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The world is constantly being devastated by unpredictable disasters. Years of civilization of a nation can simply be shattered by a disaster such as tsunamis, in a matter of hours. Flooding has been one of the most devastating natural disasters striking many parts of the world. The increasing trend in flood disasters has resulted from the combined impacts of several factors including global warming effects (such as increasing frequency of intense rain, glacier melting and sea-level rise) land-use changes and growing number of population in flood prone areas.

INTRODUCTION

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