Urban flood risk analysis for determining optimal flood protection levels based on digital terrain model and flood spreading model

Wang, Chen; Wan, Tao; Palmer, Ian J.

doi:10.1007/s00371-009-0414-5

Cited by 12 publications

(6 citation statements)

References 8 publications

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“…We used the Bewdley flood of 2000 as a case study for our system. We chose to simulate this particular flood as there is historical data available and there are results from another work [48] using this flood, allowing us to compare their results to those obtained from our system. Bewdley, Worcestershire, United Kingdom, was one of the towns that got the effect of flooding which occurred in Fall 2000 along the Severn Valley.…”

Section: River Flooding Case Studymentioning

confidence: 99%

FloodSim: Flood Simulation and Visualization Framework Using Position-Based Fluids

Hadimlioglu

King

Starek

2020

IJGI

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Flood modeling and analysis has been a vital research area to reduce damages caused by flooding and to make urban environments resilient against such occurrences. This work focuses on building a framework to simulate and visualize flooding in 3D using position-based fluids for real-time flood spread visualization and analysis. The framework incorporates geographical information and takes several parameters in the form of friction coefficients and storm drain information, and then uses mechanics such as precipitation and soil absorption for simulation. The preliminary results of the river flooding test case were satisfactory, as the flood extent was reproduced in 220 s with a difference of 7%. Consequently, the framework could be a useful tool for practitioners who have information about the study area and would like to visualize flooding using a particle-based approach for real-time particle tracking and flood path analysis, incorporating precipitation into their models.

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Section: River Flooding Case Studymentioning

confidence: 99%

FloodSim: Flood Simulation and Visualization Framework Using Position-Based Fluids

Hadimlioglu

King

Starek

2020

IJGI

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“…They can also be used to communicate different aspects of change, such as climate change and socioeconomic scenarios (e.g. flooding, vegetation change) (Wang et al 2010 (Kaplin and Kaplin, 1989). The scope for testing public responses to future landscapes in relation to landscape preferences has been investigated in a variety of studies.…”

Section: Visualisation Techniques and Technologymentioning

confidence: 99%

Visualisation techniques to support public interpretation of future climate change and land-use choices: a case study from N-E Scotland

Wang

Miller

Brown

et al. 2015

International Journal of Digital Earth

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“…In recent years, the scope of flood risk assessment has extended from the national level Ni et al, 2010) to river basins (Rulli and Rosso, 2002;Kok and Grossmann, 2009;te Linde et al, 2011;Mazzorana et al, 2012), urban areas (Hadjimitsis, 2010;Wang et al, 2010;Pathirana et al, 2011), and even to some specific sites Ernst et al, 2010;Youssef et al, 2010). Hydrodynamic models are widely applied in flood risk assessment.…”

Section: Introductionmentioning

confidence: 99%

Joint impact of rainfall and tidal level on flood risk in a coastal city with a complex river network: a case study of Fuzhou City, China

Lian

2013

Hydrol. Earth Syst. Sci.

188

112

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Abstract. Coastal cities are particularly vulnerable to flood under multivariable conditions, such as heavy precipitation, high sea levels, and storms. The combined effect of multiple sources and the joint probability of extremes should be considered to assess and manage flood risk better. This paper aims to study the combined effect of rainfall and the tidal level of the receiving water body on flood probability and severity in Fuzhou City, which has a complex river network. Flood severity under a range of precipitation intensities, with return periods (RPs) of 5 yr to 100 yr, and tidal levels was assessed through a hydrodynamic model verified by data observed during Typhoon Longwang in 2005. According to the percentages of the river network where flooding occurred, the threshold conditions for flood severity were estimated in two scenarios: with and without working pumps. In Fuzhou City, working pumps efficiently reduce flood risk from precipitation within a 20-yr RP. However, the pumps may not work efficiently when rainfall exceeds a 100-yr RP because of the limited conveyance capacity of the river network. Joint risk probability was estimated through the optimal copula. The joint probability of rainfall and tidal level both exceeding their threshold values is very low, and the greatest threat in Fuzhou comes from heavy rainfall. However, the tidal level poses an extra risk of flood. Given that this extra risk is ignored in the design of flood defense in Fuzhou, flood frequency and severity may be higher than understood during design.

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Urban flood risk analysis for determining optimal flood protection levels based on digital terrain model and flood spreading model

Cited by 12 publications

References 8 publications

FloodSim: Flood Simulation and Visualization Framework Using Position-Based Fluids

FloodSim: Flood Simulation and Visualization Framework Using Position-Based Fluids

Visualisation techniques to support public interpretation of future climate change and land-use choices: a case study from N-E Scotland

Joint impact of rainfall and tidal level on flood risk in a coastal city with a complex river network: a case study of Fuzhou City, China

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