With the accelerating process of urbanization and the deteriorating global ecological climate, a large number of urban waterlogging phenomena appear in some areas. After investigation and research, there are the following aspects of urban waterlogging.<br>First of all, human activities have led to global warming and many extreme weather, resulting in a significant increase in precipitation. Secondly, due to the accelerated process of urbanization, the construction of drainage facilities in the city has not continued to develop and advance, and the phenomenon of aging of urban internal facilities appears. Finally, with the increase of urban population, a large amount of water is used and not treated in time, resulting in too much sewage and blocking the drainage system.<br>To sum up, we should speed up the construction of urban infrastructure, improve the drainage system, and strengthen the management and maintenance of the drainage system. Prevent the occurrence of urban waterlogging to ensure the normal operation of the city
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