Journal
PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-WATER MANAGEMENT
Volume 173, Issue 4, Pages 163-171Publisher
ICE PUBLISHING
DOI: 10.1680/jwama.19.00016
Keywords
hydrology & water resource; planning & scheduling; town & city planning
Categories
Funding
- Chinese National Key Research and Development Program [2018YFC1508203]
- Chinese National Natural Science Foundation [51739011, 51879274]
- Research Fund of the China Institute of Water Resources and Hydropower Research [WR0145B502016, 2017ZY02]
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In the process of rapid urbanisation, maintaining urban water supplies and reducing flood risks are increasingly serious global problems. To address these issues, in 2013, the Chinese government proposed a development plan for 'sponge cities', which involves the implementation of various water management systems for natural storage, infiltration and cleaning of water in urban areas. In 2016, 30 pilot cities were identified. In the work reported in this paper, similarities and differences between the concept of sponge cities in China and overseas rainwater management systems were determined, considering that China could draw lessons from the latter. The construction characteristics of the pilot cities were analysed with regard to the different implementation measures in semi-arid, semi-humid and humid climatic zones to provide a reference for the selection of construction measures in different cities. Taking Xiamen as a case study, this study analysed whether the selection methods of annual runoff and pollution control in Xiamen would be sufficient to meet the implementation goals of sponge cities. The results showed that China's sponge city approach can effectively control urban rainfall-runoff and reduce runoff contaminants, although the plan should continually consider and adapt methods developed elsewhere.
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