Choosing the LID for Urban Storm Management in the South of Taiyuan Basin by Comparing the Storm Water Reduction Efficiency

Cui, Tingting; Long, Yuqiao; Wang, Yintang

doi:10.3390/w11122583

Cited by 10 publications

(4 citation statements)

References 27 publications

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“…Along with the rapid development of urbanization in China, a myriad of challenges is increasingly hindering the sustainable progress of cities [1]. These challenges encompass issues such as water scarcity, recurrent waterlogging, severe water pollution, and a continuous decline in groundwater levels [2,3]. The coexistence of these problems in modern cities has produced significant threats to the fundamental aspects of residents' lives [4].…”

Section: Research Backgroundmentioning

confidence: 99%

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The Carbon Emission Intensity of Rainwater Bioretention Facilities

Wang,

Liu,

et al. 2024

Water

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To investigate the quantitative relationship between the volume capture of rainfall and carbon emissions from bioretention facilities, this study introduces the concept of the carbon intensity of volume capture of rainfall. The influence of four key factors—climatic conditions, aquifer height, permeability coefficient, and facility area—was investigated using a residential neighborhood in Tianshui, China, as an example. The results reveal that the carbon intensity value is influenced not only by external environmental changes but also by the inherent attributes of bioretention facilities, such as aquifer height, permeability coefficient, and facility area. The maximum carbon intensity value for the volume capture of rainfall was −0.0005 kg CO2/m3, while the minimum was −0.0852 kg CO2/m3, representing a substantial difference of approximately 169 times. Orthogonal experiments identified the facility area as the most significant influencing factor on carbon intensity, with a correlation coefficient of 0.0520. The area of bioretention facilities can be prioritized to meet deployment requirements, taking into account volume capture reduction effects and carbon emissions. For facilities with a high carbon intensity, an emphasis should be placed on enhancing carbon reduction benefits, and various initiatives can be implemented to achieve this goal.

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Section: Research Backgroundmentioning

confidence: 99%

“…2 . CE CS and CE DS represent the carbon emissions during the construction stage and dismantling stage of the LID facility in kg CO 2 .…”

mentioning

confidence: 99%

The Carbon Emission Intensity of Rainwater Bioretention Facilities

Wang,

Liu,

et al. 2024

Water

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“…Huang et al used the SWMM model to study flood mitigation schemes with multiple LID complex facilities in megacities [23]. Cui et al analyzed the improvement effect of different LID schemes on the drainage network system of Taiyuan city [24].…”

Section: Introductionmentioning

confidence: 99%

Study on Waterlogging Reduction Effect of LID Facilities in Collapsible Loess Area Based on Coupled 1D and 2D Hydrodynamic Model

Huang

Hao

et al. 2022

Water

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The accurate evaluation method of LID toward the attenuation of urban flood is still a hot issue. This paper focuses on a coupled 1D and 2D hydrodynamic model, investigating the model parameters set in a collapsible loess area, and the changes in the surface runoff, waterlogged area, and drainage network indicators under different rainfall patterns. The results show that the coupled model can effectively simulate the effect of LID facilities under unaltered and retrofitted conditions. It is found that the infiltration parameters in a collapsible loess area are higher than in other eastern cities by calibration and validation. After implementing the LID facilities, the total runoff, peak flood flow, waterlogged area, runoff coefficient, and drainage pressure under different rainfall patterns have all been reduced. With the increases in the rainfall return period, the waterlogging reduction effect of LID facilities would gradually weaken. The rainfall return period has a great impact on the indicators of surface runoff, waterlogged area, and drainage capacity. The coefficient of rainfall peak has a relatively big impact on indicators of pipelines, such as the proportion of overflow nodes, the proportion of fully loaded pipelines, and the average full-load duration. The rainfall duration has a major impact on the total runoff quantity, runoff coefficient, and average full-load duration.

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“…These facilities include rain gardens, permeable pavement, rainwater catchment, vegetated (green) roofs, and soil amendments for better absorption. Green infrastructure that mimics natural hydrological processes is able to provide economic, environmental, and social benefits [43,44]. According to research [45][46][47][48][49][50], for stormwater management practices in urban areas, the main purpose of most types of low impact development (LID) devices is a reduction of the peak discharge of stormwater.…”

Section: Introductionmentioning

confidence: 99%

An Analysis of Stormwater Management Variants in Urban Catchments

2020

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In order to identify the most effective variants for reducing flood risk in cities and to provide protection for water resources, an in-depth study was carried out. The research results allowed for the identification of sustainable drainage infrastructure solutions that should be used to increase the efficiency of traditional drainage systems. The most effective solution turned out to be the simultaneous use of low impact development facilities and stormwater flow control devices in drainage systems (Variant IV). Applicationof this variant (maximum discharge QOmax = 246.39 dm3/s) allowed for the reduction of the peak flow by as much as 86% in relation to those values that were established in the traditional drainage system (maximum discharge QOmax = 1807.62 dm3/s). The use of Variant IV allowed for a combination of the advantages of low impact development (LID) facilities and stormwater flow control devices in drainage systems while limiting their disadvantages. In practice, the flow of rainwater from the catchment area to the drainage system was limited, the share of green areas increased, and the drainage system retention capacity grew. The proposed approach for reducing the increasing flood risk in cities and providing protection for water resources provides a structured approach to long-term urban drainage system planning and land use guidelines.

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Choosing the LID for Urban Storm Management in the South of Taiyuan Basin by Comparing the Storm Water Reduction Efficiency

Cited by 10 publications

References 27 publications

The Carbon Emission Intensity of Rainwater Bioretention Facilities

The Carbon Emission Intensity of Rainwater Bioretention Facilities

Study on Waterlogging Reduction Effect of LID Facilities in Collapsible Loess Area Based on Coupled 1D and 2D Hydrodynamic Model

An Analysis of Stormwater Management Variants in Urban Catchments

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