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April 4, 2019
Norðurjökull Retreats from Hvítárvatn, Langjökull, Iceland
Norðurjökull in 1984 Landsat image and 2018 Sentinel image. Red arrows indicate the margins of the glacier in 1984. Purple dots indicate the snowline. Langjökull is the second largest icecap in Iceland with an area of 920 square kilometers (Jóhannesson (2009). One of the main outlet glaciers of Langjökull is the Norðurjökull which has terminated in Hvítárvatn. Hvítárvatn is a large lake that recieves 70% of its inflow from Langjökull …
Dean of Academic Affairs at Nichols College and Professor of Environmental Science at Nichols College in Massachusetts since 1989. Glaciologist directing the North Cascade Glacier Climate Project since 1984. This project monitors the mass balance and behavior of more glaciers than any other in North America.