期刊,Environmental geochemistry and health 2025年47卷6期_国家学术搜索

Entropy-based groundwater quality evaluation with multivariate analysis and Sobol sensitivity for non-carcinogenic health risks in mid-Gangetic plains, India

Amit KumarAnshuman Singh

186.1-186.25页

查看更多>>摘要：This study assessed the quality and pollution status of the groundwater in an agricultural and densely populated area of Mid-Gangetic Plain Utilizing Principal Component Analysis (PCA), Spearman's correlation analysis, and Entropy water quality index (EWQI) and evaluated the public health hazard resulting due to nitrate and fluoride exposure using USEPA-based Health risk model and Sobol sensitivity analysis (SSA) on the basis of collected groundwater samples. The analysis revealed that several water quality parameters surpassed the permissible levels established by the Bureau of Indian Standards (BIS). Based on the third quartile values the sequence of ionic dominance in the groundwater was observed as: HCO_3~- > Ca~(2+) > Mg~(2+) > Cr > SO_4~(2-) > NO_3~- > PO_4~(3-) >F~-. Approximately 10% of groundwater samples exceeded the desirable fluoride level of 1 mg/l, and 12% of samples surpassed the BIS permissible nitrate limit of 45 mg/l. Correlation analysis suggested key factors driving groundwater chemistry, including agricultural runoff, wastewater discharge, and geological activities. PCA reduced 12 variables to 4 significant components, explaining 68.074% of the variation, identifying both geogenic and anthropogenic interventions on the groundwater quality, and highlighting the complex interplay of these factors in the study area. Groundwater quality, measured by EWQI, ranged from 36.30 to 234 revealing about 85% of samples falling in excellent to fair quality, suitable for drinking. Notedly, there was some overlap in the distribution pattern of poor water quality samples and those with high nitrate, phosphate, and magnesium levels. Health risk assessment revealed that nitrate and fluoride pollution pose a significant non-carcinogenic threat. The total hazard index ranging 0.328-2.77 for children, 0.26-2.23 for females, and 0.22-1.89 for males, with 56.10% of samples exceeding the safe threshold for children, signifying a potential health risk for children than adults. SSA revealed that concentration and intake rate are the most influential variables of nitrate and fluoride exposure, which causes health risks to residents. To ensure public health and safety, the study advises residents to rely on treated water from underground sources. Additionally, it stresses the need for ongoing monitoring of groundwater resources to guide the development of effective pollution mitigation strategies and maintain a safe and reliable water supply.

原文链接:

NETL
NSTL
Springer Nature

Entropy-based groundwater quality evaluation with multivariate analysis and Sobol sensitivity for non-carcinogenic health risks in mid-Gangetic plains, India

Amit KumarAnshuman Singh

186.1-186.25页

查看更多>>摘要：This study assessed the quality and pollution status of the groundwater in an agricultural and densely populated area of Mid-Gangetic Plain Utilizing Principal Component Analysis (PCA), Spearman's correlation analysis, and Entropy water quality index (EWQI) and evaluated the public health hazard resulting due to nitrate and fluoride exposure using USEPA-based Health risk model and Sobol sensitivity analysis (SSA) on the basis of collected groundwater samples. The analysis revealed that several water quality parameters surpassed the permissible levels established by the Bureau of Indian Standards (BIS). Based on the third quartile values the sequence of ionic dominance in the groundwater was observed as: HCO_3~- > Ca~(2+) > Mg~(2+) > Cr > SO_4~(2-) > NO_3~- > PO_4~(3-) >F~-. Approximately 10% of groundwater samples exceeded the desirable fluoride level of 1 mg/l, and 12% of samples surpassed the BIS permissible nitrate limit of 45 mg/l. Correlation analysis suggested key factors driving groundwater chemistry, including agricultural runoff, wastewater discharge, and geological activities. PCA reduced 12 variables to 4 significant components, explaining 68.074% of the variation, identifying both geogenic and anthropogenic interventions on the groundwater quality, and highlighting the complex interplay of these factors in the study area. Groundwater quality, measured by EWQI, ranged from 36.30 to 234 revealing about 85% of samples falling in excellent to fair quality, suitable for drinking. Notedly, there was some overlap in the distribution pattern of poor water quality samples and those with high nitrate, phosphate, and magnesium levels. Health risk assessment revealed that nitrate and fluoride pollution pose a significant non-carcinogenic threat. The total hazard index ranging 0.328-2.77 for children, 0.26-2.23 for females, and 0.22-1.89 for males, with 56.10% of samples exceeding the safe threshold for children, signifying a potential health risk for children than adults. SSA revealed that concentration and intake rate are the most influential variables of nitrate and fluoride exposure, which causes health risks to residents. To ensure public health and safety, the study advises residents to rely on treated water from underground sources. Additionally, it stresses the need for ongoing monitoring of groundwater resources to guide the development of effective pollution mitigation strategies and maintain a safe and reliable water supply.

