Abstract
The contradiction between increasing demand and current supply has affected the healthy development of industry. Investigating the key influence factors of industrial water use change has important practical significance for water resource management. In this study, the authors propose the vector autoregression model to analyze the dynamic influences of industrial development, technological progress, and environmental protection on industrial water use change, and take Jiangsu Province, China as a case study. Results show that each of the factors had different effects during 2001–2015, in which industrial development was the greatest contributor to the change of industrial water use and showed a positive effect in the forecast period; technological progress played a major role in reducing industrial water use, but the negative effect weakened periodically over time; environmental protection also had a positive influence in the early forecast period, and then showed a marginal effect with time. Results of this study could assist the relevant authorities to formulate appropriate industrial development planning and water saving policies, and to reasonably control the industrial water demand.
Highlights
Water plays a crucial role in different production processes
According to the annual data of the variables, we depict the trends of industrial water use, industrial output, water use per unit of industrial output, and environmental regulation strength
Jiangsu Province of China as the typical study area to examine the dynamic relationship between industrial water use and its key influence factors by using the vector autoregression (VAR) model
Summary
Water plays a crucial role in different production processes. According to its function and purpose, industrial water use can be classified as production water use, cooling and thermal water use, and miscellaneous water use [1,2]. Over the recent decades, multi-purpose water management has reflected the different functions provided by rivers, which can be complementary or conflicting [10]. This calls for more integrated water resource management. The implementation of various effective measures of integrated water resource management, to alleviate the constraints of water shortages on economic and social development, can be categorized as structural measures (water conservancy projects, such as building dams and water transfers) and non-structural measures (water resource management, such as formulating water saving regulation). Due to financial and environmental restrictions, a water shortage crisis is more likely to be solved through water resource management strategy than by building water
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