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<p>Vegetation plays an essential role in ecosystem processes, including control of soil erosion and carbon and water cycles. This study examines sudden changes in vegetation in Jharkhand, India, from 2001 to 2018 using the Moderate Resolution Imaging Spectroradiometer (MODIS) Enhanced Vegetation Index (EVI) and Breaks For Additive Season and Trend (BFAST) algorithm. The results show that 69% of the land area experienced abrupt vegetation change. The main negative changes occurred in 2008, 2014, and 2015. Positive changes reached the peak in 2012 and 2013. Negative changes ranged from -0.4 to -0.001 while positive changes ranged from 0.001 to 0.4. The highest negative change was -0.1 to -0.05 and positive between 0.01 and 0.05. These findings emphasize significant environmental impacts and emphasize the need to improve soil and control to alleviate the ecosystem degradation and support sustainable development in Jharkhand.</p>

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MODIS EVI-based assessment of regional level vegetation changes using BFAST algorithm

  • 期刊论文

  • 发表日期：

    2025年9月12日

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  • Niraj Priyadarshi,
  • Suparn Pathak,
  • C. Sudhakar Reddy,
  • Sushil Kumar Srivastav,
  • Vemuri Muthayya Chowdary,
  • Chandrasekar Kamalakannan,
  • Jeganathan Chockalingam,
  • Soumya Bandyopadhyay

摘要

Vegetation plays an essential role in ecosystem processes, including control of soil erosion and carbon and water cycles. This study examines sudden changes in vegetation in Jharkhand, India, from 2001 to 2018 using the Moderate Resolution Imaging Spectroradiometer (MODIS) Enhanced Vegetation Index (EVI) and Breaks For Additive Season and Trend (BFAST) algorithm. The results show that 69% of the land area experienced abrupt vegetation change. The main negative changes occurred in 2008, 2014, and 2015. Positive changes reached the peak in 2012 and 2013. Negative changes ranged from -0.4 to -0.001 while positive changes ranged from 0.001 to 0.4. The highest negative change was -0.1 to -0.05 and positive between 0.01 and 0.05. These findings emphasize significant environmental impacts and emphasize the need to improve soil and control to alleviate the ecosystem degradation and support sustainable development in Jharkhand.