气候变化领域集成服务门户(CCPortal): Bi-directional coupling of an open-source unstructured triangular meshes-based integrated hydrodynamic model for heterogeneous feature-based urban flood simulation

CCPortal

DOI	10.1007/s11069-021-04966-5
	Bi-directional coupling of an open-source unstructured triangular meshes-based integrated hydrodynamic model for heterogeneous feature-based urban flood simulation
	Peng G.; Zhang Z.; Zhang T.; Song Z.; Masrur A.
发表日期	2021
ISSN	0921030X
英文摘要	Urban pluvial flash floods have become a matter of widespread concern, as they severely impact people’s lives in urban areas. Hydrological and hydraulic models have been widely used for urban flood management and urban planning. Traditionally, to reduce the complexity of urban flood modelling and simulations, simplification or generalization methods have been used; for example, some models focus on the simulation of overland water flow, and some models focus on the simulation of the water flow in sewer systems. However, the water flow of urban floods includes both overland flow and sewer system flow. The overland flow processes are impacted by many different geographical features in what is an extremely spatially heterogeneous environment. Therefore, this article is based on two widely used models (SWMM and ANUGA) that are coupled to develop a bi-directional method of simulating water flow processes in urban areas. The open source overland flow model uses the unstructured triangular as the spatial discretization scheme. The unstructured triangular-based hydraulic model can be better used to capture the spatial heterogeneity of the urban surfaces. So, the unstructured triangular-based model is an essential condition for heterogeneous feature-based urban flood simulation. The experiments indicate that the proposed coupled model in this article can accurately depict surface waterlogged areas and that the heterogeneous feature-based urban flood model can be used to determine different types of urban flow processes. © 2021, The Author(s), under exclusive licence to Springer Nature B.V.
关键词	Comprehensive analysis Geographic modelling Spatial heterogeneity
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/206488
作者单位	School of Geography and Tourism, Shaanxi Normal University, Xi’an, Shaanxi 710062, China; Key Laboratory of Virtual Geographic Environment (Ministry of Education), Nanjing Normal University, Nanjing, 210023, China; Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, 210023, China; Northwest Land and Resources Research Center, Shaanxi Normal University, Xi’an, Shaanxi 710062, China; GeoVISTA Center, College of Earth and Mineral Sciences, The Pennsylvania State University, State College, PA 16802, United States
推荐引用方式 GB/T 7714	Peng G.,Zhang Z.,Zhang T.,et al. Bi-directional coupling of an open-source unstructured triangular meshes-based integrated hydrodynamic model for heterogeneous feature-based urban flood simulation[J],2021.
APA	Peng G.,Zhang Z.,Zhang T.,Song Z.,&Masrur A..(2021).Bi-directional coupling of an open-source unstructured triangular meshes-based integrated hydrodynamic model for heterogeneous feature-based urban flood simulation.Natural Hazards.
MLA	Peng G.,et al."Bi-directional coupling of an open-source unstructured triangular meshes-based integrated hydrodynamic model for heterogeneous feature-based urban flood simulation".Natural Hazards (2021).