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Topic: Dujiangyan Irrigation System

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	Irrigated agriculture
		Center pivot irrigation is a form of overhead irrigation consisting of several segments of pipe (usually galvanized steel or aluminum) joined together and supported by trusses, mounted on wheeled towers with sprinklers positioned along its length.
		The system moves in a circular pattern and is fed with water from the pivot point at the center of the arc.
		Irrigation Works of Ancient Sri Lanka were one of the most complex irrigation systems of the ancient world, the sinhalese managed to build major irrigation schemes to support the agriculture which thrived at the time.
	www.katrinapetsneedhelp.com /pets/Irrigated_agriculture (2487 words)

	Dujiangyan Irrigation System Summary
		The name Dujiangyan means "the dam on the capital's river." Construction of the project began in 256 BCE and was directed by the engineer Li Bing and his son Li Erlang.
		The Dujiangyan Irrigation System (都江堰; pinyin: Dū Jiāng Yàn) is a historical Chinese irrigation system constructed around 250 BCE by governor of Shu, Li Bing (李冰) and his son, 56 km west of present day Chengdu, which it still supplies with water.
		The system also includes a dike in the middle of the river to help reduce the amount of silt that flows into the aqueduct.
	www.bookrags.com /Dujiangyan_Irrigation_System (590 words)

	Dujiangyan, China - Travel Photos by Galen R Frysinger, Sheboygan, Wisconsin
		It is 56 kilometers (34.8miles) west of Chengdu at Dujiangyan city lying in the middle reach of Minjiang River, which is the longest tributary of Yangtze River.
		For over two thousand years the whole system has functioned perfectly, serving as not only as flood prevention but also as an immense source for irrigation as well as a means to facilitate shipping and wood drifting.
		Baopingkou: It is the main diversion gate to draw in water for irrigation in shape of bottleneck.
	www.galenfrysinger.com /dujiangyan_china.htm (725 words)

	Dujiangyan Irrigation System \|tibiet\|tibet travel\|china travel\|sichuan travel\|china travel service\|west china (Site not responding. Last check: 2007-11-04)
		Before the completion of Dujiangyan irrigation project, the plains around the Min River were prone to floods due to the fast moving Min River flowing down from its mountain source and meeting flat ground.
		It was in the Warring States period about 2200 years ago, that the engineer Li Bing and his son led the construction of the Dujiangyan irrigation system that tamed the phantasmagoric Min River and irrigated the surrounding plains.
		One interesting thing about the irrigation system is that the project is still in operation and has trebled its original irrigation area of 1 million hectares.
	www.china-panda.com /chinatravel/Html/200541315737-1.html (647 words)

	Dujiangyan Irrigation System Travel Guide, Sichuan, China \| AsiaExplorers (Site not responding. Last check: 2007-11-04)
		The Dujiangyan Irrigation System is a historical Chinese irrigation system that was constructed around 250 BC by the Governor Li Bing (and his son) of Shu Prefecture in Qin State.
		The Dujiangyan irrigation system also includes a dike in the middle of the river and spillways to help reduce the silt that flows into the aqueduct.
		Due to the Dujiangyan Irrigation System, the amount of irrigated area was expanded from 126,000 hectares to nearly 660,000 hectares covering 36 counties.
	www.asiaexplorers.com /china/sichuan/dujiangyan.htm (533 words)

	Dujiangyan Irrigation System Pictures and Travel Information - China Travel Attraction
		The Dujiangyan Irrigation system is a miracle of ancient Chinese ingenuity.
		It was in the Warring States period about 2200 years ago, that the engineer Li Bing and his son led the construction of the Dujiangyan irrigation system that tamed the Min River and irrigated the surrounding plains.
		One interesting thing about the irrigation system is the that project is ongoing and has expanded to more than three times its original irrigated area of 1 million hectares.
	www.muztagh.com /china-attraction/chengdu/dujiangyan.htm (384 words)

