Long-range transport, air quality and climate impacts of volcanic sulfur from the 2014-2015 eruption at Holuhraun (Bárðarbunga, Iceland)

Anja Schmidt, University of Leeds, Leeds, United Kingdom, Susan J Leadbetter, Met Office, Exeter, United Kingdom, Nicolas Theys, Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, Elisa Carboni, Rutherford Appleton Laboratory, STFC, Didcot, United Kingdom, Claire S Witham, U.K. Met Office, Exeter, United Kingdom, Thor Thordarson, University of Iceland, Faculty of Earth Sciences, Reykjavik, Iceland, John A Stevenson, Edinburgh University, Edinburgh, United Kingdom, Andrew Gettelman, National Center for Atmospheric Research, Boulder, CO, United States and Jon Egill Kristjansson, University of Oslo, Oslo, Norway