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Aiming at the problem of urban waterlogging caused by heavy rainstorms in coastal cities, this paper takes Fuzhou City as an example and constructs a fined coupling model of urban one-dimensional drainage network and two-dimensional land surface hydrodynamics based on Infoworks ICM. The model was applied to the analysis of rainstorm waterlogging in Gutian Road area of Fuzhou during Typhoon "Lubi" in August 2021, which verified the high simulation accuracy of the model. Based on this model, the rainstorm waterlogging process in Gutian area under different recurrence periods was analyzed, and two "sponge" reconstruction schemes were proposed. It is found that increasing the pipe diameter is more conducive to improving the waterlogging situation in the study area. The study can be used to accurately calculate the process of urban underground drainage and land area water in Fuzhou City, which provide technical support for the real-time decision of flood control and drainage in coastal cities.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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