September 22nd Photos

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1. Our location.
2. Mike DeGrandpre (University of Montana) with a pair of SAMI's ready for a mooring deployment in the Arctic. (David Jones)
3. A Pair of SAMI's being lowered into the Beaufort Sea on a mooring. (David Jones)
4. A SAMI on display. (Courtesy of Sunburst Sensors)
5. The SAMI CO2 system.  A schematic of the internals of a SAMI-CO2. (Courtesy of Sunburst Sensors)
6. Arctic Birds. A flock of birds of the coast of Alaska near Barrow. (David Jones)
7. Barrow from the ship. Barrow Alaska in the distance from the deck of the CCGS Louis S. St. Laurent. (David Jones)
8. The chopper heads to Barrow. The ship’s helicopter in flight headed for Barrow Alaska.
9. The IBO included a Woods Hole Oceanographic Institution Ice-Tethered Profiler (ITP), a US Army Cold Regions Research and Engineering Laboratory Ice Mass Balance Buoy (IMB), a Naval Postgraduate School Arctic Ocean Flux Buoy (AOFB), and a NOAA/PMEL web camera. The combined ITP and IMB instrumentation allows us to estimate the surface ocean freshening due to ice and snow melt. From Timmemans et al., 2012 (see www.whoi.edu/itp references)
10.

Here is a map showing the drift track and salinity at 10 m (measured by the ITP). We defined the 2010 melt season by the initiation and end of ice base ablation measured by the IMB to be between June 25 and September 7, 2010, shown by the thick arrows in the plot. Over the course of the 2010 melt season the IBO drifted about 500 km south, beginning in late June when it turned off the Lomonosov Ridge axis around 88˚N. From Timmemans et al., 2012 (see www.whoi.edu/itp references)

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