AI-generated Key Takeaways
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Landsat 8 Collection 2 data includes both Tier 1 and Tier 2 raw scenes, representing scaled, calibrated at-sensor radiance values.
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Tier 1 scenes have the highest data quality and are suitable for time-series analysis, including Level-1 Precision Terrain (L1TP) processed data.
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Tier 2 scenes do not meet Tier 1 criteria and include Systematic terrain (L1GT) and Systematic (L1GS) processed scenes, as well as some L1TP scenes.
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Landsat 8 Collection 2 also provides Tier 1 and Real-Time data for both raw scenes and calibrated top-of-atmosphere (TOA) reflectance.
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USGS Landsat 8 Collection 2 Tier 1 Raw Scenes
Landsat 8 Collection 2 Tier 1 DN values, representing scaled, calibrated at-sensor radiance. Landsat scenes with the highest available data quality are placed into Tier 1 and are considered suitable for time-series processing analysis. Tier 1 includes Level-1 Precision Terrain (L1TP) processed data that have … c2 global l8 landsat lc8 oli-tirs -
USGS Landsat 8 Collection 2 Tier 1 and Real-Time data Raw Scenes
Landsat 8 Collection 2 Tier 1 and Real-Time data DN values, representing scaled, calibrated at-sensor radiance. Landsat scenes with the highest available data quality are placed into Tier 1 and are considered suitable for time-series processing analysis. Tier 1 includes Level-1 Precision Terrain (L1TP) processed … c2 global l8 landsat lc8 nrt -
USGS Landsat 8 Collection 2 Tier 1 and Real-Time data TOA Reflectance
Landsat 8 Collection 2 Tier 1 and Real-Time data calibrated top-of-atmosphere (TOA) reflectance. Calibration coefficients are extracted from the image metadata. See Chander et al. (2009) for details on the TOA computation. Landsat scenes with the highest available data quality are placed into Tier 1 … c2 global l8 landsat lc8 satellite-imagery -
USGS Landsat 8 Collection 2 Tier 2 Raw Scenes
Landsat 8 Collection 2 Tier 2 DN values, representing scaled, calibrated at-sensor radiance. Scenes not meeting Tier 1 criteria during processing are assigned to Tier 2. This includes Systematic terrain (L1GT) and Systematic (L1GS) processed scenes, as well as any L1TP scenes that do not … c2 global l8 landsat lc8 oli-tirs