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|Zarqa River (Arabic: نهر الزرقاء Hebrew: נחל יבוק, nahal yabboq)|
|Name origin: Arabic زرقاء, "the blue river" Hebrew: Jabbok, from "baqoq", "to flow" or "pour out"|
|- left||Wadi Dhuliel|
|Length||65 km (40 mi)|
|Basin||3,900 km2 (1,506 sq mi)|
The Zarqa River (Arabic: نهر الزرقاء) is the second largest tributary of the lower Jordan River, after the Yarmouk River. It is the third largest river in the region by annual discharge, and its watershed encompasses the most densely populated areas east of the Jordan River. It rises in springs near Amman, and flows through a deep and broad valley (which is identified with the biblical Jabbok River) into the Jordan, at an elevation 1,090 meters (3,600 ft) lower. The river is heavily polluted and its restoration is one of the top priorities for the Jordanian Ministry of the Environment.
Geologically, the Zarqa river is about 30 million years old. At the river's origin is 'Ain Ghazal, a major archaeological site that dates back to the Neolithic period. Archeological finds along the course of the river indicate the area was rich in flora and fauna in the past.
The Zarqa River is identified with the biblical river Jabbok (Hebrew: יבוק). The Biblical Jacob crossed the Jabbok on his way back to Israel, after leaving Harran. It leads west into the Sukkot Valley, from where one crosses over the Jordan and can easily reach Shechem, as Jacob eventually did. The biblical cities of Zaretan and Adam are also at the mouth of the valley.
The river is first mentioned in connection with the meeting of Jacob and Esau, and with the struggle of Jacob with the angel (Genesis 32:23 et seq.). It was the boundary separating the territory of Reuben and Gad from that of Ammon, the latter being described as lying along the Jabbok (Numbers 21:24; Deuteronomy 2:37, 3:16; Joshua 12:2). The territory of Sihon is described as extending "from Arnon unto Jabbok" (Numbers 21:24), and it was reclaimed later by the King of Ammon (Judges 11:13, 22). Eusebius places the river between Gerasa and Philadelphia.
The headwaters of the Zarqa begin just northeast of Amman, rising from a spring named Ain Ghazal ("Gazelle spring"). The river flows to the north before heading west. Rising on the eastern side of the mountains of Gilead, it runs a course of about 105 kilometers (65 mi) in a wild and deep ravine before flowing into the Jordan River between Gennesaret and the Dead Sea, at a point 1,090 meters (3,576 ft) below its origin. At its higher reaches, the river banks are mostly steep and canyon-like. Near Ain Ghazal, two tributary wadis join the river, and it opens up into a shallow basin. It forms the border between the Jordanian administrative regions of Irbid and Al Balqa.
The river is perennial, but with a very low base flow of about 2–million to 3 million cubic meters per month during the summer months, and as much as 5–million to 8 million cubic meters per month during the rainy winter months. This makes it the second largest tributary of the lower Jordan River, after the Yarmouk River, and the third largest river in the region by annual discharge. Irregular floods after rain storms may increase the flow to as much as 54 million cubic meters. The median annual flow is 63.3 million cubic meters. The total basin area is 3,900 km2 (1,500 sq mi) the largest in Jordan. A small dam, Al-Rwyha dam, near the village of Dayr Alla, marks the end of the upstream portion of the river, where it is natural and fast flowing with very clear water. There is very little agriculture along the banks of the river in this region, which are very rocky. Downstream from this dam, the water level is very low, and the river banks are intensively used for agriculture, as well as grazing by sheep and goats</br> The King Talal Dam was built across the lower Zarqa in 1970, and created a reservoir with a capacity of 55 million cubic meters, and increased in 1987 to 86 million cubic meters. When built, it was expected that the reservoir would supply water for municipal use in the Amman region. However, the current levels of pollution in the lake make the water unfit for human consumptions, and it is used for irrigation only.
In the city of Zarqa, several bridges, vehicular and pedestrian, cross the river. The earliest of these was built by the Circassian founders of the city. Current bridges include the Zawahreh Bridge, a vehicular bridge connecting Baha' al-Din Street with al-Zuhur Street and the another connecting Baha' al-Din Street with King Talal Street. Two pedestrian bridges connect al-Zuhur Street and Baha' al-Din Street, and Wasfi al-Tal Street and Petra Street.
