| This article has been：Browse 1731Times Download 3469Times |
|
|
|
| DOI： |
|
| Using the Theory of Water Footprint to Assess Water Scarcity: A Case Study |
|
HU Bin, LIU Junguo, ZHAO Dandan, ZHAO Xu
|
|
School of Nature Conservation, Beijing Forestry University, Beijing 10083, China;School of Environmental Science and Engineering, South University of Science and Technology of China, Shenzhen 518055, China; Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education,College of Environment, Hohai University, Nanjing 210098 , China
|
| Abstract: |
| The skiing in the 2022 Beijing Olympic Winter Games will be hold in the Chongli district, Zhangjiakou City, and the increased visitors attracted by the event to this area is likely to exert extra pressure on the already fragile water supply in this region. In this paper, we analyzed the water scarcity in this region using the principle of improved water footprint which has been widely used to manageregional water resource. We calculated the water consumption and water stress in Chongli from 2006 to 2015. The results showed that the average water footprint in Chongli from 2006 to 2015 was 62.32×106 m3, including 33.90×106 m3 of blue water footprint, 28.42×106 m3 of green water footprint and 26.86×106 m3 of grey water footprint. Crops consumed the largest proportion of the blue water footprint and all the green water footprints, while livestock farming used 57% of the grey water footprint. The average water quantity scarcity index (Iblue) was 2.19, meaning a severe water scarcity, while the average water quality scarcity index (Igrey) was lower than the threshold of unity. The monthly Iblue from May to July was higher than in other months, especially in May inwhich Iblue peaked at 5.86. Although the current water situation in Chongli is good, the water resources is scarce and improving water management to sustainwater consumption is necessary. |
| Key words: water footprint; water scarcity assessment; Quality-induced water scarcity; Beijing Olympic Winter Games |
|
|
