著者

山下 俊彦 前原 向一

出版者

公益社団法人 土木学会

雑誌

土木学会論文集B2(海岸工学) (ISSN:18842399)

巻号頁・発行日

vol.68, no.2, pp.I_611-I_615, 2012 (Released:2012-11-15)

参考文献数

2

被引用文献数

1

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Characteristics of ground deformation are surveyed from the data of triangulation point, bench mark, permanent GPS monument and tide level, in east area of Hokkaido. The rate of subsidence in east area of Hokkaido is high, especially, is 1.36cm/year in Notsuke peninsula. The change velocity of tide level is almost constant in the long term. In the area that has high velocity of tide level change, the effect of sea level rise is relatively small, and change velocity of tide level is almost equal to that of subsidence. In Notsuke peninsula, the erosion of coastal area is a serious problem. About quarter of coastal erosion in Notsuke peninsula is caused by subsidence.