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Home , Chongzhou, Dujiangyan, Dujiangyan City, Guanghan, Jinniu District, Leshan

20-02-2020

Introduction Analysis on System Headwork of the Dujiangyan Irrigation System in 1910 and its sustainable development experience Length：500M Include： Baizhang Dike and Jingang Dike Fish mouth headwork

Wide：200m Function ：Water diversion and sediment discharge Flying Sand Weir

Wide：17～23m Function： water diversion Liu Jiangang and sluice control Institute of Water Resources and Hydropower Research, Bottle Neck Canal

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Introduction

PART 01 Introduction • Irrigation Area of Dujiangyan Irrigation System

City County PART 02 History Dujiangyan, Pi, , Wenjiang, Shuangliu, Tianfuxinqu, Xinjin, Longquanyi, Xindu, Qingbaijiang, CONTENTS City Jintang, , Dayi, Qionglai, Jianyang, Wuhou, PART 03 Irrigation System Qingyang, Jinniu, Jinjiang, Chenghua, Gaoxin Pengshan, Renshou, Qingshen, Dongpo City PART 04 Management experience , , , Jingyang, Luojiang, City Zhongjiang PART 05 Value An, Fucheng, Santai City Suining City , Daying City Yanjiang City Kaiyan

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Introduction History ◆ The headworks of the Dujiangyan Irrigation System is located in the city of Dujiangyan creation and improvement of the project high-speed development ◆ The irrigation system was built in ◆ In 256 BC, Bing, the governor of the ◆ From 1949 to the present, the Dujiangyan Prefecture, started to build the Dujiangyan Irrigation System experienced large-scale 256 BC Irrigation System 2 transformations and showed quick ◆ In over 2,200 years, it played a ◆ In AD 662, the Flying Sand Weir was development huge supportive role to local completed, which signified the formation ◆ The irrigation area has already reached economic and social development of the distribution of the three major 710,000 ha in 38 counties in 7 cities today projects of the headworks and left rich water culture heritage to later generations ◆ It is a monument in the history of relatively stable area the development of water ◆ During the Tang (AD 618–907) and Song (AD 960– conservancy projects in China 1279) dynasties, ancient China achieved ◆ Its canals have the benefits of 1 prosperity. As a result, the irrigation area of the 3 irrigation, flood prevention and Dujiangyan project quickly expanded to cover 12 control, and water transport counties ◆ By the end of 1940s, the project provided irrigation water to 188,000 ha of farmland in 14 “water is under control and man does not know what famine is” counties on the

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Irrigation System Management experience

• In various historical periods, multiple management types have brought orderly management and full vigor to the Dujiangyan Irrigation System • The management of the irrigation system involves both highly-centralized administrative system ◼ The Dujiangyan Irrigation System is an engineering system that consists of headwork, and non-government resources allows all benefited parties to bear their respective management water diverting channels at various levels in responsibilities and corresponding obligations irrigation , ponds, weirs ◼ The project has created a water environment management characterized by crisscrossing rivers and densely-distributed ponds, lakes and swamps on the Chengdu Plain and farmlands Administrative Year-old repair water organ project consumption

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Irrigation System a special agency in the Inventory List of Dujiangyan Irrigation System Management experience Numb Heritage Item Name Location er watershed management in the Three Fish Mouth Levee 1 Dujiangyan began to set up special Kingdoms, Shu and Han Dynasty Headwork Flying Sand Weir 1 Dujiangyan City Bottle Neck Canal 1 Dujiangyan City administrative organs in Han Dynasty, and Total 111 Water administration system was Puyanghe River 1 Dujiangyan City Dujiangyan set up Water Conservancy Office in formed in Sui and Tang Dynasties Main Canals and Baitiaohe River 1 Dujiangyan City Zoumahe River 1 Dujiangyan City Yongzheng period, and Yamen set up in Guan Sub-Main Canals Jiang’anhe River 1 Dujiangyan City Shagouhe River 1 Dujiangyan City County (now Dujiangyan city) Year-old Repair System in the Song Heishihe River 1 Dujiangyan City Gufoyan Weir Dynasty Branch Canal 260 Field Ditches at Various Levels Below Branch Canal Many irrigation system area Water Conservancy Office in Qing Yangliuhe River 1 Dujiangyan City Dynasty Baimayan Weir 1 Dujiangyan City Yangliuhe River 1 Important Dalangyan Weir 1 , Xinjin County Gradual Evolution of the Republic of Projects of Gufoyan Weir 1 Shuangliu,Pengshan,Renshou China Branch Canals Jiulidi 1 and Those Below Zhulihuoyan Weir 1 Shifang County This level Qiangongyan Weir 1 Chongzhou City,,Xinjin County, Qionglai County Huoshaoyan Weir 1 Gaoxin District Zhugejing Well 1 Water Water Weir Sanbodong Canal 1 Dujiangyan City Conservancy Water Conse Engineering Conservancy Management Erwang Temple 1 Dujiangyan City Governor's rvancy Burea Agency Buildings for Commission Office Sacrifice and Fulong Temple 1 Dujiangyan City Office u Worship Water Resources Administration Office 1

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Irrigation System Management experience

Year-old repair project Inner river Outer river

Yangtianwo gate Shahei gate River dredging Pubo gate Zoujiang gate Annual repair of main canal(Governmental weir) old repair old repair - River River River River River River Annual repair of folk weir Year Dike and weir Heishihe Zoumahe Puyanghe Shagouhe Jiang’anhe Baitiaohe engineering

◆ The generation of weir or trench managers can be roughly divided into Canal System（Before 1950） voting system and rotation system

Puyanghe River Baitiaohe River Zoumahe River Jiang’anhe River Shagouhe River Heishihe River 9 12

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Management experience

During its 2000 years of sustainable utilization, Dujiangyan Weir has generated rich irrigation culture

➢ This magnificent building is Er’wang Temple, the weir temple ➢ In the 3rd century, to encourage the development of agriculture, the central government of China enshrined as the water god and worshipped him on the national level ➢ In the , Er’wang Temple was where the government officials and weir managers met to discuss project management issues and solve water use conflicts

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value

It was innovative in its ideas at the time of its construction; It contributed to the evolution of efficient and contemporary engineering theories and practices

It was ahead of its times in terms of project formulation, engineering design, construction techniques, and structure It was unique in some positive and dimensions; it was an example of constructive way engineering marvel at the time of its construction

Value Its enormous benefits have lasted until It is an outstanding example of Operation & today Management over a long period of time

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THANK YOU

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