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Water Exploitation Index+ 2015 and water consumption per capita (m3/year)

Figure Created 07 Aug 2020 Published 12 Aug 2020 Last modified 12 Aug 2020
1 min read
The water exploitation index plus (WEI+) aims to illustrate pressure on renewable water resources of a defined territory (river basin, sub-basin etc.) in a given period (e.g. seasonal, annual) as a consequence of water use for human activities. Values above 20 % indicate that water resources are under stress, and above 40 % indicate severe stress and a clearly unsustainable use of freshwater resources (Raskin et al., 1997). see https://www.eea.europa.eu/data-and-maps/indicators/use-of-freshwater-resources-2/assessment-3

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m3/year; WEI+

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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 (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
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Additional information

 WEI+ is the total use of water as % of renewable freshwater resources. Values above 20 % indicate that water resources are under stress, and above 40 % indicate severe stress. Water consumption values available for 335 Urban Audit cities (total annual use of water in m3 per capita) is provided for various years (2004-2012), depending on data availability for a given city. See the Urban Adaptation Map Viewer for details.
Source: Author’s compilation based on (EEA, 2020e) and Eurostat water consumption statistics.

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Based on data

Data The European Pollutant Release and Transfer Register (E-PRTR), Member States reporting under Article 7 of Regulation (EC) No 166/2006 The European Pollutant Release and Transfer Register (E-PRTR) is a web-based register established by Regulation (EC) No 166/2006 which implements the UNECE PRTR Protocol, signed in May 2003 in Kiev.
External Data Spec LISFLOOD. Distributed Water Balance and Flood Simulation Model (Dataset URL is not available)
Data European catchments and Rivers network system (Ecrins) Version 1, Jun. 2012 - Ecrins is acronym for European catchments and Rivers network system. It is a geographical information system of the European hydrographical systems with a full topological information. Ecrins is a composite system made from the CCM developed by the JRC, Corine land Cover, WFD reporting elements, etc. It is organised from a layer of 181,071 “functional elementary catchments (FECs)” which average size is ~62 km2, fully connected with explicit identifier (ID) relationships and upstream area. Catchments are grouped as sub-basins, river basin districts (actual and functional to meet hydrographical continuity). The catchments are as well organised according to their sea shore of emptying to meet Marine Strategy delineations. Catchments are drained by 1,348,163 river segments, sorted as “main drains” (connecting together the FECs) and secondary drains (internal to a FEC). river segments mimic the natural drainage, however fulfilling the topological constraint of “0,1 or 2 upstreams, single or 0 downstream”. Each segment is populated with distance to the sea, to ease further processing. They are connected to elementary catchments and nodes documented with altitude. Segments are as well documented with a “dummy river code”, fully populated that earmark each segment with the most distant to the outlet in each drainage basin and, everywhere this has been possible, with a “true river” ID based on river naming. A layer of lakes and dams has been elaborated. Lakes polygons (70,847) are taken from Corine Land cover , WFD Art. 13 and in some cases, from CCM “water layer”. Lakes inlets and outlets are set with the segment ID and where relevant, the dams making the lake is documented. All lakes which depths and volume was found have been updated. Version 1.0 here presented still contain some topological errors (e.g. incorrect segment branching), because inaccurate geometry. They are noted and a correction procedure is underway.
External Data Spec E-OBS gridded dataset E-OBS gridded version of the ECA dataset (netCDF) with daily temperature, precipitation and pressure fields The ECA dataset contains series of daily observations at meteorological stations throughout Europe and the Mediterranean. Temperature data from E-OBS (KNMI) the ENSEMBLE FP6 project    
Data Water statistics (Eurostat) Joint Questionnaire OECD/Eurostat. The questionnaire is based on clearly defined tables including definitions and formats requested. It includes the whole water cycle from abstraction to use and then discharge, and additional tables on quality of some rivers and lakes only used by OECD. Quantities of water abstracted, and used, capacity of waste water treatment plants, sludges produced, and emissions of chemicals, of which heavy metals from the sources industry, agriculture and human settlements. It consists of data and textual information (footnotes).

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For references, please go to https://www.eea.europa.eu/data-and-maps/figures/water-exploitation-index-and-water or scan the QR code.

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