Articles | Volume 13, issue 11
https://doi.org/10.5194/bg-13-3331-2016
https://doi.org/10.5194/bg-13-3331-2016
Research article
 | 
07 Jun 2016
Research article |  | 07 Jun 2016

Organic carbon burial efficiency in a subtropical hydroelectric reservoir

Raquel Mendonça, Sarian Kosten, Sebastian Sobek, Simone Jaqueline Cardoso, Marcos Paulo Figueiredo-Barros, Carlos Henrique Duque Estrada, and Fábio Roland

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Short summary
Hydroelectric reservoirs in the tropics emit greenhouse gases but also bury carbon in their sediments. We investigated the efficiency of organic carbon (OC) burial in a large tropical reservoir, using spatially resolved measurements of sediment accumulation, and found that more than half (~ 57 %) of the OC deposited onto the sediment is buried. This high efficiency in OC burial indicates that tropical reservoirs may bury OC more efficiently than natural lakes.
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