1. Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadenaCAUSA
2. Joint Institute for Regional Earth System Science and EngineeringUniversity of CaliforniaLos AngelesCAUSA
3. Global Modeling and Assimilation OfficeNASA/Goddard Space Flight CenterGreenbeltMDUSA
4. Cornell UniversityIthacaNYUSA