Sentences with phrase «ozone loss above»

And ozone loss above the Antarctic, where numbing cold creates high - altitude clouds that speed ozone depletion, remains an intractable challenge.

Not exact matches

They also report that there was a 50 per cent loss of the ozone above southern Argentina and southern Chile for a few days in early October.

In addition, the larger than expected loss of UV light meant less stratospheric ozone up to 45 kilometers above the surface, but more above that line.

But still, above and below this altitutde region chemical loss of ozone was so far always much more limited.

Anthropogenic chemical loss also contributed to it, but was not the main cause for the unusually thin ozone layer above the UK in this situation.

But still, above and below this altitutde region chemical loss of ozone was so far always much more limited.

Hence, the chemical loss has been balanced by transport, such that in spring 1999/2000 the ozone layer above the Arctic has still been as thin as it always is in fall, in contrast to the normal seasonal increase of the thickness of the ozone layer during winter.

Anthropogenic chemical loss also contributed to it, but was not the main cause for the unusually thin ozone layer above the UK in this situation.

Large scale ozone losses have occurred above the Arctic this past winter with over 50 % of the ozone destroyed at altitudes around 18 km.

Because ozone rapidly decreases with height (very little ozone above 35 km), ozone loss is estimated to have caused only half of the cooling at the higher levels of the stratosphere.

Above the North Pole, however, ozone loss is highly variable and has, until now, been much more limited, writes the international research team led by Gloria Manney of the California Institute of Technology.

Lingering pollutants, called chlorofluorocarbons, and cold temperatures high in the atmosphere have conspired to create record loss of the protective ozone layer above the Arctic, the World Meteorological Organization reports.