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Donie Bret-Harte, Gus Shaver, Ed Rastetter, John Hobbie, Brian Barnes, Sergey Zimov

IPY: Collaborative research on carbon, water, and energy balance at flagship observatories and in a pan-Arctic network. Donie Bret-Harte, Gus Shaver, Ed Rastetter, John Hobbie, Brian Barnes, Sergey Zimov

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Donie Bret-Harte, Gus Shaver, Ed Rastetter, John Hobbie, Brian Barnes, Sergey Zimov

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  1. IPY: Collaborative research on carbon, water, and energy balance at flagship observatories and in a pan-Arctic network Donie Bret-Harte, Gus Shaver, Ed Rastetter, John Hobbie, Brian Barnes, Sergey Zimov Eugenie Euskirchen, Katey Walter, Anja Kade, Glenn Scott, Adrian Rocha, Gabrielle Tomasky-Holmes, Nikita Zimov University of Alaska Fairbanks, Marine Biological Laboratory, NE Science Station, Cherskii, Russia

  2. Project Status and Progress • Two eddy flux towers established at Imnavait Creek, AK, Sept. 07 • Near real-time data available on our web site and linked to CADIS • Kalman filter modeling underway • Arctic Field Science course taught at Toolik Field Station, May 07

  3. Coordination and Integration • Participation in AON PI and SAON meetings • April 08 workshop on carbon, water, and energy balance across the pan-Arctic, Edmonton, Canada (in association with SAON 2 meeting) • Guests include representatives of sites in Canada, Zackenberg, Sweden • Goal is to prepare for one or more data-driven syntheses of pan-Arctic data on C, water, and energy balance • Beginning to archive all of the RAISE project data in the Arctic LTER database, toward developing a pan-Arctic database of carbon, water, and energy flux data. • Provide water flux data to Sturm AON project for calculation of sublimation

  4. Future Directions & Planning for 2008 season • Instrument 40 m tower in Cherskii with CO2, H2O, energy balance, and CH4 instrumentation, in coordination with NOAA • Equipment shipment to Russia has been delayed, but should be leaving soon (we hope) • Measurements of CO2, H2O, energy flux in large tundra burn NW of Toolik Field Station • Continue measurements at Imnavait, 1st summer season • Arctic Field Science course offered again, in parallel with Cherskii course (Walter & Holmes) • QA/QC and archive data according to FluxNet standards (Arctic LTER site) • Planning for two additional workshops toward pan-Arctic integration

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