A 900 MHz ground-penetrating radar (GPR) profile, collected along 1.7 km of the centerline of a high Arctic glacier in Svalbard, is interpreted using shallow ice core data and thermomechanical flow modeling. Four distinct zones are visible in the image and correspond to areas of firn, recent and older superimposed ice, and ablation zone glacier ice on the ground. The areas of firn and superimposed ice are characterized by relatively steeply and gently dipping internal reflecting horizons (IRH), respective…
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