Peter Gies, Andrew Klekociuk, Matthew Tully, Stuart Henderson, John Javorniczky, Kerryn King, Lilia Lemus-Deschamps and Jennifer Makin Low Ozone Over Southern Australia in August 2011 and its Impact on Solar Ultraviolet Radiation Levels Photochemistry and Photobiology 89
During August 2011, anomalous southward movement of stratospheric ozone-poor air from tropical latitudes resulted in very low ozone levels (approximately 265 Dobson Units) over much of Southern Australia. Consequently, measured solar ultraviolet radiation (UVR) levels increased by up to 40% higher than normal. Given the populations involved in the major cities there (approximately 10 million people), it is likely that many people could have resultant higher solar UVR exposures and sunburns. Reporting procedures have been modified to warn the public of unusually low ozone and high UVR levels in the future.
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