A GWB is defined in WFD Art. 2 as a distinct volume of groundwater within an aquifer or aquifers, whereas an aquifer is defined as a geological layer with significant groundwater flow. This definition of a GWB allows a wide scope of interpretations.
The submission of GWB data to the Commission by the EU Member States was accomplished via the Reportnet platform, as a part of the dataflow for WFD. Art. 13 reporting. GWB data includes spatial data as GIS polygons and GWB characteristics in an XML schema. GWBs are registered to so-called horizons, which represent distinct vertical layers of groundwater resources.
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please refer to the file "GW_reference_layer_status_v3.ETCICM.pdf"
European Topic Centre on Inland, Coastal and Marine waters (ETC/ICM) in particular by Federal Institute for Geosciences and Natural Resources based on country deliveries.
To save electricity, before you leave don’t forget to unplug as many appliances as is possible. If the appliances are still plugged in, they continue to use up energy. even if you switch them off.
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