Applications of RS & GIS for Tsunami and Sea Surges Risk Assessment Along the Coast of Karachi
Keywords:
GIS, RS, Tsunami, Sea Surges, Karachi, Coastal InundationAbstract
Coastal Areas are prone to several hazards like storm surges inundation due to sea level rise or coastal flooding, Tsunamis, and so on. However, the condition is more disastrous, if the coast is highly built up and populated. Pakistan occupies a coastline of 1046 kms. The most developed part of it is the city of Karachi. The coast faces storms several times during the monsoon season and there is a sea level rise threat also in the coming years. The coast of Pakistan also lies near the plate boundaries of two major plates: The indo-Australian and Eurasian plates, and two minor plates the Arabian and Iranian Plates. In case of any major earthquakes in the Arabian Sea, a tsunami is a big hazard, which may engulf many important and heavily built-up commercial, residential, industrial, and sensitive areas of the armed forces. The aim of the study is to analyze the loss in case of inundation of the Karachi Coast, with Remote Sensing and GIS Techniques.
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