![]() ![]() ![]() The first thing to consider, in fact, is that in this type of work floods with different frequencies are simulated: in other words, for each river reach we simulate what would happen in the case of a flood that occur with a frequency of once every ten years, twenty years, or every century,” the researcher continues. “Creating these datasets requires being able to automate the model simulation procedure. “For this reason, a Europe-wide study is needed to analyze the data in a consistent way.” “River basins often do not follow national boundaries, and individual nations have no interest in mapping neighboring ones at the national level, data on incoming rivers are sufficient for hazard maps,” Alfieri explains. They represent, in this sense, an important tool not only for risk management strategies but also for studies and development of adaptation strategies. These maps – already in their previous version – are the main reference in Europe for simulation studies of flood impacts, both in the current climate and in consideration of the possible effects of climate change, allowing the comparison between different regions, nations and basins. We asked him to tell us some of the essential elements of this research and the most relevant novelties of the new flood hazard maps. Particularly relevant have become, especially in recent years, the large-scale maps, at the continental or even global scale.įor Europe, a new dataset of maps has just been described in a paper, published on Earth System Science Data, whose authors include Lorenzo Alfieri, researcher of the Hydrology and Hydraulics Department of CIMA Research Foundation. In order to establish effective flood risk management strategies, one element that has become indispensable are the hazard maps: that is, maps that show what would happen for a given flood, in a given area, considering variables such as the extent of the flood and the depth that the water could reach. A recently published article describes the new flood hazard maps for Europe, which are used for risk assessment and for predicting the impacts of climate change ![]()
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