An application of ICESat data for detecting forest changes was presented.

这颗卫星的探测数据的应用，提出了森林变化。

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The study looked at measurements taken of the Arctic region by the Icesat satellite, launched in 2003.

2003年发射的冰云和地面高度卫星对北极圈区域进行的测量给这项研究提供了参照。

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One such satellite, NASA's ICESat, carries a laser altimeter to measure the height of the ice surface.

其中的一颗卫星，美国宇航局的icesat就携带着一个激光高度探测仪来探测冰面的高度。

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In Antarctica, the picture is more complicated, with Icesat reporting significant ice growth in places.

BBC: Laser satellite records ice loss

The current ICESat has been in orbit since 2003 and is nearing the end of its lifetime.

CNN: NASA flights will study Antarctic ice changes

The next satellite, ICESat-II, is scheduled to launch in 2014 at the earliest.

CNN: NASA flights will study Antarctic ice changes