'Permafrost' diaporamas de présentation

When is the Permafrost Carbon Tipping Point?

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Crossing the final ecological threshold in high Arctic ponds

How often and under what circumstances does wetland drying or thawing of permafrost cause a change in ecosystem state?. Crossing the final ecological threshold in high Arctic ponds. Smol and Douglas 2007 PNAS. Barber et al. 2004 Climatic Change. Klein et al. Can. J. For. Res. 2005.

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BS102 Environmental Biology

BS102 Environmental Biology. Lecture Notes Packet #3 Daniel W. Ward. Land Biomes. Connections between Climate and Vegetation Climate the average long term (30 years) weather of an area. it determines the type of vegetation of that area. factors which determine climate: temperature

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Andrey B.Shmakin

Studies of IGBP -related subjects i n Northern Eurasia at the Laboratory of Climatology, Institute of Geography, Russian Academy of Sciences. Andrey B.Shmakin. Main subjects studied at the Laboratory.

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David Lawrence 1 and Andrew Slater 2

A Projection of Severe Degradation of Near-Surface Permafrost: Potential Feedbacks on Global Climate. David Lawrence 1 and Andrew Slater 2. 1 NCAR / CGD Boulder, CO 2 NSIDC / CIRES Boulder, CO. Permafrost: Soil or rock that remains below freezing for two or more years.

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Canadian Terrestrial Biomes

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Permafrost and changing climate: impacts on infrastructure

Permafrost and changing climate: impacts on infrastructure. Oleg Anisimov, Svetlana Reneva, Vasiliy Kokorev, Julia Strelchenko State Hydrological Institute St.Petersburg, Russia. Permafrost occupies more than 60% of Russia. Aerobic. Active layer. Water. CH 4. Permafrost.

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THE TUNDRA BIOME

THE TUNDRA BIOME. By Bas Dixon-Smith Year 6B. THE BIOME: Tundra (Climate / geography). http://en.wikipedia.org/wiki/Permafrost. What is tundra climate/geography The tundra is a barren , cold environment that has permafrost as one of its features

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Land Surface Scheme in CRCM5 Advanced modules Summary

Outline. Land Surface Scheme in CRCM5 Advanced modules Summary. Overview: Land surface scheme in CRCM. Canadian LAnd Surface Scheme; Verseghy, 1991; Verseghy et al., 1993. Verseghy, 2000. Thermally separate vegetation canopy, snow cover and three soil layers (0.1, 0.25, 3.75m).

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Periglacial Process in Alaska

Periglacial Process in Alaska. Application: Alaska Pipeline. Permafrost regimes Tectonics. Alaska Pipeline. ~ 800 miles long (409 mi. buried; 382 mi. above ground)

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Permafrost, Periglacial Processes and Soils in the Southern Hemispheres

IPA and SCAR Cooperation. Permafrost, Periglacial Processes and Soils in the Southern Hemispheres. APPE/ECPPE. IPA Antarctic Permafrost and Periglacial Processes (APPE) Co-Chair: Bockheim and Boelhouwers SCAR Expert Group on Permafrost and Periglacial Environments (EGPPE)

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International Workshop on Antarctic Permafrost and Soils November 14 to 18, Madison

German Activities on Antarctic Permafrost and Soils Hans-W. Hubberten Alfred Wegener Institute for Polar and Marine Research Potsdam. International Workshop on Antarctic Permafrost and Soils November 14 to 18, Madison. German activities related to permafrost and soils in the past.

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Mary River Project Pre-Hearing Conference Presentation

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Data Management

Development of a Network of Permafrost Observatories in North America and Russia: The US Contribution to the International Polar Year PI: Vladimir Romanovsky , Geophysical Institute, University of Alaska Fairbanks

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International University Courses on Permafrost 2008 (IUCP) as part of the International Polar Year

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