Management of Flood Control for the Yangtze River Basin

Management of Flood Control for Management of Flood Control for the Yangtze River Basinthe Yangtze River Basin

March 2011March 2011March 2011

Changjiang Water Resources Commission MWRChangjiangChangjiang Water Resources Commission MWRWater Resources Commission MWR

Location of the Yangtze River Basin in ChinaLocation of the Yangtze River Basin in China

湘资

江水江

沅

澧水

汉

江

嘉

陵

江雅

砻

江

岷

江

乌

江

洞洞庭庭湖湖

鄱鄱阳阳湖湖

太太湖湖

长长

江江

鄱阳湖

太湖

洞庭湖

洞庭湖

鄱阳湖

鄱阳湖

太湖太湖

赣

江

抚

河

Length:6300km

Area:1.8 m km2

Map of the Yangtze River BasinMap of the Yangtze River Basin

The Yangtze River Basin is the birthplace of the Chinese nation,The Yangtze River Basin is the birthplace of the Chinese nation,

and a region of tremendous overall economic strength.and a region of tremendous overall economic strength.

Area: 1.8 million kmArea: 1.8 million km22, about 1/5 of china, crossing south, about 1/5 of china, crossing south--west, west,

central and East parts, passing 19 provinces (autonomous regionscentral and East parts, passing 19 provinces (autonomous regions, ,

municipality)municipality)

Population: 427 million, 33.4% of total of ChinaPopulation: 427 million, 33.4% of total of China

Water Resources: 996 billion Water Resources: 996 billion mm33, 36.5% of total of China, 36.5% of total of China

Theoretic water resource potential: 277.8 GW, 40% of total Theoretic water resource potential: 277.8 GW, 40% of total

GDP:317 million RMB,GDP:317 million RMB, 35.5% of total of China35.5% of total of China

Policies and Principles for flood protection Policies and Principles for flood protection

Policies: Storage and discharge concurrently, Policies: Storage and discharge concurrently, dominated by dischargedominated by discharge

Principles: Benefiting both the river and the lake, Principles: Benefiting both the river and the lake, considering both banks concurrently, andconsidering both banks concurrently, andcoordinating between the upper, middle and thecoordinating between the upper, middle and thelower streamlower stream

修水

赣江

抚河

信江

饶河

湖口

汉口

汉江

洪湖

鄱阳湖

城陵矶藕池河

虎渡河

松滋河

清江乌

江

嘉陵江

岷江

澧水沅水 资

水湘水

重庆 沙市

南京上海

洞庭湖

金沙江梯级

三峡工程

宜昌

紫坪铺

丹江口水库

柘林

万安

峡江

廖坊

水布垭

皂市 五

强溪

柘溪

华阳河分蓄洪区

亭子口

鄱阳湖

洞庭湖

Sketch of Flood Control System for the Yangtze RiverSketch of Flood Control System for the Yangtze River

Integrated measures for flood controlIntegrated measures for flood control，，the whole system consists of Three Gorges the whole system consists of Three Gorges DikesDikes，， Reservoirs, Flood Detention Areas, River Training and other Reservoirs, Flood Detention Areas, River Training and other nonnon--structural structural measures.measures.Dikes Reservoirs

Three GorgesFlood Detention Areas River Training

Non-structural measure is the important component part of the Yangtze flood control system.

Flood Fighting InformationFlood Fighting Information

11

22

33 Various Laws and RegulationsVarious Laws and Regulations

Flood Forecasting and Warning SystemFlood Forecasting and Warning System

NonNon--structural measuresstructural measures

Important Roles forImportant Roles for the Yangtze River caused by the Yangtze River caused by Three Gorges Project :Three Gorges Project :

Flood ControlFlood ControlFlood control volume:22.15 billion mFlood control volume:22.15 billion m33..In 2010,Inflow Peak Discharge: 70000mIn 2010,Inflow Peak Discharge: 70000m33/s/sRelease discharge: about 40000mRelease discharge: about 40000m33/s/s

Power GenerationPower GenerationTotal capacity:18.2million kilowattsTotal capacity:18.2million kilowattsDesigned Annual power generation: 84.7 billion kilowatts hoDesigned Annual power generation: 84.7 billion kilowatts hours.urs.In 2010, power generation: 84.3 In 2010, power generation: 84.3 billion kilowatts hours.billion kilowatts hours.

