H. L. Marshall

Papers

Total Citations

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About

H. L. Marshall is a geophysicist specializing in autonomous polar exploration and radar-based glaciology. His most cited work centers on the development and deployment of ultra-wideband frequency modulated continuous wave (FMCW) radar systems for surveying Antarctic ice dynamics. Marshall’s key contribution is the integration of autonomous robotics with high-resolution radar to map hazardous shear zones—areas of intense ice deformation critical to understanding ice shelf stability and sea-level rise. His landmark 2010 study, which has garnered 20 citations, demonstrated the first autonomous FMCW radar survey of an Antarctic shear zone, using a sled-mounted 2-10 GHz system towed by a robot designed for extreme polar conditions. This work proved that autonomous platforms could safely collect high-fidelity subsurface data in crevassed, inaccessible terrain. By enabling repeatable, high-resolution surveys without risking human life, Marshall’s innovations have advanced the monitoring of ice sheet dynamics and informed models of glacial flow. His research bridges robotics, radar engineering, and glaciology, establishing a foundation for future autonomous geophysical surveys in Earth’s most remote environments.