Professor Jonathan Gregory

Professor (NCAS-Climate)

Web Pages:

Group: http://www.met.reading.ac.uk/research/nttg/

My research: http://www.met.rdg.ac.uk/~jonathan

Research interests and projects

My interests lie in understanding the processes responsible for changes in climate and sea level, as observed and as projected by atmosphere-ocean general circulation models (AOGCMs).

  • Sea-level change: processes of change in AOGCMs, causes of its simulated regional distribution, comparison of simulated change and variability with tide gauges and altimetry. I am the PI of project "Seachange", funded by an Advanced Grant of the European Research Council to carry out research on sea-level change due to ocean density and circulation change.
  • Ocean heat uptake: how it comes about in AOGCMs, why their results differ, what we can deduce from observations of change in the ocean interior. I am a co-investigator of the DEEP-C project, funded by NERC, on the energy budget of the climate system. Richard Allan is the PI.
  • Climate sensitivity: how to diagnose it, its dependence on climate and forcing, its usefulness and limitations.
  • Geographical patterns of climate change: how they are determined.
  • Development of the FAMOUS Earth system model. Robin Smith is the manager of FAMOUS.
  • Glacial-interglacial cycles: the mechanisms for these large changes of global land ice cover, atmospheric carbon dioxide concentration and climate. I am the PI of a project funded by a NERC standard grant on modelling the last glacial cycle with FAMOUS coupled to the Glimmer ice-sheet model. Tony Payne of the University of Bristol is a co-investigator and Robin Smith a research co-investigator.
  • Modelling future changes in ice sheets and their contribution to sea-level change. I am the co-investigator, with Tony Payne of the University of Bristol, of a project of the Joint Weather and Climate Research Programme of NERC and the Met Office on ice-sheet/ice-shelf modelling. I was leader of the workpackage on regional atmospheric climate modelling over the ice-sheets in the recently concluded (April 2013) EU Framework 7 project ice2sea.
  • Climate change and the Atlantic meridional overturning circulation: I was the PI for the UK model THC intercomparison project, which concluded in April 2011 and was part of the NERC RAPID programme.

IT interests

  • One of the authors of the CF metadata convention for climate data, which has been adopted as a standard by many climate centres and international projects.
  • Development of the Met Office IDL library for analysis and visualisation of climate data.
  • Contribution to the design of the cf-python package for analysis of climate data. David Hassell is the developer of cf-python.

Responsibilities

  • Advisor to the UK Earth system model project (UKESM), which is a joint project of NERC and the Met Office, led by Colin Jones.
  • Member of the Scientific Advisory Board for the Max Planck Institute for Meteorology.
  • Member of the conventions and standard name committees and the governance panel of the CF metadata convention.

Postdoctoral staff and PhD students

  • Robin Smith, who is a research scientist, the manager of the FAMOUS model, the research CoI of the project on the last glacial cycle, and the member of the UKESM core team responsible for ice-sheet modelling.
  • Till Kuhlbrodt, who is a research scientist and the member of the UKESM core team responsible for the low-resolution configuration.
  • David Hassell, who is a computational scientist working on the "Seachange" project.
  • Nathaelle Bouttes , who is a research scientist working on the "Seachange" project.
  • Roberto Fernandez Bilbao, who is a PhD student working on ocean heat uptake and sea-level change.

Back to Index

Recent Publications:

Jump to: 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1995 | 1993 | 1992 | 1991
Number of items: 140.

2014

Smith, R. S., Sutton, R. and Gregory, J. M. (2014) The impact of salinity perturbations on the future uptake of heat by the Atlantic Ocean. Geophysical Research Letters. ISSN 0094-8276 doi: 10.1002/2014GL062169 (In Press)

Andrews, T., Gregory, J. M. and Webb, M. J. (2014) The dependence of radiative forcing and feedback on evolving patterns of surface temperature change in climate models. Journal of Climate. ISSN 1520-0442 doi: 10.1175/JCLI-D-14-00545.1

Bouttes, N., Gregory, J.M., Kuhlbrodt, T. and Smith, R.S. (2014) The drivers of projected North Atlantic sea level change. Climate Dynamics, 43 (5-6). pp. 1531-1544. ISSN 0930-7575 doi: 10.1007/s00382-013-1973-8

Bouttes, N. and Gregory, J. M. (2014) Attribution of the spatial pattern of CO2-forced sea level change to ocean surface flux changes. Environmental Research Letters, 9. 034004. ISSN 1748-9326 doi: 10.1088/1748-9326/9/3/034004

Sherwood, S. C., Bony, S., Boucher, O., Bretherton, C., Forster, P. M., Gregory, J. M. and Stevens, B. (2014) Adjustments in the forcing-feedback framework for understanding climate change. Bulletin of the American Meteorological Society. ISSN 1520-0477 doi: 10.1175/BAMS-D-13-00167.1

Gregory, J.M., Church, J. A., Clark, P. U., Payne, A. J., Merrifield, M. A., Nerem, R. S., Nunn, P. D., Pfeffer, W. T. and Stammer, D. (2014) Comment on ``Expert assessment of sea-level rise by AD 2100 and AD 2300'', by Horton et al. (2014). Quaternary Science Reviews, 97. pp. 193-194. ISSN 0277-3791 doi: 10.1016/j.quascirev.2014.05.024

Edwards, T. L., Fettweis, X., Gagliardini, O., Gillet-Chaulet, F., Goelzer, H., Gregory, J.M., Hoffman, M., Huybrechts, P., Payne, A. J., Perego, M., Price, S., Quiquet, A. and Ritz, C. (2014) Effect of uncertainty in surface mass balance--elevation feedback on projections of the future sea level contribution of the Greenland ice sheet. The Cryosphere, 8. pp. 195-208. ISSN 1994-0424 doi: 10.5194/tc-8-195-2014

Marzeion, B., Jarosch, A. H. and Gregory, J. M. (2014) Feedbacks and mechanisms affecting the global sensitivity of glaciers to climate change. The Cryosphere, 8 (1). pp. 59-71. ISSN 1994-0424 doi: 10.5194/tc-8-59-2014

Exarchou, E., Kuhlbrodt, T., Gregory, J. M. and Smith, R. S. (2014) Ocean heat uptake processes: a model intercomparison. Journal of Climate. ISSN 1520-0442 doi: 10.1175/JCLI-D-14-00235.1

