This work discusses a current open source implementation of a line similarity assessment workflow to compare elevation-derived drainage lines with the high-resolution National Hydrography Dataset (NHD) surface-water flow network. The process identifies matching and mismatching lines in each dataset to help focus subsequent validation procedures to areas of the NHD that more critically need updates.
Additional publication details
Similarity assessment of linear hydrographic features using high performance computing
Center for Geospatial Information Science (CEGIS)
Extended abstract for oral presentation.
FOSS4G 2018 (Free and Open Source Software for Geospatial)