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Environmental chemistry

Browning the waters

Levels of dissolved organic carbon in British streams and lakes have risen over the past two decades. It might be a downstream effect of decreased acid rain — but isolating single factors is notoriously difficult.

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Figure 1: Passage of dissolved organic carbon (DOC) through the landscape.

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Roulet, N., Moore, T. Browning the waters. Nature 444, 283–284 (2006). https://doi.org/10.1038/444283a

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