The new mapping provides complete coastal and inland coverage of ice velocity north of 82.4 ° S with a mean error of < 10 m yr − 1, resulting from multiple overlapping image pairs acquired during the daylight period. (judithcurry.com)
By the late 1980s, the average ice velocity at the front of the shelf was around 20 percent faster than in the preceding decades, the researchers report in a paper to be published in Geophysical Research Letters. (sciencenews.org)
During retreat phase, a tidewater glacier may retreat on the order of 1 - 2 km yr - 1 concurrent with dramatic increases in ice velocity...» (realclimate.org)