What Is GreenHouse Effect?

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Definitions of greenhouse effect

•The insulating effect of atmospheric greenhouse gases (eg, water vapor, carbon dioxide, methane, etc.) that keeps the Earth’s temperature about 60В°F warmer than it would be otherwise.

•The effect produced as greenhouse gases allow incoming solar radiation to pass through the Earth’s atmosphere, but prevent most of the outgoing infrared radiation from the surface and lower atmosphere from escaping into outer space.

 

•a natural process in which heat from the sun is trapped by the Earth’s atmosphere near the Earth’s surface.

•The trapping and build-up of heat in the lower atmosphere near a planet’s surface. Some of the heat flowing back towards space from the Earth’s surface is absorbed by water vapour, carbon dioxide, methane and other gases in the atmosphere.

 

•The process whereby short-wave radiation passes readily through the earth’s atmosphere to surface areas, whereas the longer-wave outgoing radiation is absorbed and reradiated by water vapor, droplets and carbon dioxide, thus retaining heat in the atmosphere.

•The warming of the atmosphere by the trapping of longwave radiation being radiated to space. The gases most responsible for this effect are water vapor and carbon dioxide.

 

•A misnomer for a natural phenomenon that occurs when so-called ‘greenhouse gases’ trap radiated heat in the atmosphere. The greenhouse effect is actually a minor portion of a complex and dynamic process of heating and cooling that occurs in the earth’s atmosphere.

 

•The trapping of the sun’s radiant energy, so that it cannot be reradiated. In cars and buildings the radiant energy is trapped by glass: in the earth’s atmosphere the radiant energy is trapped by gasses such as chlorofluorocarbons (CFCs) and carbon dioxide.

•The increasing mean global surface temperature of the earth caused by gases in the atmosphere (including carbon dioxide, methane, nitrous oxide, ozone, and chlorofluorocarbon). The greenhouse effect allows solar radiation to penetrate but absorbs the infrared radiation returning to space.