Tsunami and Nonlinear Waves

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Anjan Kundu (Editor)

Tsunami and Nonlinear Waves

With 170 Figures

PROF. DR. ANJAN KUNDU Theory Group & Centre for Applied Mathematics and Computational Science Saha Institute of Nuclear Physics Sector 1, Block AF, Bidhan Nagar Calcutta 700064 India e-mail: [email protected]

Library of Congress Control Number: 2007921989 ISBN-13

978-3-540-71255-8 Springer Berlin Heidelberg New York

This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag. Violations are liable to prosecution under the German Copyright Law. Springer is a part of Springer Science+Business Media springer.com © Springer-Verlag Berlin Heidelberg 2007 The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. Cover design: deblik, Berlin Typesetting: camera-ready by the editor Production: Christine Adolph Printing: Krips bv, Meppel Binding: Stürtz GmbH, Würzburg Printed on acid-free paper

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In memory of those died on December 26, 2004 in the Indian Ocean Tsunami

Preface

Unimaginable catastrophe struck the coasts of Indian Ocean in the morning of January 26, 2004, wiping out more than 275,000 human life at a stroke from the face of the earth. It was the killer Tsunami, that originated its journey at the epicenter of the earthquake (of intensity 9.2) near Banda Aceh in Indonesia and traveled as long as to Port Elizabeth in South Africa, covering a distance of more than 8,000 km and bringing unprecedented devastation to the countries like Indonesia, Thailand, Sri Lanka, India and others. All of us were shocked saddened and felt helpless, wanted to do something in accordance to our own ability. I as a scientist working in India and interested in nonlinear dynamics, soliton and related phenomena, decided to contribute by organizing a dedicated effort by world experts to study different aspects of the Tsunami and other oceanic waves with special emphasis on the nonlinear connection of this problem. Our Centre for Appl. Math. & Comp. Sc. (CAMCS) of our Institute, specially my colleague Prof Bikas Chakrabarti enthusiastically supported the idea and came along with the support of a generous fund. In contrast to the conventional linear theory of Tsunami, our emphasis on nonlinearity is in part related to my own conviction for its need, especially for describing the near-shore evolution of the waves with varying depth. The other motivation was the realization that, tho