Biogeosciences
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Articles | Volume 12, issue 10
Articles | Volume 12, issue 10
https://doi.org/10.5194/bg-12-2975-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-2975-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 10
Research article
 | 
21 May 2015
Research article |  | 21 May 2015

Vegetation and elevation influence the timing and magnitude of soil CO2 efflux in a humid, topographically complex watershed

J. W. Atkins, H. E. Epstein, and D. L. Welsch

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Short summary
We wanted to understand how the coupling of water and carbon cycling is affected by landscape position and vegetation heterogeneity within a humid, topographically complex watershed in the Appalachian mountains of West Virginia. Over 3 years (2010-2012), we found that in low-rainfall years, shrubs had a strong effect on the magnitude of soil carbon fluxes but that in high-rainfall years, fluxes were constrained across the watershed. Highest fluxes occurred at below-average soil moisture.
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