Get Alaska's Changing Arctic: Ecological Consequences for PDF

By John E. Hobbie, George W. Kling

ISBN-10: 0199860408

ISBN-13: 9780199860401

During this version of the longer term 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 dependent at Toolik Lake, Alaska, a website that has been lively because the mid-1970s. The ebook offers examine at the center problems with climate-change technological know-how within the treeless arctic area of Alaska. As a complete, it examines either terrestrial and freshwater-aquatic ecosystems, and their 3 normal habitats: tundra, streams, and lakes.
The publication offers a heritage of the Toolik Lake LTER website, and discusses its current situation and destiny outlook. It gains contributions from most sensible scientists from many fields, making a multidisciplinary survey of the Alaskan arctic environment. bankruptcy themes contain glacial historical past, 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 because of international warming and weather swap, and discusses the longer term ecology of the LTER website within the quarter.
Alaska's altering Arctic is the definitive medical survey of the prior, current, and way forward for the ecology of the Alaskan arctic.

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Extra resources for Alaska's Changing Arctic: Ecological Consequences for Tundra, Streams, and Lakes

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However, few stations report precipitation year round and these numbers are highly uncertain. 7B). This sharp gradient in precipitation may be attributed in part to orographic effects of the Brooks Range, which enhance rainfall by mechanical lifting of air masses over the mountains.

Meteorological instruments deployed on a 5-m tower measured air temperature (T), relative humidity (RH), wind speed (U) and direction (φ), surface atmospheric pressure (Ps), precipitation (P), soil temperature (Ts), and various radiation parameters. The Toolik data chosen for study begin on January 1, 1989, and end on December 31, 2010 (21 years).  Robinson’s work on digitizing NOAA/NWS charts (Robinson et al. 2001). Correction factors for gauge-based data in the National Climate Data Center (NCDC) Global Summary of the Day archive are provided by D.

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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Alaska's Changing Arctic: Ecological Consequences for Tundra, Streams, and Lakes by John E. Hobbie, George W. Kling


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