Ekaterina Tymofyeyeva, Jet Propulsion Laboratory, Pasadena, CA, United States, Piyush S. Agram, NASA Jet Propulsion Laboratory, Pasadena, CA, United States, Heresh Fattahi, University of Miami, Rosenstiel School of Marine and Atmospheric Science, Miami, FL, United States and David P Bekaert, JPL/NASA/Caltech, Pasadena, United States