Reference WATERBASE - Rivers: chemical QualityWater data

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The QualityWater table contains data on nutrients and organic matter measured at the EUROWATERNET river monitoring stations. Each station has been assigned a unique WATERBASE identifier (WaterbaseID) which can be used to link the QualityWater data with their respective Stations and Pressure data.

Category

European data

Records

428352

Table definition

90Percentile	90Percentile	90th percentile concentration during aggregation period	float(8)	0
Median	Median	Median concentration during aggregation period	float(8)	0
StandardDeviation	StandardDeviation		float(8)	0
10Percentile	10Percentile	10th percentile concentration during aggregation period	float(8)	0
Mean	Mean	Average concentration during aggregation period	float(8)	0
Minimum	Minimum	Minimum concentration during aggregation period	float(8)	0
Maximum	Maximum	Maximum concentration during aggregation period	float(8)	0
Year	Year	Year of aggregation period in format YYYY	int(4)	0
PeriodLength	PeriodLength	Number of months in aggregation period	int(4)	0
NoOfSamples	NoOfSamples	Number of samples in aggregation period	int(4)	0
AggregationPeriod	AggregationPeriod	Period of aggregation: Annual = aggregated over whole year, Summer = aggregated over summer months, Winter = aggregated over winter months	nvarchar(10)	0
CountryCode	CountryCode	ISO 3166-alpha-2 code elements	nvarchar(2)	0
Determinand	Determinand	Determinand name as defined in meta data section "Unit"	nvarchar(30)	0
Unit	Unit	Unit of measurement as defined in meta data section "Unit"	nvarchar(30)	0
WaterbaseID	WaterbaseID	Internally produced, unique identifier used to represent the monitoring stations for rivers or lakes or the groundwater bodies	varchar(20)	-1