Articles | Volume 20, issue 10
https://doi.org/10.5194/nhess-20-2823-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-20-2823-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Oct 2020
Research article |
| 28 Oct 2020
| 28 Oct 2020
Investigating beach erosion related with tsunami sediment transport at Phra Thong Island, Thailand, caused by the 2004 Indian Ocean tsunami
Ryota Masaya
CORRESPONDING AUTHOR
Civil and Environmental Engineering, Graduate School of Engineering,
Tohoku University, 6-6-06 Aoba, Aramaki-Aza, Aoba, Sendai 980-0845, Japan
Anawat Suppasri
International Research Institute of Disaster Science, Tohoku
University, 468-1 Aoba, Aramaki-Aza, Aoba, Sendai 980-0845, Japan
Kei Yamashita
International Research Institute of Disaster Science, Tohoku
University, 468-1 Aoba, Aramaki-Aza, Aoba, Sendai 980-0845, Japan
Fumihiko Imamura
International Research Institute of Disaster Science, Tohoku
University, 468-1 Aoba, Aramaki-Aza, Aoba, Sendai 980-0845, Japan
Chris Gouramanis
Department of Geography, National University of Singapore, 1 Arts
Link, Singapore 117570, Singapore
Natt Leelawat
Department of Industrial Engineering, Faculty of Engineering,
Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
Disaster and Risk Management Information Systems Research Group,
Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand
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Emma Rehn, Haidee Cadd, Scott Mooney, Tim J. Cohen, Henry Munack, Alexandru T. Codilean, Matthew Adeleye, Kristen K. Beck, Mark Constantine IV, Chris Gouramanis, Johanna M. Hanson, Penelope J. Jones, A. Peter Kershaw, Lydia Mackenzie, Maame Maisie, Michela Mariani, Kia Matley, David McWethy, Keely Mills, Patrick Moss, Nicholas R. Patton, Cassandra Rowe, Janelle Stevenson, John Tibby, and Janet Wilmshurst
Earth Syst. Sci. Data, 17, 2681–2692, https://doi.org/10.5194/essd-17-2681-2025, https://doi.org/10.5194/essd-17-2681-2025, 2025
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This paper presents SahulCHAR, a new collection of palaeofire (ancient fire) records from Australia, New Guinea, and New Zealand. SahulCHAR version 1 contains 687 records of sedimentary charcoal or black carbon, including digitized data, records from existing databases, and original author-submitted data. SahulCHAR is a much-needed update to past charcoal compilations that will also provide greater representation of records from this region in future global syntheses to understand past fire.
Kenta Tozato, Shuji Moriguchi, Shinsuke Takase, Yu Otake, Michael R. Motley, Anawat Suppasri, and Kenjiro Terada
Nat. Hazards Earth Syst. Sci., 23, 1891–1909, https://doi.org/10.5194/nhess-23-1891-2023, https://doi.org/10.5194/nhess-23-1891-2023, 2023
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This study presents a framework that efficiently investigates the optimal placement of facilities probabilistically based on advanced numerical simulation. Surrogate models for the numerical simulation are constructed using a mode decomposition technique. Monte Carlo simulations using the surrogate models are performed to evaluate failure probabilities. Using the results of the Monte Carlo simulations and the genetic algorithm, optimal placements can be investigated probabilistically.
An-Chi Cheng, Anawat Suppasri, Kwanchai Pakoksung, and Fumihiko Imamura
Nat. Hazards Earth Syst. Sci., 23, 447–479, https://doi.org/10.5194/nhess-23-447-2023, https://doi.org/10.5194/nhess-23-447-2023, 2023
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Consecutive earthquakes occurred offshore of southern Taiwan on 26 December 2006. This event revealed unusual tsunami generation and propagation, as well as unexpected consequences for the southern Taiwanese coast (i.e., amplified waves and prolonged durations). This study aims to elucidate the source characteristics of the 2006 tsunami and the important behaviors responsible for tsunami hazards in Taiwan such as wave trapping and shelf resonance.
Chatuphorn Somphong, Anawat Suppasri, Kwanchai Pakoksung, Tsuyoshi Nagasawa, Yuya Narita, Ryunosuke Tawatari, Shohei Iwai, Yukio Mabuchi, Saneiki Fujita, Shuji Moriguchi, Kenjiro Terada, Cipta Athanasius, and Fumihiko Imamura
Nat. Hazards Earth Syst. Sci., 22, 891–907, https://doi.org/10.5194/nhess-22-891-2022, https://doi.org/10.5194/nhess-22-891-2022, 2022
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The majority of past research used hypothesized landslides to simulate tsunamis, but they were still unable to properly explain the observed data. In this study, submarine landslides were simulated by using a slope-failure-theory-based numerical model for the first time. The findings were verified with post-event field observational data. They indicated the potential presence of submarine landslide sources in the southern part of the bay and were consistent with the observational tsunamis.
Elisa Lahcene, Ioanna Ioannou, Anawat Suppasri, Kwanchai Pakoksung, Ryan Paulik, Syamsidik Syamsidik, Frederic Bouchette, and Fumihiko Imamura
Nat. Hazards Earth Syst. Sci., 21, 2313–2344, https://doi.org/10.5194/nhess-21-2313-2021, https://doi.org/10.5194/nhess-21-2313-2021, 2021
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In Indonesia, tsunamis represent a significant risk to coastal communities and buildings. Therefore, it is fundamental to deeply understand the tsunami source impact on buildings and infrastructure. This work provides a novel understanding of the relationship between wave period, ground shaking, liquefaction events, and potential building damage using tsunami fragility curves. This study represents the first investigation of colossal impacts increasing building damage.
Constance Ting Chua, Adam D. Switzer, Anawat Suppasri, Linlin Li, Kwanchai Pakoksung, David Lallemant, Susanna F. Jenkins, Ingrid Charvet, Terence Chua, Amanda Cheong, and Nigel Winspear
Nat. Hazards Earth Syst. Sci., 21, 1887–1908, https://doi.org/10.5194/nhess-21-1887-2021, https://doi.org/10.5194/nhess-21-1887-2021, 2021
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Port industries are extremely vulnerable to coastal hazards such as tsunamis. Despite their pivotal role in local and global economies, there has been little attention paid to tsunami impacts on port industries. For the first time, tsunami damage data are being extensively collected for port structures and catalogued into a database. The study also provides fragility curves which describe the probability of damage exceedance for different port industries given different tsunami intensities.
Syamsidik, Benazir, Mumtaz Luthfi, Anawat Suppasri, and Louise K. Comfort
Nat. Hazards Earth Syst. Sci., 20, 549–565, https://doi.org/10.5194/nhess-20-549-2020, https://doi.org/10.5194/nhess-20-549-2020, 2020
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On 22 December 2018, a tsunami was generated from the Mount Anak Krakatau area that was caused by volcanic flank failures. The tsunami had severe impacts on the western coasts of Banten and the southern coasts of Lampung in Indonesia. A series of surveys to measure the impacts of the tsunami was started 3 d after the tsunami and lasted for 10 d. This paper provides insights from the tsunami-affected area in terms of distribution of tsunami flow depths, boulders and building damage.
