Social Network Analysis of Ancient Japanese Obsidian Artifacts Reflecting Sampling Bias Reduction by Sakahira, Fumihiro, Tsumura, Hiroomi

“…The research results revealed that the trade networks during the Jomon period were not constant; they expanded throughout the southern Kanto region during the Middle Jomon period (5,500–4,500 years cal BP) and ceased to function during the Late Jomon period (4,500–3,200 years cal BP). …”
Get full text

Water balance analysis of hydrological processes in cyclic irrigation: A case study of the Imbanuma irrigation area in Chiba, Japan by Fumi Okura, Asuka Kamei, Tasuku Kato

Get full text