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GIS Map Application

Water exploitation index for river basin districts

GIS Map Application Published 21 Mar 2016 Last modified 17 Jul 2017
This is an old version, kept for reference only.

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This page was archived on 21 Mar 2017 with reason: Other (New version data-and-maps/explore-interactive-maps/water-exploitation-index-for-river-1 was published)
This interactive map allows users to explore changes over time in water abstraction by source and water use by sector at sub-basin or river basin scale. The water exploitation index has been calculated as the quarterly average per river basin district, for the years 2002-2012, as defined in the European catchments and rivers network system (ECRINS). The ECRINS delineation of river basin districts differs from that defined by Member States under the Water Framework Directive, particularly for transboundary river basin districts.

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Based on data

External Data Spec LISFLOOD. Distributed Water Balance and Flood Simulation Model
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    

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Static figures

Figure Water Exploitation Index plus (WEI+) for summer and Urban Morphological Zones (UMZ) The water exploitation index plus (WEI+) compares water use against renewable water resources. The map illustrates the relation between Urban Morphological Zone and the WEI+ at the sub-basin scale for summer months (July, August and September) defined in calendar year.
Figure Water exploitation index plus for river basin districts The water exploitation index plus has been calculated as a multi-annual average per river basin district, for the years 2002-2012, as defined in ECRINS. The ECRINS delineation of river basin districts differs from those defined by Member States under the Water Framework Directive, particularly for transboundary river basin districts. Click on the "downloads and more info" button below to see the dynamic map with time slider, which provides information on water abstraction by source and water use by sector at sub-basin or river basin scale.

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

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