Fig. 2From: Tsunami deposits associated with the 1983 Nihonkai-Chubu earthquake tsunami in coastal forests near Happo Town, Akita Prefecture, JapanHistory of topographic and land-use changes around Shimo-Katchikidai on the northern Akita coast, based on aerial photographs taken by the Geospatial Information Authority of Japan from 1948 to 2011 (Geospatial Information Authority of Japan 2022). The positions of the transects (a–b and c–d) shown in Fig. 3 are markedBack to article page