鄂州市潜在淹没区不透水面数据集(2010）

鄂州市2010年潜在淹没区不透水面数据集。该数据基于该地区警戒水位，利用SRTM DEM数据，在面状数字高程模型上提取鄂州市等于及小于警戒水位线的空间范围。同时，结合长江干流水系分布数据，排除小于警戒水位范围内的不连通区域，利用流域范围，得到鄂州市潜在淹没区范围。在鄂州市潜在淹没范围基础上，利用长江流域土地利用现状遥感监测数据2010年数据，提取鄂州市区域属于不透水面的范围。提取土地利用数据中心城镇建设用地、农村居民地与其他建设用地范围作为不透水面。

Dataset of Impervious Surfaces within Potential Flooded Areas of Ezhou City (2010). This dataset is developed based on the local warning water level of Ezhou City. The spatial extent of Ezhou City where the elevation is equal to or lower than the warning water level is extracted from the planar digital elevation model using SRTM DEM data. Meanwhile, in conjunction with the distribution data of the Yangtze River main stem water system, disconnected regions within the extracted elevation range are excluded, and the final potential flooded area scope of Ezhou City is determined based on the river basin extent. On the basis of the obtained potential flooded area extent, the impervious surface extent within Ezhou City is extracted using the 2010 remote sensing monitoring data of land use status in the Yangtze River Basin. Specifically, the areas of urban construction land, rural residential areas and other construction land in the land use dataset are classified as impervious surfaces.