Sunday, April 26, 2009

drilling the sea ice for depth measurement

 

this is Nick one of our dieso's with the ice drill. He will drill through till he hits water, then we put a measuring hook down to see how thick the ice is. On this day the thinnest we measured was 350mm and the thickest nearly 600mm. For safety it is a requirement for at least 200mm so we were very safe.
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