Electrical imaging over simple sediment structures

Electrical imaging or tomography is a survey technique employed to build up both a laterally and vertically varying picture of the electrical properties of the subsurface. The image can therefore be related to lithology and fluid variations of the underlying sediments. The technique is now widely used in geological and resource studies, archaeological surveys and in various types of hydrogeological investigations. Electrical imaging appears to be a versatile technique and has been used here to try to determine and identify simple structures and trends within shallow Quaternary sediments.