原文链接:

NETL
NSTL
Springer Nature

Enhancing remediation of As-contaminated orchard soil through intercropping Pteris vittata with low-accumulating peach trees

Junxing YangMengke HeYufeng LiYule Guo...

187.1-187.19页

查看更多>>摘要：In recent years, the frequent occurrence of heavy metal contamination in orchard soils has posed a threat to the quality and edible safety of fruits. To investigate the remediation efficiency and explore the application potential of intercropping patterns featuring hyperaccumulator Pteris vittata in orchards, this study focused on peach trees, a major economic fruit crop, and conducted a systematic examination of intercropping in As-contaminated orchard soil. First, the screening pot experiment compared the As accumulation ability of 10 main peach cultivars in local areas. The results showed that the As content in the peach roots was the highest, followed by the leaves and stems. Lvhua 9 (LH9) and Ruipan 13 (RP13) peach trees had better growth and lower As accumulation. Second, a pot intercropping experiment of P. vittata and low-As peach cultivars (LH9 and RP13) was conducted by the rhizosphere bag method (monoculture, restricted intercropping, opening intercropping). Compared with monoculture, intercropping increased the As content in P. vittata (8.29-134%) and decreased the As content in peach (31.1-69.1%) by root interaction. In addition, intercropping significantly increased the abundance of As-resistant Sphingomonas in the rhizospheres of the two peach cultivars and P. vittata (21.4% to 108%), and the As removal rate was increased (up to 198%). Finally, in the field experiment, the intercropping of P. vittata and LH9 significantly promoted the growth, photosynthesis, and As uptake of P. vittata, especially in rainy July and August. Moreover, the yield of peach fruits was not notably affected, and their As content met national standards. In conclusion, intercropping P. vittata with selected peach cultivars in As-contaminated orchard soils effectively enhances As remediation efficiency while maintaining fruit quality and safety, demonstrating its promising application potential for sustainable orchard management.

原文链接:

NETL
NSTL
Springer Nature

Enhancing remediation of As-contaminated orchard soil through intercropping Pteris vittata with low-accumulating peach trees

Junxing YangMengke HeYufeng LiYule Guo...

