰尼克说:“在过去两年多的时间里,虽然多年形成的冰川的总面积下降到了记录的第三低,但是更年轻一点的冰川面积却稍稍有所回升。
While the total coverage of multiyear ice is the third lowest on record, the amount of younger multiyear ice has rebounded somewhat over the last two years.
他们在2003年才开始记录这座冰川附近的水文迹象。
They only started keeping records on the sea water around the glacier in 2003.
一处曾有记录的冰川融化使得一条新的航道展现出来,这将大大缩短货物运送到世界各地的时间。
A record ice melt up there is opening new shipping lanes that would greatly cut the amount of time it takes to get goods around the world.
到目前为止,我们用这种方法监视大地,海洋,冰川和云层已经有10个年头了,我们像医生检查病人生命特征一般记录著地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patient's vital signs.
研究完成于2010年,这次基于卫星资料的勘探详细记录了积雪覆盖的情况,以及冰川在印度河、恒河和雅鲁藏布江流域的延伸情况。
Completed in 2010, the satellite-based survey took an inventory of the snow cover and glacier extent across glaciated regions of the Indus, Ganga, and Brahmaputra River basins.
到目前为止,我们用这种方法监视大地,海洋,冰川和云层已经有10个年头了,我们像医生检查病人生命特征一般记录着地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patients vital signs.
到目前为止,我们用这种方法监视大地,海洋,冰川和云层已经有10个年头了,我们像医生检查病人生命特征一般记录着地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patients vital signs.
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