Anawat Suppasri, Kwanchai Pakoksung, Ingrid Charvet, Constance Ting Chua, Noriyuki Takahashi, Teraphan Ornthammarath, Panon Latcharote, Natt Leelawat, and Fumihiko Imamura
Nat. Hazards Earth Syst. Sci., 19, 1807–1822, https://doi.org/10.5194/nhess-19-1807-2019, https://doi.org/10.5194/nhess-19-1807-2019, 2019
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It is known that fragility functions reflect localities (building design standards and topography) and flow velocity is more important, as damage might occur before flow depth reaches its maximum value. This research demonstrates that it is possible to accurately predict building damage by considering related forces with high accuracy, including resistant force, based on building design standards. This method will be useful for damage assessment in areas that have no experience of tsunamis.
Syamsidik, Tursina, Anawat Suppasri, Musa Al'ala, Mumtaz Luthfi, and Louise K. Comfort
Nat. Hazards Earth Syst. Sci., 19, 299–312, https://doi.org/10.5194/nhess-19-299-2019, https://doi.org/10.5194/nhess-19-299-2019, 2019
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This research aimed to assess the tsunami flow velocity and height reduction produced by a planned elevated road parallel to the coast of Banda Aceh called the Banda Aceh Outer Ring Road (BORR). The Cornell Multi-Grid Coupled Tsunami Model (COMCOT) was used to simulate eight scenarios of the tsunami. One of them was based on the 2004 Indian Ocean tsunami. Two magnitudes of earthquake were used, that is, 8.5 and 9.15 Mw. The elevated road can potentially mitigate the impacts of future tsunamis.
Anawat Suppasri, Kentaro Fukui, Kei Yamashita, Natt Leelawat, Hiroyuki Ohira, and Fumihiko Imamura
Nat. Hazards Earth Syst. Sci., 18, 145–155, https://doi.org/10.5194/nhess-18-145-2018, https://doi.org/10.5194/nhess-18-145-2018, 2018
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We developed fragility functions of aquaculture rafts and eelgrass based on damage data and numerical simulation of the 2011 Great East Japan tsunami. These fragility functions explain damage characteristics of both items against tsunami flow velocity. By understanding these characteristics, damage estimation and loss assessment as well as marine/fishery disaster mitigation plan and management in other areas of the world from future tsunamis can be implemented.
Duncan Ackerley, Jessica Reeves, Cameron Barr, Helen Bostock, Kathryn Fitzsimmons, Michael-Shawn Fletcher, Chris Gouramanis, Helen McGregor, Scott Mooney, Steven J. Phipps, John Tibby, and Jonathan Tyler
Clim. Past, 13, 1661–1684, https://doi.org/10.5194/cp-13-1661-2017, https://doi.org/10.5194/cp-13-1661-2017, 2017
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A selection of climate models have been used to simulate both pre-industrial (1750 CE) and mid-Holocene (6000 years ago) conditions. This study presents an assessment of the temperature, rainfall and flow over Australasia from those climate models. The model data are compared with available proxy data reconstructions (e.g. tree rings) for 6000 years ago to identify whether the models are reliable. Places where there is both agreement and conflict are highlighted and investigated further.
E. Mas, J. Bricker, S. Kure, B. Adriano, C. Yi, A. Suppasri, and S. Koshimura
Nat. Hazards Earth Syst. Sci., 15, 805–816, https://doi.org/10.5194/nhess-15-805-2015, https://doi.org/10.5194/nhess-15-805-2015, 2015
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Super Typhoon Haiyan devastated the Eastern Visayas islands of the Philippines on 8 November 2013. The International Research Institute of Disaster Science (IRIDeS) at Tohoku University in Sendai, Japan, deployed several teams for damage recognition, relief support and collaboration with regard to this event. In this paper, we summarize the rapid damage assessment from satellite imagery conducted days after the event and report on the inundation measurements and damage surveyed in the field.
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Revised manuscript accepted for NHESS
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Climate-change-induced sea level rise increases the frequency of extreme sea levels. We analyze projected changes in extreme sea levels for western European coasts produced with high-resolution models (∼ 6 km). Unlike commonly used coarse-scale global climate models, this approach allows us to simulate key processes driving coastal sea level variations, such as long-term sea level rise, tides, storm surges induced by low atmospheric surface pressure and winds, waves, and their interactions.
Catherine Renae Jeffries, Robert Weiss, Jennifer L. Irish, and Kyle Mandli
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Barrier islands are important to their adjacent mainland coastline. Breaching of barrier islands creates a channel of water between the ocean and bay and increases the storm surge along the mainland coast. To examine how breaching impacts the coast we simulated a hurricane and varied the number, locations, and sizes of different breaches. We learned that total breach area directly impacts coastal flooding, and breach locations are an important predictor of flooding.
Joshua Kiesel, Claudia Wolff, and Marvin Lorenz
Nat. Hazards Earth Syst. Sci., 24, 3841–3849, https://doi.org/10.5194/nhess-24-3841-2024, https://doi.org/10.5194/nhess-24-3841-2024, 2024
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In October 2023, one of the strongest storm surges on record hit the southwestern Baltic Sea coast, causing severe impacts in the German federal state of Schleswig-Holstein, including dike failures. Recent studies on coastal flooding from the same region align well with the October 2023 surge, with differences in peak water levels of less than 30 cm. This rare coincidence is used to assess current capabilities and limitations of coastal flood modelling and derive key areas for future research.
Yujie Liu, Yuncheng He, Pakwai Chan, Aiming Liu, and Qijun Gao
EGUsphere, https://doi.org/10.5194/egusphere-2024-3223, https://doi.org/10.5194/egusphere-2024-3223, 2024
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Offshore wind turbines are sensitive to tropical cyclones (TCs). Wind data from Super Typhoons Mangkhut and Saola, impacting South China, are vital for design and operation. Despite Saola's higher intensity, it caused less damage. Both had concentric eyewall structures, but Saola completed an eyewall replacement before landfall, becoming more compact. Mangkhut decayed but affected a wider area. Their wind characteristics provide insights for turbine maintenance and operation.
Emmie Malika Bonilauri, Catherine Aaron, Matteo Cerminara, Raphaël Paris, Tomaso Esposti Ongaro, Benedetta Calusi, Domenico Mangione, and Andrew John Lang Harris
Nat. Hazards Earth Syst. Sci., 24, 3789–3813, https://doi.org/10.5194/nhess-24-3789-2024, https://doi.org/10.5194/nhess-24-3789-2024, 2024
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Currently on the island of Stromboli, only 4 min of warning time is available for a locally generated tsunami. We combined tsunami simulations and human exposure to complete a risk analysis. We linked the predicted inundation area and the tsunami warning signals to assess the hazard posed by future tsunamis and to design escape routes to reach safe areas and to optimise evacuation times. Such products can be used by civil protection agencies on Stromboli.
