File:Permafrost Thaw (14413865677).jpg
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| Description | Have you ever seen a lake disappear? Permafrost is thawing across the Arctic, causing northern lands to sink or change shape. In Gates of the Arctic National Park, a bank of this lake thawed, allowing the Okokmilaga River to cut through and drain it to sea. Although it's the short-term impacts that are most noticeable to us, scientists are particularly concerned about what will happen as the frozen ground releases carbon dioxide and methane that were formerly stored under the surface. Learn more from the USGS at www.usgs.gov/blogs/features/usgs_top_story/permafrost-its... |
| Date | |
| Source | Permafrost Thaw |
| Author | NPS Climate Change Response NPS Photo (C.Ciancibelli) |
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 23:01, 17 November 2015 | | 2,048 × 1,536 (467 KB) | Holly Cheng (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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