Abstract
The 485-km-long coastline of Odisha, a state in the northeastern part of the Indian peninsula, is potentially vulnerable to several disaster events that take place frequently. In addition to threats due to natural hazards, these coastal regions also face immense population and developmental pressures. The increase in the intensity and frequency of cyclones and accelerated sea level rise related to increased sea surface temperature have led to flooding, coastal erosion and shoreline retreat causing damage to coastal ecosystems and resources in these regions. In recognition of these risks, the present work demonstrates a GIS-based approach to assess the vulnerability of the 187-km stretch from Puri to Konark out of the total 485-km coastline using analytical hierarchy process (AHP). The present study focuses on computation of integrated coastal vulnerability index which is an integration of physical vulnerability index, geotechnical vulnerability index and social vulnerability index using AHP taking nine risk variables into consideration. An attempt has been made to demonstrate the state-of-the-art microzonation of the coastal stretch between Puri and Konark based on the vulnerability indices using geographical information system.
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Acknowledgements
Coordinates of the sampling locations have been collected by field surveys through GPS. All data sources are duly acknowledged. Maps prepared for this study have been completed with the free software QGIS, Arc GIS, Arc View3.2a.
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Behera, R., Kar, A., Das, M.R. et al. GIS-based vulnerability mapping of the coastal stretch from Puri to Konark in Odisha using analytical hierarchy process. Nat Hazards 96, 731–751 (2019). https://doi.org/10.1007/s11069-018-03566-0
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DOI: https://doi.org/10.1007/s11069-018-03566-0