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Classifying inundation limits in SE coast of India: application of GIS |
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| Authors: | G Muthusankar C Lakshumanan V Pradeep-Kishore S Eswaramoorthi M P Jonathan |
| Institution: | 1. French Institute of Pondicherry, 11 St. Louis Street, P.B. 33, Puducherry, 605 001, India 2. Centre for Remote Sensing, Bharathidasan University, Khajamalai Campus, Thiruchirappalli, 620 023, India 3. Department of Civil Engineering, Anna University of Technology, Thiruchirappalli, 620 024, India 4. Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), Instituto Politécnico Nacional (IPN), Calle 30 de Junio de 1520, Barrio la Laguna, Ticomán, Del. Gustavo A. Madero, 07340, Mexico, DF, Mexico |
| Abstract: | A study on the possible inundation limit in SE coast of India was carried out using various physical, geological and satellite imageries. The coastal inundation hazard map was prepared for this particular region as it was affected by many cyclones, flooding, storm surge and tsunami waves during the last six decades. The results were generated using various satellite data (IRS-P6 LISS3; LANDSAT ETM; LANDSAT-5 ETM; LANDSAT MSS) and digital elevation models (ASTER GLOBAL DEM), and a coastal vulnerability index was generated for the entire coastal stretch of Nagapattinam region in SE coast of India. The coastal area which will be submerged totally due to a 1–5 m rise in water level due to any major natural disaster (tsunami or cyclone) indicates that 56–320 km2 will be submerged in this particular region. The results suggest that nearly 7 towns and 69 villages with 667,477 people will be affected and indicate that proper planning needs to be done for future development. |
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