Abstract
The 2011 Great East Japan Earthquake and Tsunami was one of the most catastrophic natural disasters that took place in Japan, caused significant changes to the sandy coasts. The destruction focused directly on the estuarine and coastal area in Miyagi Prefecture on which many river mouths are located. The severity of the damage to the morphology of these river mouths is likely comparable but the recovery of each reflects different process. This study, by collecting adequately photographs from various sources, provides a comprehensive view of the recovery process at four different river mouths in Miyagi Prefecture: Abukuma, Natori, Naruse and Kitakami Rivers. Over 8 years, some areas had their own potential to self-recover; however, some were under a poor recovering situation that formed an almost unchanged shape and required human endorsement to recover.
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Acknowledgements
A genuine gratitude is expressed to the Kitakami River Lower Reach Office as well as the Sendai Office of River and National Highway, Ministry of Land Infrastructure and Transport (MLIT) for providing valuable aerial images and data utilized to conduct analysis in this study. This study was supported by the “Tohoku Ecosystem-Associated Marine Sciences (TEAMS)” project funded by MEXT.
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Tanaka, H., Nguyen, T.H. (2020). Decadal Morphological Recovery of Estuaries and Coasts After the 2011 Tohoku Tsunami. In: Reddy, J., Wang, C., Luong, V., Le, A. (eds) ICSCEA 2019. Lecture Notes in Civil Engineering, vol 80. Springer, Singapore. https://doi.org/10.1007/978-981-15-5144-4_2
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DOI: https://doi.org/10.1007/978-981-15-5144-4_2
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