Ozone hole, September 2004

Ozone hole, September 2004

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This image is part of the sequence Environment: satellite maps of the ozone hole over the Antarctic from 1999 to 2007


Caption: Antarctic ozone hole. Coloured satellite image of low atmospheric ozone levels over Antarctica on 22nd September 2004. The ozone hole (dark blue) is 24.2 million square kilometres in size. The largest hole was 29.2 million square kilometres in 2000. Ozone levels are colour-coded, from dark blue (lowest), through cyan and green to yellow (highest). The lowest levels here are around 40% of the normal level. Ozone absorbs harmful ultraviolet (UV) radiation from the Sun but its levels are reduced by chlorofluorocarbons (CFCs) and other compounds. The ozone hole size is predicted to decline over future years. Data from the Total Ozone Mapping Spectrometer (TOMS).

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Keywords: 2004, 21st century, 22 september 2004, 22/09/04, antarctic, antarctica, atmosphere, atmospheric, cfc, cfcs, chlorofluorocarbon, chlorofluorocarbons, damage, damaged, depletion, earth, earth observation, earth science, environment, environmental, from space, layer, loss, ozone hole, ozone layer, planet, polar, polluted, pollution, protection, protective, satellite, satellite image, south pole, spectrometer, stratosphere, stratospheric, thinned, thinning, toms, total ozone mapping, ultraviolet light, uv

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