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Ice Lenses at KAN-U, SW Greenland Credit: Karen Alley, University of ColoradoCredit: Babis Charalampidis, GEUS.

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Presentation on theme: "Ice Lenses at KAN-U, SW Greenland Credit: Karen Alley, University of ColoradoCredit: Babis Charalampidis, GEUS."— Presentation transcript:

1 Ice Lenses at KAN-U, SW Greenland Credit: Karen Alley, University of ColoradoCredit: Babis Charalampidis, GEUS

2 KAN-U, Spring 2012 Credit: Horst Machguth, DTU

3 Summer 2012 Runoff Reaches KAN-U 5 km LandSat-7: July 16 th, 2012 KAN-U Runoff had never been witnessed this high on the ice before

4

5 Watson River in early May Credit: Karen Alley, Univ. Colorado

6 Watson River in July 2012 Credit: Marco Tedesco, CUNY

7 Mapping thick ice lenses with radar KAN-U GPR Transect 5 km

8 Ground Radar  IceBridge Radar Credit: NASA

9 Perched Ice Layers across Greenland “Perched” ice layers ≥1.5 meters (~5 feet) thick appear along much of Greenland’s interior coast Potentially rapid mechanism for increasing Greenland’s runoff

10 Poster Sessions and Talks C12B-01: Anders Bjørk, et. al, “110 years of local glacier and ice cap changes in Central- and North East Greenland” – Mon 10:20 – 10:35 am, Moscone West 3005 C21B-0316: Mike MacFerrin, et. al, “Massive Perched Ice Layers in the Shallow Firn of Greenland's Lower Accumulation Area Inhibit Percolation and Enhance Runoff” – Tues 8 am – 12:20 pm, Moscone West Poster Hall C21B-0335: Rick Forster, et. al, “Recent results on the Greenland Aquifer from remote sensing and in situ measurements” – Tues 8 am – 12:20 pm, Moscone West Poster Hall C51C-06: Lora Koenig, et. al, “Radar Detections of Buried Supraglacial Lakes Across the Greenland Ice Sheet” – Fri 9:15 – 9:30 am, Moscone West 3007


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