Our study takes flight with Google Earth Engine (GEE) as its engine, analyzing how vegetation health changes over time. We're using a powerful tool, derived from satellite imagery, the Normalized Difference Vegetation Index NDV. Think of NDVI as a report card for the health of the plant, allowing us to monitor the vast landscape and detect changes in the environment. It grants us instant access to massive satellite image libraries, eliminates software limitations by handling large-scale analyses seamlessly, and even simplifies image prep work. The magic of GEE lies in its cloud power. We can map changes in land cover, such as the expansion of cities, the development of agricultural practices and deforestation, by diving deep into the NDVI time series and using change detection techniques. The analysis of NDVI trends over a longer period reveals potential long-term changes in ecosystem health, as well as seasonality fluctuations. In order to allow researchers to adapt their approach to different regions, GEE's user-friendly scripting allows analyses to be repeated and transparent. Ultimately, these NDVI insights empower informed decision-making for sustainable land management, ensuring we make well-informed choices to safeguard our precious natural resources.

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NDVI Time Series Analysis for Vegetation Monitoring Using Liss-III Data

  • Kakumanu Christy Victor,
  • Radhesyam Vaddi,
  • Mahali Tirumala Raju,
  • Pulapaka Varun Kumar

摘要

Our study takes flight with Google Earth Engine (GEE) as its engine, analyzing how vegetation health changes over time. We're using a powerful tool, derived from satellite imagery, the Normalized Difference Vegetation Index NDV. Think of NDVI as a report card for the health of the plant, allowing us to monitor the vast landscape and detect changes in the environment. It grants us instant access to massive satellite image libraries, eliminates software limitations by handling large-scale analyses seamlessly, and even simplifies image prep work. The magic of GEE lies in its cloud power. We can map changes in land cover, such as the expansion of cities, the development of agricultural practices and deforestation, by diving deep into the NDVI time series and using change detection techniques. The analysis of NDVI trends over a longer period reveals potential long-term changes in ecosystem health, as well as seasonality fluctuations. In order to allow researchers to adapt their approach to different regions, GEE's user-friendly scripting allows analyses to be repeated and transparent. Ultimately, these NDVI insights empower informed decision-making for sustainable land management, ensuring we make well-informed choices to safeguard our precious natural resources.