Water level measurements using COSMO-SkyMed synthetic aperture radar

Biondi, Filippo and Tarpanelli, Angelica and Addabbo, P. and Clemente, Carmine and Orlando, Danilo; (2020) Water level measurements using COSMO-SkyMed synthetic aperture radar. In: 2020 IEEE 7th International Workshop on Metrology for AeroSpace (MetroAeroSpace). IEEE, Piscataway, N.J., pp. 148-153. ISBN 978-1-7281-6636-0 (https://doi.org/10.1109/MetroAeroSpace48742.2020.9...)

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In this work, temporal series of Synthetic Aperture Radar (SAR) data are used to estimate water elevations. The proposed method is based on a Sub-Pixel Offset Tracking (technique) to retrieve the displacement of the double-bounce scattering effect of man-made structures located in the proximity of the water surface. The experimental setup is focused on the cases of the Mosul dam in Iraq and the Missouri river in Kansas City. The proposed approach is applied to real data from the COSMO-SkyMed program. Results validated with in-situ and satellite radar altimeter measurements prove the effectiveness of the proposed method in measuring the water levels.