Atmospheric chemistry

Atmospheric chemistry

A scientific study of the chemistry of the Earth's atmosphere and that of other planets.

Industry: Chemistry; Weather

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Atmospheric chemistry

quicklime

Chemistry; Atmospheric chemistry

Also referred to as calcium oxide (CaO), lime, or calx. The physical appearance of CaO is white, caustic, and solid at room temperature. Calcium oxide is simply produced by heating the calcium ...

uranium-thorium dating

Chemistry; Atmospheric chemistry

An absolute dating technique which uses the properties of the radioactive half-life of Uranium-238 and Thorium-230. The half-life of uranium-238 is 4. 5 billion years, that is, in that many years ...

air quality index (AQI)

Chemistry; Atmospheric chemistry

An accounting or measurement of specified toxic levels of pollutants in the air. Based on the EPA air quality act, it gives the indicator (number) of different gas phase concentration levels to ...

catalytic converter

Chemistry; Atmospheric chemistry

An air pollution control device using the exhaust system of cars. The converter helps complete combustion of any fuel that was not burned in the engine and reduce the presence of other harmful ...

geothermal energy

Chemistry; Atmospheric chemistry

An alternative energy source that uses the earth's interior heat as the primary energy source for the generation of electricity. Alternative here refers to different from historical sources of ...

Environmental Protection Agency (U.S. EPA)

Chemistry; Atmospheric chemistry

An American federal agency formed in 1970 during the Nixon Administration in order to protect human health and the environment. The EPA today focuses on the atmosphere, fresh and ocean waters, and ...

inversion

Chemistry; Atmospheric chemistry

An anomaly in the normal positive atmospheric lapse rate (change of temperature with increasing altitude). This usually refers to a thermal inversion, in which temperature of the atmosphere ...