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External Data Spec

Output data from WaterGAP - Water availability and water withdrawals, water exploitation index

External Data Spec Published 05 Jul 2010
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Use of freshwater resources - outlook from EEA Definition: The water exploitation index (WEI) is the annual total abstraction of freshwater divided by the annual total renewable freshwater resource, expressed in percentage terms. This indicator can be computed at the country level or, preferably, by river basin. A region is characterized as being under water stress, if it the water exploitation index exceeds 20%, and under severe water stress if it exceeds 40%. This indicator combines data on water availability and water withdrawals, and has thus also been referred to as withdrawals-to-availability index. Alternatively, the underlying data can be used (i.e. data on water availability and water withdrawals for domestic use, industrial use, an agricultural use, respectively) to indicate seperately: The water availability index is defined as the average freshwater resources available per person in a country or river basins. Regions can be labelled as water scarce if this value drops below 1000 m3 per person - however as the indicator uses population as a proxy for water uses it is less accurate. Changes in annual water availability indicates the change in freshwater resources in a country or river basin over a given time period, primarily due to changes in upstream water use or climate change. Changes in annual water abstraction indicates the change in water use in a country or river basin over a given time period. Changes can be presented separately for different socio-economic activities, i.e. water for domestic use, for use in manufacturing and electricity production, and for agricultural purposes. Model used: WaterGAP Ownership: European Environment Agency Temporal coverage: 2000 - 2030 Geographical coverage: Austria, Belgium, Denmark, Cyprus, Czech republic, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lichtenshtain, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Spain, Sweden, Swetzerland, Slovakia, Slovenia, United Kingdom

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For references, please go to https://www.eea.europa.eu/data-and-maps/data/external/output-data-from-watergap-water or scan the QR code.

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