黑河流域梯级库区沉积物氮磷营养盐和重金属分布特征及污染评价
王昱, 范逸扬, 袁辉, 王哲辉, 先锋云, 田苗, 袁兴鹏

Characteristics and assessment of nutrient and heavy metal pollution in the cascade reservoir sediments of the Heihe River Basin
Yu Wang, Yiyang Fan, Hui Yuan, Zhehui Wang, Fengyun Xian, Miao Tian, Xingpeng Yuan
图7 沉积物重金属地累积指数
Fig.7 Sediment heavy metal land accumulation index