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Sentinel-2 L2A 120 m mosaic is a public data collection, that is not part of open EO data. It is not included into EO Browser or Sentinel Playground. To access it, you need a Sentinel Hub account, and then either create a process request to the collection or to create a configuration based on the preprepared template, which will allow you to view it in EO Browser and make OGC requests to it. The collection ID is 484d8dbb-9e3e-41f2-b96b-35189d3ae37f, and the collection type is byoc-484d8dbb-9e3e-41f2-b96b-35189d3ae37f.
The NDWI is used to monitor changes related to water content in water bodies. As water bodies strongly absorb light in visible to infrared electromagnetic spectrum, NDWI uses green and near infrared bands to highlight water bodies. It is sensitive to built-up land and can result in over-estimation of water bodies.
NDWI = (GREEN - NIR) / (GREEN + NIR)
For Sentinel-2, the index calculates as:
NDWI = (B03 - B08) / (B03 + B08)
See also this page.
NDMI of northern Africa and Europe, 27.12.2019.
NDMI of Japan, 27.12.2019.
NDMI of Ganges delta in Bangladesh, 27.12.2019.
