Analysis of flood risk causes in different types of cities and discussion on response measures

How to further improve the flood control and drainage capacity in cities, and provide necessary guarantees for the sustainable development in cities, is an important topic in urban flood risk management. China has diverse terrain and complex climate, and the causes of flood risk in different types of cities are different. This article discusses the causes and characteristics of flood risk in different types of cities, and explores engineering and non-engineering measures to address these risks, in order to provide technical support for the planning of urban flood control and drainage engineering and non-engineering measures, and flood risk management.