RECOVERY OF SANDY BEACH BY GRAVEL NOURISHMENT - EXAMPLE OF NINOMIYA COAST IN KANAGAWA PREFECTURE, JAPAN
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Keywords

Gravel nourishment
Ninomiya coast
BG model
beach changes
groins

How to Cite

Ishikawa, T., Uda, T., Miyahara, S., Serizawa, M., Fukuda, M., & Hara, Y. (2014). RECOVERY OF SANDY BEACH BY GRAVEL NOURISHMENT - EXAMPLE OF NINOMIYA COAST IN KANAGAWA PREFECTURE, JAPAN. Coastal Engineering Proceedings, 1(34), sediment.6. https://doi.org/10.9753/icce.v34.sediment.6

Abstract

The effect of gravel nourishment on the Ninomiya coast, located west of the damaged site of the Seisho Bypass, was investigated. On the basis of field data, a method of recovering the sandy beach by gravel nourishment was numerically investigated using the BG model. As a facility to prevent nourishment gravel from being transported alongshore, two groins were considered, and their effectiveness was shown. The high stability of the recovered beach and the effectiveness of gravel nourishment were confirmed.
https://doi.org/10.9753/icce.v34.sediment.6
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References

Sakai, K., Uda, T., Serizawa, M., Kumada, T. and Kanda, Y. 2006. Model for predicting three- dimensional sea bottom topography of statically stable beach, Proc. 30th ICCE, pp. 3184-3196.

Serizawa, M., Uda, T., San-nami, T. and Furuike, K. 2006. Three-dimensional model for predicting beach changes based on Bagnold's concept, Proc. 30th ICCE, pp. 3155-3167.

Serizawa, M., Uda, T., Suzuki, K., Maruyama, S., Takano, H., San-nami, T. and Ishikawa, T. 2009. Numerical simulation of rapid erosion of Seisho coast triggered by storm waves during Typhoon 0709, Proc. Coastal Dynamics 2009, Paper No. 93, pp. 1-14.

Uda, T. and Kawano, S. 1996. Development of contour-line change model for predicting beach

changes, Proc. JSCE, No.539/II-35, pp. 121-139, 1996. (in Japanese)

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