Steven Hardiman is now at the UK Met Office, Exeter, UK. The list of publications on this page is kept up to date.
May 2008 - : Stratospheric research scientist at the UK Met Office, Exeter, UK. Working with Dr Fiona O'Connor and Dr Neal Butchart.
Jan 2007 - April 2008: Postdoc in Atmospheric Physics, University of Toronto, Canada. Supervisor Prof Paul Kushner.
Sept 2003 - Dec 2006: PhD, "Stratosphere-Troposphere Dynamical Coupling", DAMTP, University of Cambridge, UK and UK Met Office, Exeter, UK. Supervisors Prof Peter Haynes and Dr Neal Butchart.
The Royal Meterological Society
Bushell, A. C., and S. C. Hardiman (2013), Middle Atmosphere Focus workshop: stretching the scientific capabilities of a middle atmosphere resolving General Circulation Model, Atmosph. Sci. Lett., 14: 54–57. doi:10.1002/asl2.413 [Not Peer Reviewed]
Osprey, Scott M., Lesley J. Gray, Steven C. Hardiman, Neal Butchart, and Tim J. Hinton (2013), Stratospheric variability in Twentieth-Century CMIP5 simulations of the Met Office climate model: High-top versus low-top, J. Climate, 26, 1595–1606. doi: http://dx.doi.org/10.1175/JCLI-D-12-00147.1
Hardiman, Steven C., Neal Butchart, Tim J. Hinton, Scott M. Osprey, and Lesley J. Gray (2012), The Effect of a Well-Resolved Stratosphere on Surface Climate: Differences between CMIP5 Simulations with High and Low Top Versions of the Met Office Climate Model, J. Climate, 25, 7083–7099. doi: http://dx.doi.org/10.1175/JCLI-D-11-00579.1
Seviour, W. J. M., N. Butchart, and S. C. Hardiman (2012), The Brewer–Dobson circulation inferred from ERA-Interim, Q.J.R. Meteorol. Soc., 138: 878–888. doi:10.1002/qj.966
Hardiman, Steven C., Neal Butchart, Andrew J. Charlton-Perez, Tiffany A. Shaw, Hideharu Akiyoshi, Andreas Baumgaertner, Slimane Bekki, Peter Braesicke, Martyn Chipperfield, Martin Dameris, Rolando R. Garcia, Martine Michou, Steven Pawson, Eugene Rozanov, and Kiyotaka Shibata (2011), Improved predictability of the troposphere using stratospheric final warmings, J. Geophys. Res., 116, D18113, 11 PP., doi:10.1029/2011JD015914
The HadGEM2 Development Team: Martin, G. M., N. Bellouin, W. J. Collins, I. D. Culverwell, P. R. Halloran, S. C. Hardiman, T. J. Hinton, C. D. Jones, R. E. McDonald, A. J. McLaren, F. M. O'Connor, M. J. Roberts, J. M. Rodriguez, S. Woodward, et al. (2011), The HadGEM2 family of Met Office Unified Model Climate Configurations, Geosci. Model Dev., 4, 723-757, doi:10.5194/gmd-4-723-2011
Jones, C. D., J. K. Hughes, N. Bellouin, S. C. Hardiman, G. Jones, J. Knight, S. Liddicoat, F. M. O'Connor, et al. (2011), The HadGEM2-ES Implementation of CMIP5 Centennial Simulations, Geosci. Model Dev., 4, 543-570, doi:10.5194/gmd-4-543-2011
Butchart, N., A. J. Charlton-Perez, I. Cionni, S. C. Hardiman, P. H. Haynes, K. Kruger, P. J. Kushner, P. A. Newman, S. M. Osprey, J. Perlwitz, M. Sigmond, L. Wang, et al. (2011), Multimodel climate and variability of the stratosphere, J. Geophys. Res., 116, D05102, 21 PP., doi:10.1029/2010JD014995
Osprey, Scott M., Lesley J. Gray, Steven C. Hardiman, Neal Butchart, Andrew C. Bushell, and Tim J. Hinton (2010), The Climatology of the Middle Atmosphere in a Vertically Extended Version of the Met Office's Climate Model. Part II: Variability, J. Atmos. Sci., 67(11), 3637-3651, doi:10.1175/2010JAS3338.1
Bushell, A. C., D. R. Jackson, N. Butchart, S. C. Hardiman, T. J. Hinton, S. M. Osprey, and L. J. Gray (2010), Sensitivity of GCM tropical middle atmosphere variability and climate to ozone and parameterized gravity wave changes, J. Geophys. Res., 115, D15101, doi:10.1029/2009JD013340
Hardiman, Steven C., David G. Andrews, Andy A. White, Neal Butchart, and Ian Edmond (2010), Using different formulations of the Transformed Eulerian Mean equations and EliassenPalm diagnostics in General Circulation Models, J. Atmos. Sci., 67(6), 1983-1995, doi:10.1175/2010JAS3355.1
Hardiman, S. C., N. Butchart, S. M. Osprey, L. J. Gray, A. C. Bushell, and T. J. Hinton (2010), The Climatology of the Middle Atmosphere in a Vertically Extended Version of the Met Office's Climate Model. Part I: Mean State, J. Atmos.Sci., 67(5), 1509-1525, doi:10.1175/2009JAS3337.1
Fletcher, C. G., S. C. Hardiman, P. J. Kushner, and J. Cohen (2009), The dynamical response to snow cover perturbations in a large ensemble of atmospheric GCM integrations, J. Climate, 22(5), 1208-1222, doi:10.1175/2008JCLI2505.1
Hardiman, S. C., and P. H. Haynes (2008), Dynamical sensitivity of the stratospheric circulation and downward influence of upper level perturbations, J. Geophys. Res., 113, D23103, doi:10.1029/2008JD010168
Hardiman, S. C., P. J. Kushner, and J. Cohen (2008), Investigating the ability of general circulation models to capture the effects of Eurasian snow cover on winter climate, J. Geophys. Res., 113, D21123, doi:10.1029/2008JD010623
Hardiman, S. C., N. Butchart, P. H. Haynes, and S. H. E. Hare (2007), A note on forced versus internal variability of the stratosphere, Geophys. Res. Lett., 34, L12803, doi:10.1029/2007GL029726
Charlton-Perez, A. J., et al. (2013), On the lack of stratospheric dynamical variability in low-top versions of the CMIP5 models, J. Geophys. Res. Atmos., 118, doi:10.1002/jgrd.50125
Anstey, J. A., et al. (2013), Multi-model analysis of Northern Hemisphere winter blocking: Model biases and the role of resolution, J. Geophys. Res. Atmos., 118, doi:10.1002/jgrd.50231.
