Consistent volcanic SO2 products between Aura/OMI and S-NPP OMPS

Can Li, UMD ESSIC, College Park, MD, United States, Nickolay Anatoly Krotkov, NASA Goddard Space Flight Center, Greenbelt, United States, Simon A Carn, Michigan Technological University, Department of Geological and Mining Engineering & Sciences, Houghton, MI, United States, Yan Zhang, University of Maryland College Park, College Park, MD, United States, Robert J D Spurr, Rt Solutions Inc., Cambridge, MA, United States and Joanna Joiner, NASA GSFC, Greenbelt, United States