西安建筑科技大学：《水资源利用与保护》学习资料_中国水资源_Water resource in Xian

Water resource in Xian By Ting-lin HUANG School of Environmental and Municipal Engineering Xi'an University of Architecture and Technology · Fine Print pdfFactory···· PdfhtTp://www.fineprint.com

1 By Ting-lin HUANG School of Environmental and Municipal Engineering Xi•an University of Architecture and Technology • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

Water resources in Xi an 5 Overview of water resource in Xian Water resources: surface water Water resources: ground water Case study: The project of water transferring from Heihe river etc to Xi'an Water demand of xi'an in 2010 · Fine Print pdfFactory···· PdfhtTp://www.fineprint.com

2 Water resources in Xi,an ’ Overview of water resource in Xi￾an ’ Water resources: surface water ’ Water resources: ground water ’ Case study: The project of water transferring from Heihe River etc. to Xi￾an ’ Water demand of Xi￾an in 2010 • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

Overview of the water resource in Xian The annual total volume of water resource 26.66×108m Annual surface water volume: 21.78X108m3 Annual ground water volume: 17.27X108m Overlap between above two parts 12.39×108m3 · Fine Print pdfFactory···· PdfhtTp://www.fineprint.com

3 ￾ The annual total volume of water resource: 26.66 ￾ 108 m3 ; ￾ Annual surface water volume: 21.78￾ 108m3 ￾ Annual ground water volume: 17.27￾ 108m3 ￾ Overlap between above two parts: 12.39￾ 108m3 . Overview of the water resource in Xi•an • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

Precipitation of Xi an from 1999-2000 The annual average precipitation of Xi'an is 74 5mm ■2000■1999口 annual average 800 700 600H 500H (mm)400 300 200 100 0 the city Zhouzhi Huxian Changan Lantian Gaoling Lintong zone county coun county county county county .Fineprintpdffactory......pdfhttp://www.fineprint.com

4 Precipitation of Xi•an from 1999~2000 0 100 200 300 400 500 600 700 800 (mm) the city zone Zhouzhi county Huxian county Changan county Lantian county Gaoling county Lintong county 2000 1999 annual average The annual average precipitation of Xi￾an is 745mm. • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

Surface water resources There are 54 rivers in Xi' an area The river system consist of Weihe River, Heihe River. Bahe River. Chanhe River and so on The annual average surface water volume is 21.78×108m3 ·FinePrintpdfFactory,·····PdfhTtp:/www.fineprint.com

5 Surface water resources ’ There are 54 rivers in Xi×an area. ’ The river system consist of Weihe River, Heihe River, Bahe River, Chanhe River and so on. ’ The annual average surface water volume is 21.78￾ 108 m3 . • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

Exploitation of surface water resource Annual Annual runoff ter used Water used River Average amount available water by the City by agriculture (10m3/a) (10°m3a) (10m3a)(109m3a) Heihe river 6.67 4.818 0.3258 0.5085 Shitouhe 4.48 0.948 1.0300 0.2833 River Fengyu River 4.57 2.924 0.0807 0.1394 Tianyu River 0.909 0.521 0.1306 0.0110 Shibianyu 0.841 0.250 0.2516 0.2300 River Chanhe River 57 0.27002692 Total 19049781201122 .Fineprintpdffactory......pdfhttp://www.fineprint.com

6 Total 19.0434 9.731 2.0879 1.1722 Chanhe River 1.57 0.270 0.2692 ------ 0.841 0.250 0.2516 0.2300 Shibianyu River Tianyu River 0.909 0.521 0.1306 0.0110 Fengyu River 4.57 2.924 0.0807 0.1394 4.48 0.948 1.0300 0.2833 Shitouhe River Heihe River 6.67 4.818 0.3258 0.5085 Water used by agriculture (108m3 /a) Water used by the City (108m3 /a) Annual Average available water (108m3 /a) Annual runoff amount (108m3 /a) River Exploitation of surface water resource • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

of hanhe River(1 The low cut-off dam and the intake located at Tianjiawan, east suburb of xian Water capability caught by the dam is12×104m3/d · Fine Print pdfFactory···· PdfhtTp://www.fineprint.com

7 Low cut - off dam and wat er intake of Chanhe River(1) The low cut -off dam and the intake located at Tianjiawan , east suburb of Xi •an. Water capability caught by the dam is 12 ￾ 104 m 3 / d . • FinePrint pd fFactor y •••••• PDFhttp://www.fineprint.com

Water intake of Chanhe River(2) FinePrint pdfFactory.... PdfhtTp://www.fineprint.com

8 Water intake of Chanhe River(2) • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

o Five ground water resources in Xi'an: Bahe-Chanhe Source, Fenghe- Zaohe Source, Weihe Source, Northwest suburb Source and Duancun Village Source Al the ground water resources are all located near rivers and recharged by both surface runoff and underground runoff Annual ground water volume: 17.27x108m3/a FinePrint pdfFactory.... PdfhtTp://www.fineprint.com

9 Ground water resource ’ Five ground water resources in Xi‰an: Bahe- Chanhe Source, Fenghe- Zaohe Source, Weihe Source, Northwest suburb Source and Duancun Village Source. ’ All the ground water resources are all located near rivers and recharged by both surface runoff and underground runoff. ’ Annual ground water volume: 17.27￾ 108m3/a • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com

Exploitation of ground water resour Overload of Annual available Exploited wat exploited Ground water source water volume volume (108m3/a (108m3/a) water olume (10°m3/a Chanhe river 0.0219 0.0256 0.0037 Bahe river 0.3781 0.4004 0.0223 Fenghe River 0.3653 0.4534 0.1028 Zaohe river 0.1909 Northwest suburb 0.5778 Along the Weihe 0.8587 0.1875 River 0.4684 Duancun Village 0.1000 0.0580 0.0420 Total 1.8121 2.0864 0.274 · Fine Print pdfFactory···· PdfhtTp://www.fineprint.com

10 0.2743 -0.0420 0.1875 0.1028 0.0223 0.0037 Overload of exploited ground water volume (108m3/a) Total 1.8121 2.0864 Duancun Village 0.1000 0.0580 0.4684 Along the Weihe River 0.5778 0.8587 Northwest suburb Zaohe River 0.1909 0.3653 0.4534 Fenghe River Bahe River 0.3781 0.4004 Chanhe River 0.0219 0.0256 Exploited water volume (108m3/a) Annual available water volume (108m3/a) Ground water source Exploitation of ground water resource • FinePrint pdfFactory •••••• PDFhttp://www.fineprint.com