Supplementary material: Assessing the complex nature of climate change risks in semi-arid coastal basins

Data package supporting the article "Assessing the complex nature of climate change risks in semi-arid coastal basins" (Regional Environmental Change). Annual hydroclimatic and land-surface time series, figure-ready tables, NDVI pixel stacks, and geospatial correlation products for the Petorca–Quilimari–Ligua basins (central Chile). Time coverage: 1990–2023. Contents:• Geospatial products (NDVI, VIIRS, NDVI–SPEI correlations)• Processed tables for paper figures and supplementary material• Sub-basin analysis outputs• Metadata and data dictionary Sub-basins: UQ, LQ, MQ, CQP, UP, MP, LP, UL, ML, LL. Related article DOI: https://doi.org/10.1007/s10113-026-02642-7Software pipeline: https://github.com/Centro-de-Cambio-Global-UC/SACBAD