{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T19:51:39Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 3,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T06:57:15+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:29+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q30594465",
    "registryId": "vr.tr.niveo-aeolian-deposition",
    "name": "niveo-aeolian deposition",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.FLW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q30594465/",
  "model": {
    "registry_id": "vr.tr.niveo-aeolian-deposition",
    "name": "niveo-aeolian deposition",
    "purpose": "Let an agent explain niveo-aeolian deposition as a cold-climate process, describe how its deposits are recognised, relay findings from geomorphology with attribution, and separate it from ordinary aeolian and glacial deposition.",
    "definition": "The deposition of sediment by wind together with snow, in which sand and silt blown across snow surfaces are trapped in or on the snowpack and released as it melts, forming interbedded sand and snow layers and, after melting, distinctive deposits; it occurs in cold deserts, periglacial regions, high mountains and polar coasts.",
    "what_it_is_for": "Not for anything; a geomorphic process.",
    "affordances": [
      "explain the process and its conditions",
      "describe how deposits are recognised in the field",
      "relay research findings with attribution",
      "distinguish it from aeolian and glacial processes"
    ],
    "distinguishing_features": [
      "Wind transport onto or with snow",
      "Interbedding of sediment and snow",
      "Deposits deform on melting",
      "Confined to cold climates"
    ],
    "appearance": "Alternating layers of sand or silt and snow in winter, and after melting, sand sheets, hummocks and collapsed layers with denivation features.",
    "visual_identification": [
      "Sediment layers within or on a snowpack",
      "Post-melt collapse structures and denivation hollows",
      "Loess and dune deposits without snow involvement are ordinary aeolian deposits"
    ],
    "physical_properties": [
      {
        "quantity": "Sediment deposition flux",
        "unit": "kg/m2/s",
        "typical_range": "",
        "note": "Measure the mass of wind-deposited sediment collected per unit surface area and elapsed time."
      },
      {
        "quantity": "Sediment grain diameter",
        "unit": "mm",
        "typical_range": "",
        "note": "Measure the deposited grain-size distribution by sieving or an appropriate particle-sizing method."
      },
      {
        "quantity": "Sediment-bearing layer thickness",
        "unit": "mm",
        "typical_range": "",
        "note": "Measure individual sediment-bearing layers in a snow profile or a documented section of the resulting deposit."
      },
      {
        "quantity": "Sediment mass concentration in snow",
        "unit": "kg/m3",
        "typical_range": "",
        "note": "Measure the dry sediment mass contained in a known volume of sampled snow."
      }
    ],
    "families_and_kinds": [
      "niveo-aeolian sand sheets",
      "niveo-aeolian dunes and hummocks",
      "denivation features after melt",
      "periglacial and polar coastal forms",
      "ancient deposits in Pleistocene sequences"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "aeolian deposition",
        "why": "wind deposition with snow"
      },
      {
        "relation": "occurs in",
        "target": "periglacial environment",
        "why": "cold-climate setting"
      },
      {
        "relation": "is related to",
        "target": "snow",
        "why": "the trapping medium"
      },
      {
        "relation": "is confused with",
        "target": "glacial deposition",
        "why": "ice transport is a different process"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No regulation; field description follows geomorphological practice"
    ],
    "failure_modes_and_hazards": [
      "Misreading deposits as ordinary dunes or till",
      "Loss of structures on melting before recording",
      "Hazards of fieldwork in cold environments"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe niveo-aeolian deposits and how they form from wind-blown sediment and snow.",
        "Record field observations of these deposits with their date and setting."
      ],
      "must_not": [
        "Interpret a niveo-aeolian deposit as an ordinary dune or till without evidence.",
        "Present a reconstruction of past climate from these deposits as certain.",
        "Send people to cold or remote field sites without safety planning."
      ],
      "requires_human": [
        "Planning fieldwork on snowfields or in polar terrain."
      ]
    },
    "ethics": {
      "considerations": [
        "Misreading deposits distorts reconstructions of past climate.",
        "Fieldwork in cold environments puts researchers at real risk."
      ],
      "affected_parties": [
        "Field researchers",
        "Users of climate reconstructions"
      ]
    },
    "owners": {
      "steward": "Nobody owns the process; the landowner or protected-area authority governs access to sites.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q30594465: niveo-aeolian deposition",
      "url": "https://www.wikidata.org/wiki/Q30594465",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Niveo-aeolian deposition",
      "url": "https://en.wikipedia.org/wiki/Niveo-aeolian_deposition",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "process",
        "name": "Process",
        "description": "How it works.",
        "rationale": "Process.",
        "layers": [
          {
            "id": "mechanism",
            "name": "Mechanism",
            "description": "Mechanism.",
            "findings": [
              {
                "id": "mechanism-finding",
                "name": "Mechanism",
                "description": "Mechanism.",
                "questions": [
                  {
                    "text": "How are sediment and snow deposited together, and what conditions are needed?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the process niveo-aeolian, purely aeolian or glacial?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "settings",
            "name": "Settings",
            "description": "Where it occurs.",
            "findings": [
              {
                "id": "settings-finding",
                "name": "Settings",
                "description": "Settings.",
                "questions": [
                  {
                    "text": "In which environments does it occur, and where is it documented?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits periglacial environments?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "recognise",
        "name": "Recognise",
        "description": "Deposits and features.",
        "rationale": "Field.",
        "layers": [
          {
            "id": "features",
            "name": "Features",
            "description": "Field features.",
            "findings": [
              {
                "id": "features-finding",
                "name": "Features",
                "description": "Features.",
                "questions": [
                  {
                    "text": "What structures identify niveo-aeolian deposits during and after melt?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits sedimentary structures?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "record",
            "name": "Record",
            "description": "Recording.",
            "findings": [
              {
                "id": "record-finding",
                "name": "Record",
                "description": "Record.",
                "questions": [
                  {
                    "text": "How should deposits be measured and recorded before they collapse?",
                    "kind": "action"
                  },
                  {
                    "text": "Which measurements matter?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "study",
        "name": "Study",
        "description": "Research.",
        "rationale": "Study.",
        "layers": [
          {
            "id": "research",
            "name": "Research",
            "description": "Research.",
            "findings": [
              {
                "id": "research-finding",
                "name": "Research",
                "description": "Research.",
                "questions": [
                  {
                    "text": "What do studies say about rates, sediment budgets and climate signals, with attribution?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "ancient",
            "name": "Ancient",
            "description": "Palaeo record.",
            "findings": [
              {
                "id": "ancient-finding",
                "name": "Ancient",
                "description": "Ancient.",
                "questions": [
                  {
                    "text": "How are ancient niveo-aeolian deposits identified in Pleistocene sequences?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Quaternary geology?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Related processes and teaching.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "related",
            "name": "Related",
            "description": "Related processes.",
            "findings": [
              {
                "id": "related-finding",
                "name": "Related",
                "description": "Related.",
                "questions": [
                  {
                    "text": "How does the process relate to loess formation, snowdrift and permafrost?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits aeolian processes?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "teach",
            "name": "Teach",
            "description": "Teaching.",
            "findings": [
              {
                "id": "teach-finding",
                "name": "Teach",
                "description": "Teaching.",
                "questions": [
                  {
                    "text": "How is the process taught in geomorphology?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should denivation features be a separate entry?",
    "How should regional studies be linked?",
    "How should ancient niveo-aeolian deposits be identified?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
