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Results from a study of clouds and aerosols conducted in the Azores revealed that new particles can seed the formation of clouds in the marine boundary layer the atmosphere up to about a kilometer above Earth s surface even over the open ocean, where the concentration of precursor gases was expected to be low. Credit: U.S. Department of Energy Atmospheric Radiation Measurement (ARM) user facility. Read Time:
New results from an atmospheric study over the Eastern North Atlantic reveal that tiny aerosol particles that seed the formation of clouds can form out of next to nothingness over the open ocean. This ânew particle formationâ occurs when sunlight reacts with molecules of trace gases in the marine boundary layer, the atmosphere within about the first kilometer above Earthâs surface. The findings, published in the journal Nature Communications, will improve how aerosols and clouds are represented in models that describe Earthâs climate so scientists can
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A study conducted in the Azores on clouds and aerosols has found that new particles can seed the information from the marine boundary layer.
That is the atmosphere up to about one kilometer above the earth s surface. Even on the open ocean where precursor gas concentration was expected to be low.
(Photo : Magda Ehlers)
The Study
Tiny aerosol particles that seed the information of clouds can form out of nothing over the open ocean, a new atmospheric study over the Eastern North Atlantic has revealed.
The formation of the new particles occurs when sunlight reacts with molecules of trace gases in the marine boundary layer. That is the atmosphere within the first kilometer above the earth s surface.
New findings about tiny aerosols will greatly improve climate models
January 22, 2021 SHARE New results from an atmospheric study over the eastern North Atlantic reveal that tiny aerosol particles which seed clouds can form out of next-to-nothingness over the open ocean. This image was taken on the aircraft carrying 55 different atmospheric instrument systems which took measurements over the Azores and surrounding ocean. (Courtesy photo)
New results from an atmospheric study over the eastern North Atlantic reveal that tiny aerosol particles that seed clouds can form out of next-to-nothingness over the open ocean.
This “new particle formation” occurs when sunlight reacts with molecules of trace gases in the marine boundary layer, the atmosphere within about the first mile above Earth’s surface. The findings will improve how aerosols and clouds are represented in models that describe Earth’s climate so scientists can understand how the particles and the processes
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Tiny Particles that Seed Clouds Can Form from Trace Gases Over Open Sea
Understanding previously undocumented source of new particle formation will improve models of aerosols, clouds, and their impact on Earth s climate
January 22, 2021
Results from a study of clouds and aerosols conducted in the Azores revealed that new particles can seed the formation of clouds in the marine boundary layer the atmosphere up to about a kilometer above Earth s surface even over the open ocean, where the concentration of precursor gases was expected to be low.
Image courtesy of the U.S. Department of Energy Atmospheric Radiation Measurement (ARM) user facility.