TY - GEN
T1 - Monitoring topographic and habitat changes in natural sand dunes after setting back seawall at nakatsu tidal flat, oita, japan
AU - Seino, Satoko
AU - Ashikaga, Y.
AU - Uda, T.
AU - Mihara, H.
AU - Watanabe, S.
PY - 2011/1/1
Y1 - 2011/1/1
N2 - A coastal dike for protecting the wetland was set back in 2004 near the mouth of the Maite River flowing into the Nakatsu tidal flat. Monitoring surveys were carried out between 2005 and 2009 after the setting back. During the observation period, Typhoon No. 5 hit the coast on August 2, 2007, resulting in the increase in tide level up to DL+4.7 m, which was a maximum since 2000. Owing to the storm surge, shoreward sand transport occurred and a high berm with a height of DL+5.02 m was formed with the recession of the foreshore by 5 m. No changes were observed in the wetland and its environment was maintained despite the storm surges, suggesting that the setting back was useful for protecting the wetland against storm surge.
AB - A coastal dike for protecting the wetland was set back in 2004 near the mouth of the Maite River flowing into the Nakatsu tidal flat. Monitoring surveys were carried out between 2005 and 2009 after the setting back. During the observation period, Typhoon No. 5 hit the coast on August 2, 2007, resulting in the increase in tide level up to DL+4.7 m, which was a maximum since 2000. Owing to the storm surge, shoreward sand transport occurred and a high berm with a height of DL+5.02 m was formed with the recession of the foreshore by 5 m. No changes were observed in the wetland and its environment was maintained despite the storm surges, suggesting that the setting back was useful for protecting the wetland against storm surge.
UR - http://www.scopus.com/inward/record.url?scp=84900851282&partnerID=8YFLogxK
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U2 - 10.1142/9789814366489_0130
DO - 10.1142/9789814366489_0130
M3 - Conference contribution
AN - SCOPUS:84900851282
SN - 9789814366489
T3 - Asian and Pacific Coasts, 2011 - Proceedings of the 6th International Conference
SP - 1093
EP - 1101
BT - Asian and Pacific Coasts, 2011 - Proceedings of the 6th International Conference
A2 - Lee, Joseph Hun-Wei
A2 - Ng, Chiu-On
PB - [publishername] World Scientific
T2 - 6th International Conference on Asian and Pacific Coasts, APAC 2011
Y2 - 14 December 2011 through 16 December 2011
ER -