Wigley & Jones (1985)
Also: Wigley & Jones 1985
Influences of precipitation changes and direct CO2 effects on streamflow
Wigley, T. M. L., & Jones, P. D. (1985). Influences of precipitation changes and direct CO2 effects on streamflow. Link to abstract
doi:10.1038/314149a0
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.