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Waterborne Geophysics

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Activity

Waterborne geophysical techniques for the characterization of bottom sediments in lakes and rivers.

Brief description: The research is carried out in collaboration with the Politecnico di Torino. The research aims at evaluating the application, in different aquatic contexts, of waterborne geophysical techniques (magnetic, electromagnetic and electrical) from an onboard boat for the characterization of submerged sediment of natural basins and irrigation channels both for characterization studies and for the assessment of the risk of infiltration and seepage. The implementation of the research with the use of seismic techniques is also under evaluation . The waterborne geophysical techniques are a useful tool for a correct characterization of the bottom sediments in a spatially distributed manner overcoming the inherent limitations of direct surveys and sampling in the same contexts. The research results have led to the correct identification of the bottom features of natural lakes in different contexts and identification of potential earliest signs of seepage from irrigation canals .
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Publications

• "WATERBORNE AND ON-LAND ELECTRICAL SURVEYS TO DELINEATE THE GEOLOGICAL EVOLUTION OF A GLACIAL LAKE IN NW ITALY" C. Colombero, C. Comina, F. Gianotti and L. Sambuelli, Journal of Applied Geophysics 105 (2014) 191-202, http://dx.doi.org/10.1016/j.jappgeo.2014.03.020.

• "GEOPHYSICAL METHODS TO SUPPORT CORRECT WATER SAMPLING LOCATIONS FOR SALT DILUTION GAUGING" C. Comina, M. Lasagna, D. A. De Luca and L. Sambuelli, Hydrol. Earth Syst. Sci., 18, 3195-3203, 2014 - doi:10.5194/hess-18-3195-2014

• "FIRST RESULTS OF WATERBORNE GEOPHYSICAL SURVEYS AROUND THE MALPASSO SITE (TUORO SUL TRASIMENO, ITALY) FOR GEOLOGICAL AND ACHEOLOGICAL CHARACTERIZATION" Borgia L., C. Colombero, C. Comina, F. Del Bianco, L. Gasperini, F. Priore, L. Sambuelli, G. Stanghellini and S. Trippetti - 32° Convegno Nazionale GNGTS - Gruppo Nazionale di Geofisica della Terra Solida - Trieste 19-21 novembre 2013.

• " GEOELECTRICAL MEASUREMENTS FOR AGRICULTURAL CANAL SEEPAGE DETECTION" C. Comina and L. Sambuelli (2012) Near Surface Geoscience 2012 - 18th European Meeting of Environmental and Engineering Geophysics, Paris, France, 3-5 September 2012.

Last update: 08/01/2018 10:32
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