[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],["The dataset, provided by Google from 1984 to 2012, features Landsat 5 TM Collection 1 Tier 1 composites. It uses the Normalized Difference Snow Index (NDSI) to detect snow based on reflectance differences. Composites are generated from 8-day periods, with the most recent pixel used for each composite value. The NDSI band is measured in 30-meter pixels. This data is public domain and provided by USGS. Earth Engine access requires registration.\n"]]