涉水突发事件具有随机性、突发性、破坏性强、社会影响大、监测环境复杂、监测危险性大等特点。文章以河道涉水突发事件的水文应急监测为例,阐述了水文应急监测与日常水文测验相比,在监测环境条件、依据的技术规范、监测结果精度控制、安全保障措施等方面的特殊性,介绍了水文应急监测方案编制的内容和要求,以及方案实施的具体方法和步骤。 Wading events are characterized by randomness, suddenness, destructiveness, great social impact, complex monitoring environment and great danger of monitoring. In this paper, taking the hydrological emergency monitoring of watercourse emergencies as an example, the paper expounds the peculiarity of the hydrological emergency monitoring compared with the routine hydrological test in monitoring the environmental conditions, the technical specifications, the precision control of the monitoring results and the safety and security measures , Introduced the content and requirements of the compilation of hydrological emergency monitoring program and the specific methods and steps of program implementation.