中国城镇化对经济增长及用水变化的驱动效应——基于省级行政区1997-2011年数据的分析（英文）

发布时间：2017-07-26 21:16

  本文关键词：中国城镇化对经济增长及用水变化的驱动效应——基于省级行政区1997-2011年数据的分析（英文）

  更多相关文章： urbanization economic growth water demand complete decomposition model spatiotemporal difference water resources compensation

【摘要】：As one of the key issues in China's sustainable development, rapid urbanization and continuous economic growth are accompanied by a steady increase of water consumption and a severe urban water crisis. A better understanding of the relationship among urbanization, economic growth and water use change is necessary for Chinese decision makers at various levels to address the positive and negative effects of urbanization. Thus, we established a complete decomposition model to quantify the driving effects of urbanization on economic growth and water use change for China and its 31 provincial administrative regions during the period of 1997 2011. The results show that,(1) China's urbanization only contributed about 30% of the economic growth. Therefore, such idea as urbanization is the major driving force of economic growth may be weakened.(2) China's urbanization increased 2352×108 m3 of water use by increasing the economic aggregate. However, it decreased 4530×108 m3 of water use by optimizing the industrial structure and improving the water use efficiency. Therefore, such idea as urbanization is the major driving force of water demand growth may be reacquainted.(3) Urbanization usually made greater contribution to economic and water use growth in the provincial administrative regions in east and central China, which had larger population and economic aggregate and stepped into the accelerating period of urbanization. However, it also made greater contribution to industrial structure optimization and water use efficiency improvement, and then largely decreased total water use. In total, urbanization had negative effects on water use growth in most provincial administrative regions in China, and the spatiotemporal differences among them were lessened on the whole.(4) Though urbanization helps to decrease water use for China and most provincial administrative regions, it may cause water crisis in urban built-up areas or urban agglomerations. Therefore, China should construct the water transfer and compensation mechanisms between urban and rural areas, or low and high density urban areas as soon as possible.
【作者单位】： Institute
【关键词】： urbanization economic growth water demand complete decomposition model spatiotemporal difference water resources compensation
【基金】：National Social Science Foundation of China,No.13&ZD027 National Natural Science Foundation of China,No.41101538
【分类号】：TV213.4;F299.21;F124
【正文快照】： 1 IntroductionUrbanization is a dynamic process of relocating the population from relatively low densityrural areas to very high density urban areas,with a transformation from an agricultural basedeconomy to the manufacturing workshop(Bao and Fang,2012).

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