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The clearwater project: preliminary results from the geophysical survey in Tymraki, Crete, Greece

Vafeidis Antonios, Andronikidis Nikolaos, Hamdan Ali Hamdan, Kritikakis Georgios, Oikonomou Nikolaos, Panagopoulos, Geōrgios D., 1966-, Soupios, P, Steiakakis Manolis, Manoutsoglou Emmanouil

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Περίληψη

One of the most important environmental problems in coastal areas is the salinizationof ground water. The groundwater contamination due to seawater intrusion isusually caused by a violation of a delicate hydrogeological balance that exists betweenfreshwater and seawater in coastal aquifers. The development of a methodologyfor the prediction of the systematic sea water intrusion can contribute to theplanning of effective prevention measures in the coastal areas. The geophysicaltechniques offer a suitable non-invasive method for determining the geometric characteristicsof an aquifer and monitoring the saline water intrusion. Among all geophysicaltechniques, the most successful methods, concerning the detection of salinizationin the coastal areas, are the electric resistivity and electromagnetic methods.Seismic methods can also help in providing further geological information for thestratigraphy. In this work, we present the preliminary results from the geoelectricalsurvey conducted in Tympaki basin (Herakleio, Greece) within the framework of theproject “geophysiCaL basEd hydrogeologicAl modeling to pRevent pollution fromsea WATER intrusion at coastal areas”.

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