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  2. Carbon dioxide in Earth's atmosphere - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide_in_Earth's...

    In Earth's atmosphere, carbon dioxide is a trace gas that plays an integral part in the greenhouse effect, carbon cycle, photosynthesis and oceanic carbon cycle. It is one of three main greenhouse gases in the atmosphere of Earth. Water vapor is the primary greenhouse gas, as of 2010, contributing 50% of the greenhouse effect, followed by ...

  3. Carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Carbon_cycle

    The carbon cycle is that part of the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth. Other major biogeochemical cycles include the nitrogen cycle and the water cycle. Carbon is the main component of biological compounds as well as a major component of many rocks ...

  4. Atmospheric carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_carbon_cycle

    Atmospheric carbon cycle. Schematic representation of the overall perturbation of the global carbon cycle caused by anthropogenic activities, averaged from 2010 to 2019. [ 1 ] The atmospheric carbon cycle accounts for the exchange of gaseous carbon compounds, primarily carbon dioxide (CO 2), between Earth's atmosphere, the oceans, and the ...

  5. Airborne fraction - Wikipedia

    en.wikipedia.org/wiki/Airborne_fraction

    The global carbon dioxide partitioning (atmospheric CO 2, land sink, and ocean sink) averaged over the historical period (1900–2020) The airborne fraction is a scaling factor defined as the ratio of the annual increase in atmospheric CO. 2 to the CO. 2 emissions from human sources. [1] It represents the proportion of human emitted CO 2 that ...

  6. Climate sensitivity - Wikipedia

    en.wikipedia.org/wiki/Climate_sensitivity

    This warming gets amplified by the net effect of climate feedbacks. Climate sensitivity is a key measure in climate science and describes how much Earth's surface will warm for a doubling in the atmospheric carbon dioxide (CO 2) concentration. [ 1 ][ 2 ] Its formal definition is: "The change in the surface temperature in response to a change in ...

  7. Carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide

    The symmetry of a carbon dioxide molecule is linear and centrosymmetric at its equilibrium geometry. The length of the carbon–oxygen bond in carbon dioxide is 116.3 pm, noticeably shorter than the roughly 140 pm length of a typical single C–O bond, and shorter than most other C–O multiply bonded functional groups such as carbonyls. [19]

  8. Infrared window - Wikipedia

    en.wikipedia.org/wiki/Infrared_window

    The infrared atmospheric window is an atmospheric window in the infrared spectrum where there is relatively little absorption of terrestrial thermal radiation by atmospheric gases. [ 1 ] The window plays an important role in the atmospheric greenhouse effect by maintaining the balance between incoming solar radiation and outgoing IR to space.

  9. Greenhouse effect - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_effect

    A runaway greenhouse effect involving carbon dioxide and water vapor has for many years been hypothesized to have occurred on Venus; [91] this idea is still largely accepted. [92] The planet Venus experienced a runaway greenhouse effect, resulting in an atmosphere which is 96% carbon dioxide , and a surface atmospheric pressure roughly the same ...

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