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Spatial Pattern of Technological Innovation in the Yangtze River Delta Region and Its Impact on Water Pollution

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  • Jianwei Zhang

    (School of Resources, Environment and Tourism, Anyang Normal University, Anyang 455000, China)

  • Heng Li

    (School of Economics and Management, Huainan Normal University, Huainan 232038, China)

  • Guoxin Jiao

    (School of Resources, Environment and Tourism, Anyang Normal University, Anyang 455000, China)

  • Jiayi Wang

    (School of Resources, Environment and Tourism, Anyang Normal University, Anyang 455000, China)

  • Jingjing Li

    (School of Resources, Environment and Tourism, Anyang Normal University, Anyang 455000, China)

  • Mengzhen Li

    (School of Resources, Environment and Tourism, Anyang Normal University, Anyang 455000, China)

  • Haining Jiang

    (College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China)

Abstract

The impact of technological innovation on water pollution is an important parameter to determine and monitor while promoting and furthering a region’s economic development. Here, exploratory spatial data analysis was used to analyze: the spatial patterns of technological innovation and water pollution in the Yangtze River, the changes in technical innovation and the resulting changes in water pollution, and the impact of technological innovation on water pollution. The following major inferences were drawn from the obtained results: (1) The spatial pattern of innovation input has a single-center structure that tends to spread. The patent innovation output has evolved, from a single spatial pattern with Shanghai as the core to a diffusion structure with three cores-Hangzhou, Shanghai, and Nanjing. (2) The aggregation mode of water pollution has evolved from the original “Z” mode to a new mode of core agglomeration, and water pollution is constantly being reduced. (3) The trends of change in patent innovation output and innovation input are roughly the same, while the trends of both and that of water pollution are contrary to each other. (4) The correlations between innovation input, patented innovation output, and water pollution are relatively low. From the perspective of spatial distribution, the number of cities with medium and high levels of gray correlation with water pollution is the same.

Suggested Citation

  • Jianwei Zhang & Heng Li & Guoxin Jiao & Jiayi Wang & Jingjing Li & Mengzhen Li & Haining Jiang, 2022. "Spatial Pattern of Technological Innovation in the Yangtze River Delta Region and Its Impact on Water Pollution," IJERPH, MDPI, vol. 19(12), pages 1-20, June.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:12:p:7437-:d:841212
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