Landsat 9 Reprocessing Changes Thermal Data
While conducting standard Landsat Collection 2 Level-1 Landsat product validation, the USGS Calibration/Validation Team at the EROS Center discovered that a corrupt Bias Parameter File (BPF) was applied to Landsat 9 Level-1 data that were acquired on June 30th and July 1st, 2023.
On Wednesday July 12th, 2023, fifty-five Landsat 9 scenes were reprocessed to apply the correct BPF to the impacted data – these updates then propagated through the USGS Level-2 and Level-3 data processing systems as well.
Note: This affects the data from the Thermal Infrared Sensor (TIRS) only; Operational Land Imager (OLI) data were not affected with this reprocessing.
Data from these Landsat 9 scenes were reprocessed:
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Path 77 Rows 230–244
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Path 93 Rows 10–88
Please note that as data are reprocessed, each scene's Product Identifier will be updated to reflect the most recent processing date.
Contact USGS EROS Customer Services with any questions about this announcement.
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