东平湖表层沉积物重金属环境容量评价及趋势预测

于林松, 胡蕾, 王东平, 刘辉, 陈子万, 李华勇, 邓焕广

Assessment and trend prediction of the environmental capacity of heavy metals in surface sediments of the Dongping Lake, North China

YU Lin-Song, HU Lei, WANG Dong-Ping, LIU Hui, CHEN Zi-Wan, LI Hua-Yong, DENG Huan-Guang

表3 不同重金属环境容量等级样品占总样品的比例

Table 3 Proportion of samples with different heavy metal environmental capacity levels to total samples %

容量等级 As Cd Co Cr Cu Hg Mn Ni Pb Tl Zn PI 高容量水平 0 11.4 5.7 8.6 5.7 0 14.3 5.7 5.7 8.6 8.6 8.6 中容量水平 14.3 62.9 82.9 91.4 74.3 97.1 54.3 94.3 94.3 45.7 88.6 82.8 低容量水平 40.0 25.7 11.4 0.0 20.0 2.9 28.6 0 0 42.9 2.9 8.6 警戒水平 34.3 0 0 0 0 0 2.9 0 0 2.9 0 0 过载水平 11.4 0 0 0 0 0 0 0 0 0 0 0 Pi范围 -0.34~ 0.89 0.48~ 1.14 0.51~ 1.06 0.82~ 1.05 0.46~ 1.07 0.55~ 1.00 0.27~ 1.11 0.85~ 1.02 0.90~ 1.02 0.04~ 1.17 0.37~ 1.08 0.68~ 1.04