周 洁 1，2，邵银霞 1，2，王沛丰 1，2，吕思远 1，2

　　(1.中国电建集团华东勘测设计研究院有限公司，浙江 杭州 311122;

　　2.浙江华东工程数字技术有限公司，浙江 杭州 311122)

　　摘 要：针对我国防洪减灾业务流程未打通、数字底板不完全、孪生场景难构建、决策支持不到位等现状问题，基于水利部数字孪生建设和流域防汛“四预”能力提升的总体要求，研究一站式防汛流程搭建、数字孪生场景实现、防汛结构化知识体系构建等关键技术，应用关键技术梳理平台数字化需求，设计并研发数字孪生流域防汛“四预”平台，实现流域自预报预警、形势研判、决策调度至抢险支持等全流程封闭的一站式防汛。“四预”平台先后在浙江钱塘江、雄安白洋淀、济宁泗河流域及郑州贾鲁河等上线应用，实践应用表明：“四预”平台有助于提高流域防汛的“四预”能力，对加强水库拦蓄、保障大坝安全、提高抢险效率、降低人员影响、减少经济损失等起重要作用，具有一定的实用价值。

　　关键词：数字孪生流域;防汛;“四预”平台;一站式防汛流程;结构化知识体系;防洪减灾

　　Design of flood control “ Four-Pres ” platform based on digital twin basin

　　ZHOU Jie 1，2，SHAO Yinxia 1，2，WANG Peifeng 1，2，LYU Siyuan 1，2

　　(1.Power China Huadong Engineering Corporation Limited，Hangzhou 311122，China;

　　2.Zhejiang Huadong Engineering Digital Technology Co.，Ltd.，Hangzhou 311122，China)

　　Abstract：In view of current problems that flood control and disaster reduction business process and digital baseplate are incomplete, development of digital twin scenarios is difficult, and decision-making support is inadequate, this paper analyzes key technologies such as one-stop flood control process development, digital twin scenario realization, development of flood control knowledge system. The requirements of digital platforms are defined by applying these key technologies, to develop a digital twin basin flood control “Four-Pres” platform, which is based on the overall requirements of the Ministry of Water Resources. The platform has realized a one-stop flood control with closed whole process, from basin forecasting and early warning, situation judgment, decision-making, operation, regulation to emergency rescue support. The “Four-Pres” platform has been launched in the Qiantang River Basin in Zhejiang, the Baiyangdian Basin in Xiong'an, the Sihe River Basin in Jining and Jialu river in Zhengzhou. The practical application shows that the platform helps to improve the “Four-Pres” capabilities of flood control in the basin, and plays an important role in improving reservoir detention, ensuring dam security, improving rescue efficiency, and reducing casualties and economic losses, which has certain practical value.

　　Key words：digital twin basin;flood control;“Four-Pres” platform;one-stop flood control process;structured knowledge system;flood control and disaster reduction