Content

Groundwater Levels of the Main Aquifer and Panke Valley Aquifer 2020

Figures / Tables

Figures

Fig. 1: Location of the waterworks which supply Berlin with drinking water, as of May 2020

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Fig. 2: Types of appearance of subsurface water

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Fig. 3: Hydrogeological terms

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Fig. 4a: Groundwater infiltrates into the surface waters (effluent conditions)

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Fig. 4b: Bank-filtered water caused by flooding: Surface water infiltrates into the groundwater (influent conditions)

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Fig. 4c: Bank-filtered water caused by discharge of groundwater: due to the drop in the groundwater caused by wells, surface water infiltrates into the groundwater

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Fig. 5: Morphological map of Berlin

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Fig. 6: Geological map of Berlin

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Fig. 7: Schematic hydrogeological cross-section of Berlin, from south to north

GIF-Document (67.1 kB) Image: from Limberg 2013

Fig. 8: The unconfined Panke Valley Aquifer (Aquifer 1) in the north-western area of the Barnim Plateau is situated above the Main Aquifer (Aquifer 2), which is confined in this area

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Fig. 9: Hydrograph of the groundwater level at an observation well in the borough of Mitte, since 1870. The highest groundwater level (HGW) was measured here on June 1, 1876. Since 1905, the groundwater level has been highly affected by numerous drawdowns

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Fig. 10: Deviation of the groundwater levels from the 20-year median from a total of characteristic observation wells in different hydrogeological sub-areas of Berlin on the reference date of May 15th in the years 2000 to 2020

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Fig. 11: Location and number of characteristic observation wells in the different hydrogeological areas

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Fig. 12: Monthly deviations from the 20-year median from a total of characteristic groundwater measuring points for the years 2018 (yellow), 2019 (light red) and 2020 (dark red) for the hydrogeological areas Warsaw-Berlin glacial valley (a), Barnim plateau (b), Teltow plateau (c) and Nauen Plate/Grunewald (d).

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Fig. 13: Development of the raw water discharge since 2000

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Fig. 14: Monthly precipitation between May 2019 and May 2020 at the climate station “Berlin-Tegel”, compared with the long-term mean, 1981 through 2010

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Tables

Tab. 1: Input data for the interpolation with the Kriging method

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