Air pollution has major impact on global weather
Air pollution has major impact on global weather
Air pollution caused by humans is not only causing health and
environmental issues, it is also affecting global weather. The
researchers at the Texas A&M University have recently found the
clear link between the increased air pollution, and changing weather
patterns, particularly on the formation of powerful storms.
In their study, researchers used pollution emission data compiled by the
Intergovernmental Panel on
Climate Change and looked at two scenarios, the first one for a rate in
1850, the so called pre-Industrial era, and the second one from 2000. By
comparing these two scenarios researchers discovered that air
pollutants from Asia affect storms that hover over the Pacific and
subsequently the weather patterns in North America as well as the rest
of the
world.
The ever-increasing air pollution in many of the Asian fast-growing
economies has major impact on storm formation and global air
circulation. It makes storms stronger and more intense, and these storms
are then characterized with more precipitation in them.
The pollutants that come in the air form particles called aerosols. The
level of these particles in the atmosphere affects the scattering or
absorbing solar radiation, and can thus indirectly lead to alteration of
cloud formations.
The researchers are convinced that the Pacific storm track is
intensified because of the growing Asian air pollution. Aerosols in the
air over Asia impact the global weather patterns through these powerful
Pacific storms can affect weather significantly, both at regional as
well as global level.
Hopefully, future studies will shed even more light on the link between air pollution and climate and weather patterns.
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