NAIRAS Model Updates and Improvements to the Prediction of the Ionizing Radiation Environment from the Earth’s Surface to Geospace

Christopher J Mertens1, Guillaume Gronoff1, Yihua Zheng2, Janessa Buhler3, Emily Moon Willis4, Maksym Petrenko5, Daniel Phoenix6, Insoo Jun7 and Joseph I Minow8, (1)NASA Langley Research Center, Hampton, VA, United States, (2)NASA/GSFC, Greenbelt, MD, United States, (3)NASA Kennedy Space Center, Titusville, United States, (4)NASA Marshall Space Flight Center, Huntsville, AL, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)NASA Langley Research Center, Hampton, United States, (7)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (8)NASA MSFC, Huntsville, AL, United States