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troposphere |
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troposphere: see atmosphere atmosphere [Gr.,=sphere of air], the mixture of gases surrounding a celestial body with sufficient gravity to maintain it. Although some details about the atmospheres of other planets and satellites are known, only the earth's atmosphere has been well studied, the ..... Click the link for more information. . troposphereLowest region of the atmosphere, bounded by the Earth below and the stratosphere above, with the upper boundary being about 6–8 mi (10–13 km) above the Earth's surface. The troposphere is marked by decreasing temperature with height, which distinguishes it from the stratosphere. Most clouds and weather systems occur in the troposphere. troposphere the lowest atmospheric layer, about 18 kilometres (11 miles) thick at the equator to about 6 km (4 miles) at the Poles, in which air temperature decreases normally with height at about 6.5°C per km troposphere [′trōp·ə‚sfir] (meteorology) That portion of the atmosphere from the earth's surface to the tropopause, that is, the lowest 10 to 20 kilometers of the atmosphere. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The smoke from small wildfires typically rises only a few kilometers and stays within the troposphere, the layer of the atmosphere where most weather occurs. Temperature in the troposphere is virtually unchanged since 1979 once El Ninos and volcanic eruptions are taken into account. Uniquely, these soundings sampled the troposphere during a period (1700-2100 UTC) of weak vertical wind shear, peak boundary layer mixing, and thermodynamic instability prior to the release of deep convection. |
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