ozone hole


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Related to ozone hole: Ozone depletion

ozone hole

[′ō‚zōn ‚hōl]
(meteorology)
References in periodicals archive ?
This study is the first to use measurements of the chemical composition inside the ozone hole to confirm that not only is ozone depletion decreasing, but that the decrease is caused by the decline in CFCs.
The Antarctic ozone hole was exceptionally weak this year," said Paul A.
as ozone hole gets wider appeared first on Cyprus Mail .
The map showed that the concentration varied with altitude; winds carried ozone into the upper altitudes in early October, masking the ozone destruction in the lower stratosphere and creating the impression that the ozone hole had improved.
The ozone hole is a seasonal phenomenon that starts to form during the Antarctic spring (August and September).
A lot of people mix up the ozone hole and global warming, believing the hole is a major cause of the world's increasing average temperature.
The website provides daily images and updates of the Ozone Hole from NASA, The British Antarctic Survey, The European Space Agency and Environment Canada and has a comprehensive database of information concerning ozone depletion, and is a unique and valuable educational resource.
In 1985, scientists at a research station in Antarctica made a startling discovery: a gaping ozone hole over the South Pole.
By the end of the century it is expected that the ozone hole will have repaired itself and about one-third of Antarctica will have disappeared.
The closing of the ozone hole, which is projected to occur sometime in the second half of the 21st century, significantly may affect climate change in the Southern Hemisphere and, there fore, the global climate, according to a study by researchers at Columbia University, New York.
If the ozone layer is keeping greenhouse gases in, let's use more CFCs in spray-cans to make the ozone hole bigger and let the greenhouse gases out.
A survey conducted by ozone monitoring instruments aboard NASA's AURA satellite has yielded dramatic information about the status of the Earth's ozone hole.