Robert McCall, Curt Storlazzi, Floortje Roelvink, Stuart G. Pearson, Roel de Goede, and José A. Á. Antolínez
Nat. Hazards Earth Syst. Sci., 24, 3597–3625, https://doi.org/10.5194/nhess-24-3597-2024, https://doi.org/10.5194/nhess-24-3597-2024, 2024
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Accurate predictions of wave-driven flooding are essential to manage risk on low-lying, reef-lined coasts. Models to provide this information are, however, computationally expensive. We present and validate a modeling system that simulates flood drivers on diverse and complex reef-lined coasts as competently as a full-physics model but at a fraction of the computational cost to run. This development paves the way for application in large-scale early-warning systems and flood risk assessments.
Laura Schaffer, Andreas Boesch, Johanna Baehr, and Tim Kruschke
EGUsphere, https://doi.org/10.5194/egusphere-2024-3144, https://doi.org/10.5194/egusphere-2024-3144, 2024
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We developed a simple yet effective model to predict storm surges in the German Bight, using wind data and a multiple linear regression approach. Trained on historical data from 1959 to 2022, our storm surge model demonstrates high predictive skill and performs as well as more complex models, despite its simplicity. It can predict both moderate and extreme storm surges, making it a valuable tool for future climate change studies.
Jean H. M. Roger and Bernard Pelletier
Nat. Hazards Earth Syst. Sci., 24, 3461–3478, https://doi.org/10.5194/nhess-24-3461-2024, https://doi.org/10.5194/nhess-24-3461-2024, 2024
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We present a catalogue of tsunamis that occurred in the Vanuatu Arc. It has been built based on the analysis of existing catalogues, historical documents, and sea-level data from five coastal tide gauges. Since 1863, 100 tsunamis of local, regional, or far-field origins have been listed; 15 of them show maximum wave amplitudes and/or run-up heights of above 1 m, and 8 are between 0.3 and 1 m. Details are provided for particular events, including debated events or events with no known origin(s).
Rashid Haider, Sajid Ali, Gösta Hoffmann, and Klaus Reicherter
Nat. Hazards Earth Syst. Sci., 24, 3279–3290, https://doi.org/10.5194/nhess-24-3279-2024, https://doi.org/10.5194/nhess-24-3279-2024, 2024
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The coastlines bordering the Arabian Sea have yielded various tsunamites reflecting its high hazard potential and recurrences. My PhD project aims at the estimation and zonation of the hazards and risks associated with. This publication is a continuation of the previous publication (Haider et al., 2023), which focused on hazard estimation through a multi-proxy approach. This part of the study estimates the risk potential through integrated tsunami inundation analysis.
Kévin Dubois, Morten Andreas Dahl Larsen, Martin Drews, Erik Nilsson, and Anna Rutgersson
Nat. Hazards Earth Syst. Sci., 24, 3245–3265, https://doi.org/10.5194/nhess-24-3245-2024, https://doi.org/10.5194/nhess-24-3245-2024, 2024
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Both extreme river discharge and storm surges can interact at the coast and lead to flooding. However, it is difficult to predict flood levels during such compound events because they are rare and complex. Here, we focus on the quantification of uncertainties and investigate the sources of limitations while carrying out such analyses at Halmstad, Sweden. Based on a sensitivity analysis, we emphasize that both the choice of data source and statistical methodology influence the results.
Sergio Padilla, Íñigo Aniel-Quiroga, Rachid Omira, Mauricio González, Jihwan Kim, and Maria A. Baptista
Nat. Hazards Earth Syst. Sci., 24, 3095–3113, https://doi.org/10.5194/nhess-24-3095-2024, https://doi.org/10.5194/nhess-24-3095-2024, 2024
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The eruption of the Hunga Tonga–Hunga Ha'apai volcano in January 2022 triggered a global phenomenon, including an atmospheric wave and a volcano-meteorological tsunami (VMT). The tsunami, reaching as far as Callao, Peru, 10 000 km away, caused significant coastal impacts. This study delves into understanding these effects, particularly on vessel mooring safety. The findings underscore the importance of enhancing early warning systems and preparing port authorities for managing such rare events.
Nikolaus Groll, Lidia Gaslikova, and Ralf Weisse
EGUsphere, https://doi.org/10.5194/egusphere-2024-2664, https://doi.org/10.5194/egusphere-2024-2664, 2024
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In recent years, the western Baltic Sea has experienced severe storm surges. By analysing the individual contributions and the total water level, these events can be put into a climate perspective. It was found that individual contributions were not exceptional in all events and no clear trend can be identified, often the combination of the individual contributions leads to the extreme events of recent years. This points to the importance of analysing composite events.
Alice Abbate, José M. González Vida, Manuel J. Castro Díaz, Fabrizio Romano, Hafize Başak Bayraktar, Andrey Babeyko, and Stefano Lorito
Nat. Hazards Earth Syst. Sci., 24, 2773–2791, https://doi.org/10.5194/nhess-24-2773-2024, https://doi.org/10.5194/nhess-24-2773-2024, 2024
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Modelling tsunami generation due to a rapid submarine earthquake is a complex problem. Under a variety of realistic conditions in a subduction zone, we propose and test an efficient solution to this problem: a tool that can compute the generation of any potential tsunami in any ocean in the world. In the future, we will explore solutions that would also allow us to model tsunami generation by slower (time-dependent) seafloor displacement.
Mithun Deb, James J. Benedict, Ning Sun, Zhaoqing Yang, Robert D. Hetland, David Judi, and Taiping Wang
Nat. Hazards Earth Syst. Sci., 24, 2461–2479, https://doi.org/10.5194/nhess-24-2461-2024, https://doi.org/10.5194/nhess-24-2461-2024, 2024
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We coupled earth system, hydrology, and hydrodynamic models to generate plausible and physically consistent ensembles of hurricane events and their associated water levels from the open coast to tidal rivers of Delaware Bay and River. Our results show that the hurricane landfall locations and the estuarine wind can significantly amplify the extreme surge in a shallow and converging system, especially when the wind direction aligns with the surge propagation direction.
Ming-Huei Chang, Yen-Chen Huang, Yu-Hsin Cheng, Chuen-Teyr Terng, Jinyi Chen, and Jyh Cherng Jan
Nat. Hazards Earth Syst. Sci., 24, 2481–2494, https://doi.org/10.5194/nhess-24-2481-2024, https://doi.org/10.5194/nhess-24-2481-2024, 2024
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Monitoring the long-term trends in sea surface warming is crucial for informed decision-making and adaptation. This study offers a comprehensive examination of prevalent trend extraction methods. We identify the least-squares regression as suitable for general tasks yet highlight the need to address seasonal signal-induced bias, i.e., the phase–distance imbalance. Our developed method, evaluated using simulated and real data, is unbiased and better than the conventional SST anomaly method.
Thomas P. Collings, Niall D. Quinn, Ivan D. Haigh, Joshua Green, Izzy Probyn, Hamish Wilkinson, Sanne Muis, William V. Sweet, and Paul D. Bates
Nat. Hazards Earth Syst. Sci., 24, 2403–2423, https://doi.org/10.5194/nhess-24-2403-2024, https://doi.org/10.5194/nhess-24-2403-2024, 2024
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Coastal areas are at risk of flooding from rising sea levels and extreme weather events. This study applies a new approach to estimating the likelihood of coastal flooding around the world. The method uses data from observations and computer models to create a detailed map of where these coastal floods might occur. The approach can predict flooding in areas for which there are few or no data available. The results can be used to help prepare for and prevent this type of flooding.
