1. State Key Laboratory of Continental Dynamics Department of Geology Northwest University Xi'an P. R. China
2. State Key Laboratory of Loess and Quaternary Geology Institute of Earth Environment Chinese Academy of Sciences Xi'an P. R. China
3. Department of Earth and Planetary Sciences Yale University New Haven CT USA
4. LOCEAN/IPSL Sorbonne University Paris France
5. Department of Atmospheric, Oceanic & Earth Sciences Center for Ocean‐Land‐Atmosphere Studies George Mason University Fairfax VA USA
6. Department of Geography University College London London UK