Abstract
Due to the results of the climate change prognosis for Saxony County, and especially the Ore Mountains, the number of heavy rain events will have a higher recurrence interval in the near future. There were more prognosticated heavy rain events with destructive capacity for the urban areas. The urban areas are densely located especially in the valleys of the East Ore Mountains, which form natural run-off channels for heavy rain events in flood generation areas. Straightforward climate change measures must be taken into account such as sustainable land use technologies. Additionally, in flood generation areas appropriate flood protection concepts, for example, engineered protection methods, should be implemented. The key activities in terms of flood protection in the Geising/Altenberg area include a potential analysis of retention effects as well as the discussion on the effectivity of compensation measures on agricultural lands, settlements and forestry areas. The main scope was an assessment of the efficiency of possible compensatory measures to support the effect of the natural water infiltration and water retention in the flood generation areas. The required flood protection measures in the flood generation area of Geising and Altenberg must not affect the natural character of the area. The inclusion of mining facilities for flood retention or discharge was evaluated to be critical.
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Notes
- 1.
The recurrence interval (sometimes called the return period) is based on the probability that the given event will be equalled or exceeded in any given year. The given number indicates the recurrence interval of flood. The situation in Altenberg, for example, showed a protection level against floods with a recurrence interval of 5 years.
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Schneider, P., Löser, R., Gössel, F. (2012). Flood Risk Protection Concept for the Urban Region Geising/Altenberg in the Flood Formation Area of the Eastern Ore Mountains, Germany. In: Otto-Zimmermann, K. (eds) Resilient Cities 2. Local Sustainability, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4223-9_9
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DOI: https://doi.org/10.1007/978-94-007-4223-9_9
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