Edwards, T. L., Fettweis, X., Gagliardini, O., Gillet-Chaulet, F., Goelzer, H., Gregory, J.M., Hoffman, M., Huybrechts, P., Payne, A. J., Perego, M., Price, S., Quiquet, A. and Ritz, C. (2014) Probabilistic parameterisation of the surface mass balance--elevation feedback in regional climate model simulations of the Greenland ice sheet. The Cryosphere, 8 (1). pp. 181-194. ISSN 1994-0424 doi: 10.5194/tc-8-181-2014

2013

Good, P., Gregory, J. M., Lowe, J. A. and Andrews, T. (2013) Abrupt CO2 experiments as tools for predicting and understanding CMIP5 representative concentration pathway projections. Climate Dynamics, 40 (3-4). pp. 1041-1053. ISSN 0930-7575 doi: 10.1007/s00382-012-1410-4

Gregory, J. M., Bi, D., Collier, M. A., Dix, M. R., Hirst, A. C., Hu, A., Huber, M., Knutti, R., Marsland, S. J., Meinshausen, M., Rashid, H. A., Rotstayn, L. D., Schurer, A. and Church, J. A. (2013) Climate models without pre-industrial volcanic forcing underestimate historical ocean thermal expansion. Geophysical Research Letters, 40 (8). pp. 1600-1604. ISSN 0094-8276 doi: 10.1002/grl.50339

Zelinka, M. D., Klein, S. A., Taylor, K. E., Andrews, T., Webb, M. J., Gregory, J. M. and Forster, P. M. (2013) Contributions of different cloud types to feedbacks and rapid adjustments in CMIP5. Journal of Climate, 26 (14). pp. 5007-5027. ISSN 1520-0442 doi: 10.1175/JCLI-D-12-00555.1

Otto, A., Otto, F. E. L., Boucher, O., Church, J., Hegerl, G., Forster, P. M., Gillett, N. P., Gregory, J. M., Johnson, G. C., Knutti, R., Lewis, N., Lohmann, U., Marotzke, J., Myhre, G., Shindell, D., Stevens, B. and Allen, M. R. (2013) Energy budget constraints on climate response. Nature Geoscience, 6 (6). pp. 415-416. ISSN 1752-0894 doi: 10.1038/ngeo1836

Forster, P. M., Andrews, T., Good, P., Gregory, J. M., Jackson, L. S. and Zelinka, M. (2013) Evaluating adjusted forcing and model spread for historical and future scenarios in the CMIP5 generation of climate models. Journal of Geophysical Research, 118 (3). pp. 1139-1150. ISSN 0148-0227 doi: 10.1002/jgrd.50174

Church, J. A., Monselesan, D., Gregory, J. M. and Marzeion, B. (2013) Evaluating the ability of process based models to project sea-level change. Environmental Research Letters, 8. 014051. ISSN 1748-9326 doi: 10.1088/1748-9326/8/1/014051

Church, J. A., Clark, P. U., Cazenave, A., Gregory, J. M., Jevrejeva, S., Levermann, A., Merrifield, M. A., Milne, G. A., Nerem, R. S., Nunn, P. D., Payne, A. J., Pfeffer, W. T., Stammer, D. and Unnikrishnan, A. S. (2013) Sea level change. In: Climate Change 2013: The Physical Science Basis. Cambridge University Press, pp. 1137-1216. ISBN 9781107661820

Stocker, T. F., Qin, D., Plattner, G.-K., Alexander, L. V., Allen, S. K., Bindoff, N. L., Br\'on, F.-M., Church, J. A., Cubasch, U., Emori, S., Forster, P., Friedlingstein, P., Gillett, N., Gregory, J. M., Hartmann, D. L., Jansen, E., Kirtman, B., Knutti, R., Kumar, K. K., Lemke, P., Marotzke, J., Masson-Delmotte, V., Meehl, G. A., Mokhov, I., Piao, S., Ramaswamy, V., Randall, D., Rhein, M., Rojas, M., Sabine, C., Shindell, D., Talley, L. D., Vaughan, D. G. and Xie, S.-P. (2013) Technical summary. In: Climate Change 2013: The Physical Science Basis. Cambridge University Press. ISBN 9781107661820

Gregory, J. M., White, N. J., Church, J. A., Bierkens, M. F. P., Box, J. E., Van den Broeke, M. R., Cogley, J. G., Fettweis, X., Hanna, E., Huybrechts, P., Konikow, L. F., Leclercq, P. W., Marzeion, B., Oerlemans, J., Tamisiea, M. E., Wada, Y., Wake, L. M. and Van de Wal, R. S. W. (2013) Twentieth-century global-mean sea-level rise: is the whole greater than the sum of the parts? Journal of Climate, 26 (13). pp. 4476-4499. ISSN 1520-0442 doi: 10.1175/JCLI-D-12-00319.1

Butler, E. D., Oliver, K. I., Gregory, J. M. and Tailleux, R. (2013) The ocean's gravitational potential energy budget in a coupled climate model. Geophysical Research Letters, 40 (20). pp. 5417-5422. ISSN 0094-8276 doi: 10.1002/2013GL057996

Bouttes, N., Gregory, J. M. and Lowe, J. A. (2013) The reversibility of sea level rise. Journal of Climate, 26 (8). pp. 2502-2513. ISSN 1520-0442 doi: 10.1175/JCLI-D-12-00285.1

2012

Kuhlbrodt, T. and Gregory, J. (2012) Ocean heat uptake and its consequences for the magnitude of sea level rise and climate change. Geophysical Research Letters, 39 (18). L18608. ISSN 1944-8007 doi: 10.1029/2012GL052952

Kuhlbrodt, T., Smith, R. S., Wang, Z. and Gregory, J. M. (2012) The influence of eddy parameterizations on the transport of the Antarctic Circumpolar Current in coupled climate models. Ocean Modelling, 52-53. pp. 1-8. ISSN 1463-5003 doi: 10.1016/j.ocemod.2012.04.006

