Fig. 5

Kriging of gradiometric data: the cell size of this raster is equal to 0.25Â m. Image created with QGIS (QGIS.org, 2024): QGIS Geographic Information System (Version 3.34.3). QGIS Association. http://www.qgis.org.

Kriging of gradiometric data: the cell size of this raster is equal to 0.25Â m. Image created with QGIS (QGIS.org, 2024): QGIS Geographic Information System (Version 3.34.3). QGIS Association. http://www.qgis.org.