digital elevation model 2 drumlin ice stream 2 Bedforms 1 Clustering algorithms 1 Finger lakes 1 Flow unit 1 Flow units 1 Glacial geology 1 Glacial lineation 1 Ice 1 Ice flow 1 Ice stream 1 Ice streams 1 Lake basins 1 Lakes 1 Last Glacial Maximum 1 Laurentide Ice Sheet 1 New York [United States] 1 New York finger lakes 1 New york finger lake 1 Optical radar 1 Parallel flow 1 Poland [Central Europe] 1 Quantitative assessments 1 Scandinavian Ice Sheet 1 Sea level 1 Subglacial bedform continuum 1 Topography 1 United States 1