Conference Abstracts

2013

• "Comparison of weather-balloon observations of in-cloud and clear-air turbulence with model predictions"
  Marlton, G. J., Harrison, R. G., Williams, P. D. and Nicoll, K. A., presented at Workshop on Research Applications of High Resolution Radiosonde Data, Stony Brook University, New York, 2013.

• "Will climate change increase transatlantic aviation turbulence?"
  Williams, P. D. and Joshi, M. M., Geophysical Research Abstracts, 15(1724), 2013, presented at European Geosciences Union General Assembly, Vienna.

• "Achieving seventh-order amplitude accuracy in leapfrog integrations"
  Williams, P. D., Geophysical Research Abstracts, 15(1725), 2013, presented at European Geosciences Union General Assembly, Vienna.

• "Climatic impacts of a stochastic parameterization of air–sea fluxes"
  Williams, P. D., Geophysical Research Abstracts, 15(1727), 2013, presented at European Geosciences Union General Assembly, Vienna.

• "Climatic impacts of a stochastic parameterization of air–sea fluxes"
  Williams, P. D., presented at Workshop on Stochastic Modelling and Computing for Weather and Climate Prediction, Oriel College, Oxford, 2013.

• "Intensification of Transatlantic Aviation Turbulence in Response to Anthropogenic Climate Change"
  Williams, P. D. and Joshi, M. M., presented at American Meteorological Society 93rd Annual Meeting: 16th Conference on Aviation, Range, and Aerospace Meteorology, Austin, Texas, 2013.

• "A Simple Method for Improving the Time-Stepping Accuracy of Weather and Climate Models"
  Williams, P. D., presented at American Meteorological Society 93rd Annual Meeting: Special Symposium on Advancing Weather and Climate Forecasts: Innovative Techniques and Applications, Austin, Texas, 2013.

• "Climatic impacts of a stochastic parameterization of air–sea fluxes"
  Williams, P. D., presented at American Meteorological Society 93rd Annual Meeting: 25th Conference on Climate Variability and Change, Austin, Texas, 2013.

• "Three Centuries of Meteorological Phenomena Represented in Western Classical Orchestral Music"
  Aplin, K. A. and Williams, P. D., presented at American Meteorological Society 93rd Annual Meeting: 11th History Symposium, Austin, Texas, 2013.

2012

• "Climatic impacts of a stochastic parameterization of air–sea fluxes (Invited)"
  Williams, P. D., Abstract NG44A-02, presented at American Geophysical Union Fall Meeting, San Francisco, California, 2012.

• "A simple method for improving the time-stepping accuracy in atmosphere and ocean models"
  Williams, P. D., Abstract A53C-0161, presented at American Geophysical Union Fall Meeting, San Francisco, California, 2012.

• "Meteorological phenomena in Western classical orchestral music"
  Williams, P. D. and Aplin, K. L., Abstract PA31A-1970, presented at American Geophysical Union Fall Meeting, San Francisco, California, 2012.

• "A method for improving time-stepping numerics in NWP models"
  Williams, P. D., 12th European Meteorological Society Annual Meeting & 9th European Conference on Applied Climatology, Łódź, Poland, 2012.

• "Climatic impacts of stochastic fluctuations in air–sea fluxes"
  Williams, P. D., 12th European Meteorological Society Annual Meeting & 9th European Conference on Applied Climatology, Łódź, Poland, 2012.

• "A method for improving time-stepping numerics"
  Williams, P. D., Canadian Meteorological and Oceanographic Society 46th Congress, joint with American Meteorological Society 21st Conference on Numerical Weather Prediction and 25th Conference on Weather Analysis and Forecasting, Montréal, Canada, 2012.

• "Climatic impacts of stochastic fluctuations in air–sea fluxes"
  Williams, P. D., Canadian Meteorological and Oceanographic Society 46th Congress, joint with American Meteorological Society 21st Conference on Numerical Weather Prediction and 25th Conference on Weather Analysis and Forecasting, Montréal, Canada, 2012.

• "The role of mean ocean salinity in climate"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., Canadian Meteorological and Oceanographic Society 46th Congress, joint with American Meteorological Society 21st Conference on Numerical Weather Prediction and 25th Conference on Weather Analysis and Forecasting, Montréal, Canada, 2012.

