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UV - RESEARCH TRIANGLE PARK NC
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Description:
Brewer 087 is located in Research Triangle Park NC, measuring ultraviolet solar radiation. Irradiance and column ozone are derived from this data. Ultraviolet solar radiation is measured with a Brewer Mark IV, single-monochrometer, spectrophotometer manufactured by SCI-TEC Instruments, Inc. of Saskatoon, SK, Canada. The UV monitoring under EPA's UV-Net program is coordinated with measurement programs of other U.S. Federal agencies through the U.S. Global Change Research Program. Brewer 087 is located on a 13 meter high instrument platform in an open field at Research Triangle Park, a semi-rural locale between the cities of Raleigh, Durham and Chapel Hill, North Carolina. The surrounding forest is a mixture of pines and hardwoods which obstruct the horizon by less than 6 degrees. There are instruments located on the north side of the platform that obstruct the sky somewhat. A 30-m meteorological tower located about 15 meters to the SE may interfere with some morning direct sun measurements. The Brewer has been recording data at this site since January 1995.