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  • KomPass: Article from 28.03.2022 | Last changed: 28.03.2022

    Climate models and scenarios

    A bridge over a dry river

    … different methods for this regionalisation of global climate models: dynamic and statistical methods – these also include so-called downscaling approaches, which can be used, for example, to further downscale the results of statistical models. An example of dynamic models is REMO and for statistical models …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    LW-R-4: Cultivation of thermophilic crops

    The picture shows the ripe ears of durum wheat plants in sunny weather.

    … cultivation terrain has doubled since 2016 when the species began to be recorded statistically. In 2021 soybeans were grown on roughly 34,200 ha; by 2022 that extent … less important than for the use of grain maize for ripening. From 2010 onwards statistics no longer differentiate between naturally ripened grain maize and CCM. …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-5: Peak discharge values in watercourses

    The picture shows a detailed view of a strong current. The water is tinged brown owing to its mud content.

    … often based on a 100-year flood event (HQ100), in other words, a flood event that, statistically speaking, occurs at least once in 100 years. As far as extreme flood … be borne in mind, however, that the occurrence of extreme floodwater can change the statistics. For instance, it is possible that a single HQ100 event turns into HQ50. …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    LW-R-2 + 3: Cultivating thermophilic crops and adapting variety spectrum

    … of Merlot and Cabernet Sauvignon is still limited, there are indications in wine statistics that it is in the process of expanding significantly. LW-R-3: Adaptation … The areas where Merlot and Cabernet Sauvignon are cultivated, as recorded by wine statistics since 2002, are still comparatively small – in 2021 their proportion of …

  • 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.

    … in inland waters – case study Source: LAZBW – Fischereiforschungsstelle (catch statistics / commercial fisheries Upper Lake Constance) / IGKB (lake monitoring) … temperatures rise 89 . Using the example of Lake Constance for which longterm catch statistics exist from commercial fisheries, it is possible to demonstrate that …

  • 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.

    … half-year period from early November to end of April, this cannot be regarded as a statistically significant trend. However, during the hydrological summer half-year, … and the winter half-year does not suggest any changes that can be described as statistically significant. In the Danube river basin where the discharge regime is … half-year period from early November to end of April, this cannot be regarded as a statistically significant trend. However, during the hydrological summer half-year, …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BD-I-1: Phenological changes in wild plant species

    The picture shows a coltsfoot plant in flower while the plant is peeking out from under snow cover.

    … autumn, late autumn and winter started later. Pre-spring is the only time when the statistical difference is not significant. This means that especially the early … in the period 1992 to 2021 compared to the reference period 1951 to 1980 reveals statistically significant – and in most cases highly significant – differences …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-6: Land use for settlements in officially designated flood plains

    The picture shows a building pit where the walls of a cellar have already been built. Steel girders are seen supporting wooden beams which extend across the ceiling of the cellar. The bottom of the building pit is filled with brown muddy water reflecting a tree.

    … land use to stipulate binding specifications for flood plains on the basis of (statistically speaking) once-in-a-hundred-years flood events (HQ100); these … well-known flooding risks, the pressure to build in flood plains remains high. The statistics available do not allow any conclusions as to how many other hazards such …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    Effects chain – Example presentation from the ‘agriculture’ action field

    … temperature as an aggregated mean for Germany between 1881 and 2022 was determined statistically to have risen by 1.7 °C. Furthermore, in the course of the past 50 … temperature as an aggregated mean for Germany between 1881 and 2022 was determined statistically to have risen by 1.7 °C. Furthermore, in the course of the past 50 …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    Effects chain – Example presentation from the ‘soil’ action field

    … far as heavy-rain events are concerned, high spatial and temporal variability make statistically backed trend statements difficult. However, the general understanding … far as heavy-rain events are concerned, high spatial and temporal variability make statistically backed trend statements difficult. However, the general understanding …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-6: Low water

    The picture shows a river with a low water level. There are smallish stones and large rocks projecting from the water. The river banks are covered in high grass. There is a woodland adjacent to the river bank.

    … either. The extreme drought of recent years has characterised the findings of the statistical trend analysis. The trend of low-water levels in terms of the water balance of the summer half-year is significantly rising. Furthermore, a statistical ‘breakpoint analysis’ makes it clear that the situation in both … either. The extreme drought of recent years has characterised the findings of the statistical trend analysis. The trend of low-water levels in terms of the water …

  • KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

    Cluster Tourism industry

    The picture shows a man from behind. He is wearing a T shirt and short trousers. He is walking through a wood carrying a rucksack. To the right and left of the path, white flowers are blooming beneath the trees.

    … to year. To date it has not been possible in an aggregated form, to determine a statistically reliable trend for ski tourism areas in terms of the number of days on … are data available which are collected on a regular basis for official tourism statistics at the level of municipalities, districts and travel areas or with regard …