A Parsimonious Framework of Evaluating WSUD Features in Urban Flood Mitigation

In the urban area, flooding becomes the most common disaster that has not been resolved until today. The utilization of river border area into housing and lack of absorption area becomes the trigger factor of urban flooding, as what is happening around Way Halim River on Seroja street. In this area, floods often happen during the rainy season, with the latest events recorded on January 21st, 2021. Analysis of flood intensities and discharges can be parameters for the decision-making of flood mitigation strategies. This study aims to analyze the flood discharges along Way Halim River, Seroja street by comparing the flood discharges resulting from three analysis methods of Synthetic Unit Hydrograph (SUH) including Gama I SUH, Nakayasu SUH, and Snyder SUH. Finally, suitable flood mitigation strategies were also proposed in this study based on the flood discharges and rain intensities. The results showed that Nakayasu SUH had the highest peak flood discharge than Snyder SUH and Gama I SUH. Based on the results of the investigation of land suitability; and analysis of rainfall intensities and flood discharges, the proposed flood mitigation in Seroja street is by installing biopore infiltration holes along Seroja street for storing water and reducing the risk of flooding in the area.

Download Full-text

Real-Time Operation of Pumping Systems for Urban Flood Mitigation: Single-Period vs. Multi-Period Optimization

Water Resources Management ◽

10.1007/s11269-018-2076-4 ◽

2018 ◽

Vol 32 (14) ◽

pp. 4643-4660 ◽

Cited By ~ 7

Author(s):

Fatemeh Jafari ◽

S. Jamshid Mousavi ◽

Jafar Yazdi ◽

Joong Hoon Kim

Keyword(s):

Real Time ◽

Flood Mitigation ◽

Urban Flood ◽

Single Period ◽

Time Operation ◽

Real Time Operation

Download Full-text

A Surrogate-Based Optimization Design and Uncertainty Analysis for Urban Flood Mitigation

Water Resources Management ◽

10.1007/s11269-019-02355-z ◽

2019 ◽

Vol 33 (12) ◽

pp. 4201-4214 ◽

Cited By ~ 1

Author(s):

Wen Zhang ◽

Jing Li ◽

Yunhao Chen ◽

Yang Li

Keyword(s):

Uncertainty Analysis ◽

Optimization Design ◽

Flood Mitigation ◽

Urban Flood ◽

Surrogate Based Optimization

Download Full-text

Planning Nature-Based Solutions for Urban Flood Reduction and Thermal Comfort Enhancement

Sustainability ◽

10.3390/su11226361 ◽

2019 ◽

Vol 11 (22) ◽

pp. 6361 ◽

Cited By ~ 4

Author(s):

Majidi ◽

Vojinovic ◽

Alves ◽

Weesakul ◽

Sanchez ◽

...

Keyword(s):

Heat Stress ◽

Thermal Comfort ◽

Risk Reduction ◽

Flood Risk ◽

Field Measurements ◽

Flood Mitigation ◽

Mitigation Measures ◽

Small Scale ◽

Urban Flood ◽

Flood Risk Reduction

As a consequence of climate change and urbanization, many cities will have to deal with more flooding and extreme heat stress. This paper presents a framework to maximize the effectiveness of Nature-Based Solutions (NBS) for flood risk reduction and thermal comfort enhancement. The framework involves an assessment of hazards with the use of models and field measurements. It also detects suitable implementation sites for NBS and quantifies their effectiveness for thermal comfort enhancement and flood risk reduction. The framework was applied in a densely urbanized study area, for which different small-scale urban NBS and their potential locations for implementation were assessed. The overall results show that the most effective performance in terms of flood mitigation and thermal comfort enhancement is likely achieved by applying a range of different measures at different locations. Therefore, the work presented here shows the potential of the framework to achieve an effective combination of measures and their locations, which was demonstrated on the case of the Sukhumvit area in Bangkok (Thailand). This can be particularly suitable for assessing and planning flood mitigation measures in combination with heat stress reduction.

Download Full-text

Urban flood simulation based on the SWMM model

Proceedings of the International Association of Hydrological Sciences ◽

10.5194/piahs-368-186-2015 ◽

2015 ◽

Vol 368 ◽

pp. 186-191 ◽

Cited By ~ 15

Author(s):

L. Jiang ◽

Y. Chen ◽

H. Wang

Keyword(s):

Return Period ◽

Southern China ◽

Flood Forecasting ◽

Flood Mitigation ◽

Urban Flooding ◽

Urban Flood ◽

Flood Planning ◽

Set Up ◽

Mitigation Methods ◽

Swmm Model

Abstract. China is the nation with the fastest urbanization in the past decades which has caused serious urban flooding. Flood forecasting is regarded as one of the important flood mitigation methods, and is widely used in catchment flood mitigation, but is not widely used in urban flooding mitigation. This paper, employing the SWMM model, one of the widely used urban flood planning and management models, simulates the urban flooding of Dongguan City in the rapidly urbanized southern China. SWMM is first set up based on the DEM, digital map and underground pipeline network, then parameters are derived based on the properties of the subcatchment and the storm sewer conduits; the parameter sensitivity analysis shows the parameter robustness. The simulated results show that with the 1-year return period precipitation, the studied area will have no flooding, but for the 2-, 5-, 10- and 20-year return period precipitation, the studied area will be inundated. The results show the SWMM model is promising for urban flood forecasting, but as it has no surface runoff routing, the urban flooding could not be forecast precisely.

Download Full-text