تحديد البارامترات الهيدروجيولوجية باستخدام معطيات مراقبة نظام المياه الجوفية في المنطقة الواقعة بين نهري الصنوبر والكبير الشمالي
Abstract
يتضمن هذا البحث مناقشة طريقة تعيين البارامترات الهيدروجيولوجية باستخدام معطيات مراقبة نظام المياه الجوفية، وذلك بغية تحديد قيم هذه المعاملات على مساحات كبيرة. والتي تملك أهمية تطبيقية كبيرة وخاصةً عند نمذجة المسائل الهيدروجيولوجية حيث تسمح بإيضاح وتدقيق البنية الهيدروجيولوجية والهيدروديناميكية للمنطقة وأسباب تغير الخواص الرشحية للطبقة الحاملة للمياه وغيرها.
وقد تبين من خلال هذه الدراسة أن الناقلية المائية تتغير من 36 إلى 570 م2/يوم، وعامل الرشح من 1 إلى 53 م/يوم، وكانت قيم المعطائية المائية منخفضة إلى متوسطة حيث تأرجحت بين 0.00004 و 0.2 بسبب ازدياد عامل الانتشار، في حين تراوحت التغذية الراشحة من 1 - 40 % من الهطولات تقريباً.
إن النتائج التي تمّ الحصول عليها تتوافق توافقاً جيداً مع الخصائص الجيولوجية ـ البنيوية والليتولوجية ـ السحنية لمنطقة الدراسة.
This research discusses the way of defining hydogeological parameters by using monitored data of the ground water system, for defining the values of these coefficients on large areas, which has a practical significance especially in modeling the hydrogeological problems which allows explaining and checking the hydrodynamic and the hydrogeological structures of the area and the reasons of changing the filteration properties of the aquifer.
It appears that transmissivity varied from 36 to 570 m2/day, the permeability from 1 to 53 m/day, and the water yield from low to medium between 0.00004 and 0.2 because of the rising of the coefficient of diffusion.
The filtration recharge approximately from 1 - 40% from the rain falls.
The obtained results are in good conformity with the geological characteristics - structural and litologic - facies characteristics for the study area.
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