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A greenhouse gas that humans are emitting into the atmosphere through agriculture and livestock production. Methane. Least effective absorber of long wave radiation between the entire range of about 5 to 12 micrometers. Carbon dioxide.
Which gases are good absorbers of longwave radiation?
Greenhouse gases in the atmosphere (such as water vapor and carbon dioxide) absorb most of the Earth's emitted longwave infrared radiation, which heats the lower atmosphere.
Which more strongly absorbs longwave radiation?
atmospheric gases It turns out that atmospheric gases absorb longwave radiation very strongly.
Is methane a good absorber of longwave radiation?
Water vapor, carbon dioxide, methane, and other trace gases in Earth's atmosphere absorb the longer wavelengths of outgoing infrared radiation from Earth's surface. These gases then emit the infrared radiation in all directions, both outward toward space and downward toward Earth.
Does CO2 absorb longwave or shortwave radiation?
Each greenhouse gas and water vapor absorbs radiation from different areas of the electromagnetic spectrum. Carbon dioxide and water absorb long wave radiation from 12 to 19 microns.
What is longwave radiation in geography?
In the Earth's climate system, long-wave radiation involves processes of absorption, scattering, and emissions from atmospheric gases, aerosols, clouds and the surface. Over 99% of outgoing long-wave radiation has wavelengths between 4 μm and 100 μm, in the thermal infrared part of the electromagnetic spectrum.
What is longwave and shortwave radiation?
Everything that has a temperature gives off electromagnetic radiation (light). Shortwave radiation contains higher amounts of energy and longwave radiation contains a smaller amount of energy. Therefore, the sun gives off shortwave radiation, as it is extremely hot and has a lot of energy to give.
What is longwave radiation used for?
5.01. 3.3 Outgoing Longwave Radiation. OLR is not only the important component of Earth's energy budget, but it is also widely used as a tool in numerous applications such as climate sensitivity and diagnosis, weather and climate predictions, and studies on monsoon variability and equatorial waves.
What is an example of longwave radiation?
Once in the Earth's atmosphere, clouds and the surface absorb the solar energy. The ground heats up and re-emits energy as longwave radiation in the form of infrared rays. Earth emits longwave radiation because Earth is cooler than the sun and has less energy available to give off.
What is considered longwave radiation?
emitted from Earth is called longwave radiation; it falls within the infrared portion of the spectrum and has typical wavelengths of 4 to 30 micrometres (0.0002 to 0.001 inch). Wavelengths of radiation emitted by a body depend on the temperature of the body, as specified by Planck's radiation law.