The geological origins of the Zarqa river are about 30 million years old, when the Great Rift Valley was formed. A ripple effect of its formation was the creation of side-wadis. The Zarqa river carved into the western edge of one of these side wadis. The earliest exposed formations in the area date from the Triassic and early Jurassic periods, and have been named Zerqa and Kurnub formations. The rock formations are marine sediments, remnants of the prehistoric Tethys Sea, which used to cover the area running roughly east - west, halfway across the present Dead Sea. Along the Zarqa, we find crystalline limestone alternating with shale. The next layer is a 20-30 meter high layer of gypsum, argillaceous marly lime, shales and iron-rich stone and sandstone. This layer is rich in fossils. The Zarqa valley was an important passageway connecting the Eastern Desert with the Jordan Valley.
Archaeological finds of charcoaled remains indicate that poplar and tamarix used to grow along the banks of the Zarqa, with forests of wild oak growing on the hillsides. Today, tamarix thickets are still widespread in the floodplains, and the banks are cultivated with fruit orchards and vegetable fields. Along the course of Zarqa river, water is pumped directly and used to irrigate crops of leafy vegetables such as parsley, spinach, cabbage, cauliflower and lettuce, as well as potatoes. Olive trees are also found along the river's banks. Tulips grow on many hillsides of the river, while in the springs area and the watercourse, water vegetation is found. Natural pine forests grow in the King Talal Dam area. Along the upstream banks, where the river runs wild, one finds the common reed, oleander and Typha species. Since the waters of the Zarqa are highly contaminated, with high levels of organic matter and various chemical compounds (especially detergents and dyes), the use of Zarqa water for irrigation has significantly altered the biodiversity of the natural flora, and caused the disappearance of the majority of fresh water species.
In prehistoric times, the area was rich with fauna, and 45 distinct animal species have been identified, half of them wild animals. Domesticated goats were the most common, and gazelles were the most frequently occurring wild animal species. </br> Today, the area is still home to a diverse population of birds and mammals, and some of the breeding species found do not breed anywhere else in Jordan. Among the bird species found are the European Roller, Desert Lark, Dead Sea Sparrow, Desert Finch and Blue-cheeked Bee-eater. The King Talal dam has created a lake which is a habitat for migratory waterfowl and various fish species. Notable birds found in the lake area include the Little Bittern, Cattle Egrets, Grey Herons, White Storks, Common Teal and Eurasian Coot. The lake's waters sustain stock of fish, some of which is indigenous species and some introduced species. The most common are Tilapia. Migratory birds also winter in the man-made pools which make up the Kherbit Al-Samra Sewage Treatment Plant, located in a broad depression close to Wadi Dhulayl, the main tributary of the Zarqa River. As many as 6,000 White Storks have been spotted roosting there. Mammals found in the are include the Common Otter (Lutra lutra), and the Persian Squirrel (Sciurus anomalus). The otter is considered a threatened species.
'Ain Ghazal, the origin of the spring the feeds the Zarqa river, is a major archaeological site, dating back to the Neolithic period. It was continuously occupied for more than two thousand years, and the earliest finds date to 7200 BCE. 'Ain Ghazal is one of the earliest known human settlements with evidence of domesticated animals. With a population of around 3,000 at its height, it was also one of the largest prehistoric population centers in the Near East, with about five time the population of neighboring Jericho. During a 1982 survey of the Zarqa valley, a number Early Iron Age sites were discovered, concentrated along the banks of the Zerqa and its tributaries. One of them, Tulul adh-Dhahab, is under further research now.
Zarqa, Jordan's second largest city, is built on the banks of the Zarqa River, and is the largest settlement along its course. The town of Zarqa was founded in 1902 by Chechen immigrants. Its population grew rapidly with an influx of Palestinian refugees who fled the West bank during the Six-day war.</br> The Zarqa River also flows through Jerash. Inhabited since the Bronze Age, Jerash was an important Greco-Roman city (Gerasha), home to noted mathematician Nicomachus. The ruins of the city are well preserved and have been extensively excavated.
The Zarqa river is highly polluted. In many areas, raw sewage flows untreated directly into the river through dry riverbeds (wadis), contaminating it and creating a stench which has been a cause of numerous complaints, particularly during the summer months. Though sewage treatment stations have been built in a couple of locations (including Ain Ghazal and Khirbet As Samara), these stations often receive more water than they can handle. Such overflow occurs during winter floods, as well as during summer months when the population increases with the return of migrant workers to Amman. During overflow, untreated water runs directly to the Zarqa river. As a result, the Zarqa's water is brownish colored, often with dense foam due to large amounts of organic matter. Other sources of pollutants are the illegal dumping of industrial waste, including those from textile factories, and batteries and oils from garages.
