Download Alaska's Changing Arctic: Ecological Consequences for by John E. Hobbie, George W. Kling PDF

By John E. Hobbie, George W. Kling

During this version of the long run Ecological examine community sequence, editors John Hobbie and George Kling and fifty eight co-authors synthesize the findings from the NSF-funded Arctic LTER venture established at Toolik Lake, Alaska, a website that has been lively because the mid-1970s. The booklet provides examine at the middle problems with climate-change technology within the treeless arctic area of Alaska. As a complete, it examines either terrestrial and freshwater-aquatic ecosystems, and their 3 regular habitats: tundra, streams, and lakes.
The booklet offers a background of the Toolik Lake LTER web site, and discusses its current situation and destiny outlook. It good points contributions from best scientists from many fields, making a multidisciplinary survey of the Alaskan arctic atmosphere. bankruptcy themes comprise glacial background, climatology, land-water interactions, mercury present in the Alaskan arctic, and the reaction of those habitats to environmental switch. the ultimate bankruptcy predicts the implications that arctic Alaska faces as a result of international warming and weather swap, and discusses the long run ecology of the LTER web site within the sector.
Alaska's altering Arctic is the definitive medical survey of the previous, current, and way forward for the ecology of the Alaskan arctic.

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Additional info for Alaska's Changing Arctic: Ecological Consequences for Tundra, Streams, and Lakes

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Correction factors for gauge-based data in the National Climate Data Center (NCDC) Global Summary of the Day archive are provided by D.  2005). indd 23 11/26/2013 8:55:37 PM 24 Alaska’s Changing Arctic Analyses of Historical Climate Data from the Arctic LTER site Climate data collected at Toolik by the LTER project and the Toolik Field Station staff were used to examine seasonal values and long-term trends of incoming solar radiation, surface air temperature, ground temperatures (surface and 20 cm), precipitation, wind speed and wind direction at 5 m, and growing-season length.

A. Deegan, W. J. O’Brien, G. W. Kling, and G. W. Kipphut. 1999. Impact of global change on biogeochemistry and ecosystems of an arctic freshwater system. Polar Research 18:207–214. Hobbie, J. , G. Shaver, J. Laundre, K. Slavik, L. A. Deegan, J. O’Brien, S. Oberbauer, and S. MacIntyre. 2003. Climate forcing at the Arctic LTER Site. Pages 74–91 in D. Greenland, D. Goodin and R. Smith, editors, Climate variability and ecosystem Response at Long-Term Ecological Research (LTER) sites. New York: Oxford University Press.

Climate and Hydrometeorology 35 the Beaufort Sea pressure high that dominates during the warm season) and smaller-scale processes such as katabatic winds from the mountains or differential heat fluxes from the ocean and land that can result in a pressure gradient and corresponding winds. Recent Temperature and Precipitation Trends at Toolik Over the latter half of the twentieth century, arctic air temperatures increased 2°C–3°C and the majority of this warming was in winter. Subsurface warming was also observed in borehole measurements.

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