2020 Volume 76 Issue 2 Pages I_654-I_659
Quasi-high-resolution open satellite images were collected from the Internet to extract seasonal variation of wide-area shorelines positions. The target area of this study is the eastern part of the Enshu-nada Coast in Shizuoka Prefecture extending 20 km from the mouth of the Tenryu River. The shoreline positions were read every 10 m from 78 scenes taken between 2010 and 2019. The result shows wavy distribution of shoreline position in the vicinities of break water and jetty, and also variational tendencies (accumulation or retreat) which are consistent with previous studies. Further, comparison with survey results shows that the mean error of shoreline position was similar to the spatial resolution of the satellite.
