{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.dew","code":"thing-q41097","url":"https://ver.cy/models/thing/q41097/","name":"dew","alternateNames":["morning dew"],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"This model owns occurrences of liquid water formed by condensation of water vapour directly onto a surface, including their formation evidence, surface distribution, evolution and immediate handling.","purpose":"Enable an AI agent to recognise dew, assess its amount and persistence on a surface, and decide whether to observe, collect, preserve or remove it.","scope":{"in":["Evidence distinguishing dew from other causes of surface wetness","The receiving surface and its local thermal and moisture conditions","Liquid droplets or films attributable to dew formation","Dew accumulation, persistence, evaporation and movement across the surface","Collection or removal of dew and its immediate effects on the receiving surface"],"out":["Fog and clouds as suspended atmospheric droplets","Rain, drizzle, spray and their deposition onto surfaces","Frost formed by direct vapour deposition as ice","Guttation, sap, leaks and other liquid released by plants or equipment","The complete biology, material properties or operation of the receiving object","Treatment, certification and subsequent use of collected water"],"boundaries":[]},"distinguishingFeatures":["Dew attribution requires evidence of vapour condensing at the receiving surface; visible droplets alone cannot distinguish dew from rain, spray or deposited fog.","Dew is liquid at formation; ice deposited directly from vapour is frost, while dew that subsequently freezes requires a recorded phase transition.","Surface temperature compared with the local dew-point temperature supports assessment of condensation conditions; air temperature alone does not establish that dew formed.","Water emerging from plant margins, pores or equipment openings suggests an internal liquid source that must be distinguished from surface condensation.","Liquid suspended in air is fog; liquid on a surface may be dew or deposited fog, requiring formation evidence to distinguish them."],"structure":{"bundles":[{"id":"dew-recognition-and-origin","name":"Dew recognition and origin","description":"Establish whether observed surface water formed by direct condensation and identify competing explanations.","layers":[{"id":"condensation-attribution","name":"Condensation attribution","description":"Connect observed surface wetting to evidence of local vapour condensation.","findings":[{"id":"surface-condensation-evidence","name":"Surface condensation evidence","description":"Record the observations supporting dew attribution and the limits of that evidence.","questions":[{"text":"What observations support water forming at this surface from vapour rather than arriving as liquid?","id":"surface-condensation-evidence-q01","kind":"provenance"},{"text":"Was the onset of wetness observed, or was water already present when observation began?","id":"surface-condensation-evidence-q02","kind":"provenance"}]}]},{"id":"competing-wetting-processes","name":"Competing wetting processes","description":"Distinguish dew from external liquid deposition and liquid released by the receiving object.","findings":[{"id":"alternative-and-mixed-origins","name":"Alternative and mixed origins","description":"Record plausible alternative water sources and whether their contributions can be separated.","questions":[{"text":"Could rain, fog deposition, spray, guttation or leakage account for some or all of the water?","id":"alternative-and-mixed-origins-q01","kind":"boundary"},{"text":"What evidence allows the dew contribution to be separated, and what must remain classified as mixed or uncertain?","id":"alternative-and-mixed-origins-q02","kind":"provenance"}]}]}]},{"id":"surface-condensation-conditions","name":"Surface condensation conditions","description":"Describe the receiving surface and the local conditions relevant to dew formation.","layers":[{"id":"surface-and-vapour-temperatures","name":"Surface and vapour temperatures","description":"Relate the receiving surface temperature to the dew point of adjacent air.","findings":[{"id":"local-condensation-margin","name":"Local condensation margin","description":"Record paired thermal and moisture observations with sufficient context to assess condensation conditions.","questions":[{"text":"What are the surface temperature and local dew-point temperature at the same time and relevant location?","id":"local-condensation-margin-q01","kind":"measurement"},{"text":"Does their difference remain distinguishable from measurement uncertainty and spatial variation?","id":"local-condensation-margin-q02","kind":"measurement"}]}]},{"id":"receiving-surface-exposure","name":"Receiving surface exposure","description":"Describe the surface region and environmental exposure associated with observed dew patterns.","findings":[{"id":"dew-forming-surface-context","name":"Dew-forming surface context","description":"Record surface orientation, shelter, airflow and thermal context without assuming a single cooling mechanism.","questions":[{"text":"Which surface region carries dew, and what are its