Aiming at the total runoff control target of sponge city, a method of decomposing and implementing the annual total runoff volume control rate is proposed in the stage of regulatory plan and constructive-detailed plan of urban planning. In the regulatory stage, the size and subsidence depth of each low impact development measure are determined step by step. In the constructive-detailed plan stage, the technique implementation guidelines fit for each low impact development measurement are suggested to be given in correspondence to the annual runoff volume control target in order to ensure the correct implementation of every single index. A certain project is taken as an example to illustrate the construction method of the technical implementation guidelines.
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李明怡.城市径流总量控制指标分解及实现路径探索与实践[J].水资源保护,2017,33(5):81-85.(LI Mingyi. Exploration and practice regarding decomposition and implementation of urban total runoff control index[J]. Water Resources Protection,2017,33(5):81-85.(in Chinese))