基于Mike Basin的厦门市雨洪资源利用研究

Study of the Stormwater Resources Utilization in the Xiamen City Based on Mike Basin

摘要: 厦门市是资源型缺水和工程型缺水并存的城市，为破解水资源紧缺形势，充分利用雨洪资源迫在眉睫。应用Mike Basin建立雨洪资源利用模拟模型，对九龙江北溪流域和厦门市全域进行不同尺度的水资源模拟分析，辅以水库径流调节计算，研究雨洪利用工程引洪和蓄洪规模。通过多方案综合比选论证，推荐新建15 m³/s引洪管道和9525万m³雨洪调蓄水库。推荐方案下，2030年雨洪工程多年平均引水量12,028万m³，特枯年引水量19,813万m³，基本满足厦门市远期水资源需求。本文构建的雨洪资源利用模拟模型，是对雨洪利用精细化模拟和水资源中尺度配置的有机耦合的有益探索。

Abstract: Xiamen City is a city where resource-based water shortages and engineering-based water shortages coexist. In order to solve the water shortage situation, it is urgent to make full use of stormwater re-sources. This paper uses Mike Basin to simulate and analyze the process of water resources at differ-ent scales in the Beixi basin and the entire Xiamen City. Supplemented by reservoir runoff adjustment calculations, the scale of flood diversion and flood storage capacity of stormwater utilization projects are studied. Through comprehensive comparison and selection of multiple options, it is demonstrated that a diversion project with 15 m³/s and a rainwater storage reservoir of 95 million m³ are recom-mended. Under the recommended plan, in 2030, the average water diversion volume of the storm flood project is 12,028 million m³, and the water diversion volume of extremely dry water is 19,183 million m³, which basically meets the long-term water resources needs of Xiamen City. The flood utilization project has significance in increasing the supply of resources and alleviating the contradiction between supply and demand. The technical route proposed in the article is also a useful exploration of the organic coupling of the fine simulation of flood utilization and the mesoscale allocation of water resources.