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. 2021 Oct 28;8:277. doi: 10.1038/s41597-021-01059-7

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© The Author(s) 2021

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Fig. 2 — Example of the (a) S1GBM VH and (b) VV mosaics of the area of Bordeaux, France, compared with (c) the local Land Cover classes for the year 2015 of the Copernicus Global Land Service, and with (d) Sentinel-1 mean VV backscatter from the same observation period and all relative orbits covering the area, but not normalised for incidence angle (PLIA). (d) includes a mini-map of the same area plotting the number of Sentinel-1 observations contributing to (b) and (d) that is bound to Sentinel-1’s (heterogeneous) orbit coverage pattern.