Snow Depth Measurements from an Octo-copter Mounted Radar

In this paper, we present the evaluation of snow depth measurements that were conducted by an octo-copter mounted radar. The newly integrated radar and aerial platform was field trialed on sea ice near McMurdo Sound in Antarctica. In this trial, a 0.5 km length of snow-covered sea ice was selected f...

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Bibliographic Details
Main Authors: Tan, Adrian Eng-Choon, McCulloch, Josh, Rack, Wolfgang, Platt, Ian, Woodhead, Ian
Format: Conference Proceeding
Language:English
Subjects:
airborne radar
Correlation
Length measurement
Microwave measurement
Radar
Radar measurements
radar system
remote sensing
sea ice
Sea measurements
Snow
snow depth
ultra-wideband radar
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Summary:In this paper, we present the evaluation of snow depth measurements that were conducted by an octo-copter mounted radar. The newly integrated radar and aerial platform was field trialed on sea ice near McMurdo Sound in Antarctica. In this trial, a 0.5 km length of snow-covered sea ice was selected for snow depth survey. Radar measurements were conducted as the octo-copter was flying at a height of 15 m and at a constant speed of 2 m/s over uniform sea ice. A separate validation measurement of snow depth along the same length of snow-covered sea ice provided ground truth data that were then used to compare with snow depth estimates from measured radar signals. Comparison between radar and ground truth measurements shows high correlation, at 0.90, between the two sets of snow depth data. Measurement error (difference between snow depth values measured by the radar and ground truth) has a mean of 0.1 cm and standard deviation of 3.1 cm.
ISSN:2576-7216
DOI:10.1109/IMS30576.2020.9224003