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- Wadi_Hanifa abstract "Wadi Hanifa (Arabic: وادي حنيفة) is a wadi or valley in the Nejd region, Riyadh Province, in central Saudi Arabia. The valley runs for a length of 120 km (75 mi) from northwest to southeast, cutting through the city of Riyadh, the capital of Saudi Arabia.A string of towns and villages lie along the valley, including Uyaynah, Irqah and Diriyah. The historical city of Riyadh itself is on the northeastern side of the wadi, but the city has now expanded across Wadi Hanifa, with the sub-municipalities of Al-Shifa and Al-Urayja on its southwestern side.In pre-Islamic Arabia, the wadi was known as al-Irdh العرض. Its current name is derived from that of the Banu Hanifa, the principal Arab tribe in the area at the time of the Islamic conquest of Arabia.In pre-historic times, rain fell heavily in the region. This is reflected in the local folk tradition that claims that during the reign of the ancient kingdom of al-Yamamah, the area was once covered with oases and fertile farmland. God became angry and visited a plague of locusts and drought that the land never recovered from. Modern climate studies would likely show that the local catastrophe was actually the effect of global climate changes. Ongoing and future changes could bring higher precipitation levels back to the region.Temperatures in summer reach an average of 42.9 °C (109.2 °F), and precipitation averages only 60 millimetres (2.4 in) per year in the driest places. Rain falls with great intensity for short periods, causing flash floods. The nature of the dry, warm climate leads to a high percentage of the scarce rainfall being instantly evaporated. That which remains mostly ends up as groundwater. While abundant, the levels of the water table are being tested by the rapid growth the city of Riyadh has seen in the past fifty years, from a population of 150,000 in 1960 to an estimated 5 million today.While the wadi has traditionally been dry except for during times of flooding, the construction of Riyadh’s first large sewage treatment facility in 1982 has channeled 400,000-650,000 cubic meters of runoff downstream daily, creating a constantly expanding area of small lakes south of Riyadh. A new green corridor nearly 100 kilometers long has been formed. The Saudi government and the Ar-Riyad Development Authority appointed Buro Happold and Moriyama & Teshima architects to plan the preservation of the wetlands of the Wadi Hanifa, as they had become a popular destination for recreational activities such as fishing and picnicking and have also become a stop for migratory birds. The government has invested over $100 million (US) into an environmental rehabilitation project. This includes the construction of dams to regulate water flow, new limits on land use such as the banning of such commercial activities as quarrying and the planting of reeds to further purify the treated and untreated sewage. The completed project won the 2010 Aga Khan Award for Architecture The increase in surface water has led to widespread date palm cultivation along the banks of the wadi. The treated water is given free of charge from the government to farmers which has led to much higher yields. More importantly for the economy, the government uses much of the water to run one of the largest oil refineries in the country. The city of Riyadh also pumps a portion back into the city to irrigate its public gardens and parks.".
- Wadi_Hanifa thumbnail അൽ_എൽബ്_അണക്കെട്ട്.JPG?width=300.
- Wadi_Hanifa wikiPageExternalLink one-site.tcl?site_id=4168.
- Wadi_Hanifa wikiPageExternalLink alrriyadh-gogrphy.doc_cvt.asp.
- Wadi_Hanifa wikiPageExternalLink detail.asp?InNewsItemID=45467&InTemplateKey=print,.
- Wadi_Hanifa wikiPageExternalLink details.php?id=330976,.
- Wadi_Hanifa wikiPageID "10120669".
- Wadi_Hanifa wikiPageLength "6092".
- Wadi_Hanifa wikiPageOutDegree "28".
- Wadi_Hanifa wikiPageRevisionID "707701262".
- Wadi_Hanifa wikiPageWikiLink Aga_Khan_Award_for_Architecture.
- Wadi_Hanifa wikiPageWikiLink Al-H̨āyir.
- Wadi_Hanifa wikiPageWikiLink Al-Yamama.
- Wadi_Hanifa wikiPageWikiLink Ar-Riyad_Development_Authority.
