# Vercy AI instruction — YAML 1.2 (JSON-compatible)
{
  "vercy": "1.0-draft",
  "metaModel": {
    "id": "world.p3-water-body-and-hydrology",
    "name": "Water Body & Hydrology",
    "version": "0.2.0-legacy",
    "family": "World Models",
    "category": "Reference example",
    "industry": [
      "Cross-industry"
    ],
    "domain": [
      "planet-nature"
    ],
    "tags": [
      "water",
      "body",
      "hydrology"
    ],
    "status": "legacy example"
  },
  "canonicalUrl": "https://ver.cy/models/world-p3-water-body-and-hydrology/",
  "structure": {
    "bundles": [
      {
        "name": "hydrography",
        "description": "What water bodies exist, where they are and how they connect",
        "layersText": "waterFeature`: rivers, lakes, seas, wetlands and springs as identified features · `catchment`: drainage areas and their nesting · `networkTopology`: upstream and downstream connectivity between features and nodes · `aquifer`: subsurface water bodies, their extent and confinement",
        "findings": []
      },
      {
        "name": "regime",
        "description": "How much water moves, when, and how variable it is",
        "layersText": "flowAndLevel`: discharge, stage, tide and groundwater level observations · `waterBalance`: inflow, outflow, storage, recharge and abstraction returns over a period · `extremeStatistics`: flood and low-flow frequency, return periods and seasonality",
        "findings": []
      },
      {
        "name": "quality",
        "description": "What the water contains and what state that implies",
        "layersText": "physicoChemical`: sampled determinands, concentrations and methods · `biologicalStatus`: indicator communities and classified ecological status",
        "findings": []
      }
    ]
  },
  "serviceLayers": {
    "artifactFormats": [],
    "policies": [],
    "crud": {},
    "roles": []
  },
  "legacySource": "/models/docs/planet-nature/P3-water-body-and-hydrology.md",
  "migrationNotes": [
    "Findings, questions, artifacts, CRUD rules and access roles are not explicit in this legacy version."
  ]
}