University of Florida, National Science Foundation
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In this audio slideshow, an ecologist from the University of Florida describes the radiocarbon dating technique that scientists use to determine the amount of carbon within the permafrost of the Arctic tundra. Understanding the rate of carbon released as permafrost thaws is necessary to understand how this positive feedback mechanism is contributing to climate change that may further increase global surface temperatures.
Subject: Geoscience:Atmospheric Science:Climatology , Climate Change:Impacts of climate change, Geoscience:Atmospheric Science:Climate Change, Environmental Science:Global Change and Climate:Climate Change:Impacts of climate change, Environmental Science:Global Change and Climate:Climate Change, Environmental Science:Global Change and Climate Resource Type: Audio/Visual:Animations/Video Grade Level: Middle (6-8), High School (9-12), College Lower (13-14), College Upper (15-16) Theme: Teach the Earth:Course Topics:Atmospheric Science, Teach the Earth:Incorporating Societal Issues:Climate Change, Teach the Earth:Course Topics:Environmental Science, Teach the Earth:Enhancing your Teaching:NGSS
