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Iodine vapours impact climate modelling – CERN Courier cerncourier.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cerncourier.com Daily Mail and Mail on Sunday newspapers.
CLOUD Study Rethinks Aerosol Formation in Polar, Marine Regions miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
CLOUD collaboration challenges current understanding of aerosol particle formation in polar and marine regions phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
Atmospheric aerosol particles exert a strong net cooling effect on the climate by making clouds brighter and more extensive, reflecting more sunlight back out to space. However, how aerosol particles form in the atmosphere remains poorly understood, especially in polar and marine regions. Globally, the main vapour driving particle formation is thought to be sulfuric acid, stabilised by ammonia. However, since ammonia is frequently lacking in polar and marine regions, models generally underpredict aerosol particles in these regions. A new study from the CLOUD collaboration now challenges this view, by showing that iodine oxoacids are acting synergistically with sulfuric acid to greatly enhance the particle formation rates. The new findings, described in a paper published today in the journal Science, build on earlier CLOUD studies that showed that iodine oxoacids rapidly form particles even in the complete absence of sulfuric acid. The results imply that climate models are substantiall ....