1. Department of Atmospheric and Oceanic Science, University of Maryland, College Park, MD, USA
2. CNRS, IRD, Laboratoire d’Oceanographie Physique et Spatiale (LOPS), IUEM, IFREMER, Univ. Brest, Brest, France
3. Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH, USA