Troposphere
The lowest region of the 's atmosphere from the ground to roughly 10 km altitude. It is in this region that almost all weather occurs.
Definition: troposphere: The layer of the atmosphere from the surface to where the temperature stops decreasing with height.
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troposphere The portion of Earth's atmosphere from the surface to about 15 km.
TROPOSPHERE - Lowermost region of a planetary atmosphere where convection keeps the gas mixed and maintains a steady decrease of temperature with height. Most clouds are in the troposphere.
Troposphere
Lowest level of Earth's atmosphere, from zero altitude to about 15 km above the surface. This is the region where most weather occurs. Its temperature decreases from about 290 K to 240 K.
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Troposphere. The lowest layer of the Earth's atmosphere, lying at an average height of up to 11km (6.5 miles). Above the troposphere lies the stratosphere, above that the ionosphere, above that the exosphere.
Troposphere - The lowest layer of the atmosphere of a planet, within which convection produces weather ...
The Troposphere
The troposphere is where all weather takes place; it is the region of rising and falling packets of air. The air pressure at the top of the troposphere is only 10% of that at sea level (0.1 atmospheres).
Troposphere: From the Greek word ""ρέπω" meaning to turn or mix. The troposphere is the lowest layer of the atmosphere; it begins at the surface and extends to between 7 km (23,000 ft) at the poles and 17 km (60,000 ft) at the equator, ...
Troposphere
The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 75% of the atmosphere's mass and almost all of its water vapor and particulate....
(where temperature decreases with height) and the stratosphere ...
TROPOSPHERE
The troposphere is the lowest region in the Earth's (or any planet's) atmosphere. On the Earth, it goes from ground (or water) level up to about 11 miles (17 kilometers) high. The weather and clouds occur in the troposphere.
In the troposphere of the Earth, there are three groups of cells: One pair between the Equator and about 30 degrees in each hemisphere, one pair between about 30 degrees and 60 degrees, and one pair between 60 degrees and the poles.
A small troposphere extends from Titan's surface to an altitude of 42 kilometres, where a minimum temperature of 71 K is reached. Apparently temperatures are always above the condensation point of nitrogen, so that nitrogen clouds are not present.
Above the troposphere, the atmosphere is usually divided into the stratosphere, mesosphere, and thermosphere. Each of these layers has a different lapse rate, defining the rate of change in temperature with height.
Above the restless troposphere is the subdued stratosphere. In the stratosphere, unlike the troposphere, the air gets hotter as you go higher. On the Earth, this is because the ozone layer absorbs solar ultraviolet radiation.
atmospheric duct An almost horizontal layer in the troposphere, extending from the level of a local minimum of the modified refractive index as a function of height, down to the level where the minimum value is again encountered, ...
tropopause (NASA Thesaurus / NASA SP-7, 1965) The boundary between the troposphere and stratosphere, usually characterized by an abrupt change of lapse rate.
The stratosphere extends from the troposphere's 7-17 km (4.3-11 mi; 23,000-56,000 ft) range to about 51 km (32 mi; 170,000 ft). Temperature increases with height.
The atmospheric layers are - in order of distance from sea level - the troposphere (10 km), stratosphere (45 km), mesosphere (80 km), thermosphere (200 km), and exosphere (400 km).
The layer closest to the surface is called the Troposphere. It is about 3.2 km (two miles) thick, and can contain low lying clouds. The next layer is the stratosphere.
This jet may not be marked by pronounced surface temperature contrasts but rather by relatively strong temperature gradients in the mid-troposphere.
As the top graph show, temperatures are cooler in the troposphere (the layer just above the cloud deck). In the upper stratosphere (the layer above the troposphere), temperatures increase toward the south pole.
The average residence time of water molecules in the troposphere is about 1 week.
The stratosphere is the atmospheric layer between the troposphere and the mesosphere. The stratosphere is characterized by a slight temperature increase with altitude and the absence of clouds.
BIOSPHERE - Volume including the lower part of the troposphere (as high as living organisms can fly or be lofted) and the surface of the earth (including the oceans and uppermost crust), encompassing all the living matter of the earth.
a high-speed, wandering wind current in the upper troposphere that blows from west to east and affects weather
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Upper boundary of the troposphere (about 15 km), where the temperature gradient goes to zero. [H76]
Troposphere ...
stratosphere -- An upper portion of a planetary atmosphere, above the troposphere and below the ionosphere, characterized by relatively uniform temperature and horizontal winds.
However, while the onboard remote sensors measure conditions in the upper atmosphere fairly easily, they encounter problems when they try to look downward through the lower atmosphere, or troposphere.
If such life existed and was consuming hydrogen the same way we do oxygen and plants carbon dioxide, they suggested that it would then, "have a measurable effect on the hydrogen mixing ratio in the troposphere [lower atmosphere], ...
One year About 93 million miles (149,600,000 km) Almost circular Denser than water Slowing down Iron and nickel Nitrogen Troposphere The tilt of the Earth's axis About 4 times larger ...
The part of the atmosphere below that-- the region where weather takes place, more active and more humid--is called the troposphere, and the boundary between it and the stratosphere is the tropopause ...
a kilometer or two of the earth's surface, and high altitude turbulence around the tropopause, which occurs in relatively rarefied, high velocity (up to 500 kilometers per hour) air currents at the temperature inversion between the troposphere and ...
 See also: Atmosphere, Earth, Planet, Solar, Temperature
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