Abstract
In view of the predicted climate change towards drier and hotter summers in Germany, heat- and drought-related disturbances in railway traffic are likely to increase in the next decades. This paper focuses on vegetation-related disturbances in the immediate vicinity of the German railway network, namely embankment fires and drought-induced tree falls. First, the spatiotemporal occurrence of the two processes is presented. Based on a Maximum Entropy model, a Germany-wide risk indication map for embankment fires along the rail network was developed. A GIS tool for determining tree fall risk is presented that incorporates the parameter tree vitality, allowing the detection of tree stands weakened due to adverse climate conditions. The maps and tools can help make the German rail network more resilient to heat- and drought-related disturbances and thus better adapted to climate change.
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