{
    "$schema": "http://json-schema.org/schema#",
    "$schemaVersion": "0.0.1",
    "$id": "https://smart-data-models.github.io/dataModel.Environment/SeaConditions/schema.json",
    "title": "Sea Conditions schema",
    "description": "This entity contains a harmonised geographic description of sea conditions",
    "type": "object",
    "allOf": [
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
        },
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
        },
        {
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "SeaConditions"
                    ],
                    "description": "Property. NGSI-LD Entity Type. It has to be SeaConditions"
                },
                "waveLevel": {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 9,
                    "description": "Property. Model:'https://schema.org/Number'. Units:'Douglas sea scale'. It indicates the height of the waves and also measures the swell of the sea."
                },
                "surfaceTemperature": {
                    "type": "number",
                    "description": "Property. Model:'https://schema.org/Number'. Units:'Celsius degrees'. Sea surface temperature."
                },
                "waveHeight": {
                    "type": "number",
                    "description": "Property. Model:'https://schema.org/Number'. Units:'Meters'. Height of the waves."
                },
                "wavePeriod": {
                    "type": "number",
                    "description": "Property. Model:'https://schema.org/Number'. Units:'Seconds'. Indicates the time between the crests of a wave."
                },
                "pH": {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 14,
                    "description": "Property. Model:'https://schema.org/Number'. Acidity or basicity of an aqueous solution."
                },
                "salinity": {
                    "type": "number",
                    "minimum": 0,
                    "description": "Property. Model:'https://schema.org/Number'. Units:'Parts per thousand'. Amount of salts dissolved in water."
                },
                "dateObserved": {
                    "type": "string",
                    "format": "date-time",
                    "description": "Property. Model:'https://schema.org/DateTime'. The date and time of this observation in ISO8601 UTC format."
                }
            }
        }
    ],
    "required": [
        "id",
        "type"
    ]
}