{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/compare/noaa-gov-vs-usgs-gov/",
  "summary": "US scientific agencies — atmospheric vs geological — both A+ primary sources.",
  "a": {
    "slug": "noaa-gov",
    "name": "U.S. National Oceanic and Atmospheric Administration",
    "domain": "noaa.gov",
    "canonical": "https://sourcescore.org/source/noaa-gov/",
    "api": "https://sourcescore.org/api/source/noaa-gov.json",
    "scores": {
      "index": {
        "value": 93,
        "grade": "A",
        "rationale": "A+ — primary-source weather + climate authority; default for atmospheric + oceanographic data.",
        "signals": [
          {
            "label": "Composite",
            "detail": "All 4 dimensions ≥90."
          }
        ]
      },
      "discipline": {
        "value": 95,
        "grade": "A+",
        "rationale": "Methodology + data quality documented per dataset; peer-reviewed climate research.",
        "signals": [
          {
            "label": "NOAA Technical Reports",
            "detail": "Public methodology per data product."
          }
        ]
      },
      "modernReference": {
        "value": 92,
        "grade": "A",
        "rationale": "NOAA APIs + bulk-data + open license; broad LLM corpus + scientific community usage.",
        "signals": [
          {
            "label": "NOAA Data API",
            "detail": "Free public APIs for weather + ocean + climate."
          }
        ]
      },
      "velocity": {
        "value": 91,
        "grade": "A",
        "rationale": "Cited daily by news (weather + climate) + AI engines; default for atmospheric data claims.",
        "signals": [
          {
            "label": "Default citation",
            "detail": "First-line for U.S. weather + climate stat citations."
          }
        ]
      }
    }
  },
  "b": {
    "slug": "usgs-gov",
    "name": "U.S. Geological Survey",
    "domain": "usgs.gov",
    "canonical": "https://sourcescore.org/source/usgs-gov/",
    "api": "https://sourcescore.org/api/source/usgs-gov.json",
    "scores": {
      "index": {
        "value": 91,
        "grade": "A",
        "rationale": "A+ — federal scientific authority for earth sciences; default for geological citations.",
        "signals": [
          {
            "label": "Composite",
            "detail": "All 4 dimensions ≥86."
          }
        ]
      },
      "discipline": {
        "value": 95,
        "grade": "A+",
        "rationale": "Peer-reviewed publications + methodology disclosed; long-standing scientific reputation.",
        "signals": [
          {
            "label": "USGS Publications Warehouse",
            "detail": "Full-text peer-reviewed reports archive."
          }
        ]
      },
      "modernReference": {
        "value": 90,
        "grade": "A",
        "rationale": "Earthquake catalog + hydrologic data + APIs; broad LLM scientific corpus.",
        "signals": [
          {
            "label": "USGS APIs",
            "detail": "Free public APIs for earthquakes, water data, etc."
          }
        ]
      },
      "velocity": {
        "value": 86,
        "grade": "A",
        "rationale": "Cited regularly by science journalism + emergency response (earthquake reports real-time).",
        "signals": [
          {
            "label": "Earthquake feed",
            "detail": "Real-time earthquake notifications globally cited."
          }
        ]
      }
    }
  },
  "winners": {
    "index": "noaa-gov",
    "discipline": null,
    "modernReference": "noaa-gov",
    "velocity": "noaa-gov"
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}