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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Cited articles

Aitkenhead, J. A., Hope, D., and Billett, M. F.: The relationship between dissolved organic carbon in stream water and soil organic carbon pools at different spatial scales, Hydrol. Process., 13, 1289–1302, 1999.
Bauer, M. and Blodau, C.: Arsenic distribution in the dissolved, colloidal and particulate size fraction of experimental solutions rich in dissolved organic matter and ferric iron, Geochim. Cosmochim. Ac., 73, 529–542,, 2009.
Baumann, K.: Entwicklung der Moorvegetation im Nationalpark Harz, 1th ed., Schriftenreihe aus dem Nationalpark Harz, 4, 244 pp., 2009.
Beug, H.-J., Henrion, I., and Schmüser, A.: Landschaftsgeschichte im Hochharz, Die Entwicklung der Wälder und Mooreseit dem Ende der letzten Eiszeit, Goslar, 460 pp., 1999.
Biester, H., Martinez-Cortizas, A., Birkenstock, S., and Kilian, R.: Effect of Peat Decomposition and Mass Loss on Historic Mercury Records in Peat Bogs from Patagonia, Environ. Sci. Technol., 37, 32–39,, 2003.
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.
Final-revised paper