Asian summer monsoon circulation contributed to mid-Pleistocene transition

Zeke Zhang1, Weijian Zhou2, Gaojun Li3 and Zhisheng An2, (1)IEE Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China, (2)State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China, (3)Nanjing University, Nanjing, China