Multi-Index Remote Sensing Analysis of Fine-Scale Ecosystem Health Trajectory in a Critical Maasai Mara Ecosystem Ecotone Data (2019-2026)

README Multi-Index Remote Sensing Analysis of Fine-Scale Ecosystem Health Trajectory in a Critical Maasai Mara Ecosystem Ecotone Data (2019-2026) DOI: 10.5281/zenodo.21379001 Overview This dataset contains multi-annual geospatial indicators of land surface condition derived from Sentinel-2 satellite imagery (10m resolution) for 2019-2026: NDVI- Normalised Difference Vegetation Index (vegetation greenness) SAVI- Soil-Adjusted Vegetation Index (reduces soil brightness influence) BSI- Bare Soil Index (exposed soil as degradation proxy) Data Sources Sentinel-2 L2A: Surface reflectance, <20% cloud cover CHIRPS Daily: Precipitation, bilinear resampling to 10m Data Files Raster Data (GeoTIFF, 10m resolution, EPSG:4326) The raster datasets were imported into QGIS for visualisation and map production. File Description S2_Indices_2019.tif through S2_Indices_2026.tif Annual composites (NDVI, SAVI, BSI bands) NDVI_Mean_2019_2026.tif Multi-year mean NDVI SAVI_Mean_2019_2026.tif Multi-year mean SAVI BSI_Mean_2019_2026.tif Multi-year mean BSI Tabular Data (CSV) File Name Description Variables S2_Indices_Per_Tile_Yearly_2019_2026.csv Annual per-tile mean values Tile_ID, Year, NDVI_mean, SAVI_mean, BSI_mean S2_CHIRPS_Per_Tile_Monthly_2019_2026.csv Monthly per-tile values with precipitation Tile_ID, Year, Month, Date_Label, NDVI_mean, SAVI_mean, BSI_mean, Precip_sum LDSF_Spatial_Means_2019_2025.csv LDSF spatial means for tile analysis Tile, Year, NDVI_mean, SAVI_mean, BSI_mean LDSF_RESTREND_Slopes_2019_2025.csv RESTREND Sen's slopes for trend analysis Tile, Year, Resid_Slope_NDVI, Resid_Slope_SAVI, Resid_Slope_BSI