Cartography of Hitting Vulnerabilities - Hitting P3 - Tr 10 years

The dataset 'Battenti P3 - Tr=10 years - areas' is a classification of the expected doors in the perimeter areas as P3 pursuant to Legislative Decree 49/2010 - Floods Directive 2007/60. For the beach it is suggested to use, however, the information level 'beach hitters' which is more conservative. The cartography of the doors was produced using the model, in_CoastFlood (a tool for GIS), developed by the SGSS for the rapid processing of coastal hazard maps, pursuant to Legislative Decree 49/2010. For each of the three scenarios (Tr10, Tr100 and Tr>>100) a new 'run' of the model was carried out, using the 2012 DTM (or 2010, in areas without 2012 coverage) as a high-resolution topographic base, both DTMs are more accurate than the 2008 DTM used for hazard maps under the Floods Directive in 2013. For the extraction of the hinges, the modeling is interrupted when the 'damping surface' is generated, from which the DTM 2012 is subtracted, thus obtaining a 'grid' of dimensions, which represents the hinges.The modeling was preceded by a phase of quality testing that made it possible to ascertain that the result, in terms of extension of the floodable areas, did not deviate from the areas mapped in 2013. The test also covered the comparison with: 1) flood and swing maps obtained with two-dimensional model DHI Mike 2 in two sites of the regional coast (Lido di Savio and Cesenatico); 2) the data measured during the centennial storm event of 6-7 February 2015. The results of the comparisons were very comforting. The classification is represented in altimetric bands (6 water height classes): minimum class 0-50 cm and maximum class > 250 cm.数据集‘Battenti P3 - Tr=10年 - 区域’（Battenti P3 - Tr=10 years - areas）是依据《第49/2010号立法法令》及《2007/60号洪水指令》，将沿海周边区域内的预期防洪闸口归类为P3类的数据集。不过针对海滩区域，建议采用更为保守的“海滩受淹节点”（beach hitters）信息层级。该防洪闸口的制图工作依托由SGSS开发的in_CoastFlood工具完成，该工具为面向地理信息系统（GIS）的海岸灾害图快速处理工具，符合《第49/2010号立法法令》的相关要求。针对重现期10年、100年及远大于100年的三种情景，均开展了一次全新的模型运算，以2012版数字地形模型（DTM）作为高分辨率地形基底；无2012年覆盖数据的区域则采用2010版DTM。上述两款DTM的精度均高于2013年洪水指令相关灾害图所使用的2008版DTM。在提取淹没边界（hinges）的过程中，当生成“阻尼面”时即终止建模，通过从该阻尼面中减去2012版DTM，可得到代表淹没边界的尺寸网格。建模工作开展前已完成质量验证阶段，结果显示，就淹没区域范围而言，本次建模结果与2013年已测绘的区域无显著偏差。本次验证还包含两项对比：其一，在区域海岸的两处站点——萨维奥堤岸（Lido di Savio）与切塞纳蒂科（Cesenatico），将本次结果与采用二维模型DHI Mike 2生成的洪水及漫流图进行对比；其二，将本次结果与2015年2月6日至7日百年一遇风暴事件中的实测数据进行对比。对比结果令人十分满意。本次分类采用高程带划分，共包含6个水位等级：最低等级为0-50厘米，最高等级为＞250厘米。