{
  "version": "1.0",
  "status": "research_draft_not_operational",
  "crs": "EPSG:32631",
  "event_date": "2023-10-23",
  "layers": [
    {
      "id": "observed_pre_vv",
      "title": "Pre-spill median VV (dB)",
      "path": "observed_pre_vv.png",
      "min": -25,
      "max": 0,
      "units": "dB",
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    {
      "id": "observed_event_vv",
      "title": "23 October VV (dB)",
      "path": "observed_event_vv.png",
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      "max": 0,
      "units": "dB",
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      "width": 1182,
      "height": 560,
      "role": "observation"
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    {
      "id": "flood_probability",
      "title": "Experimental flood probability",
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      "role": "experimental_model_output"
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    {
      "id": "entropy",
      "title": "Uncalibrated predictive entropy",
      "path": "entropy.png",
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      "width": 1182,
      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "seed_spread",
      "title": "Spread across three trained seeds",
      "path": "seed_spread.png",
      "min": 0,
      "max": 0.25,
      "units": "dimensionless",
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      "width": 1182,
      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "reference_proxy",
      "title": "24 August synthetic-proxy score",
      "path": "reference_proxy.png",
      "min": 0,
      "max": 1,
      "units": "dimensionless",
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      "width": 1182,
      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "reference_weight",
      "title": "24 August contribution weight",
      "path": "reference_weight.png",
      "min": 0,
      "max": 1,
      "units": "dimensionless",
      "extent_utm31n_km": [
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      "width": 1182,
      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "later_probability",
      "title": "Flood probability with later references",
      "path": "later_probability.png",
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      "width": 1182,
      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "reference_difference",
      "title": "Later minus primary flood probability",
      "path": "reference_difference.png",
      "min": -1,
      "max": 1,
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      "width": 1182,
      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "predicted_classes",
      "title": "Experimental predicted classes",
      "path": "predicted_classes.png",
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      "units": "0 non-water; 1 permanent water; 2 flood; 3 low proxy support",
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      "height": 560,
      "role": "experimental_model_output"
    },
    {
      "id": "product_agreement",
      "title": "Product agreement (not accuracy)",
      "path": "product_agreement.png",
      "min": 0,
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      "height": 560,
      "role": "satellite_product_comparison_not_ground_truth"
    },
    {
      "id": "elevation",
      "title": "Elevation",
      "path": "elevation.png",
      "min": 0,
      "max": 150,
      "units": "m",
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      "height": 560,
      "role": "context"
    },
    {
      "id": "hillshade",
      "title": "Shaded relief",
      "path": "hillshade.png",
      "min": 0,
      "max": 1,
      "units": "relative illumination",
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      "width": 1182,
      "height": 560,
      "role": "context"
    },
    {
      "id": "night_lights",
      "title": "Night lights \u00b7 August 2023",
      "path": "night_lights.png",
      "min": 0,
      "max": 10,
      "units": "nW/cm\u00b2/sr",
      "extent_utm31n_km": [
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      "width": 1182,
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    }
  ],
  "areas": {
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      "valid_pixels": 43011292,
      "non_water_pixels": 38885765,
      "permanent_water_pixels": 905610,
      "flood_pixels": 2282866,
      "low_proxy_support_pixels": 937051,
      "raw_argmax_flood_pixels": 2314171,
      "unosat_flood_pixels_covered": 531859,
      "predicted_flood_inside_unosat": 316239,
      "valid_km2": 4301.1292,
      "non_water_km2": 3888.5765,
      "permanent_water_km2": 90.561,
      "flood_km2": 228.28660000000002,
      "low_proxy_support_km2": 93.7051,
      "raw_argmax_flood_km2": 231.4171
    },
    "later_references": {
      "valid_pixels": 43011292,
      "non_water_pixels": 39096699,
      "permanent_water_pixels": 1147130,
      "flood_pixels": 1844260,
      "low_proxy_support_pixels": 923203,
      "raw_argmax_flood_pixels": 1881024,
      "unosat_flood_pixels_covered": 531859,
      "predicted_flood_inside_unosat": 294554,
      "valid_km2": 4301.1292,
      "non_water_km2": 3909.6699000000003,
      "permanent_water_km2": 114.71300000000001,
      "flood_km2": 184.42600000000002,
      "low_proxy_support_km2": 92.3203,
      "raw_argmax_flood_km2": 188.10240000000002
    }
  },
  "limitations": [
    "No independent Ghana accuracy labels.",
    "Source sigma0 / target gamma0 and speckle processing differ; transfer is unharmonized.",
    "Synthetic-proxy scores are not validated probabilities of real suitability.",
    "Probability, entropy and seed spread are uncalibrated.",
    "Low-support area uses an illustrative 0.5 proxy rule, not a validated operational threshold.",
    "UNOSAT agreement is not ground-truth accuracy.",
    "Study boundary is an event assessment extent, not a basin or national boundary."
  ],
  "model_outputs": {
    "primary": "downloads.html#large-files",
    "later_references": "downloads.html#large-files"
  },
  "class_outputs": {
    "primary": "primary_classes.tif",
    "later_references": "later_references_classes.tif"
  },
  "reference_geojson_crs": "EPSG:4326",
  "probabilities_calibrated": false,
  "reference_suitability_validated": false,
  "expert_review_complete": false,
  "boundaries": "UNOSAT event analysis extent, not official basin boundary"
}