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Natural Attenuation Processes in Landfill Leachate Plumes at Three Danish Sites
Author(s) -
Bjerg Poul L.,
Tuxen Nina,
Reitzel Lotte Ask,
Albrechtsen HansJørgen,
Kjeldsen Peter
Publication year - 2009
Publication title -
groundwater
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.84
H-Index - 94
eISSN - 1745-6584
pISSN - 0017-467X
DOI - 10.1111/j.1745-6584.2009.00613.x
Subject(s) - leachate , environmental science , natural (archaeology) , attenuation , environmental remediation , environmental engineering , contamination , geology , waste management , engineering , ecology , paleontology , physics , optics , biology
This article provides an overview of comprehensive core and fringe field studies at three Danish landfill sites. The goal of the research activities is to provide a holistic description of core and fringe attenuation processes for xenobiotic organic compounds in landfill leachate plumes. The approach used is cross‐disciplinary, encompassing integration of field‐scale observations at different scales, field injection experiments, laboratory experiments, and reactive solute transport modeling. This is illustrated in examples from the most recently investigated site—the Sjoelund Landfill. The research performed serves as good case studies to conceptualize natural attenuation processes in landfill leachate plumes and also supports the notion that monitored natural attenuation (MNA) may be a possible remediation strategy at landfills. However, landfill leachate plumes challenge traditional approaches and tools used in the application of MNA. In particular, the use of in situ indicators to document mass removal in landfill leachate plumes is emphasized. In this article, we advocate the application of conceptual and numerical models as tools for the integration of data and testing of hypotheses.