Biogeosciences
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Articles | Volume 12, issue 15
Articles | Volume 12, issue 15
https://doi.org/10.5194/bg-12-4651-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-4651-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 15
Research article
 | 
06 Aug 2015
Research article |  | 06 Aug 2015

Hydrologic controls on DOC, As and Pb export from a polluted peatland – the importance of heavy rain events, antecedent moisture conditions and hydrological connectivity

T. Broder and H. Biester

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Short summary
This study combines a 1-year monitoring of precipitation, ombrotrophic peatland water level and pore water concentration changes with bog discharge and DOC, iron, As and Pb stream concentrations. Exports of As and Pb are dependent on not only the amount of precipitation and discharge but also the frequency and depth of water table fluctuations by connection of additional DOC, As and Pb pools in the acrotelm during water table rise, which is most pronounced after drought.
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