Figure
Trends in the concentration of BOD in rivers and between 1992 and 2002 in different countries
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European data
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Rights:
- EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
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Owners:
- European Environment Agency (EEA)
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Figure type:
- Graph
Additional information
BOD5 data used for all countries except Estonia where BOD7 data used. Concentrations are expressed as median of annual average concentrations. Data are from representative river stations. Stations that have no designation of type are assumed to be representative and are included in the analysis. Consistent time series trends have been calculated using only stations that have recorded concentrations for each year included in the time series (see Methodology section for further details). Consistent time series then averaged for the 3 time periods 1992 to 1995, 1996 to 1999 and 2000 to 2002.
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Geographic coverage
For references, please go to https://www.eea.europa.eu/data-and-maps/figures/trends-in-the-concentration-of-bod-in-rivers-and-between-1992-and-2002-in-different-countries or scan the QR code.
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