2014
DOI: 10.1007/978-3-319-10202-3_15
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Abstract: We investigate morphology change of the southern Sendai Coast due to the 2011 Tsunami by analyzing topography and aerial images before and after the tsunami. The results show the characteristics such as erosion in the longshore direction behind seawalls, landward sediment transport during tsunami runup, seaward sediment transport from shore during backwash especially through crevasses of the seawalls, and coastal stabilization by coastal structures such as seawalls, breakwaters and headlands. At the seriously … Show more

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Cited by 11 publications
(9 citation statements)
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“…The significant changes and subsequent recovery of estuarine and coastal morphology in Miyagi Prefecture were reported by numerous researchers (e.g. Tanaka et al, 2012;Udo et al, 2012 and2015;Tappin et al, 2012). One of the most typical damages commonly observed on Yamamoto Coast, which is located in the south of Miyagi Prefecture, was the breaching of sandy coast (Udo et al, 2015).…”
Section: Introductionmentioning
confidence: 81%
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“…The significant changes and subsequent recovery of estuarine and coastal morphology in Miyagi Prefecture were reported by numerous researchers (e.g. Tanaka et al, 2012;Udo et al, 2012 and2015;Tappin et al, 2012). One of the most typical damages commonly observed on Yamamoto Coast, which is located in the south of Miyagi Prefecture, was the breaching of sandy coast (Udo et al, 2015).…”
Section: Introductionmentioning
confidence: 81%
“…Tanaka et al, 2012;Udo et al, 2012 and2015;Tappin et al, 2012). One of the most typical damages commonly observed on Yamamoto Coast, which is located in the south of Miyagi Prefecture, was the breaching of sandy coast (Udo et al, 2015). Due to this tsunami-induced damage, shoreline after the tsunami had concave shape.…”
Section: Introductionmentioning
confidence: 99%
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“…They have a rapidly growing population and a progressively stronger industry [3,4]. However, these areas are also more vulnerable to coastal environmental problems and even to disasters such as tsunamis or floods, especially in developing countries [5,6,7]. Therefore, a series of breakwaters are often placed in ports, jetty and human settlement as a local protection response.…”
Section: Introductionmentioning
confidence: 99%
“…The most recent and penultimate tsunamis are estimated to have occurred in the seventeenth century and the thirteenth to fourteenth century, respectively 3,4,8,9 . Fossil diatom assemblages in coastal sediments have revealed preseismic subsidence and > 1.5 m postseismic uplift before and after the seventeenth century event 10,11 .Extreme tsunami waves produced by coseismic seafloor deformation propagate to surrounding coasts and erode the foredunes and sandy ridges of beaches, causing shoreline recession and leaving sculptural traces [12][13][14][15][16][17][18][19][20][21] . Along the Sendai plain, waves of the 2011 Tohoku tsunami produced funnel-like openings a few tens of meters wide on beaches and breached existing inlets perpendicular to the shoreline.…”
mentioning
confidence: 99%