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Ozone hole 2000
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Ozone hole 2000
Antarctic ozone depletion. Coloured satellite map of atmospheric ozone in the southern hemisphere on September 6 2000. The ozone hole (yellow) over Antarctica (dark yellow) is at its 2000 maximum of 11 million square miles. The ozone layers thick- ness is measured in Dobson Units (DU) with 300 being an average figure. The map is colour-coded: blue to cyan (300-340 DU), red to orange (200-280 DU) and yellow (100-200 DU). The ozone hole is due to atmospheric pollution by halogen compounds from halons like CFCs (chlorofluorocarbons). It is greatest around October during the Antarctic spring. Data from the TOMS (Total Ozone Mapping Spectrometer) instrument on the TOMS-EP satellite
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Media ID 6373539
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Antarctica Atmosphere Biosphere Damage Earth Science Environmental Issues Oxygen Ozone Depletion Ozone Hole Sciences Stratosphere Ultraviolet Light
EDITORS COMMENTS
This print showcases the alarming state of the ozone hole in 2000, specifically focusing on its maximum extent over Antarctica. The image, a coloured satellite map captured on September 6th, vividly illustrates the severity of ozone depletion in the southern hemisphere during that time. With an area spanning a staggering 11 million square miles, the ozone hole is depicted as a striking yellow patch amidst darker shades. To comprehend this environmental phenomenon further, one must understand that the thickness of the ozone layer is measured in Dobson Units (DU). An average figure stands at 300 DU; however, this particular map employs colour-coded ranges to represent different levels. Ranging from blue to cyan (300-340 DU), red to orange (200-280 DU), and finally yellow (100-200 DU), these colours help visualize variations across regions. The primary cause behind this concerning issue lies in atmospheric pollution caused by halogen compounds found in substances like chlorofluorocarbons (CFCs). These harmful pollutants have contributed significantly to depleting our planet's protective shield against ultraviolet light - the ozone layer. It is noteworthy that such depletion peaks around October during Antarctic spring. Captured using data from TOMS-EP satellite's Total Ozone Mapping Spectrometer instrument, this image serves as a stark reminder of humanity's impact on Earth's delicate ecosystems. As we continue studying atmospheric research and exploring ways to mitigate pollution effects like CFC damage, it becomes crucial for us to address these
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