• "A method for improving time-stepping numerics"
  Williams, P. D., Geophysical Research Abstracts, 14(6090), 2012, presented at European Geosciences Union General Assembly, Vienna.

2011

• "Stochastic effects in comprehensive climate models (invited)"
  Williams, P. D., Abstract NG52A-01, presented at American Geophysical Union Fall Meeting, San Francisco, California, 2011.

• "The importance of time-stepping errors in ocean models"
  Williams, P. D., Abstract OS21A-1615, presented at American Geophysical Union Fall Meeting, San Francisco, California, 2011.

• "Internal Inertio–Gravity Waves in the Laboratory: Mechanisms, Properties, and Impacts"
  Williams, P. D., Seventh International Symposium on Stratified Flows, Rome, Italy, 2011.

• "The importance of numerical time-stepping errors"
  Williams, P. D., Workshop on Hierarchical Modeling of Climate, International Centre for Theoretical Physics, Trieste, Italy, 2011.

• "Time-stepping errors in weather and climate models"
  Williams, P. D., Royal Meteorological Society Conference, University of Exeter, UK, 2011.

• "A simple yet effective time-stepping improvement"
  Williams, P. D., American Meteorological Society 18th Conference on Atmospheric and Oceanic Fluid Dynamics, Spokane, Washington, USA, 2011.

• "Testing the limits of quasi-geostrophic theory"
  Williams, P. D., Read, P. L. and Haine, T. W. N., American Meteorological Society 18th Conference on Atmospheric and Oceanic Fluid Dynamics, Spokane, Washington, USA, 2011.

• "The RAW Filter: An Improvement to the Robert–Asselin Filter"
  Williams, P. D., 9th International Short-Range Numerical Weather Prediction (SRNWP) Workshop on Nonhydrostatic Modelling, Bad Orb, Germany, 2011.

• "How to improve the leapfrog scheme in fluid models"
  Williams, P. D., Fourth meeting of the Wave–Flow Interactions Network, Cambridge, UK, 2011.

• "Stochastic parameterizations in comprehensive climate models (solicited)"
  Williams, P. D., Geophysical Research Abstracts, 13(12459), 2011, presented at European Geosciences Union General Assembly, Vienna.

• "Testing the limits of quasi-geostrophic theory"
  Williams, P. D., Read, P. L. and Haine, T. W. N., Geophysical Research Abstracts, 13(7931), 2011, presented at European Geosciences Union General Assembly, Vienna.

• "The effects of the RAW filter on the climatology and forecast skill of the SPEEDY model"
  Amezcua, J., Kalnay, E. and Williams, P. D., Geophysical Research Abstracts, 13(7593), 2011, presented at European Geosciences Union General Assembly, Vienna.

• "Gravity Waves in the Laboratory: Mechanisms, Properties, and Impacts"
  Williams, P. D., AGU Chapman Conference on Atmospheric Gravity Waves and Their Effects on General Circulation and Climate, Honolulu, Hawaii, 2011.

• "Internal Waves Emitted from Balanced Flow: Observations, Properties, and Consequences"
  Williams, P. D., Conference on Geophysical and Astrophysical Internal Waves, École de Physique des Houches, Chamonix, France, 2011.

2010

• "A new time-stepping method for regional climate models"
  Williams, P. D., Abstract A21G-0186, Fall Meeting Supplement, Eos, 91(52), 28 December 2010, presented at American Geophysical Union Fall Meeting, San Francisco, California.

• "The importance of numerical time-stepping errors"
  Williams, P. D., Uncertainty in Climate Prediction: Models, Methods and Decision Support workshop, Isaac Newton Institute for Mathematical Sciences, University of Cambridge, UK, 2010

• "A simple time-stepping modification that could significantly improve ocean models"
  Williams, P. D., Challenger Society Ocean Modelling Group Meeting, National Oceanography Centre, Southampton, UK, 2010.

• "The impacts of stochastic noise on climate models"
  Williams, P. D., Stochastic Methods in Climate Modelling workshop, Isaac Newton Institute for Mathematical Sciences, University of Cambridge, UK, 2010.