	Irrigation System Equipment
		The only book any homeowner needs when considering an irrigation system for a lawn, this complete handbook, written by a master plumber in clear, non-technical language, addresses all types of irrigation systems--from the simple to the high-tech--including overhead, surface, and underground irrigation equipment.
		Dujiangyan Irrigation System - The Dujiangyan Irrigation System (é½æ±å °; pinyin: DÅ« JiÄng YÃ n) is a historical irrigation system constructed around 250 BCE by governor of Shu Li Bing (æå°) and his son, 56 km west of present day Chengdu, which it still supplies with water.
		Life-critical system - A life-critical system or safety-critical system is a system whose failure or malfunction may result in a) death or serious injury to people, or b) loss or severe damage to equipment or c) environmental harm.
	la30.mega-granary.com /irrigationsystemequipment.html (1188 words)

	Dujiangyan Things to Do Tips by mke1963 - VirtualTourist.com (Site not responding. Last check: 2007-11-04)
		The water entering the irrigation system next to the Fulong Temple has had 99% of the silt removed by harnessing the natural actions of the river itself.
		The main entrance to the Dujiangyan Irrigation Works is at a square outside the Lidui Park, although there is another entrance across the southern bridge (you can see it from the square - it was covered by scaffolding and netting in October 2006).
		The islands forming the irrigation system are across the park about 200 metres and accessed by a suspension bridge.
	members.virtualtourist.com /m/68d05/22aaef/4/?o=2 (2081 words)

	The Dujiangyan Irrigation System (Site not responding. Last check: 2007-11-04)
		Intro: Constructed in 256 BC under the leadership of governor Li Bing [æå°], the Dujiangyan irrigation system was the world's oldest and only damless project that is still functioning, distributing waters of the Min River [å²·æ±] to the farmland of the Chengdu Plain, supporting a population over 10 million today.
		Li Bing and his people cleverly used the fact that the waters flow at different speeds at the river turn, with the outer ring moving slowly and thus carrying most of the slit, which is then filtered at the dike and goes back into the outer Min River (which eventually merges into the Yangtze River).
		The dike also adjusts the capacity of the inner river for irrigation such that it carries 40% of the water capacity in the entire Min River in a flood season while 60% of the capacity in a drought season.
	www.cs.iastate.edu /~jia/album/2005/album-dujiangyan.html (601 words)

	Dujiangyan Irrigation System, China
		The irrigation system to be found near the town of Guanxian on the upper reaches of the Minjian river, 55km/34mi northwest of Chengdu, was constructed in 250 BC by Li Bing, prefect of Sichuan at the time of the Warring Kingdoms, in order to prevent catastrophic flooding.
		He ordered the river to be divided up by means of earth dams, with one section branching out into tributaries and canals which served to irrigate the fields.
		This ingenious system has meant that the Minjian has never again flooded its banks during the last 2200 years, and the Chengdu Plain of central Sichuan has become one of China's most fertile regions.
	www.planetware.com /chengdu/dujiangyan-irrigation-system-chn-sc-duj.htm (177 words)

	Mountain Qingcheng and the Dujiangyan Irrigation System
		Mount Qingcheng and the Dujiangyan Irrigation System are two state-level scenic attractions in China.
		The main system consists of three parts:a fish-mouth-like water-dividing dyke, two spillways for discharging flood waters and silt, and a channel cut through Yulei Mountain as a water inlet.
		The tourist site of Mount Qingcheng and the Dujiangyan Irrigation System was listed by the United Nations Heritage Commission as one of the World's Cultural Heritage on November 29, 2000.
	www.chinatravel.com /china-travel-guides/china-attractions/china-world-heritage/mountain-qingcheng-and-th.shtml (654 words)

	Mount Qincheng and The Dujiangyan Irrigation System (Site not responding. Last check: 2007-11-04)
		Criterion (ii): The Dujiangyan Irrigation System, begun in The 2nd century BCE, is a major landmark in The development of water management and technology, and is still discharging its functions perfectly.
		Criterion (iv): The immense advances in science and technology achieved in ancient China are graphically illustrated by The Dujiangyan Irrigation System.
		Construction of The Dujiangyan irrigation system began in The 3rd century B.C. This system still controls The waters of The Minjiang River and distributes it to The fertile farmland of The Chengdu plains.
	www.outdoors.ru /unesco/1001.php (141 words)