Pascale, S., Gregory, J. M., Ambaum, M. H. P. and Tailleux, R. (2012) A parametric sensitivity study of entropy production and kinetic energy dissipation using the FAMOUS AOGCM. Climate Dynamics, 38 (5-6). pp. 1211-1227. ISSN 0930-7575 doi: 10.1007/s00382-011-0996-2

Smith, R. and Gregory, J. (2012) The last glacial cycle: transient simulations with an AOGCM. Climate Dynamics, 38 (7-8). pp. 1545-1559. ISSN 0930-7575 doi: 10.1007_s00382-011-1283-y

Sijp, W.P., England, M.H. and Gregory, J. (2012) Precise calculations of the existence of multiple AMOC equilibria in coupled climate models Part I: equilibrium states. Journal of Climate, 25 (1). pp. 282-298. ISSN 1520-0442 doi: 10.1175/2011JCLI4245.1

Woollings, T., Gregory, J. M., Pinto, J. G., Reyers, M. and Brayshaw, D. J. (2012) Response of the North Atlantic storm track to climate change shaped by ocean–atmosphere coupling. Nature Geoscience, 5 (5). pp. 313-317. ISSN 1752-0894 doi: 10.1038/ngeo1438

Pascale, S., Gregory, J., Ambaum, M. H. P., Tailleux, R. and Lucarini, V. (2012) Vertical and horizontal processes in the global atmosphere and the maximum entropy production conjecture. Earth System Dynamics, 3. pp. 19-32. ISSN 2190-4987 doi: 10.5194/esd-3-19-2012

Bouttes, N., Gregory, J. M., Kuhlbrodt, T. and Suzuki, T. (2012) The effect of windstress change on future sea level change in the Southern Ocean. Geophysical Research Letters, 39 (23). L23602. ISSN 0094-8276 doi: 10.1029/2012GL054207

Sijp, W. P., Gregory, J. M., Tailleux, R. and Spence, P. (2012) The key role of the western boundary in linking the AMOC strength to the north-south pressure gradient. Journal of Physical Oceanography. ISSN 1520-0485 (In Press)

2011

Gregory, J. M. and Tailleux, R. (2011) Kinetic energy analysis of the response of the Atlantic meridional overturning circulation to CO2-forced climate change. Climate Dynamics, 37 (5-6). pp. 893-914. ISSN 1432-0894 doi: 10.1007/s00382-010-0847-6

Church, J. A., Gregory, J. M., White, N. J., Platten, S. M. and Mitrovica, J. X. (2011) Understanding and projecting sea level change. Oceanography, 24 (2). pp. 130-143. ISSN 1042-8275

Hawkins, E., Smith, R. S., Allison, L. C., Gregory, J. M., Woollings, T. J., Pohlmann, H. and de Cuevas, B. (2011) Bistability of the Atlantic overturning circulation in a global climate model and links to ocean freshwater transport. Geophysical Research Letters, 38 (10). L10605. ISSN 0094-8276 doi: 10.1029/2011GL047208

Pascale, S., Gregory, J. M., Ambaum, M. H.P. and Tailleux, R. G. J. (2011) Climate entropy budget of the HadCM3 atmosphere-ocean general circulation model and of FAMOUS, its low resolution version. Climate Dynamics, 36 (5-6). pp. 1189-1206. ISSN 0930-7575 doi: 10.1007/s00382-009-0718-1

Balan Sarojini, B., Gregory, J. M., Tailleux, R., Bigg, G.R., Blaker, A.T., Cameron, D., Edwards, N.R., Megann, A.P., Shaffrey, L. C. and Sinha, B. (2011) High frequency variability of the Atlantic meridional overturning circulation. Ocean Science Discussion, 8. pp. 219-246. ISSN 1812-0784 doi: 10.5194/osd-8-219-2011

Balan Sarojini, B., Gregory, J., Tailleux, R., Bigg, G.R., Blaker, A.T., Cameron, D.R., Edwards, N.R., Megann, A.P., Shaffrey, L. and Sinha, B. (2011) High frequency variability of the Atlantic meridional overturning circulation. Ocean Science, 7 (4). pp. 471-486. ISSN 1812-0784 doi: 10.5194/os-7-471-2011

Gregory, J. M. and Tailleux, R. (2011) Kinetic energy analysis of the response of the Atlantic meridional overturning circulation to CO2-forced climate change. Climate Dynamics, 37 (5-6). pp. 893-914. ISSN 1432-0894 doi: 10.1007/s00382-010-0847-6

Church, J. A., White, N. J., Konikow, L. F., Domingues, C. M., Cogley, J. G., Rignot, E., Gregory, J. M., Van den Broeke, M. R., Monaghan, A. J. and Velicogna, I. (2011) Revisiting the Earth's sea-level and energy budgets from 1961 to 2008. Geophysical Research Letters, 38. L18601. ISSN 0094-8276 doi: 10.1029/2011GL048794

Pardaens, A. K., Gregory, J. M. and Lowe, J. A. (2011) A model study of factors influencing projected changes in regional sea level over the 21st century. Climate Dynamics, 36 (9-10). pp. 2015-2033. ISSN 1432-0894 doi: 10.1007/s00382-009-0738-x

2010

Lowe, J. A. and Gregory, J. M. (2010) A sea of uncertainty. Nature Reports Climate Change. pp. 42-43. ISSN 1753-9315 doi: 10.1038/climate.2010.30

Siddall, M., Abe-Ouchi, A., Andersen, M., Antonioli, F., Bamber, J., Bard, E., Clark, J., Clark, P., Deschamps, P., Dutton, A., Elliot, M., Gallup, C., Gomez, N., Gregory, J. M., Huybers, P., Kawarnura, K., Kelly, M., Lambeck, K., Lowell, T., Milrovica, J., Otto-Bliesner, B., Richards, D., Stanford, J., Stirling, C., Stocker, T., Thomas, A., Thompson, B., Toernqvist, T., Riveiros, N. V., Waelbroeck, C., Yokoyama, Y., Yu, S. and PALSEA Level WorkingGrp, (2010) The sea-level conundrum: case studies from palaeo-archives. Journal of Quaternary Science, 25 (1). pp. 19-25. ISSN 0267-8179 doi: 10.1002/jqs.1270

Gregory, J. M. (2010) Long-term effect of volcanic forcing on ocean heat content. Geophysical Research Letters, 37. L22701. ISSN 0094-8276 doi: 10.1029/2010GL045507

