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. 2023 Jul 1;10:424. doi: 10.1038/s41597-023-02234-8

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© The Author(s) 2023, corrected publication 2023

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Fig. 9 — Relationship between the Sentinel-1 C-band radar backscattering coefficient and soil moisture for the GuYuan station. (a) and (d) denote the original σ_VV and σ_VH, (b) and (e) denote σ_VV and σ_VH after incidence angle correction, and (c) and (f) denote σ_VV and σ_VH after incidence angle and vegetation correction.