Abstract
At the procedural level and according to climate factors, the study area has an arid climate. About 12.4% of the total rainfall was observed as excess water in the study area over 30 years. The amount of groundwater recharge, measured in millimeters per year at a rate of 16.7 mm/year, was 5.37% of the total rainfall. The main direction of the flow net in the studied area was from west to east, and the water table levels ranged from 321 to 409 m above sea level. The values of a saturated thickness (b) for the Rabia sub-basin were between (73 and 127 m). Depending on the results of pumping test analysis from eight wells, the hydraulic conductivity values (K) of the Rabia sub-basin aquifer ranged between (2.91 to 5.55) m/day. The Transmissivity (T) values ranged from (235.3 to 704.2) m²/day, while the storage coefficient (Sc) values ranged between (1.16 x 10ˉ⁴to 3.98 x 10ˉ). This value indicates that the aquifer is confined.
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