[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThe datasets provide Landsat 9 Collection 2 data, including raw scenes at different processing tiers (Tier 1 and Tier 2) and Tier 2 top-of-atmosphere (TOA) reflectance.\u003c/p\u003e\n"],["\u003cp\u003eTier 1 scenes represent the highest quality data suitable for time-series analysis, while Tier 2 scenes may have limitations.\u003c/p\u003e\n"],["\u003cp\u003eLandsat 9 data includes global coverage and utilizes the Operational Land Imager (OLI) and Thermal Infrared Sensor (TIRS).\u003c/p\u003e\n"],["\u003cp\u003eRaw scenes provide scaled, calibrated at-sensor radiance (DN values), while TOA reflectance data is calibrated to represent reflectance at the top of the atmosphere.\u003c/p\u003e\n"]]],["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"],null,[]]
