PROJECT INTRODUCTION:DYNAMIC CHANGES OF THE ENVIRONMENT IN ARID AND SEMI-ARID REGIONS OF CHINA DURING THE PAST 150 ka AND ITS DEVELOPING TREND IN THE FUTURE
4Ding Zhongli,Rutter NW,Liu Tungsheng. Pedostratigraphy of Chinese loess deposits and climatic cycles in the last 2.5Ma[ J ]. Catena, 1993,20:73-91.
5Ding Zhongli,Sun Jimin, Rutter NW et al. Changes in sand content of loess deposits along a north-south transect of Chinese loess Plateau and the implications for desert variations [ J ]. Quaternary Research, 1999,52:56-62.
