Trace gases: Gases found in the atmosphere in very small amounts.
Transpiration: The process by which plants release water vapor into the air.
The most important trace gases contributing to the greenhouse effect are water vapor, carbon dioxide, ozone, methane, ammonia, nitric acid, nitrous oxide, ethylene, sulfur dioxide, nitric oxide, dichlorofluoromethane or Freon 12, ...
air - Mixture of gases forming the earth's atmosphere, consisting of nitrogen (~78 percent), oxygen (~21 percent), water vapor, and other trace gases such as carbon dioxide, helium, argon, ozone, or various pollutants.
In the 20th century atmospheric science moved on from studying the composition of air to a consideration of how the concentrations of trace gases in the atmosphere have changed over time and the chemical processes which create and destroy compounds ...
Greenhouse Effect: A popular term used to describe the effects of gases such as water vapour, carbon dioxide and other trace gases (collectively known as the greenhouse gases) in keeping the Earth's temperature warmer than it would be otherwise.
AIR - A mixture of gases that makes up most of the atmosphere around the earth. It is roughly 78% nitrogen, 21% oxygen, and 1% argon and other trace gases.
ALOFT - Above the ground in the atmosphere.
Terrestrial infrared radiation is absorbed and radiated primarily by water vapor and, to a lesser extent, by carbon dioxide and other trace gases, thereby slowing the loss of heat to space from the Earth-atmosphere system. ...
section of ice removed from a glacier or an ice sheet in order to study climate patterns of the past. By performing chemical analyses on the air trapped in the ice, scientists can estimate the percentage of carbon dioxide and other trace gases in the ...
 See also: Meteor, Environment, Horizon, Trace, Surface
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