{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.terrace-q828581","code":"thing-q828581","url":"https://ver.cy/models/thing/q828581/","name":"terrace","alternateNames":["marine terrace","submarine terrace","sinter terrace","lynchet"],"kind":"thing","status":"published","version":"0.2.0-wave.3","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 step-like landform with a flat or gently sloping surface bounded by a steeper slope, formed by rivers cutting into former floodplains, by marine erosion or uplift creating marine terraces, by submarine processes forming submarine terraces, by mineral deposition from springs forming sinter terraces, or by human cultivation creating agricultural terraces and lynchets on hillsides; terraces record past sea levels, river regimes and land use.","purpose":"Let an agent explain terraces as landforms and their formation, relay natural and human-made types from geomorphological and archaeological sources, describe their use in dating and agriculture, and distinguish terrace landforms from building terraces and terraced housing.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Flat tread and steep riser","Natural or human-made","Records past levels","Multiple processes"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a terrace is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is a terrace landform, and how does it differ from building terraces and terraced housing?","kind":"definition"},{"text":"Is the question about a landform, an agricultural terrace or a building?","kind":"boundary"}]}]},{"id":"types","name":"Types","description":"Types.","findings":[{"id":"types-finding","name":"Types","description":"Types.","questions":[{"text":"How do river, marine, submarine, sinter and agricultural terraces and lynchets form?","kind":"definition"},{"text":"Which entry fits the specific type?","kind":"action"}]}]}]},{"id":"science","name":"Science","description":"Science.","layers":[{"id":"dating","name":"Dating","description":"Dating and records.","findings":[{"id":"dating-finding","name":"Dating","description":"Dating.","questions":[{"text":"How do terraces record past sea levels, river changes and uplift, and how are they dated?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"processes","name":"Processes","description":"Processes.","findings":[{"id":"processes-finding","name":"Processes","description":"Processes.","questions":[{"text":"What processes cut and build terraces, from incision to travertine deposition?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"use","name":"Use","description":"Human terraces.","layers":[{"id":"agriculture","name":"Agriculture","description":"Agriculture.","findings":[{"id":"agriculture-finding","name":"Agriculture","description":"Agriculture.","questions":[{"text":"How do agricultural terraces conserve soil and water, and where are notable examples?","kind":"provenance"},{"text":"Which entry fits terrace farming?","kind":"action"}]}]},{"id":"archaeology","name":"Archaeology","description":"Lynchets.","findings":[{"id":"archaeology-finding","name":"Archaeology","description":"Archaeology.","questions":[{"text":"What are lynchets, and what do they reveal about ancient farming?","kind":"provenance"},{"text":"Which entry fits lynchet?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Sites and protection.","layers":[{"id":"sites","name":"Sites","description":"Notable sites.","findings":[{"id":"sites-finding","name":"Sites","description":"Sites.","questions":[{"text":"What are notable terraces, from Pamukkale and Mammoth Hot Springs to the Philippine rice terraces?","kind":"provenance"},{"text":"Which entry fits the specific site?","kind":"action"}]}]},{"id":"protection","name":"Protection","description":"Protection.","findings":[{"id":"protection-finding","name":"Protection","description":"Protection.","questions":[{"text":"How are terraces protected and maintained?","kind":"provenance"},{"text":"Which entry fits landscape conservation?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Identify and describe terraces formed by rivers, the sea or uplift from geological sources.","Distinguish natural terraces from built farming terraces."],"mustNot":["Confuse a natural landform terrace with a terrace of houses or a patio.","Recommend building on terrace edges without considering erosion or landslide risk.","Damage protected landforms or archaeological sites on terraces."],"requiresHuman":["Approving development or excavation on a terrace."]},"ethics":{"considerations":["Terraces record past climates and sea levels valued by science.","Unstable terrace slopes endanger homes below."],"affectedParties":["Residents nearby","Scientists","Landowners"]},"owners":{"steward":"The landowner; planning and geological survey authorities record and regulate them.","roles":[],"masterSystems":[]},"relations":[{"target":"Q271669","type":"parent","note":"registry parent class"},{"target":"landform","type":"related","note":"in registry terms"},{"target":"erosion","type":"related","note":"and deposition"},{"target":"Pamukkale","type":"related","note":"a sinter terrace"},{"target":"terraced house","type":"related","note":"a housing form"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.terrace-q828581","Wikidata: Q828581 (https://www.wikidata.org/wiki/Q828581)"]},"properties":{"applicability":"required","items":["Pamukkale sinter terraces: travertine material - Turkey","marine terrace uplift rates: mm to cm per year range - tectonic coasts"]},"recognition":{"applicability":"required","items":["Step-like landform","River terraces, marine terraces, submarine terraces, sinter terraces, agricultural terraces and lynchets","A building terrace is a platform; terraced houses are a row of homes","Flat steps on a hillside or valley side with steeper risers between."]},"capabilities":{"applicability":"required","items":["explain formation","relay types","describe uses in dating and farming","distinguish other senses"]},"hazards":{"applicability":"required","items":["Confusing terrace landforms with buildings","Terrace collapse from neglect or heavy rain","Misdating terraces"]},"interfaces":{"applicability":"required","items":["Geosite and heritage protection for terraces such as UNESCO listed rice terraces","Archaeological protection of lynchets","Soil conservation guidance for terraced farming"]},"context":{"applicability":"required","items":["Not applicable; a landform.","river or fluvial terraces","marine terraces","submarine terraces","sinter and travertine terraces","agricultural terraces such as rice terraces","lynchets from ancient ploughing"]}},"sources":[{"title":"Wikidata item Q828581: terrace","url":"https://www.wikidata.org/wiki/Q828581","note":"identity and sense of the item"},{"title":"Wikipedia: Terrace (geology)","url":"https://en.wikipedia.org/wiki/Terrace_%28geology%29","note":"general description of the item"}],"openQuestions":["Should river terrace and marine terrace be separate primary entries?","How should geomorphological sources be linked?","The registry entry has merged aliases naming natural and human-made types; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q828581/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q828581/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T05:09:41Z","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 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}