Mitchell, D. M., et al. (2013), The Impact of Stratospheric Resolution on the Detectability of Climate Change Signals in the Free Atmosphere, Geophys. Res. Lett., 40, doi:10.1002/grl.50177
Morgenstern, O., et al. (2013), Impacts of climate change, ozone recovery, and increasing methane on surface ozone and the tropospheric oxidizing capacity, J. Geophys. Res., Atmos., 118, 1028–1041, doi:10.1029/2012JD018382
Mitchell, D. M., et al. (2012), The Effect of Climate Change on the Variability of the Northern Hemisphere Stratospheric Polar Vortex, J. Atmos. Sci., 69, 2608–2618, doi: http://dx.doi.org/10.1175/JAS-D-12-021.1
Mitchell, D. M., et al. (2012), The nature of Arctic polar vortices in chemistry–climate models, Q.J.R. Meteorol. Soc., 138: 1681–1691. doi: 10.1002/qj.1909
Strahan, S. E., et al. (2011), Using transport diagnostics to understand Chemistry Climate Model ozone simulations, J. Geophys. Res., 116, D17302, doi:10.1029/2010JD015360
Scaife, A. A., et al. (2011), Climate change projections and stratosphere--troposphere interaction, Clim. Dyn. 36, doi:10.1007/s00382-011-1080-7
Oman, L. D., et al. (2010), Multimodel assessment of the factors driving stratospheric ozone evolution over the 21st century, J. Geophys. Res., 115, D24306, doi:10.1029/2010JD014362
Ray, E. A., et al. (2010), Evidence for changes in stratospheric transport and mixing over the past three decades based on multiple data sets and tropical leaky pipe analysis, J. Geophys. Res., 115, D21304, doi:10.1029/2010JD014206
Austin, J., et al. (2010), Chemistry-climate model simulations of spring Antarctic ozone, J. Geophys. Res., 115, D00M11, doi:10.1029/2009JD013577
Austin, J., et al. (2010), Decline and recovery of total column ozone using a multimodel time series analysis, J. Geophys. Res., 115, D00M10, doi:10.1029/2010JD013857
Gettelman, A., et al. (2010), Multimodel assessment of the upper troposphere and lower stratosphere: Tropics and global trends, J. Geophys. Res., 115, D00M08, doi:10.1029/2009JD013638
Hegglin, M. I., et al. (2010), Multimodel assessment of the upper troposphere and lower stratosphere: Extratropics, J. Geophys. Res., 115, D00M09, doi:10.1029/2010JD013884
Son, S.-W., et al. (2010), Impact of stratospheric ozone on Southern Hemisphere circulation change: A multimodel assessment, J. Geophys. Res., 115, D00M07, doi:10.1029/2010JD014271
Eyring, V., et al. (2010), Multi-model assessment of stratospheric ozone return dates and ozone recovery in CCMVal-2 models, Atmos. Chem. Phys., 10, 9451-9472, doi:10.5194/acp-10-9451-2010
SPARC CCMVal (2010), SPARC Report on the Evaluation of Chemistry-Climate Models, V. Eyring, T. G. Shepherd, D. W. Waugh (Eds.), SPARC Report No. 5, WCRP-132, WMO/TD-No. 1526, http://www.atmosp.physics.utoronto.ca/SPARC.
Gerber, E. P., et al. (2010), Stratosphere-troposphere coupling and annular mode variability in chemistry-climate models, J. Geophys. Res., 115, D00M06, doi:10.1029/2009JD013770
Morgenstern, O., et al. (2010), Anthropogenic forcing of the Northern Annular Mode in CCMVal-2 models, J. Geophys. Res., 115, D00M03, doi:10.1029/2009JD013347
Morgenstern, O., et al. (2010), Review of the formulation of present-generation stratospheric chemistry-climate models and associated external forcings, J. Geophys. Res., 115, D00M02, doi:10.1029/2009JD013728
sch28 (at) atmosp.physics.utoronto.ca