{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://api.waterdata.usgs.gov/ogcapi/v0/collections/channel-measurements/schema", "title": "Channel Measurements", "description": "Channel measurements taken as part of streamflow field measurements.", "type": "object", "properties": { "id": { "type": "string", "title": "Id" }, "monitoring_location_id": { "type": "string", "title": "Monitoring Location Id" }, "field_visit_id": { "type": "string", "title": "Field Visit Id" }, "measurement_number": { "type": "string", "title": "Measurement Number" }, "time": { "type": "string", "title": "Time" }, "channel_name": { "type": "string", "title": "Channel Name" }, "channel_flow": { "type": "string", "title": "Channel Flow" }, "channel_flow_unit": { "type": "string", "title": "Channel Flow Unit" }, "channel_width": { "type": "string", "title": "Channel Width" }, "channel_width_unit": { "type": "string", "title": "Channel Width Unit" }, "channel_area": { "type": "string", "title": "Channel Area" }, "channel_area_unit": { "type": "string", "title": "Channel Area Unit" }, "channel_velocity": { "type": "string", "title": "Channel Velocity" }, "channel_velocity_unit": { "type": "string", "title": "Channel Velocity Unit" }, "channel_location_distance": { "type": "string", "title": "Channel Location Distance" }, "channel_location_distance_unit": { "type": "string", "title": "Channel Location Distance Unit" }, "channel_stability": { "type": "string", "title": "Channel Stability" }, "channel_material": { "type": "string", "title": "Channel Material" }, "channel_evenness": { "type": "string", "title": "Channel Evenness" }, "horizontal_velocity_description": { "type": "string", "title": "Horizontal Velocity Description" }, "vertical_velocity_description": { "type": "string", "title": "Vertical Velocity Description" }, "longitudinal_velocity_description": { "type": "string", "title": "Longitudinal Velocity Description" }, "measurement_type": { "type": "string", "title": "Measurement Type" }, "last_modified": { "type": "string", "title": "Last Modified" }, "channel_measurement_type": { "type": "string", "title": "Channel Measurement Type" }, "channel_location_direction": { "type": "string", "title": "Channel Location Direction" } } }