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Published: Friday 26 July, 2013

cheap handbags store cheap handbags store ´╗┐definition of Green house effect by the Free Online Dictionary



n.1. The phenomenon whereby the earths atmosphere traps solar radiation, caused by the presence in the atmosphere of gases such as carbon dioxide, water vapor, and methane that allow incoming sunlight to pass through but absorb heat radiated back from the earths surface.



2. A similar retention of solar radiation, as by another planet or in a solar panel.



Energy radiated by the sun converts to heat when it reaches earth. Some heat is reflected back through the atmosphere, while some is absorbed by atmospheric gases and radiated back to earth.



n1. Physics / General Physics an effect occurring in greenhouses, etc., in which radiant heat from the sun passes through the glass warming the contents, the radiant heat from inside being trapped by the glass



2. Earth Sciences / Physical Geography the application of this effect cheap handbags store to a planets atmosphere; carbon dioxide and some other gases in the planets atmosphere can absorb the infrared radiation emitted by the planets surface as a result of exposure to solar radiation, thus increasing the mean temperature of the planetn. heating of the atmosphere resulting from the absorption by certain gases of solar energy that has been captured and reradiated by the earths surface.



grnhous The retention of part of the Suns energy in the Earths atmosphere in the form of heat as a result of the presence of greenhouse gases. Solar energy, mostly in the form of shortwavelength visible radiation, penetrates the atmosphere and is absorbed by the Earths surface. The heated surface then radiates some of that energy into the atmosphere in the form of longerwavelength infrared radia cheap handbags store tion. Although some of this radiation escapes into space, much of it is absorbed by greenhouse gases in the lower atmosphere, which in turn reradiate a portion back to the Earths surface. The atmosphere thus acts in a manner roughly analagous to the glass in a greenhouse, which allows sunlight to penetrate and warm the plants and soil but which traps most of the resulting heat energy inside. warming that results when solar radiation is trapped by the atmosphere; caused by atmospheric gases that allow sunshine to pass through but absorb heat that is radiated back from the warmed surface of the earthgreenhouse warming cheap handbags store

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