Antarctic ozone hole maximum. Satellite image of the maximum extent in 2018 of the ozone hole (blue) over Antarctica (centre). Ozone layer thicknesses are colour coded from purple (lowest) through blue, cyan and green to yellow (highest). The ozone hole reached its annual maximum on 20 September 2018, covering an area of many million square kilometres. The 2018 peak was slightly about average for recent years. The amount of ozone depleting substances have decreased from peak levels in 2000. NASA has been monitoring the status of the ozone layer through satellite observations since the 1970s. Image data obtained by the Ozone Monitoring Instrument on NASA's Aura satellite. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NASA's Goddard Space Flight Center |
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