Antarctic ozone hole, 2006
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Antarctic ozone hole, 2006
Antarctic ozone hole. Coloured satellite image of the reduced atmospheric ozone layer over Antarctica on 13th September 2007. Ozone layer thicknesses are colour coded from purple (lowest) through blue, cyan, green and yellow to orange (highest). The purple regions have an ozone layer that is about 40% thinner (at 100-200 Dobson units) than normal (300-340 Dobson units). Ozone absorbs harmful ultraviolet (UV) radiation from the Sun, but its levels are reduced by chlorofluorocarbons (CFCs) and other compounds. The hole in September 2006 (see E100/264) set records for extent (over 29.5 million square kilometres) and ozone depletion (to 85 Dobson units). Here, the hole is smaller, spanning 24.7 million square kilometres. Data from the Ozone Monitoring Instrument on the Aura satellite
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Media ID 6373991
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2006 Antarctic Antarctica Atmosphere Atmospheric Aura Cfcs Circle Circular Damage Damaged Earth Observation Earth Science Environmental From Space Globe Largest Layer Level Levels Loss Ozone Hole Ozone Layer Polar Polluted Pollution Protection Protective Records Round Satellite Image South Pole Southern Hemisphere Sphere Spherical Stratosphere Stratospheric Ultraviolet Light Lowest Thinning
EDITORS COMMENTS
This print showcases the Antarctic ozone hole in 2006, revealing a stunning satellite image of the reduced atmospheric ozone layer over Antarctica on September 13th, 2007. The mesmerizing colors used to code the ozone layer thickness range from purple (lowest) through blue, cyan, green and yellow to orange (highest). In this image, the purple regions indicate an alarming thinning of about 40% compared to normal levels. The significance of the ozone layer lies in its ability to absorb harmful ultraviolet radiation from the Sun. However, human activities such as the use of chlorofluorocarbons (CFCs) have led to its depletion. The previous year's hole set records for both extent and ozone depletion but has now decreased in size while still spanning a vast area of approximately 24.7 million square kilometers. As we observe this circular void hovering over Antarctica, it serves as a stark reminder that our actions can have far-reaching consequences on our planet's protective atmospheric sphere. This image highlights not only environmental pollution but also emphasizes the urgent need for global protection measures against further damage. Through initiatives like the Montreal Protocol and instruments like Ozone Monitoring Instrument (OMI), scientists strive to monitor and combat these concerning trends. As we delve into Earth science through space observation techniques, images like these provide valuable insight into our changing world. Let this photograph serve as a call-to-action towards preserving our fragile environment and ensuring that future generations inherit a healthy planet free from such destructive phenomena.
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