TY - JOUR T1 - Alaska tidewater glacier terminus positions, 1948-2012 JF - Journal of Geophysical Research: Earth Surface Y1 - 2014 A1 - R  W McNabb A1 - Hock, R. VL - 119 UR - http://doi.wiley.com/10.1002/jgrf.v119.2http://doi.wiley.com/10.1002/2013JF002915 IS - 2 JO - J. Geophys. Res. Earth Surf. ER - TY - JOUR T1 - Using surface velocities to calculate ice thickness and bed topography: a case study at Columbia Glacier, Alaska, USA JF - Journal of Glaciology Y1 - 2012 A1 - R  W McNabb A1 - Regine Hock A1 - Shad OʼNeel A1 - L  A Rasmussen A1 - Ahn, Y. A1 - M Braun A1 - H Conway A1 - Herreid, S. A1 - Ian Joughin A1 - W. Tad Pfeffer A1 - B  E Smith A1 - Martin Truffer VL - 58 IS - 212 ER -