Annual number of observed oil slicks from aerial surveillance
There was a change in the methodology used in the North Sea between 1996 and 1997, probably accounting for the increased number of observed slicks between 1996 and 1997.
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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