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- Title
GEOELECTRICAL INVESTIGATIONS OF MARINE INTRUSIONS ON THE ROMANIAN BLACK SEA SHORE.
- Authors
Georgescu, Paul; Ioane, Dumitru; Niculescu, Bogdan Mihai; Chitea, Florina
- Abstract
For the majority of the communities living in coastal areas, the main potable water resource is represented by the fresh underground water, which is in a hydrodynamic equilibrium with the salty sea water. The natural or anthropic contamination of fresh water with marine salt water produces significant changes in the aquifers resistivity, thus allowing the application of geoelectrical methods for the detection and monitoring of marine intrusions. We present two case studies from Romania (Costineşti and Vama Veche areas) which are relevant for the application of Vertical Electrical Sounding (VES) method for mapping and monitoring marine intrusions. The results of these investigations are represented by means of apparent resistivity cross sections, which clearly evidence the spatial and temporal evolution of such intrusions. The processing and interpretation of VES curves were carried out using a set of newly developed computer programs for the evaluation of site effects and forward modeling of the media characterized by a continuous resistivity variation.
- Subjects
ROMANIA; IGNEOUS intrusions; DEPTH sounding; DRINKING water; GROUNDWATER
- Publication
GeoEcoMarina, 2010, Vol 16, Issue 1, p85
- ISSN
1224-6808
- Publication type
Case Study