Investigating the Interior of Tumuli: Problem Setting and Case Studies from N. Greece

The geophysical techniques are used for investigating the interior of tumuli in order to locate burial monuments covered by the embankment. This is a contribution towards saving the integrity of the construction since the tumuli by themselves comprise monuments which must be preserved. The electrical resistivity tomography (ERT) comprises a fully non destructive, efficient and reliable method for investigating the interior of tumuli. Several examples on the conduct, processing and interpretation of ERT surveys data are presented here, all of which are coming from N. Greece. Further, comments on the merits and disadvantages of the method are made. The arrangement of the ERTs along rectangular and radial grids is also discussed.