Ridley, J., Gregory, J. M., Huybrechts , P. and Lowe, J. (2010) Thresholds for irreversible decline of the Greenland ice sheet. Climate Dynamics, 35 (6). pp. 1049-1057. ISSN 0930-7575 doi: 10.1007/s00382-009-0646-0

2009

Gregory, J. M., Jones, C. D., Cadule, P. and Friedlingstein, P. (2009) Quantifying carbon-cycle feedbacks. Journal of Climate, 22 (19). pp. 5232-5250. ISSN 1520-0442 doi: 10.1175/2009JCLI2949.1

Smith, R. S. and Gregory, J. M. (2009) A study of the sensitivity of ocean overturning circulation and climate to freshwater input in different regions of the North Atlantic. Geophysical Research Letters, 36. L15701. ISSN 0094-8276 doi: 10.1029/2009GL038607

Andrews, T., Forster, P. M. and Gregory, J. M. (2009) A surface energy perspective on climate change. Journal of Climate, 22 (10). pp. 2557-2570. ISSN 1520-0442 doi: 10.1175/2008JCLI2759.1

Siddall, M., Clark, P., Thompson, W., Waelbroeck, C., Gregory, J. M. and Stocker, T. (2009) The sea level conundrum: insights from paleo studies. EOS transactions, 90 (9 ). pp. 72-73. ISSN 0096-3941 doi: DOI:10.1029/2009EO090007, 2009

Doutriaux-Boucher, M., Webb, M. J., Gregory, J. M. and Boucher, O. (2009) Carbon dioxide induced stomatal closure increases radiative forcing of climate via a rapid reduction in low cloud. Geophysical Research Letters, 36. L02703. ISSN 0094-8276 doi: 10.1029/2008GL036273

Dong, B., Gregory, J. M. and Sutton, R. T. (2009) Understanding land-sea warming contrast in response to increasing greenhouse gases. Part I: Transient adjustment. Journal of Climate, 22 (11). pp. 3079-3097. ISSN 1520-0442 doi: 10.1175/2009JCLI2652.1

2008

Joshi, M. and Gregory, J. (2008) Dependence of the land-sea contrast in surface climate response on the nature of the forcing. Geophysical Research Letters, 35 (24). L24802. ISSN 0094-8276 doi: 10.1029/2008GL036234

Gregory, J.M. and Forster, P.M. (2008) Transient climate response estimated from radiative forcing and observed temperature change. Journal of Geophysical Research, 113 (D23). D23105. ISSN 0148-0227 doi: 10.1029/2008JD010405

Smith, R.S., Gregory, J.M. and Osprey, A. (2008) A description of the FAMOUS (version XDBUA) climate model and control run. Geoscientific Model Development, 1 (1). pp. 53-68.

Gregory, J.M. (2008) Sea level rise: what makes prediction so difficult? Planet Earth, Spring. pp. 24-27.

Solomon, S., Alley, R., Gregory, J.M., Lemke, P. and Manning, M. (2008) A closer look at the IPCC report. Science, 319 (5862). pp. 409-410. ISSN 1095-9203 doi: 10.1126/science.319.5862.409c

Joshi, M. M., Gregory, J. M., Webb, M. J., Sexton, D. M.H. and Johns, T. C. (2008) Mechanisms for the land/sea warming contrast exhibited by simulations of climate change. Climate Dynamics, 30 (5). pp. 455-465. ISSN 0930-7575 doi: 10.1007/s00382-007-0306-1

Williams, K.D., Ingram, W.J. and Gregory, J.M. (2008) Time variation of effective climate sensitivity in GCMs. Journal of Climate, 21 (19). pp. 5076-5090. ISSN 1520-0442 doi: 10.1175/2008JCLI2371.1

Gregory, J.M. and Webb, M.J. (2008) Tropospheric adjustment induces a cloud component in CO2 forcing. Journal of Climate, 21 (1). pp. 58-71. ISSN 1520-0442 doi: 10.1175/2007JCLI1834.1

Knutti, R., Allen, M.R., Friedlingstein, P., Gregory, J.M., Hegerl, G.C., Meehl, G.A., Meinshausen, M., Murphy, J.M., Plattner, G.-K., Raper, S.C.B., Stocker, T.F. and Stott, P.A. (2008) A review of uncertainties in global temperature projections over the twenty-first century. Journal of Climate, 21 (11). pp. 2651-2663. ISSN 1520-0442 doi: 10.1175/2007JCLI2119.1

2007

Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G. (2007) A new feedback on climate change from the hydrological cycle. Geophysical Research Letters, 34 (8). L08706. ISSN 0094-8276 doi: 10.1029/2007GL029275

Sutton, R., Dong, B. and Gregory, J. (2007) Land/sea warming ratio in response to climate change: IPCC AR4 model results and comparison with observations. Geophysical Research Letters, 34. L02701. ISSN 0094-8276 doi: 10.1029/2006GL028164

Meehl, G. A., Stocker, T. F., Collins, W. D., Friedlingstein, A. T., Gaye, A. T., Gregory, J. M., Kitoh, A., Knutti, R., Murphy, J. M., Noda, A., Raper, S. C. B., Watterson, I. G., Weaver, A. J. and Zhao, Z. (2007) Global Climate Projections. In: Soloman, S., Qin, D., Manning, M., Marquis, M., Averyt, K., Tignor, M. M. B., Miller, H. J. and Chen, Z. (eds.) Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, pp. 747-845. ISBN 9780521880091

Bindoff, N. L., Willebrand, J., Artale, V., Cazenave, A., Gregory, J. M., Gulev, S., Hanawa, K., Le Quere, C., Levitus, S., Nojiri, Y., Shum, C. K., Talley, L. D. and Unnikrishnan, A. S. (2007) Observations: Oceanic Climate Change and Sea Level. In: Solomon, S. (ed.) Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, pp. 385-497. ISBN 9780521880091

Tett, S.F.B., Betts, R., Crowley, T.J., Gregory, J. M., Johns, T.C., Jones, A., Osborn, T.J., Ostrom, E., Roberts, D.L. and Woodage, M. J. (2007) The impact of natural and anthropogenic forcings on climate and hydrology since 1550. Climate Dynamics, 28 (1). pp. 3-34. ISSN 0930-7575 doi: 10.1007/s00382-006-0165-1

