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3 results on '"P. Arreaga-Vargas"'

2. A synoptic picture of the impact of the 26th December 2004 Indian Ocean tsunami on the coast of Sri Lanka

Author

K. Ilayaraja, M. Chlieh, Willington Renteria, P. Arreaga-Vargas, M. Ioualalen, Géoazur (GEOAZUR 6526), Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Instituto Oceanografico de la Armada de Ecuador (INOCAR), INOCAR, Department of Applied Geology, University of Madras, Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Nice Sophia Antipolis (... - 2019) (UNS), and Université Côte d'Azur (UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
geography, Environmental Engineering, geography.geographical_feature_category, 010504 meteorology & atmospheric sciences, Ecological Modeling, Sumatra, Submarine canyon, Numerical simulation, Shoaling and schooling, Tsunami propagation, 010502 geochemistry & geophysics, 01 natural sciences, Indian ocean, Oceanography, Runup, Climatology, Wave height, 14. Life underwater, Sri lanka, 2004 tsunami, Software, Geology, Seabed, Sri Lanka, 0105 earth and related environmental sciences
Abstract

Environmental Modelling & Software, pp. online, 2010; International audience; A numerical simulation of the 26th December 2004 Indian Ocean tsunami for the entire coast of Sri Lanka is presented. The simulation approach is based on a fully nonlinear Boussinesq tsunami propagation model and a robust coseismic source. The simulation is first confronted to available measured wave height. The agreement between observations and the predicted wave heights allowed a reasonable validation of the simulation. As a result a synoptic picture of the tsunami impact is provided over the entire coast of Sri Lanka. It is found that amplification due to shoaling applies mainly in the Eastern and Southern coast because, here, the wave is propagating across the sea floor slope, while propagating along the slope for the Western coast. Spots of high waves are due to wave focusing in some coastal areas while local submarine canyons in other areas inhibit the wave amplification.

Published
2010
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3. Numerical Modelling of the 26th December 2004 Indian Ocean Tsunami for the Southeastern Coast of India

Author

K. Ilayaraja, N. Pophet, N. A. Pazmino, J. Ordoñez, M. Chlieh, Mansour Ioualalen, P. Arreaga-Vargas, Willington Renteria, Géoazur (GEOAZUR 6526), Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, Université Côte d'Azur (UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Instituto Oceanografico de la Armada de Ecuador (INOCAR), INOCAR, Advanced Virtual and Intelligent Computing Research Center, Faculty of Science, Chulalongkorn University [Bangkok], Department of Applied Geology, University of Madras, Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Nice Sophia Antipolis (1965 - 2019) (UNS), and COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
010504 meteorology & atmospheric sciences, India, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, 01 natural sciences, Tamil Nadu, 010305 fluids & plasmas, Geochemistry and Petrology, 2004 Tsunami, Coastal zone, 0103 physical sciences, runup, 0105 earth and related environmental sciences, Computer simulation, Sumatra, Tsunami propagation, language.human_language, South, Indian ocean, Geophysics, Oceanography, Tamil, numerical simulation, language, Tide gauge, Far East, Geology
Abstract

International audience; A numerical simulation of the 26th December, 2004 Indian Ocean tsunami of the Tamil Nadu coastal zone is presented. The simulation approach is based on a fully nonlinear Boussinesq tsunami propagation model and included an accurate computational domain and a robust coseismic source. The simulation is first confronted to available tide gauge and runup observations. The agreement between observations and the predicted wave heights allowed a reasonable validation of the simulation. As a result, a full picture of the tsunami impact is provided over the entire coastal zone Tamil Nadu. The processes responsible for coastal vulnerability are discussed.

Published
2010
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