CRREL Permafrost Research Tunnel AK
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OP Notes: Public tours are NOT available
Description: The Cold Regions Research and Engineering Laboratory (CRREL) Permafrost Research Tunnel is a unique underground research facility located near Fairbanks, Alaska. It is operated by the U.S. Army Engineer Research and Development Center (ERDC) and is dedicated to the study of permafrost, frozen ground that remains at or below freezing temperature for at least two consecutive years. Here are some key details about the CRREL Permafrost Research Tunnel: Location: The CRREL Permafrost Research Tunnel is located about 20 miles south of Fairbanks, Alaska, near the community of Fox. It is situated in the permafrost region of Interior Alaska, making it an ideal location for studying frozen ground. Construction: The tunnel was originally constructed in the 1960s as a part of the U.S. Army's permafrost research program. It was excavated into a hillside to provide access to underground permafrost layers. Size: The tunnel extends over 500 feet into the hillside and reaches a depth of approximately 40 feet below the surface. It consists of a series of chambers and passages that provide researchers with access to different permafrost layers and conditions. Research Objectives: The primary goal of the CRREL Permafrost Research Tunnel is to facilitate scientific research related to permafrost, including its properties, thermal behavior, and response to climate change. Researchers study the composition of permafrost, ground ice, and the effects of thawing on infrastructure. Climate Change Research: The tunnel is an invaluable resource for scientists studying the impacts of climate change on permafrost. It allows researchers to monitor temperature changes and permafrost degradation over time. Educational Tours: The CRREL Permafrost Research Tunnel offers guided educational tours to the public and school groups during the summer months. Visitors have the opportunity to explore the tunnel, learn about permafrost research, and observe the unique underground environment. Equipment and Instrumentation: The tunnel is equipped with various scientific instruments and data collection systems to monitor temperature, humidity, and other factors within the permafrost layers. Permafrost Samples: Researchers can collect permafrost samples from different depths and locations within the tunnel for laboratory analysis. These samples provide valuable insights into permafrost characteristics. Infrastructure and Engineering Studies: The research conducted in the tunnel helps inform engineering practices in permafrost regions, where the stability of buildings, roads, and pipelines depends on a thorough understanding of frozen ground. Long-Term Monitoring: The tunnel supports ongoing, long-term monitoring efforts, enabling researchers to track changes in permafrost conditions over decades.