1991-2020rainfall_erosivity_data

We hypothesized that: (1) Rainfall erosivity in the top three global karst regions exhibits significant spatial heterogeneity driven by atmospheric Circulation, topographic complexity; (2) human activities changes amplify erosivity variance in vulnerable karst area. The dataset comprises R-factor values (MJ·mm·ha⁻¹·h⁻¹·a⁻¹) for top three global karst regions, derived from 100-year (the interaction effect between elevation and human activities exerts a particularly significant influence on R in the EAKR1921-2020) high-resolution precipitation records. The data reveal:(a) Extreme erosivity hotspots: East Asian karst region (max=6975.7 MJ·mm·ha⁻¹·h⁻¹·a⁻¹)> Eastern United States karst region (avg=1791.4) > Mediterranean karst region(avg=1226.87); (b) the interaction effect between elevation and human activities exerts a particularly significant influence on Rainfall erosivity in the EAKR. The dataset identifies critical zones for soil erosion control. The global karst rainfall erosivity grid (1km resolution) is publicly accessible via [DOI: 10.17632/2mnm9t8tyg.1].