Guangsheng Zhao and Xiaojing Niu
Nat. Hazards Earth Syst. Sci., 24, 2303–2313, https://doi.org/10.5194/nhess-24-2303-2024, https://doi.org/10.5194/nhess-24-2303-2024, 2024
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The purpose of this study is to estimate the spatial distribution of the tsunami hazard in the South China Sea from the Manila subduction zone. The plate motion data are used to invert the degree of locking on the fault plane. The degree of locking is used to estimate the maximum possible magnitude of earthquakes and describe the slip distribution. A spatial distribution map of the 1000-year return period tsunami wave height in the South China Sea was obtained by tsunami hazard assessment.
Mandana Ghanavati, Ian R. Young, Ebru Kirezci, and Jin Liu
Nat. Hazards Earth Syst. Sci., 24, 2175–2190, https://doi.org/10.5194/nhess-24-2175-2024, https://doi.org/10.5194/nhess-24-2175-2024, 2024
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The paper examines the changes in shoreline position of the coast of south-east Australia over a 26-year period to determine whether changes are consistent with observed changes in ocean wave and storm surge climate. The results show that in regions where there have been significant changes in wave energy flux or wave direction, there have also been changes in shoreline position consistent with non-equilibrium longshore drift.
Ina Teutsch, Ralf Weisse, and Sander Wahls
Nat. Hazards Earth Syst. Sci., 24, 2065–2069, https://doi.org/10.5194/nhess-24-2065-2024, https://doi.org/10.5194/nhess-24-2065-2024, 2024
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We investigate buoy and radar measurement data from shallow depths in the southern North Sea. We analyze the role of solitons for the occurrence of rogue waves. This is done by computing the nonlinear soliton spectrum of each time series. In a previous study that considered a single measurement site, we found a connection between the shape of the soliton spectrum and the occurrence of rogue waves. In this study, results for two additional sites are reported.
Marc Igigabel, Marissa Yates, Michalis Vousdoukas, and Youssef Diab
Nat. Hazards Earth Syst. Sci., 24, 1951–1974, https://doi.org/10.5194/nhess-24-1951-2024, https://doi.org/10.5194/nhess-24-1951-2024, 2024
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Changes in sea levels alone do not determine the evolution of coastal hazards. Coastal hazard changes should be assessed using additional factors describing geomorphological configurations, metocean event types (storms, cyclones, long swells, and tsunamis), and the marine environment (e.g., coral reef state and sea ice extent). The assessment completed here, at regional scale including the coasts of mainland and overseas France, highlights significant differences in hazard changes.
Irene Benito, Jeroen C. J. H. Aerts, Philip J. Ward, Dirk Eilander, and Sanne Muis
EGUsphere, https://doi.org/10.5194/egusphere-2024-1354, https://doi.org/10.5194/egusphere-2024-1354, 2024
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Global flood models are key for mitigating coastal flooding impacts, yet they still have limitations to provide actionable insights locally. We present a multiscale framework that couples dynamic water level and flood models, and bridges between fully global and local modelling approaches. We apply it to three storms to present the merits of a multiscale approach. Our findings reveal that the importance of model refinements varies based on the study area characteristics and the storm’s nature.
Jani Särkkä, Jani Räihä, Mika Rantanen, and Matti Kämäräinen
Nat. Hazards Earth Syst. Sci., 24, 1835–1842, https://doi.org/10.5194/nhess-24-1835-2024, https://doi.org/10.5194/nhess-24-1835-2024, 2024
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We study the relationship between tracks of low-pressure systems and related sea level extremes. We perform the studies by introducing a method to simulate sea levels using synthetic low-pressure systems. We test the method using sites located along the Baltic Sea coast. We find high extremes, where the sea level extreme reaches up to 3.5 m. In addition, we add the maximal value of the mean level of the Baltic Sea (1 m), leading to a sea level of 4.5 m.
Alexey Androsov, Sven Harig, Natalia Zamora, Kim Knauer, and Natalja Rakowsky
Nat. Hazards Earth Syst. Sci., 24, 1635–1656, https://doi.org/10.5194/nhess-24-1635-2024, https://doi.org/10.5194/nhess-24-1635-2024, 2024
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Two numerical codes are used in a comparative analysis of the calculation of the tsunami wave due to an earthquake along the Peruvian coast. The comparison primarily evaluates the flow velocity fields in flooded areas. The relative importance of the various parts of the equations is determined, focusing on the nonlinear terms. The influence of the nonlinearity on the degree and volume of flooding, flow velocity, and small-scale fluctuations is determined.
Eric Mortensen, Timothy Tiggeloven, Toon Haer, Bas van Bemmel, Dewi Le Bars, Sanne Muis, Dirk Eilander, Frederiek Sperna Weiland, Arno Bouwman, Willem Ligtvoet, and Philip J. Ward
Nat. Hazards Earth Syst. Sci., 24, 1381–1400, https://doi.org/10.5194/nhess-24-1381-2024, https://doi.org/10.5194/nhess-24-1381-2024, 2024
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Current levels of coastal flood risk are projected to increase in coming decades due to various reasons, e.g. sea-level rise, land subsidence, and coastal urbanization: action is needed to minimize this future risk. We evaluate dykes and coastal levees, foreshore vegetation, zoning restrictions, and dry-proofing on a global scale to estimate what levels of risk reductions are possible. We demonstrate that there are several potential adaptation pathways forward for certain areas of the world.
Charlotte Lyddon, Nguyen Chien, Grigorios Vasilopoulos, Michael Ridgill, Sogol Moradian, Agnieszka Olbert, Thomas Coulthard, Andrew Barkwith, and Peter Robins
Nat. Hazards Earth Syst. Sci., 24, 973–997, https://doi.org/10.5194/nhess-24-973-2024, https://doi.org/10.5194/nhess-24-973-2024, 2024
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Recent storms in the UK, like Storm Ciara in 2020, show how vulnerable estuaries are to the combined effect of sea level and river discharge. We show the combinations of sea levels and river discharges that cause flooding in the Conwy estuary, N Wales. The results showed flooding was amplified under moderate conditions in the middle estuary and elsewhere sea state or river flow dominated the hazard. Combined sea and river thresholds can improve prediction and early warning of compound flooding.
Shuaib Rasheed, Simon C. Warder, Yves Plancherel, and Matthew D. Piggott
Nat. Hazards Earth Syst. Sci., 24, 737–755, https://doi.org/10.5194/nhess-24-737-2024, https://doi.org/10.5194/nhess-24-737-2024, 2024
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Here we use a high-resolution bathymetry dataset of the Maldives archipelago, as well as corresponding high numerical model resolution, to carry out a scenario-based tsunami hazard assessment for the entire Maldives archipelago to investigate the potential impact of plausible far-field tsunamis across the Indian Ocean at the island scale. The results indicate that several factors contribute to mitigating and amplifying tsunami waves at the island scale.
