1. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125
2. Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing 100871, China
3. Laboratoire de Météorologie Dynamique/Institut Pierre-Simon Laplace, Sorbonne Université, École Normale Supérieure, Université Paris Sciences et Lettres, Ecole Polytechnique, Institut Polytechnique de Paris, Centre National de la Recherche Scientifique, Paris 75005, France