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  • 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.

    … excessively high temperatures or drought can entail losses in yield or quality, when for instance a cereal crop ripens too early. Climate change influences seasonal … with snow falling all the way from Scandinavia to the Alpine region. Even though that year does not stand out in terms of the phenological time series for apple … heat is released, which protects both leaves and blooms from frost damage. Nevertheless, frost protection irrigation requires massive quantities of water amounting to …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    TOU-I-2: Snow cover for winter tourism

    The picture shows a ski lift heading for a slope wooded predominantly with conifer trees. The slope is covered with a thin layer of snow. However, in the foreground especially, there are large areas of ground without any snow cover thus revealing grass and bare earth. A radiant sun is shining brightly from a cloudless sky.

    … mountains, snowy forests and radiant sunshine are the ultimate ideal of many people when they think of winter holidays and winter sports. Whenever there is insufficient … the Alps and selected upland areas over the past (just under) five decades shows that the snow situation between 1970 and 2021 in all ski-tourism areas (‘Alps’, … between 2005 to 2020 by more than 500 ha to lately approximately 920 ha. Nevertheless, applications of artificial snow are subject to physical and economic …

  • KomPass: Area of action climate impact from 06.01.2023 | Last changed: 07.01.2026

    Climate Impacts: Field of Action Biological Diversity

    colourful flowering summer meadow

    … phases show for the snowdrop, which marks the beginning of early spring, that it flowers three days earlier per decade on average. The same applies to the … earlier, to migrate away later, to shorten their migration routes and to overwinter more frequently in the breeding area. In the North Sea region, migratory birds have … soft butterfly caterpillars to feed its young. However, they have already pupated, when the young birds need them for food. As a result, the bird's brood is weaker and …

  • 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.

    … As far as soybeans are concerned, the 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 had already increased to 51,500 ha. The cultivation hotspots are located … beans and lupins, thus becoming the leading grain legume in cultivation. Nevertheless, domestic production can only cover 3 % of annual demand. Within the framework …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    BS-I-1: Person hours due to weather-related damage events

    The picture shows an inundated landscape. In the centre of the picture a flooded road can be seen, with a lorry passing. There are people visible on the lorry’s load platform. In the picture’s foreground, part of a blue emergency vehicle is visible with blue warning lamps fitted all round the vehicle which is also driving along this flooded road.

    … After all, part of the essential remit is to provide technical assistance whenever extreme weather-related and weather-pattern related events cause emergency … relief operations. For some volunteers this involves release from their place of work, sometimes for weeks on end – a tricky situation given the current labour … coordination and entails organisational problems. Basically it has to be borne in mind that the THW’s call-out figures provide only limited clues as to the other …

  • 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.

    … disaster in 2021, an individual damage to a one-family home can total ten times that amount. 142 As far as the development of frequency and intensity of heavy rain … due to fire, lightning strike, explosion and tap water have remained more or less consistent over the years. In cases of storm and hail damage and other natural … hailstones or other natural hazards. However, from time to time there are years when individual extreme events push up the claims expenditure. After the turn of the …

  • KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

    Cluster Building Sector

    The picture shows an artificial watercourse which runs past a block of flats in a newly developed housing estate. There is a road crossing the watercourse. The watercourse is edged with a narrow strip of vegetation consisting of grass, young trees and flower beds. Benches offer seating.

    … can be carried out in buildings. The existing building standards and norms ensure that buildings meet these requirements when confronted with a variety of climatic conditions prevailing at their location … of extreme events on the building stock. By comparison, the data situation is less favourable with regard to other consequences of climate change. Primarily this …

  • 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.

    … breeding sites for pest organisms, thus strongly favouring their reproduction, unless appropriate action is taken. In cases where there are extensive areas of … solid. In recent years professionals in forestry circles have gained the impression that phases free from relevant impacts caused by random use are becoming ever … in the overall damage scenario nowadays (cf. Indicators FW-I-6 and FW-I-7 ). When interpreting the data on wind-blown, wind-broken and infested timber, it is …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FI-I-1: Distribution of thermophilic marine species

    The picture shows several sardines swimming along the bottom of the sea. Below and behind the fish it is possible to see rocks and aquatic plants.

    … Sea coast, most catches now turn up at least one southern species. Likewise, the more northerly research areas show an increase too. FI-I-1: Distribution of … change the living conditions for all marine organisms. It is worth remembering that water masses in the North Sea do not warm up in the direction of north to … to be expected that the consequences of climate change in the Baltic Sea will have less pronounced impacts on species shift than in the North Sea. Nevertheless, …

  • 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 organisation of risk provisioning and adaptation capacities is a task that concerns society as a whole. Curbing global warming and its impacts is a core … as ecological and societal systems are influenced by multiple factors. When assessing damage to forests, for example, it is necessary, in addition to any … examining whether the trend is basically in line with DAS objectives. Nevertheless, a negative or positive appraisal of trends does not seem meaningful in all …

  • KomPass: Area of action adaptation from 11.01.2022 | Last changed: 17.12.2025

    Adaptation: Field of Action Transport

    Traffic jam

    … and even lead to their closure. However, they usually last only a few days, so that adaptation should take place primarily with regard to low-water events. An … companies to reschedule their transports in time or to use smaller ships with less draught. If necessary, shipping companies have to adapt their fleets … for this. The creation of storage capacities can also help to bridge bottlenecks when shipping is severely restricted. As the Rhine is particularly affected by …

  • 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.

    … coastal watercourses are influenced by storm surges. Source: Peter Engelke / stock.adobe.com 2023 Monitoring Report on the German Strategy for Adaptation to Climate … Zones of brackish water provide habitats for specialised animal and plant species, that can be used as ‘nurseries’ by fish species considered of economic importance. … at high tide this flow is slowed down or the river water is backed up. Especially when strong wind and a rough swell force seawater into estuarine areas and inland …