Niels J. Korsgaard, Kristian Svennevig, Anne S. Søndergaard, Gregor Luetzenburg, Mimmi Oksman, and Nicolaj K. Larsen
Nat. Hazards Earth Syst. Sci., 24, 757–772, https://doi.org/10.5194/nhess-24-757-2024, https://doi.org/10.5194/nhess-24-757-2024, 2024
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A tsunami wave will leave evidence of erosion and deposition in coastal lakes, making it possible to determine the runup height and when it occurred. Here, we use four lakes now located at elevations of 19–91 m a.s.l. close to the settlement of Saqqaq, West Greenland, to show that at least two giant tsunamis occurred 7300–7600 years ago with runup heights larger than 40 m. We infer that any tsunamis from at least nine giga-scale landslides must have happened 8500–10 000 years ago.
Elke Magda Inge Meyer and Lidia Gaslikova
Nat. Hazards Earth Syst. Sci., 24, 481–499, https://doi.org/10.5194/nhess-24-481-2024, https://doi.org/10.5194/nhess-24-481-2024, 2024
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Storm tides for eight extreme historical storms in the German Bight are modelled using sets of slightly varying atmospheric conditions from the century reanalyses. Comparisons with the water level observations from the gauges Norderney, Cuxhaven and Husum show that single members of the reanalyses are suitable for the reconstruction of extreme storms. Storms with more northerly tracks show less variability within a set and have more potential for accurate reconstruction of extreme water levels.
Clare Lewis, Tim Smyth, Jess Neumann, and Hannah Cloke
Nat. Hazards Earth Syst. Sci., 24, 121–131, https://doi.org/10.5194/nhess-24-121-2024, https://doi.org/10.5194/nhess-24-121-2024, 2024
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Meteotsunami are the result of atmospheric disturbances and can impact coastlines causing injury, loss of life, and damage to assets. This paper introduces a novel intensity index to allow for the quantification of these events at the shoreline. This has the potential to assist in the field of natural hazard assessment. It was trialled in the UK but designed for global applicability and to become a widely accepted standard in coastal planning, meteotsunami forecasting, and early warning systems.
Chu-En Hsu, Katherine A. Serafin, Xiao Yu, Christie A. Hegermiller, John C. Warner, and Maitane Olabarrieta
Nat. Hazards Earth Syst. Sci., 23, 3895–3912, https://doi.org/10.5194/nhess-23-3895-2023, https://doi.org/10.5194/nhess-23-3895-2023, 2023
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Total water levels (TWLs) induced by tropical cyclones (TCs) are among the leading hazards faced by coastal communities. Using numerical models, we examined how TWL components (surge and wave runup) along the South Atlantic Bight varied during hurricanes Matthew (2016), Dorian (2019), and Isaias (2020). Peak surge and peak wave runup were dominated by wind speeds and relative positions to TCs. The exceedance time of TWLs was controlled by normalized distances to TC and TC translation speeds.
Maude Biguenet, Eric Chaumillon, Pierre Sabatier, Antoine Bastien, Emeline Geba, Fabien Arnaud, Thibault Coulombier, and Nathalie Feuillet
Nat. Hazards Earth Syst. Sci., 23, 3761–3788, https://doi.org/10.5194/nhess-23-3761-2023, https://doi.org/10.5194/nhess-23-3761-2023, 2023
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This work documents the impact of Hurricane Irma (2017) on the Codrington barrier and lagoon on Barbuda Island. Irma caused two wide breaches in the sandy barrier, which remained unopened for 250 years. The thick and extensive sand sheet at the top of the lagoon fill was attributed to Irma. This unique deposit in a 3700-year record confirms Irma's exceptional character. This case study illustrates the consequences of high-intensity hurricanes in low-lying islands in a global warming context.
Leigh Richard MacPherson, Arne Arns, Svenja Fischer, Fernando Javier Méndez, and Jürgen Jensen
Nat. Hazards Earth Syst. Sci., 23, 3685–3701, https://doi.org/10.5194/nhess-23-3685-2023, https://doi.org/10.5194/nhess-23-3685-2023, 2023
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Efficient adaptation planning for coastal flooding caused by extreme sea levels requires accurate assessments of the underlying hazard. Tide-gauge data alone are often insufficient for providing the desired accuracy but may be supplemented with historical information. We estimate extreme sea levels along the German Baltic coast and show that relying solely on tide-gauge data leads to underestimations. Incorporating historical information leads to improved estimates with reduced uncertainties.
Anne Margaret H. Smiley, Suzanne P. Thompson, Nathan S. Hall, and Michael F. Piehler
Nat. Hazards Earth Syst. Sci., 23, 3635–3649, https://doi.org/10.5194/nhess-23-3635-2023, https://doi.org/10.5194/nhess-23-3635-2023, 2023
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Floodwaters can deliver reactive nitrogen to sensitive aquatic systems and diminish water quality. We assessed the nitrogen removal capabilities of flooded habitats and urban landscapes. Differences in processing rates across land cover treatments and between nutrient treatments suggest that abundance and spatial distributions of habitats, as well as storm characteristics, influence landscape-scale nitrogen removal. Results have important implications for coastal development and climate change.
Marine Le Gal, Tomás Fernández-Montblanc, Enrico Duo, Juan Montes Perez, Paulo Cabrita, Paola Souto Ceccon, Véra Gastal, Paolo Ciavola, and Clara Armaroli
Nat. Hazards Earth Syst. Sci., 23, 3585–3602, https://doi.org/10.5194/nhess-23-3585-2023, https://doi.org/10.5194/nhess-23-3585-2023, 2023
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Assessing coastal hazards is crucial to mitigate flooding disasters. In this regard, coastal flood databases are valuable tools. This paper describes a new coastal flood map catalogue covering the entire European coastline, as well as the methodology to build it and its accuracy. The catalogue focuses on frequent extreme events and relies on synthetic scenarios estimated from local storm conditions. Flood-prone areas and regions sensitive to storm duration and water level peak were identified.
Neng-Ti Yu, Cheng-Hao Lu, I-Chin Yen, Jia-Hong Chen, Jiun-Yee Yen, and Shyh-Jeng Chyi
Nat. Hazards Earth Syst. Sci., 23, 3525–3542, https://doi.org/10.5194/nhess-23-3525-2023, https://doi.org/10.5194/nhess-23-3525-2023, 2023
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A paleotsunami deposit of cliff-top basalt debris was identified on the Penghu Islands in the southern Taiwan Strait and related to the 1661 earthquake in southwest Taiwan. A minimum wave height of 3.2 m is estimated to have rotated the biggest boulder for over 30 m landwards onto the cliff top at 2.5 m a.s.l. The event must have been huge compared to the 1994 M 6.4 earthquake with the ensuing 0.4 m high tsunami in the same area, validating the intimidating tsunami risks in the South China Sea.
