High-resolution (0.125°) monthly predictions of precipitation δ²H and δ¹⁸O over China mainland for 1990-2020

The dataset supports research in hydrology, ecology, paleoclimate, archaeology, isotope geochemistry and related fields.Data files:data/H2_value_1990‑2020.nc Monthly δ²H time = 372, lat = 425, lon = 521data/H2_value_climatology_1990‑2020.nc 30‑year mean δ²H lat = 425, lon = 521data/O18_value_1990‑2020.nc Monthly δ¹⁸O time = 372, lat = 425, lon = 521data/O18_value_climatology_1990‑2020.nc 30‑year mean δ¹⁸O lat = 425, lon = 521 *Approximate on‑disk sizes with NetCDF‑4 compression enabled.Common metadata Spatial extent : 2° N – 55° N, 72° E – 137° E Grid : 0.125° regular (EPSG:4326) Land mask : Applied (oceans → NaN) Created on : 2025‑06‑07 15:30 UTCLicence & citation Data The four NetCDF files in "data/" are released under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence.

You are free to share and adapt the data for any purpose, provided you give appropriate credit.Disclaimer: The generated datasets and source code are provided "as is" strictly for academic research and broad-scale reference purposes. It should be emphasized that the core scientific contribution of this study lies in the interpretable machine-learning methodology, and the reconstructed gridded datasets serve primarily as a byproduct demonstrating the capability of this framework.