Institution: | 1 The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China; 2 Department of Environmental Science and Technology, School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China; 3 Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 4 Regional Climate Group, Department of Earth Sciences, University of Gothenburg, SE-40530 Gothenburg, Sweden |