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Dr. Abdelatif Mukhtar Ahmed ,Wan Norazmin Sulaiman ,2005, DETERMINATION OF AQUIFER POROSITY USING RESISTIVITY IMAGING TECHNIQUE,Journal of Science and Technology,6 (2) ,pp:0-0

By Dr. Abdelatif Mukhtar Ahmed ,Wan Norazmin Sulaiman ,
Resisyivity, Porosity and Groundwater
This paper is an attempt to investigate the groundwater aquifer porosity in the area south of Kuala Lumpur City, Malaysia. Other groundwater aquifer characteristics such as the aquifer thickness, depth to aquifer, and aquifer type were determined. Resistivity imaging survey was used as the main technique to investigate the aquifer characteristics, and mainly the aquifer porosity. Electrical resistivity imaging survey line was conducted in the area south of Kuala Lumpur City, and around the Malaysian Agricultural Research Institute. A relationship between the resistivity and formation factor was established, and used for plotting of porosity distribution along the same line. Porosity values along this line were found to range between 6 to 33%. Three porosity zones were determined; arenitic schist with porosity values between 6 and 10%, schist with porosity values between 10 and 17%, and fissured phyllite with porosity values between 17 and 33%. Thickness of the top layer (Arenitic Schist of kenny Hill Formation), was estimated to range between 1.2 and 10 ms, while the depth to aquifer was estimated to range between 7 and 10 ms. The aquifer was determined to be unconfined and of good quality and can yield good quantities of water.
هذه الورقة محاولة للتعرف على مسامية صخور الخزان الجوفي في المنطقة جنوب كوالالمبور (ماليزيا). وكذلك للتعرف على بعض خصائص الخزان الجوفي مثل عرض الخزان ونوعيته وبعده عن سطح الأرض، وذلك بطريقة المقاومة الأرضية. لقد تم التعرف على عدة قيم للمسامية تتراوح ما بين 6 – 33%. وتم التعرف على بعد الخزان من سطح الأرض ووجد أنه يتراوح ما بين 7 - 10 متر. ولقد تعرفت الدراسة على أن الخزان الجوفي نوعيته شبه محصور وذو نوعية جيدة وبه كميات وافرة من المياه.
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