British Explorers Depart for North Pole. AP, March 1, 2009. "A team of British explorers boarded a light aircraft in northern Canada and were dropped off on Arctic sea ice Saturday, kick-starting their three-month trek to the North Pole to measure the thickness of floating sea ice... There is no instrumentation on satellites at the moment that can measure ice thickness, so it takes a polar expedition to obtain the data. The team will check weather conditions three times a day, drill into the ice to measure thickness 10 times a day, check water temperatures, salt levels, and flow... The team hopes to have results ready for an international conference on climate change being held in Copenhagen, Denmark, in December 2009."
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