Scientists by analyzing old photographs from the early 1900s and comparing them with contemporary ones, have mapped the retreat of some Greenland glaciers.
A flight over the stunning landscape of eastern Greenland‘s Geikie Peninsula and a survey of a Canadian ice cap. IceBridge closed out the fourth week of its Arctic campaign. Soon the mission will return to Thule to finish up Arctic flights for 2013. The image captures ice-covered fjord on Baffin Island with Davis Strait in the background. Image © NASA/Michael Studinger