	Culture CRIENGLISH
		Built on the upper reaches of the Minjiang River, a major tributary of China's longest river, the Yangtze, the Dujiangyan irrigation system is said to be the world's oldest irrigation project still in operation.
		Built in 256 B.C., the irrigation system has undergone annual dredging and maintenance, a rule established by its builder Li Bing, an official of the Qin Kingdom during the Warring States period (475 B.C-221 B.C.).
		At present, the system still irrigates 672,600 hectares of farmland and provides water for daily use and industrial purposes for people and enterprises in 50 large and medium-sized cities in Sichuan Province.
	en.chinabroadcast.cn /2242/2005-11-17/159@282638.htm (255 words)

	Dujiangyan Irrigation System - Famous Chinese Landmarks - Travel to China
		Image:Dujiangyan_Irrigation_System.jpgthumb250pxrightThe Dujiangyan Irrigation System diverts water from the Minjiang River (Sichuan)Minjiang River, supplying Chengdu with fresh water and preventing floods.
		The Dujiangyan Irrigation System (都江堰; pinyin: Dū Jiāng Yàn) is a historical irrigation system constructed around 250 BCE by governor of Shu Li Bing (李冰) and his son, 56 km west of present day Chengdu, which it still supplies with water.
		This irrigation system diverts part of the Minjiang River (Sichuan)Minjiang River into an aqueduct leading to Chengdu.
	www.famouschinese.com /virtual/Dujiangyan_Irrigation_System (360 words)

	The Daily Star Web Edition Vol. 5 Num 819 (Site not responding. Last check: 2007-11-04)
		Although irrigation got scientific recognition only 50 years back from now, the history of irrigation is very old.
		Irrigation works of ancient Sri Lanka were one of the most complex irrigation systems of the ancient world.
		Irrigation can play a major role in increasing agricultural yields as researchers found that the productivity of irrigated land is about three times higher than that of rain-fed land.
	www.thedailystar.net /2006/09/15/d609151801103.htm (1251 words)

	Attractions in Sichuan - The Dujiangyan Irrigation System (Site not responding. Last check: 2007-11-04)
		The System lies on the Ming River in the northwest of Dujiangyan City.
		The headwork of the Dujiangyan Irrigation System consists mainly of three projects: Yuzui, which is a fish-mouth-like water-dividing dyke, Feishayan, which is a spillway for discharging flood and silt, and Baopingkou, which is a channel cut through Mt.Yulei as a water inlet.
		Feishayan spillway discharges flood and silt from the inner river to the outer river.
	www.beijingholidays.net /chengdu/attractions_dujiangyan.htm (426 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		The Dujiangyan irrigation system on the Min river is one of the oldest irrigation systems still in operation.
		It was formerly called the Fuqi Bridge (Husband and Wife Bridge) because it was built by a devoted couple and it is held together by locks that symbolize the pair's never-ending devotion.
		There is a large park area around Dujiangyan with various temples and pavilions sprinkled through the forest and gardens.
	www.thesalmons.org /lynn/Dujiangyan/Story.html (331 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		Dujiangyan is in the upstream of Binkou in the west of Kanshen, and is the huge water supply dam in ancient China.
		That to which the 3rd century of B.C., and "Gunsyu" and "Hyousui" commanded and built the public is Dujiangyan Irrigation System
		It is for consisting of three institutions, preventing a flood and protecting from a flood.
	contest2002.thinkquest.jp /tqj2002/50203/china-ao-2.htm (188 words)

