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

Chipman, M. L.; Hudspith, V.; Higuera, P. E.; Duffy, P. A.; Kelly, R.; Oswald, W. W.; Hu, F. S.

doi:10.5194/bg-12-4017-2015

Articles | Volume 12, issue 13

https://doi.org/10.5194/bg-12-4017-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-4017-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 13

Research article

|

03 Jul 2015

Research article |

| 03 Jul 2015

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

M. L. Chipman, V. Hudspith, P. E. Higuera, P. A. Duffy, R. Kelly, W. W. Oswald, and F. S. Hu

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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.