Fig. 6
From: A hybrid in situ and on-screen survey to monitor gully erosion across the European Union
Datasets used for verifying the accuracy and consistency of the LUCAS 2022 survey data. (a) The 2,500 randomly selected LUCAS 2022 locations used to assess the error of omission (possible false negatives). (b) The 4,500 randomly selected locations (excluding LUCAS) used to validate the spatial patterns and consistency of the LUCAS 2022 survey. (c) LUCAS 2022 locations situated around the Municipality of Rome (Central Italy). (d) Gully features (i.e., gully heads) mapped through on-screen visual detection of the entire arable land area of the Municipality of Rome (2018–2024).
