1. State Key Laboratory of Loess and Quaternary Geology Key Laboratory of Aerosol Chemistry and Physics CAS Center for Excellence in Quaternary Science and Global Change Institute of Earth Environment Chinese Academy of Sciences Xi'an China
2. Centre for Isotope Research (CIO) Energy and Sustainability Research Institute Groningen (ESRIG) University of Groningen Groningen the Netherlands
3. Meteorological Institute of Shaanxi Province Xi'an China
4. School of Advanced Materials Engineering Jiaxing Nanhu University Jiaxing China
5. University of Chinese Academy of Sciences Beijing China
6. Institute of Global Environmental Change Xi'an Jiaotong University Xi'an China