1. Institute of Global Environmental Change, Xi’an Jiaotong University, China.
2. Department of Earth Sciences, University of Minnesota, Minneapolis, MN, USA.
3. Department of Earth System Science, University of California, Irvine, CA, USA.
4. Institute for Rock Magnetism, University of Minnesota, Minneapolis, MN, USA.
5. Department of Earth Science, California State University Dominguez Hills, Carson, CA, USA.
6. Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China.
7. College of Geography Science, Nanjing Normal University, Nanjing, China.
8. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China.