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Impact of Land Inundation Caused by Cyclone ‘Amphan’ Across Bangladesh and India Using Spatial Damage Assessment Framework

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Environmental Management and Sustainability in India

Abstract

The tropical cyclone affects millions of people living in the coastal regions. The changing climate has led to an increased intensity and frequency of cyclones, therefore, increasing the damage caused to people, the environment, and property. The Bay of Bengal is most prone to tropical cyclones, which affects Bangladesh and the eastern coastal region of India due to geographical proximity. Hence, a comprehensive understanding of the inundation damage and intensity caused becomes essential to focus the relief efforts on the affected districts. This study identified the shock zone and assessed the inundation-associated damage caused by the recent cyclone Amphan in the area of Bangladesh and West Bengal in India. The shock zonations have been identified based on the pathway of cyclones with their wind speed, elevation, wind impact potentiality, and agricultural population area. The identification of the affected area was done using integrated Landsat and Synthetic-Aperture Radar (SAR) data, and economic damage cost was assessed using the Asian Development Bank’s (ADB) Unit price approach. The total people affected due to inundation are 2.4 million in India and 1.4 million in Bangladesh and the damage totalled up to 5.4million USD. The results of this study can be used by concerned authorities to identify the shock zones and be used for rapid assessment of the damages.

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Notes

  1. 1.

    Bangladesh: Disaster Risk Reduction as Development, UNDP.

  2. 2.

    For more details, step-by-step discussion available on http://www.un-spider.org/advisory-support/recommended-practices/flood-mapping-and-damage-assessment-using-s2-data/in-detail

  3. 3.

    http://www.un-spider.org/advisory-support/recommended-practices/recommended-practice-google-earth-engine-flood-mapping/in-detail

  4. 4.

    Amphan track, wind speed and affected area information are compiled from the report ‘Super Cyclonic Storm “AMPHAN” over the southeast Bay of Bengal(16th – 21st May 2020): Summary’ published by IMD.

  5. 5.

    Agricultural statistics at a glance 2019.

  6. 6.

    Web based land use statistics information system (https://aps.dac.gov.in/APY/Index.htm).

  7. 7.

    Bangladesh Bank Annual Report 2018–19.

  8. 8.

    Preliminary report on Agricultural Census 2019, Bangladesh.

  9. 9.

    https://wbard.gov.in/pages/view/34-welcome-to-animal-resourse-development

  10. 10.

    http://www.bbs.gov.bd/site/page/dc2bc6ce-7080-48b3-9a04-73cec782d0df/-

  11. 11.

    http://wbdmd.gov.in/pages/perspective.aspx

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Medha, Mondal, B., Dolui, G., Tafsirul Islam, S.M., Bera, M.M. (2023). Impact of Land Inundation Caused by Cyclone ‘Amphan’ Across Bangladesh and India Using Spatial Damage Assessment Framework. In: Sahu, A.S., Das Chatterjee, N. (eds) Environmental Management and Sustainability in India. Springer, Cham. https://doi.org/10.1007/978-3-031-31399-8_10

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