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Troposphere - Wikipedia
The troposphere is the lowest layer of the atmosphere of Earth. Pronounced / ˈtrɒpəsfɪərˌ - poʊ -/, [1] the name comes from Ancient Greek τρόπος (trópos) 'turning, change' and - sphere. It contains 80% of the total mass of the planetary atmosphere and 99% of the total mass of water vapor and aerosols, and is where most weather phenomena occur. [2]
Layers of the Atmosphere - National Oceanic and Atmospheric Administration
Known as the lower atmosphere, almost all weather occurs in this region. The troposphere begins at the Earth's surface, but the height of the troposphere varies. It is 11-12 miles (18-20 km) high at the equator, 5½ miles (9 km) at 50°N and 50°S, and just under four miles (6 km) high at the poles.
The Troposphere - Center for Science Education
The troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Most types of clouds are found in the troposphere, and almost all weather occurs within this layer.
Atmosphere - Weather, Air Pollution, Climate | Britannica
Atmosphere - Weather, Air Pollution, Climate: The lowest portion of the atmosphere is the troposphere, a layer where temperature generally decreases with height.
Troposphere | NASA Space Place – NASA Science for Kids
What is the troposphere? The troposphere is the innermost layer of Earth’s atmosphere. Closest to the surface of Earth, we have the troposphere. “Tropos” means change. This layer gets its name from the weather that is constantly changing and mixing up the gases in this part of our atmosphere.
TROPOSPHERE Definition & Meaning - Merriam-Webster
The meaning of TROPOSPHERE is the lowest densest part of the earth's atmosphere in which most weather changes occur and temperature generally decreases rapidly with altitude and which extends from the earth's surface to the bottom of the stratosphere at about 7 miles (11 kilometers) high.
Troposphere - What It Is, Characteristics, Importance, and Climate ...
The troposphere is the lowest layer of Earth's atmosphere and is also the most important layer of the atmosphere for life on Earth. It contains the air we breathe and the water vapor that forms clouds and precipitation.
Troposphere and tropopause - MeteoSwiss
The lowest layer of the atmosphere is the troposphere, where weather phenomena occur. It is separated from the stratosphere above by the tropopause.
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