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UV - GLACIER NATIONAL PARK MT
Citation:
Description:
Brewer 134 is located in Glacier NP, 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 134 is located in St. Mary, MT, on the Park's eastern boundary, on an 11-meter platform. The site is on a fenced, 60x60 meter compound, and there are no immediate obstructions within 30 meters of the platform. The mountains rise in the W and NW to 15-20 degrees elevation. Obstruction from the terrain or from trees is less than 15 degrees in other directions. The Brewer has been recording data at this site since September 1997.