{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://poseidat.org/schema/core/measurement/subsurface-sample.json",
  "title": "Subsurface sample value",
  "description": "A subsurface sample measurement",
  "properties": {
    "conductivity": {
      "description": "The conductivity of the sample measurement in Siemens per meter",
      "type": "number"
    },
    "depth": {
      "description": "The depth of the sample measurement in meters",
      "type": "number"
    },
    "latitude": {
      "description": "The latitude of the sample measurement",
      "type": "number"
    },
    "longitude": {
      "description": "The longitude of the sample measurement",
      "type": "number"
    },
    "salinity": {
      "description": "The salinity of the sample measurement in Practical Salinity Units",
      "type": "number"
    },
    "temp": {
      "description": "The temperature of the sample measurement in degrees celsius",
      "type": "number"
    },
    "time": {
      "description": "The date and time of the sample measurement as an RFC string",
      "format": "date-time",
      "type": "string"
    }
  },
  "required": [
    "conductivity",
    "depth",
    "latitude",
    "longitude",
    "salinity",
    "temp",
    "time"
  ],
  "type": "object",
  "additionalProperties": false
}