Areas connected to the sewerage system generate surface runoff. It depends on buildings and the impervious covers of non-built-up areas. The highest (dark blue) values mainly occur in the city centre.
Conception:
Referat III F (Urban and Environmental Information System (ISU), Federal Institution for Hydrography in Berlin
Data Processing and Map Production:
III F 1, Joseph Gerstenberg using ISU Berlin and the program ABIMO from the Federal Institution for Hydrography in Berlin