Obliquity forcing of East Asian summer monsoon: oxygen isotopic records from Chinese loess

Zeke Zhang1,2, Tao Li3, Gaojun Li3 and Zhisheng An1, (1)IEE Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China, (2)University of Chinese Academy of Sciences, Beijing, China, (3)Nanjing University, Nanjing, China