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Tsunamis and Earthquakes in Coastal Environments : Significance and Restoration (2016)

Santiago-Fandiño, V. ; Tanaka, H. ; Spiske, Michaela 1980-

[Cham] : Springer

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Schlagwort(e): Earth sciences ; Earth Sciences ; Oceanography ; Natural disasters ; Coasts ; Environmental sciences ; Ecology ; Earth sciences ; Oceanography ; Natural disasters ; Coasts ; Environmental sciences ; Ecology

Beschreibung / Inhaltsverzeichnis: Revisiting the 2001 Peruvian Earthquake and Tsunami Impact along Camana Beach and the Coastline using Numerical Modeling and Satellite Imaging -- Long and Short-term Geomorphological Changes Caused by the AD 1755 Tsunami in Algarve (Portugal) -- Ecosystem Based Tsunami Disaster Risk Reduction in Indonesian Coastal Areas -- Post-tsunami Assessment of Coastal Vegetation, With the View to Protect Coastal Areas from Ocean Surges in Sri Lanka -- Shoreline and Coastal Morphological Changes Induced by the 2004 Indian Ocean Tsunami in the Katchal Island, Andaman and Nicobar – A Study Using Archived Satellite Images -- Mud Volcanoes in an Active Fore-arc Setting: A Case Study from the Makran Coastal Belt, SW Pakistan -- Response of Sheltered Coasts and Built-up Coasts in the Wake of Natural Hazards: The Aftermath of the December 2004 Tsunami, Tamil Nadu, India -- Characteristics of Shoreline Retreat Due to the 2011 Tohoku Earthquake and Tsunami and Its Recovery After Three Years -- Investigating the 2011 Tsunami Impact on the Teizan Canal and the Old River Mouth in Sendai Coast. Miyagi Prefecture, Japan -- Morphological Characteristics of River Mouths After the 2011 Tohoku Tsunami in Miyagi Prefecture -- Post-tsunami Lagoon Morphology Restoration Sendai, Japan -- Minato River Reconstruction and Restoration -An Overview -- Tsunami Impacts on Eelgrass Beds and Acute Deterioration of Coastal Water Quality Due to the Damage of Sewage Treatment Plant in Matsushima Bay, Japan -- Effects of the Great East Japan Tsunami on Fish Populations and Ecosystem Recovery, The Natori River, Northeastern Japan.

Materialart: Online-Ressource

Seiten: Online-Ressource (XIII, 222 p. 120 illus., 83 illus. in color, online resource)

ISBN: 9783319285283

Serie: Coastal Research Library 14

URL: https://doi.org/10.1007/978-3-319-28528-3

URL: http://dx.doi.org/10.1007/978-3-319-28528-3

URL: https://swbplus.bsz-bw.de/bsz470388463cov.jpg

DOI: 10.1007/978-3-319-28528-3

Sprache: Englisch

Anmerkung: Description based upon print version of record

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Extreme waves in the British Virgin Islands during the last centuries before 1500 CE (2017)

Atwater, Brian F. ; ten Brink, Uri S. ; Cescon, Anna Lisa ; [weitere]

Geological Society of America

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Publikationsdatum: 2022-05-25

Beschreibung: © The Author(s), 2017. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Geosphere 13 (2017): 301-368, doi:10.1130/GES01356.1.

Beschreibung: Extraordinary marine inundation scattered clasts southward on the island of Anegada, 120 km south of the Puerto Rico Trench, sometime between 1200 and 1480 calibrated years (cal yr) CE. Many of these clasts were likely derived from a fringing reef and from the sandy flat that separates the reef from the island’s north shore. The scattered clasts include no fewer than 200 coral boulders, mapped herein for the first time and mainly found hundreds of meters inland. Many of these are complete colonies of the brain coral Diploria strigosa. Other coral species represented include Orbicella (formerly Montastraea) annularis, Porites astreoides, and Acropora palmata. Associated bioclastic carbonate sand locally contains articulated cobble-size valves of the lucine Codakia orbicularis and entire conch shells of Strombus gigas, mollusks that still inhabit the sandy shallows between the island’s north shore and a fringing reef beyond. italicmbricated limestone slabs are clustered near some of the coral boulders. In addition, fields of scattered limestone boulders and cobbles near sea level extend mainly southward from limestone sources as much as 1 km inland. Radiocarbon ages have been obtained from 27 coral clasts, 8 lucine valves, and 3 conch shells. All these additional ages predate 1500 cal yr CE, all but 2 are in the range 1000–1500 cal yr CE, and 16 of 22 brain coral ages cluster in the range 1200–1480 cal yr CE. The event marked by these coral and mollusk clasts likely occurred in the last centuries before Columbus (before 1492 CE). The pre-Columbian deposits surpass Anegada’s previously reported evidence for extreme waves in post-Columbian time. The coarsest of the modern storm deposits consist of coral rubble that lines the north shore and sandy fans on the south shore; neither of these storm deposits extends more than 50 m inland. More extensive overwash, perhaps by the 1755 Lisbon tsunami, is marked primarily by a sheet of sand and shells found mainly below sea level beneath the floors of modern salt ponds. This sheet extends more than 1 km southward from the north shore and dates to the interval 1650–1800 cal yr CE. Unlike the pre-Columbian deposits, it lacks coarse clasts from the reef or reef flat; its shell assemblage is instead dominated by cerithid gastropods that were merely stirred up from a marine pond in the island’s interior. In their inland extent and clustered pre-Columbian ages, the coral clasts and associated deposits suggest extreme waves unrivaled in recent millennia at Anegada. Bioclastic sand coats limestone 4 m above sea level in areas 0.7 and 1.3 km from the north shore. A coral boulder of nearly 1 m3 is 3 km from the north shore by way of an unvegetated path near sea level. As currently understood, the extreme flooding evidenced by these and other clasts represents either an extraordinary storm or a tsunami of nearby origin. The storm would need to have produced tsunami-like bores similar to those of 2013 Typhoon Haiyan in the Philippines. Normal faults and a thrust fault provide nearby tsunami sources along the eastern Puerto Rico Trench.

Repository-Name: Woods Hole Open Access Server

Materialart: Article

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