Figure

Trends in the concentration of BOD in rivers and between 1992 and 2002 in different countries

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 26 Aug 2017

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Topics: Water and marine environment

This page was archived on 26 Aug 2017 with reason: A new version has been published

Number of river monitoring stations included in analysis noted in brackets

https://eea.europa.eu./data-and-maps/figures/trends-in-the-concentration-of-bod-in-rivers-and-between-1992-and-2002-in-different-countries/csi-19-figure-2_bod.eps/image_large

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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).
Owners:: European Environment Agency (EEA)
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.