Diyala (river)
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Diyala Sîrwan, Sirvan |
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 The Diyala River (blue) |
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| Data | ||
| location | Iran , Iraq | |
| River system | Tigris | |
| Drain over | Tigris → Shatt al-Arab → Persian Gulf | |
| source | Zagros Mountains near Hamadan | |
| muzzle | south of Baghdad in the Tigris Coordinates: 33 ° 13 ′ 15 " N , 44 ° 30 ′ 23" E 33 ° 13 ′ 15 " N , 44 ° 30 ′ 23" E
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| length | 443 km | |
| Catchment area | 32,600 km² | |
| Reservoirs flowed through | Darbandichan Dam | |
| Small towns | Darbandichan , Kalar | |
 Diyala near Darbandichan |
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The diyala ( Arabic نهر ديالى, DMG Nahr Diyālā ; Kurdish : Sîrwan , Persian سيروان, DMG Sīrvān ) is a tributary of the Tigris . The Iranian part of the river is called Sirvan while Diyala refers to the Iraqi section.
It has its source in Iran and flows through Iran and Iraq . Its total length is 443 km. The etymology of the name is unknown. In ancient times the river was known as Σίλλα (Silla) or Δέλαζ (Délaz) . The Iraqi province of Diyala is named after this river.
The source is located near the town of Hamadan in the Zagros Mountains . The Diyala forms 32 km of the Iranian-Iraqi border. The Diyala meets the Tigris south of Baghdad . Only the lower part of the river is navigable and forms an important route for trade between Iran and Iraq. There is a dam on the lower reaches of the Diyala.
The Nahrawan Canal , which began in the 3rd century, and the Diyala have partly swapped their course in the course of the Middle Ages . The underflow of the Nahrawan is presumably the former underflow of the Diyala, whereas the modern underflow of the Diyala probably follows a former tributary of the Nahrawan.
There are several archaeological sites in the area of Diyala such as Tell Agreb , Tell Asmar , Nerebtum and Ḫafāǧī .
Web links
Individual evidence
- ↑ Evaluation of water quality of Diyala river for irrigation purposes
- ↑ a b The Diyala in the Encyclopædia Britannica
- ↑ M. Morony: Al-Nahrawan . In: The Encyclopedia of Islam Vol. 7, New Edition 2005.