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The Landsat 8 Surface Reflectance Code (LaSRC) Product Guide describes the LaSRC algorithm and the Surface Reflectance data products created from it.
Visit the Landsat Surface Reflectance page for more information.
The Landsat 4-7 Surface Reflectance Code LEDAPS Product Guide describes the LEDAPS algorithm and the Surface Reflectance data products created from it.
Visit the Landsat Surface Reflectance web page for more information
The Landsat Collection 1 Level 1 Product Definition document provides details about the Landsat Collection 1 ensures all Landsat Level-1 products provide a consistent archive of known data quality to support time series analyses and data “stacking”, while controlling continuous improvement of the archive, and access to all data as they are acquired.
Landsat Updates - Special Issue: December 2018 - AGU Meeting Edition