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The Atatürk Dam along the Euphrates River. The issue of water rights became a point of contention for Iraq, Turkey and Syria beginning in the 1960s when Turkey implemented a public-works project (the GAP project) aimed at harvesting the water from the Tigris and Euphrates rivers through the construction of 22 dams, for irrigation and ...
The global annual runoff into the oceans (38,500–44,200 km 3 /year) is dominated by runoff into the South Atlantic from eastern South America, into the western Pacific from east Asia, and into the Indian Ocean from India, and southeast Asia.
Water quality in the Iraqi Euphrates is low because irrigation water tapped in Turkey and Syria flows back into the river, together with dissolved fertilizer chemicals used on the fields. [56] The salinity of Euphrates water in Iraq has increased as a result of upstream dam construction, leading to lower suitability as drinking water. [57]
The Khabur River is the largest perennial tributary to the Euphrates in Syria. Although the Khabur originates in Turkey , the karstic springs around Ras al-Ayn are the river's main source of water.
Pages in category "History of the Tigris–Euphrates river system" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes .
The longest and most important river is the Euphrates, which represents more than 80 percent of Syria's water resources. Its main left-bank tributaries, the Balikh and the Khabur, are small perennial rivers that both rise in the Syro-Turkish border region. The right-bank tributaries of the Euphrates are mostly small seasonal streams called wadis.
Meanwhile, as the water level fell, salinity increased to 15,000 parts per million in some areas, up from 300 to 500 ppm in the 1980s. "When the river water levels were high, the low-saline Tigris washed over the marshes, cleansed them, and pushed the salty residue into the saltier Euphrates, which flows along the western edge.
Until 1875, the Euphrates split into two channels south of the town of Musayyib; the western Hindiya branch and the eastern Hillah branch. Due to changes in the water management of the wider Tigris–Euphrates river system in 1875, severe floodings of the Euphrates downstream from Fallujah occurred.