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earth-observation-for-journ.../sources/01 Data retrieval and processing.md

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Data Retrieval and Processing

The first chapter contains notebooks that document the data retrieval process from the Copernicus Open Access Hub.

It explains how to use sentinelsat library to interact with the API: How to specify what kind of data we are interested in with the aide of open map data from OpenStreetMap and how to download it. It then goes on to show how to use rasterio and matplotlib to work with the data.

The Sentinel-2 satellite captures light in visible and invisible parts of the spectrum. This can be used to derive different kinds of useful information about ground-level phenomena. This chapter will detail how to use it to create true-color images for different moments in time.