WaterQualityObserved.md

WaterQualityObserved

This entity contains a harmonised description of the water quality at a particular location and time. This entity is primarily associated with the vertical segments of agricultural and environment and related IoT applications.

<WaterQualityObserved><Generic Attributes>

Attribute Name	Attribute Type	Description	Mandatory /Optional	May be Null
id	Text	Unique id of this instance of this entity.	M	N
type	Text	Must be equal to "WaterQualityObserved".	M	N
dateCreated	DateTime	Entity creation timestamp.	M	N
dateModified	DateTime	Timestamp of the last modification of the entity.	M	Y
source	Text	A sequence of characters giving the source of the entity data as a URL.	M	Y
dataProvider	Text	A sequence of characters identifying the originator of the harmonised entity.	M	Y

<WaterQualityObserved><Entity Specific Attributes>

Attribute Name	Attribute Type	Description	Mandatory /Optional	May be Null
refDevice	Array of Reference	A reference to the unique entity Ids of the devices that originated this observation data.	M	N
location	geo:json	The geo:json encoded map location, that is related to this observation.	M	N
dateObserved	DateTime	The date and time of this observation in ISO8601 UTCformat.	M	N
measurand	Array of Text	An array containing a JSON encoded sequence of characters of the measurand observed. measurand, valueObserved, unitcode, description. Unitcode defined as in schema.org/QuantitativeValue The unit of measurement given using the UN/CEFACT Common Code (3 characters) – the unitcode. http://wiki.goodrelations-vocabulary.org/Documentation/UN/CEFACT_Common_Codes see example below: "O2, 50,M1,The level of free non-compound oxygen present" Possible examples of typical measurands, descriptions and unitcodes are presented below: O2. The level of free non-compound oxygen present. (M1) CO. The level of free non-compound carbon monoxide present. (M1) CO2. The level of free non-compound carbon dioxide present. (M1) Hg. The level of compound mercury present. (M1) Chla. Concentration of chlorophyll A. (H29) PE. Concentration of pigment phycoerythrin which can be measured to estimate cyanobacteria concentrations specifically.(H29) PC. Concentration of pigment phycocyanin which can be measured to estimate cyanobacteria concentrations specifically. (H29) NH4. Concentration of ammonium. (M1) NH3. Concentration of ammonia. (M1) Cl-. Concentration of chlorides. (M1) NO3-. Concentration of nitrates. (M1) etc.	O	Y
depth	ExtQuantitativeValue (Number)	Depth where the observation was taken. (m) encoded as a ExtQuantitativeValue.	O	Y
pressure	ExtQuantitativeValue (Number)	Hydrostatic pressure where the observation was taken. (Pa) encoded as a ExtQuantitativeValue.	O	Y
conductivity	ExtQuantitativeValue (Number)	Electrical conductivity. (S/m) encoded as a ExtQuantitativeValue.	O	Y
conductance	ExtQuantitativeValue (Number)	Specific conductivity / 25 ºC /. (S/m) encoded as a ExtQuantitativeValue.	O	Y
temperature	ExtQuantitativeValue (Number)	The temperature expressed in degrees Celsius encoded as a ExtQuantitativeValue.	O	Y
tss	ExtQuantitativeValue (Number)r	Total suspended solids. (M1) encoded as a ExtQuantitativeValue	O	Y
tds	ExtQuantitativeValue (Number)	Total dissolved solids. (M1) encoded as a ExtQuantitativeValue.	O	Y
turbidity	ExtQuantitativeValue (Number)	Amount of light scattered by particles in the water column. (FTU). encoded as a ExtQuantitativeValue.	O	Y
salinity	ExtQuantitativeValue (Number)	Derived from the conductivity measurement. (parts per thousand, ppt) encoded as a ExtQuantitativeValue.	O	Y
pH	ExtQuantitativeValue (Number)	pH measurement (typically a number between 0 and 14) encoded as a ExtQuantitativeValue.	O	Y
orp	ExtQuantitativeValue (Number)	Oxidation-Reduction potential (mV) encoded as a ExtQuantitativeValue.	O	Y
cdom	ExtQuantitativeValue (Number)	Color dissolved organic matter (RFU) encoded as a ExtQuantitativeValue.	O	Y

WaterQualityObserved JSON

The JSON code can be downloaded from:

https://gist.github.com/GSMADeveloper/5252d6628d7a06472c7e7fc366b7ee23

{
  "id": "72a30ca8-888e-49a2-8d8d-a5bebc19e98b",
  "type": "WaterQualityObserved",
  "dateCreated": {
    "value": "2016-08-08T10:18:16Z",
    "type": "DateTime"
  },
  "dateModified": {
    "value": "2016-08-08T10:18:16Z",
    "type": "DateTime"
  },
  "source": {
    "value": "http://www.example.com",
    "type": "URL"
  },
  "dataProvider": {
    "value": "OperatorA",
    "type": "Text"
  },
  "refDevice": [
    "2033a7c7-d31b-48e7-91c2-014dc426c29e"
  ],
  "location": {
    "value": {
      "type": "Point",
      "coordinates": [
        -104.99404,
        39.75621
      ]
    },
    "type": "geo:json"
  },
  "dateObserved": {
    "value": "2016-08-16T10:18:16Z",
    "type": "DateTime"
  },
  "measurand": [
    "O2, 50, M1, Oxygen concentration"
  ],
  "depth": {
    "value": {
      "value": 4,
      "unitCode": "MTR"
    },
    "type": "ExtQuantitativeValue"
  },
  "pressure": {
    "value": {
      "value": 10202,
      "unitCode": "PAL"
    },
    "type": "ExtQuantitativeValue"
  },
  "conductivity": {
    "value": {
      "value": 10,
      "unitCode": "D10"
    },
    "type": "ExtQuantitativeValue"
  },
  "conductance": {
    "value": {
      "value": 25,
      "unitCode": "D10"
    },
    "type": "ExtQuantitativeValue"
  },
  "temperature": {
    "value": {
      "value": 15,
      "unitCode": "CEL"
    },
    "type": "ExtQuantitativeValue"
  },
  "tss": {
    "value": {
      "value": 200,
      "unitCode": "M1"
    },
    "type": "ExtQuantitativeValue"
  },
  "tds": {
    "value": {
      "value": 150,
      "unitCode": "M1"
    },
    "type": "ExtQuantitativeValue"
  },
  "turbidity": {
    "value": {
      "value": 343,
      "unitCode": "FTU"
    },
    "type": "ExtQuantitativeValue"
  },
  "salinity": {
    "value": {
      "value": 220
    },
    "type": "ExtQuantitativeValue"
  },
  "pH": {
    "value": {
      "value": 5
    },
    "type": "ExtQuantitativeValue"
  },
  "orp": {
    "value": {
      "value": 225,
      "unitCode": "2Z"
    },
    "type": "ExtQuantitativeValue"
  },
  "cdom": {
    "value": {
      "value": 22,
      "unitCode": "RFU"
    },
    "type": "ExtQuantitativeValue"
  }
}