In Press
Simpson, I. R., Seager, R., Ting, M. and Shaw, T. A. Causes of change in Northern Hemisphere winter meridional wind and regional hydroclimate. Nature Climate Change, In Press
Published
Simpson, I. R., Seager, R., Shaw, T. A. and Ting, M. (2015) Mediterranean summer climate and the importance of the Middle East Topography. J. Clim., 28 1977--1996
Seager, R., Neelin, D., Simpson, I. R., Liu, H., Henderson, N., Shaw, T. A., Kushnir, Y., Ting, M. and Cook, B. (2014) Dynamical and thermodynamical causes of large-scale changes in the hydrological cycle of North America in response to global warming., J. Clim., 27, 7921--7948
Hitchcock, P. and Simpson, I. R. (2014) The Downward Influence of Stratospheric Sudden Warmings (2014) J. Atmos. Sci., 71, 3856--3876
Seager, R., Liu, H., Henderson, N., Simpson, I. R., Kelley, C., Shaw, T. A., Kushner, Y. and Ting, M. (2014) Causes of increasing aridification of the Mediterranean region in response to rising greenhouse gases (2014), J. Clim., 27, 4655--4676
Simpson, I. R., Shaw, T. A. and Seager, R. (2014) A diagnosis of the seasonally and longitudinally varying mid-latitude circulation response to global warming (2014) J. Atmos. Sci., 71, 2489--2515
Simpson, I. R., Shepherd, T. G., Hitchcock, P and Scinocca, J. F. (2013) Southern Annular Mode dynamics in observations and models, part 2: eddy feedbacks. J. Clim., 26, 5220--5241
Simpson, I. R., Hitchcock, P., Shepherd, T. G. and Scinocca, J. F. (2013) Southern Annular Mode dynamics in observations and models, part 1: the influence of climatological zonal wind biases in a Comprehensive GCM. J. Clim., 26, 3953-3967
Simpson, I. R., Blackburn, M. and Haigh, J. D. (2012) A mechanism for the effect of tropospheric jet structure on the annular mode-like response to stratospheric forcing. J. Atmos. Sci., 69, 2152-2170
Simpson, I. R., Hitchcock, P., Shepherd, T. G. and Scinocca, J. F. (2011) Stratospheric variability and tropospheric annular mode timescales. Geophysical Research Letters, 38, L20806, doi:10.1029/2011GL049304
Simpson, I. R., Shepherd, T. G., Sigmond, M. (2011) Dynamics of the lower stratospheric circulation response to ENSO. Journal of the Atmospheric Sciences, 68, 2537-2556
Simpson, I. R., Blackburn M., Haigh J. D. and Sparrow, S. N. (2010) The impact of the state of the troposphere on the response to stratospheric heating in a simplified GCM. Journal of Climate, 23, 6166-6185
Simpson, I. R., Blackburn M. and Haigh J. D. (2009) The role of eddies in driving the tropospheric response to stratospheric heating perturbations. Journal of the Atmospheric Sciences, 66, 1347-1365
PHD thesis - Solar influence on stratosphere-troposphere dynamical coupling.