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Ultraviolet Monitoring Program: UV-Net
The EPA UV-Net Program operates and maintains a network of
Brewer spectrophotometers throughout the United States which
measure full-sky spectrally resolved solar radiation in the UV-B
and UV-A bands. Irradiance
and total column ozone concentrations are derived from the data.
The data are analyzed and stored in a data base for dissemination to government and non-government scientists and
interested parties.
Fourteen of the UV monitoring sites are located in National Parks and are operated by National Park Service employees as part of the Park Research and Intensive Monitoring of Ecosystems Network (PRIMENet
 ). An additional set of seven sites are currently operating in urban areas. Ultraviolet solar radiation is measured with a Brewer Mark IV, single-monochrometer, spectrophotometer manufactured by Kipp and Zonen of Saskatoon, Saskatchewan, Canada. The UV monitoring under this program is
coordinated with measurement programs of other U.S. Federal agencies through the U.S. Global Change Research Program.
Specifically this program:
Provides information on the geographical distribution and temporal trends of Ultraviolet radiation
in the United States;
Provides long-term records of UV irradiance to scientists studying effects of UV on biota and materials.
Background material on the EPA/NPS monitoring network
For more information ...
The Environmental Information Management System (EIMS) provides a searchable catalog of scientific information resources found within ORD and the Agency. Use EIMS to locate additional data about UV radiation.
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