.: ACT11 team is on the move!

Wednesday, April 20, 2011

ACT11 team is on the move!

Evan returned to Raven yesterday morning to rejoin the team after his week-long bout with bronchitis. He reports feeling well and is excited to be back with the group. Clem, Brian, and Terry had remained at Raven and got a head start on the GLISN core, drilling 48 meters already. The team was busy packing last night and this morning was able to leave Raven and move to their core sites, follow them at: http://www.datatransport.org/act/monitor .

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Arctic Circle Traverse 2011

Recent atmospheric model results have indicated that the southeast portion of the Greenland Ice Sheet receives nearly 5 times more snow than the ice-sheet-wide mean. This would suggest that an additional 90 billion tons of ice must be added to the Greenland Ice Sheet mass budget. However, such high snowfall rates have never been observed in Greenland before. Thus it is important to confirm that these high accumulation peaks actually do exist. This is the goal of the Arctic Circle Traverse. In 2010, we drilled three cores in the southeast down to an elevation of 1725m and found accumulation rates of 1.8 m w.eq. (more snow than Alta!). In 2011 we plan to drill 4 more cores, and collect more than 300 km of radar profiles. We depart for Greenland on March 28th. Updates on the traverse will be kept on this blog as well as http://bprc.osu.edu/wiki/ACT. This year, we have arranged a real-time GPS satellite uplink that will map our position and other information every minute. The link to the mapping site is: http://www.datatransport.org/act/monitor Thanks for following and wish us luck!

Wednesday, April 20, 2011