The river's watershed encompasses the most densely populated areas east of the Jordan River, and it flows through an industrialized area that is home to more than 52% of Jordan's industrial plants, including the Jordan Petroleum Refinery Company. During the summer months, treated domestic and industrial waste-water compose nearly all of the flow, and substantially degrade the water quality. Coupled with over-extraction of water from the underground aquifer and the naturally low base flow of the Zarqa, this has created a major problem, described as one of Jordan's "environmental black spots". and has made rehabilitation of the Zarqa a top priority for the Jordanian Ministry of the Environment. The restoration project is estimated to cost $30 million dollars.
- ↑ 1.0 1.1 Placenames of the World, Adrian Room, p. 42, McFarland, 2006
- ↑ 2.0 2.1 "IUCN - Roadmap for Restoration of the Zarqa River Laid Out". www.iucn.org. http://www.iucn.org/where/asia/index.cfm?uNewsID=353. Retrieved 2009-01-25.
- ↑ The Oxford History of the Biblical World, Michael David Coogan, p. 10, Oxford University Press, 2001
- ↑ Onomasticon, ed. Ferdinand Larsow and Gustav Parthey, pp. 222, 224, Berlin, 1862.
- ↑ Middle East Patterns, Colbert C. Held, Mildred McDonald Held, p.291 Westview Press, 2000
- ↑ Rollefson, Gary O, Ain Ghazal: An Early Neolithic Community in Highland Jordan, near Amman, Bulletin of the American Schools of Oriental Research, No. 255 (Summer, 1984)
- ↑ 7.0 7.1 7.2 "Page 35. Surface Water: Zarqa River". www.exact-me.org. http://www.exact-me.org/overview/p35.htm. Retrieved 2009-01-25.
- ↑ GIS-hydrological models for managing water resources in the Zarqa River basin, N. Al-Abed, F. Abdulla and A. Abu Khyarah, Environmental Geology, Volume 47, Number 3 / February, 2005
- ↑ 9.0 9.1 9.2 Results of an initial field survey for otters (Lutra lutra) in Jordon
- ↑ 10.0 10.1 10.2 Ramsar Sites Information Service
- ↑ "CSBE Architectural News: January 2005". www.csbe.org. http://www.csbe.org/news2005/january/newcom.htm. Retrieved 2009-01-25.
- ↑ Zarqa River Eco Development
- ↑ 13.0 13.1 Tribes and Territories In Transition
- ↑ Gary Rollefson &, Zeidan Kafafi. "The Town of 'AinGhazal". menic.utexas.edu. http://menic.utexas.edu/ghazal/intro/int.html. Retrieved 2009-01-25.
- ↑ Reclamation’s history of the Jordan River Basin in Jordan, a focus on agriculture: past trends, actual farming systems and future prospective.
- ↑ Khammash, Ammar. "Flora of Jordan". www.jordanflora.com. http://www.jordanflora.com/Tulip.htm. Retrieved 2009-01-25.
- ↑ The Royal Society for the Conservation of Nature, Jordan
- ↑ 18.0 18.1 Water scarcity in relation to food security and sustainable use of biodiversity in Jordon
- ↑ Observations on the avifauna of the eastern Jordan Valley, during July–August 2005
- ↑ Feldman, Keffie. "Architecture, Body and Performance: Ain-Ghazal (Jordan) Pre-pottery Neolithic B Period pit of lime plaster human figures". proteus.brown.edu. http://proteus.brown.edu/architecturebodyperformance/326. Retrieved 2009-01-23.
- ↑ Robert L. Gordon, Linda E. Villiers: Telul edh Dhahab and its environs surveys of 1980 and 1982: a preliminary report. In: Annual of the Department of Antiquities of Jordan. Vol. 27, 1983, p. 275-289.
- ↑ The Chechens, Amjad M. Jaimoukha, p.231, Routledge, 2005
- ↑ Namrouqa, Hana. "Jordan Times". www.jordantimes.com. http://www.jordantimes.com/?news=10119,. Retrieved 2009-01-25.
- ↑ "Jordan: USD30 million estimated cost for Zarqa River Basin Restoration". www.emwis.net. http://www.emwis.net/thematicdirs/news/snews067808. Retrieved 2009-01-25.
- Room, Adrian (2nd Ed. 2005). Placenames Of The World: Origins and Meanings of the Names for 6,600 Countries, Cities, Territories, Natural Features and Historic Sites. McFarland & Company. ISBN 0786422483.
- Coogan, Michael David (March 2001). The Oxford History of the Biblical World. Oxford University Press. ISBN 0195139372.
- Larsow, Ferdinand (1862). Onomasticon. Berlin.
- Held, Colbert C. (3rd edition, November 1, 2000). Middle East Patterns: Places, Peoples, and Politics. Westview Press. ISBN 0813334888.
- Some or all of this article is forked from Wikipedia. The original article was at Zarqa River. The list of authors can be seen in the page history.