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On the relation of vegetation and southwest monsoon rainfall over Western Ghats, India

Author

Listed:
  • T. V. Lakshmi Kumar

    (SRM University)

  • Koteswara Rao

    (Civil Aviation Authority of Qatar)

  • R. Uma

    (SRM University)

  • Humberto Barbosa

    (Laboratório de Análise e Processamento de Imagens de Satélites-LAPIS, Instituto de Ciências Atmosféricas-ICAT, Universidade Federal de Alagoas, UFAL)

  • K. V. K. R. K. Patnaik

    (Indian Maritime University)

  • Emily Prabha Jothi

    (Karnataka State Natural Disaster Monitoring Centre)

Abstract

This article presents the tendency of the normalized difference vegetation index (NDVI) and the dependence of vegetation on the rainfall and number of rainy and non-rainy days over Western Ghats. The study makes use of MODIS Terra NDVI data with 8-day intervals and 250-m resolution from 2000 to 2010 during the southwest monsoon (June to September) season. The results show an increasing tendency of the NDVI over different test sites in Western Ghats. The relation of the NDVI with the Antecedent Precipitation Index obtained from rainfall showed good agreement, and the relation of rainfall and the NDVI was mainly dependent on the available soil moisture levels and elevations of the test sites. Correlations were significant and positive with the number of rainy days and negative with the number of non-rainy days with a nearly 2-month lag.

Suggested Citation

  • T. V. Lakshmi Kumar & Koteswara Rao & R. Uma & Humberto Barbosa & K. V. K. R. K. Patnaik & Emily Prabha Jothi, 2016. "On the relation of vegetation and southwest monsoon rainfall over Western Ghats, 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. 84(1), pages 425-436, October.
    • Handle: RePEc:spr:nathaz:v:84:y:2016:i:1:d:10.1007_s11069-016-2426-6
    DOI: 10.1007/s11069-016-2426-6
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    References listed on IDEAS

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    1. Sanjay Jain & Ravish Keshri & Ajanta Goswami & Archana Sarkar, 2010. "Application of meteorological and vegetation indices for evaluation of drought impact: a case study for Rajasthan, 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. 54(3), pages 643-656, September.
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    Cited by:

    1. T. V. Lakshmi Kumar & Humberto Barbosa & S. Madhu & K. Koteswara Rao, 2019. "Studies on Crop Yields and Their Extreme Value Analysis over India," Sustainability, MDPI, vol. 11(17), pages 1-14, August.

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