Institution: | a Department of Atmospheric, Oceanic, and Space Sciences, University of Michigan, 2455 Hayward St., Ann Arbor, MI 48109, USA b Department of Astronomy, New Mexico State University, P. O. Box 30001, MSC 4500, Las Cruces, New Mexico 88003, USA c NASA Goddard Space Flight Center, Greenbelt, MD 20071, USA d Laboratoire de Météorologie Dynamique, Institut Pierre-Simon Laplace, Université Paris 6, Paris, France e Service d’Aéronomie, Institut Pierre-Simon Laplace, Verrières-le-Buisson, France |