• "A simple method to improve the time-stepping in atmosphere and ocean models"
  Williams, P. D., Oberwolfach Report 34/2010, pp 2091-2093, presented at Mathematisches Forschungsinstitut Oberwolfach workshop on Mathematical Theory and Modelling in Atmosphere–Ocean Science, Germany, 2010. doi:10.4171/OWR/2010/34

• "Is the thermohaline circulation sensitive to mean ocean salinity?"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., RAPID Climate Change Annual Science Meeting, Met Office, Exeter, UK, 2010.

• "A simple modification that could significantly improve GCM simulations"
  Williams, P. D., National Centre for Atmospheric Science Annual Conference, Manchester, UK, 2010.

• "Testing the limits of quasi-geostrophic theory"
  Williams, P. D., Third meeting of the Wave–Flow Interactions Network, St Andrews, UK, 2010.

• "Multiscale modelling of the climate system: Lessons from the laboratory (solicited)"
  Williams, P. D., Geophysical Research Abstracts, 12(439), 2010, presented at European Geosciences Union General Assembly, Vienna.

• "A simple modification that could significantly improve ocean models"
  Williams, P. D., Geophysical Research Abstracts, 12(425), 2010, presented at European Geosciences Union General Assembly, Vienna.

• "Testing the limits of quasi-geostrophic theory: application to observed laboratory flows outside the quasi-geostrophic regime"
  Williams, P. D., Read, P. L. and Haine, T. W. N., Geophysical Research Abstracts, 12(427), 2010, presented at European Geosciences Union General Assembly, Vienna.

• "Is the climate sensitive to mean ocean salinity?"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., Geophysical Research Abstracts, 12(431), 2010, presented at European Geosciences Union General Assembly, Vienna.

• "Quasi-geostrophic (QG) and non-QG equilibration of fully developed baroclinic instability"
  Simpson, J., Read, P., Moroz, I. and Williams, P. D., Geophysical Research Abstracts, 12(11883), 2010, presented at European Geosciences Union General Assembly, Vienna.

• "Boundary-layer instability in the rotating thermal annulus"
  Jacoby, T. N. L., Read, P. L., Williams, P. D. and Young, R. M. B., Geophysical Research Abstracts, 12(10517), 2010, presented at European Geosciences Union General Assembly, Vienna.

• "Severe high altitude aircraft turbulence on thunderstorm peripheries"
  McCann, D. W., Knox, J. A. and Williams, P. D., 14th American Meteorological Society Conference on Aviation, Range, and Aerospace Meteorology, Atlanta, Georgia, 2010.

2009

• "Can loss of balance from mesoscale eddies adequately power deep ocean mixing?"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Abstract OS22A-08, Fall Meeting Supplement, Eos, 90(52), 29 December 2009, presented at American Geophysical Union Fall Meeting, San Francisco, California.

• "A new, simple, highly-accurate time-stepping method for weather and climate models"
  Williams, P. D., National Centre for Atmospheric Science Annual Conference, Oxford, 2009.

• "A new method for forecasting clear-air turbulence"
  Williams, P. D., Knox, J. A. and McCann, D. W., National Centre for Atmospheric Science Annual Conference, Oxford, 2009.

• "A proposed modification to the Robert–Asselin time filter"
  Williams, P. D., 8th International Short-Range Numerical Weather Prediction (SRNWP) Workshop on Nonhydrostatic Modelling, Bad Orb, Germany, 2009.

• "Application of the Lighthill–Ford Theory of Spontaneous Imbalance to Clear-Air Turbulence Forecasting"
  Williams, P. D., Knox, J. A. and McCann, D. W., European Meteorological Society 9th Annual Meeting and 9th European Conference on Applications of Meteorology (ECAM), Toulouse, France, 2009.

• "Inertia–Gravity Waves Emitted from Balanced Flow: Observations, Properties, and Consequences"
  Williams, P. D., Haine, T. W. N. and Read, P. L., European Meteorological Society 9th Annual Meeting and 9th European Conference on Applications of Meteorology (ECAM), Toulouse, France, 2009.