orientation, sky exposure, shelter and nearby heat sources?","id":"dew-forming-surface-context-q01","kind":"provenance"},{"text":"What observations of airflow, cooling or surface differences help explain why dew occurs here and not on adjacent regions?","id":"dew-forming-surface-context-q02","kind":"measurement"}]}]}]},{"id":"dew-extent-and-quantity","name":"Dew extent and quantity","description":"Describe the physical expression and amount of dew on a defined surface.","layers":[{"id":"droplets-films-and-coverage","name":"Droplets, films and coverage","description":"Characterise the distribution of liquid water over the receiving surface.","findings":[{"id":"surface-wetting-pattern","name":"Surface wetting pattern","description":"Record whether dew forms discrete droplets or films and how its coverage varies.","questions":[{"text":"Is the water present as isolated droplets, coalescing droplets, a film or a mixture?","id":"surface-wetting-pattern-q01","kind":"measurement"},{"text":"What fraction of the defined surface is wet, and which observation method and detection limit establish that fraction?","id":"surface-wetting-pattern-q02","kind":"measurement"}]}]},{"id":"retained-and-recovered-water","name":"Retained and recovered water","description":"Separate water present on the surface from water recovered through collection.","findings":[{"id":"dew-water-inventory","name":"Dew water inventory","description":"Record measured water quantity with its area basis and limitations of attribution or recovery.","questions":[{"text":"How much dew-attributed water is retained on the surface, and what surface area and method support that estimate?","id":"dew-water-inventory-q01","kind":"measurement"},{"text":"If water was collected, how do incomplete recovery, evaporation and other wetting sources affect interpretation of the yield?","id":"dew-water-inventory-q02","kind":"measurement"}]}]}]},{"id":"dew-lifecycle-and-phase","name":"Dew lifecycle and phase","description":"Track formation, persistence and the processes that end or transform a dew occurrence.","layers":[{"id":"onset-and-wetness-duration","name":"Onset and wetness duration","description":"Establish the observed time span and continuity of dew-related wetness.","findings":[{"id":"dew-occurrence-interval","name":"Dew occurrence interval","description":"Record onset, persistence and observation gaps against an explicit wetness criterion.","questions":[{"text":"When was dew-related wetness first and last detected, and what threshold defines detection?","id":"dew-occurrence-interval-q01","kind":"measurement"},{"text":"Was wetness continuous between those observations, or are dry intervals and observation gaps unresolved?","id":"dew-occurrence-interval-q02","kind":"boundary"}]}]},{"id":"water-loss-and-freezing","name":"Water loss and freezing","description":"Distinguish evaporation, drainage, removal and conversion to ice.","findings":[{"id":"dew-fate-and-handoff","name":"Dew fate and handoff","description":"Record where the water goes and when tracking should continue under a neighbouring model.","questions":[{"text":"Is the surface water increasing, evaporating, draining, being removed or freezing, and what evidence supports those states?","id":"dew-fate-and-handoff-q01","kind":"measurement"},{"text":"If ice is present, was liquid dew observed before freezing, or is direct frost deposition still a possible explanation?","id":"dew-fate-and-handoff-q02","kind":"boundary"},{"text":"When water leaves the surface or becomes ice, which linked occurrence should carry its subsequent state?","id":"dew-fate-and-handoff-q03","kind":"boundary"}]}]}]},{"id":"dew-interaction-and-handling","name":"Dew interaction and handling","description":"Connect the dew occurrence to surface-specific consequences and justified interventions.","layers":[{"id":"wet-surface-consequences","name":"Wet-surface consequences","description":"Record observable effects of dew and relevant requirements of the receiving object.","findings":[{"id":"dew-related-surface-effects","name":"Dew-related surface effects","description":"Connect dew coverage and duration to observed effects without presuming damage from wetness alone.","questions":[{"text":"What effects on visibility, traction, electrical operation or biological surface wetness are observed or relevant here?","id":"dew-related-surface-effects-q01","kind":"measurement"},{"text":"Which receiving-object requirement or established threshold determines whether this dew occurrence calls for intervention?","id":"dew-related-surface-effects-q02","kind":"action"}]}]},{"id":"collection-and-condensation-control","name":"Collection and condensation control","description":"Record the purpose, constraints and measured outcome of handling dew or changing its formation conditions.","findings":[{"id":"dew-handling-decision","name":"Dew handling decision","description":"Support observation, collection, preservation, removal or condensation control using the occurrence's measured state.","questions":[{"text":"Should this dew be observed, collected, preserved or removed, and which permitted action serves the stated purpose?","id":"dew-handling-decision-q01","kind":"action"},{"text":"What