Climate change and cultural response around 4000 cal yr B.P. in the western part of Chinese Loess Plateau
Chengbang AnCenter for Arid Environment and Paleoclimate Research, Key Laboratory of Western China's Environmental Systems, MOE, Environment and Resources College, Lanzhou University, Lanzhou 730000, ChinaLingyu TangNanjing Institute of Geology and Paleontology, CAS, Nanjing 210008, ChinaLoukas BartonDepartment of Anthropology, University of California, Davis, CA 95616, USAFahu ChenCenter for Arid Environment and Paleoclimate Research, Key Laboratory of Western China's Environmental Systems, MOE, Environment and Resources College, Lanzhou University, Lanzhou 730000, China
2005en
ABI
Аннотация
New data suggest that dramatic environmental change in the Western Loess Plateau of China corresponded with substantial changes in human demography ca. 4000 cal yr B.P. These data demonstrate that a rapid climatic transition from wet to dry led to an ecologically devastated period between 4090 and 3600 cal yr B.P. The sudden reduction in the number of archaeological sites during this period, namely a reduction in the total number of sites and a contraction of the areal distribution of sites, points to declining agricultural productivity associated with widespread aridification beginning at 4000 cal yr B.P.
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