Authors: Andrew Shepherd; Erik R Ivins; Geruo A; Valentina R Barletta; Mike J Bentley; Srinivas Bettadpur; Kate H Briggs; David H Bromwich; René Forsberg; Natalia Galin; Martin Horwath; Stan Jacobs; Ian Joughin; Matt A King; Jan T M Lenaerts; Jilu Li; Stefan R M Ligtenberg; Adrian Luckman; Scott B Luthcke; Malcolm McMillan; Rakia Meister; Glenn Milne; Jeremie Mouginot; Alan Muir; Julien P Nicolas; John Paden; Antony J Payne; Hamish Pritchard; Eric Rignot; Helmut Rott; Louise Sandberg Sørensen; Ted A Scambos; Bernd Scheuchl; Ernst J O Schrama; Ben Smith; Aud V Sundal; Jan H van Angelen; Willem J van de Berg; Michiel R van den Broeke; David G Vaughan; Isabella Velicogna; John Wahr; Pippa L Whitehouse; Duncan J Wingham; Donghui Yi; Duncan Young; H Jay Zwally Journal: Science Date: 2012-11-30 Impact factor: 47.728