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Tag: Stratosphere

Global CFC production
Chlorofluorocarbons (CFCs), along with other chlorine- and bromine-containing compounds, have been implicated in the accelerated depletion of ozone in the Earth's stratosphere. CFCs were developed in the early 1930s and ...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Number of extra skin cancer cases related to UV radiation
The most widely recognised damage occurs to the skin. The direct effects are sun burn, chronic skin damage (photo-aging) and an increased risk of developing various types of skin cancer. Models predict that a 10 per cent...
29 Nov 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The “Hole”: a result of special weather conditions over the pole repeated every spring
The Antarctic continent is circled by a strong wind in the stratosphere which flows around Antarctica and isolates air over Antarctica from air in the midlatitudes. The region poleward of this jet stream is called the An...
29 Nov 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Ozone hole size 1980–2006
The extent of ozone depletion for any given period depends on complex interaction between chemical and climatic factors such as temperature and wind. The unusually high levels of depletion in 1988, 1993 and 2002 were due...
01 Oct 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Antarctic hole
Despite progress achieved under the Montreal Protocol, the ozone “hole” over the Antarctic was larger than ever in September 2006. This was due to particularly cold temperatures in the stratosphere, but also to the chemi...
29 Nov 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Antarctic hole
Despite progress achieved under the Montreal Protocol, the ozone “hole” over the Antarctic was larger than ever in September 2006. This was due to particularly cold temperatures in the stratosphere, but also to the chemi...
31 Jul 2008 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Arctic Ozone Depletion and Stratospheric Temperature
Changes in ozone amounts are closely linked to temperature, with colder temperatures resulting in more polar stratospheric clouds and lower ozone levels. Atmospheric motions drive the year-to-year temperature changes.The...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Ozone Hole Size
The extent of ozone depletion for any given period depends on complex interaction between chemical and climatic factors such as temperature and wind. The unusually high levels of depletion in 1988, 1993 and 2002 were due...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Chemical Ozone Destruction Process in the Stratosphere
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The 'Hole': A Result of Specil Weather Conditions over the Pole Repeated Every Spring
The Antarctic continent is circled by a strong wind in the stratosphere which flows around Antarctica and isolates air over Antarctica from air in the midlatitudes.
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal