atmospheric composition

atmospheric composition

[¦at·mə¦sfir·ik ‚käm·pə′zish·ən]
(meteorology)
The chemical abundance in the earth's atmosphere of its constituents, including nitrogen, oxygen, argon, carbon dioxide, water vapor, ozone, neon, helium, krypton, methane, hydrogen, and nitrous oxide.
References in periodicals archive ?
Phil DeCola, who previously served as a science advisor to two administrations in the White House Office of Science and Technology Policy and as NASA Headquarter's Lead Scientist for Atmospheric Composition.
The Studies of Emissions, Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys mission -- SEAC4RS for short -- will be flown out of NASA Johnson Space Center's Ellington Field.
Observing the transit of a planet with a known atmospheric composition will provide a benchmark for studying details of exo-planet transits.
Atmospheric composition data from ice core and other records could allow the record to be extended back centuries.
It showed signs of several elements and a complex atmospheric composition, but the scientists then treated all of them as contaminants.
Layers of ice and sea sediment, for example, indicate precipitation and atmospheric composition.
His current research emphasizes the effects of terrestrial ecosystems on the global carbon cycle, and the impacts of climate change and land use on ecosystems and atmospheric composition.
This ITT is about activities to support and further develop the global fire data assimilation system of CAMS operated at ECMWF, which delivers near-real-time emissions of gases and aerosols through data assimilation and numerical modelling supporting atmospheric composition forecasts.
WASHINGTON, June 6, 2013 /PRNewswire-USNewswire/ -- NASA aircraft will take to the skies over the southern United States this summer to investigate how air pollution and natural emissions, which are pushed high into the atmosphere by large storms, affect atmospheric composition and climate.
Setting limits on atmospheric pressure is the first step towards understanding what the atmospheric composition was then.
Other astronomers at the May meeting urged that Hubble continue its pioneering work in determining the size and atmospheric composition of planets that lie beyond the solar system.
Before joining OSTP, he served as Lead Scientist for Atmospheric Composition in the NASA Science Mission Directorate Earth Science Division.

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