Ye Yuan, Huaiwei Yang, Fujiang Yu, Yi Gao, Benxia Li, and Chuang Xing
Nat. Hazards Earth Syst. Sci., 23, 3487–3507, https://doi.org/10.5194/nhess-23-3487-2023, https://doi.org/10.5194/nhess-23-3487-2023, 2023
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Rip currents are narrow jets of offshore-directed flow that originated in the surf zone, which can take swimmers of all ability levels into deeper water unawares. In this study, a 1 m fine-resolution wave-resolving model was configured to study rip current variability and the optimal swimmer escape strategies. Multiple factors contribute to the survival of swimmers. However, for weak-to-moderate rip and longshore currents, swimming onshore consistently seems to be the most successful strategy.
Benedikt Mester, Thomas Vogt, Seth Bryant, Christian Otto, Katja Frieler, and Jacob Schewe
Nat. Hazards Earth Syst. Sci., 23, 3467–3485, https://doi.org/10.5194/nhess-23-3467-2023, https://doi.org/10.5194/nhess-23-3467-2023, 2023
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In 2019, Cyclone Idai displaced more than 478 000 people in Mozambique. In our study, we use coastal flood modeling and satellite imagery to construct a counterfactual cyclone event without the effects of climate change. We show that 12 600–14 900 displacements can be attributed to sea level rise and the intensification of storm wind speeds due to global warming. Our impact attribution study is the first one on human displacement and one of very few for a low-income country.
Cited articles
Abe, T., Goto, K., and Sugawara, D.: Relationship between the maximum extent
of tsunami sand and the inundation limit of the 2011 Tohoku–oki tsunami on
the Sendai Plain, Japan, Sediment. Geol., 282, 142–150, 2012.
Aida, I.: Reliability of a tsunami source model derived from fault
parameters, J. Phys. Earth, 26, 57–73, 1978.
Ali, P. Y. and Narayana, A. C.: Short-term morphological and shoreline
changes at Trinkat Island, Andaman and Nicobar, India, after the 2004
tsunami, Mar. Geod., 38, 26–39, 2015.
Arimitsu, T., Kawasaki, K., and Nimura, M.: Numerical simulation of sediment
transport and bottom topography change due to tsunami with large scale eddy,
Journal of JSCE, B2 (Coastal Engineering), 73, 643–648, 2012.
Arimitsu, T., Matsuda, S., Murakami, Y., Shikata, T., Kawasaki, K., Mishima, T., Shimizu, R., and Sugawara D.: Influence of computational parameters on accuracy of movable bed model for tsunamis, Coast. Eng., 73, 589–594, 2017.
Apotsos, A., Buckley, M., Gelfenbaum, G., Jaffe, B., and Vatvani, D.:
Nearshore tsunami inundation model validation: toward sediment transport
applications, Pure Appl. Geophys., 168, 2097–2119, 2011a.
Apotsos, A., Gelfenbaum, G., and Jaffe, B.: Process-based modeling of
tsunami inundation and sediment transport, J. Geophys. Res.,
116, F01006, https://doi.org/10.1029/2010JF001797, 2011b.
Apotsos, A., Gelfenbaum, G., Jaffe, B., Watt, S., Peck, B., Buckley, M., and
Stevens, A.: Tsunami inundation and sediment transport in a sediment-limited
embayment on American Samoa, Earth-Sci. Rev., 107, 1–11, 2011c.
Bagnold, R. A.: An approach to the sediment transport problem from general
physics, US government printing office, Washington, D.C., 1966.
Brill, D., Klasen, N., Jankaew, K., Brückner, H., Kelletat, D., Scheffers, A., and Scheffers, S.: Local inundation distances and regional tsunami recurrence in the Indian Ocean inferred from luminescence dating of sandy deposits in Thailand, Nat. Hazards Earth Syst. Sci., 12, 2177–2192, https://doi.org/10.5194/nhess-12-2177-2012, 2012a.
Brill, D., Klasen, Brückner, H., Jankaew, K., Scheffers, A., Kelletat,
D., and Scheffers, S.: OSL dating of tsunami deposits from Phra Thong
Island, Thailand, Quat. Geochronol., 10, 224–229, 2012b.
Brill, D., Jankaew, K., and Bruckner, H.: Holocene evolution of Phra Thong's
beach-ridge plain (Thailand) – Chronology, processes and driving factors,
Geomorphology, 245, 117–134, 2015.
Chagué-Goff, C., Andrew, A., Szczuciński, W., Goff, J., and
Nishimuira, Y.: Geochemical signatures up to the maximam inundation of the
2011 Tohoku–oki tsunami – Implications for the 869 AD Jogan and other
palaeotsunamis, Sediment. Geol., 282, 65–77, 2012.
Choowong, M., Phantuwongraj, S., Charoentitirat, T., Chutakositkanon, V., Yumuang S., and Charusiri, P.: Beach recovery after 2004 Indian Ocean
tsunami from Phang–nga, Thailand, Geomorphology, 104, 134–142, 2009.
Fagherazzi, S. and Du, X.: Tsunamigenic incisions produced by the December
2004 earthquake along the coasts of Thailand, Indonesia and Sri Lanka,
Geomorphology, 99, 120–129, 2008.
Feldens, P., Schwarzer, K., Szczuciński, W., Stattegger, K., Sakuna, D., and Somgpongchaiykul, P.: Impact of 2004 tsunami on seafloor morphology and offshore sediments,
Pakarang Cape, Thailand, Pol. J. Environ. Stud., 18, 63–68, 2009.
Fujino, S., Naruse H., Matsumoto, D., Jarupongsakul T., Sphawajruksakul A.,
and Sakakura, N.: Stratigraphic evidence for pre–2004 tsunamis in
southwestern Thailand, Mar. Geol., 262, 25–28, 2009.
Fujino, S., Naruse, H., Matsumoto, D., Sakakura, N., Suphawajruksakul, A.,
and Jarupongsakul, T.: Detailed measurements of thickness and grain size of
a widespread onshore tsunami deposit in Phang–nga Province, southwestern
Thailand, Isl. Arc, 19, 389–398, 2010.
Gelfenbaum, G., Vatvani D., Jaffe B., and Dekker F.: Tsunami inundation and
sediment transport in vicinity of coastal mangrove forest, Coastal
Sediments, 7, 1117–1128, 2007.
Goto, K., Takahashi, J., Oie, T., and Imamura, F.: Remarkable bathymetric
change in the nearshore zone by the 2004 Indian Ocean tsunami: Kirinda
Harbor, Sri Lanka, Geomorphology, 127, 107–116, 2011a.
Goto, K., Chagué-Goff, C., Goff, J., and Jaffe, B.: The
future of tsunami research following the 2011 Tohoku–oki event,
Sediment. Geol., 282, 1–13, 2012.
Gouramanis, C., Switzer, A. D., Polivka, P. M., Bristow, C. S., Jankaew, K.,
Dat, P. T., Pile, J., Rubin, C. M., Yingsin, L., Ildefonso, S. R., and Jol,
H. M.: Ground penetrating radar examination of thin tsunami beds – A case
study from Phra Thong Island, Thailand, Sediment. Geol., 329, 149–165, 2015.
