To gather the data, the team launched an Autonomous Underwater Vehicle (AUV) on six survey missions beneath the floating tongue of Pine Island Glacier.
为了收集数据，研究小组使用水下机器人(AUV)在松岛冰川浮动尖岬下面进行了6次调查作业。
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An ice penetrating radar is deployed from a string of four kayaks to survey a section of the Petermann glacier in Greenland.
一部冰透雷达安装在连成一串的四艘橡皮船上，用来考察格陵兰岛彼得曼冰川的一个截面。
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These photographs show the rift on October 26, 2011, when scientists returned to survey the glacier in greater detail.