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)

Chemicals table - this table contains data on chemical quality measured at the EUROWATERNET lake monitoring stations. Chemical and Station data can be linked using the 2 fields: Cry_cd and Stn_id

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European data

Records

171177

Table definition

Min	Minimum concentration over aggregation period		float(8)	0
No_samples	Number of samples in aggregation period		int(4)	0
P90	90th Percentile concentration over aggregation period		float(8)	0
Country	Country name (ISO 3166-1)	official short name in English	nvarchar(100)	0
Remarks	Remarks		varchar(255)	0
Mean	Average concentration over aggregation period		float(8)	0
Std	Standard Deviation of concentration over aggregation period		float(8)	0
P10	10th Percentile concentration over aggregation period		float(8)	0
Stn_id	National Station ID: Used to link data provided by the participating countries and Waterbase		varchar(20)	-1
Limnion			varchar(4)	0
P75	75th Percentile concentration over aggregation period		float(8)	0
Determinand_nm	Determinand name		varchar(100)	0
Max	Maximum concentration over the aggregation period		float(8)	0
Cry_cd	International Country Code (ISO 3166-1-Alpha-2 code elements)		varchar(2)	-1
Determinand	Determinand code		varchar(10)	0
Period	Period of aggregation of data	Annual = aggregated over the whole year, Summer = aggregated over the summer months; Winter = aggregated over winter months	varchar(50)	0
Year	Year of measurements	Range: 1931 - 1939, 1949 - 2001	int(4)	0
P25	25th Percentile concentration over aggregation period		float(8)	0
Units	Unit of measurement	As defined in Metadata section	varchar(10)	0
Median	Median concentration over aggregation period		float(8)	0
Months	Number of months in period of aggregation		int(4)	0