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Water Balance 2022
Download
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Water balance 2022 as Word Document
DOCX-Document (1.2 MB)
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Water Balance 2022 as PDF Document
PDF-Document (905.4 kB)
Maps
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02.13.1 Surface Runoff from Precipitation
PDF-Document (8.0 MB)
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02.13.2 Percolation from Precipitation
PDF-Document (8.0 MB)
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02.13.3 Total Runoff from Precipitation
PDF-Document (8.0 MB)
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02.13.4 Percolation from Precipitation without Consideration for Impervious Coverage
PDF-Document (7.9 MB)
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02.13.5 Evaporation from Precipitation
PDF-Document (7.7 MB)
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02.13.6 Delta W: Deviation of the Water Balance from Natural Conditions
PDF-Document (8.0 MB)
Figures
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Fig. 1: Typical water balance for impervious versus vegetated surfaces (blue arrows: evapotranspiration; yellow arrows: surface runoff; green arrows: infiltration)
JPG-Document (32.7 kB)
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Fig. 2: Flow chart of the ABIMO model (modified from Bach, 1997)
JPG-Document (112.6 kB)
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Fig. 3: Representation of the Bagrov relationship for selected values of the parameter n, and dependence of n on land use and soil type (after Glugla et al., 1995)
JPG-Document (106.7 kB)
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Fig. 4: Comparison of surface runoff modelled by ABIMO and INFOWORKS (KWB 2025)
JPG-Document (51.9 kB)
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Fig. 5: Comparison of surface runoff modelled by ABIMO and wastewater treatment plant data (KWB 2025)
JPG-Document (49.8 kB)
Tables
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Tab. 1: Actual sewer system connection rates of impervious areas, by differentiated area type in Berlin (analysis as of 2012; area types as of 2010; connection rates from 1997 and 2003; includes road areas from the BWB)
XLSX-Document (15.4 kB)
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Tab. 2: Effectiveness parameter n and infiltration factor Fi by pavement class
XLSX-Document (11.6 kB)
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Tab. 3: Long-term average runoff generation including the influence of green roofs (calculated with ABIMO 3.2), as of 2022
XLSX-Document (11.5 kB)
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Tab. 4: Rainwater discharge into the sewer system by catchment area and runoff (long-term mean, as of 2022)
XLSX-Document (14.2 kB)
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Tab. 5: Deviations of the water balance from natural conditions, area-weighted by area type, as of 2022
XLSX-Document (23.4 kB)