University of Michigan, Department of Geological Sciences, Ann Arbor, MI 48109-1063 United States
Chinese Academy of Science, State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an, Shanxi, 710075 China
University of Michigan, Department of Geological Sciences, Ann Arbor, MI 48109-1063 United States
University of Michigan, Department of Geological Sciences, Ann Arbor, MI 48109-1063 United States
University of Michigan, Department of Geological Sciences, Ann Arbor, MI 48109-1063 United States
Lanzhou University, National Laboratory of Environmental Systems in Western China, Ministry of Education of China and College of Resources and Environmen, Lanzhou, Gansu, 730000 China ;
Lanzhou University, National Laboratory of Environmental Systems in Western China, Ministry of Education of China and College of Resources and Environmen, Lanzhou, Gansu, 730000 China ;