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Why is the atmosphere is heated cheifly by radition from Earth's surface rather than by direct solar radiation?
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What heats earths atmosphere?
The sun heats the atmosphere. Solar radiation largely passes through the atmosphere and warms the surface of the earth. The earth then radiates heat up into the lower levels of the atmosphere where greenhouse gases warm. The warmed greenhouse gases then continue to radiate heat in all directions warming the atmosphere and again the earth's surface.
When Earths surface is heated it radiates some of the energy back into the atmosphere as?
When Earths surface is heated it radiates some of the energy back into the atmosphere as "Infrared Radiation."
What ultraviolet radiation is blocked from reaching the earth's surface by what substance found in the atmosphere?
ozone
What are three ways energy is transferred from earth's surface to the atmosphere?
Conduction, convection and radiation.
If Earths surface is heated does it radiate most of the energy back into the atmosphere as ultraviolet radiation?
No. It radiates most energy back as infarred radiation.
The earths surface transfers heat to the atmosphere primarily by?
the answer is radiation
What heats earths atmosphere?
The sun heats the atmosphere. Solar radiation largely passes through the atmosphere and warms the surface of the earth. The earth then radiates heat up into the lower levels of the atmosphere where greenhouse gases warm. The warmed greenhouse gases then continue to radiate heat in all directions warming the atmosphere and again the earth's surface.
When does the earth emit terrestrial radiation?
Terrestrial radiation refers to heat emitted from the earth's atmosphere and surface.
What form is radiation emitted from the earth's surface back into the atmosphere?
Heat rises from the surface of the earth in the form of infra-red radiation.
How much solar energy is reflected by the atmosphere and earth's surface?
About 6% of incoming solar radiation is reflected back into space from the atmosphere and 4% by the surface of the earth.Incoming solar radiation: 100%Reflected by the atmosphere: 6% : Absorbed by the atmosphere: 16%Continuing incoming solar radiation: 78%Reflected by clouds: 20% : Absorbed by clouds: 3%Continuing incoming solar radiation: 55%Reflected by the earth's surface: 4% : Absorbed by the earth's surface (lands and oceans): 51%
Solar radiation that is not reflected is absorbed by what?
Solar radiation that is not reflected is absorbed by clouds, the atmosphere and the surface of the earth.Incoming solar radiation: 100%Reflected by the atmosphere: 6% : Absorbed by the atmosphere: 16%Continuing incoming solar radiation: 78%Reflected by clouds: 20% : Absorbed by clouds: 3%Continuing incoming solar radiation: 55%Reflected by the earth's surface: 4% : Absorbed by the earth's surface (lands and oceans): 51%Source: (NASA)
When earths surface is heated it radiates most of the energy back into the atmosphere as ultraviolet radiation?
Not as ultraviolet; the radiation is emitted as infrared radiation.
How radiation from the sun penetrates the atmosphere by heating the air?
Solar radiation penetrates most of the atmosphere and is mostly absorbed by earth's surface. The surface then radiates energy of a different wavelength (in the thermal infrared part of the spectrum, which we perceive as heat) back to the atmosphere, heating the lower atmosphere.
What happens to most solar radiation when it reaches the surface of Earth what happens?
Most of the solar radiation is absorbed when it reaches the surface of the earth. Some of the solar radiation is also absorbed in the atmosphere.
What happens as solar radiation travels towards earth?
Some is absorbed by molecules in the atmosphere (such as ultraviolet absorption by ozone), some is absorbed on the surface, and some is reflected by clouds or the surface back into space. The surface will re-radiate much of the absorbed solar radiation as infrared (thermal) radiation, and some of this is then absorbed by atmospheric gases such as carbon dioxide and methane.
Why doesn't all radiation directed at earth reaches the surface?
It is absorbed by the atmosphere
When Earths surface is heated it radiates some of the energy back into the atmosphere as?
When Earths surface is heated it radiates some of the energy back into the atmosphere as "Infrared Radiation."