surface contacts and possible contaminants must accompany any collected-water record before its suitability for use is assessed?","id":"dew-handling-decision-q02","kind":"provenance"},{"text":"What follow-up measurement will establish collection yield, successful drying or renewed condensation after intervention?","id":"dew-handling-decision-q03","kind":"action"}]}]}]}]},"agentConduct":{"may":["Measure and report dew formation for weather, agriculture or building monitoring it is authorized to do.","Warn users when dew makes surfaces such as roads, decks or ladders slippery."],"mustNot":["Claim dew as a safe drinking water source without treatment.","Ignore condensation on electrical equipment before energizing it.","Misreport dew point or condensation in building or storage records."],"requiresHuman":["Energizing outdoor or high-voltage equipment with condensation on it."]},"ethics":{"considerations":["Condensation causes mould in homes, which harms health, especially in poor housing.","Dew harvesting can help water-scarce communities if done safely."],"affectedParties":["Building occupants","Farmers","Workers on wet surfaces"]},"owners":{"steward":"Nobody: a natural occurrence; the owner of a surface answers for hazards on it.","roles":[],"masterSystems":[]},"relations":[{"target":"Q1781205","type":"parent","note":"registry parent class"},{"target":"Q1972098","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.dew","Wikidata: Q41097 (https://www.wikidata.org/wiki/Q41097)"]},"properties":{"applicability":"required","items":["Dew attribution: supported dew occurrence | mixed origin | uncertain origin | other wetting process","Receiving surface: Reference to the receiving object and the specific surface region","Surface temperature: °C, with position, time and measurement uncertainty","Local dew-point temperature: °C, with sampling location, time and measurement or derivation method","Surface temperature minus local dew point: K, with uncertainty propagated from the paired measurements","Liquid morphology: isolated droplets | coalescing droplets | continuous film | mixed","Wetted surface fraction: % of a defined observed surface area","Dew water loading: g/m² of a stated surface area, with attribution and measurement method","Occurrence state: accumulating | persisting | evaporating | draining | freezing | ended | unresolved; concurrent states allowed","Surface wetness duration: minutes or hours, with detection threshold and any gaps or uncertain endpoints"]},"recognition":{"applicability":"required","items":["Droplets of water on grass, leaves, cars or windows in the early morning.","Moisture that forms on surfaces cooler than the air's dew point."]},"capabilities":{"applicability":"required","items":["Inspect surface water and assess whether its origin is dew, mixed wetting or unresolved.","Measure dew coverage, water loading and wetness duration on a defined surface.","Monitor surface temperature and local dew point to assess continued condensation or drying.","Collect dew while recording collection efficiency, surface contact and possible contamination.","Promote or suppress condensation by changing surface exposure or thermal conditions where intervention is permitted.","Remove dew from a sensitive surface and verify whether wetness returns."]},"hazards":{"applicability":"required","items":["Wet surfaces cause slips and falls.","Condensation on electrical equipment can cause short circuits."]},"interfaces":{"applicability":"required","items":["The International Cloud Atlas, issued by the World Meteorological Organization, classifies dew as a hydrometeor."]},"context":{"applicability":"required","items":["Dew forms on exposed surfaces when those surfaces cool sufficiently for water vapor to condense into liquid droplets.","It is encountered on vegetation, vehicles, instruments and buildings, where surface wetness matters for observation, maintenance and moisture assessment."]}},"sources":[{"title":"Wikidata item Q41097: dew","url":"https://www.wikidata.org/wiki/Q41097","note":"identity and sense of the item"},{"title":"Wikipedia: Dew","url":"https://en.wikipedia.org/wiki/Dew","note":"general description of the item"}],"openQuestions":["Does this registry entry include indoor and engineered surface condensation, or should those occurrences belong to a separate condensation model?","What minimum evidence and confidence vocabulary should be required to classify an occurrence as dew when its formation was not directly observed?","Which measurement methods and area conventions should be used for comparable dew loading on leaves, rough surfaces and purpose-built collectors?","How should mixed dew, fog deposition and rain be represented when their individual contributions cannot be measured?","At what point should frozen dew or coalesced runoff become a separate linked occurrence rather than remain part of the dew record?"],"resources":{"spec":"/models/things/publications/thing-q41097/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q41097/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-06T21:43:16Z","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 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}