1. State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences (CAS), Xi’an 710061, China
2. CAS Center for Excellence in Quaternary Science and Global Change, Xi’an 710061, China
3. Qingdao National Laboratory for Marine Science and Technology, Qingdao 266003, China
4. Interdisciplinary Research Center of Earth Science Frontier (IRCESF) and Joint Center for Global Change Studies (JCGCS), Beijing Normal University, Beijing 100875, China
5. Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an 710061, China