Char dominates black carbon aerosol emission and its historic reduction in China.

Nat Commun · 2023 · PMC10575950 · PMID 37833278

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Nonetheless, the historical ratios of char concentration to soot in East China Sea sediment cores also show a similar trend to the annual emission ratio of char to soot, with an increasing trend since 1960, followed by a significant peak in the 1990s 40 (Fig.

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