西安建筑科技大学：《水资源利用与保护》参考资料_Wastewater as a resource_Water Reuse

Recycling and Reuse of Water Resources for the arid and water. Deficient Area in Western China ProfX C Wang School of Environmental Municipal Eng Xian Univ of Architecture Technology

Recycling and Reuse of Water Recycling and Reuse of Water Resources for the Arid and Water Resources for the Arid and Water￾Deficient Area in Western China Deficient Area in Western China Prof. X. C. Wang Prof. X. C. Wang School of Environmental & Municipal Eng. School of Environmental & Municipal Eng. Xi ’an Univ. of Architecture & Technology Univ. of Architecture & Technology

1. Western China and its Present Conditions

1. Western China and its 1. Western China and its Present Conditions Present Conditions

Location map of Western China 黑 west 气“严水自出区 北京北家 western chi (2Q: Sol 广壮族白 物剧行放区

Western China Western China (12 provinces) (12 provinces) Northwest Northwest Southwest Southwest Location map of Western China Location map of Western China

Basic data of Western China Western Whole country Area 6867 9,602 (000km2) Population 341 1248 (million) GDP 1,205,300 7,834,500 (million RMB) GDP per capita 3,535 6,278 (USS) Note: data based on 1998 statistics

Basic data of Western China Basic data of Western China Western Whole Country Area (’ 000 km 2 ) 6,867 9,602 Population (million) 341 GDP per capita (US$) 3,535 6,278 1,248 GDP (million RMB) 1,205,300 7,834,500 Note: data based on 1998 statistics

Rainfall in Western China 日 本 降水量(毫米) 3000 1600 , 800 8408最多一年降水量 5.9年降水量最小值 南海 南海诸

Rainfall in Western China Rainfall in Western China

Water resources in Western China Deficient Shortage Moderate Rich 浓入

Water resources in Western China Water resources in Western China Deficient Shortage Moderate Rich Richest

Land use in Western China 中国土地利用比重(1995年) 3 Paddy field Dry field Gobi

Land use in Western China Land use in Western China Paddy field Dry field Forest Grassland Desert Gobi

Water resources by province in Western China ater Region Province Resources Population Total Area Resources (km/yr) (000 (km) per Capita per A (m/yr) (m/km/yr) Inner mongolia 50.67 22.300 1,183,0002,2722 0.0428 Shaanx 44.19 35,700 205600 1,237.8 0.2149 Gansu 27.43 22.50 454,200 Northwest 1,216.4 0.0604 Ningxia 0.99 5,289 51,800 187.2 0.0191 Xinji 88.28 17,000 1,660,000 5,192.9 0.0532 Qinghai 4,956 721,20012,63520.0868 Sichuan 254.75 77,610 485,000 3,2824 0.5253 Chongqing 51.14 30.430 82.400 1,680.6 0.6206 Guizhou 103.50 36.060 176.100 2,870.2 0.5877 Southwest Yunnan 222.10 40,490 383.300 5,4853 0.5794 Guanxi 188.00 46.330 236,000 4,0578 0.7966 Tibet 448.202,2201,228,400201,89190.3649

Region Province Water Resources (km3/yr) Population ('000) Total Area (km2) Water Resources per Capita (m3/yr) Water Resources per Area (m3/km2/yr) Inner Mongolia 50.67 22,300 1,183,000 2,272.2 0.0428 Shaanxi 44.19 35,700 205,600 1,237.8 0.2149 Gansu 27.43 22,550 454,200 1,216.4 0.0604 Ningxia 0.99 5,289 51,800 187.2 0.0191 Xinjiang 88.28 17,000 1,660,000 5,192.9 0.0532 Qinghai 62.62 4,956 721,200 12,635.2 0.0868 Sichuan 254.75 77,610 485,000 3,282.4 0.5253 Chongqing 51.14 30,430 82,400 1,680.6 0.6206 Guizhou 103.50 36,060 176,100 2,870.2 0.5877 Yunnan 222.10 40,490 383,300 5,485.3 0.5794 Guanxi 188.00 46,330 236,000 4,057.8 0.7966 Tibet 448.20 2,220 1,228,400 201,891.9 0.3649 Northwest Southwest Water resources by province in Water resources by province in Western China Western China

PandL Uneven distribution of izuishanORDO S Shenmu regional water resources Yinchuan DE S E R Yulin地ean Jin a case of shaanxi Province taiyuan fuzhong Lishi Average: 1,200 ianshuibu Liangzhen Liulin SHAL YAnchuan rongxin Yan’an Jiexiu m/yrperson Qiang T aibai: CHIN Chan Southern part (Yangtze xiji c-iin, River basin area more ning archer ig Jinche than 2, 000 m/yr person SHA Sanmen Northern part (Yellow Guanzhong plaid Luoyang River Basin area): 490 hekoypiangkging Mo'n. Jdu deyang Shanyang Pingdi m/yrperson Har igda g Nayant Guanzhong Plain area: 上nG Dan 290 m/yrperson Guangyuan Ziyang hr ryan zoya suppliers. Fangxian 1089 110

Qing Ling Mountain ng Mountain Guanzhong anzhong Plain Yellow River Bas Yellow River Basin Yangtze River Basin Yangtze River Basin Uneven distribution of Uneven distribution of regional water resources regional water resources - a case of a case of Shaanxi Shaanxi Province Province ¾ Average: 1,200 m3/yr·person ¾ Southern part (Yangtze River Basin area): more than 2,000 m3/yr·person ¾ Northern part (Yellow River Basin area): 490 m3/yr·person ¾ Guanzhong Plain area: 290 m3/yr·person

2. Strategy of Water Reuse to Solve Water Shortage Problem

2. Strategy of Water Reuse to 2. Strategy of Water Reuse to Solve Water Shortage Problem Solve Water Shortage Problem