1. a Department of Geography, Tel-Aviv University, Center for the Study of Earth from Space (CSES), Cooperative Institute for Research in Environmental Science (CIRES), University of Colorado , Ramat-Aviv Boulder, Israel, U.S.A.
2. b Center for the Study of Earth from Space (CSES), Cooperative Institute for Research in Environmental Science (CIRES), University of Colorado Department of Geological Sciences, University of Colorado , Boulder, U.S.A.