• "The role of mean ocean salinity in climate"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., European Meteorological Society 9th Annual Meeting and 9th European Conference on Applications of Meteorology (ECAM), Toulouse, France, 2009.

• "A proposed modification to the Robert–Asselin time filter"
  Williams, P. D., European Meteorological Society 9th Annual Meeting and 9th European Conference on Applications of Meteorology (ECAM), Toulouse, France, 2009.

• "Unresolved Processes in Weather and Climate Models: Lessons from the Laboratory"
  Williams, P. D., Focus Workshop on Dynamics and Statistics in Weather and Climate, Dresden, Germany, 2009.

• "The role of mean ocean salinity in climate"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., RAPID Climate Change Annual Science Meeting, University of Edinburgh, UK, 2009.

• "Inertia–Gravity Waves Emitted from Balanced Flow: Observations, Properties, and Consequences"
  Williams, P. D., Second meeting of the Wave–Flow Interactions Network, Edinburgh, UK, 2009.

• "Application of spontaneous imbalance theory to the problem of clear-air turbulence forecasting"
  Knox, J. A., McCann, D. W. and Williams, P. D., 17th American Meteorological Society Conference on Atmospheric and Oceanic Fluid Dynamics, Vermont, USA, 2009.

• "A proposed modification to the Robert–Asselin time filter"
  Williams, P. D., MOCA-09: IAMAS, IAPSO and IACS Joint Assembly, Montréal, Canada, 2009.

• "Can loss of balance from mesoscale eddies adequately power deep ocean mixing?"
  Williams, P. D., Haine, T. W. N. and Read, P. L., MOCA-09: IAMAS, IAPSO and IACS Joint Assembly, Montréal, Canada, 2009.

• "The role of mean ocean salinity in climate"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., MOCA-09: IAMAS, IAPSO and IACS Joint Assembly, Montréal, Canada, 2009.

• "Climatic impacts of stochastic air–sea fluxes in a coupled GCM"
  Williams, P. D., MOCA-09: IAMAS, IAPSO and IACS Joint Assembly, Montréal, Canada, 2009.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., MOCA-09: IAMAS, IAPSO and IACS Joint Assembly, Montréal, Canada, 2009.

• "A proposed modification to the Robert–Asselin time filter"
  Williams, P. D., Royal Meteorological Society Conference, University of Reading, UK, 2009.

• "The role of mean ocean salinity in climate"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., Royal Meteorological Society Conference, University of Reading, UK, 2009.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Royal Meteorological Society Conference, University of Reading, UK, 2009.

• "A proposed modification to the Robert–Asselin time filter"
  Williams, P. D., Geophysical Research Abstracts, 11(352), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "Inertia–Gravity Waves Emitted from Balanced Flow: Observations, Properties, and Consequences"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Geophysical Research Abstracts, 11(286), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "The role of mean ocean salinity in climate"
  Williams, P. D., Guilyardi, E., Madec, G., Gualdi, S. and Scoccimarro, E., Geophysical Research Abstracts, 11(285), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "Climatic impacts of stochastic air–sea fluxes in a coupled GCM"
  Williams, P. D., Geophysical Research Abstracts, 11(316), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "QUAGMIRE v1.3: a quasi-geostrophic model for investigating rotating fluids experiments"
  Williams, P. D., Haine, T. W. N., Read, P. L., Lewis, S. R. and Yamazaki, Y. H., Geophysical Research Abstracts, 11(278), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "Baroclinic waves in the rotating annulus: a laboratory/model comparison"
  Williams, P. D., Read, P. L. and Haine, T. W. N., Geophysical Research Abstracts, 11(277), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Geophysical Research Abstracts, 11(276), 2009, presented at European Geosciences Union General Assembly, Vienna.

• "On the Loss of Energy from the Ocean Mesoscale Flow via Inertia–Gravity Waves"
  Haine, T. W. N., Williams, P. D., Eyink, G. and Ring, D., Tenth Annual Center for Atmosphere Ocean Science (CAOS) Winter Workshop: Oceanography at the Observational and Modeling Frontier: Submesoscale Dynamics, Courant Institute of Mathematical Sciences, New York University, 2009.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Workshop on Reducing the Uncertainty in the Prediction of Global Warming, The Institute for Advanced Studies, Jerusalem, 2009.

