Summit Station -- Greenland Image 4
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Summit Station -- Greenland (Image 4)

July 13, 2010
The edge of the Greenland ice sheet stretches off to the horizon.

This area of Greenland is home to Summit Station, a National Science Foundation (NSF)-supported research station, located atop 3200 meters (10,000 feet) of ice (and nearly 400 kilometers from the nearest point of land) at the peak of the Greenland ice sheet. Summit Station is the home of the Greenland Environmental Observatory (GEOSummit), which conducts year-round climate monitoring of key climate variables--conducted to study air-snow interactions--the knowledge of which is crucial for interpreting data from ice cores drilled in the area and elsewhere. Summit Station has become an Arctic 'flagship' station as part of the Arctic Observing Network (AON) and the International Arctic Systems for Observing the Atmosphere (IASOA) network.

GEOSummit was established by NSF and the Danish Commission for Scientific Research in Greenland, to provide year-round, long-term measurements for monitoring and investigations of the Arctic environment. The multidisciplinary facility is home to several investigations who live here year-round, as well as numerous seasonal campaigns which take advantage of the unique location of the observatory. GEOSummit provides investigators easy access to the highest site north of the Arctic Circle, and has hosted numerous atmospheric and glaciological investigations since 1989. Following two trial winter-over periods (1997-1998, and 2000-2002), the NSF Long Term Observatory (LTO) program committed funding to maintain year-round measurements of key baseline variables of climate change at the site for a period of five years, from 2003-2008. In addition, several programs funded through European agencies have a year-round presence at the site. Summit is operated by CH2M Hill Polar Services, NSF's logistic contractor in the Arctic. For further information, visit the visit the GEOSummit Web site. [Image 4 of 8 related images. See Image 5.] (Date of Image: August 2007)

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