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| | | | | | | | | ERS-2/GOME map of ozone thinning over Europe | |
Ozone holes
Thinning of the stratospheric ozone layer, first conspicuous as a “hole” over Antarctica, is now apparent also in the north, and the response to curbs on manmade emissions of ozone-harming chemicals is slower than expected. ESA joined in the worldwide effort to measure ozone and study its chemistry with the GOME instrument in ERS-2 (1995). An improved version, SCIAMACHY, is carried on Envisat. Two other instruments detect ozone and other chemicals in the atmosphere seen on the limb (edge) of the Earth from Envisat’s viewpoint, by their absorption of starlight (GOMOS) and their emission of infrared signatures (MIPAS).
Last update: 20 April 2004 | |
| | Related links Cold spell in the stratosphere (PR47-99)Earthnet SCIAMACHY IntroductionGOMOSMIPASERS instruments
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