2008

• "Climatic impacts of stochastic air–sea fluxes in a coupled GCM"
  Williams, P. D., National Centre for Atmospheric Science Annual Conference, Bristol, UK, 2008.

• "A proposed modification to the Robert–Asselin time filter"
  Williams, P. D., National Centre for Atmospheric Science Annual Conference, Bristol, UK, 2008.

• "Rapid climate change: an overview for economists"
  Williams, P. D., ESF-FMSH-ES Conference on New Methodologies and Interdisciplinary Approaches in Global Change Research, Porquerolles Island, French Riviera, 2008.

• "Permit Holders Parking Only" (perspectives competition entry)
  Williams, P. D., The BA Festival of Science, Liverpool, 2008.

• "Sudden stratospheric warmings as noise-induced transitions"
  Birner, T. and Williams, P. D., SPARC 4th General Assembly, Bologna, Italy, 2008.

• "Stochastic physics across a hierarchy of weather and climate models"
  Williams, P. D., Pacific Institute for the Mathematical Sciences summer school workshop on Stochastic and Probabilistic methods for Atmosphere, Ocean, and Climate Dynamics, University of Victoria, Canada, 2008.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., RAPID Climate Change Annual Science Meeting, Cambridge University, UK, 2008.

• "Laboratory observations of inertia–gravity waves"
  Williams, P. D., Read, P. L. and Haine, T. W. N., Workshop on Teaching Weather and Climate Using Laboratory Experiments, Chicago, USA, 2008.

• "Can loss of balance from mesoscale eddies adequately power deep ocean mixing?"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Geophysical Research Abstracts, 10(02057), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Geophysical Research Abstracts, 10(02065), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "A new direction in clear-air turbulence forecasting based on spontaneous imbalance. Part I: Application of theory"
  Knox, J. A., McCann, D. W. and Williams, P. D., Geophysical Research Abstracts, 10(02068), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "A new direction in clear-air turbulence forecasting based on spontaneous imbalance. Part II: Case studies and statistical results"
  McCann, D. W., Knox, J. A. and Williams, P. D., Geophysical Research Abstracts, 10(02070), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "Sudden stratospheric warmings as noise-induced transitions"
  Birner, T. and Williams, P. D., Geophysical Research Abstracts, 10(02079), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "A calibrated, non-invasive method for measuring the internal interface height field at high resolution in the rotating, two-layer annulus"
  Williams, P. D., Read, P. L. and Haine, T. W. N., Geophysical Research Abstracts, 10(02087), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "Generation and propagation of inertia–gravity waves within baroclinic wave flows in thermally-driven, rotating annulus experiments"
  Read, P. L., Jacoby, T., Young, R. M. B., Randriamampianina, A., Maubert, P., Früh, W.-G., Williams, P. D. and Haine, T. W. N., Geophysical Research Abstracts, 10(05237), 2008, presented at European Geosciences Union General Assembly, Vienna.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., British Council China/UK Workshop on Modelling Climate Variability and Change, Met Office, Exeter, 2008.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., New Advances in Geophysics: Geophysics of Global Climate Change, London, 2008.

• "A new direction in clear-air turbulence forecasting based on spontaneous imbalance. Part I: Application of theory"
  Knox, J. A., McCann, D. W. and Williams, P. D., 13th American Meteorological Society Conference on Aviation, Range and Aerospace Meteorology, New Orleans, Louisiana, 2008.

• "A new direction in clear-air turbulence forecasting based on spontaneous imbalance. Part II: Case studies and statistical results"
  McCann, D. W., Knox, J. A. and Williams, P. D., 13th American Meteorological Society Conference on Aviation, Range and Aerospace Meteorology, New Orleans, Louisiana, 2008.

2007

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., National Centre for Atmospheric Science Annual Conference, York, UK, 2007.

• "Spontaneous Gravity Wave Generation and its Operational Forecasting Implications"
  McCann, D. W., Knox, J. A. and Williams, P. D., 32nd Annual Meeting of the National Weather Association, Reno, Nevada, 2007.

