水生态文明建设背景下长江经济带水足迹变化研究

doi:10.11988/ckyyb.20210025

长江科学院院报 ›› 2021, Vol. 38 ›› Issue (6): 160-166.DOI: 10.11988/ckyyb.20210025

• 长江技术经济学会2020年学术年会暨长江治理与保护科技创新高端论坛专栏 • 上一篇

水生态文明建设背景下长江经济带水足迹变化研究

朱振亚^1,2, 潘婷婷^1,2, 杨梦斐^1,2, 朱秀迪^1,2, 李志军^1,2, 李红清^1,2

1.长江水资源保护科学研究所,武汉 430051;
2.长江水利委员会湖库水源地面源污染生态调控重点实验室,武汉 430051

收稿日期:2021-01-07 修回日期:2021-03-01 出版日期:2021-06-01 发布日期:2021-06-10
作者简介:朱振亚(1987-),男,安徽六安人,工程师,博士,主要从事水利水电工程环境影响评价、资源环境管理与政策研究。E-mail:zhenya_zhu@126.com
基金资助:
水利部预算项目“长江流域片生态水量(流量)监督管理(水生态文明建设)”

Changes of Water Footprint in Yangtze River Economic Belt under the Background of Water Ecological Civilization Construction

ZHU Zhen-ya^1,2, PAN Ting-ting^1,2, YANG Meng-fei^1,2, ZHU Xiu-di^1,2, LI Zhi-jun^1,2, LI Hong-qing^1,2

1. Changjiang Water Resources Protection Institute, Wuhan 430051, China;
2. Key Laboratory of Ecological Regulation of Non-point Source Pollution in Lake and Reservoir Water Sources, Changjiang Water Resources Commission, Wuhan 430051, China

Received:2021-01-07 Revised:2021-03-01 Published:2021-06-01 Online:2021-06-10

摘要/Abstract

摘要： 水生态文明是生态文明的重要组成和基础保障。在水生态文明建设背景下,调查2007年、2012年和2017年长江经济带各省市生产、生活、生态用水量和进出口贸易等数据,核算区域水足迹总量构成及变化,分析区域水足迹供需结构演变,评价区域水资源压力和用水效率。结果表明,水生态文明建设后,长江经济带水足迹增速下降明显,水足迹总量得到了有效控制,其中中部三省的节水效果最为明显。水足迹存在明显的人口和经济规模效应。农业用水是水足迹的主体部分,生态用水所占比重较小,虚拟水贸易的消减效应逐渐减弱。工业用水的节水效应较为明显,而农业和生活用水的效率需进一步提高。区域水资源以自给为主,东部省市水资源进口依赖度高于西部和中部省市。区域水资源需求量稳中有升,需求结构保持相对平稳。区域水资源压力总体较小,水资源承压情况由西向东逐渐增加。区域用水效率逐步提升,中部和西部省市用水效率明显改善。该研究能够作为最严格水资源管理制度“三条红线”的补充,为长江经济带水资源开发利用和保护提供参照。

关键词: 水足迹, 长江经济带, 时空变化, 水生态文明, 水资源

Abstract: Water ecological civilization is an important component and basic guarantee of ecological civilization. Under the background of water ecological civilization construction, the composition and change of total water footprint in the Yangtze River economic belt were calculated by investigating data of production water consumption, domestic water consumption, ecological water consumption and imports and exports of provinces and cities in the region in 2007, 2012 and 2017. The evolution of regional water footprint supply and demand structure was analyzed, and the regional water resource pressure and water use efficiency were also evaluated. Results demonstrated that the growth of regional water footprint attenuated remarkably after the construction of water ecological civilization, and the total water footprint was effectively controlled; in particular, the water saving effect in three central provinces was most notable. Population and economic scale exerted evident impact on water footprint. Agricultural water consumption constitute the main part of water footprint, while ecological water use accounted for a small proportion, and the reducing effect of virtual water trade was gradually weakened. The water saving effect on industrial water was apparent, whereas the efficiency of agricultural and domestic water use needed to be further improved. Regional water resources were mainly self-sufficient. Eastern provinces’ dependency on water resources import was higher than that in western and central provinces. The regional demand for water resources increased steadily, and the demand structure remained relatively stable. The pressure on regional water resources was generally small, increasing from the west to the east. The regional water use efficiency has been gradually improved, particularly in central and western provinces. The research findings can be used as a supplement to the “three red lines” of the most stringent water resources management system, and be taken as a reference for the development, utilization and protection of water resources in the Yangtze River economic belt.

Key words: water footprint, Yangtze River economic belt, spatial-temporal variations, water ecological civilization, water resource

中图分类号:

P967

朱振亚, 潘婷婷, 杨梦斐, 朱秀迪, 李志军, 李红清. 水生态文明建设背景下长江经济带水足迹变化研究[J]. 长江科学院院报, 2021, 38(6): 160-166.

ZHU Zhen-ya, PAN Ting-ting, YANG Meng-fei, ZHU Xiu-di, LI Zhi-jun, LI Hong-qing. Changes of Water Footprint in Yangtze River Economic Belt under the Background of Water Ecological Civilization Construction[J]. Journal of Yangtze River Scientific Research Institute, 2021, 38(6): 160-166.

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水生态文明建设背景下长江经济带水足迹变化研究

Changes of Water Footprint in Yangtze River Economic Belt under the Background of Water Ecological Civilization Construction

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