鲁西南平原区大气干湿沉降元素输入通量及来源浅析:以巨野县为例

王增辉

An analysis of the input flux and source of elements in dry and wet atmospheric deposition of southwest plain of Shandong:A case study of Juye County

Zeng-Hui WANG

表2 区内大气沉降物中重金属等元素平均富集系数及富集因子

Table 2 Average enrichment coefficient and enrichment factor of heavy metals and other elements in atmospheric deposits in the area

项目 As Cd Cr Cu Hg Pb Ni Zn Se Fe S Ca Mg P K 区内降尘含量均值 4.78 1.33 45.55 34.10 0.05 58.61 26.45 224.91 2.46 1.57 3.70 6.24 2.07 0.05 1.44 区内表层土壤背景值 10.85 0.17 68.2 21.9 0.03 21.24 28.27 66.88 0.17 3.15 0.023 4.28 1.31 0.108 1.93 菏泽表层土壤背景值 10.30 0.15 61.90 21.90 0.03 19.90 27.90 63.00 0.17 2.92 0.020 4.07 1.24 0.101 1.92 富集系数 0.44 7.81 0.67 1.56 1.75 2.76 0.94 3.36 14.33 0.50 160.38 1.46 1.58 0.47 0.75 富集因子(EF) 0.86 16.45 1.37 2.89 3.47 5.47 1.76 6.63 26.93 1.00 344.16 2.85 3.10 0.94 1.39