2006

Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G. (2006) On the climate response of the low-latitude Pacific Ocean to changes in the global freshwater cycle. Climate Dynamics, 27 (6). pp. 593-611. ISSN 0930-7575 doi: 10.1007/s00382-006-0151-7

Pierce, D. W., Barnett, T. P., AchutaRao, K. M., Gleckler, P. J., Gregory, J. M. and Washington, W. M. (2006) Anthropogenic warming of the oceans: Observations and model results. Journal Of Climate, 19 (10). pp. 1873-1900. ISSN 1520-0442

McLaren, A. J., Banks, H. T., Durman, C. F., Gregory, J. M., Johns, T. C., Keen, A. B., Ridley, J. K., Roberts, M. J., Lipscomb, W. H., Connolley, W. M. and Laxon, S. W. (2006) Evaluation of the sea ice simulation in a new coupled atmosphere-ocean climate model (HadGEM1). Journal of Geophysical Research, 111 (C12). ISSN 0148-0227 doi: 10.1029/2005JC003033

Gregory, J. M. and Huybrechts, P. (2006) Ice-sheet contributions to future sea-level change. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, 364 (1844). pp. 1709-1731.

Stouffer, R. J., Yin, J., Gregory, J. M., Dixon, K. W., Spelman, M. J., Hurlin, W., Weaver, A. J., Eby, M., Flato, G. M., Hasumi, H., Hu, A., Jungclaus, J. H., Kamenkovich, I. V., Levermann, A., Montoya, M., Murakami, S., Nawrath, S., Oka, A., Peltier, W. R., Robitaille, D. Y., Sokolov, A., Vettoretti, G. and Weber, S. L. (2006) Investigating the causes of the response of the thermohaline circulation to past and future climate changes. Journal Of Climate, 19 (8). pp. 1365-1387. ISSN 1520-0442

Gleckler, P. J., AchutaRao, K., Gregory, J. M., Santer, B. D., Taylor, K. E. and Wigley, T. M. L. (2006) Krakatoa lives: The effect of volcanic eruptions on ocean heat content and thermal expansion. Geophysical Research Letters, 33 (17). doi: 10.1029/2006GL026771

Gleckler, P. J., Wigley, T. M. L., Santer, B. D., Gregory, J. M., AchutaRao, K. and Taylor, K. E. (2006) Krakatoa's signature persists in the ocean. Nature, 439 (7077). p. 675. ISSN 0028-0836

Banks, H. T. and Gregory, J. M. (2006) Mechanisms of ocean heat uptake in a coupled climate model and the implications for tracer based predictions of ocean heat uptake. Geophysical Research Letters, 33 (7). ISSN 0094-8276 doi: 10.1029/2005GL025352.

Allen, M. R., Andronova, N., Booth, B., Dessai, S., Frame, D., Forest, C., Gregory, J. M., Hegerl, G., Knutti, R., Piani, C., Sexton, D. and Stainforth, D. (2006) Observational constraints on climate sensitivity. In: Schellnhuber, H. J., Cramer, W. P., Nakicenovic, N., Wigley, T. M. L. and Yohe, G. (eds.) Avoiding dangerous climate change. Cambridge University Press, Cambridge, pp. 281-290.

Stott, P. A., Mitchell, J. F. B., Allen, M. R., Delworth, T. L., Gregory, J. M., Meehl, G. A. and Santer, B. D. (2006) Observational constraints on past attributable warming and predictions of future global warming. Journal Of Climate, 19 (13). pp. 3055-3069. ISSN 1520-0442

Gregory, J. M., Lowe, J. A. and Tett, S. F. B. (2006) Simulated global-mean sea level changes over the last half-millennium. Journal Of Climate, 19 (18). pp. 4576-4591. ISSN 1520-0442

Wood, R., Collins, M., Gregory, J. M., Harris, G. and Vellinga, M. (2006) Towards a risk assessment for shutdown of the Atlantic thermohaline circulation. In: Schellnhuber, H. J., Cramer, W. P., Nakicenovic, N., Wigley, T. M. L. and Yohe, G. (eds.) Avoiding dangerous climate change. Cambridge University Press, Cambridge, pp. 49-54.

Lowe, J. A. and Gregory, J. M. (2006) Understanding projections of sea level rise in a Hadley Centre coupled climate model. Journal of Geophysical Research, 111 (C11). ISSN 0148-0227 doi: 10.1029/2005JC003421

Forster, P. M. D. and Gregory, J. M. (2006) The climate sensitivity and its components diagnosed from Earth Radiation Budget data. Journal Of Climate, 19 (1). pp. 39-52. ISSN 1520-0442

Hewitt, C. D., Broccoli, A. J., Crucifix, M., Gregory, J. M., Mitchell, J. F. B. and Stouffer, R. J. (2006) The effect of a large freshwater perturbation on the glacial north Atlantic Ocean using a coupled general circulation model. Journal Of Climate, 19 (17). pp. 4436-4447. ISSN 1520-0442

Johns, T. C., Durman, C. F., Banks, H. T., Roberts, M. J., McLaren, A. J., Ridley, J. K., Senior, C. A., Williams, K. D., Jones, A., Rickard, G. J., Cusack, S., Ingram, W. J., Crucifix, M., Sexton, D. M. H., Joshi, M. M., Dong, B. W., Spencer, H., Hill, R. S. R., Gregory, J. M., Keen, A.B., Pardaens, A. K., Lowe, J. A., Bodas-Salcedo, A., Stark, S. and Searl, Y. (2006) The new Hadley Centre climate model HadGEM1: evaluation of coupled simulations. Journal Of Climate, 19. pp. 1327-1353. ISSN 1520-0442

Lowe, J. A., Gregory, J. M., Ridley, J. K., Huybrechts, P., Nicholls, R. J. and Collins, M. (2006) The role of sea-level rise and the Greenland ice sheet in dangerous climate change: implications for the stabilisation of climate. In: Schellnhuber, H. J., Cramer, W. P., Nakicenovic, N., Wigley, T. M. L. and Yohe, G. (eds.) Avoiding dangerous climate change. Cambridge University Press, Cambridge, pp. 29-36.

