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Relative concentration of methane in the atmosphere Source: Warneck, 1988 34

Relative concentration of methane in the atmosphere Source: Warneck, 1988 34

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Context 1
... methane is therefore present at a constant concentration of approximately 1.7 ppm throughout the troposphere. Because atmosphere decreases in density with increasing altitude, over 75% of the atmosphere, and therefore by far the majority of methane, is contained within the troposphere ( Figure 6). Oxidation of methane in the troposphere is the (Table 4). ...

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