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Using Multispectral Imagery to Analyze NDVI Change in Eastern Africa w/ ArcGIS Pro | by Colin T. Stiles, GISP | Medium

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In 2019–2020, Ethiopia experienced a locust invasion that devastated crops and vegetation throughout the country. Landsat 8 imagery of Addis Ababa and the Aledeghi Wildlife Reserve from before and after the invasion help to analyze the impacts on vegetation. This case study comes from Esri’s online tutorial catalogue. The complete tutorial can be found here. Step One — Acquire the Data 1–0. Geodatabase Before downloading any data, I will create a new geodatabase called “Ethiopia.gdb” where I will save and store all data and subsequent layers that will be created. 1–1. Landsat Data Landsat 8 data is a raster in 30x30 meter resolution and 16 bit short pixel depth and type. File type is .tif (Tag Image File Format). This data comes from the USGS EarthExplorer. The 2019 Landsat layer is called “Landsat8_2019_10_15” and the 2020 Landsat layer is called “Landsat8_2020_11_18.” What is Landsat 8? The Landsat 8 satellite orbits the earth at an altitude of 705 kilometers and completes an orbit e

Using Multispectral Imagery to Analyze NDVI Change in Eastern Africa w/ ArcGIS Pro Colin T. Stiles, GISP 6 min read · Mar 21, 2023 -- Listen Share In 2019–2020, Ethiopia experienced a locust invasion that devastated crops and vegetation throughout the country. Landsat 8 imagery of Addis Ababa and the Aledeghi Wildlife Reserve from before and after the invasion help to analyze the impacts on vegetation. This case study comes from Esri’s online tutorial catalogue. The complete tutorial can be found here . Press enter or click to view image in full size Ethiopian Highlands. Photo by Yohannes Mina

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