Figure

Rural concentration map of the ozone indicator AOT40 for forest in 2008

Figure Created 17 Oct 2011 Published 20 Aug 2012 Last modified 26 Aug 2017

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Topics: Air pollution Biodiversity — Ecosystems

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The gradient of the AOT40f values is similar to those of the AOT40c for crops: relative low in northern Europe, and the highest values observed in the countries around the Mediterranean. The critical level is met in north Scandinavia, Ireland, part of the UK and in the coastal regions of the Netherlands (total forested area with concentrations below the critical level is 22 % of a total area of 1.44 million km2). In south Europe levels may be as high as 4-5 times above the critical level.

https://www.eea.europa.eu/data-and-maps/figures/ozone-aot40-for-forest/o3-aotforest.eps/image_large

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CSI005_AOT40f_UnderpiningData.zip

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Units:: (μg/m³).h
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)
Processors:: Netherlands Environmental Assessment Agency (PBL)
Figure type:: Map

Additional information

AOT40 (crops)

(Accumulated dose of ozone Over a Threshold of 40 ppb)
AOT40 means the sum of the differences between hourly concentrations greater than 80 µg/m³ (= 40 parts per billion) and 80 µg/m³

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Older versions

12 Nov 2009 - Ozone AOT40 for forest, 2004

Geographic coverage

Austria Belgium Bulgaria Cyprus Czechia Denmark Estonia Finland France Germany Greece Hungary Iceland Ireland Italy Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland United Kingdom