@Article{ previdi.ea_2007, author = {Previdi, M. and Liepert, B. G.}, title = {Annular modes and Hadley cell expansion under global warming}, doi = {http://dx.doi.org/10.1029/2007GL031243}, journal = {Geophys. Res. Lett.}, volume = {34}, pages = {L22701}, year = {2007} }