%0 Journal Article %J Annals of Glaciology %D 2013 %T Variable penetration depth of interferometric synthetic aperture radar signals on Alaska glaciers: a cold surface layer hypothesis %A Alessio Gusmeroli %A Anthony A. Arendt %A D K Atwood %A B. Kampes %A M. Sanford %A J. Young %B Annals of Glaciology %V 54 %P 218-223 %G eng %N 64 %R 10.3189/2013AoG64A114