Circumpolar Arctic Tundra Vegetation Change Is Linked to Sea Ice Decline. - Bhatt, Uma S.; Walker, Donald A.; Raynolds, Martha K.; Comiso, Josefino C.; Epstein, Howard E.; Jia, Gensuo; Gens, Rudiger; Pinzon, Jorge E.; Tucker, Compton J.; Tweedie, Craig E.; Webber, Patrick J. (Earth Interactions, 2010)