CR2SUB: monthly groundwater level database for Chile

The CR2SUB database compiles groundwater level (GWL) observations from 1,137 wells maintained by the Water Bureau of Chile (Dirección General de Aguas, DGA), downloaded from https://snia.mop.gob.cl/BNAConsultas/reportes, and processed into a homogenized monthly database for the period 1957-2025. The database also includes metadata for each observation well and a range of topographical and hydroclimatic attributes computed from ancillary information. The input data and scripts used to generate CR2SUB are provided to ensure reproducibility in the Github repository: https://github.com/calvarezgarreton/cr2sub. The workflow enables users to update the CR2SUB database whenever new DGA records are downloaded. Developers: The CR2SUB database has been consolidated within the framework of the Center for Climate and Resilience Research (CR2, ANID/FONDAP/1523A0002) and is part of the research project ANID/FONDECYT/11240924. Responsible: Camila Alvarez-Garreton. Collaborators: Rodrigo Marinao Rivas, Juan P. Boisier, Diego Dinamarca. Citation: Alvarez-Garreton, C., Marinao, R., Boisier, J. P., & Dinamarca, D. (2025). CR2SUB: monthly groundwater level database for Chile (v1.1) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.17591525