Important Roles forImportant Roles for the Yangtze River caused by the Yangtze River caused by Three Gorges Project :Three Gorges Project :

NavigationNavigationImproving the water way conditions, navigation in the upper Improving the water way conditions, navigation in the upper

and middle reaches well developed.and middle reaches well developed.In 2010, 77.8 million tons cargo passed the ship lock, which is In 2010, 77.8 million tons cargo passed the ship lock, which is much more than the expected. much more than the expected.

Water supplyWater supplyDuring the dry seasons, much more water is released for During the dry seasons, much more water is released for

navigation, irrigation, water supply, and ecosystem.navigation, irrigation, water supply, and ecosystem.From Dec. 2010 to Feb. 2011, more than 6 billion cubic mater From Dec. 2010 to Feb. 2011, more than 6 billion cubic mater water released than natural condition. water released than natural condition.

Three Gorges Reservoir

Releasing from Three Gorges Dam in 2010

Basic philosophy in new era:Basic philosophy in new era:Ensuring the health Yangtze, PromotingEnsuring the health Yangtze, Promotingthe harmony between human and naturethe harmony between human and nature

Basic requirement of flood protection and Basic requirement of flood protection and disaster mitigation of the Yangtze in new era : disaster mitigation of the Yangtze in new era :

Harmonious relation of human and waterHarmonious relation of human and water

Now what we are convince of Now what we are convince of

The idea of harmonious relation between human and flood The idea of harmonious relation between human and flood must be set up firmly in concept. must be set up firmly in concept.

Only when human and flood struggle for the existing living Only when human and flood struggle for the existing living space, flood will cause losses and disasters to human. space, flood will cause losses and disasters to human.

Flood is a kind of natural phenomenon with its inherent laws Flood is a kind of natural phenomenon with its inherent laws of production, development and motion. of production, development and motion.

The relationship between control and management shall be The relationship between control and management shall be treated properly in action. treated properly in action.

On the premise of safeguarding flood protection, the flood On the premise of safeguarding flood protection, the flood shall be utilized as far as possible. shall be utilized as far as possible.

The flood risk shall be taken appropriately and the risk The flood risk shall be taken appropriately and the risk management shall be performed. management shall be performed.

Flood control is the precondition and foundation of flood Flood control is the precondition and foundation of flood management. management.

Now what we are convince of Now what we are convince of

11、、 Coordination of five relations Coordination of five relations

Relationship between storage and dischargeRelationship between storage and discharge

Relationships between rivers and lakesRelationships between rivers and lakes

Relationship between upstream and downstreamRelationship between upstream and downstream

Relationships between stem streams and tributaries Relationships between stem streams and tributaries

Relationship between human and waterRelationship between human and water

22、、Persisting in keeping harmony between Persisting in keeping harmony between human and water, giving the way to flood human and water, giving the way to flood

Flood defense works construction and socioFlood defense works construction and socio--economiceconomicconstructionconstruction

Ensuring the safety of key areas and giving consideration toEnsuring the safety of key areas and giving consideration tocommon onescommon ones

Structural measures and nonstructural measuresStructural measures and nonstructural measures

Flood harnessing and ecological environment improvement.Flood harnessing and ecological environment improvement.

33、、Strengthening construction of flood defense Strengthening construction of flood defense works continuously works continuously

Strengthening the dike constructionStrengthening the dike construction

Speeding up the construction of flood detention areasSpeeding up the construction of flood detention areas

SStrengthening the river improvementtrengthening the river improvement

SStrengthening continuously the reservoir construction andtrengthening continuously the reservoir construction andreinforcement reinforcement

44、、Exploring flood risk management positively Exploring flood risk management positively

Studying the flood risk according to the importance of eachStudying the flood risk according to the importance of eachprotected objectprotected object

Taking into consideration the combined regulation ofTaking into consideration the combined regulation ofreservoirs including the Three Gorgesreservoirs including the Three Gorges

Organizing Organizing carefullycarefully and and wellwell ccarrying out the dynamicarrying out the dynamicregulation of flood control water level of reservoirregulation of flood control water level of reservoir

Strengthening Strengthening planning and management of land developmentplanning and management of land developmentand utilization in the areas liable to mountain torrentsand utilization in the areas liable to mountain torrents

谢谢！谢谢！Thank you!Thank you!