The location and mapping of ancient ruins on the castle of Lefkas (Greece) by resistivity and GPR methods

Contribution of the geophysical methods in characterizing the water leakage in Afamia B dam, Syria

“…This technique became the most common method applied in the earth sciences specially in hydrogeology due to the quality of the data obtained, and it can give continuous coverage of the underground in 2D and 3D spaces (Batayneh et al, 2001;Karastathis et al, 2002;Leucci, 2006;Nguyen et al, 2005;Savvaidis et al, 1999). The objective of this technique (ERT) was to obtain more information and further details in 2D about the lithological and geological structure of the lake base and to integrate the results with the electromagnetic survey and electrical soundings.…”

“…One of the main techniques used to deal with such problems is the geophysical investigations including various modern techniques such as the two dimensional geoelectrical method (tomography), georadar prospecting and magnetic resonance sounding (MRS), which assist obtaining a detailed image of the subsurface structures and water tables (Al-Fares et al, 2002;Beres and Haeni, 1991;Gómez-Ortiz et al, 2007;Grasmueck, 1996;Leucci, 2006;Nguyen et al, 2005;Savvaidis et al, 1999;Sumanovac and Weisser, 2001;Van Schoor, 2002;Vouillamoz et al, 2003;Yaramanci et al, 2002). In fact, the geophysical methods present an effective contribution for outlining the underground structures including caves, fault lineaments and other subsurface structures which are responsible for the majority of water leakage in dams.…”

Ground penetrating radar and electrical resistivity tomography for locating buried building foundations: A case study in the city centre of Thessaloniki, Greece

“…Further, the combination of geophysical methods offers high resolution, detecting features in the order of a few tens of centimetres depth and/or thickness to several metres. Resistivity methods, and more specifically electrical resistivity tomography (ERT), (Tsokas et al, 1994;Diamanti et al, 2005, Papadopoulos et al, 2007, Tsokas et al, 2008a, Tsourlos and Tsokas, 2011 and ground penetrating radar (GPR) (Savvaidis et al, 1999;Leucci, 2002;Piro et al, 2003;Linford, 2004;Tsokas et al, 2007) are two of the most popular methods for doing so.…”

Joint geophysical measurements to investigate the Rossano of Vaglio archaeological site (Basilicata Region, Southern Italy)

“…In this framework, the most suitable geophysical investigation techniques employed for archaeological purposes are the magnetic method (Bates and Bates, 2000;Bavusi et al, 2004;Chavez et al, 1995Chavez et al, , 2001Godio and Piro, 2005;Powell et al, 2002), the geoelectrical method (Cammarano et al, 2000;Di Fiore and Chianese, 2008;Rizzo et al, 2005;Sambuelli et al, 1999;Tsokas et al, 1994) and the GPR method (Basile et al, 2000;Chadwick and Madsen, 2000;Chianese et al, 2004;Masini et al, 2007;Perez Garcia et al, 2000;Sambuelli et al, 1999;Savvaidis et al, 1999;Tsokas et al, 2007). In fact, they provide non-destructive and broad range of application means of exploring for the archaeological purpose, especially because they are noninvasive and prompt techniques.…”