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Restoration Projects

Alaska Coastal Current Quarterly Tasks

2006 Quarterly Project Tasks:

1st Quarter Tasks (October 1, 2005 - December 31, 2005)
Status: Complete

Tasks to be performed:

(Not Available)

Progress report:

October and November: No data collected due to foul weather and vessel unavailable. December data collected.

2nd Quarter Tasks (January 1, 2006 - March 31, 2006)
Status: Complete

Tasks to be performed:

(Not Available)

Progress report:

All data collected. 1st Quarter data posted to website. Presentations: M. Janout [graduate student], S. Okkonen, T. Weingartner, D. L. Musgrave, and T. Royer, Yakutat Eddies and Shelf/Slope Exchange in the coastal Gulf of Alaska, poster presented at the Alaska Marine Science Symposium, January, 2006. T. Royer, C. Grolsch, T. Weingartner, and S. Danielson, Ocean Warming and Freshening in the northern Gulf of Alaska, poster presented at the Ocean Sciences Meeting, Honoulu, HI, February 2006. Monthly CTD data collected.

3rd Quarter Tasks (April 1, 2006 - June 30, 2006)
Status: Complete

Tasks to be performed:

(Not Available)

Progress report:

Monthly CTD data collected. 2nd Quarter data processing in progress. GAK 1 mooring successfully re-covered and re-deployed. Preliminary inspection of the data sets indicate that each instrument operated successfully over the deployment period. The mooring that we deployed includes fluorometers and nitrate sensors at 20 and 150 m depth. The sensors were provided under separate funding from the Alaska Ocean Observing System). Papers prepared using GAK 1 data and/or prior results: T. Royer and C. Grolsch, Ocean Warming and Freshening in the northern Gulf of Alaska, in press, Geophyiscal Research Letters. Review long-period changes in temperature and salinity at station GAK 1 and indicates upper ocean warming and freshening. Aagaard, K., T. J. Weingartner, T. J. Danielson, S. L., Woodgate, R. A., Johnson, G. C., Whitledge, T. E. What controls flow and salinity in Bering Strait? (in press, Geophys. Res. Lett.). This paper builds upon earlier work by Weingartner, Danielson, and Royer (2005, Deep-Sea Research), which argued that a substantial fraction of the freshwater entering the Gulf of Alaska enters the Bering Sea with important consequences for both the Bering and Chukchi Sea ecosystems.

4th Quarter Tasks (July 1, 2006 - September 30, 2006)
Status: Complete

Tasks to be performed:

(Not Available)

Progress report:

See 2006 annual report.

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