• "Sudden Stratospheric Warmings as Noise-Induced Transitions"
  Birner, T. and Williams, P. D., AGU Chapman Conference on the Role of the Stratosphere in Climate and Climate Change, Santorini, Greece, 2007.

• "Plötzliche Stratosphärenerwärmungen als rauschinduzierte Übergänge"
  Birner, T. and Williams, P. D., Deutsch-Österreichisch-Schweizerischen Meteorologen-Tagung DACH 2007, Hamburg, Germany, 2007.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., RAPID Climate Change Annual Science Meeting, Plymouth, UK, 2007.

• "Climate and the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Ocean Controls in Abrupt Climate Change, European Science Foundation research conference, Universitätszentrum Obergurgl, Innsbruck, Austria, 2007.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., 3rd IPSL/NCAS Workshop on Tropical Variability, Université Paris VI, France, 2007.

• "Noise-induced phenomena in low-order stratospheric dynamics"
  Williams, P. D., Birner, T. and Shepherd, T. G., Stochastic Dynamical Systems and Climate Modeling, Banff International Research Station, Alberta, Canada, 2007.

• "On the loss of energy from the ocean mesoscale flow via slaved inertia–gravity waves"
  Haine, T. W. N., Williams, P. D., Eyink, G. and Ring, D., 16th AMS Conference on Atmospheric and Oceanic Fluid Dynamics, Santa Fe, New Mexico, USA, 2007.

• "On the origin of inertia–gravity waves emitted by quasi-balanced flow"
  Haine, T., Eyink, G., Williams, P., Ring, D. and Read, P., Geophysical Research Abstracts, 9(09261), 2007, presented at European Geosciences Union General Assembly, Vienna.

• "A new feedback on climate change from the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., SET for BRITAIN reception at the House of Commons for Britain's top early-stage researchers, London, 2007.

2006

• "The impact of salinity on the thermohaline circulation in a warmer climate"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Rapid Climate Change International Science Conference, Birmingham, 2006.

• "Inertia–gravity waves emitted spontaneously from quasi-balanced flow: properties and consequences"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Oberwolfach Reports, 3(3), pp 2362-2364, 2006, presented at Mathematisches Forschungsinstitut Oberwolfach workshop on Mathematical Theory and Modelling in Atmosphere–Ocean Science, Germany, 2006. doi:10.4171/OWR/2006/39

• "Observations and consequences of spontaneously-emitted inertia–gravity waves from quasi-balanced flow"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Spontaneous Imbalance Workshop #1: Perspectives from atmospheric and oceanic dynamics, University of Washington, Seattle, USA, 2006.

• "Spontaneous imbalance and new directions in Clear Air Turbulence forecasting"
  Knox, J. A., Ellrod, G. P., Pryor, K., McCann, D. W. and Williams, P. D., Spontaneous Imbalance Workshop #1: Perspectives from atmospheric and oceanic dynamics, University of Washington, Seattle, USA, 2006.

• "The role of salinity in the climate response to an intensified water cycle"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., U.S. CLIVAR Salinity Workshop, Woods Hole Oceanographic Institution, USA, 2006.

• "A new feedback from the hydrological cycle on the rate of global warming"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., NEMO Users Meeting, Université Paris VI, France, 2006.

• "Experimental observations of spontaneously-emitted gravity waves: a challenge for theorists"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Geophysical Research Abstracts, 8(04254), 2006, presented at European Geosciences Union General Assembly, Vienna.

• "Modelling climate change: the role of unresolved processes"
  Williams, P. D., Geophysical Research Abstracts, 8(04318), 2006, presented at European Geosciences Union General Assembly, Vienna.

• "A new feedback from the hydrological cycle on the rate of climate change"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Geophysical Research Abstracts, 8(04363), 2006, presented at European Geosciences Union General Assembly, Vienna.

• "Spontaneous emission of inertia–gravity waves from rotating, stratified flow"
  Haine, T. W. N., Williams, P. D., Ring, D. and Read, P. L., AGU Ocean Sciences Meeting, Honolulu, Hawaii, 2006.

