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

表7 黑河干流库区沉积物污染元素相关性分析

Table 7 Correlation analysis of pollution elements in sediments of Heihe River reservoir area

TN TP As Cd Cr Cu Mn Ni Pb Zn TN 1 TP 0.934 1 As -0.957* -0.791 1 Cd 0.905 0.791 -0.913 1 Cr -0.930 -0.986* 0.795 -0.856 1 Cu 0.632 0.341 -0.809 0.812 -0.413 1 Mn 0.996** 0.956* -0.932 0.869 -0.941 0.561 1 Ni -0.471 -0.653 0.281 -0.593 0.742 -0.097 -0.479 1 Pb -0.534 -0.262 0.707 -0.793 0.364 -0.977* -0.456 0.193 1 Zn 0.584 0.317 -0.743 0.431 -0.250 0.653 0.561 0.430 -0.482 1