Corrigendum: Journal of Water and Climate Change 13 (12), 4302–4316: A new method for assessment of regional drought risk: information diffusion and interval mapping adjustment based on k-means cluster points, Wentao Xu, Ming Tang and Yanlei Li, http://dx.doi.org/10.2166/wcc.2022.345. Issue 3 (31st March 2023) - Unknown