Integrated Geophysical Investigations For Ground Water Exploration In Legedadi Addis Ababa Ethiopia

In this thesis, Geophysical investigating for ground water exploration were carried out at Legedadi, Addis Ababa, Ethiopia. The methods employed were electrical vertical electrical sounding, and magnetic mapping survey. The thesis work mainly focuses on the evaluation of the deep groundwater potential in order to identify the potential area for groundwater and indicate the most promising sites of waterways for drilling capable of supplying potable water on continuous basis.rnOn this work the conducted vertical electrical sounding was processed by using different soft wares and from that apparent resistivity pseudo-section, resistivity inversion curves, 2D-depth model, apparent resistivity contour and also layer thickness depth, were done. And the magnetic model was also processed by using software’s and from it grid map, trend map, analytic map, vertical and horizontal derivative map, magnetic intensity model etc. was done. These results were correlated and interpreted and additional geological information was acquired. Generally the result obtained was interpreted based on in geophysical and geological languages. Finally conclusions and recommendations are given.

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