Surface Sediment Cu Characteristics and the Possible Influencing Factors in the Northern Four-Island Area of Penglai District, Yantai City, China. - Hu, Lei; Zou, Ande; Zhang, Pengpeng; Liu, Hongbo; Mei, Xi; Hu, Ziyuan; Lei, Yanxiang; Wang, Xuewenyu; Wang, Xiaodan; Chen, Qiao; Deng, Qinghai (Water, Air & Soil Pollution, 2023)