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  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    HUE-2: Usage of warning and information services

    The picture shows a hand holding a smartphone. The smartphone screen is blue and shows the logo of DWD’s WarnWetter App. In the picture’s background, the black clouds of a thunderous sky are visible.

    … progresses. The DWD offers online access to their official weather warnings, for example in cases of frost and icy roads or storm, heavy rain and thunderstorm, UV … regarding the usage of warning and information services. The survey refers to examples such as the pollen information service, the heat warning services and the …

  • 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.

    … their floodgates causing torrential rain to fall on mostly small areas. Typical examples showing the impacts of short-term heavy rainfall are depicted in images …

  • 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.

    … be attributed to the relatively cool weather pattern prevailing in those years. For example, the annual mean temperature in 2010 of 7.8 °C was distinctly below 2011 … in the populations of the poisonous brackish-water alga Prymnesium parvum. This example demonstrates the fatal chain reactions that can occur in ecosystems. The … be attributed to the relatively cool weather pattern prevailing in those years. For example, the annual mean temperature in 2010 of 7.8 °C was distinctly below 2011 …

  • 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.

    … in the aftermath of storms. As mentioned above, in the late winter of 1990 for example, hurricanes Vivian and Wiebke resulted in extensive restoration work … where the calamity is located, the damage caused can vary in terms of volumes. For example, storms in regions with fairly open stands of pine forest – which are … in the aftermath of storms. As mentioned above, in the late winter of 1990 for example, hurricanes Vivian and Wiebke resulted in extensive restoration work …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-I-7: Health hazards from vibrios – case study

    The picture shows an outstretched foot on a sandy beach. There are two abrasions visible above the ankle.

    … bacteria can be accounted for earlier and in higher concentrations. In 2020, for example – owing to a summer heatwave with an extremely high number of sunshine hours … bound up with the water temperature alone. Other influential factors entail, for example, that – just like in the years of 2008 and 2009 – there can be numerous … bacteria can be accounted for earlier and in higher concentrations. In 2020, for example – owing to a summer heatwave with an extremely high number of sunshine hours …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    FI-I-3: Occurrence of thermophilic species in inland waters – case study

    The picture shows two men in waterproof working clothes standing in a small boat on Lake Constance. One of them is holding a fishing net. He seems to be pulling it out of the water. In the background, the lakeshore and a settlement are visible.

    … on fish stocks, yield conditions and proceeds in freshwater fisheries 88 . For example, thermophilic species, distributed by shipping activities in canals via … to suffer restrictions to their habitats when temperatures rise 89 . Using the example of Lake Constance for which longterm catch statistics exist from commercial … on fish stocks, yield conditions and proceeds in freshwater fisheries 88 . For example, thermophilic species, distributed by shipping activities in canals via …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-2: Sea levels

    The picture shows a sandy beach on the Baltic Sea coast. There is seawater lapping around a hooded beach chair (Strandkorb). In the background, the sea is visible with powerful waves and dark thunderclouds above.

    … reflect only those processes that are well understood and thus can be modelled. For example, the processes of ice melting in the Antarctic have so far not allowed … also affects the tidal dynamics (tidal water levels and current velocities). For example, modified tidal dynamics change the sediment transport in mudflats and … reflect only those processes that are well understood and thus can be modelled. For example, the processes of ice melting in the Antarctic have so far not allowed …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    GE-I-5: Pathogen vectors – case study

    The picture shows a close-up of the Asian Tiger Mosquito in the process of biting a human being.

    … thus increasing the risk of infection in respect of humans and animals. For example, in recent years there have been cases in central eastern Germany where … with pathogens. The illustration of the indicator is therefore limited to the example of one specific vector, namely the Asian Tiger Mosquito (Aedes albopictus) , … thus increasing the risk of infection in respect of humans and animals. For example, in recent years there have been cases in central eastern Germany where …

  • News from 08.11.2023 | Last changed: 11.03.2024

    Start the transformation of the food system now!

    Verschiedene Gemüse wie Möhren, Knoblauch, Sellerieknollen und eine Zucchini

    … In addition, it has a variety of positive effects in other policy areas. For example, it contributes to the food security of the growing world population and to … and food production ” aims to improve the impact of organic farming. For example, breeding research can contribute to increasing land productivity. A second …

  • DzU article from 22.12.2025 | Last changed: 22.12.2025

    Indicator: National Welfare Index

    A graph shows the national welfare index (NWI) and gross domestic product (2000 = 100) for the years between 1991 and 2024. Since 2000, the NWI has increased by 10.7 percent, while GDP rose by 27.4 percent.

    … of the index. Environmental costs and consumption of non-renewable resources are examples of negative categories, voluntary work and housework for positive … of the index. Environmental costs and consumption of non-renewable resources are examples of negative categories, voluntary work and housework for positive …