187.1-187.19页

查看更多>>摘要：In recent years, the frequent occurrence of heavy metal contamination in orchard soils has posed a threat to the quality and edible safety of fruits. To investigate the remediation efficiency and explore the application potential of intercropping patterns featuring hyperaccumulator Pteris vittata in orchards, this study focused on peach trees, a major economic fruit crop, and conducted a systematic examination of intercropping in As-contaminated orchard soil. First, the screening pot experiment compared the As accumulation ability of 10 main peach cultivars in local areas. The results showed that the As content in the peach roots was the highest, followed by the leaves and stems. Lvhua 9 (LH9) and Ruipan 13 (RP13) peach trees had better growth and lower As accumulation. Second, a pot intercropping experiment of P. vittata and low-As peach cultivars (LH9 and RP13) was conducted by the rhizosphere bag method (monoculture, restricted intercropping, opening intercropping). Compared with monoculture, intercropping increased the As content in P. vittata (8.29-134%) and decreased the As content in peach (31.1-69.1%) by root interaction. In addition, intercropping significantly increased the abundance of As-resistant Sphingomonas in the rhizospheres of the two peach cultivars and P. vittata (21.4% to 108%), and the As removal rate was increased (up to 198%). Finally, in the field experiment, the intercropping of P. vittata and LH9 significantly promoted the growth, photosynthesis, and As uptake of P. vittata, especially in rainy July and August. Moreover, the yield of peach fruits was not notably affected, and their As content met national standards. In conclusion, intercropping P. vittata with selected peach cultivars in As-contaminated orchard soils effectively enhances As remediation efficiency while maintaining fruit quality and safety, demonstrating its promising application potential for sustainable orchard management.

原文链接:

NETL
NSTL
Springer Nature

Impacts of fluorite dissolution in semiarid endemic soil and ecotoxic effect estimated in Allium cepa

Angel R. Diaz-DuarteGerardo A. Anguiano-VegaPatricia Ponce-PenaRoberto Briones-Gallardo...

188.1-188.22页

查看更多>>摘要：Fluorite (CaF_2) leaching and weathering (30 days) were conducted to measure fluoride dissolution in semiarid endemic soil and controlled synthetic solutions, and determining the main chemical species involved in these processes via atomic force microscopy (AFM), X-ray diffraction (XRD) and Scanning electron microscopy (SEM-EDS). Ecological health response in this system was assessed exposing Allium cepa bulbs to 10, 50, 100, 450, 550 and 950 mg CaF_2 kg~(-1) soil to determine genotoxic damage, protein and systemic fluorine concentrations. Results indicated 3 cycles of passive-active fluorite dissolution enabling fluoride concentrations up to 164 mg L~(-1) under endemic conditions; however, highest fluoride dissolution was 780 mg L~(-1) for synthetic sulfates solution. Cyclic behavior was associated with the formation of ultrafine-sized cal-cite (CaCO_3)-like compounds. Fluorine concentrations ranged from 5 to 300 mg kg~(-1) in vegetable tissue. The electrophoretic profiles revealed changes in the protein expression after 7, 15 and 25 days of exposure. Genotoxic damage rate was 50, 82 and 42% for these exposures (950 mg CaF_2 kg~(-1) soil). The dose-response curves of the normalized total protein content revealed the kinetics vegetable health damage rates for only 7 and 25 days. This behavior was best adjusted for only 7 days. These findings exhibited characteristics for initial damage and adaptation-recovery stage after 15 days. Environmental implications of these findings were further discussed.

原文链接:

NETL
NSTL
Springer Nature

Impacts of fluorite dissolution in semiarid endemic soil and ecotoxic effect estimated in Allium cepa

Angel R. Diaz-DuarteGerardo A. Anguiano-VegaPatricia Ponce-PenaRoberto Briones-Gallardo...

188.1-188.22页

查看更多>>摘要：Fluorite (CaF_2) leaching and weathering (30 days) were conducted to measure fluoride dissolution in semiarid endemic soil and controlled synthetic solutions, and determining the main chemical species involved in these processes via atomic force microscopy (AFM), X-ray diffraction (XRD) and Scanning electron microscopy (SEM-EDS). Ecological health response in this system was assessed exposing Allium cepa bulbs to 10, 50, 100, 450, 550 and 950 mg CaF_2 kg~(-1) soil to determine genotoxic damage, protein and systemic fluorine concentrations. Results indicated 3 cycles of passive-active fluorite dissolution enabling fluoride concentrations up to 164 mg L~(-1) under endemic conditions; however, highest fluoride dissolution was 780 mg L~(-1) for synthetic sulfates solution. Cyclic behavior was associated with the formation of ultrafine-sized cal-cite (CaCO_3)-like compounds. Fluorine concentrations ranged from 5 to 300 mg kg~(-1) in vegetable tissue. The electrophoretic profiles revealed changes in the protein expression after 7, 15 and 25 days of exposure. Genotoxic damage rate was 50, 82 and 42% for these exposures (950 mg CaF_2 kg~(-1) soil). The dose-response curves of the normalized total protein content revealed the kinetics vegetable health damage rates for only 7 and 25 days. This behavior was best adjusted for only 7 days. These findings exhibited characteristics for initial damage and adaptation-recovery stage after 15 days. Environmental implications of these findings were further discussed.

