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  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-4: Floodwater

    The picture shows a village – situated on the slope of a hill – inundated by floodwater. Some of the lower buildings and some lower floors of houses have been flooded.

    … for the reference period 1961-1990. The MHQ is calculated separately for the hydrological winter half-year (1st November of the previous year to 30th April) and … systematically or regularly. The distribution of floodwater days impacting the hydrological winter and summer seasons has so far not indicated a trend either. The … for the reference period 1961-1990. The MHQ is calculated separately for the hydrological winter half-year (1st November of the previous year to 30th April) and …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-R-2: Land protection dykes without safety deficit – case study

    The picture shows an aerial view of a land protection dyke under construction. In the background, there are agricultural areas and houses as well as standing water visible.

    … thus reflects the current condition of land protection dykes with reference to the hydrological loads imposed by storm surges. At present, 81.7 % of land protection … was additionally categorised as unsafe. The strong decline in 2012 is due to the hydrological safety inspection in 2011 of land protection dykes based on a higher … thus reflects the current condition of land protection dykes with reference to the hydrological loads imposed by storm surges. At present, 81.7 % of land protection …

  • Image from

    Conference speakers

    Gruppenbild: Vortragende der Plastik-Konferenz stehen in einem Kreis vor dem Veranstaltungsgebäude

    … Conference speakers Source: Alfred Hommes / German Institute of Hydrology The following contents contain this medium: Oral presentations Plastics …

  • Cover from 13.08.2024

    Water Monitoring of the Future

    Schematic workflow in the project “Ad-hoc Assessment for Water Monitoring of the Future”.

    … Monitoring of the Future is the NTS Portal, which the German Federal Institute of Hydrology (BfG) is developing on behalf of the UBA in REFOPLAN FKZ 3720 22 201 0. It … Monitoring of the Future is the NTS Portal, which the German Federal Institute of Hydrology (BfG) is developing on behalf of the UBA in REFOPLAN FKZ 3720 22 201 0. It …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-5: Change of flow direction

    The picture shows a river running through a flat landscape consisting of meadows and agricultural areas. The sea is visible in the background.

    … individual extreme events, the time series proceed subject to fluctuations. In the hydrological year of 1989 the gauging station Anklam witnessed – for the first … Baltic Sea coast with waves several metres high causing substantial damage. In the hydrological years of 2019 and 2020, with similar frequency, a backwater situation … individual extreme events, the time series proceed subject to fluctuations. In the hydrological year of 1989 the gauging station Anklam witnessed – for the first …

  • Cover from 23.05.2017

    Programme Plastics 2016

    … European freshwater environments Georg Reifferscheid, German Federal Institute of Hydrology (BfG) 12.00 Lunch break 13.00 Monitoring activities for plastics in rivers … European freshwater environments Georg Reifferscheid, German Federal Institute of Hydrology (BfG) 12.00 Lunch break 13.00 Monitoring activities for plastics in rivers …

  • DzU article from 07.05.2025 | Last changed: 13.05.2025

    Indicator: Using water resources

    A graph shows the water exploitation index for the years 1991 to 2022. Values are available for every three or four years. The index fell almost constantly and has been below the critical value of 20 percent since 2007. This presentation is based on the long-term potential water supply of 176 billion m³.

    … water resources are determined via the water balance by the Federal Institute of Hydrology (BfG). More detailed information: 'Wasserressourcen und ihre Nutzung' (in … water resources are determined via the water balance by the Federal Institute of Hydrology (BfG). More detailed information: 'Wasserressourcen und ihre Nutzung' (in …