{
  "schemaVersion": 1,
  "paper": {
    "title": "Auditing urban nature access claims for sustainable city governance",
    "authors": ["Kexin Zhou", "Liuna Geng"],
    "journal": "npj Urban Sustainability",
    "doi": "10.1038/s42949-026-00470-6",
    "publishedAt": "2026-08-27",
    "status": "Article in Press"
  },
  "geography": "ONS London region",
  "population": {
    "censusEdition": "Census 2021 TS001 version 3",
    "lsoaCentroids": 4994,
    "representedResidents": 8799776,
    "regionalCensusResidents": 8799824,
    "aggregationDifference": 48,
    "representation": "LSOA population-weighted centroids"
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  "methods": [
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      "sourceLabel": "site_polygon_euclidean",
      "label": {"ro": "Poligonul spațiului, linie dreaptă", "en": "Site polygon, straight line"}
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      "id": "access",
      "sourceLabel": "euclidean_pedestrian_capable_access_points",
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    {
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      "sourceLabel": "network_pedestrian_capable_access_points",
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  "thresholdsMetres": [300, 500, 1000],
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      "thresholdMetres": 300,
      "euclideanNoAccessPopulation": 1090289,
      "networkNoAccessPopulation": 4341752,
      "reclassifiedPopulation": 3251463,
      "reclassifiedPopulationSharePercent": 36.95
    },
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      "euclideanNoAccessPopulation": 62890,
      "networkNoAccessPopulation": 1507880,
      "reclassifiedPopulation": 1444990,
      "reclassifiedPopulationSharePercent": 16.42
    },
    {
      "thresholdMetres": 1000,
      "euclideanNoAccessPopulation": 0,
      "networkNoAccessPopulation": 45595,
      "reclassifiedPopulation": 45595,
      "reclassifiedPopulationSharePercent": 0.52
    }
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  "derivedClaims": {
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    "networkThresholdGap300To1000PercentagePoints": 48.82,
    "exactAccessPointEuclidean300Percent": 87.610036892,
    "exactAccessPointNetwork300Percent": 50.660653180,
    "exactAccessPointMethodGap300PercentagePoints": 36.949383712,
    "exactNetwork1000Percent": 99.481861811,
    "exactNetworkThresholdGap300To1000PercentagePoints": 48.821208631
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