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April 5, 2023

The effort to reprocess all Landsat 9 Collection 2 data held in the USGS archives began in early March 2023 to take advantage of calibration updates identified by the USGS/NASA Calibration/Validation team.

First announced in this February 2023 Landsat News, the reprocessing of the Landsat 9 archive is nearing the 50 percent completion point, with about 150,000 Landsat 9 Collection 2 (C2) scenes submitted into Level-1 data processing. We estimate that this campaign will be completed in early May.  

Landsat 9 Sensor Alignment for L1GT Improvements Map
This map displays the location of Landsat 9 Level-1 Systematic Terrain- (L1GT) corrected scenes that benefit from calibration updates applied during reprocessing of Landsat 9 data. Visit the Landsat 9 OLI and TIRS Calibration Notices webpage for more details about this update. 

As stated in the news announcement, this reprocessing effort started with the most recent data and is working back through the Landsat 9 USGS archive to October 31, 2021. Newly processed Level-1 data propagate through to Collection 2 Level-2 science products, U.S. Landsat Analysis Ready Data (U.S. ARD), and Level-3 Dynamic Surface Water Extent (DSWE) and Fractional Snow Cover Area (fSCA) science products.* 

Landsat products are available for download from EarthExplorer and the Commercial Cloud. Reminder: the Product Identifier for each Landsat 9 product displays a new processing date — reprocessed products have a processing date that is March 7, 2023, or later.    

*While DSWE and fSCA science products are being processed during this effort, Landsat 9 Level-3 Burned Area products will start becoming available shortly after the entire Landsat 9 reprocessing campaign has completed. fSCA Statistics information will be updated and become available after the campaign and the processing of Burned Area products has completed.   

Future communications will announce the completion of the reprocessing effort, and when all science products have completed processing. Please contact USGS Customer Services with any questions about this announcement.  


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