Glacier monitoring using real-aperture 94 GHz radar

William D. Harcourt*, Duncan A. Robertson, David G. Macfarlane, Brice R. Rea, Matteo Spagnolo, Douglas I. Benn, Mike R. James

*Corresponding author for this work

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Close-range sensors are employed to observe glaciological processes that operate over short timescales (e.g. iceberg calving, glacial lake outburst floods, diurnal surface melting). However, under poor weather conditions optical instruments fail while the operation of radar systems below 17 GHz do not have sufficient angular resolution to map glacier surfaces in detail. This letter reviews the potential of millimetre-wave radar at 94 GHz to obtain high-resolution 3-D measurements of glaciers under most weather conditions. We discuss the theory of 94 GHz radar for glaciology studies, demonstrate its potential to map a glacier calving front and summarise future research priorities.
Original languageEnglish
Pages (from-to)116-120
Number of pages5
JournalAnnals of Glaciology
Issue number87-89
Early online date1 Jun 2023
Publication statusE-pub ahead of print - 1 Jun 2023


  • Glacier mapping
  • Glacier monitoring
  • Glaciological instruments and methods
  • Remote sensing


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