GEOPHYSICAL PROSPECTION PROBLEMS IN DETERMINING THE PRESENCE AND BOUNDARIES OF HYDROGEOLOGICAL STRUCTURES OF BURIED VALLEYS GEOELECTRIC METHOD
Journal Title: Biuletyn Państwowego Instytutu Geologicznego - Year 2011, Vol 445, Issue 445
Abstract
The article discusses the possibility of the use of geophysical – resistivity research in hydrogeology concerning the recognition of the hydrogeological structures of buried valleys. Further, the organization of fieldworks and the interpretation of electroresistance penetrations were presented on the examples of hydrogeological structures of buried valleys in the Wielkopolska region. The article presents the results of geoelectrical modeling and their visualization obtained by means of the available methods of interpretation in determining the ranges and boundaries of aquifers for the location of boreholes for groundwater capture. The results of the interpretation of geoelectrical soundings show dimensional variation of resistance deposit within the Quaternary in the Wielkopolska region. In southern Wielkopolska (region of Bartoszewice and region of Sowiny) the resistance of watered sandy – gravel deposits of the older Pleistocene (46–80 Wm) show little difference from till-mud deposits (18–47 Wm). However, in northern Wielkopolska (region of Adolfowo–Konstantynowo–Zacharzyn) these deposits are more diverse, with the resistance for watered sandy-gravel deposits from 79 to 1838 Wm and till-mud deposits from 40 to 205 Wm.
Authors and Affiliations
Michalina FLIEGER-SZYMAŃSKA, Piotr FILIPIAK
Keywords
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