Extended Arctic ozone depletion related to prolonged polar vortex

Article Abstract:

Research by Georg Hansen of the Norwegian Institute for Air Research and Martyn P. Chipperfield of the University of Cambridge showed that an unusually long arctic polar stratospheric vortex is exacerbating ozone depletion in the Arctic regions. They discovered that the exceptionally-long duration of the vortex increased the time for decreased ozone levels. Subsequently, this led to a rise in ultraviolet radiation in northern Europe. Further depletion arose from the chemical interactions of nitric oxide and nitrogen dioxide which was allowed by the long-lasting vortex.

Arctic, Arctic regions, Ozone layer depletion, Polar vortex

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Stratospheric Ozone

Article Abstract:

Kenneth P. Bowman's Stratospheric Ozone CD-ROM features data obtained through the Total Ozone Mapping Spectrometer (TOMS). The CD-ROM, which is ideal for teaching high school, college and graduate students, offers accessible climatological data and color maps that show the daily growth of the ozone hole. The CD-ROM also contains information on the TOMS and on issues concerning ozone depletion.

Evaluation, Product/Service Evaluation, Stratospheric Ozone (Scientific software)

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Scientific background for AMS policy statement on atmospheric ozone

Article Abstract:

The atmospheric ozone's reaction chemistry is caused by a major cyclical process accompanied by minor cycles and other secondary effects. This process, known as the Chapman cycle, causes ultraviolet radiation intensities at higher elevations in the stratopshere and troposphere to induce rapid ozone production. The phenomenon upsets the radiative balance of the Earth's atmosphere.

Research, Ultraviolet radiation, Atmospheric ozone

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