Inventory of Shared Water Resources in Western Asia

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This publication is the first UN-led effort to make a comprehensive assessment of the state of transboundary surface and groundwater resources in the Middle East. It follows a standardized structure, with eight surface water chapters and 19 groundwater chapters that systematically address hydrology, hydrogeology, water resources development and use, international water agreements and transboundary water management efforts. The chapters cover all rivers and groundwater resources shared between Arab countries in the Middle East and include data on water resources that are shared with Iran, Israel and Turkey. Boasting over 50 new maps and 200 figures, tables and boxes with recent, comprehensive data series, the Inventory provides an up-to-date view of the state and evolution of shared water resources in the region.



Rub'al Khali: Umm er Radhuma-Dammam Aquifer System (South)

The southern section of the Umm er Radhuma- Dammam Aquifer System extends from the Gulf coast in the north and the Oman Mountains in the south-east over about 800 km. It covers a total area of about 680,000 km2, stretching across the vast Rub’ al Khali Desert, the Dhofar-Najd Plain in Oman, and the northeastern Hadhramaut-Al Mahra Plateau in Yemen. The aquifer system in this section comprises three Paleogene (Paleocene-Eocene) Formations: the Dammam, the Rus and the Umm er Radhuma, of which the Rus is the least important.


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