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You are here: Home / Data and maps / Datasets / Waterbase - Rivers / Waterbase-Rivers: Quality

Waterbase-Rivers: Quality

The Quality table contains data on nutrients and organic matter in water measured at WISE-SoE river 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 Pressures data. Each record has three special quality assurance fields. Their meaning is explained in the QA documentation which can be found in the "Additional information" part.
Category
European data
Records
637344
Table definition
QA_outlier Quality assurance field - outlier flag the highlighted data quality issues are explained in the QA documentation tinyint(1) 0
QA_station_err Quality assurance field - stations data quality issues flag the highlighted stations data quality issues are explained in the QA documentation tinyint(1) 0
Year Year year of aggregation period (aggregated data sets), or year in which sample taken (disaggregated data sets), in format YYYY. Year should be no later than that requested in the last Eionet-Water data request. int(4) 0
PeriodLength Period length number of months in aggregation period. int(4) 0
NoOfSubsites Number of subsites int(4) 0
NumberOfSamples Number of samples number of samples in aggregation period. int(4) 0
SampleDepth Sample depth Depth at which sample taken in metres below water surface. numeric(5) 0
LimitofDetection Limit of detection concentration for which there is a desirably small probability (around 5%) that the determinand will not be detected, i.e. there is a 95% probability that the determinand will be detected. numeric(9) 0
LimitofDetermination Limit of determination the smallest concentration that can be distinguished from the analytical blank at a chosen level of statistical confidence (usually 95%). numeric(9) 0
Mean Mean mean concentration value of aggregated data. On aggregation, sample concentration values recorded as below the limit of detection or determination have been replaced with a value equivalent to half the limit of detection or determination. numeric(9) 0
Minimum Minimum minimum concentration value of aggregated data. On aggregation, sample concentration values recorded as below the limit of detection or determination have been replaced with a value equivalent to half the limit of detection or determination. numeric(9) 0
Maximum Maximum maximum concentration value of aggregated data. On aggregation, sample concentration values recorded as below the limit of detection or determination have been replaced with a value equivalent to half the limit of detection or determination. numeric(9) 0
Median Median median concentration value of aggregated data. On aggregation, sample concentration values recorded as below the limit of detection or determination have been replaced with a value equivalent to half the limit of detection or determination. numeric(9) 0
StandardDeviation Standard deviation standard deviation of concentration values of aggregated data. On aggregation, sample concentration values recorded as below the limit of detection or determination have been replaced with a value equivalent to half the limit of detection or determination. numeric(9) 0
Alkalinity Alkalinity Long-term average alkalinity. numeric(5) 0
Conductivity Conductivity Conductivity is the ability of water to lead electricity, and is proportional to the concentration of dissolved salts in the water sample. numeric(9) 0
pH pH pH = -log[H] numeric(5) 0
CountryCode Country code abbreviation of EEA Member or Collaborating country. ISO 3166-alpha-2 code elements. nvarchar(2) -1
WaterbaseID Waterbase ID internally produced, unique identifier used to represent the monitoring station for rivers, lakes, transitional, coastal and marine waters, and water quantity, in the format CountryCode_WaterDataSet_NationalStationID (e.g. AT_RV_001), or the groundwater body, in the format CountryCode_WaterDataSet_EWN-Code (e.g. AT_GW_AT001). nvarchar(50) -1
Determinand Determinand determinand name. nvarchar(50) 0
Unit Unit unit of measurement. nvarchar(20) 0
AggregationPeriod Aggregation period period of aggregation: Annual=aggregated over whole year, Summer=aggregated over summer months, Winter=aggregated over winter months, MMYYYY-MMYYYY or YYYY-YYYY=aggregated between two periods (TCM only). nvarchar(20) 0
CEN_ISO CEN/ISO CEN/ISO code of the methods. nvarchar(100) 0
MethodOfAggregation Method of aggregation Method of aggregation (dimension and summary statistic) nvarchar(100) 0
Remarks Remarks remarks, comments or explanatory notes. nvarchar(255) 0
QA_LRviolations Quality assurance field - numerical list of logical rules violated in record tested logical rules are explanained in QA documentation. nvarchar(50) 0
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European Environment Agency (EEA)
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Phone: +45 3336 7100