Through opening water surface of park it could solve urban waterlogging.
通过开辟公园水面解决城市排涝；
2
Moreover, underlying surface condition, density of population and road also play a role in the occurrence of rainstorm waterlogging.
下垫面状况、人口和道路密度也影响到暴雨积水的发生。
3
Underground mining in coal mine must cause land surface transformation so that a series of geo-hazards will be occurred such as land destroy, waterlogging, landslide and house collapse.