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- Carbon_dioxide_in_Earth's_atmosphere abstract "Carbon dioxide (CO2) is an important long-lived trace gas in Earth's atmosphere currently comprising about 0.04% (400 parts per million) of the atmosphere on a molar basis. Despite its relatively small overall concentration, CO2 is a potent greenhouse gas and plays a vital role in regulating Earth's surface temperature through radiative forcing and the greenhouse effect: CO2 absorbs and emits infrared radiation at wavelengths of 4.26 µm (asymmetric stretching vibrational mode) and 14.99 µm (bending vibrational mode). Carbon dioxide is essential to life on Earth and is an integral part of the carbon cycle, a biogeochemical cycle in which carbon is exchanged between the Earth's oceans, soil, rocks and biosphere. Biologically, plants and other photoautotrophs extract carbon from the atmosphere in the form of carbon dioxide by the process of photosynthesis and use it as an energy source and for the construction of their body parts. Therefore, Earth wouldn't have a present-day biosphere without atmospheric CO2. Carbon dioxide is well mixed in the Earth's atmosphere and reconstructions show that concentrations of CO2 in the atmosphere varied from as high as 7,000 parts per million during the Cambrian period about 500 million years ago in ancient-Earth biospheres to as low as 180 parts per million during the Quaternary glaciation of the last two million years. The recent phenomenon of global warming has been attributed primarily to increasing atmospheric CO2 concentrations in Earth's atmosphere. The global annual mean concentration of CO2 in the atmosphere has increased markedly since the Industrial Revolution, from 280 ppm to 395 ppm as of 2013, with the increase largely attributed to anthropogenic sources, particularly the burning of fossil fuels. The daily average at Mauna Loa first exceeded 400 ppm on 10 May 2013. It is currently rising at a rate of approximately 2 ppm/year and accelerating. An estimated 30–40% of the CO2 released by humans into the atmosphere dissolves into oceans, rivers and lakes. which contributes to ocean acidification. The present concentration of CO2 in Earth's atmosphere is the highest in the past 800,000 years and likely the highest in the past 20 million years. Although CO2 concentrations have varied significantly over the course of Earth's 4.7 billion year geologic history and ancient-earth biospheres, the scientific consensus is that the present-day biosphere can be damaged if CO2 concentrations surpass 550 parts per million.".
- Carbon_dioxide_in_Earth's_atmosphere thumbnail AIRS_Carbon_Dioxide_Vertical.png?width=300.
- Carbon_dioxide_in_Earth's_atmosphere wikiPageID "11251601".
- Carbon_dioxide_in_Earth's_atmosphere wikiPageRevisionID "606629649".
- Carbon_dioxide_in_Earth's_atmosphere abovestyle "background:#cfc;".
- Carbon_dioxide_in_Earth's_atmosphere caption "2011".
- Carbon_dioxide_in_Earth's_atmosphere hasPhotoCollection Carbon_dioxide_in_Earth's_atmosphere.
- Carbon_dioxide_in_Earth's_atmosphere headerstyle "background:#ccf;".
- Carbon_dioxide_in_Earth's_atmosphere labelstyle "background:#ddf;".
- Carbon_dioxide_in_Earth's_atmosphere name "Carbon dioxide in Earth's atmosphere".
- Carbon_dioxide_in_Earth's_atmosphere title "Carbon dioxide in Earth's Troposphere".
- Carbon_dioxide_in_Earth's_atmosphere subject Category:Atmosphere_of_Earth.
- Carbon_dioxide_in_Earth's_atmosphere subject Category:Carbon_dioxide.
- Carbon_dioxide_in_Earth's_atmosphere subject Category:Greenhouse_gases.
- Carbon_dioxide_in_Earth's_atmosphere type Fluid114939445.
- Carbon_dioxide_in_Earth's_atmosphere type Gas114877585.
- Carbon_dioxide_in_Earth's_atmosphere type GreenhouseGas114877234.
- Carbon_dioxide_in_Earth's_atmosphere type GreenhouseGases.
- Carbon_dioxide_in_Earth's_atmosphere type Matter100020827.
- Carbon_dioxide_in_Earth's_atmosphere type PhysicalEntity100001930.
- Carbon_dioxide_in_Earth's_atmosphere comment "Carbon dioxide (CO2) is an important long-lived trace gas in Earth's atmosphere currently comprising about 0.04% (400 parts per million) of the atmosphere on a molar basis.".
- Carbon_dioxide_in_Earth's_atmosphere label "Carbon dioxide in Earth's atmosphere".
- Carbon_dioxide_in_Earth's_atmosphere label "Kohlenstoffdioxid in der Erdatmosphäre".
- Carbon_dioxide_in_Earth's_atmosphere label "Углекислый газ в атмосфере Земли".
- Carbon_dioxide_in_Earth's_atmosphere sameAs Kohlenstoffdioxid_in_der_Erdatmosphäre.
- Carbon_dioxide_in_Earth's_atmosphere sameAs m.02r53bx.
- Carbon_dioxide_in_Earth's_atmosphere sameAs Q4468919.
- Carbon_dioxide_in_Earth's_atmosphere sameAs Q4468919.
- Carbon_dioxide_in_Earth's_atmosphere sameAs Carbon_dioxide_in_Earth's_atmosphere.
- Carbon_dioxide_in_Earth's_atmosphere wasDerivedFrom Carbon_dioxide_in_Earth's_atmosphere?oldid=606629649.
- Carbon_dioxide_in_Earth's_atmosphere depiction AIRS_Carbon_Dioxide_Vertical.png.
- Carbon_dioxide_in_Earth's_atmosphere isPrimaryTopicOf Carbon_dioxide_in_Earth's_atmosphere.