Example sentences of "ozone [noun] over the [noun sg] " in BNC.

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1 A Russian M-17 aircraft will be used by the Chileans to monitor ozone loss over the country .
2 Scientists at the US National Oceanic and Atmospheric Administration reported that ozone readings over the South Pole in mid September were 15 per cent lower than those taken a year earlier .
3 Ozone levels over the South Pole were also the lowest ever , and 50 per cent destruction of the ozone layer was reported above populated areas of southern Argentina and Chile .
4 Phytoplankton in Antarctic waters are being damaged by ultra-violet radiation because of the opening of the ozone hole over the South Pole , according to NASA scientists .
5 The Survey carried out the work which first identified the threat to the ozone layer over the south polar region .
6 Among those actively campaigning for it were scientist Joe Farman , who had " discovered " the hole in the ozone layer over the continent , French mariner Jacques Cousteau and polar explorer Robert Swan .
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