Climate fluctuation record from China's Salawusu River valley during the early last glacial

This paper funded by National Basic Research Program of China, Grant Number: 2010CB833405; National Natural Science Foundation of China, Grant Number: 40772118, 49971009; the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences Foundation, Grant Number: SKLLQG0309. We are grateful to M. A. Levitan for his thorough review that has improved the manuscript substantially.