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An Evaluation of the Potential of the Geoelectrical Resistivity Method for Mapping Gas Migration in Landfills

På svenska

Author

  • Håkan Rosqvist
  • Virginie Leroux
  • Torleif Dahlin
  • Sara Johansson
  • Mats Svensson

Summary, in English

Methane is a powerful greenhouse gas and growing concern regarding global climate changes over the last years has pointed out the need to quantify and control the leaking of methane into the atmosphere. Landfill gas is regarded as one of the major sources for methane migration to the atmosphere. In this study we present research work with the objective to evaluate the use of geoelectrical resistivity to detect gas migration in landfills. Extensive field experiments were conducted at the Filborna landfill site in Helsingborg, Sweden, in August 2008. In general, the resistivity measurements showed results corresponding to results reported from previous investigations in waste. However, also large variations in resistivity were indicated. Relatively high variability and high mean resistivity in the surface-near layers clearly indicate influence on the resistivity in the upper zone of the landfill. The variability and high resistivity may partly be explained by appearance and migration of landfill gas.

Publishing year

2010

Language

English

Document type

Conference paper

Topic

  • Geotechnical Engineering

Conference name

23rd EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems

Conference date

0001-01-02

Status

Published