Reference WATERBASE - Lakes: chemical quality data

Data Table

This page was archived on 07 Jul 2014 with reason: Other (New version data-and-maps/data/waterbase-lakes-10 was published)

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

Data and maps

Menu

Category

European data

Records

183977

Table definition

Median	Median concentration over aggregation period		float(8)	0
75Percentile	75th Percentile concentration during aggregation period		float(8)	0
90Percentile	90th Percentile concentration during aggregation period		float(8)	0
StandardDeviation	Standard Deviation of concentration during aggregation period		float(8)	0
10Percentile	10th Percentile concentration during aggregation period		float(8)	0
25Percentile	25th Percentile concentration during aggregation period		float(8)	0
Minimum	Minimum concentration over aggregation period		float(8)	0
Maximum	Maximum concentration over aggregation period		float(8)	0
Mean	Average concentration over aggregation period		float(8)	0
NoOfSamples	Number of samples in aggregation period		int(4)	0
Year	Year of measurements	range of years available: 1931 - 1939, 1949 - 2001	int(4)	0
PeriodLength	Period Length	Number of months in aggregation period	int(4)	0
AggregationPeriod	Period of aggregation	Annual = aggregated over whole year, Summer = aggregated over summer months, Winter = aggregated over winter months	nvarchar(10)	0
WaterbaseID	Unique Waterbase Identifier	internally produced, unique identifier used to represent the monitoring station for lakes	varchar(22)	-1
Determinand	Determinand name	As defined in Metadata section "Unit"	nvarchar(50)	0
Unit	Unit of measurement	As defined in meta data section "Unit"	nvarchar(30)	0