Gouramanis, C., Switzer, A. D., Jankaew, K., Bristow, C. S., Pham, D. T.,
and Ildefonso, S. R.: High-frequency coastal overwash deposits from PHRA
thong Island, Thailand, Sci. Rep., 7, 1–9, 2017.
Gusman, A. R., Tanioka, Y., and Takahashi, T.: Numerical experiment and a
case study of sediment transport simulation of the 2004 Indian Ocean tsunami
in Lhok Nga, Banda Aceh, Indonesia., Earth Planets Space, 64, 817–827,
2012.
Haraguchi, T., Takahashi, T., Hisamatsu, R., Morishita, Y., and Sasaki, I.:
A Field Survey of Geomorphic Change on Kessennuma Bay caused by the 2010
Chilean Tsunami and the 2011 Tohoku Tsunami, Journal of JSCE, B2 (Coastal
Engineering), 68, 231–235, 2012.
Hawkes, A. D., Bird, M., Cowie, S., Grundy-Warr, C., Horton, B. P., Hwai,
A. T. S., Law, L., Macgregor, C., Nott, J., Ong, J. E., Rigg, J., Robinson, R.,
Tan-Mullins, M., Sa, T. T., Yasin, Z., and Aik, L. W.: Sediments deposited by the
2004 Indian Ocean Tsunami along the Malaysia–Thailand Peninsula, Mar. Geol., 242, 169–190, 2007.
Hirao, R., Tanaka, H., Umeda, M., Adityawan, M. B., Mano, A., and Udo, K.:
Breaching of Sandy Coast and Spit Due To The 2011 Tsunami and Their
Recovery, Journal of JSCE, B2(Coastal Engineering), 68, 581–585, 2012.
Imai, K., Sugawara, D., Takahashi, T., Iwama, S., and Tanaka, H.: Numerical
study for sediment transport due to tsunami around the Kitakami River mouth,
Journal of JSCE, B2(Coastal Engineering), 71, 247–252, 2015.
Imamura, F.: Review of tsunami simulation with a finite difference method,
in: Long-Wave Runup Models, edited by: Yeh, H., Liu, P., and Synolakis, C.
E., World Scientific Publishing Co., Singapore, 25–42, 1996.
Iwagaki, Y.: Hydrodynamical study on critical tractive force, Trans. JSCE,
41, 1–21, 1956.
Jaffe, B., Goto, K., Sugawara, D., Gelfenbaum, G., and La Selle, S.:
Uncertainty in tsunami sediment transport modeling, Journal of Disaster
Research, 11, 647-661, 2016.
Jankaew, K., Atwater, B. F., Sawai, Y., Choowong, M., Charoentitirat, T.,
Martin, M. E., and Prendergast, A.: Medieval forewarning of the 2004 Indian
Ocean tsunami in Thailand, Nature, 455, 1228–1231, 2008.
JSCE – Japan Society of Civil Engineers: Tsunami assesment method for nuclear power plants in Japan, available at: https://www.jsce.or.jp/committee/ceofnp/Tsunami/eng/JSCE_Tsunami_060519.pdf (last access: 19 October 2020, 2002.
Koiwa, N., Takahashi, M., Sugisawa, S., Ito, A., Aki Matsumoto, H., Tanavud,
C., and Goto, K.: Barrier spit recovery following the 2004 Indian Ocean
tsunami at Pakarang Cape, southwest Thailand, Geomorphology, 306, 314–324,
2018.
Land Development Department of Thailand (LDD) Maps and mapping information,
available at: http://www.ldd.go.th/www/lek web/web.jsp?id=19273 (last access: 18 October 2017), 2018.
Li, L. and Huang, Z.: Modeling the change of beach profile under tsunami waves: a comparison of selected sediment transport models, J. Earthq. Tsunami, 7, 1350001, https://doi.org/10.1142/S17934311135000122013, 2013.
Li, L., Qiu, Q., and Huang, Z.: Numerical modeling of the morphological
change in Lhok Nga, west Banda Aceh, during the 2004 Indian Ocean tsunami:
understanding tsunami deposits using a forward modeling method, Nat.
Hazards, 64, 1549–1574, 2012.
Li, L., Huang, Z., and Qiu, Q.: Numerical simulation of erosion and
deposition at the Thailand Khao Lak coast during the 2004 Indian Ocean
tsunami, Nat. Hazards, 74, 2251–2277, 2014.
Liew, S. C., Gupta, A., Wong, P. P., and Kwoh, L. K.: Recovery from a large tsunami
mapped over time: The Aceh coast, Sumatra, Geomorphology, 114, 520–529,
2010.
Morishita, Y. and Takahashi, T.: Accuracy improvement of movable bed model
for tsunamis by applying for Kesennuma bay when the 2011 Tohoku tsunami
arrived, Journal of JSCE, B2(Coastal Engineering), 70, 491–495, 2014.
Ranasinghe, D. P. L., Goto, K., Takahashi, T., Takahashi, J., Wijetunge, J. J., Nishihata, T., and Imamura, F.: Numerical assessment of bathymetric changes caused by the 2004 Indian Ocean tsunami at Kirinda Fishery Harbor, Sri Lanka, Coast. Eng., 81, 67–81, 2013.
Rubey, W. W.: Settling velocity of gravel, sand, and silt particles,
Am. J. Sci., 148, 325–338, 1933.
Saegusa, S., Tanaka, H., and Mitobe, Y.: Recovery processes of bathymetry of
Sendai Bay after the 2011 tsunami, Journal of JSCE, B2(Coastal Engineering),
73, 817–822, 2017.
Okada, Y.: Surface deformation due to shear and tensile faults in a
half-space, B. Seismol. Soc. Am., 75,
1135–1154, 1985.
Pari, Y., Ramana Murthy, M. V., Jaya Kumar, S., Subramanian, B. R., and
Ramachandran, S.: Morphological changes at Vellar estuary, India – Impact
of the December 2004 tsunami, J. Environ. Manage., 89,
45–57, 2008.
Paris, R., Lavigne, F., Wassmer, P., and Sartohadi, J.: Coastal sedimentation
associated with the December 26, 2004 tsunami in Lhok Nga, west Banda Aceh
(Sumatra, Indonesia), Mar. Geol., 238, 93–106, 2007.
Pham, T. D., Gouramanis, C., Switzer, M. A., Rubin, M. C., Jones, G. B.,
Jankaew, K., and Carr, F. P.: Elemental and mineralogical analysis of marine
and coastal sediments from Phra Thong Island, Thailand: Insights into the
provenance of coastal hazard deposits, Mar. Geol., 385, 274–292, 2018.
Prendergast, L. A., Cupper L. M., Jankaew, K., and Sawai, Y.: Indian Ocean
tsunami recurrence from optical dating of tsunami sand sheets in Thailand,
Mar. Geol., 295–298, 20–27, 2012.
Sawai, Y., Jankaew K., Martin, E. M., Prendergast, A., Choowong, M., and
Charoentitirat, T.: Diatom assembles in tsunami deposits associated with the
2004 Indian Ocean tsunami at Phra Thong Island, Thailand,
Mar. Micropaleontol., 73, 70–79, 2009.
