Cai, Qiufang
Liu, Yu
Duan, Bingchuang
Sun, Changfeng
Funding for this research was provided by:
CAS “Light of West China” Program
National Natural Science Foundation of China (41671212, 41171170, 41630531, 41371221)
CAS Key Research Program of Frontier Sciences (QYZDJ–SSW–DQC021)
National Basic Research Program (2013CB955903)
State Key Laboratory of Loess and Quaternary Geology foundation (SKLLQG)