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Abstract of the Article

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Geoelecterical Studies For Estimating Hydraulic Properties of Ground water–A case Study in Kangavar,Kermanshah-Iran

Authors:
[ Salehzade ] - Dept. of Water Engineering, College of Agriculture, Razi University, Kermanshah, Iran.
[ Taheri Tizro ] - Dept. of Water Engineering, College of Agriculture, Razi University, Kermanshah, Iran.

Abstract:

The evaluation of aquifer characteristics is an important task in groundwater resources assessment and development. Forty vertical electric sounding (VES) were recorded with Schlumberger electrode configuration in the study area and 28 of these were selected. The data obtained have been interpreted by computer iterative modeling with curve matching for calibration purposes. In order to ascertain the subsurface geological framework the general distribution of resistivity response of the geological formations has obtained and geoelectrical sections along number of lines have been prepared. Probable aquifer horizons from these sections have been identified. In the present study, an attempt has been made to estimate aquifer transmissivity from resistivity data for alluvial aquifers in Kangavar Basin. The transmissivity of the unconfined aquifers have been computed by solving the Dar-Zarrouk Parameter and was compared with the actual field transmissivity. The results showed a direct relation between aquifer transmissivity and the modified transverse resistance with the root mean square error (RMS) of 180 day m / 2 .

Keywords:

Groundwater, Transmissivity, Modified Transverse Resistance, Varying Salinity, Vertical Electrical Sounding (VES).