Water exploitation index (WEI) — in late 1980s/early 1990s (WEI‑90) compared to latest years available (1998 to 2007)
Figure
Created 24 Feb 2011
Published 24 Feb 2011
Last modified 24 May 2017
1
min read
Topics:
Water and marine environment
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WEI: annual total water abstraction as a percentage of available long-term freshwater resources.
European data
Metadata
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Last upload:
- 24 Feb 2011
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Temporal coverage:
- 1998-2007
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Tags:
- water , soer2010 , thematic assessments , natural resources , climate change , ecosystem services , households , water resources , waste , synthesis
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Geographic coverage:
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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
The warning threshold, which distinguishes a non-stressed from a water scarce region, is around 20 %, with severe scarcity occurring where the WEI exceeds 40 %.
WEI (water exploitation index) divides the total water abstraction by the long-term annual average resource. However, this indicator does not fully reflect the level of stress upon local water resources: this is primarily because the WEI is based on annual data and cannot, therefore, account for seasonal variations in water availability and abstraction.
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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/water-exploitation-index-wei-4 or scan the QR code.
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