The Hydrogeology of the “Upper Mega-Aquifer-System” on the Arabian Peninsula

Randolf Rausch1
1 Hydrogeologie, Technische Universitaet Darmstadt

O 2.1 in Aquifer systems in Europe and beyond

14.04.2016, 14:15-14:30, Audimax B, Geb. 30.95


With an extent of about 1,860,000 km2 the „Upper Mega-Aquifer-System“ on the Arabian Peninsula forms one of the largest aquifer systems of the world. It is built up by several bedrock aquifers (sandstone and karstified limestone aquifers), which are imperfect hydraulically connected to each other. The principal aquifers are the Wasia-Biyadh sandstone aquifer and the Umm Er Radhuma and Dammam limestone aquifers. The stored groundwater is mainly fossil. Groundwater recharge took place in the geologic past under more humid and cooler climatic conditions. Due to the good water quality and high yield the aquifers are intensively exploited, which leads to depletion of the groundwater resources. The presented qualitative and quantitative description of hydrogeology and water budget is the basis for an integrated groundwater management of the aquifer-system.  


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