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  • 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.

    … to damage in terms of windblown, wind-broken or pest-infested timber, damage caused by forest fires has so far played a secondary role in most regions of Germany. … water abstraction points were driven forward, and improvements were made regarding public information. While the latter is of importance in respect of negligent …

  • 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.

    … unfavourable valley location exposed to extended heavy rain events causing flash floods and floodwater. Numerous bridges and roads were damaged or … in Landshut, Darmstadt, Krefeld and Magdeburg owing to violent tempests, either because they were inundated by floodwater or swamped by mudslides so that they had to be … damage to roads and infrastructures will increase. So far, there are no data in the public domain which might enable a reliable and cause-related illustration of the …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BAU-I-3: Cooling degree days

    The picture shows the glass frontage of a house reflecting the sun. Some of the windows are part-shaded by means of external roller shutters.

    … European Environment Agency (EEA) 136 . The evaluation of cooling degree days was used as a basis for estimating the temporal development of cooling requirements or …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    LW-I-1: Agrophenological phase shifts

    The picture shows apple blossoms covered in frost.

    … network) Spring crops starting earlier year by year Hardly any other form of land use is as tied to natural seasonal rhythms as agricultural land use. People who work … a specific variety into account. This circumstance is the reason why the effects of using different varieties are also reflected in the flowering periods observed …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    LW-I-2: Yield fluctuations

    The picture shows the soil of a cereal field, with large cracks caused by drought.

    … recent years even a slight decline. This development was due to a complexity of causes that will have to be examined more closely. Apart from factors already … risks, because any calculation will have to be inclusive of the materials to be used and the storage capacities required, based on the yields expected. Looking at …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    WW-R-2 + 3: GAK funds for and investments in flood protection

    … to implement flood protection measures in respect of 1st order waters, the Länder use further funds from their own budgets, in addition to the resources available … respect of rivers of the 2nd and 3rd order. These investments were illustrated by using Hesse as an example. The funds invested by local authorities by themselves …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    BD-R-3: Protected areas

    The picture shows a sign commonly used in the eastern states of Germany to indicate a nature reserve. The sign depicts the outline of a black owl against a yellow background. The sign is located on the edge of a meadow. A partly wooded hill rises behind the sign.

    … influences in German landscapes characterised almost contiguously by anthropogenic use. Apart from the adverse effects of progressive intensification of land use, climate change in many cases causes additional stresses. Given these …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-8: Water temperature in lakes

    The picture shows a mountain lake in glaring sunlight. A mountain chain is visible in the background.

    … toxin-forming cyanobacteria can occur in increased concentrations in summer, causing health problems to bathers (cf. Indicator GE-I-6 ). There are more than 12,000 … for which the temperature value is set at ‘0’. The values of these deviations are used to calculate the mean value across all the lakes. 2014 is the earliest year for …

  • KomPass: Article from 28.11.2023 | Last changed: 19.09.2024

    Cluster Woodland and forestry

    The picture shows a coniferous forest. The bark-free trunk of a damaged spruce tree is visible in the foreground. In the light-coloured wood of this tree the distinct frass traces of a bark beetle are clearly visible.

    … Cluster Woodland and forestry Woodland and forestry Source: matousekfoto / stock.adobe.com 2023 Monitoring Report on the German Strategy for … the intensive Environment Monitoring in Forestry (LEVEL II) have so far not been used in terms of indicators for the DAS woodland and forestry action field. For the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-4: Coastal morphology – case study

    The picture shows a light-brown cliffscape near Ahrenshoop on the Baltic Sea coast. At the foot of the cliff, you can see the sea and the spray of a wave. In one coastal section, you can see loose material and rock fragments which have been shifted from the cliff top to the bottom of the cliff.

    … – case study As sea levels rise, the loads affecting coastlines increase. This causes material displacements. Source: fotografci / stock.adobe.com 2023 Monitoring … of roughly three kilometres. Data on the location of the upper cliff edge are used to determine the average annual retreat of the coastline. The survey data were …

  • 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.

    … hailstorm, tempest, heavy rain, flooding, frost and damage from outwintering can cause yield losses in agriculture. Typically, the insurance policy covers only damage from hailstones. Increases in claims expenditure are essentially caused by increases in the amounts insured. Claims ratio figures make it possible to …

  • Cover from 26.11.2025

    Adaptation to climate change

    Sandsäcke wurden vor einer Haustür aufgestapelt, um das Haus vor Hochwasser zu schützen

    … more subtle changes will have a particularly large impact on our country. Greenhouse gases that by now are already in the atmosphere will continue to have an impact … level. Central components of our infrastructure such as roads, sewage systems, public buildings and hospitals are often owned by municipalities. Thus, they have …