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You are here: Home / Data and maps / Datasets / Waterbase - Transitional, coastal and marine waters / Waterbase - TCM: QualityHSWater

Waterbase - TCM: QualityHSWater

The QualityHSWater table contains aggregated data on hazardous substances in seawater, measured at Eionet-Water transitional, coastal or marine water monitoring stations, provided by national sources or Marine Conventions. Each station has been assigned a unique Waterbase identifier (WaterbaseID) which can be used to link the Quality data with their respective Stations and Pressures data.
Category
European data
Records
365
Table definition
Year Year year of aggregation period, or year in which sample taken, in format YYYY. int(4) -1
PeriodLength Period Length number of months in aggregation period. int(4) 0
NoOfObservations Number of observations number of observation dates within aggregation period (for TwoStageMean aggregation), or number of samples. int(4) 0
CaSNo Chemical Abstract Service Number Chemical Abstract Service Number of determinand. nvarchar(20) 0
Unit Unit unit of measurement. nvarchar(30) 0
AggregationMethod Aggregation method description of aggregation process: MeanOfMinimum = Minimum value of all samples on same date and in same depth profile calculated then average of minima calculated by year, TwoStageMean = Average of all samples on same date and in same depth profile calculated then average of averages calculated by year. nvarchar(20) -1
WaterbaseID WaterbaseID internally produced, unique identifier used to represent the monitoring station for rivers, lakes, transitional, coastal and marine waters and water quantity, or groundwater body, in the format CountryCode_WaterDataSet_NationalStationID (e.g. GB_RV_12345). nvarchar(200) -1
Determinand Determinand determinand name. nvarchar(200) -1
AggregationPeriod Aggregation period period of aggregation: Annual = aggregated over whole year, Summer = aggregated over summer months, Winter = aggregated over winter months, YYYY-YYYY = aggregated data over a time period. nvarchar(20) 0
SalinityMean Mean salinity mean salinity measured at transitional, coastal or marine water monitoring station expressed in practical salinity units (psu). float(8) 0
MinimumDepth Minimum depth minimum depth limit for samples included in aggregate expressed in m. float(8) 0
MaximumDepth Maximum depth maximum depth limit for samples included in aggregate expressed in m. float(8) 0
Mean Mean mean concentration in aggregation period. float(8) 0
Maximum Maximum maximum concentration during aggregation period. float(8) 0
Minimum Minimum Minimum concentration during aggregation period. float(8) 0
CountryCode Country code ISO 3166-alpha-2 code elements. varchar(2) 0
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European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100