Annual average river nitrate concentration (mg/l NO3-N) in 2008, averaged by river basin district

Figure Created 02 Dec 2010 Published 02 Dec 2010 Last modified 29 Nov 2012
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This map shows the mean annual concentrations of Nitrate (NO3) as mg/L NO3-N measured at Eionet-Water River monitoring stations during 2008. All data are annual means. For most countries these are based on measurements over the whole year, whereas some countries have samples only from the growing season (due to ice cover in winter)

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Last upload:
02 Dec 2010
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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 (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
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European Environment Agency (EEA)
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Map

Additional information

For countries that report only total oxidised nitrogen (TON = NO3 NO2) and not nitrate alone, the map shows the TON-N data, taken as an estimate for NO3. In most rivers TON-N will be almost the same as NO3-N. Note that these data are not yet quality-checked. Certain values and colour codes might therefore be incorrect.

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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/annual-average-river-nitrate-concentration or scan the QR code.

PDF generated on 28 Jun 2017, 04:44 PM

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