Exploring the Linkage between Urban Flood Risk and Spatial Patterns in Small Urbanized Catchments of Beijing, China
Bibliographic Data
| ID | 15469346 |
|---|---|
| Authors | Lei Yao (0000-0001-7917-2582, Chinese Academy of Sciences), Liding Chen (0000-0001-8713-8552, Chinese Academy of Sciences), Wei Wei (0000-0003-1852-2811, Chinese Academy of Sciences, corresponding author) |
| Year | 2017 |
| Volume | 14 |
| Issue | 3 |
| Pages | 239-239 |
| Publication date | 2017-02-28 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph14030239 |
| PMID | 28264521 |
| OpenAlex | W2594886708 |
| Language | EN |
| Citations received | 8 |
| References cited | 52 |
In the context of global urbanization, urban flood risk in many cities has become a serious environmental issue, threatening the health of residents and the environment. A number of hydrological studies have linked urban flooding issues closely to the spectrum of spatial patterns of urbanization, but relatively little attention has been given to small-scale catchments within the realm of urban systems. This study aims to explore the hydrological effects of small-scaled urbanized catchments assigned with various landscape patterns. Twelve typical residential catchments in Beijing were selected as the study areas. Total Impervious Area ( TIA ), Directly Connected Impervious Area ( DCIA ), and a drainage index were used as the catchment spatial metrics. Three scenarios were designed as different spatial arrangement of catchment imperviousness. Runoff variables including total and peak runoff depth ( Q t and Q p ) were simulated by using Strom Water Management Model (SWMM). The relationship between catchment spatial patterns and runoff variables were determined, and the results demonstrated that, spatial patterns have inherent influences on flood risks in small urbanized catchments. Specifically: (1) imperviousness acts as an effective indicator in affecting both Q t and Q p ; (2) reducing the number of rainwater inlets appropriately will benefit the catchment peak flow mitigation; (3) different spatial concentrations of impervious surfaces have inherent influences on Q p . These findings provide insights into the role of urban spatial patterns in driving rainfall-runoff processes in small urbanized catchments, which is essential for urban planning and flood management
Beijing · Cartography · China · Context (archaeology · Drainage basin · Flood myth · Geography · Hydrology (agriculture · Impervious surface · Rainwater harvesting · Surface runoff · Urbanization · Environmental Science · Flood Risk Assessment and Management · Hydrology and Watershed Management Studies · Urban Stormwater Management Solutions · Ecology · Geology
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| Unique citing works | 8 |
|---|---|
| Citations per year | 0,89 |
| Citation span | 2017 - 2025 (9) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 8 |