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4 重金属静态总容量和现存总容量

Table 4 Static total capacity and existing total capacity of heavy metals kg·hm-2

环境容量 As Cd Co Cr Cu Hg Mn Ni Pb Tl Zn 静态总容量 39.60 1.06 52.20 430.20 173.48 7.58 1381.5 366.53 331.65 0.65 531.90 现存容量 最小值 -13.53~ -0.27 0.50 26.73 354.44 79.66 4.19 368.55 310.60 298.06 0.02 194.50 最大值 35.27 1.21 55.47 453.86 185.69 7.60 1539.74 373.15 337.84 0.76 573.68 平均值 17.87 0.85 41.82 401.32 139.23 7.45 1084.5 337.58 317.08 0.47 476.42