Historical Migration of Yoneshirogawa River Couse and regional Development

Abstract

The purpose of the present paper is to make clear the process of the development. Historical Migration of River Couse in the Yoneshirogawa River system, basin in the early years of the Edo Period. Eight being buried house are confirmed in the Yoneshirogawa River system until now. As for the being buried house a mud flow accumulation thing accretion due to the flood as the sediment transport. It can think about a being buried house generation with the Heian Period former the building generation and Towada volcanic new eruption activities. A river course in the basin meandering from the existence of the being buried house. Threr was a being buried house at least, terrace side in about 6m low place from alluvial plain, development of paddy field. It can think with the thing that a river course became stable in the 1600' s from the time and so on. It contributed greatly, and community development was done for development of paddy field of the construction technology of flood control and water utilization.