{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.river","code":"thing-q4022","url":"https://ver.cy/models/thing/q4022/","name":"river","alternateNames":["border river","transboundary river","sacred river","entrenched river","gold river","former river","Cut-off","seasonal river","winterbourne","blackwater river","tidal river","exotic river"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.PLC"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river, with a source, course, tributaries and mouth; rivers can form borders and many are sacred or culturally significant.","purpose":"Let an agent handle rivers by name, course, flow, water quality, flood risk, uses and cultural significance.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Natural flowing water","Source, course and mouth","Drains a basin","Floods naturally"],"structure":{"bundles":[{"id":"identity","name":"Identity","description":"Which river.","layers":[{"id":"name","name":"Name","description":"River.","findings":[{"id":"name-finding","name":"Name","description":"River identity.","questions":[{"text":"Which river, and through which countries?","kind":"provenance"},{"text":"What are its source and mouth?","kind":"provenance"}]}]},{"id":"size","name":"Size","description":"Length and flow.","findings":[{"id":"size-finding","name":"Size","description":"Size.","questions":[{"text":"How long is it, and what is its discharge?","kind":"measurement"},{"text":"From which source?","kind":"provenance"}]}]}]},{"id":"hazards","name":"Hazards","description":"Floods and safety.","layers":[{"id":"flood","name":"Flood","description":"Warnings.","findings":[{"id":"flood-finding","name":"Flood","description":"Flood warnings.","questions":[{"text":"Are flood warnings in force?","kind":"provenance"},{"text":"Which areas are at risk?","kind":"boundary"}]}]},{"id":"water-safety","name":"Water safety","description":"Drowning.","findings":[{"id":"water-safety-finding","name":"Water safety","description":"Water safety.","questions":[{"text":"Is it safe to swim or paddle here?","kind":"boundary"},{"text":"What should be done if someone falls in?","kind":"action"}]}]}]},{"id":"quality","name":"Quality","description":"Ecology.","layers":[{"id":"status","name":"Status","description":"Water quality.","findings":[{"id":"status-finding","name":"Status","description":"Water quality.","questions":[{"text":"What is its ecological and chemical status?","kind":"provenance"},{"text":"Are there pollution alerts?","kind":"provenance"}]}]},{"id":"wildlife","name":"Wildlife","description":"Habitats.","findings":[{"id":"wildlife-finding","name":"Wildlife","description":"Wildlife.","questions":[{"text":"Which species depend on it?","kind":"definition"},{"text":"Are they protected?","kind":"provenance"}]}]}]},{"id":"people","name":"People","description":"Uses and culture.","layers":[{"id":"uses","name":"Uses","description":"Water and transport.","findings":[{"id":"uses-finding","name":"Uses","description":"Uses.","questions":[{"text":"How is the river used for water, navigation or energy?","kind":"definition"},{"text":"How is it shared between users?","kind":"boundary"}]}]},{"id":"culture","name":"Culture","description":"Sacred rivers.","findings":[{"id":"culture-finding","name":"Culture","description":"Cultural significance.","questions":[{"text":"What cultural or religious significance does it have?","kind":"provenance"},{"text":"Is the description respectful?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Report river levels, flows and water quality from monitoring stations.","Plan routes and activities on or near a river within the rules for that river."],"mustNot":["Discharge waste or pollutants into a river.","Take water or alter a river's course without a permit.","Hide or delay flood warnings that people downstream need.","Disrespect a river that a community holds sacred, such as by dumping in it."],"requiresHuman":["Opening or closing dams, sluices or flood barriers.","Issuing flood warnings to the public."]},"ethics":{"considerations":["Rivers sustain people and ecosystems downstream; harm upstream travels.","Some rivers are sacred or hold legal personhood, and communities depend on them."],"affectedParties":["Downstream communities","River ecosystems and fish","Communities that hold it sacred"]},"owners":{"steward":"The public: held in common; river basin authorities manage it.","roles":[],"masterSystems":["River basin and hydrological monitoring databases","Water abstraction licence registers"]},"relations":[{"target":"Q2221906","type":"parent","note":"registry parent class"},{"target":"Q2479431","type":"parent","note":"registry parent class"},{"target":"Q30092769","type":"parent","note":"registry parent class"},{"target":"Q355304","type":"parent","note":"registry parent class"},{"target":"watercourse and water body","type":"related","note":"category"},{"target":"drainage basin","type":"related","note":"area"},{"target":"flood","type":"related","note":"hazard"},{"target":"water law","type":"related","note":"rules"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.river","Wikidata: Q4022 (https://www.wikidata.org/wiki/Q4022)","national water body id: river basin codes monitoring","GeoNames id: numeric id gazetteer"]},"properties":{"applicability":"required","items":["length: a few km to over 6500 km - major rivers such as the Nile and Amazon","discharge: under 1 to over 200000 m3/s - Amazon is the largest"]},"recognition":{"applicability":"required","items":["Named rivers with source and mouth","Tributaries and basins","Border and transboundary rivers","A channel of flowing water between banks, from streams to broad rivers."]},"capabilities":{"applicability":"required","items":["find source, course and length","check flow and flood warnings","check water quality","plan safe recreation"]},"hazards":{"applicability":"required","items":["Floods","Drowning and cold water shock","Pollution","Disputes over shared rivers"]},"interfaces":{"applicability":"required","items":["EU Water Framework Directive","UN Watercourses Convention","National water and navigation law"]},"context":{"applicability":"required","items":["Water supply, ecosystems, transport, energy, recreation and culture.","perennial rivers","seasonal and intermittent rivers","braided and meandering rivers","transboundary rivers","former and underground rivers"]}},"sources":[{"title":"Wikidata item Q4022: river","url":"https://www.wikidata.org/wiki/Q4022","note":"identity and sense of the item"},{"title":"Wikipedia: River","url":"https://en.wikipedia.org/wiki/River","note":"general description of the item"}],"openQuestions":["Should rivers be instances with identifiers?","How should basins be linked?","How should transboundary disputes be represented?"],"resources":{"spec":"/models/things/publications/thing-q4022/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q4022/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T08:35:59Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:59+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}