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NoOfSamples | Number of samples | number of samples in aggregation period | int(4) | 0 |
Year | Year | year of aggregation period or year in which sample taken, in format YYYY. | int(4) | 0 |
PeriodLength | Period Length | number of months in aggregation period. | int(4) | 0 |
Fraction | Fraction | upper limit of particle size in analysed fraction expressed in µm. Blank if whole sediment has been analysed. | int(4) | 0 |
Unit | Unit | unit of measurement. | nvarchar(30) | 0 |
AggregationPeriod | Aggregation period | period of aggregation: Annual = aggregated over whole year, Summer = aggregated over summer months, Winter = aggregated over winter months, YYYY-YYYY = data aggregated between two years. | nvarchar(20) | 0 |
CASNo | Chemical abstract service number | chemical abstract service number of determinand. | nvarchar(20) | 0 |
Determinand | Determinand | determinand name. | nvarchar(200) | 0 |
DryWetRatio | Dry wet ratio | average ratio of dry weight to wet weight expressed as %. | float(8) | 0 |
SedimentTop | Top of sediment layer | top of analysed sediment layer measured from the sediment surface expressed in cm. Value will be 0 if top of sediment layer is the sediment surface for at least one sample in the aggregate. | float(8) | 0 |
SedimentBottom | Bottom of sediment layer | bottom of analysed sediment layer measured from the sediment surface expressed in cm. | float(8) | 0 |
OrganicCarbon | Organic carbon | average organic carbon content expressed as % of total dry weight. | float(8) | 0 |
Median | Median | median concentration value in aggregation period. | float(8) | 0 |
StandardDeviation | Standard deviation | standard deviation of concentration values in aggregation period. | float(8) | 0 |
SedimentDepth | Depth of sediment | depth of sediment at transitional, coastal or marine water monitoring station expressed in m. | float(8) | 0 |
Mean | Mean | mean concentration value in aggregation period. | float(8) | 0 |
Minimum | Minimum | minimum concentration value in aggregation period. | float(8) | 0 |
Maximum | Maximum | maximum concentration during aggregation period. | float(8) | 0 |
Basis | Basis | basis of aggregate: D = Dry, W = Wet. | varchar(1) | 0 |
CountryCode | Country code | ISO 3166-alpha-2 code elements. | varchar(2) | 0 |
WaterbaseID | Waterbase ID | Internally produced, unique identifier used to represent the transitional, coastal or marine water monitoring station, in the format: CountryCode_WaterDataSet_NationalStationID (e.g. GB_TCM_12345). | varchar(200) | -1 |
GrainType | Grain type | sediment type description if no analysis of grain size: M = Mud, FS = Fine sand, MS = Middle sand, CS = Coarse sand, G = Gravel. | varchar(2) | 0 |
For references, please go to https://www.eea.europa.eu/data-and-maps/data/waterbase-transitional-coastal-and-marine-waters/waterbase-tcm-qualitysediment or scan the QR code.
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