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1 采样点分布示意图 注：基于甘肃省地理信息公共服务平台标准地图（审图号：GS（2023）173号）制作，底图边界无修改

Fig.1 Schematic diagram of sampling point distribution