Climate change and cultural response around 4000 cal yr BP in the western part of Chinese Loess Plateau
article 2005 An, Cheng-Bang et al.

Yellow River Late NeolithicAsia > East Asia
The authors collected and examined pollen and shell samples from soil profiles (dating from the Dadiwan to Xindian phases, and mainly along the Sujiawan section west of Dingxi, Gansu) as evidence for environmental change in the western Loess Plateau,...