• "Rapid climate change and intergenerational inequity"
  Williams, P. D., Green Economics Institute conference, Mansfield College, Oxford University, UK, 2006.

• "Improved clear air turbulence diagnostics based on adjustment dynamics"
  Knox, J. A., Ellrod, G. P. and Williams, P. D., 12th AMS Conference on Aviation Range and Aerospace Meteorology, Atlanta, Georgia, 2006.

2005

• "Tropical Pacific ocean adjustment to changes in the hydrological cycle in a coupled ocean–atmosphere model"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., Royal Meteorological Society Conference, University of Exeter, UK, 2005.

• "Tropical Pacific ocean adjustment to changes in the hydrological cycle"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., 2nd RAPID Climate Change annual science meeting, University of Swansea, UK, 2005.

• "Spontaneous generation of inertia–gravity waves in a rotating stratified flow"
  Haine, T. W. N., Williams, P. D., Read, P. L., 15th AMS Conference on Atmospheric and Oceanic Fluid Dynamics, Cambridge, MA, USA, 2005.

• "Tropical Pacific ocean adjustment to changes in the hydrological cycle in a coupled ocean–atmosphere model"
  Williams, P. D., Guilyardi, E., Sutton, R. T., Gregory, J. M. and Madec, G., Geophysical Research Abstracts, 7(05410), 2005, presented at European Geosciences Union 2nd General Assembly, Vienna.

2004

• "Nonlinear interactions of inertia–gravity modes and planetary waves in rotating fluid flows"
  Haine, T. W. N., Williams, P. D., Read, P. L., 25th IUGG Conference on Mathematical Geophysics: Frontiers in Theoretical Earth Sciences, Columbia University, New York, USA, 2004.

• "The spatial and temporal characteristics of the adjustment of the thermohaline circulation, in response to the removal of surface freshwater forcing in a coupled general circulation model"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., World Climate Research Programme CLIVAR Workshop on North Atlantic Thermohaline Circulation Variability, Kiel University, Germany, 2004.

• "Multiple jet formation in a convectively driven flow on a beta-plane"
  Read, P. L., Yamazaki, Y. H., Lewis, S. R., Williams, P. D., Miki-Yamazaki, K., Sommeria, J., Didelle, H. and Fincham, A., XXIst International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, 2004.

• "A coupled GCM study of the evolution of the ocean circulation, following a suppression of the exchange of freshwater with the atmosphere"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., UK Universities Global Atmospheric Modelling Programme annual conference, Oxford University, UK, 2004.

• "The role of salinity in the thermohaline circulation, and in its response to changes in the surface freshwater flux"
  Williams, P. D., Guilyardi, E., Sutton, R., Gregory, J. and Madec, G., 1st RAPID Climate Change annual science meeting, University of Nottingham, UK, 2004.

2003

• "A joint experimental/numerical study of the baroclinic/inertia–gravity wave interaction"
  Williams, P. D., Haine, T. W. N. and Read, P. L., Geophysical Research Abstracts, 5(12352), 2003, presented at European Geophysical Society — American Geophysical Union — European Union of Geosciences Joint Assembly, Nice, France.

• "Large-scale experimental study of the formation of zonal jets in convectively-driven geostrophic turbulence on a beta-plane"
  Read, P. L., Lewis, S. R., Williams, P. D., Yamazaki, Y., Yamazaki, K., Sommeria, J., Fincham, A. and Didelle, H., Geophysical Research Abstracts, 5(02880), 2003, presented at European Geophysical Society — American Geophysical Union — European Union of Geosciences Joint Assembly, Nice, France.

2001

• "The role of non-hydrostatic dynamics in controlling exchange across a surface ocean front"
  Haine, T. W. N., Williams, P. D. and Marshall, J. C., Geophysical Research Abstracts, 3(2885), 2001, presented at European Geophysical Society XXVIth General Assembly, Nice, France.

• "Interactions of fast and slow modes in rotating, stratified flows"
  Williams, P. D., Read, P. L. and Haine, T. W. N., Geophysical Research Abstracts, 3(5629), 2001, presented at European Geophysical Society XXVIth General Assembly, Nice, France.