Impact of green infrastructure on the mitigation of road-deposited sediment induced stormwater pollution

Yang, Wenlin; Wang, Zhenyu; Hua, Pei; Zhang, Jin; Krebs, Peter

doi:10.1016/j.scitotenv.2021.145294

Cited by 32 publications

(14 citation statements)

References 60 publications

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“…The uncertainty of the integrated model has been estimated by Monte Carlo simulation (Supplementary Fig. 9 ) 20 , 38 , 39 , and the details about the uncertainty analysis and limitations are provided in Supplementary Notes 7 , 8 .…”

Section: Methodsmentioning

confidence: 99%

Global trade drives transboundary transfer of the health impacts of polycyclic aromatic hydrocarbon emissions

Zhang

Krebs

2022

Commun Earth Environ

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International trade leads to a redistribution of pollutant emissions related to the production of goods and services and subsequently affects their severe health impacts. Here, we present a framework of emissions inventories, input-output model, numerical atmospheric chemistry model, and estimates of the global burden of disease. Specifically, we assess emissions and health impacts of polycyclic aromatic hydrocarbons (PAH), a carcinogenic byproduct of production activities, and consider income, production, final sale, and consumption stages of the global supply chain between 2012 and 2015. We find that in 2015, global anthropogenic PAH emissions were 304 Gg (95% CI: 213~421 Gg) and estimated related lifetime lung cancer deaths were 6.9 × 104 (95% CI: 1.8 × 104~1.5 × 105 deaths). The role of trade in driving the PAH-related health risks was greater than that in driving the emissions. Our findings indicate that international cooperation is needed to optimise the global supply chains and mitigate PAH emissions and health impacts.

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Section: Methodsmentioning

confidence: 99%

Global trade drives transboundary transfer of the health impacts of polycyclic aromatic hydrocarbon emissions

Zhang

Krebs

2022

Commun Earth Environ

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“…Furthermore, understanding the long-term trend in PAH emissions and its driving forces is crucial for the mitigation strategy at local, national, and global levels. Due to globalization-induced rapid economic growth, significant changes have occurred in people’s daily lives, especially in some developing regions, , which will eventually affect the manufacturing, assembly, and transport of PAH-intensive products over time. Based on the global supply chain, the international trade has significant impacts on the temporal emission trend and redistribution of greenhouse gas emissions between countries.…”

Section: Introductionmentioning

confidence: 99%

Global Trends and Drivers in Consumption- and Income-Based Emissions of Polycyclic Aromatic Hydrocarbons

Hua

Krebs

2021

Environ. Sci. Technol.

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Polycyclic aromatic hydrocarbons (PAHs) are a class of the most hazardous substances. As unavoidable byproducts of petrogenic and pyrogenic processes, their emissions are dominantly linked to various economic sectors. In international trade, not only final consumption but also primary input can transfer the emissions among regions. Therefore, a long-term impact assessment of the international trade on PAH global emissions based on the final consumption and primary input could significantly benefit worldwide PAH mitigation strategies. This study investigated the changes in consumption- and income-based PAH emissions and interregional flows of worldwide regions, using the latest available data from 1999 to 2014. Results show that in 2014, 16.8 and 10.1% of global PAH emissions were transferred by consumption and primary input through international trade. Meanwhile, the production-, consumption-, and income-based emissions in most regions were decreasing. Furthermore, from the consumption-based perspective, sub-Saharan Africa surpassed China and became the largest net exporter of consumption-based emissions. From the income-based perspective, the net income-based outflows of India and the rest of Asia increased significantly, indicating the income-based emission leakage in emerging markets. From the socioeconomic perspective, emission intensity dominated the global decline in PAH emissions. As the two main factors driving the increase in emissions, the primary input structure (41%) had a larger effect than the final demand level (28%) from 1999 to 2014. Therefore, global cooperation, through the mitigation strategies of reducing emission factors and improving international trade patterns, is posited as an efficient strategy to reduce PAH pollution and related health risks.

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“…The implementation of green infrastructure has been regarded as a more sustainable stormwater management, such as Sustainable Urban Drainage Systems (SUDs), Sponge City, and Low Impact Development practices (LID), which can significantly control peak flow, runoff volume, and runoff pollution load at the source through decentralized measures [ 8 , 15 , 16 , 17 ]. Although having additional aesthetic and ecological benefits compared to gray infrastructure, many studies have also proven that green infrastructure is more ineffective in controlling high-intensity rainfall of short duration, which makes it become an uneconomic measure correspondingly [ 18 , 19 , 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Optimizing Green-Gray Infrastructure for Non-Point Source Pollution Control under Future Uncertainties

Dong

Yuan

Song

et al. 2021

IJERPH

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Non-Point Source Pollution (NPS) caused by polluted and untreated stormwater runoff discharging into water bodies has become a serious threat to the ecological environment. Green infrastructure and gray infrastructure are considered to be the main stormwater management measures, and the issue of their cost-effectiveness is a widespread concern for decision makers. Multi-objective optimization is one of the most reliable and commonly used approaches in solving cost-effectiveness issues. However, many studies optimized green and gray infrastructure under an invariant condition, and the additional benefits of green infrastructure were neglected. In this study, a simulation-optimization framework was developed by integrated Stormwater Management Model (SWMM) and Non-dominated Sorting Genetic Algorithm (NSGA-II) to optimize green and gray infrastructure for NPS control under future scenarios, and a realistic area of Sponge City in Nanchang, China, was used as a typical case. Different levels of additional benefits of green infrastructure were estimated in the optimizing process. The results demonstrated that green-gray infrastructure can produce a co-benefit if the green infrastructure have appropriate Value of Additional Benefits (VAB), otherwise, gray infrastructure will be a more cost-effectiveness measure. Moreover, gray infrastructure is more sensitive than green infrastructure and green-gray infrastructure under future scenarios. The findings of the study could help decision makers to develop suitable planning for NPS control based on investment cost and water quality objectives.

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Impact of green infrastructure on the mitigation of road-deposited sediment induced stormwater pollution

Cited by 32 publications

References 60 publications

Global trade drives transboundary transfer of the health impacts of polycyclic aromatic hydrocarbon emissions

Global trade drives transboundary transfer of the health impacts of polycyclic aromatic hydrocarbon emissions

Global Trends and Drivers in Consumption- and Income-Based Emissions of Polycyclic Aromatic Hydrocarbons

Optimizing Green-Gray Infrastructure for Non-Point Source Pollution Control under Future Uncertainties

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