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ice thickness

14 July 2009 20:30

Sixteen Americans are staying in Ny-Ålesund to use a remote controlled small airplane to study ice thickness. The plane flies several hundreds of kilometers north. Ice thickness is calculated from the thickness of the ice above sea level. On board there is a payload with laser altimetry, radar and camera's.
The ice coverage can be viewed using satellite imigary. Sea ice thickness is more difficult to measure. There are mainly two ice types at the North Pole: first- and second year ice. Measuring the amount of each is essential for model calculations about it's disapearance.
The Americans come to Spitsbergen to fly their plane, because regulations make science flights north of Alaska to complicated. To much military spotting activities on either side of the border with Russia, to fly a science mission.

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