{"schemaVersion":"1.0","id":"thames-right-now","dataset":"live-river","title":"What the Thames is doing","description":"The river is tidal to Teddington, and it moves several metres twice a day.","methodology":"Real-time level gauges within 20km of central London from the Environment Agency flood-monitoring API. Each gauge is compared with its own previous reading to give a direction. Levels are relative to each station's own datum, so they are comparable over time at one gauge rather than between gauges.","category":"environment","categoryLabel":"Environment","cadence":"live","placeholder":false,"landingPage":"https://londongraph.com/g/thames-right-now","markdown":"https://londongraph.com/g/thames-right-now/index.html.md","source":{"name":"Environment Agency","url":"https://environment.data.gov.uk/flood-monitoring/doc/reference","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"observations":null,"areaStatistics":null,"visualizations":[{"id":"overview","label":"Map","description":"The river is tidal to Teddington, and it moves several metres twice a day.","url":"https://londongraph.com/g/thames-right-now","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"gauge-ranking","label":"Gauge values","description":"Rank the latest levels while keeping each station's local datum explicit.","url":"https://londongraph.com/g/thames-right-now?view=gauge-ranking","renderer":"live-summary","default":false,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":"Levels are comparable over time at one gauge, not as absolute height between gauges."}],"availability":"metadata-only","note":"Live values are intentionally served by rate-limited application feeds, not this crawlable record."}