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Weather 'behind ozone hole changes'

weather ozone layer antarctica upper atmosphere

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#1    Still Waters

Still Waters

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Posted 12 December 2013 - 08:51 PM

New insight has been gained into the recovery of the ozone layer.

Scientists have been puzzled why the hole, which forms each year over Antarctica, has been changing considerably in size from year to year.

Now Nasa researchers say it is the weather that is primarily driving this variability - not the ozone-destroying chemicals in the upper atmosphere.

http://www.bbc.co.uk...onment-25344563

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