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Coastal vulnerability assessment: a case study on erosion and coastal change along Tuticorin, Gulf of Mannar

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  • Anitha Parthasarathy
  • Usha Natesan

Abstract

Assessment of vulnerability is essential for identifying and recognizing the coastal livelihood, socio-economic and ecological security status. However, coastal vulnerability assessments require a complex dataset including human and socio-economic factors. In this study, we investigated coastal vulnerability index (CVI) to map the vulnerability of Tuticorin coast toward coastal erosion using remote sensing data and geographical information techniques based on a multi-indicator approach. Gulf of Mannar located along the southeast coast of India and declared as a marine national park with high ecological diversity faces threat due to anthropogenic interventions as a result of industrialization, sand and coral mining, etc. CVI highlights the vicinity where the physical effects may be the greatest. Beach width was considered as an additional parameter, since a large number of coastal habitations were present adjacent to the beach along the study area. Coastal erosion, slope and relative sea level rise are the major factors affecting the coastal vulnerability in Tuticorin. CVI scores were categorized into four classes, viz., low, moderate, high and very high risk. Out of 84-km coastal stretch, 15 % falls under high risk, 12 % moderate vulnerability and 73 % the low vulnerable category. This approach provides an insight to assess the vulnerability and the degree of potential threat to the coastal system in order to prioritize actions and to develop adaptation measures. Copyright Springer Science+Business Media Dordrecht 2015

Suggested Citation

  • Anitha Parthasarathy & Usha Natesan, 2015. "Coastal vulnerability assessment: a case study on erosion and coastal change along Tuticorin, Gulf of Mannar," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 75(2), pages 1713-1729, January.
  • Handle: RePEc:spr:nathaz:v:75:y:2015:i:2:p:1713-1729
    DOI: 10.1007/s11069-014-1394-y
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    References listed on IDEAS

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    1. A. Arun Kumar & Pravin Kunte, 2012. "Coastal vulnerability assessment for Chennai, east coast of India using geospatial techniques," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 64(1), pages 853-872, October.
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    2. Jhantu Dey & Sayani Mazumder, 2023. "Development of an integrated coastal vulnerability index and its application to the low-lying Mandarmani–Dadanpatrabar coastal sector, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 116(3), pages 3243-3273, April.
    3. Fabio Ietto & Gaetano Pellicone & Nicola Cantasano, 2023. "Silting Process and Loss of Posidonia oceanica Meadows in the Tyrrhenian Waters of Calabria (Southern Italy)," Sustainability, MDPI, vol. 15(17), pages 1-16, August.
    4. Zheng-Tao Zhu & Feng Cai & Shen-Liang Chen & Dong-Qi Gu & Ai-Ping Feng & Chao Cao & Hong-Shuai Qi & Gang Lei, 2018. "Coastal Vulnerability to Erosion Using a Multi-Criteria Index: A Case Study of the Xiamen Coast," Sustainability, MDPI, vol. 11(1), pages 1-20, December.
    5. Caiyao Xu & Lijie Pu & Ming Zhu & Jianguo Li & Xinjian Chen & Xiaohan Wang & Xuefeng Xie, 2016. "Ecological Security and Ecosystem Services in Response to Land Use Change in the Coastal Area of Jiangsu, China," Sustainability, MDPI, vol. 8(8), pages 1-24, August.
    6. Aishwarya Narendr & S. Vinay & Bharath Haridas Aithal & Sutapa Das, 2022. "Multi-dimensional parametric coastal flood risk assessment at a regional scale using GIS," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 24(7), pages 9569-9597, July.

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