China＇s Sponge City construction： A discussion on technical approaches
China＇s Sponge City construction： A discussion on technical approaches作者机构：School of Environment Tsinghua University Beijing 100084 China Beijing Orient Tetra Tech Ecological Technology Ltd. Beijing 100051 China Tetra Tech Fairfax VA 22030 USA Department of Civil & Environmental Engineering University of Virginia Charlottesville VA 22904 USA
出 版 物：《Frontiers of Environmental Science & Engineering》 (环境科学与工程前沿（英文）)
年 卷 期：2017年第11卷第4期
页 面：39-49页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 08[工学] 081402[工学-结构工程] 0814[工学-土木工程] 071002[理学-动物学]
基 金：We gratefully acknowledge financial support from the Beijing Natural Science Foundation Project (No. 8161003) Natural Science Foundation Project (No. 51278267) and the National Water Pollution Control Special Project (No. 2011ZX07301-003). Several points and the contents in the manuscript are discussed with many experts during 2016 International Low Impact Conference in Beijing
主 题：Low impact development Green infrastructure (GI) Sponge City Barriers Construction strategies
摘 要：Since 2014, China has been implementing the Sponge City Construction initiative, which represents an enormous and unprecedented effort by any government in the world for achieving urban sustainability. According to preliminary estimates, the total investment on the Sponge City Plan is roughly 100 to 150 million Yuan （RMB） （$15 to $22.5 million） average per square kilometer or 10 Trillion Yuan （RMB） （$1.5 Trillion） for the 657 cities nationwide. The Sponge City Plan （SCP） calls for the use of natural processes such as soil and vegetation as part of the urban runoff control strategy, which is similar to that of low impact development （LID） and green infrastructure （G1） practices being promoted in many parts of the world. The SCP includes as its goals not only effective urban flood control, but also rainwater harvest, water quality improvement and ecological restoration. So far, the SCP implementation has encountered-some barriers and challenges due to many factors. The present paper presents a review of those barriers and challenges, oftizrs discussions and recommendations on several technical aspects such as control goals and objectives; planning/design and construction of LID/GI practices; performance evaluation. Several key recommendations are proposed on Sponge City implementation strategy, Site-specific regulatory fi＇amework and technical gmdance, Product innovation and certification, LID/GI Project financing, LID/G1 profcssional training and certification, public outreach and education. It is expected that the successful implemen!atiun of the. SCP not only will bring about a sustainable, eco-friendly urbanization process in China, but also contribute enormously to the LID/Gl research and development with the vast amount of relevant data and experiences generated from the Sponge City construction projects.
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