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\nAlaska mountain glaciers retreating due to climate change\n

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\n\nPublisher:\n\nScience360\n\n\n
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\nTighten your seat belt! This runway is made of ice. Welcome to Ruth Glacier, deep inside Alaska's Denali National Park and Preserve. Some of the visitors are here for recreational activities, such as backcountry skiing, but this is no...\nTighten your seat belt! This runway is made of ice. Welcome to Ruth Glacier, deep inside Alaska's Denali National Park and Preserve. Some of the visitors are here for recreational activities, such as backcountry skiing, but this is no vacation for University of Maine paleoclimatologist Karl Kreutz and his team. For them, time on the ice is all part of the job. With support from the National Science Foundation, the scientists are working to reconstruct the climate history of this area over the last thousand years. They're researching the relationship between the temperatures and precipitation rates, and the response of glaciers in this area to climate changes. In 2013, the team drilled ice cores high atop Denali's Mount Hunter. By carefully analyzing ice layers inside the cores, the team is developing a record of temperature change in the Alaska range over the last millennium. While the vast majority of glacier ice on our planet lies in Greenland and Antarctica, Kreutz says the glaciers in Alaska could also make a significant contribution to global sea-level-rise in the coming decades.\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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3:40
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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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2014
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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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alaska, time, area, sea level, scientists, temperature, radar, snow, glaciers, depth
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rate, mountain, part, melting, fact, meter, rise, earth & environment, decades, cores, looked, life sciences, team, past, estimate, confidence, sample, croitz
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Best For: Explaining a topic
Video is ad-free
Usage Rights: Fine Print - Editing not permitted
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