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Sentinel-2 L2A Quarterly Cloudless Mosaic - NDWI |
Sentinel-2 L2A Quarterly Cloudless Mosaic |
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Sentinel-2 L2A Quarterly Cloudless Mosaic is one of the Sentinel-2 products, that is offered in Copernicus Data Space Ecosystem. The data is accessible via Copernicus Browser. To access the data, you need a Copernicus Data Space Ecosystem account, and then either create a Sentinel Hub Process API request to the collection or to visualise the data via Copernicus Browser. The collection ID is 5460de54-082e-473a-b6ea-d5cbe3c17cca, and the collection type is byoc-5460de54-082e-473a-b6ea-d5cbe3c17cca.
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.
NDWI of Iceland, 01.10.2023.
