Table of Contents
Remote Sens., Volume 11, Issue 2 (January-2 2019)
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Cover Story (view full-size image) Widespread glacier acceleration has been linked to the warming of oceans around the periphery of [...] Read more. Widespread glacier acceleration has been linked to the warming of oceans around the periphery of Greenland, but glacier changes are difficult to fully explain due to a lack of detail on the bathymetry of the continental shelf and glacial fjords. Here, we employ high-resolution, airborne gravity data in combination with multibeam echo sounding data to infer the bathymetry of coastal Northwest Greenland for NASA's ‘Ocean Melting Greenland’ mission. The 3D inversion reveals a complex network of connected sea bed channels, not known previously, provide natural and varied pathways for Atlantic waters to reach the glaciers and melt them from below. This novel information helps better understand and model ice–ocean interactions along glacier margins. This study demonstrates that high-resolution gravity can complement ship mapping of bathymetry. View this paper.