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. 2026 May 27;16:24114. doi: 10.1038/s41598-026-55055-1

Fig. 10.

Fig. 10

Normalized difference vegetation index (NDVI) highlights vegetation vigor and stress patterns in the Bogestay-Kenoy region. High NDVI corresponds to moisture-supported vegetation, while low NDVI correlates with oxidation (IOR) and salinity (NDSI) zones, indicating possible soil alteration or seepage influence. On the right are Google Earth images of two depressions located within the area indicated by red arrows on the left, derived from Sentinel-2 data acquired during June–September 2024.