DBPapers
DOI: 10.5593/sgem2011/s02.113

DETERMINING HYDRODYNAMICS COEFFICIENTS OF AMAN ABAD AQUIFER USING GEOELECTRIC DATA

AUTHOR/S: M. MIRZAEI, F. G. AROUSMAHLLEH, S. GHOLAMI, V. ADESHTEH, A. BAGHRI, A. M. MOVAHHED
Monday 1 August 2011 by Libadmin2011

11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 1, 421-428 pp

ABSTRACT

Increasing population, urban development, industrial and agricultural needs, gradually
warming the Earth and increasing droughts have been caused of reduction of
consumable water and the need for rich resources of underground water has been more
than before. Arak as a fourth pole of the industry in the Iran country has especial
dependence on Aman Abad region underground water resources, so the study in this
area for underground water exploitation and control of resources have great importance, that most of these studies are time-consuming and expensive. The main goal of this
research is to estimate aquifer hydrodynamic coefficients in the area, such as storage
coefficient, permeability coefficient and transmitivity with help of geophysical data,
resistivity method and information from exploratory wells, because of simplicity and
cheapness of this method. For this purpose, data of 156 electrical Soundings, present in
the area, are interpreted by curve fitting technique and using well and geology
information to determine resistivity and thickness of subsurface layers. Then by putting
the results of the interpretation of resistivity data, of each electrical sounding along a
profile, 2D pseudo section is constructed. Saturated and dry regions and their
resistivities were specified with helping of the constructed model and the data from the
water table piezometric wells in the area. And finally by using hydrogological
relationships, hydrodynamic coefficients are calculated. Then by plotting the results of
the calculations and their interpretations, regions with different potential of water were
specified. Region whose water table level has been fallen extremely was also recognized.
Finally, a comparison between estimated coefficients from mentioned methods and results from pumping tests were carried out which has been showed good agreement.

Keywords: Coefficients, Hydrodynamic, permeability, transmitivity, electric soundings

PAPER 2011/s02.113: DETERMINING HYDRODYNAMICS COEFFICIENTS OF AMAN ABAD AQUIFER USING GEOELECTRIC DATA

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