Skip to main content Skip to main menu Skip to footer

Search

Help

1 - 12 of 116
  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-1: Terrestrially stored water

    The picture shows a section of a satellite photograph of the Earth. In the upper margin of the photograph is a radiant sun. On the Earth, clouds and a deep-blue ocean are visible.

    … has decreased significantly in Germany. In particular, the drought period from 2018 to 2020 shows distinctly negative deviations from the mean of the entire time … by the satellite mission GRACE (Gravity Recovery and Climate Experiment, 2002–2017) and its follow-up mission GRACE-FO (GRACE Follow-On, 2018–2023). These … there are gaps in the data for 2018 as the first GRACE Mission ended in 2017 while GRACE FO was not launched until May 2018. The data coverage during the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    FW-I-8: Forest fire hazards and forest fires

    The picture shows an extensive forest fire. Greyish-white smoke is rising from the seat of the fire. A burnt forest area is visible in the background.

    … FW-I-8: Forest fire hazards and forest fires The dry-hot weather pattern in 2018 and 2019 gave rise to several forest fires. Source: Rico Löb / stock.adobe.com … update on 28.11.2023 FW-I-8: Forest fire hazards and forest fires Between 1991 and 2017 the areas affected by forest fires declined significantly. Weather-related … strong dry wind, such extensive fires spread with particular rapidity. Up until 2017, according to Federal forest fire statistics, both the number of forest fires …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-I-3 + 4: Forest condition and dieback rate

    … to Climate Change last update on 28.11.2023 FW-I-3: Forest condition Until 2017 there were no signs that the condition of forests was deteriorating … to climate-related changes. This has changed since the heat and drought years of 2018 to 2020. With the exception of oak the mean crown defoliation shows a rising … seven years, whereas these days the frequency is every two or three years. Up until 2017 there had been no indications that the condition of forests was deteriorating …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    WW-I-10: Water temperature of watercourses

    The picture shows a shallow, slow-flowing watercourse in sunny weather under a cloudless sky. Through the clear, reddish-brown shimmering water, the stony bed of the river is visible; some of the stones in the foreground project beyond the surface of the water. The banks are lined by mixed woodlands.

    … make any statements regarding long-term trends. The extremely high temperatures in 2018 and the associated lack of oxygen led to fish dying in many German water … is calculated for each measuring point, using the deviations from the index year 2017, for which the temperature value is set at ‘0’. The values of these deviations … calculate the mean value across all gauging stations and fish regions respectively. 2017 is the earliest year for which data are available from all the gauging stations …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    LW-I-3: Hailstone damage in agriculture

    The picture shows a field of maize after a tempest. The maize plants are heavily damaged, with stalks snapped off. Between the plants, there are still areas of standing water.

    … % of harvest losses in this period – that is to say, prior to the drought years of 2018 to 2020 – can be attributed to drought, 26 % of damage to hail storms and just … April and mid-August by a sequence of thunderstorms of extraordinary violence. In 2017 there was substantial damage caused by changeable weather patterns with … 110 - BMEL (Hg.) 2017: Extremwetterlagen in der Land- und Forstwirtschaft – Maßnahmen zur Prävention …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-I-5: Damaged timber – extent of random use

    The picture shows a dense spruce forest. Several trees are dead, and in the foreground there is deadwood lying on the forest floor.

    … the late winter of 1990. The volume of calamity timber recorded for the period of 2018 to September 2022 amounted to 245 million cubic metres solid. In recent years … of damaged timber than comparable hurricanes. The autumn tempest Xavier in October 2017 caused damage in deciduous woodlands in Brandenburg, as trees were still in … leaf, whilst the low-pressure related storm Burglind, right on the cusp between 2017 and 2018, as well as Friederike in mid-January, broke trees in the western and …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    FW-I-6 + 7: Endangered spruce stands and spruce bark beetle

    … events lead to increased volumes of damaged timber. After the drought years of 2018 to 2020, the volume of beetle-damaged timber was 189 times as high as the multi-annual average recorded for the period of 1998 to 2017. FW-I-7: Volume of damaged timber due to spruce bark beetle – case study … drought years of 2018 to 2020. Compared to the average for the period of 1998 to 2017, a 189-fold deviation from the volume of damaged wood occurred. In all eight of …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    VE-I-3: Heavy rain impacting on roads

    The picture shows a gully on a flooded road. The waterspout indicates where the gully is located. There are safety cones beside the gully. A car wheel is visible at the very edge of the picture.

    … Heavy rain impacting on roads Source: DWD (Radar Climatology RADKLIM (RW) Version 2017.002)/ BASt (BISStra) Heavy rain events can occur anywhere In 2021, the flooding … 164 - LAWA – Bund/Länder-Arbeitsgemeinschaft Wasser (Hg.) 2018: LAWA-Strategie für ein effektives Starkregenrisikomanagement. Erarbeitet von … Klameth A., Lengfeld K., Walawender E., Weigl E., Becker A. 2018: RADKLIM Version 2017.002: Reprozessierte, mit Stationsdaten angeeichte Radarmessungen (RADOLAN), …

  • KomPass: Article from 28.11.2023 | Last changed: 15.12.2025

    BAU-I-4: Heavy rain in residential areas

    The picture shows the rainwater gutter of a brick building. Heavy rain is falling.

    … Heavy rain in residential areas Source: DWD (Radar Climatology RADKLIM (RW) Version 2017.002)/ BKG (DLM250) Heavy rain – a risk to settlements Heavy rain is a weather … images existing for Braunsbach in Baden-Württemberg (May 2016) or from Berlin (June 2017): It can be a matter of just a few minutes for torrential rain to make sewers … für Bau-, Stadt- und Raumforschung im Bundesamt für Bauwesen und Raumordnung (Hg.) 2018: Starkregeneinflüsse auf die bauliche Infrastruktur. Bonn: 19ff. …

  • KomPass: Article from 21.06.2021 | Last changed: 19.11.2025

    BAU-R-5: Insurance density natural hazard insurance residential buildings

    The picture shows a housing estate with a single-family house. A mudslide is pouring over the street in front of it.

    … show a significant increasing trend from 2001, the household insurance from 2002 to 2017. In 2017, the insurance density for connected residential building insurance with … as a well-established product in the insurance market. However, by late 2018 only 43 % of residential buildings were covered by eEV. As far as tenants are …