Developing an equivalent toxicity area approach to comparing toxicity of urban road deposited sediments

Zhan, Yuting; Yang, Bo; Hong, Nian; Guan, Yingjie; Liu, An; Du, Ye; Wu, Qian-Yuan; Guan, Yuntao

doi:10.1016/j.envpol.2019.113588

Cited by 12 publications

(7 citation statements)

References 33 publications

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“…5,25,37,38 Two or more methods should be applied to improve the precision of the risk assessment of HMs. 19…”

Section: Methodsmentioning

confidence: 99%

“…5,25,37,38 Two or more methods should be applied to improve the precision of the risk assessment of HMs. 19 The geographical accumulation index (I geo ) was proposed in ref. 39 for the evaluation of sediment pollution, according to the HM background concentration (B n ).…”

Section: Geochemical Assessment Methodsmentioning

confidence: 99%

“…The enrichment factor (EF) helps to establish the source of HMs: natural or anthropogenic, normalizing the HM concentration with a reference element such as aluminium (Al). 11,19,21,41 For the normalization, the Al concentration measured in each sample and Al B n concentration in soils reported by Rauch and Pacyna 40 were used.…”

Section: Geochemical Assessment Methodsmentioning

confidence: 99%

“…[14][15][16] Trace metals and metalloids are enriched in urban environments, leading to their concentration values exceeding background values. [17][18][19] HM pollution can become a much more serious problem as these pollutants are non-biodegradable and prevail in soils and sediments, from where they are gradually released into water bodies and accumulate in plants, animals, and humans. [20][21][22] Human contact with contaminated particles could increase certain health risks since the body can absorb HMs through inhalation, ingestion, or dermal absorption, generating diseases that can be fatal.…”

Section: Introductionmentioning

confidence: 99%

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Urban stormwater sediment risk assessment from drainage structures in Bogotá, Colombia

Pimiento

Duque

Torres

2023

Environ. Sci.: Water Res. Technol.

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“…5,25,37,38 Two or more methods should be applied to improve the precision of the risk assessment of HMs. 19…”

Section: Methodsmentioning

confidence: 99%

Section: Geochemical Assessment Methodsmentioning

confidence: 99%

Section: Geochemical Assessment Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Urban stormwater sediment risk assessment from drainage structures in Bogotá, Colombia

Pimiento

Duque

Torres

2023

Environ. Sci.: Water Res. Technol.

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show abstract

“…On the other hand, it is crucial to assess the influence of environmental factors such as the ADP, the rainfall characteristics (i.e. intensity and duration), anthropogenic factors such as land use, runoff contact surface, the PSD and the surface loads of HM in urban watersheds on the toxicity of the sediments (Guo et al, 2020;Zhan et al, 2020;Zhang et al, 2017) in (Deletic & Orr, 2005;McKenzie et al, 2008;Pimiento et al, 2018).…”

mentioning

confidence: 99%

Risk assessment of runoff sediments in an experimental catchment in Bogotá related to hydrological and granulometric characteristics

Sanabria-Morales¹,

Rivera-Soler²,

Cabra-Soto³

et al. 2021

Producción + Limpia

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Introduction. Urban runoff sediments contain heavy metals that generate risk to the environment. Several risk assessment indexes for heavy metals have been developed, which show the level of contamination of particles in the environment and their origin. Besides, sediment risk is also associated with the particle size distribution and hydrometeorological characteristics. Objective. This work seeks to evaluate the risk of contamination from runoff sediments collected in an experimental catchment, related to their size distribution and hydrological characteristics of the area of influence. Materials and methods. The field and laboratory experiments were carried out on the constructed-wetland/ storage-tank structure from Pontificia Universidad Javeriana, Bogotá. The hydrological data were obtained from a nearby El Paraíso rain gauge station. The geoaccumulation (Igeo), pollution index (PI), and enrichment factor (EF) rates were calculated. Furthermore, Principal Component Analysis was used in order to determine the relationships between the risk, hydrological and granulometric variables. Results. There is a low/medium risk for Cu and Cr, in contrast to the high risk for Pb and Zn. According to multivariate statistical analysis, there is a relationship between risk indexes and average particle diameters (D50): these indexes increase for fine particles and periods of high rainfall intensity. Conclusions. The hydrological variables are important to determine the risks of urban runoff sediments. In this study, we found that the variable of dry weather is related to the values of geo-accumulation indexes and contamination. The findings of this work reinforce the possibility of developing early warning systems for sediment risks using key hydrological and sedimentological variables.

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Characterizing polycyclic aromatic hydrocarbons on road dusts in Shenzhen, China: implications for road stormwater reuse safety

Ning

Guo

Zhang

et al. 2023

Environ Geochem Health

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Developing an equivalent toxicity area approach to comparing toxicity of urban road deposited sediments

Cited by 12 publications

References 33 publications

Urban stormwater sediment risk assessment from drainage structures in Bogotá, Colombia

Urban stormwater sediment risk assessment from drainage structures in Bogotá, Colombia

Risk assessment of runoff sediments in an experimental catchment in Bogotá related to hydrological and granulometric characteristics

Characterizing polycyclic aromatic hydrocarbons on road dusts in Shenzhen, China: implications for road stormwater reuse safety

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