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Atmospheric science

The self-cleansing ability of prehistoric air

Isotopic data from an ice core have been used to estimate atmospheric oxidant levels during past climate transitions — pointing to relatively unexplored climate feedbacks as drivers of atmospheric composition. See Letter p.133

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Figure 1: Factors influencing the self-cleansing ability of the troposphere.


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Correspondence to Michaela I. Hegglin.

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Hegglin, M. The self-cleansing ability of prehistoric air. Nature 546, 41–42 (2017).

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