Article
Environmental Sciences
Jiatong Zheng, Peng Wang, Hangyuan Shi, Changwei Zhuang, Yirong Deng, Xiaojun Yang, Fei Huang, Rongbo Xiao
Summary: A comprehensive source apportionment framework was developed based on advanced machine learning techniques, which accurately identified the sources of soil heavy metal pollution. The study found serious pollution of heavy metals, with cadmium being the most heavily polluted. Analysis revealed that lead was mainly from vehicle emissions and atmospheric deposition, cadmium and zinc were mainly from sewage irrigation, and chromium and nickel were mainly from natural sources. This study provides more detailed support for environmental protection departments to propose targeted control measures for soil pollution.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Lei Chai, Yuhong Wang, Xin Wang, Liang Ma, Zhenxiang Cheng, Limin Su, Minxia Liu
Summary: This study investigated the spatial distribution, source analysis, and uncertainties of eight heavy metals in cultivated soils in Lanzhou using GIS, PMF, and BS. Some heavy metals exceeded local background values in agricultural soils, with sources identified as natural, industrial, agricultural, and traffic-related activities. Analysis showed lower deviations for certain heavy metals, indicating potential for reduced pollution in cultivated soils and serving as a reference for pollution source allocation in other regions.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Biotechnology & Applied Microbiology
Shiyan Liao, Gaoqi Jin, Muhammad Aman Khan, Youwei Zhu, Lili Duan, Wenxuan Luo, Junwei Jia, Bin Zhong, Jiawei Ma, Zhengqian Ye, Dan Liu
Summary: The study found that intensive human activities, especially atmospheric deposition, industrial emissions, and traffic emissions, are the main causes of heavy metals pollution in suburban farmland soil. Although natural sources still make the largest contribution, input of human activities including industry, transportation, and agriculture cannot be ignored.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Environmental Sciences
Chang Tan, Hao Wang, Qingchun Yang, Liyuan Yuan, Yuling Zhang, Jordi Delgado Martin
Summary: In this study, soil samples near an old industrial area in NE China were analyzed to evaluate the contamination characteristics, source apportionment, and health risk of heavy metals (HMs). The results showed that the soil in the study area was heavily polluted with HMs, primarily from bullet production. The health risk assessment indicated acceptable risk levels for most HMs, but a high cancer risk was observed due to certain pollutants.
ENVIRONMENTAL POLLUTION
(2023)
Article
Environmental Sciences
Yuntao Wang, Guanghui Guo, Degang Zhang, Mei Lei
Summary: This study utilized multivariate statistical analysis, GIS mapping, Pb isotopic ratio analysis, and positive matrix factorization to accurately determine the sources of heavy metals in orchard soil in Karst-regions. The main sources of heavy metals were found to be soil parent materials, fertilizer application, and a mixed source of industrial activity and manure. Uncertainty analysis indicated that heavy metals with lower percentage contributions had higher uncertainty, providing valuable insights for future applications.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Yiru Bai, Yuhan Zhang, Xu Liu, Youqi Wang
Summary: In this study, the spatial distribution and source apportionment of 8 heavy metals in topsoil samples from Shizuishan city in China were investigated. The results showed that the concentrations of these heavy metals were higher than the soil background values, and the soil samples exhibited high pollution and potential ecological risk. The heavy metals mainly originated from natural, industrial, traffic emission/coal consumption, and atmospheric deposition sources.
ENVIRONMENTAL EARTH SCIENCES
(2023)
Article
Environmental Sciences
Guanghui Guo, Degang Zhang, Yuntao Wang
Summary: The study utilized an integrated method to assess source-specific health risks in mining and smelting areas, revealing the significant role of atmospheric deposition in non-carcinogenic risks and the greater contribution of natural sources to carcinogenic risks.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Environmental Sciences
Mohsen Heidari, Tooba Darijani, Vali Alipour
Summary: The main sources of heavy metal pollution in road dust of urban and suburban areas are lithogenic sources and traffic emissions, with industrial/construction activities contributing significantly to ecological risk. Health risks in suburban areas are mainly attributed to traffic emissions, especially for arsenic cancer risk.