2005

Jones, G. S., Gregory, J. M., Stott, P. A., Tett, S. F. B. and Thorpe, A. J. (2005) An AOGCM simulation of the climate response to a volcanic super-eruption. Climate Dynamics, 25. pp. 725-738.

White, N. J., Church, J. A. and Gregory, J. M. (2005) Coastal and global averaged sea level rise for 1950 to 2000. Geophysical Research Letters, 32 (1). doi: 10.1029/2004GL021391

Frame, D. J., Booth, B. B. B., Kettleborough, J. A., Stainforth, D. A., Gregory, J. M., Collins, M. and Allen, M. R. (2005) Constraining climate forecasts: The role of prior assumptions. Geophysical Research Letters, 32 (9). doi: 10.1029/2004GL022241

Ridley, J. K., Huybrechts, P., Gregory, J. M. and Lowe, J. A. (2005) Elimination of the Greenland Ice Sheet in a High CO2 Climate. Journal Of Climate, 18 (17). pp. 3409-3427. ISSN 1520-0442 doi: 10.1175/JCLI3482.1

Woodworth, P. L., Gregory, J. M. and Nicholls, R. J. (2005) Long term sea level changes and their impacts. In: Robinson, A. R. and Brink, K. H. (eds.) The global coastal ocean : multiscale interdisciplinary processes. The sea, ideas and observations on progress in the study of the seas ; v. 13. Harvard University Press, Cambridge, Mass.; London, pp. 715-753.

Barnett, T. P., Pierce, D. W., AchutaRao, K. M., Gleckler, P. J., Santer, B. D., Gregory, J. M. and Washington, W. M. (2005) Penetration of human-induced warming into the world's oceans. Science, 309 (5732). pp. 284-287.

Jones, C., Gregory, J., Thorpe, R., Cox, P., Murphy, J., Sexton, D. and Valdes, P. (2005) Systematic optimisation and climate simulation of FAMOUS, a fast version of HadCM3. Climate Dynamics, 25 (2-3). pp. 189-204.

Lowe, J. A. and Gregory, J. M. (2005) The effects of climate change on storm surges around the United Kingdom. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, 363 (1831). pp. 1313-1328. doi: 10.1098/rsta.2005.1570

Gregory, J. M., Dixon, K. W., Stouffer, R. J., Weaver, A. J., Driesschaert, E., Eby, M., Fichefet, T., Hasumi, H., Hu, A., Jungclaus, J. H., Kamenkovich, I. V., Levermann, A., Montoya, M., Murakami, S., Nawrath, S., Oka, A., Sokolov, A. P. and Thorpe, R. B. (2005) A model intercomparison of changes in the Atlantic thermohaline circulation in response to increasing atmospheric CO2 concentration. Geophysical Research Letters, 32 (12). doi: 10.1029/2005GL023209

2004

Toniazzo, T., Gregory, J. M. and Huybrechts, P. (2004) Climatic impact of a Greenland deglaciation and its possible irreversibility. Journal Of Climate, 17 (1). pp. 21-33. ISSN 1520-0442

Roberts, M. J., Banks, H., Gedney, N., Gregory, J., Hill, R., Mullerworth, S., Pardaens, A., Rickard, G., Thorpe, R. and Wood, R. (2004) Impact of an eddy-permitting ocean resolution on control and climate change simulations with a global coupled GCM. Journal Of Climate, 17 (1). pp. 3-20. ISSN 1520-0442

Huybrechts, P., Gregory, J., Janssens, I. and Wild, M. (2004) Modelling Antarctic and Greenland volume changes during the 20th and 21st centuries forced by GCM time slice integrations. Global and Planetary Change, 42 (1-4). pp. 83-105.

Connolley, W. M., Gregory, J. M., Hunke, E. and McLaren, A. J. (2004) On the consistent scaling of terms in the sea-ice dynamics equation. Journal of Physical Oceanography, 34 (7). pp. 1776-1780.

Gregory, J. M., Banks, H. T., Stott, P. A., Lowe, J. A. and Palmer, M. D. (2004) Simulated and observed decadal variability in ocean heat content. Geophysical Research Letters, 31 (15). L15312. doi: 10.1029/2004GL020258

Gregory, J. M., Huybrechts, P. and Raper, S. C. B. (2004) Threatened loss of the Greenland ice-sheet. Nature, 428 (6983). p. 616.

Gregory, J. M., Ingram, W. J., Palmer, M. A., Jones, G. S., Stott, P. A., Thorpe, R. B., Lowe, J. A., Johns, T. C. and Williams, K. D. (2004) A new method for diagnosing radiative forcing and climate sensitivity. Geophysical Research Letters, 31 (3). L03205. doi: 10.1029/2003GL018747

2003

Johns, T.C., Gregory, J.M., Ingram, W.J., Johnson, C.E., Jones, A. K., Lowe, J.A., Mitchell, J.F.B., Roberts, D.L., Sexton, D.M.H., Stevenson, D.S., Tett, S.F.B. and Woodage, M.J. (2003) Anthropogenic climate change for 1860 to 2100 simulated with the HadCM3 model under updated emissions scenarios. Climate Dynamics, 20. pp. 583-612.

Woodworth, P.L. and Gregory, J.M. (2003) Benefits of GRACE and GOCE to sea level studies. Space Sci. Rev., 108. pp. 307-317.

Pardaens, A.K., Banks, H.T., Gregory, J.M. and Rowntree, P.R. (2003) Freshwater transports in HadCM3. Climate Dynamics, 21. pp. 177-195.

Saenko, O.A., Weaver, A.J. and Gregory, J.M. (2003) On the link between the two modes of the ocean thermohaline circulation and the formation of global-scale water masses. Journal Of Climate, 16. pp. 2797-2801. ISSN 1520-0442

Gregory, J. M., Saenko, O. A. and Weaver, A. J. (2003) The role of the Atlantic freshwater balance in the hysteresis of the meridional overturning circulation. Climate Dynamics, 21 (7-8). pp. 707-717.

