Archer & Caldeira (2008)
Also: Archer & Caldeira 2008
Historical trends in the jet streams
Archer, C.L., Caldeira, K. (2008). Historical trends in the jet streams. Geophysical Research Letters. 35(8). PDF
https://doi.org/10.1029/2008gl033614
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.