type: raster
description: >
  Global water risk indicators including baseline water stress, water depletion,
  interannual and seasonal variability, flood and drought risk, and water quality.
  Core dataset for TNFD Locate 4.D — water-related dependencies and impacts.
uri: catalog://commons/wri-aqueduct
source:
  origin: https://www.wri.org/data/aqueduct-global-maps-40-data
  format: geotiff
  auth: none
geo:
  bbox: [-180.0, -90.0, 180.0, 90.0]
  crs: EPSG:4326
style:
  renderer: maplibre
  palette: water_stress
  opacity: 0.7
  colorRamp:
    - {value: 0.0, color: "#1a9850", label: "Low (<10%)"}
    - {value: 0.1, color: "#91cf60"}
    - {value: 0.2, color: "#d9ef8b"}
    - {value: 0.4, color: "#fee08b", label: "Medium-high (20-40%)"}
    - {value: 0.8, color: "#fc8d59", label: "High (40-80%)"}
    - {value: 1.0, color: "#d73027", label: "Extremely high (>80%)"}
  info:
    fields: [bws]
    format: "Water stress: {value:.1%}"
    section: Water Risk
metadata:
  provider: World Resources Institute
  license: CC-BY-4.0
  tags: [water, risk, stress, tnfd, aqueduct, wri]
  dataset:
    tier: 1
    thematic_group: water
    format: cog
    crs: EPSG:4326
    bands:
      - id: bws
        description: Baseline water stress (ratio of withdrawals to supply)
        dtype: float32
        unit: dimensionless
        nodata: -9999.0
    quality:
      methodology: PCR-GLOBWB 2 hydrological model, multi-year average (1960-2014)
      accuracy: Sub-basin level aggregation; uncertainty varies by region
      coverage: global
      limitations:
        - Aggregated to sub-basin level (HydroBASINS Level 6)
        - Baseline period 1960-2014; does not capture recent changes
        - Arid regions with very low flow may show extreme values
    temporal:
      range: "1960/2014"
      frequency: snapshot
      type: snapshot
      default_range: latest
    format_details:
      type: cog
      compression: deflate
      nodata: -9999.0
      bounds: [-180.0, -90.0, 180.0, 90.0]
    homepage: https://www.wri.org/aqueduct
    doi: "10.46830/writn.23.00061"