气候变化领域集成服务门户(CCPortal): Evaluating future flood risk mitigation capacities in major cities across China

CCPortal

DOI	10.1016/j.uclim.2024.101890
	Evaluating future flood risk mitigation capacities in major cities across China
	Dai, Kaixuan; Cheng, Changxiu; Shen, Shi; Geng, Jiachen; Zhang, Tianyuan
发表日期	2024
ISSN	2212-0955
起始页码	55
卷号	55
英文摘要	Rapid urbanization and climate change have significantly altered urban hydrological processes. Previous research has highlighted their adverse effects on escalating risk of urban flood. Nevertheless, few assessments have quantified how future urban flood risk mitigation capacities evolve under various urban expansion and climate change scenarios. This study simulates urban expansion of major cities across China using future urban-regional environment simulation model at 30-m resolution under shared socioeconomic pathways scenarios (SSP). Concurrently, future precipitation intensity changes are assessed based on climate projection data. Finally, the urban flood risk mitigation capacity impacted by urban expansion and climate change is evaluated using the soil conservation service model. The results reveal: (1) The sizes of major cities are projected to expand 30% by 2050, and the north and east China are primary urban growth poles. (2) Major cities' precipitation intensity increase 0.4% in SSP126, but decline 5.4% and 2.3% in SSP245 and SSP585. (3) The flood risk mitigation capacities of major cities decrease 2.7% in SSP126 and 2.1% in SSP585, but increase 0.2% in SSP245. Most cities experiencing capacity decrease are located in the north and east China. These results provide valuable insights for the formulation of future urban flood adaptation and mitigation strategies.
英文关键词	Urban expansion; Climate change; Urban flood risk mitigation; Scenario simulation; Sponge city
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:001223637700001
来源期刊	URBAN CLIMATE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/307589
作者单位	Beijing Normal University; Beijing Normal University; Beijing Normal University
推荐引用方式 GB/T 7714	Dai, Kaixuan,Cheng, Changxiu,Shen, Shi,et al. Evaluating future flood risk mitigation capacities in major cities across China[J],2024,55.
APA	Dai, Kaixuan,Cheng, Changxiu,Shen, Shi,Geng, Jiachen,&Zhang, Tianyuan.(2024).Evaluating future flood risk mitigation capacities in major cities across China.URBAN CLIMATE,55.
MLA	Dai, Kaixuan,et al."Evaluating future flood risk mitigation capacities in major cities across China".URBAN CLIMATE 55(2024).