Abstract
In view of the excessive heavy metals in soil will affect the quality of crops and the personal safety of local residents, in order to analyze and evaluate the migration characteristics and potential ecological risks of heavy metals in soil in the study area, the heavy metal content, pH, regional distribution, correlation, migration characteristics, enrichment state and potential risk in 0–1 m soil depth were tested and analyzed. The results show that the distribution of most metal elements is closely related to pH in the soil. The contents of elements As, Cr and Hg in the soil of the study area change in an “L” shape along with the buried depth, that is, the contents of As, Cr and Hg increase generally along with the buried depth of the soil, and the contents of elements Cd and Pb decrease along with the buried depth. By analyzing the enrichment degree of heavy metals and evaluating the ecological risk degree, it can be concluded that only element Hg is moderately enriched in the soil layer of 0–0.4 m and Cd is the main ecological risk factor, and the potential ecological risk degree of Yuyao is between slight and moderate ecological risks.
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This paper was funded by “Land quality geological survey procurement project” (NBDW-2017-0623G) from Yuyao Land and Resources Bureau.
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Liu, F., Yang, Z., Yang, R. et al. Migration Characteristics and Potential Ecological Environment Evaluation of Metal Elements in Surface Soil. KSCE J Civ Eng 26, 2068–2076 (2022). https://doi.org/10.1007/s12205-022-1422-5
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DOI: https://doi.org/10.1007/s12205-022-1422-5