Data from: Vegetation on the move: Elevational shifts and greening dynamics across the Himalayan alpine zone

This dataset contains processed climate and vegetation data supporting analyses of spatiotemporal vegetation dynamics from 1999 to 2022 across six study regions in the Himalayas. The dataset is organized into four components: (1) annual climatic variables derived from ERA5 reanalysis data, including total precipitation (TP), skin temperature (SKT), and snow depth (SD); (2) pixel-level Normalized Difference Vegetation Index (NDVI) values extracted from Landsat imagery, along with derived trend metrics (initial NDVI, linear trend slope, and statistical significance); (3) annual estimates of vegetation line elevation derived using the Triangle method; and (4) regionally aggregated summary metrics integrating climate variables, vegetation trends, and elevational changes. The data enable assessment of relationships between climate variability, vegetation greenness, and elevational shifts, and can be reused for comparative studies of vegetation–climate interactions. All variables are provided in standardized formats and units as described in the associated manuscript. Missing values are indicated as NA. The dataset contains no personal or sensitive information and is suitable for open access distribution. No ethical restrictions apply. Code used for data processing and analysis is available from the corresponding author upon reasonable request.