Flood hazard map for Freiburg i. Br. — HQExtrem

The spatial data set contains the flood zones in the subprocessing areas (TBG) Dreisam and Rhein-Wiese-Leopoldskanal for a HQExtrem flood scenario. The HQExtrem scenario assumes a spread of the flood to an extreme flood level, which can be caused by unusual precipitation and drain events as well as by the backlog of blocked bridge passages.本空间数据集涵盖德赖萨姆、莱茵-维瑟-利奥波德运河两处子处理区域（TBG）内的洪水淹没区，对应极端洪水情景（HQExtrem）。该情景设定洪水蔓延至极端水位，此类极端水情的成因包括异常降水、排水异常事件以及桥梁通道阻塞引发的积水滞留。