Application progress of ERT technology in environmental pollution investigation
Electrical resistivity tomography(ERT)has been widely used in environmental pollution investigation due to its simple arrangement of electrodes,no disturbance to the detected objects,small size,and portable equipment.The principle and development of ERT technology were introduced in this study including the progress of ERT application in environmental pollution investigation in terms of contaminant transportation,evaluation of contaminated sites,and sanitary landfill sites.Finally,the future development of ERT was discussed.It is suggested that the explanation technique of ERT inversion images should be given more academic attention.Hence,the detection resolution should be increased to realize four-dimensional monitoring of contaminated sites.
electrical resistivity tomographycontaminated site monitoringinversion algorithmelectrode arrangement mode
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