Ozone hole watch

External Data Reference Published 09 Apr 2015
Ozone hole watch - annual records
information.png Provider:
NASA
information.png Dataset URL:
http://ozonewatch.gsfc.nasa.gov/meteorology/annual_data.html

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Indicators using this data

Production and consumption of ozone-depleting substances Production and consumption of ozone-depleting substances Ozone-depleting substances (ODS) are long-lived chemicals that contain chlorine and/or bromine and can deplete the stratospheric ozone layer. This indicator quantifies the current state of the ozone layer, the progress being made towards meeting the EU’s Montreal Protocol commitments, as well as trends in the remaining uses of ODS within the EU. Context: The ozone layer refers to a region of the Earth’s atmosphere (the stratosphere) in which ozone ( O 3 ) is present in concentrations high enough to absorb most of the ultraviolet sun radiation. This natural phenomenon is essential for life on Earth because ultraviolet radiation damages living tissue. Ozone depletion refers to a steady decline of the ozone concentration in the stratosphere and a decrease in stratospheric ozone in the Polar Regions during the spring season. This has become widely known as the ‘ozone hole’. This phenomenon was first observed during the 1970s, when it was shown that the ozone hole was caused by complex chemical reactions in the atmosphere involving so-called ODS, which are almost exclusively a result of human industrial activity.

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For references, please go to https://www.eea.europa.eu/data-and-maps/data/external/ozone-hole-watch-annual-records or scan the QR code.

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