Affiliation: | 1.Center for Space Research,University of Texas at Austin,Texas,USA;2.Jet Propulsion Laboratory,California Institute of Technology,Pasadena,USA;3.Department of Earth System Science,University of California,Irvine,USA;4.Bureau of Economic Geology, Jackson School of Geosciences,University of Texas at Austin,Texas,USA;5.Hydrological Sciences Laboratory,NASA Goddard Space Flight Center,Greenbelt,USA |