Essam Saeid
(1), Khalifa Eldursi
(2), Taoufik Al Trabelci
(3)
(1)
The University of Benghazi, Department of Earth Sciences, Benghazi , Libya,
(2)
The University of Benghazi, Department of Earth Sciences, Benghazi , Libya,
(3)
Ministry of Water Resources, Benghazi , Libya
