The central role of air quality observations in NASA’s GEOS air quality forecasting model


Christoph Andrea Keller1, K. Emma Knowland2, Bryan N Duncan3, Melanie B Follette-Cook1, Junhua Liu4, Steven Pawson5 and Emily Saunders6, (1)NASA Goddard Space Flight Center, Greenbelt, United States, (2)Universities Space Research Association Columbia, Columbia, United States, (3)NASA GSFC, Greenbelt, United States, (4)NASA GSFC/USRA GESTAR, Greenbelt, MD, United States, (5)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, United States, (6)Science Systems and Applications, Inc., Lanham, United States