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Waterbase - Groundwater

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Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the quantity of Europe's water resources

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Water Water

European data set

Waterbase-Groundwater: Bodies

The Bodies table contains the physical characteristics of the Eionet-Water groundwater bodies. Each groundwater body has been assigned a unique Waterbase identifier (WaterbaseID) which can be used to link the Bodies with their respective Quality and Pressures data.

[+] Show table definition (records:   2450)

GwHorizon Groundwater horizon groundwater horizon in which the groundwater body is mainly situated: 1=top horizon, etc. int(4) 0
GwBodyThickness Groundwater body thickness mean thickness of the groundwater body in m. numeric(5) 0
GwDepthTo Depth to groundwater mean depth to groundwater from the surface to the top of the groundwater body in m. numeric(5) 0
GwBodyArea Groundwater body area Groundwater body area in km2 numeric(9) 0
CountryCode Country code abbreviation of EEA Member or Collaborating country. ISO 3166-alpha-2 code elements. nvarchar(2) 0
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
DataSource Data source source of data: Eionet-Water, ICES. nvarchar(50) 0
WaterDataSet Water data set RV=rivers, LK=lakes, GW=groundwater, TCM=transitional, coastal or marine waters, QA=water quantity. nvarchar(5) 0
WaterbaseName Waterbase name name of the monitoring station for rivers, lakes, transitional, coastal and marine waters and water quantity, or name of the groundwater body. nvarchar(255) 0
AquiferType Aquifer type predominant aquifer type (Porous media, Fractured media, Karstic media). nvarchar(20) 0
Country Country name (ISO 3166-1) official short name in English nvarchar(100) 0
Remarks Remarks remarks, comments or explanatory notes. nvarchar(255) 0
Waterbase-Groundwater: Microsoft Access database (3 tables)

Database contains all data tables. Includes also simple relation structure. Detailed table definitions are displayed in the section with individual tables.

Waterbase-Groundwater: Pressures

The Pressure table contains proxy pressure data within the area of the groundwater body. Each groundwater body has been assigned a unique Waterbase identifier (WaterbaseID) which can be used to link the Pressure data with their respective Bodies and Quality data.

[+] Show table definition (records:   1877)

LanduseArableLand Arable land use arable land use as a percentage of the upstream catchment of the river monitoring station or lake, within the area of the groundwater body, the upstream catchment or drainage basin of the transitional water (TCM data set), or the area within the River Basin District to which the coastal water has been assigned (TCM data set). Land use based on Corine Land Cover category 2.1. numeric(5) 0
AnnualPrecipitation Annual precipitation mean long term average annual precipitation over the groundwater body in mm/year. numeric(5) 0
CountryCode Country code abbreviation of EEA Member or Collaborating country. ISO 3166-alpha-2 code elements. nvarchar(2) 0
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
Remarks Remarks remarks, comments or explanatory notes. nvarchar(255) 0
Waterbase-Groundwater: Quality

The Quality table contains data on nutrients, organic matter and selected pesticides in groundwater bodies. Each groundwater body has been assigned a unique Waterbase identifier (WaterbaseID) which can be used to link the QualityWater data with their respective Bodies and Pressure data. Each record has two special quality assurance fields. They are explained in QA documentation which can be found in "Additional information" part.

[+] Show table definition (records:   24260)

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) -1
NoOfSites Number of sites number of sampling sites investigated in aggregation period. int(4) 0
QA_Outlier Quality assurance field - outlier flag mean value is an outlier for current station and determinand time series: 1=yes, 0=no. bit(1) 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
25Percentile 25th percentile 25th percentile 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
75Percentile 75th percentile 75th percentile 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
CountryCode Country code abbreviation of EEA Member or Collaborating country. ISO 3166-alpha-2 code elements. nvarchar(2) 0
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) -1
Unit Unit unit of measurement. nvarchar(20) 0
AggregationPeriod Period of aggregation 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) -1
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(100) 0

Additional information

Country codes and abbreviations (33 records)

Table contains list of ISO 3166 alpha 2 code elements used in Waterbase-Groundwater version 7.

QA documentation

Quality control documentation briefly presents EEA activities focused on quality of Waterbase-Groundawater dataset and results of these activities. In addition warning is given on the use of certain records for analytical purposes.

Tables metadata

File contains metadata definitions of all data tables.

Additional information

Waterbase contains timely, reliable and policy-relevant data collected from EEA member countries through the Eionet-Water (formerly known as Eurowaternet) process. Eionet-Water selects validated monitoring data from national databases and adds information on the physical characteristics of the water bodies being monitored and on the pressures potentially affecting water quality. The added value of Waterbase is that data collected through the Eionet-Water process are from statistically stratified monitoring stations and groundwater bodies and are comparable at the European level. Waterbase data are primarily used in the production of the EEA's indicator-based factsheets.

Reporting obligations (ROD)

Publish date:
20 Jun 2008
Temporal coverage:
1960-2005
Last upload:
30 Mar 2007
Geographical coverage:

EU15, EU25, Albania, Bosnia and Herzegovina, Bulgaria, Iceland, Liechtenstein, Macedonia, the former Yugoslavian Republic of, Norway, Serbia and Montenegro

 
Tags:
Eurowaternet | geospatial data | groundwater | point data | determinand | EEA owned data sets | ETC/WTR | waterbase | eionet-water
Disclaimer:
Data in Waterbase are sub-samples of national data assembled for the purpose of providing comparable indicators of pressures, state and impact of waters on a Europe-wide scale and the data sets are not intended for assessing compliance with any European Directive or any other legal instrument. Information on the national and sub-national scales should be sought from other sources.
Methodology:
Used tools: Microsoft SQL Server 2005, Microsoft Access, Microsoft Excel Applied procedures: QA checks have been performed on original delivery. Results have been stored in special QA fields. Some erroneous values have been cleaned. Detail are described in QA documentation. MDB database was created by export from SQL Server. Text fields were cleared of trailing spaces. Simple relation structure was added. Whole database was compacted. XLS, CSV files was created from MDB database tables. special features: CSV files - text qualifier is ' " ' character, field separator is ',' character, line breaks were changed to <br /> string.
Units:

Simazine, Lindane, Atrazine: µg/l
DO (Dissolved Oxygen), Ammonium, Nitrite, Nitrate: mg/l

Source:

The European Topic Centre on Water. Version 7, date of delivery (date sent to the Data Service): 20/12/2006.

Owners:
European Environment Agency
Processors:
The European Topic Centre on Water
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