水利水电技术（中英文）2026，Vol.57Issue(2)：68-82,15.DOI:10.13928/j.cnki.wrahe.2026.02.005
基于容量交易和多尺度网格划分的海绵城市建设优化方法
Optimization method for sponge city construction based on capacity trading and multi-scale mesh division
摘要
Abstract
[Objective]To address the issues of high construction costs and low resource allocation efficiency in the application of Low Impact Development(LID)facilities in sponge city construction,[Methods]an optimization strategy based on capacity trading and multi-scale mesh division is proposed.The study area was divided into meshes at scales of 100 m,200 m,500 m,and 1 000 m.The Sequential Least Squares Quadratic Programming(SLSQP)optimization algorithm and capacity trading mechanism were integrated to simulate the runoff"transfer"potential between different units and allocate LID facilities as required.[Results]The result showed that as the trading scale increased,the runoff reduction effect gradually strengthened.Compared to the 100 m trading scale,when the runoff coefficient control target was met,the required LID facility construction areas for the 200 m,500 m,and 1 000 m trading scales were reduced by 28.48 hm2,87.33 hm2,and 138.16 hm2,respectively.When the runoff control rate was set as a constraint,the required LID facility construction areas for the 200 m,500m,and 1 000 m trading scales were reduced by 24.74 hm2,117.32 hm2,and 192.18 hm2,respectively.[Conclusion]Comprehensive analysis shows that as the trading scale increases,the required construction area for LID facilities gradually decreases.However,when the trading scale becomes excessively large,the rate of benefit improvement begins to level off.The 500 m trading scale is considered the optimal scale for the study area,as it effectively integrates runoff reduction potential across regions,reduces construction costs,and avoids the diminishing returns associated with excessive large scales.In practical applications,the trading scales should be flexibly selected based on the topography,climate,and functional needs of the specific area to achieve optimal resource allocation and runoff reduction effects.The proposed approach provides a refined and highly coordinated pathway for sponge city construction.关键词
网格划分/海绵容量交易/空间尺度/海绵城市/绿色基础设施/径流削减Key words
mesh division/sponge capacity trading/spatial scale/sponge city/green infrastructure/runoff reduction分类
建筑与水利引用本文复制引用
刘安康,许青,朱文谨,张洋,匡丽洁,黄德龙,谢青海,闫家坤..基于容量交易和多尺度网格划分的海绵城市建设优化方法[J].水利水电技术（中英文）,2026,57(2):68-82,15.基金项目
国家自然科学基金项目(52408537,52408177) （52408537,52408177）
江苏省自然科学基金项目(BK20230692) （BK20230692）
博士科研启动经费(KQ23036) （KQ23036）
