Basin Water Sensitivity and Its Impact on Spatial Expansion: A Case Study of the Taihu Basin, China
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Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
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School of Water Resources and Hydropower Engineering, North China Electric Power University, 2 Beinong Rd., Changping, Beijing 102206, China
3
Department of Resource and Environment, University of Chinese Academy, Beijing 100049, China
4
National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(24), 10353; https://doi.org/10.3390/su122410353
Received: 4 November 2020 / Revised: 30 November 2020 / Accepted: 2 December 2020 / Published: 11 December 2020
(This article belongs to the Special Issue Urban Management Based on the Concept of Sustainable Development)
Water is the most important and sensitive factor controlling urban development in basins. This paper developed a novel approach to construct a Basin Water Sensitivity Index (BWSI) from the perspective of integrated basin management. The correlation between the spatial expansion of development and water sensitivity over the past 30 years in the Taihu Basin was analyzed using BWSI and urban development data. The analysis found that, (1) from 1985 to 1995 the spatial expansion of developed areas in the Taihu Basin was unrelated to BWSI; (2) from 1995 to 2007 the expansion intensity decreased with an increase in BWSI; and (3) from 2007 to 2017 there was a significant increase in the spatial development expansion intensity and the area of expansion was concentrated in low BWSI areas, while the constraints of water sensitivity on spatial expansion were more obvious than in previous years. The analysis illustrated how BWSI affected spatial growth in a basin and this research can be used to help formulate a spatial growth management policy that includes water sensitivity and provides a scientific basis for coordinating the relationship between economic and social development with water resources and the environment.
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Keywords:
Basin Water Sensitivity Index; hydrological processes; regional evaluation; water resources
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MDPI and ACS Style
Sun, W.; Wang, Y.; Chen, W.; He, B.; Liu, C.-G. Basin Water Sensitivity and Its Impact on Spatial Expansion: A Case Study of the Taihu Basin, China. Sustainability 2020, 12, 10353. https://doi.org/10.3390/su122410353
AMA Style
Sun W, Wang Y, Chen W, He B, Liu C-G. Basin Water Sensitivity and Its Impact on Spatial Expansion: A Case Study of the Taihu Basin, China. Sustainability. 2020; 12(24):10353. https://doi.org/10.3390/su122410353
Chicago/Turabian StyleSun, Wei, Yi Wang, Wen Chen, Bin He, and Chong-Gang Liu. 2020. "Basin Water Sensitivity and Its Impact on Spatial Expansion: A Case Study of the Taihu Basin, China" Sustainability 12, no. 24: 10353. https://doi.org/10.3390/su122410353
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