AI-generated Key Takeaways
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Landsat 4 TM Collection 2 provides Tier 1 and Tier 2 raw scene data, representing scaled and calibrated at-sensor radiance.
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Tier 1 data has the highest quality and is suitable for time-series analysis, including Level-1 Precision Terrain (L1TP) processed data.
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Tier 2 data comprises scenes not meeting Tier 1 criteria, such as Systematic terrain (L1GT) and Systematic (L1GS) processed scenes, and any lower quality L1TP scenes.
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Both datasets offer global coverage and are tagged with Collection 2 (C2), Landsat 4 (L4), and radiance.
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USGS Landsat 4 TM Collection 2 Tier 1 Raw Scenes
Landsat 4 TM 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 … c2 global l4 landsat lt4 radiance -
USGS Landsat 4 TM Collection 2 Tier 2 Raw Scenes
Landsat 4 TM 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 … c2 global l4 landsat lt4 radiance