Sugawara, D., Goto, K., and Jaffe, B. E.: Numerical models of tsunami
sediment transport – Current understanding and future directions, Mar. Geol., 352, 295–320, 2014a.
Sugawara, D., Takahashi, T., and Imamura, F.: Sediment transport due to the
2011 Tohoku-oki tsunami at Sendai: Results from numerical modeling, Mar.
Geol., 358, 18–37, 2014b.
Suppasri, A., Koshimura, S., and Imamura, F.: Developing tsunami fragility curves based on the satellite remote sensing and the numerical modeling of the 2004 Indian Ocean tsunami in Thailand, Nat. Hazards Earth Syst. Sci., 11, 173–189, https://doi.org/10.5194/nhess-11-173-2011, 2011.
Suppasri, A., Latcharote, P., Bricker, J. D., Leelawat, N., Hayashi, A.,
Yamashita, K., Makinoshima, F., Roeber, V., and Imamura, F.: Improvement of
tsunami countermeasures based on lessons from the 2011 great east japan
earthquake and tsunami – Situation after five years –, Coast. Eng. J., 58, 1640011, https://doi.org/10.1142/S0578563416400118, 2016.
Switzer, A. D., Srinivasalu, S., Thangadurai, N., and Ram Mohan, V.: Bedding
structures in Indian tsunami deposits that provide clues to the dynamics of
tsunami inundation, Geological Society, London, Special Publications, 361,
61–77, 2012.
Szczuciński, W., Kokociński, M., Rzeszewski, M., Chahué–Goff,
C., Cachão, M., Goto, K., and Sugawara, D.: Sediment sources and
sedimentation processes of 2011 Tohoku–oki tsunami deposits on the Sendai
Plain, Japan – Insights from diatoms, nannoliths and grain size
distribution, Sediment. Geol., 282, 40–56, 2012.
Takahashi, T., Shuto, N., Imamura, F., and Asai, D.: Modeling sediment
transport due to tsunamis with exchange rate between bed load layer and
suspended load layer, in: Proceedings Of International Conference of Coastal Engineering, 16–21 July 2000, Sydney, Australia, 1508–1519, 2000.
Takahashi, J., Goto, K., Oie, T., Yanagisawa, H., and Imamura, F.:
Inundation and topographic Change due to the 2004 Indian Ocean Tsunami at
the Kirinda port, Sri Lanka, Journal of JSCE, B2(Coastal Engineering), 55,
251–255, 2008.
Takahashi, T., Kurokawa, T., Fujita, M., and Shimada, H.: Hydraulic
experiment on sediment transport due to tsunamis with various sand grain
size, Journal of JSCE, B2(Coastal Engineering), 67, 231–235, 2011.
Takahashi, T.: Numerical modeling if sediment transport due to tsunamis and
its problem, Journal of the Sedimentological Society of Japan, 71,
149–155, 2012.
Takashimizu, Y., Urabe, A., Suzuki, K., and Sato, Y.: Deposition by the 2011
Tohoku–oki tsunami on coastal lowland controlled by beach ridges near
Sendai, Japan, Sediment. Geol., 282, 124–141, 2012.
Tanaka, H., Ishino, K., Nawarathna, B., Nakagawa, H., and Yano, S.: Coastal
and river mouth morphology change in Sri Lanka due to the 2004 Indian Ocean
Tsunami, in: Coastal Sediments' 07, 842–855, 2007.
Tanaka, H., Mano, A., and Udo, K.: Beach Morphology Change Induced by The
2011 Great East Japan Earthquake Tsunami, Journal of JSCE, B2(Coastal
Engineering), 67, 571–575, 2011.
Udo, K., Tanaka, H., Mano, A., and Takeda, Y.: Beach Morphology Change of
Southern Sendai Coast due to 2011 Tohoku Earthquake Tsunami, Journal of
JSCE, B2(Coastal Engineering), 69, 391–395, 2013.
Udo, K. and Takeda, Y.: Comparison between characteristics of shoreline
changes due to the 2004 Indian Ocean tsunami and the 2011 Great East Japan
tsunami, Journal of JSCE, B3(Coastal Engineering), 72, 175–180, 2016.
Van Rijn, L. C.: Unified view of sediment transport by currents and waves.
I: Initiation of motion, bed roughness, and bed-load transport, J. Hydraul. Eng., 133, 649–667, 2007.
Watanabe, A., Maruyama, Y., Shimizu, T., and Sakakiyama, T.: Numerical
prediction model of three-dimensional beach transformation due to installed
structures, Journal of JSCE(Coastal Engineering), 31, 406–410, 1984.
Watanabe, M., Goto, K., Bricker, J. D., and Imamura, F.: Are inundation
limit and maximum extent of sand useful for differentiating tsunamis and
storms? An example from sediment transport simulations on the Sendai Plain,
Japan, Sediment. Geol., 364, 204–216, 2018.
Xu, J.: Grain-size characteristics of suspended sediment in the Yellow
River, China, Catena, 38, 243–263, 1999a.
Xu, J.: Erosion caused by hyperconcentrated flow on the Loess Plateau of
China, Catena, 36, 1–19, 1999b.
Yamashita, K., Sugawara, D., Takahashi, T., Imamura, F., Saito, Y., Imato,
Y., Kai, T., Uehara, H., Kato, T., Nakata, K., Saka, R., and Nishikawa, A.:
Numerical simulation of large-scale sediment transport due to the 2011
tohoku earthquake tsunami in Rikuzentakata city, Journal of JSCE, B2(Coastal
Engineering), 71, 499–504, 2015.
Yamashita, K., Sugawara, D., Takahashi, T., Imamura, F., Saito, Y., Imato,
Y., and Saka, R.: Numerical simulations of large-scale sediment transport
caused by the 2011 Tohoku Earthquake Tsunami in Hirota Bay, Southern Sanriku
Coast, Coast, Eng. J., 58, 640015, https://doi.org/10.1142/S0578563416400155, 2016.
Yamashita, K., Shigihara, Y., Sugawara, D., Arikawa, T., Takahashi, T., and
Imamura, F.: Effect of sediment transport on tsunami hazard and building
damage –an integrated simulation of tsunami inundation, sediment transport
and drifting vessels in Kesennuma city, Miyagi prefecture during the great
east Japan, Journal of JSCE, B2(Coastal Engineering), 73, 355–360, 2017.
Yamashita, K., Sugawara, D., Arikawa, Y., Takahashi, T., and Imamura, F.:
Improvement of tsunami-induced sediment transport model by considering
saturated concentration in suspension with strong unsteady flows, Journal of
JSCE, B2(Coastal Engineering), 69, 325–330, 2018.
Short summary
This study examines the sediment transport during the 2004 Indian Ocean tsunami event on Phra Thong Island, Thailand. We use numerical simulations and sediment transportation models, and our modelling approach confirms that the beaches were significantly eroded predominantly during the first backwash phase. Although 2004 tsunami deposits are found on the island, we demonstrate that most of the sediment was deposited in the shallow coastal area, facilitating quick recovery of the beach.
This study examines the sediment transport during the 2004 Indian Ocean tsunami event on Phra...
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