Due to a lapse in appropriations, the majority of USGS websites may not be up to date and may not reflect current conditions. Websites displaying real-time data, such as Earthquake and Water and information needed for public health and safety will be updated with limited support. Additionally, USGS will not be able to respond to inquiries until appropriations are enacted. For more information, please see www.doi.gov/shutdown
Explore the USGS Multimedia for access to images, videos, podcasts, and webcams. All items are considered public domain unless otherwise noted.
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 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