How is Landsat 1-8 Collection 1 level-1 produced?
All Landsat 1-8 Collection 1 Level-1 are produced by the Landsat Product Generation System (LPGS) using the following parameters: Landsat Level-1 data are distributed as scaled and calibrated digital numbers (DN).
Where can I download new scenes from Landsat?
Newly acquired Landsat 7 and Landsat 8 scenes become available for download typically less than 12 hours after data acquisition. Landsat Collection 1 Level-1 scenes are available for download at no charge from EarthExplorer. They can be found under the Landsat category on the Data Set tab as shown in this image.
When was Landsat 4-5 Thematic Mapper data acquired?
* Some Landsat 4-5 Thematic Mapper (TM) data acquired between 1984 and 1989 cannot be processed by the USGS Landsat Product Generation System and added to the Collection 1 Level-1 inventory. Visit the Landsat Processing Systems page for more information about these specific scenes.
Is there an issue with access to Landsat data?
PLEASE NOTE: On December 23, 2020 the USGS identified an issue with searching the Landsat Collection 2 Surface Temperature products using the Satellite (SAT) Application Programming Interface (API) ( https://landsatlook.usgs.gov/sat-api ).
How does the USGS manage the Landsat archive?
In 2016, the USGS reorganized the Landsat archive into a tiered collection management structure titled Landsat Collection 1. This structure ensures that all Landsat Level-1 products provide a consistent archive of known data quality while controlling continuous improvement of the archive and access to all data as they are acquired.
What is the QA band for Landsat Collection 1?
The Landsat Collection 1 Level-1 Quality Assessment (QA) 16-bit band allows users to apply per pixel filters to all Landsat Collection 1 Level-1 data products.
Where can I find Landsat level-3 burned area?
Landsat Collection 1 Level-3 Burned Area, Dynamic Surface Water Extent, and Fractional Snow Covered Area products are generated from Collection 1 U.S. Landsat Analysis Ready Data (ARD) Surface Reflectance data and are available to download from EarthExplorer.