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  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BAU-I-5: Claims expenditure for property insurance

    The picture shows a badly damaged single-family house. The exterior wall has been breached in several places, some windows are missing, and the exterior rendering is pitted to well above the ground floor. Mud and debris have accumulated all round the house.

    … in property insurance, and the related claims expenditure leaves its imprint on the time series, although it has so far not been possible to discern a significant trend. …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-9: Spring algal bloom in lakes

    The picture shows an aerial view of a lake. Its surface is coloured a luminous green in places, owing to spring algal bloom. There are agricultural fields visible in the lake’s vicinity.

    … to Climate Change last update on 28.11.2023 WW-I-9: Spring algal bloom in lakes The time of the onset of spring algal bloom depends strongly on the temperatures … capture of images by satellite has its own limitations. For all 20 lakes, the data series are available at a spatial resolution of 300 metres for the years 2002–2012 …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    BAU-I-1 + 2: Heat stress in urban areas and summer heat island effect

    … – case study Between the city centre and the urban fringe of Berlin, a maximum day-time temperature difference of up to 11 Kelvin is possible in the months of May to … days per annum in the 1950s to currently approximately 10 days per annum . The time series from urban climate stations in Berlin, Frankfurt am Main and Munich were …

  • Cover from 02.10.2024

    Introduction - 2023 Monitoring Report

    The cover shows a magnifying lens pointing at artwork containing arrows in various colours. In the centre of the lens is the title of the current Report.

    … the impacts of climate change on the basis of solid scientific data, at the same time as providing the public as well as decision-makers in all sectors of society … set. Principally, all monitoring indicators are intended to illustrate, by means of time series, developments across the whole of Germany. In respect of thematic aspects …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    BO-I-1 + 2: Soil water in agriculturally used soils and in forest soils

    … discharge consequently leads to the loss of water from the landscape at the same time as increasing the risks of flash floods and erosion (cf. Indicator BO-I-3 ). … Nevertheless, it is possible to discern longer-term development trends. The time series so far demonstrates that the models indicate – both for wheat and sugar beet …

  • 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.

    … the only one for which, so far, there is no clear trend discernible. Anyway, this time series is too short to make any statements regarding long-term trends. The extremely …

  • 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.

    … from the other gauging stations do not show any trends, possibly because the time series are still relatively short. KM-I-5: Change of flow direction Source: …

  • 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 Adaptation to Climate Change last update on 28.11.2023 WW-I-4: Floodwater The time series for the flooding scenario are characterised by individual flood events both …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-R-4: Submissions for the Mückenatlas

    The picture shows the fingers of two hands in rubber gloves, in the process of using tweezers to place dead mosquitoes on to a cover glass for microscopic examination.

    … for the purpose of analysing the spread of mosquito species in Germany. At the same time this ‘tool’ raises the public’s awareness of the issues concerned. In 2016 … some by means of using private traps – and these are posted as one item. The time series covering the postal mosquito submissions demonstrates that the population is …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-3: Mean discharge

    The picture shows a wide watercourse with a low water level. In some places the stony substrate projects beyond the water’s surface. In the background, a boat is visible docked at a jetty, in front of a range of hills on the horizon.

    … precipitation often accumulates as snow; therefore discharge is lowest at that time of year. As a result of snow melt in spring and early summer, often accompanied … as important for nearly all ecological functions of water bodies. Although the time series from the 1960s onwards shows a slight decline in the mean discharge value for …