Coastal morphodynamics associated natural hazards: a case study of Oluvil area in Ampara district, Sri Lanka
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The tidal action is one of the most significant forces of the littoral changes. This study mainly focuses on coastal morphodynamics associated hazards which are caused by the natural phenomena. The study area, which is covered about 16 km in length, is rich by coastal resources and has an abundance of natural biodiversity. The objectives of this study (a) to identify the coastal morphodynamics associated hazards by the waves in the study area and (b) to detect coastal morphodynamics using time series data from 1981 to 2015 and to show the intensity of shoreline changes with the aid of Geo Spatial Technology. For this study, Aerial photograph in 1981 and satellite images of 2001 and 2015 used to identify the costal morphodynamics of the study area and they were subjected to the analysis with the aid of GIS 10.5 software. This study is concluded that the coastal morphodynamics associated hazards have been identified heavily in the study area due to the severe wave action.
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