原文链接:

NETL
NSTL
Springer Nature

Distribution of potentially toxic elements (PTEs) and health risk assessment of soil in an island province in the Philippines

Ronnel NolosJanice Sevilla-NastorJessica Villanueva-Peyraube

189.1-189.18页

查看更多>>摘要：Soil contamination by potentially toxic elements (PTEs) is a global concern due to its hidden nature and the health risks it poses to humans. This study assessed the concentrations of PTEs, including As, Ba, Cd, Cr, Co, Cu, Fe, Mn, Ni, Pb, and Zn, in the soil of an island province in the Philippines with a history of mining disasters, and estimated the potential health risks via three exposure pathways: incidental ingestion, dermal contact, and inhalation. The median concentrations of cadmium (0.750 mg kg~(-1)), chromium (64.0 mg kg~(-1)), copper (407.5 mg kg~(-1)), nickel (24.0 mg kg~(-1)) and lead (13.5 mg kg~(-1)) in the soil exceeded international safety limits by factors of 250, 1, 6, 480, and 135, respectively. All target hazard quotients for children at all sites, and for adults at two sites, exceeded the threshold of 1, indicating potential non-cancer risks. For cancer risk (CR), all CR values for both children and adults across all sites surpassed the threshold of 1 × 10~(-4), with the highest CR recorded at a site with an abandoned mine. Monte Carlo simulations in the probabilistic risk assessment revealed that Cr had the greatest impact on health risks from PTE exposure, with children showing the highest vulnerability. These findings are crucial for risk communication, guiding long-term remediation efforts, and health interventions related to soil PTE exposure.

原文链接:

NETL
NSTL
Springer Nature

Distribution of potentially toxic elements (PTEs) and health risk assessment of soil in an island province in the Philippines

Ronnel NolosJanice Sevilla-NastorJessica Villanueva-Peyraube

189.1-189.18页

查看更多>>摘要：Soil contamination by potentially toxic elements (PTEs) is a global concern due to its hidden nature and the health risks it poses to humans. This study assessed the concentrations of PTEs, including As, Ba, Cd, Cr, Co, Cu, Fe, Mn, Ni, Pb, and Zn, in the soil of an island province in the Philippines with a history of mining disasters, and estimated the potential health risks via three exposure pathways: incidental ingestion, dermal contact, and inhalation. The median concentrations of cadmium (0.750 mg kg~(-1)), chromium (64.0 mg kg~(-1)), copper (407.5 mg kg~(-1)), nickel (24.0 mg kg~(-1)) and lead (13.5 mg kg~(-1)) in the soil exceeded international safety limits by factors of 250, 1, 6, 480, and 135, respectively. All target hazard quotients for children at all sites, and for adults at two sites, exceeded the threshold of 1, indicating potential non-cancer risks. For cancer risk (CR), all CR values for both children and adults across all sites surpassed the threshold of 1 × 10~(-4), with the highest CR recorded at a site with an abandoned mine. Monte Carlo simulations in the probabilistic risk assessment revealed that Cr had the greatest impact on health risks from PTE exposure, with children showing the highest vulnerability. These findings are crucial for risk communication, guiding long-term remediation efforts, and health interventions related to soil PTE exposure.

