Cuthbert et al (2019). Global patterns and dynamics of climate–groundwater interactions. Nature Climate Change, 9, 137–141. DOI:10.1038/s41558-018-0386-4
https://www.nature.com/articles/s41558-018-0386-4
See the ReadMe file uploaded with the data and the Methods section of the paper for details of the derivation of each dataset.