Erosion In Bedrock

Fluvial erosion forms in bedrock created by meltwater flow from the Greenland Ice Cap at Kangerlussuaq, West Greenland
Gilbert R, Geography, Queen's University, Canada, gilbert@lake.geog.queensu.ca)
Hyatt JA, Environmental Earth Science, Eastern CT. USA, hyattj@easternct.edu)

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Regional DEM

Elevation data were digitized from an unpublished topographic map (McKer and Hintz, 1957) and used to generate input data files for DEM construction. Data were gridded at 10 m data spacing, with surface subsequently splined to a 5 grid node spacing. Some contour elevations for the alluvial flood plane surface were in error. As a result, elevations for the alluvial surface were estimated and are identified as a smoothed purple overlay.

Reference: McKer, J. and Hintze, F. 1957. Unpublished topographic map, Sondrestrom Air Base, File D-699-C)