- Wadi_Hanifa wikiPageWikiLink Banu_Hanifa.
- Wadi_Hanifa wikiPageWikiLink BuroHappold_Engineering.
- Wadi_Hanifa wikiPageWikiLink Category:Najd.
- Wadi_Hanifa wikiPageWikiLink Category:Rivers_of_Saudi_Arabia.
- Wadi_Hanifa wikiPageWikiLink Category:Wadis.
- Wadi_Hanifa wikiPageWikiLink Category:Wadis_of_Saudi_Arabia.
- Wadi_Hanifa wikiPageWikiLink Date_palm.
- Wadi_Hanifa wikiPageWikiLink Diriyah.
- Wadi_Hanifa wikiPageWikiLink Irqah.
- Wadi_Hanifa wikiPageWikiLink List_of_expeditions_of_Muhammad.
- Wadi_Hanifa wikiPageWikiLink Manfuha.
- Wadi_Hanifa wikiPageWikiLink Najd.
- Wadi_Hanifa wikiPageWikiLink Riyadh.
- Wadi_Hanifa wikiPageWikiLink Riyadh_Region.
- Wadi_Hanifa wikiPageWikiLink Saudi_Arabia.
- Wadi_Hanifa wikiPageWikiLink Uyayna.
- Wadi_Hanifa wikiPageWikiLink Wadi.
- Wadi_Hanifa wikiPageWikiLink File:Wadi_Hanifa_from_King_Fahd_Rd.jpg.
- Wadi_Hanifa wikiPageWikiLink File:അൽ_എൽബ്_അണക്കെട്ട്.JPG.
- Wadi_Hanifa wikiPageWikiLinkText "Wadi Hanifa".
- Wadi_Hanifa wikiPageUsesTemplate Template:Cite_journal.
- Wadi_Hanifa wikiPageUsesTemplate Template:Convert.
- Wadi_Hanifa wikiPageUsesTemplate Template:Coord_missing.
- Wadi_Hanifa wikiPageUsesTemplate Template:Lang-ar.
- Wadi_Hanifa wikiPageUsesTemplate Template:More_footnotes.
- Wadi_Hanifa wikiPageUsesTemplate Template:Reflist.
- Wadi_Hanifa wikiPageUsesTemplate Template:Saudi_Arabia_topics.
- Wadi_Hanifa subject Category:Najd.
- Wadi_Hanifa subject Category:Rivers_of_Saudi_Arabia.
- Wadi_Hanifa subject Category:Wadis.
- Wadi_Hanifa subject Category:Wadis_of_Saudi_Arabia.
- Wadi_Hanifa hypernym Wadi.
- Wadi_Hanifa type Desert.
- Wadi_Hanifa type River.
- Wadi_Hanifa type Desert.
- Wadi_Hanifa type Landform.
- Wadi_Hanifa comment "Wadi Hanifa (Arabic: وادي حنيفة) is a wadi or valley in the Nejd region, Riyadh Province, in central Saudi Arabia. The valley runs for a length of 120 km (75 mi) from northwest to southeast, cutting through the city of Riyadh, the capital of Saudi Arabia.A string of towns and villages lie along the valley, including Uyaynah, Irqah and Diriyah.".
- Wadi_Hanifa label "Wadi Hanifa".
- Wadi_Hanifa sameAs Q3595382.
- Wadi_Hanifa sameAs وادي_حنيفة.
- Wadi_Hanifa sameAs Wadi_Hanifa.
- Wadi_Hanifa sameAs വാദി_ഹനീഫ.
- Wadi_Hanifa sameAs Wadi_Hanifa.
- Wadi_Hanifa sameAs m.02q2fhz.
- Wadi_Hanifa sameAs Q3595382.
- Wadi_Hanifa wasDerivedFrom Wadi_Hanifa?oldid=707701262.
- Wadi_Hanifa depiction അൽ_എൽബ്_അണക്കെട്ട്.JPG.
- Wadi_Hanifa isPrimaryTopicOf Wadi_Hanifa.