Indication of increasing solar ultraviolet-B radiation flux in alpine regions

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Science  13 Apr 1990:
Vol. 248, Issue 4952, pp. 206-208
DOI: 10.1126/science.2326634


Measurements at the Jungfraujoch High Mountain Station (Swiss Alps, 47 degrees N, 3576 meters above sea level) indicate that there has been a slight increase of about 1 percent per year in the flux of solar ultraviolet-B radiation (290 to 330 nanometers) since 1981. A Robertson-Berger detector was used to measure solar erythemal radiation. The increase can be related to a long-term ozone depletion.

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