Modelling software developed shows that a new Capacitive Array Resistivity with Inductive Source (CARIS) method has potential for detecting both conductive and resistive buried objects. Detecting buried resistive objects has possible application in UXO, archaeology, civil or engineering applications, void detection, pipe delineation, or fracture detection and near surface geology. A prototype CARIS instrument has been designed and built. The prototype CARIS instrument has been tested with highly repetitive success under laboratory conditions, showing good comparison with expected results from modelling. The CARIS system has also been tested in the field. Initial results from field testing show high repeatability but also high lateral variability. This appears to be due to sensitivity to near surface moisture and consolidation contrasts.


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