[1]Institute of Geology;
Mineralogy and Geophysics;
Ruhr University Bochum;
Bochum D-44801;
Germany;
[2]Department of Geophysics;
Steinmann Institute;
University of Bonn;
Bonn D-53115;
Germany;
[3]Kentucky Geological Survey;
University of Kentucky;
Lexington KY-40506;
USA;
[4]Agrosphere;
Institute for Bio- and Geosciences (IBG-3);
Forschungszentrum Ju¨lich GmbH;
Ju¨lich D-52425;
Germany;
[5]Department of Resources Engineering;
National Cheng Kung University;
Tainan TW-701;
China;
[6]Department of Hydrology and Water Resources;
The University of Arizona;
Tucson AZ-85721;
USA;
Electrical resistivity tomography; Inversion technique; Solute tracer plume; Synthetic experiment; Plume characteristics;