2002

Gregory, J. M. and Church, J. A. (2002) Changes in sea-level. Weather, 57 (8). pp. 287-295. ISSN 0043-1656 doi: 10.1256/004316502320517380

Banks, H. T., Wood, R. A. and Gregory, J. M. (2002) Changes to Indian Ocean subantarctic mode water in a coupled climate model as CO2 forcing increases. Journal of Physical Oceanography, 32 (10). pp. 2816-2827. ISSN 0022-3670 doi: 10.1175/1520-0485(2002)032<2816:CTIOSM>2.0.CO;2

Saenko, O. A., Gregory, J. M., Weaver, A. J. and Eby, M. (2002) Distinguishing the influence of heat, freshwater, and momentum fluxes on ocean circulation and climate. Journal of Climate, 15 (24). pp. 3686-3697. ISSN 1520-0442 doi: 10.1175/1520-0442(2002)015<3686:DTIOHF>2.0.CO;2

Ponte, R. M., Rajamony, J. and Gregory, J. M. (2002) Ocean angular momentum signals in a climate model and implications for Earth rotation. Climate Dynamics, 19 (2). pp. 181-190. ISSN 0930-7575 doi: 10.1007/s00382-001-0216-6

Vellinga, M., Wood, R. A. and Gregory, J. M. (2002) Processes governing the recovery of a perturbed thermohaline circulation in HadCM3. Journal of Climate, 15 (7). pp. 764-780. ISSN 1520-0442 doi: 10.1175/1520-0442(2002)015<0764:PGTROA>2.0.CO;2

Gregory, J. M., Stott, P. A., Cresswell, D. J., Rayner, N. A., Gordon, C. and Sexton, D. M. H. (2002) Recent and future changes in Arctic sea ice simulated by the HadCM3 AOGCM. Geophysical Research Letters, 29 (24). 2175. ISSN 0094-8276 doi: 10.1029/2001GL014575

Gregory, J. M., Stouffer, R. J., Raper, S. C. B., Stott, P. A. and Rayner, N. A. (2002) An observationally based estimate of the climate sensitivity. Journal of Climate, 15 (22). pp. 3117-3121. ISSN 1520-0442 doi: 10.1175/1520-0442(2002)015<3117:AOBEOT>2.0.CO;2

Raper, S. C. B., Gregory, J. M. and Stouffer, R. J. (2002) The role of climate sensitivity and ocean heat uptake on AOGCM transient temperature response. Journal of Climate, 15 (1). pp. 124-130. ISSN 1520-0442 doi: 10.1175/1520-0442(2002)015<0124:TROCSA>2.0.CO;2

2001

Thorpe, R. B., Gregory, J. M., Johns, T. C., Wood, R. A. and Mitchell, J. F. B. (2001) Mechanisms determining the Atlantic thermohaline circulation response to greenhouse gas forcing in a non-flux-adjusted coupled climate model. Journal of Climate, 14 (14). pp. 3102-3116. ISSN 1520-0442 doi: 10.1175/1520-0442(2001)014<3102:MDTATC>2.0.CO;2

Church, J. A., Gregory, J. M., Huybrechts, P., Kuhn, M., Lambeck, K., Nhuan, M. T., Qin, D. and Woodworth, P. L. (2001) Changes in sea level. In: Houghton, J. T., Ding, Y., Griggs, D. J., Noguer, M., van der Linden, P. J., Dai, X., Maskell, K. and Johnson, C. A. (eds.) Climate change 2001: the scientific basis. Contribution of working group I to the third assessment report of the intergovernmental panel on climate change. Cambridge University Press, pp. 639-693. ISBN 0521807670 (Chapter 11)

Lowe, J. A., Gregory, J. M. and Flather, R. A. (2001) Changes in the occurrence of storm surges around the United Kingdom under a future climate scenario using a dynamic storm surge model driven by the Hadley Centre climate models. Climate Dynamics, 18 (3-4). pp. 179-188. ISSN 0930-7575 doi: 10.1007/s003820100163

Gregory, J. M., Church, J. A., Boer, G. J., Dixon, K. W., Flato, G. M., Jackett, D. R., Lowe, J. A., O'Farrell, S. P., Roeckner, E., Russell, G. L., Stouffer, R. J. and Winton, M. (2001) Comparison of results from several AOGCMs for global and regional sea-level change 1900-2100. Climate Dynamics, 18 (3-4). pp. 225-240. ISSN 0930-7575 doi: 10.1007/s003820100180

Johns, T. C., Gregory, J. M., Stott, P. A. and Mitchell, J. F. B. (2001) Correlations between patterns of 19th and 20th century surface temperature change and HadCM2 Climate Model ensembles. Geophysical Research Letters, 28 (6). pp. 1007-1010. ISSN 0094-8276 doi: 10.1029/2000GL011861

Church, J. A. and Gregory, J. M. (2001) Sea level change. In: Steele, J. H., Turekian, K. K. and Thorpe, S. A. (eds.) Encyclopedia of Ocean Sciences. Academic Press, pp. 2599-2604. ISBN 9780122274305 doi: 10.1006/rwos.2001.0268

Raper, S. C. B., Gregory, J. M. and Osborn, T. J. (2001) Use of an upwelling-diffusion energy balance climate model to simulate and diagnose A/OGCM results. Climate Dynamics, 17 (8). pp. 601-613. ISSN 0930-7575 doi: 10.1007/PL00007931

Durman, C. F., Gregory, J. M., Hassell, D. C., Jones, R. G. and Murphy, J. M. (2001) A comparison of extreme European daily precipitation simulated by a global and a regional climate model for present and future climates. Quarterly Journal of the Royal Meteorological Society, 127 (573). pp. 1005-1015. ISSN 1477-870X doi: 10.1002/qj.49712757316

2000

Banks, H. T., Wood, R. A., Gregory, J. M., Johns, T. C. and Jones, G. S. (2000) Are observed decadal changes in intermediate water masses a signature of anthropogenic climate change? Geophysical Research Letters, 27 (18). pp. 2961-2964. ISSN 0094-8276 doi: 10.1029/2000GL011601

Gregory, J. M., Tett, S. F. B. and Hibling, E. L. (2000) Camelot – a database for climate model output. Meteorological Applications, 7 (1). pp. 83-90. ISSN 1469-8080 doi: 10.1017/S1350482700001444

Gregory, J. M. and Lowe, J. A. (2000) Predictions of global and regional sea-level rise using AOGCMs with and without flux adjustment. Geophysical Research Letters, 27 (19). pp. 3069-3072. ISSN 0094-8276 doi: 10.1029/1999GL011228

