TY - JOUR
T1 - Morphological changes at the Nanakita River mouth after the Great East Japan Tsunami of 2011
AU - Tanaka, Hitoshi
AU - Adityawan, Mohammad Bagus
AU - Mano, Akira
N1 - Funding Information:
The authors wish to express their gratitude to the Miyagi Prefectural Government and the Ministry of Land, Infrastructure and Transport for providing us the precious water level data. This research could not be conducted without financial supports from JST / JICA , SATREPS (Science and Technology Research Partnership for Sustainable Development), Grant-in-Aid for Scientific Research from JSPS (no. 22360193 , no. 2301367 ), and Grant-in-Aid for Scientific Research from the River Environmental Fund (REF) in charge of the Foundation of River and Watershed Environmental Management (FOREM) , as well as Assistance for Technological Development, Tohoku Construction Association . The authors would like to gratefully appreciate their supports.
PY - 2014/4
Y1 - 2014/4
N2 - This study investigates the morphological changes near the Nanakita River mouth in Japan. The morphology of the river mouth was greatly influenced during the Great East Japan Tsunami of 2011. The gradual morphological changes at the river mouth were investigated using two sets of data, of which, one was the continuous water level measurement data in the river entrance and in the sea, and the other being the intermittent aerial-photographs. The statistical parameters, viz., the correlation coefficient and the linear gradient between the two water level data, were analyzed, which formed as the basic for understanding the behavior of the river mouth, like river mouth closure or opening detected by the analysis of the water level variation. The proposed method is found efficient and effective in the evaluation of the morphological changes near a river mouth.
AB - This study investigates the morphological changes near the Nanakita River mouth in Japan. The morphology of the river mouth was greatly influenced during the Great East Japan Tsunami of 2011. The gradual morphological changes at the river mouth were investigated using two sets of data, of which, one was the continuous water level measurement data in the river entrance and in the sea, and the other being the intermittent aerial-photographs. The statistical parameters, viz., the correlation coefficient and the linear gradient between the two water level data, were analyzed, which formed as the basic for understanding the behavior of the river mouth, like river mouth closure or opening detected by the analysis of the water level variation. The proposed method is found efficient and effective in the evaluation of the morphological changes near a river mouth.
KW - Correlation
KW - Linear regression
KW - Morphological changes
KW - River mouth
KW - The Great East Japan Tsunami of 2011
KW - Water level variation
UR - http://www.scopus.com/inward/record.url?scp=84893402191&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84893402191&partnerID=8YFLogxK
U2 - 10.1016/j.coastaleng.2014.01.002
DO - 10.1016/j.coastaleng.2014.01.002
M3 - Article
AN - SCOPUS:84893402191
SN - 0378-3839
VL - 86
SP - 14
EP - 26
JO - Coastal Engineering
JF - Coastal Engineering
ER -