STUDY ON MECHANISM OF SHORELINE CHANGE IN SHICHIRI-MIHAMA IDA BEACH USING WEB CAMERA IMAGES

Huong Thi Lan Vu; Norimi Mizutani

doi:10.9753/icce.v34.sediment.14

No. 34 (2014), Sediment Transport and Morphology

No. 34 (2014)

STUDY ON MECHANISM OF SHORELINE CHANGE IN SHICHIRI-MIHAMA IDA BEACH USING WEB CAMERA IMAGES

Sediment Transport and Morphology

https://doi.org/10.9753/icce.v34.sediment.14

Published 2014-10-06

Huong Thi Lan Vu
Norimi Mizutani

Huong Thi Lan Vu

Norimi Mizutani

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Keywords

WEB camera system
image processing
shoreline change

How to Cite

Vu, H. T. L., & Mizutani, N. (2014). STUDY ON MECHANISM OF SHORELINE CHANGE IN SHICHIRI-MIHAMA IDA BEACH USING WEB CAMERA IMAGES. Coastal Engineering Proceedings, 1(34), sediment.14. https://doi.org/10.9753/icce.v34.sediment.14

Abstract

Image analysis using Web camera can be very useful tool to clarify the mechanics of beach deformation because it allows time domain analysis of shoreline changes. The purpose of the present study is to extract shoreline from the video images using image processing and investigate the relationship between shoreline change and waves. New method to detect shoreline in images has been proposed and it has been demonstrated to detect shoreline more stable than exiting CCD model. Results reveal that the shoreline tends to advance if the significant wave height is ranged between 1m and 2m, whereas it tends to retreat if the significant wave height is larger than 3m. Furthermore, the image analysis revealed that presence of artificial reefs reduces the retreat of shoreline during storm.

https://doi.org/10.9753/icce.v34.sediment.14

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References

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Yamamoto, K., Sato, S., Noguchi, K., Miyano, M. 1999. Gravel layer thickness and beach transformation of the coast with Kumanogawa sediment supply source, Annual Journal of Coastal Engineering, JSCE, 46, 666-670. (In Japanese).

Mizutani, N., Hur, D.-S., Kamiunten, Y., Kamiya A. 2003. Field Measurement and Estimation of Shoreline Change of Gravel Beach Due to Artificial Reef and Nourishment, Annual Journal of Coastal Engineering, JSCE,50 , 581-585. (In Japanese).

Suzuki, K., Ariji, R., Morohoshi, K., Yanagashima, S., Takahashi, S., Matsuyaki, S.,and Suzuki, N. 2008. Development of Coastal Observation System using WEB Camera, Annual Journal of Coastal Engineering, JSCE, 55, 446-1450. (In Japanese).

Authors retain copyright and grant the Proceedings right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this Proceedings.

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STUDY ON MECHANISM OF SHORELINE CHANGE IN SHICHIRI-MIHAMA IDA BEACH USING WEB CAMERA IMAGES

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