Staff

Bernhard Wehrli

Prof. Dr. Bernhard Wehrli

Department Surface Waters Research & Management

About Me

Research interests

Human activities are changing the cycles of carbon and nutrients in freshwater systems and we have to know what the consequences are. Which processes govern the recycling of nutrients, the elimination of pollutants, and the emission of trace gases in natural waters? How are dams affecting river ecosystems? Our team combines chemical sensors, stable isotope techniques, molecular ecology and numerical modeling to find quantitative answers.

Collaboration across disciplines is required to establish the scientific facts needed for a more sustainable management of aquatic resources.

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Projects

We investigate the process of anaerobic methane oxidation in the water column of different lake systems.
Many Rivers carry high loads of nitrogen due to leaching of agricultural fertilizers. Wetlands can help mitigating nitrogen eutrophication of coastal waters.

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Curriculum Vitae

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Selected publications

Oswald, K.; Graf, J. S.; Littmann, S.; Tienken, D.; Brand, A.; Wehrli, B.; Albertsen, M.; Daims, H.; Wagner, M.; Kuypers, M. M. M.; Schubert, C. J.; Milucka, J. (2017) Crenothrix are major methane consumers in stratified lakes, ISME Journal, 11, 2124-2140, doi:10.1038/ismej.2017.77, Institutional Repository
Randlett, M.-E.; Bechtel, A.; van der Meer, M. T. J.; Peterse, F.; Litt, T.; Pickarski, N.; Kwiecien, O.; Stockhecke, M.; Wehrli, B.; Schubert, C. J. (2017) Biomarkers in Lake Van sediments reveal dry conditions in Eastern Anatolia during 110.000-10.000 years B.P, Geochemistry, Geophysics, Geosystems, 18(2), 571-583, doi:10.1002/2016GC006621, Institutional Repository
Zuijdgeest, A.; Baumgartner, S.; Wehrli, B. (2016) Hysteresis effects in organic matter turnover in a tropical floodplain during a flood cycle, Biogeochemistry, 131(1), 49-63, doi:10.1007/s10533-016-0263-z, Institutional Repository
Athavale, R.; Kokorite, I.; Dinkel, C.; Bakker, E.; Wehrli, B.; Crespo, G. A.; Brand, A. (2015) In situ ammonium profiling using solid-contact ion-selective electrodes in eutrophic lakes, Analytical Chemistry, 87(24), 11990-11997, doi:10.1021/acs.analchem.5b02424, Institutional Repository

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Address

E-Mail: bernhard.wehrli@eawag.ch
Phone: +41 58 765 2117
Fax: +41 58 765 2168
Address: Eawag
Seestrasse 79
6047 Kastanienbaum
Office: SL B20

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Research Focus

  • Biogeochemical processes
  • Aquatic sensing systems
  • Human impacts on water quality
  • Effective water protection

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