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)