|NSF Polar Programs UV Monitoring Network|
The NSF Polar Programs UV Monitoring
Network consists of seven sites, including three sites in Antarctica, one site
in Argentina, two sites in the United States, and one site in Greenland.
Instruments were installed at four sites (McMurdo Station, Palmer Station, and
South Pole Station, Antarctica; and Ushuaia, Argentina) between February and
November 1988. A fifth instrument was installed in Barrow, Alaska in December
1990. The sixth system, located in San Diego, California, was installed in
November 1992. The latest addition is the system at Summit, Greenland, which
was installed in August 2004.
Depending on the time of year, data scans are conducted quarter-hourly when the sun is above the horizon. Data are collected on a reduced schedule at night. At sites inside the Arctic or Antarctic circles, instrument operation is on a reduced schedule during winter darkness.
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