TY - JOUR T1 - Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland JF - Journal of Geophysical Research Y1 - 2008 A1 - Ian Joughin A1 - I M Howat A1 - Alley, R.B. A1 - Ekstrom, G. A1 - Mark Fahnestock A1 - Moon, T. A1 - Nettles, M. A1 - Martin Truffer A1 - Tsai, V.C. VL - 113 UR - http://www.agu.org/pubs/crossref/2008/2007JF000837.shtml ER -