Maria Teresa Melis, graduated in Geology with a PhD in Remote Sensing application for arid and semiarid geomorphological mapping. She is Associate Professor in Geomatics, and responsible for the “TeleGIS” Remote Sensing Laboratory, University of Cagliari, Italy. She is co-chair of the III Commission Remote sensing in ISPRS (International Society for Photogrammetry and Remote Sensing), WGIII 1 – Thematic Information Extraction. Member of the Scientific Council of ASITA (Federation of Italian Scientific Associations in Environmental and Land Information). She was Vice-President of the Italian Association of Remote Sensing. Her research focuses on remote sensing applied to geological/land cover/geomorphological analysis in remote areas (cold and hot arid lands), publishing +50 papers and contribution in books.