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

crystallization

Chemistry; Atmospheric chemistry

Physical or chemical process or action which results in the formation of regularly-shaped, -sized, and -patterned solid forms known as crystals.

plankton

Chemistry; Atmospheric chemistry

Plankton are forms of marine, organic life that gather vital energy for life through photosynthesis. Since they are very low on the food chain, they are vital to all marine life. They are also ...

PM 2. 5 Aerosol particles that are smaller than or equal to 2. 5 micrometers or have an aerodynamic diameter of 2. 5 micrometers. In the Clean Air Act Revision of 1997 modified particulate standard ...

autumnal equinox

Chemistry; Atmospheric chemistry

Point at which on the celestial sphere that the equator and the Ecliptic intersect. Generally the autumnal equinox occurs on or about September 23 in the northern hemisphere; this also signifies ...

point source

Chemistry; Atmospheric chemistry

Pollutants which are put into the atmosphere by stationary objects, such as refineries, power plants, mills, and the like. In Texas any source that emits more than one ton in a calendar year is ...

urban air pollution

Chemistry; Atmospheric chemistry

Pollution that occurs in cities from the burning of fossil fuels and the emissions of hydrocarbons. Urban air pollution can be in the form of ozone, smog, acid rain, carbon monoxide, particulate ...