Figure 5
From: Towards global flood mapping onboard low cost satellites with machine learning

(a) Satellite used to derive each flood map in the WorldFloods data set. ‘Other’ satellites (all optical): GeoEye-1, PlanetScope, Earth Observing (EO)-1. (b) Difference in days between the flood map and the Sentinel-2 image (Sentinel-2 image is always posterior in time to the flood map).