胆沢扇状地の集落と散村景の変貌

概要

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Surface features of Isawa fan with many terraces give us suggestions on the relation between surface features and settlements. There are isolated houses on the lower terraces. Isolated houses and agglomerated settlements are distributed east to west along the dissecting valleys on the intermediate terraces, the highest part of which, Uenobara, has few settlements. On the upper terraces heavily dissected, there were only woods before, but some new settlements and meadows around have grown with the promotion of dairying. Below the edges of Isawa fan, there are street villages along the national highway, and hamlets on the valley plain between the national highway and the Kitakami river. Many of hamlets are located on the natural levee of the Kitakami, and there was once cultivated mulberries. The isolated houses on the lower terraces have some features such as hafu facing to east, thatched roof of Kata-irimoya type, seperated stable and toilet toward east, surrounding woods called egune and kizuma and frontal gate of nagaya-mon. These features are gradually replaced by modern ones such as colored zinc roofs or tile roofs of kirizuma or irimoya type and block walls. The gate of nagayamon are diminishing. The change will be faster in accordance with the changing social environments.
東北地理学会の論文