- Development and disintegration of Maya political systems in response to climate changeDouglas J Kennett
Department of Anthropology, Pennsylvania State University, University Park, PA 16802, USA
Science 338:788-91. 2012..E. that triggered the balkanization of polities, increased warfare, and the asynchronous disintegration of polities, followed by population collapse in the context of an extended drought between 1020 and 1100 C.E...
- Correlating the ancient Maya and modern European calendars with high-precision AMS 14C datingDouglas J Kennett
Department of Anthropology, The Pennsylvania State University, University Park, PA 16802, USA
Sci Rep 3:1597. 2013..This strongly supports the Goodman-Martínez-Thompson (GMT) correlation and the hypothesis that climate change played an important role in the development and demise of this complex civilization...
- Sociopolitical effects of bow and arrow technology in prehistoric coastal CaliforniaDouglas J Kennett
Evol Anthropol 22:124-32. 2013..We argue that the interplay between intra-group "law enforcement" and inter-group warfare were both essential for the ultimate emergence of social inequality between AD 900 and 1300...