1. Department of Environmental Sciences, Rutgers, State University of New Jersey, New Brunswick, New Jersey, USA
2. Lamont-Doherty Earth Observatory, Palisades, New York, USA
3. Woods Institute for the Environment, Department of Environmental Earth System Science, Stanford University, Stanford, California, USA
4. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA
5. Geophysical Fluid Dynamics Laboratory, Princeton, New Jersey, USA