Article
Environmental Sciences
Xiaoli Zhou, Rong Hu, Yanming Fang
Summary: Naturally growing mosses have been used as biomonitors of atmospheric heavy metal deposition in Yancheng, China. The study found that Cd pollution level was the highest in mosses, with contamination from metal processing and traffic emissions being the main sources of Pb contamination. Results suggest the need for effective measures to prevent and reduce atmospheric heavy metal deposition in Yancheng.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Green & Sustainable Science & Technology
Yanhong Li, Huifen Kuang, Chunhua Hu, Gang Ge
Summary: This study investigated heavy metal pollution in agricultural soils in the Poyang Lake region, identifying five pollution sources and their contribution rates. Cadmium content exceeded the risk screening value in all sampling sites, indicating significant impact from cadmium contamination on agricultural soils. The spatial pattern of heavy metals closely aligned with outputs of the UNMIX model, supporting its utility for pollution source identification and apportionment in this region.
Article
Environmental Sciences
Cong Yao, Zhijie Shen, Yongmin Wang, Nan Mei, Caixia Li, Yajun Liu, Weibin Ma, Cheng Zhang, Dingyong Wang
Summary: This study evaluated the pollution of heavy metals (HMs) in agricultural soil in a coal gangue stacking area in Chongqing, China, and identified their pollution sources. Results showed that the concentration of cadmium (Cd) in the soil exceeded the environmental standards, mainly originating from the leachate of coal gangue. Other HMs were mainly derived from coal gangue leachate, natural and agricultural mixed pollution, as well as traffic pollution.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Chuanghong Su, Jing Meng, Yunqiao Zhou, Ran Bi, Zhenwei Chen, Jieyi Diao, Zhangxun Huang, Zhiyi Kan, Tieyu Wang
Summary: The present study investigated the heavy metal pollution in soils from an area with intensive industrial activities in South China. The results showed that the concentrations of Cd, As, Hg, Cu, Ni, Pb, and Zn were higher than background levels in both surface and subsurface soils. The primary sources of heavy metals were identified as agriculture, industry, transportation, and nature. Anthropogenic activities significantly influenced the spatial distribution of heavy metals in soils. The health risks of heavy metal exposure via different routes were found to be at an unacceptable level, with higher risks for adults compared to children. Therefore, monitoring heavy metal pollution in soils in rapidly developing areas, such as South China, is of great importance.
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2022)
Article
Environmental Sciences
Jing Wang, Yijia Zheng, Yi Li, Yingbin Wang
Summary: This study analyzed the concentration of heavy metals in surface seawater in the Zhoushan fishing ground during the wet and dry seasons. Four potential sources of heavy metal pollution were identified using a positive matrix factorization model and correlation analysis. The health risk assessment revealed that the non-carcinogenic risk for adults and children was acceptable, and the carcinogenic risk was at a low level. Industrial and traffic sources were found to be the main contributors to pollution.
MARINE POLLUTION BULLETIN
(2023)
Article
Environmental Sciences
Jianli Jia, Bing Xiao, Yan Yu, Yiping Zou, Tian Yu, Shaoyan Jin, Yichi Ma, Xiaolong Gao, Xiao Li
Summary: This study investigated five priority metals recommended by the Ministry of Ecology and Environment of China in the Bijie region of Guizhou Province. The average contents of As, Cd, Cr, Ni, and Pb in soil samples were determined, with Cd and Pb pollution being prominent. The study also assessed the health risks of these metals and found that the non-carcinogenic risk was greater than 1 for children exposed to soils near certain power plants. However, the carcinogenic risk was below the tolerable limit under all exposure routes.
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2023)
Article
Environmental Sciences
Pallavi Pradeep Khobragade, Ajay Vikram Ahirwar
Summary: This study investigated the seasonal variation in PM10 aerosols and associated trace metal concentrations in the urban city of Raipur, India. The study found that the PM10 concentration was higher in winter compared to summer, and identified five major sources for the pollution.
GEOCARTO INTERNATIONAL
(2022)
