Ice-flow structure and ice dynamic changes in the Weddell Sea sector of West Antarctica from radar-imaged internal layering - Bingham, RG; Rippin, DM; Karlsson, NB; Corr, HFJ; Ferraccioli, F; Jordan, TA; Le, Brocq AM; Rose, KC; Ross, N; Siegert, MJ (JOURNAL OF GEOPHYSICAL RESEARCH-EARTH SURFACE, 2015)