Profile: Markus Wehrer

Research Associate

Post-Doctoral
Department of Earth & Environmental Sciences
 

Field of Interests:

  • hydrophysics and hydrochemistry of saturated and unsaturated zone
  • electrical resistivity and induced polarization tomography for the characterization of flow and transport in the unsaturated zone
  • mobilization and transport of contaminants and colloids
  • design of experiments for the investigation of flow and reactive transport
  • modeling of flow and transport in saturated and unsaturated zone

For more information see my webpage.

  • Education

    06/2001-06/2006
    PhD Studies. Thesis: 'Optimized Column Experiments for the Identification of Contaminant Release and Transport Processes'

    10/1999-10/2000 Master of Sciences in 'Environmental and Ecological Sciences' at the University of Lancaster
    Thesis: 'Vadose zone modelling based on geophysical methods'

    10/1996-10/1999
    Studies in Geoecology at the TU Bergakademie Freiberg

  • Publications

    Wehrer, M., Rennert, T., Totsche K.U., 2013. Kinetic control of contaminant release from NAPLs - experimental evidence. Environmental Pollution, 179, 315-325.

    Wehrer, M., Mai, J. Attinger, S. Totsche K.U., 2013. Kinetic control of contaminant release from NAPLs - information potential of concentration time profiles. Environmental Pollution, 179,  301-314.

    Grunat, D.A., Slater L.D., Wehrer M., 2013. Complex electrical measurements on an undisturbed soil core: evidence for improved estimation of saturation degree from imaginary conductivity. Vadose Zone Journal, doi:10.2136/vzj2013.03.0059, in press.

    Schotanus D., Meeussen J.C.L., Lissner H., van der Ploeg M.J., Wehrer M., Totsche K.U., van der Zee S.E.A.T.M., 2013. Transport and degradation of propylene glycol in the vadose zone: model development and sensitivity analysis. Environmental Science and Pollution Research, early online publication: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s11356-013-2033-y

    Cassiani, G., Binley, A., Kemna, A., Wehrer, M., Flores Orozco, A., Deiana, R., Boaga, J., Rossi M., Dietrich P., Werban U., Zschornack, L., Godio A., Gandomi A.J., Deidda, G.P., 2013. Non-invasive characterization of the Trecate (Italy) crude-oil contaminated site: links between contamination and geophysical signals. Environmental Science and Pollution Research, submitted.

    Arato, A., Wehrer, M., Biró, B., Godio, A., 2013. Integration of geophysical, geochemical and microbiological data for a comprehensive small-scale characterization of an aged LNAPL-contaminated site. Environmental Science and Pollution Research, early online publication: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s11356-013-2171-2.

    Lissner, H., Wehrer, M., Jartun, M., Totsche, K.U., 2013. Degradation of deicing chemicals affects the natural redox system in airfield soils. Environmental Science and Pollution Research, early online publication: http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s11356-013-2096-9

    Wehrer, M., Lissner, H., Bloem, E., French, H., Totsche, K.U., 2013. Electrical resistivity tomography as monitoring tool for unsaturated zone transport: An example of preferential transport of deicing chemicals. Environmental Science and Pollution Research, DOI: 10.1007/s11356-013-2252-2, in press.

    Wehrer M., Jaesche P., Totsche K.U., 2012. Modeling the kinetics of microbial degradation of deicing chemicals in porous media under flow conditions. Environmental Pollution, 168, 96-106.

    Wehrer, M., Rennert, T., Mansfeldt, T., Totsche K.U., 2011. Contaminants at former manufactured gas plants: sources, properties and processes. Critical Reviews in Environmental Science and Technology, 41(21), 1883-1969.

    Wehrer, M., Rennert, T., Mansfeldt, T., Totsche, K.U. 2010. Contaminants at former manufactured gas plants: sources, properties and processes. Critical Reviews in Environmental Science and Technology, accepted.

    Wehrer, M., Totsche, K.U. 2009. Difference in PAH release processes from tar-oil contaminated soil materials with similar contamination history. Chemie der Erde-Geochemistry,  69 (2): 109-124.

    Wehrer, M., Totsche, K.U. 2008. Effective rates of heavy metal release from alkaline wastes – quantified by column outflow experiments and inverse simulations. Journal of Contaminant Hydrology, 101   (1-4 ): 53-66.

    Wehrer, M., Totsche, K.U. 2008. PAH release from tar-oil contaminated soil material in response to forced environmental gradients: Implications for contaminant transport. European Journal of Soil Science, 59  (1): 50-60.

    Wehrer, M. and Totsche, K.U. 2005. Determination of effective release rates of PAHs and dissolved organic carbon by means of column outflow experiments. European Journal of Soil Science, 56 (6): 803-813.

    Wehrer, M. and Totsche, K.U., 2003. Detection of non-equilibrium contaminant release in soil columns: Delineation of experimental conditions by numerical simulations. Journal of Plant Nutrition and Soil Science, 166, 475-483.