Google Earth Engine 36: Finding monthly NDVI anomalies using Earth Engine
Terra Spatial
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Google Earth Engine 36: Finding monthly NDVI anomalies using Earth Engine
3 554 просмотра · 3 г. назад
Terra Spatial
53,7 тыс. подписчиков
3 554 просмотра · 3 г. назад
In this video tutorial, you will learn how to find monthly NDVI anomalies and visualize them as imagery and a time series plot.
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Information on NDVI Anomaly:
The Normalized Difference Vegetation Index (NDVI) measures how dense and green plant leaves are which suggests overall vegetative health. Scientists calculate average NDVI values over a span of years to find out what is normal at each time of year. They then compare the current NDVI value for each day of year to the average computed over the set of base years to determine if the areas are more or less productive than the average. This comparison, called the NDVI Anomaly, is used in this visualization showing the changes in global crop production in regions of the globe and time periods when they experienced significant drought conditions. For more visit: https://svs.gsfc.nasa.gov/4916
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Code Link: https://drive.google.com/file/d/1RS-z...
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For more information visit:
https://svs.gsfc.nasa.gov/4916
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