Dams with reservoirs on rivers in Europe

Figure Created 23 Nov 2015 Published 26 Jan 2016 Last modified 26 Jan 2016
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Dams on larger rivers in Europe. Dams dataset compiles dams included in ECRINS spatial database complemanted by dams located in Western Balkans region.

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23 Nov 2015
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Dams dataset compiles dams included in ECRINS spatial database complemanted by dams located in Western Balkans region (added by TC Vode). River dataset is composed by ECRINS "large" rivers (see additional information). Dams have been filtered by the following procedure: 1. Attributive linking with river (selecting dams by linking river dataset (river name) with dam dataset (rivers.RiverName*=dams.ic_river)).  2.Spatial linking (dams which are located within 500 m river buffer belt are selected).

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Meters.

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Additional information

Dams on larger rivers in Europe. Large rivers were defined as rivers with catchments larger than 1000 km2 with direct outflow to the sea and rivers and their tributaries with catchments larger than 10 000km2 with no direct outflow to the sea (tributaries).

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Based on data

European catchments and Rivers network system (Ecrins) 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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