原文链接:

NETL
NSTL
Springer Nature

Understanding the impact of aravalli hills mining on groundwater contamination of Delhi, India

Abdul GaniShray Pathak

190.1-190.22页

查看更多>>摘要：Groundwater contamination poses a significant threat to public health and environmental sustainability, particularly in regions impacted by anthropogenic activities such as mining. The purpose of this study was examining the degree of ground-water contamination in Delhi, India, particularly regarding the effects of mining operations in the Aravalli Hills. This study uses an integrated approach that includes the water quality index (WQI), modified heavy metal pollution index, human health risk assessment (HHRA), and geospatial techniques to evaluate the effects of mining on groundwater quality. Data of various physiochemical parameters and heavy metals were collected from the Central Groundwater Board for the year 2023-24. The WQI was calculated by using a hybrid aggregation technique and human health risk was assessed due to the ingestion and dermal contact by using the United States Environmental Protection Agency model. The WQI of the Delhi varies from 2.15 to 94.03. Results of WQI concluded that the groundwater quality of Delhi state was mostly lie in the category of poor to very poor quality, indicating serious deterioration. According to the results of HHRA, the value of total hazard index (THI) was varying from 0.86 to 49.25 for infants, 0.39 to 33.62 for children, 0.18 to 15.71 for teens and 0.16 to 13.72 for adults. The spatial distribution of WQI, THI and cancer risk were further mapped using geospatial mapping techniques, which also connected them to certain mining zones and geological vulnerabilities. In order to reduce contamination and safeguard public health, finding of the study highlights the urgent need for groundwater management plans, sustainable mining methods, and regulatory actions. In order to encourage water conservation measures and lower the release of pollutants into the environment, public awareness campaigns and community involvement should also be crucial. SDG 6 goals may be further supported by funding groundwater recharge projects and cutting-edge treatment technology, which will restore damaged aquifers and guarantee that everyone has access to safe water.

原文链接:

NETL
NSTL
Springer Nature

Understanding the impact of aravalli hills mining on groundwater contamination of Delhi, India

Abdul GaniShray Pathak

190.1-190.22页

查看更多>>摘要：Groundwater contamination poses a significant threat to public health and environmental sustainability, particularly in regions impacted by anthropogenic activities such as mining. The purpose of this study was examining the degree of ground-water contamination in Delhi, India, particularly regarding the effects of mining operations in the Aravalli Hills. This study uses an integrated approach that includes the water quality index (WQI), modified heavy metal pollution index, human health risk assessment (HHRA), and geospatial techniques to evaluate the effects of mining on groundwater quality. Data of various physiochemical parameters and heavy metals were collected from the Central Groundwater Board for the year 2023-24. The WQI was calculated by using a hybrid aggregation technique and human health risk was assessed due to the ingestion and dermal contact by using the United States Environmental Protection Agency model. The WQI of the Delhi varies from 2.15 to 94.03. Results of WQI concluded that the groundwater quality of Delhi state was mostly lie in the category of poor to very poor quality, indicating serious deterioration. According to the results of HHRA, the value of total hazard index (THI) was varying from 0.86 to 49.25 for infants, 0.39 to 33.62 for children, 0.18 to 15.71 for teens and 0.16 to 13.72 for adults. The spatial distribution of WQI, THI and cancer risk were further mapped using geospatial mapping techniques, which also connected them to certain mining zones and geological vulnerabilities. In order to reduce contamination and safeguard public health, finding of the study highlights the urgent need for groundwater management plans, sustainable mining methods, and regulatory actions. In order to encourage water conservation measures and lower the release of pollutants into the environment, public awareness campaigns and community involvement should also be crucial. SDG 6 goals may be further supported by funding groundwater recharge projects and cutting-edge treatment technology, which will restore damaged aquifers and guarantee that everyone has access to safe water.

原文链接:

NETL
NSTL
Springer Nature