Articles | Volume 12, issue 13
Biogeosciences, 12, 4017–4027, 2015
https://doi.org/10.5194/bg-12-4017-2015
Biogeosciences, 12, 4017–4027, 2015
https://doi.org/10.5194/bg-12-4017-2015
Research article
03 Jul 2015
Research article | 03 Jul 2015

Spatiotemporal patterns of tundra fires: late-Quaternary charcoal records from Alaska

M. L. Chipman et al.

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Short summary
Tundra fires may have increased as a result of anthropogenic climate change. To evaluate this hypothesis in the context of natural variability, we reconstructed fire history of the late Quaternary in the Alaskan tundra. Fire-return intervals are spatially variable, ranging from 1648 to 6045 years at our sites. The rarity of historical fires implies that increased fire frequency may greatly alter the structure and function of tundra ecosystems.
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