Biogeosciences
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Articles | Volume 14, issue 8
Articles | Volume 14, issue 8
https://doi.org/10.5194/bg-14-2019-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-2019-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 14, issue 8
Research article
 | 
18 Apr 2017
Research article |  | 18 Apr 2017

Timescale dependence of environmental controls on methane efflux from Poyang Hu, China

Lixiang Liu, Ming Xu, Renqiang Li, and Rui Shao

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Short summary
We examined diel and seasonal variations of CH4 efflux and environmental factors. Although CH4 efflux showed no apparent diel pattern, summer CH4 efflux was significantly higher than that of the other three seasons. CH4 effluxes were highly timescale dependent on wind, substrate availability, and sediment temperature. The timescale dependence of environmental controls on CH4 effluxes has important implications in modeling CH4 emissions in lakes.
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