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Airborne investigation of quasi-specular Ku-band radar scattering for satellite altimetry over snow-covered Arctic sea ice
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  • Claude de Rijke-Thomas ,
  • Jack Landy ,
  • Robbie Mallett ,
  • Rosemary Willatt ,
  • Michel Tsamados ,
  • Joshua King
Claude de Rijke-Thomas
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Jack Landy
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Robbie Mallett
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Rosemary Willatt
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Michel Tsamados
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Joshua King
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Abstract

Operation Icebridge (OIB) 2016 level 1b Airborne Ku-band Synthetic Aperture Radar waveforms, concurrent with both OIB lidar data and Environment and Climate Change Canada in situ data, over snow on arctic sea ice, near Eureka, Canada. Footprint-scale (~16 m × 4.5 m) snow depths are estimated and compared to in situ measurements. Relative return powers and energies of the air-snow and snow-ice interface are estimated, as well as footprint-scale roughness and slope. Quasi-specular scattering (higher return powers/energies) are observed for smoother, flatter footprints. In addition to this, satellite data is discussed, including Cryosat-2 SARIn.
2023Published in IEEE Transactions on Geoscience and Remote Sensing volume 61 on pages 1-19. 10.1109/TGRS.2023.3318263