Fig. 12

Comparison between results obtained with SOM groups of GPR600MHz depth slices and MAG (a–c) and after the post-processing of SOM with the LISA index (d–f). Image created with QGIS (QGIS.org, 2024): QGIS Geographic Information System (Version 3.34.3). QGIS Association. http://www.qgis.org.