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The Identification of Soil Heavy Metal Sources and Environmental Risks in Industrial City Peri-Urban Areas: A Case Study from a Typical Peri-Urban Area in Western Laizhou, Shandong, China

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  • Binhua Cao

    (School of Ocean Sciences, China University of Geosciences (Beijing), Beijing 100083, China
    Yantai Coastal Zone Geological Survey Center, China Geological Survey, Yantai 264004, China
    Ministry of Natural Resources Observation and Research Station of Land–Sea Interaction Field in the Yellow River Estuary, Yantai 264000, China)

  • Zhongyu Sun

    (Yantai Coastal Zone Geological Survey Center, China Geological Survey, Yantai 264004, China
    Ministry of Natural Resources Observation and Research Station of Land–Sea Interaction Field in the Yellow River Estuary, Yantai 264000, China)

  • Dapeng Bai

    (Yantai Coastal Zone Geological Survey Center, China Geological Survey, Yantai 264004, China
    Ministry of Natural Resources Observation and Research Station of Land–Sea Interaction Field in the Yellow River Estuary, Yantai 264000, China)

  • Linghao Kong

    (Yantai Coastal Zone Geological Survey Center, China Geological Survey, Yantai 264004, China
    Ministry of Natural Resources Observation and Research Station of Land–Sea Interaction Field in the Yellow River Estuary, Yantai 264000, China)

  • Xuzhen Zhang

    (Yantai Coastal Zone Geological Survey Center, China Geological Survey, Yantai 264004, China
    Ministry of Natural Resources Observation and Research Station of Land–Sea Interaction Field in the Yellow River Estuary, Yantai 264000, China)

  • Jingwen Chen

    (Yantai Coastal Zone Geological Survey Center, China Geological Survey, Yantai 264004, China
    Ministry of Natural Resources Observation and Research Station of Land–Sea Interaction Field in the Yellow River Estuary, Yantai 264000, China)

  • Di Chen

    (Soil Environmental Protection Center, Environmental Planning Institute, Ministry of Ecology and Environment, Beijing 100012, China)

Abstract

During the past several decades, soil heavy metal contamination has emerged as an environmental affliction and subject of study. Soil heavy metal contamination in peri-urban areas is more severe and intricate. The western region of Laizhou City, as a typical industrial city exhibiting vigorous factory, agricultural, and extraction activities, possesses substantial research merit and can offer a noteworthy example for the analysis of heavy metal contamination in the peri-urban areas of industrial cities. We procured 271 surface soil samples (0–20 cm) from the western peri-urban areas of Laizhou City. Through statistical scrutiny, it was discerned that the concentrations of As, Cd, Hg, and Pb surpassed the local baseline concentrations, with the ranking of the coefficient of variation being Hg > 1 > Cd > 0.5 > Pb > Cu > As > Ni > Zn > Cr. Subsequently, we investigated the potential origins of heavy metals through correlation analysis, principal component analysis, and geostatistical analysis and elucidated the primary origins of heavy metals based on the existing land-use scenario: PC1 (As, Cd, Cu, Pb, and Zn) predominantly originated from agricultural pursuits, transportation, and industrial production; PC2 (Cr and Ni) was correlated with soil parent materials; and PC3 (Hg) was attributed to industrial production and open-pit mining of minerals. According to the analysis of the Nemero comprehensive index and potential ecological risk index, the soil environmental risk in the study area was within a controllable range. However, the continuous enrichment of heavy metals in the soil should receive sufficient attention, and continuous monitoring of the site is recommended. This study attempts to use a combination of existing land-use scenarios and statistical analysis methods to analyze the heavy metal pollution conditions in peri-urban industrial cities. Although this study has shortcomings, it provides valuable information for the study of heavy metal sources and environmental risks in typical industrial city suburbs.

Suggested Citation

  • Binhua Cao & Zhongyu Sun & Dapeng Bai & Linghao Kong & Xuzhen Zhang & Jingwen Chen & Di Chen, 2024. "The Identification of Soil Heavy Metal Sources and Environmental Risks in Industrial City Peri-Urban Areas: A Case Study from a Typical Peri-Urban Area in Western Laizhou, Shandong, China," Sustainability, MDPI, vol. 16(11), pages 1-17, May.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:11:p:4655-:d:1405614
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    References listed on IDEAS

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    1. Celia Sabando-Fraile & Marina Corral-Bobadilla & Rubén Lostado-Lorza & Fátima Somovilla-Gomez, 2023. "Multiresponse Performance Evaluation and Life Cycle Assessment for the Optimal Elimination of Pb (II) from Industrial Wastewater by Adsorption Using Vine Shoot Activated Carbon," Sustainability, MDPI, vol. 15(14), pages 1-20, July.
    2. Xiaoyang Liu & Zhongke Bai & Huading Shi & Wei Zhou & Xiaocai Liu, 2019. "Heavy metal pollution of soils from coal mines in China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 99(2), pages 1163-1177, November.
    3. Lei Yu & Jiemin Cheng & Jincheng Zhan & Aixia Jiang, 2016. "Environmental quality and sources of heavy metals in the topsoil based on multivariate statistical analyses: a case study in Laiwu City, Shandong Province, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(3), pages 1435-1445, April.
    Full references (including those not matched with items on IDEAS)

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