Multivariate and spatio-temporal groundwater pollution risk assessment: A new long-time serial groundwater environmental impact assessment system

Xu, Han; Yang, Xing; Wang, Daqing; Hu, Yihua; Cheng, Zijian; Shi, Yue; Peng, Zheng; Shi, Liang

doi:10.1016/j.envpol.2022.120621

Cited by 18 publications

(5 citation statements)

References 43 publications

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“…Precipitation, as one of the most important elements of climate, directly affects the liquid/solid ratio of hazardous substances precipitated from roadbed fill materials [46]. Therefore, this paper utilized precipitation as the basis of zoning and selected seven geographical zones in China with average annual rainfalls from the largest to the smallest, namely south China, southwest China, east China, central China, northeast China, north China, and northwest China.…”

Section: Regional Differencesmentioning

confidence: 99%

Heavy Metals from NEFA Recycling as a Road Base Material: Release Dynamics and Impacts on a Shallow Aquifer

Zhao

et al. 2023

Water

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The recycling of fly ash for structural fill uses, such as road base materials, is the most promising avenue to dissipate fly ash. Traditional risk assessment methods do not take into account the ultra-alkaline nature of new emerging fly ash (NEFA) and may underestimate the risk of long-term release of heavy metals and contamination of shallow diving when fly ash is utilized as a road base material. In this study, carbonation experiments are used to reveal the heavy metal release characteristics of NEFA under natural aging conditions and to assess the environmental risk and regional variability characteristics of pollutant release to shallow aquifers under the new fly ash road utilization scenario based on process modeling and Monte Carlo methods. The results showed that the heavy metal release concentrations in carbonized NEFA increased by a factor of 1.17–114.56 with natural aging. This would result in a dramatic increase in the shallow aquifer contamination risk when this material is used as a road base in typical areas. Exposure concentrations of four heavy metals, Ni, Cu, Zn, and As, increased by 1.27–113.89 times, and Cd concentrations increased from 0 mg/L to 0.055 mg/L. Ground infiltration differences due to regional differences in rainfall and other factors lead to differences in the shallow aquifer contamination risk in different areas. Heavy metal exposure concentrations can vary by up to 1.55 times. The results of the study confirm the significant long-term increase in heavy metal release and risk under NEFA resource utilization conditions and the shortcomings of traditional methods in characterizing their release and risk dynamics. In response, it is recommended that attention be paid to the long-term risk of NEFA resource utilization and that a methodological system for characterizing the heavy metal release potential and risk assessment of NEFA be developed.

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Section: Regional Differencesmentioning

confidence: 99%

Heavy Metals from NEFA Recycling as a Road Base Material: Release Dynamics and Impacts on a Shallow Aquifer

Zhao

et al. 2023

Water

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“…Groundwater nitrate pollution risk is a kind of a subgroup of groundwater risk. Major studies on groundwater nitrate pollution risk assessment have been briefly described by Xu et al ( 2023 ). In addition, recently risk assessments have been performed among others by Teng et al ( 2019 ), by Wu et al ( 2020 ), and by Atoui and Agoubi ( 2022 ).…”

Section: Introductionmentioning

confidence: 99%

“…Huan et al ( 2020 ) have performed groundwater nitrate pollution risk assessments of the groundwater source field. At the regional scale, numerical modeling of nitrate mass transport has been performed by Zhao et al ( 2022 ) and Xu et al ( 2023 ). Zhang et al ( 2022 ) adopted a quantitative approach considering pollution loading.…”

Section: Introductionmentioning

confidence: 99%

Groundwater nitrate pollution risk assessment based on the potential impact of land use, nitrogen balance, and vulnerability

Duda,

Zdechlik,

Kania

2023

Environ Sci Pollut Res

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The predicting groundwater nitrate pollution risk, especially in terms of changes in fertilizing, has not been fully investigated so far. In particular, there is no comprehensive method to assess this risk in areas of different land use type, and not only in agricultural areas. The aim of this study was to develop a novel multicriteria methodology for groundwater nitrate pollution risk assessment, which meets these issues. A further aim was to determine how much this risk would change if the amount of organic and synthetic fertilization was reduced. An assumption was that groundwater pollution risk is a combination of the potential adverse impacts of land use, fertilization, and intrinsic groundwater vulnerability to pollution. The impact of fertilization was holistically evaluated by balancing nitrogen from spatially differentiated the size of the breeding, species of livestock, manure and synthetic fertilizers input, and spatially differentiated topsoil, with nitrogen uptake by different crops. The nitrate concentration in the leachate was used as a measure of the impact of fertilization. This concentration was compared to the natural baseline nitrate concentration in groundwater. Three fertilization scenarios for groundwater pollution risk assessment in two study areas were discussed. Under typical agricultural, climatic, soil, and geological conditions in Europe for the current total fertilization level of 95-120 kg N ha−1 groundwater nitrate pollution risk is low and moderate, but for fertilization of 150-180 kg N ha−1, a reduction in the total fertilization (synthetic and manure) by 40 to 50% may be required to achieve low risk of degradation of natural groundwater quality. Predictive simulations of groundwater nitrate pollution risk confirmed that reducing synthetic and organic fertilization has an effect, especially in areas with intensive fertilization. This method may allow for a holistic and scenario-based assessment of groundwater pollution risk and may help decision-makers introduce solutions to manage this risk under conditions of climate change, preservation of groundwater quality, and food security.

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“…Thus, this study aimed to analyze the level of environmental damage to groundwater quality spatially in the coastal area of Parangtritis. Xu et al (2022) also revealed the importance of formulating the impact of industrial activities and community activities on groundwater quality concerning human health, which can then be used to take urgent and effective action to control groundwater pollution and reduce public health risks in an area. In addition, the results of this research are expected to benefit the environmental community, the government, and the private sector as a basis for determining regional development plans and directly contribute to the government and the community to improve environmental management around Parangtritis Beach.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the level of groundwater environmental damage due to community activities in the Parangtritis coastal area, DIY Province

Puspita,

Santosa,

Adji

2023

J. Degrade. Min. Land Manage.

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This study aimed to analyze the level of damage to the groundwater environment in terms of groundwater quality in the coastal area of Parangtritis and its surroundings. This research study unit is based on the landform unit and activities of the community. The research location is located in Parangtritis Village, Yogyakarta Special Region (DIY) Province. This study used a descriptive quantitative analysis as its method of analysis. This study used primary data obtained by testing groundwater samples in the laboratory. The groundwater sampling technique is carried out using the purposive sampling area. Groundwater sampling was carried out on eleven land units. The determination of the level of environmental damage to groundwater is carried out using the Pollution Index (IP) method referring to the Regulation of the Minister of Environment Number 115 of 2003. The results showed that the environmental damage to groundwater shows the quality status of lightly polluted water with pollutant index values ranging from 1.244-4.176 with variable pollutants chemical oxygen demand (COD), dissolved oxygen (DO), ammonia, nitrate, phosphate, and total coliform as well as with sources of pollutants from settlements, livestock, and agricultural activities.

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Multivariate and spatio-temporal groundwater pollution risk assessment: A new long-time serial groundwater environmental impact assessment system

Cited by 18 publications

References 43 publications

Heavy Metals from NEFA Recycling as a Road Base Material: Release Dynamics and Impacts on a Shallow Aquifer

Heavy Metals from NEFA Recycling as a Road Base Material: Release Dynamics and Impacts on a Shallow Aquifer

Groundwater nitrate pollution risk assessment based on the potential impact of land use, nitrogen balance, and vulnerability

Analysis of the level of groundwater environmental damage due to community activities in the Parangtritis coastal area, DIY Province

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