04 Sep 2020
04 Sep 2020
Brief Communication: Ice Sheet Elevation Measurements from the Sentinel-3A / 3B Tandem Phase
- 1UK Centre for Polar Observation & Modelling, Centre for Excellence in Environmental Data Science, Lancaster University, Lancaster, LA1 4YW, UK
- 2University College London, Gower Street, London, WC1E 6BT, UK
- 3European Space Agency, European Space Research and Technology Centre (ESA ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, the Netherlands
- 1UK Centre for Polar Observation & Modelling, Centre for Excellence in Environmental Data Science, Lancaster University, Lancaster, LA1 4YW, UK
- 2University College London, Gower Street, London, WC1E 6BT, UK
- 3European Space Agency, European Space Research and Technology Centre (ESA ESTEC), Keplerlaan 1, 2201 AZ Noordwijk, the Netherlands
Abstract. Over the coming decade, the quartet of Sentinel-3 satellite altimeters will provide a continuous record of ice sheet elevation change. To ensure consistency of measurement between each of the four satellites, requires rigorous in-flight inter-comparison. To facilitate this, Sentinel-3B was initially flown in a unique tandem formation with Sentinel-3A, enabling near-instantaneous, co-located measurements to be acquired. Here, we analyse tandem measurements of ice sheet elevation, to show that both instruments operate with statistically equivalent accuracy and precision, even over complex ice margin terrain. This analysis demonstrates that both satellites can be used interchangeably to study ice sheet evolution.
Malcolm McMillan et al.
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RC1: 'Review Comments', Anonymous Referee #1, 26 Sep 2020
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AC1: 'Reply on RC1', Malcolm McMillan, 26 Feb 2021
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AC1: 'Reply on RC1', Malcolm McMillan, 26 Feb 2021
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RC2: 'Review of “Brief Communication: Ice Sheet Elevation Measurements from the Sentinel-3A / 3B Tandem Phase” by Malcolm McMillan, Alan Muir, and Craig Donlon', Anonymous Referee #2, 24 Nov 2020
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AC2: 'Reply on RC2', Malcolm McMillan, 26 Feb 2021
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AC2: 'Reply on RC2', Malcolm McMillan, 26 Feb 2021
Malcolm McMillan et al.
Malcolm McMillan et al.
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