Eddy mixing and composition variations of earth's upper atmosphere |
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Authors: | LA Antonova VV Katjushina |
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Institution: | Institute of Applied Geophysics, USSR State Committee for Hydrometeorology, Moscow, USSR |
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Abstract: | Solar radiation intensity variations lead to eddy diffusion coefficient variations and are closely connected with variations of both neutral atmosphere constituents in which only eddy mixing (helium) plays a determining part and those in which photochemical processes (atomic oxygen) are also significant. A possible mechanism of the semiannual density variation occurrence in the Earth's upper atmosphere is obtained. |
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