College of Atmospheric Science;
Nanjing University of Information Science & Technology;
Nanjing 210044 (China);
College of Urban and Environmental Sciences;
Peking University;
Beijing 100871 (China);
Department of Earth Sciences;
Nanjing University;
Nanjing 210093 (China);
稀土元素; 洞庭湖区; 元素地球化学特征; 红壤; 环境意义; 黄土高原; 风化强度; 风化特征;