video: This shows B-roll footage from Polarstern expedition ARK-XXVII/2 (summer 2012). This file includes clips of the following (in order): 1. Sea ice with melting ponds in the High Arctic. (0:01-0:20) 2. Sea ice with melting ponds in the High Arctic. (0:21-0:42) 3. Sea ice with melting ponds in the High Arctic. (0:43-1:01) 4. Helicopter with EM Bird (electromagnetic device to measure sea ice thickness. (1:02-1:08) 5. Polarstern breaking ice. On the left: OFOS (ocean floor observation system). (1:09-1:20) 6. Scientists working at an ice station in the Central Arctic. (1:21-1:32) 7. Ice coring. (1:33-1:55) 8. Ice coring. (1:54-2:09) 9. Under ice observations with ROV Ronia. (2:09-2:30) This video relates to a paper that appeared in the Feb. 15, 2013, issue of Science, published by AAAS. The paper, by Antje Boetius at Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, Germany, and colleagues was titled, “Export of Algal Biomass from the Melting Arctic Sea Ice.” view more
Credit: [Video courtesy of Stefan Hendricks (1-8) and Marcel Nicolaus (9), Alfred Wegener Institute]