River basin districts with a WEI+ greater than 20 % in summer

Data Visualization Created 23 Nov 2016 Published 22 Mar 2017 Last modified 26 Apr 2018
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Data sources

E-OBS gridded dataset provided by Royal Netherlands Meteorological Institute (KNMI)
European catchments and Rivers network system (Ecrins) provided by European Environment Agency (EEA)
Waterbase - Water Quantity provided by European Environment Agency (EEA)
Waterbase - UWWTD: Urban Waste Water Treatment Directive – reported data provided by European Environment Agency (EEA)
The European Pollutant Release and Transfer Register (E-PRTR), Member States reporting under Article 7 of Regulation (EC) No 166/2006 provided by European Environment Agency (EEA)
LISFLOOD. Distributed Water Balance and Flood Simulation Model provided by Joint Research Centre (JRC)
Water statistics provided by Statistical Office of the European Union (Eurostat)

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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.
Waterbase - Water Quantity Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the quantity of Europe's water resources
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.

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For references, please go to https://www.eea.europa.eu/data-and-maps/daviz/averaged-water-exploitation-index-at-1 or scan the QR code.

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