Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The lowest region of the atmosphere between the earth's surface and the tropopause, characterized by decreasing temperature with increasing altitude.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The lower levels of the atmosphere extending from the earth's surface up to the tropopause. It is characterized by convective air movements and a large vertical temperature change.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From French troposphère.

Examples

  • Like why is warming in the troposphere in the Antartic signfigant, while less warming in the troposphere* elsewhere. is insignfigant.

    Grapevine: Mann to testify on 27th July « Climate Audit

  • Indeed, the name troposphere means region of mixing.

    AP Environmental Science Chapter 4- The Atmosphere

  • Carried up by the rising warm air in the region around the damaged Fukushima plant, particles of radioactive isotopes such as iodine-131 and xenon-133 are being carried at about 50 miles per hour by winds blowing from west to east in a band of the atmosphere called the troposphere, about 6,500 feet to about 30,000 feet or more above the ground.

    Radiation Detected in U.S.

  • At the upper edge of the troposphere is a narrow transition zone known as the tropopause.

    Atmosphere layers

  • The troposphere is the lowest layer of the atmosphere.

    Study Says Planet Warmed in 2000s

  • One could rather say it is the lower portion of the atmosphere, the troposphere, which is our environment, it is ten to twenty kilometers above sea level, where the winds turn – this is very much our environment.

    Archive 2009-04-10

  • One could rather say it is the lower portion of the atmosphere, the troposphere, which is our environment, it is ten to twenty kilometers above sea level, where the winds turn – this is very much our environment.

    An Exploration into an Integral Approach to Knowledge

  • The troposphere is the atmospheric layer closest to the earth's surface.

    AP Environmental Science Chapter 4- The Atmosphere

  • Yes, but you know, he's going to be back at it hopefully in August but just as a meteorologist, it's just fascinating to me to think about flying through the stratosphere, let alone the troposphere, which is where I was.

    CNN Transcript May 29, 2008

  • Above the troposphere is the Stratosphere and important region in which effects such as Ozone Hole and Global Warming originate.

    Ozone Hole doesn���t effect Global Warming

Comments

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  • The lowest layer of earth's atmosphere.

    August 1, 2007