Gregory, J. M. (2000) Vertical heat transports in the ocean and their effect on time-dependent climate change. Climate Dynamics, 16 (7). pp. 501-515. ISSN 0930-7575 doi: 10.1007/s003820000059

Gordon, C., Cooper, C., Senior, C. A., Banks, H., Gregory, J. M., Johns, T. C., Mitchell, J. F. B. and Wood, R. A. (2000) The simulation of SST, sea ice extents and ocean heat transports in a version of the Hadley Centre coupled model without flux adjustments. Climate Dynamics, 16 (2-3). pp. 147-168. ISSN 0930-7575 doi: 10.1007/s003820050010

1999

Osborn, T. J., Conway, D., Hulme, M., Gregory, J. M. and Jones, P. D. (1999) Air flow influences on local climate: observed and simulated mean relationships for the United Kingdom. Climate Research, 13 (3). pp. 173-191. ISSN 0936-577X doi: 10.3354/cr013173

Wood, R. A., Keen, A. B., Mitchell, J. F. B. and Gregory, J. M. (1999) Changing spatial structure of the thermohaline circulation in response to atmospheric CO2 forcing in a climate model. Nature, 399. pp. 572-575. ISSN 0028-0836 doi: 10.1038/21170

1998

Gregory, J. M. and Oerlemans, J. (1998) Simulated future sea-level rise due to glacier melt based on regionally and seasonally resolved temperature changes. Nature, 391. pp. 474-476. ISSN 0028-0836 doi: 10.1038/35119

1997

Karl, T. R., Nicholls, N. and Gregory, J. M. (1997) The coming climate. Scientific American, 276. pp. 78-83. ISSN 0036-8733 doi: 10.1038/scientificamerican0597-78

Hennessy, K. J., Gregory, J. M. and Mitchell, J. F. B. (1997) Changes in daily precipitation under enhanced greenhouse conditions. Climate Dynamics, 13 (9). pp. 667-680. ISSN 0930-7575 doi: 10.1007/s003820050189

Gregory, J. M., Mitchell, J. F. B. and Brady, A. J. (1997) Summer drought in northern midlatitudes in a time-dependent CO2 climate experiment. Journal of Climate, 10 (4). pp. 662-686. ISSN 1520-0442 doi: 10.1175/1520-0442(1997)010<0662:SDINMI>2.0.CO;2

Gregory, J. M. and Mitchell, J. F. B. (1997) The climate response to CO2 of the Hadley Centre coupled AOGCM with and without flux adjustment. Geophysical Research Letters, 24 (15). pp. 1943-1946. ISSN 0094-8276 doi: 10.1029/97GL01930

Harvey, D., Gregory, J. M., Hoffert, M., Jain, A., Lal, M., Leemans, R., Raper, S., Wigley, T. and de Wolde, J. (1997) An introduction to simple climate models used in the IPCC second assessment report. IPCC Technical Paper (II). Intergovernmental Panel on Climate Change. ISBN 9291691011

Johns, T. C., Carnell, R. E., Crossley, J. F., Gregory, J. M., Mitchell, J. F. B., Senior, C. A., Tett, S. F. B. and Wood, R. A. (1997) The second Hadley Centre coupled ocean-atmosphere GCM: model description, spinup and validation. Climate Dynamics, 13 (2). pp. 103-134. ISSN 0930-7575 doi: 10.1007/s003820050155

1995

Mitchell, J. F. B., Johns, T. C., Gregory, J. M. and Tett, S. F. B. (1995) Climate response to increasing levels of greenhouse gases and sulphate aerosols. Nature, 376. pp. 501-504. ISSN 0028-0836 doi: 10.1038/376501a0

Gregory, J. M. and Mitchell, J. F. B. (1995) Simulation of daily variability of surface temperature and precipitation over Europe in the current and 2 x COz climates using the UKMO climate model. Quarterly Journal of the Royal Meteorological Society, 121 (526). pp. 1451-1476. ISSN 1477-870X doi: 10.1002/qj.49712152611

1993

Gregory, J. M., Wigley, T. M. L. and Jones, P. D. (1993) Application of Markov models to area-average daily precipitation series and interannual variability in seasonal totals. Climate Dynamics, 8 (6). pp. 299-310. ISSN 0930-7575 doi: 10.1007/BF00209669

Gregory, J. M. (1993) Sea level changes under increasing atmospheric CO2 in a transient coupled ocean-atmosphere GCM experiment. Journal of Climate, 6 (12). pp. 2247-2262. ISSN 1520-0442 doi: 10.1175/1520-0442(1993)006<2247:SLCUIA>2.0.CO;2

Gregory, J. M. and Dowrick, N. J. (1993) The Sverdrup relation generalized to include bottom topography and friction — a new derivation and correction to Fofonoff. Journal of Physical Oceanography, 23 (8). pp. 1867-1869. ISSN 0022-3670 doi: 10.1175/1520-0485(1993)023<1867:TSRGTI>2.0.CO;2

1992

Mitchell, J. F. B. and Gregory, J. M. (1992) Climatic consequences of emissions and a comparison of IS92a and SA90. In: Houghton, J. T., Callander, B. A. and Varney, S. K. (eds.) Climate change 1992: the supplementary report to the IPCC scientific assessment. Cambridge University Press, pp. 173-175. ISBN 0521438292 (Annex)

Gregory, J. M., Wigley, T. M. L. and Jones, P. D. (1992) Determining and interpreting the order of a two-state Markov chain: application to models of daily precipitation. Water Resources Research, 28 (5). pp. 1443-1446. ISSN 0043-1397 doi: 10.1029/92WR00477

1991

Gregory, J. M., Jones, P. D. and Wigley, T. M. L. (1991) Precipitation in Britain: an analysis of area-average data updated to 1989. International Journal of Climatology, 11 (3). pp. 331-345. ISSN 0899-8418 doi: 10.1002/joc.3370110308

Cole, J. A., Slade, S., Jones, P. D. and Gregory, J. M. (1991) Reliable yield of reservoirs and possible effects of climatic change. Hydrological Sciences Journal, 36 (6). pp. 579-598. ISSN 0262-6667 doi: 10.1080/02626669109492545

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