Search Results
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Groundwater
Groundwater constitutes the largest reservoir of freshwater in the world, accounting for over 97% of all freshwaters available on earth (excluding glaciers and ice caps). The remaining 3% is composed mainly of surface water (lakes, rivers, wetlands) and soil moisture. By incorporation into the Water Framework Directive (WFD), groundwater became part of an integrated water management system.
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Conference brings groundwater issues to the surface
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DBA 2004 - Map 15: Transboundary Groundwater Bodies (3.01 MB)
Important Transboundary Groundwater Bodies Layers: Important transboundary groundwater bodies of different horizons (transboundary areas > 4000 km²) -
DBA 2004 - Map 14: Hydromorphological Alterations (3.19 MB)
Risk of failure to reach the Environmental Objectives - Hydromorphological Alterations Layers: Surface Water Bodies (Water body at risk, Water body possibly at risk, Water body not at risk) -
DBA 2004 - Map 10: Heavily Modified Surface Waters (3.15 MB)
Important Heavily Modified Surface Waters (provisional identification) Layers: Transitional waters, Coastal waters, Heavily modified surface waters (aggregated water bodies according to aggreed... -
DBA 2004 - Map 7: Major Hydraulic Structures (1.35 MB)
Major Hydraulic Structures Layers: Hydraulic structures (mainly dams and weirs), Harbours, Waterways ECE I-IV, Waterways ECE V-VII, Free flowing river stretch, Strongly regulated river stretch... -
Wetlands
The floodplains and wetlands of the Danube basin are uniquely valuable ecosystems in global terms, although few areas are still in their natural or near-natural state.
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Dams & Structures
Since the 16th century, people have been changing the natural course of the rivers in the Danube River Basin, mainly for flood defence, hydropower generation and navigation. All these changes affect the ecological quality of the rivers. Changes in the depth or width of a river typically reduce flow rates, interrupting natural sediment transportation as well as the migration routes of animals.
