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Chemical Fractions of Heavy Metals in Surface Sediments from Upper Reaches of Zhanghe River and Risk Assessment
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Peng-yang GAO1, 2, Dong-liang ZHAO3, Jin-kun WU1, 2, Yu-chun WANG1, 4, Yao CHENG1, 2
Water Resources and Power | 2023, 41(2) : 40 - 44
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Water Resources and Power | 2023, 41(2): 40-44
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Chemical Fractions of Heavy Metals in Surface Sediments from Upper Reaches of Zhanghe River and Risk Assessment
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Peng-yang GAO1, 2, Dong-liang ZHAO3, Jin-kun WU1, 2, Yu-chun WANG1, 4, Yao CHENG1, 2
Affiliations
  • 1.School of Water Conservancy and Hydroelectric Power, Hebei University of Engineering, Handan 056038, China
  • 2.Hebei Key Laboratory of Intelligent Water Conservancy, Handan 056038, China
  • 3.China Water Resources Beifang Investigation, Design and Research Co. Ltd., Tianjin 300222, China
  • 4.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
Published: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220706
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In order to reveal the pollution characteristics of heavy metals in surface sediments in the upper reaches of the Zhanghe River, the chemical fractions and contents of Cr, As, Cd and Pb in 32 samples were determined. The potential ecological risks were assessed by rations of secondary phase and primary phase, and risk assessment code method. The correlation analysis was used to analyze the sources of heavy metals. The results show that the average contents of heavy metals Cr, As, Cd and Pb are 91.51±24.30, 9.81±3.05, 0.12±0.05, 18.30±5.43 mg/kg, respectively, and only the average contents of Cd do not exceed the background value. Only the content of Cd does not exceed the background value. The exchangeable fraction of Cd is larger than Cr, As, and Pb, and its biochemical activity is relatively high. The potential risks of heavy metals are sorted as Cd>Pb>As>Cr, and the risks are mainly concentrated in the source of Zhuozhang River and the west headwater of Qingzhang River. These four heavy metals mainly come from mineral exploitation, and mining activities contribute to the content and potential risks of heavy metals.

upper reaches of Zhanghe River  /  surface sediments  /  chemical fractions of heavy metals  /  risk assessment  /  source analysis
Peng-yang GAO, Dong-liang ZHAO, Jin-kun WU, Yu-chun WANG, Yao CHENG. Chemical Fractions of Heavy Metals in Surface Sediments from Upper Reaches of Zhanghe River and Risk Assessment[J]. Water Resources and Power, 2023 , 41 (2) : 40 -44 . DOI: 10.20040/j.cnki.1000-7709.2023.20220706
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220706
  • Receive Date：2022-04-11
  • Online Date：2026-01-27
  • Published：2023-02-25
Article Data
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History
  • Received：2022-04-11
  • Revised：2022-05-13
Funding
Affiliations
    1.School of Water Conservancy and Hydroelectric Power, Hebei University of Engineering, Handan 056038, China
    2.Hebei Key Laboratory of Intelligent Water Conservancy, Handan 056038, China
    3.China Water Resources Beifang Investigation, Design and Research Co. Ltd., Tianjin 300222, China
    4.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20220706
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表12种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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