{
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    "metadataURL": "https://www.arcgis.com/home/item.html?id=cfcb7609de5f478eb7666240902d4d3d",
    "explorerURL": "https://livingatlas.arcgis.com/landcoverexplorer/",
    "attribution": "Esri, Impact Observatory and Microsoft. Contains modified Copernicus Sentinel-2 data (2025)."
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      "sourceURL": "https://lulctimeseries.blob.core.windows.net/lulctimeseriesv003/lc2025/48N_20250101-20251231.tif"
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  "classes": {
    "0": "No data / outside Singapore",
    "1": "Water",
    "2": "Trees",
    "4": "Flooded vegetation",
    "5": "Crops",
    "7": "Built area",
    "8": "Bare ground",
    "9": "Snow / ice",
    "10": "Clouds / no land-cover information",
    "11": "Rangeland"
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  "weightsEncoding": {
    "R": "Tree-class fraction",
    "G": "Low vegetation fraction: flooded vegetation, crops, rangeland",
    "B": "Built area or bare-ground fraction",
    "A": "Valid non-water material fraction"
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  "weightsSampling": "Linear filtering and mipmaps allowed. RGBA channels are linear data, not sRGB. Disable premultiplied alpha; channels are independent fractions.",
  "classSampling": "Nearest only. Single-channel PNG: raw class ID in red. No colour palette. North-up raster.",
  "methods": [
    "Nearest-neighbour warp of original categorical labels to 10 m local AEQD grid.",
    "National territory boundary from the existing OSM relation 536780 clips neighbouring countries.",
    "20 m / 40 m material weights are average one-hot class fractions, not new measured resolution."
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  "limitations": [
    "Annual 2025 classification, not a live image or individual tree inventory.",
    "10 m labels cannot resolve narrow paths or every individual crown, roof, lawn or coastal feature.",
    "Subpixel and small-island classification uncertainty remains. Water and cloud/no-data do not drive land materials.",
    "Fine-scale texture added by the renderer is illustrative material detail, not measured surface imagery."
  ],
  "alternativesChecked": [
    {
      "name": "JAXA Southeast Asia HRLULC",
      "observationYear": 2023,
      "release": "2025-09",
      "resolutionM": 10,
      "source": "https://www.eorc.jaxa.jp/ALOS/en/dataset/lulc/lulc_v2509_e.htm",
      "reasonNotUsed": "Older observation year; separate registration required."
    }
  ]
}