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\nArctic soils key to future climate\n

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\n\nPublisher:\n\nScience360\n\n\n
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\nSince the last ice age, plants in the Alaskan Arctic have been taking carbon out of the atmosphere and locking it away in the soil. So, for thousands of years, the soil microbes in this region of the world have subsisted on a limited...\nSince the last ice age, plants in the Alaskan Arctic have been taking carbon out of the atmosphere and locking it away in the soil. So, for thousands of years, the soil microbes in this region of the world have subsisted on a limited carbon diet because much of the organic matter is frozen into the permafrost layer, which starts about a foot underground. But now, the permafrost is starting to thaw. That means all those microbes are about to find themselves at an all-you-can-eat carbon buffet. With support from the National Science Foundation, ecologist Matthew Wallenstein and a team from Colorado State University have come to the Toolik Field Station, deep inside the Arctic Circle, to drill soil cores for study. The researchers are trying to find out more about how microbes in the soil are cycling carbon from the Earth to the atmosphere. Scientists estimate the Arctic stores more carbon in its landscape than is stored in the entire atmosphere. So, if that carbon is released, it has the potential to impact climate worldwide, as well as crop productivity and wildfires.\n
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Resource Details

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Educator Rating
Not yet Rated
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Media Length
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3:36
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Grade
12th - Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nScience360\n\n
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Date
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2015
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Language
English
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Audiences
For Teacher Use
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Fine Print: Educational Use
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Concepts

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dirt, soil, carbon, microbes
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Additional Tags

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k-12 & education, cold, soil microbes, landscape, breathe, atmosphere, fast, earth & environment, life sciences, warming, life, affect, frozen, ball, arctic, study
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Best For: Explaining a topic
Video is ad-free
Usage Rights: Fine Print - Editing not permitted
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