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Registros recuperados: 6
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Systematic Review Shows That Work Done by Storm Waves Can Be Misinterpreted as Tsunami-Related Because Commonly Used Hydrodynamic Equations Are Flawed ArchiMer
Cox, Rónadh; Ardhuin, Fabrice; Dias, Frédéric; Autret, Ronan; Beisiegel, Nicole; Earlie, Claire S.; Herterich, James G.; Kennedy, Andrew; Paris, Raphaël; Raby, Alison; Schmitt, Pal; Weiss, Robert.
Coastal boulder deposits (CBD), transported by waves at elevations above sea level and substantial distances inland, are markers for marine incursions. Whether they are tsunami or storm deposits can be difficult to determine, but this is of critical importance because of the role that CBD play in coastal hazard analysis. Equations from seminal work by Nott (1997), here referred to as the Nott Approach, are commonly employed to calculate nominal wave heights from boulder masses as a means to discriminate between emplacement mechanisms. Systematic review shows that this approach is based on assumptions that are not securely founded and that direct relationships cannot be established between boulder measurements and wave heights. A test using an unprecedented...
Tipo: Text Palavras-chave: Coastal boulder deposits; Storm waves; Tsunami; Hydrodynamic equations; Coastal erosion; Coastal hazard; Coastal geomorphology; Wave modeling.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00610/72237/71040.pdf
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Emergence of Participatory Rural Appraisal (PRA) Technique as a Strategy towards Sustainable Development: A Sri Lankan Experience JARTS
Koralagama, D. N.; Wijeratne, M.; De Silva, W. N..
In this millennium all the development activities are mostly focused on sustainable development, i.e. the development which fulfils the requirements of the present without disturbing the utilization of future generation. Basically, the sustainable development deals with environmental, social, and economical initiations. In relation to these three objectives, community participation plays a key role as an effective strategy for sustainable development. Among the numerous types of participation, Participatory Rural Appraisal (PRA) technique is the most relevant effective method to receive the participation. Because, it has been strengthen by bottom up approach, well defined objectives, practicable solutions, and remedies. Hence, the out come of such an event...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Social Science; Development; PRA; Community participation; Tsunami; Sri Lanka.
Ano: 2010 URL: http://www.jarts.info/index.php/jarts/article/view/119
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Indigenous Institutions and Their Role in Disaster Risk Reduction and Resilience: Evidence from the 2009 Tsunami in American Samoa Ecology and Society
Rumbach, Andrew; University of Colorado Denver; andrew.rumbach@ucdenver.edu; Foley, Dolores; University of Hawaii, Manoa;.
Indigineity has emerged as an important area of focus for research and policy making on disaster risk reduction (DRR) and resilience. Most research on indigeneity and DRR centers on indigenous knowledge and its integration with western scientific understandings of hazards and risk. Through a detailed case study of the 2009 tsunami in American Samoa, we argue that indigenous institutions also play a critical role in disaster risk reduction and resilience. Based on original data from semistructured interviews, village planning meetings, and focus group discussions, we describe how the indigenous institutions of fa’a Samoa, or the culture of Samoa, operated in a time of crisis by: (1) structuring emergency decision making and authority; (2)...
Tipo: Peer-Reviewed Reports Palavras-chave: American Samoa; Disaster management; Disaster risk reduction; Indigenous knowledge; Institutions; Resilience; Tsunami.
Ano: 2014
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Deep sea in situ excess pore pressure and sediment deformation off NW Sumatra and its relation with the December 26, 2004 Great Sumatra-Andaman Earthquake ArchiMer
Sultan, Nabil; Cattaneo, Antonio; Sibuet, Jean-claude; Schneider, Jean-luc.
The swath bathymetric data acquired during the "Sumatra Aftershocks" cruise from the Sunda trench in the Indian Ocean to the north of the Sumatra Island imaged several scars and deposits. In situ pore pressure measurements using the Ifremer piezometer and coring demonstrate that high excess pore pressure and sediment deformation was generated by a recent event in the scar of the slope failure zone identified by J.T. Henstock and co-authors. This excess pore pressure is localized in the upper sedimentary layers and is not related to an interplate subduction process. Numerical simulations of the hydrological system that take into account the hydro-mechanical properties of the upper sediment layer show that the excess pore pressure and sediment deformations...
Tipo: Text Palavras-chave: Tsunami; Sumatra; Slope failure; Pore pressure; Earthquake.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6740.pdf
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The 1867 Virgin Island tsunami: observations and modeling ArchiMer
Zahibo, N; Pelinovsky, E; Yalciner, A; Kurkin, A; Koselkov, A; Zaitsev, A.
The 1867 Virgin Island tsunami was of a great effect for the Caribbean Islands. A maximal tsunami height of 10 m was recorded for two coastal locations (Deshayes and St. Rose) in Guadeloupe. The historical data of this event for the Caribbean Sea are discussed. The modeling of the 1867 tsunami is performed in the framework of the nonlinear shallow-water theory. The four different orientations of the tsunami source in the Anegada Passage are examined. The directivity of the tsunami wave in the Caribbean is investigated. The time histories of water surface fluctuations are calculated for several coastal locations on the coasts of the Caribbean Sea. Results of the numerical simulations are in reasonable agreement with data of observations.
Tipo: Text Palavras-chave: Tsunami; Théorie en eau peu profonde; Modèle numérique; Mer des Caraïbes; Tsunami; Shallow-water theory; Numerical model; Caribbean Sea.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00321/43252/42983.pdf
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MEETING OF THE OFFICERS OF THE INTERNATIONAL CO-ORDINATION GROUP FOR THE TSUNAMI WARNING SYSTEM IN THE PACIFIC (ICG/ITSU) OceanDocs
UNESCO
Tipo: Report Palavras-chave: Tsunami; Tsunamis; Tsunami prediction; Accidents; Accident prevention; Accident prevention; Http://aims.fao.org/aos/agrovoc/c_60.
Ano: 2004 URL: http://hdl.handle.net/1834/2797
Registros recuperados: 6
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