	Urban Development Asia - responsibly planning the built environment (Site not responding. Last check: 2007-11-04)
		The city centre of Chengdu, the capital city of Sichuan Province, is surrounded by the Fu and Nan Rivers, which belong to the Dujiangyan Irrigation System and the Yangtze River System.
		The Dujiangyan Irrigation System has served the production and consumption needs for fresh water of the Chengdu plains and the city for more than 2200 years, forming the backbone of the area's social, economic and cultural development.
		Leaders of Dujiangyan, a city under Chengdu's jurisdiction, are applying to list their city's 2200-year-old Dujiangyan Irrigation Project and Mount Qingcheng, the birthplace of Taoism, the only religion indigenous to China, on the World Cultural and Natural Heritage List of the United Nations Educational, Scientific and Cultural Organization (Unesco).
	www.urbandevelopmentasia.com /article/index.php?articleid=45 (4281 words)

	China Cleans up World's Oldest Irrigation Scheme (Site not responding. Last check: 2007-11-04)
		Water flow in the inner canal, the "heart" of the irrigation system, was successfully blocked at 10:50 a.m.
		The Dujiangyan scheme, some 50 km from Chengdu, capital of Sichuan Province, is said to be the world's oldest irrigation project still operating, supplying water to more than 670,000 hectares of farmland at present.
		Wang Xueping, an official with the Dujiangyan Scenic Zone Administration, said the number of tourists to the zone had risen by 30 percent since October on a yearly basis, many of whom came to see the "real look" of the ancient scheme and how it was renovated.
	english.peopledaily.com.cn /200211/14/eng20021114_106771.shtml (627 words)

	Inside China - UNESCO Recognized World Heritage Sites of China
		Both Dujiangyan irrigation system and Qingcheng Mountain can be done as day trips from Chengdu, capital of Sichuan province.
		The two traditional villages of Xidi and Hongcun preserve to a remarkable extent the appearance of non-urban settlements of a type that largely disappeared or were transformed during the last century.
		Their street plan, their architecture and decoration, and the integration of houses with comprehensive water systems are unique surviving examples.
	www.imperialtours.net /heritage.htm (2578 words)

	Chinapac International Travel - chinapac.com - Dujiangyan
		The Dujiang Dam (Dujiangyan Irrigation System), put on the list of World Cultural and Natural Heritage in 2002, stands on the middle reaches of the Minjiang River northwest of Dujiangyan City, 40 kilometers to Chengdu.
		Qingcheng towers in Dujiangyan City, 60 kilometers northwest of Chengdu.
		The discovery of Sanxingdui predates 2,000 years of Sichuan's history and proves that the upper reaches of the Yangtze and the Yellow River region are the cradle of the Chinese civilization.
	www.chinapac.com /02Destination/03Cities/01Places/dujiangyan.asp (205 words)

	Dujiangyan Irrigation System in Chengdu
		A barrier was built to divide the force of the river and a trunk canal was cut through a mountain to irrigate the Chengdu plain.
		The Dujiangyan Irrigation System is recognized as a major landmark in the development of water management and technology and it is still discharging its function properly.
		At the end of 2000, the Dujiangyan Irrigation System was classified under the UNESCO World Cultural Heritage List.
	www.aguidetoasia.com /china/chengdu-dujiangyan-irrigation-system.php (244 words)

	Anlan Suspension Bridge, Dujiangyan, Sichuan Travel Guide, China \| AsiaExplorers (Site not responding. Last check: 2007-11-04)
		The Anlan Suspension Bridge crosses the Minjiang River bestriding the water of the Inner Canal and Outer Canal to connect Erwang Temple with the Dujiangyan Irrigation System.
		The general picture and functions of Dujiangyan irrigation system are all clear at a glance.
		I led a group of participants from AsiaExplorers to visit the Anlan Suspension Bridge when we were visiting the Dujiangyan Irrigation System.
	www.asiaexplorers.com /china/sichuan/anlan.htm (549 words)

	Mount Qingcheng and the Dujiangyan Irrigation System
		The Dujiangyan Irrigation System is a pearl in the water works construction of ancient China.
		The irrigation system was erected on the Minjiang River at the foot of Yulei
		The main system consists of three parts: a fish-mouth-like water-dividing dyke, two spillways for discharging flood waters and silt, and a channel cut through Yulei Mountain as a water inlet.
	www.china.org.cn /english/kuaixun/75140.htm (482 words)

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