Engineering Geology

Engineering Geology

Comparison of hydrodynamic coefficients of Dalon- Meydavood plain by grain size analysis, geophysics and pumping test methods

Authors
sooror mazraeasl
Farzad akbari
elahe iraniasl
Leila Hosseini Shafei
10.22034/JEG.2024.18.1.1019741
Abstract
Groundwater is one of the main sources of water supply for agriculture, drinking and industry in Iran, especially in areas with arid and semi-arid climates. Therefore, due to the high importance of groundwater resources, it is necessary to know the hydrodynamic parameters in order to determine the natural flow of water and manage the optimal utilization of groundwater resources. Considering the role of the Daloon-Meydavood aquifer in providing part of the water needed in the study area, especially for agricultural purposes, the hydrodynamic parameters of this aquifer were estimated using the methods of grain size analysis, geophysics and pumping test. The parameters were calculated by all three methods and validated using the flow rate of the exploitation wells. In all three methods, the hydrodynamic parameters (Hydraulic conductivity, Specific yeild, transmissivity coefficient) are the highest in the north and northeast and the lowest in the south and northwest. The results showed that 2 methods including grain size analysisand pumping test had the most similarity with the discharge map of the exploitationwells.
Keywords
Hydrodynamic Coefficients
Dalon-Midwood
pumping test
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