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Sentinel-2 is an Earth observation mission from the Copernicus Programme that acquires optical imagery at high spatial resolution (10 m to 60 m) over land and coastal waters. The mission's Sentinel-2A and Sentinel-2B satellites were joined in orbit in 2024 by a third, Sentinel-2C, and in the future by Sentinel-2D, eventually replacing the A and ...
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It is the first Sentinel-2 satellite launched as part of the European Space Agency's Copernicus Programme. The satellite carries a wide swath high-resolution multispectral imager with 13 spectral bands. Its observations support services such as forest monitoring, land cover change-detection, natural disaster management and water quality ...
This image contains data from a satellite in the Copernicus Programme, such as Sentinel-1, Sentinel-2 or Sentinel-3. Attribution is required when using this image. Attribution is required when using this image.
A supervised classification is a system of classification in which the user builds a series of randomly generated training datasets or spectral signatures representing different land-use and land-cover (LULC) classes and applies these datasets in machine learning models to predict and spatially classify LULC patterns and evaluate classification accuracies.
Sentinel-2 NDWI for waterbody detection can be constructed by using: "Green" Band 3 (559 nm) and "NIR" Band 8A (864 nm) McFeeters index: If looking for water bodies or change in water level (e.g. flooding), then it is advisable to use the green and NIR spectral bands [ 18 ] or green and SWIR spectral bands.
English: The Copernicus Sentinel-2 mission takes us over Barcelona – the second largest city in Spain. On the northeast coast of the Iberian Peninsula, Barcelona occupies a low plateau along the Mediterranean coastal plain. The city and its red roofs contrast with the forested hills and the sea that surround it.