Increased Summertime UV Radiation in New Zealand in Response to Ozone Loss

DOI Web Site 被引用文献5件
  • Richard McKenzie
    National Institute of Water and Atmospheric Research, NIWA Lauder, PB 50061 Omakau, Central Otago, New Zealand.
  • Brian Connor
    National Institute of Water and Atmospheric Research, NIWA Lauder, PB 50061 Omakau, Central Otago, New Zealand.
  • Greg Bodeker
    National Institute of Water and Atmospheric Research, NIWA Lauder, PB 50061 Omakau, Central Otago, New Zealand.

抄録

<jats:p>Long-term decreases in summertime ozone over Lauder, New Zealand (45°S), are shown to have led to substantial increases in peak ultraviolet (UV) radiation intensities. In the summer of 1998–99, the peak sunburning UV radiation was about 12 percent more than in the first years of the decade. Larger increases were seen for DNA-damaging UV radiation and plant-damaging UV radiation, whereas UV-A (315 to 400 nanometers) radiation, which is insensitive to ozone, showed no increase, in agreement with model calculations. These results provide strong evidence of human-induced increases in UV radiation, in a region where baseline levels of UV radiation were already relatively high.</jats:p>

収録刊行物

  • Science

    Science 285 (5434), 1709-1711, 1999-09-10

    American Association for the Advancement of Science (AAAS)

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