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USGS Landsat 9 Collection 2 Tier 2 TOA 반사율
Landsat 9 Collection 2 Tier 2 보정된 대기권 상단 (TOA) 반사율입니다. 보정 계수는 이미지 메타데이터에서 추출됩니다. TOA 계산에 관한 자세한 내용은 Chander et al. (2009)를 참고하세요. 처리 중에 Tier 1 기준을 충족하지 않는 장면은 Tier 2에 할당됩니다. 여기에는 체계적인 … c2 전 세계 l9 landsat lc9 satellite-imagery
[null,null,[],[[["This page provides access to USGS Landsat 9 Collection 2 data, including Tier 1 and Tier 2 raw scenes, and Tier 2 top-of-atmosphere (TOA) reflectance."],["Landsat 9 Collection 2 Tier 1 data represents the highest quality scenes suitable for time-series analysis, while Tier 2 includes scenes that did not meet Tier 1 criteria."],["Both Tier 1 and Tier 2 raw scenes provide scaled, calibrated at-sensor radiance, represented as Digital Number (DN) values."],["Landsat 9 Collection 2 Tier 2 TOA reflectance data is calibrated and derived from the image metadata, offering insights into surface reflectance."]]],["Landsat 9 Collection 2 data is categorized into Tiers 1 and 2. Tier 1 includes scenes with the highest data quality, suitable for time-series analysis, and are represented by Level-1 Precision Terrain (L1TP) processed data. Tier 2 data, including Systematic terrain (L1GT) and Systematic (L1GS) processed scenes, do not meet Tier 1 standards. Tier 2 also includes top-of-atmosphere (TOA) reflectance data with calibration coefficients extracted from image metadata.\n"]]