June 2017
Beginner
428 pages
10h 2m
English
Content preview from Practical GIS
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Accessing satellite data
Data acquisition with instruments mounted on airborne vehicles is commonly called remote sensing. Mounting sensors on satellites is a common practice by space agencies (for example, NASA and ESA), and other resourceful companies. These are also the main source of open source data as both NASA and ESA grant free access to preprocessed data coming from these sensors. In this part of the book, we will download remote sensing data (often called imagery) from USGS's portal: Earth Explorer. It can be found at https://earthexplorer.usgs.gov/. As the first step, we have to register an account in order to download data.
If you would like to download Sentinel-2 data instead of Landsat imagery, you can find ESA's Copernicus ...
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