Closed depression density in karst regions of the conterminous United States: features and grid data

Most methods for the assessment of sinkhole hazard susceptibility are predicated upon knowledge of pre-existing closed depressions in karst areas. In the United...当前用于评估岩溶塌陷灾害易发性的多数方法，均以岩溶区域内现存封闭洼地的相关认知为基础。在美国...