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机译:Application of USDM statistics in NLDAS-2: Optimal blended NLDAS drought index over the continental United States
Environmental Modeling Center, National Centers for Environmental Prediction, College Park, Maryland, USA;
Hydrological Sciences Laboratory at Goddard Space Flight Center, National Aeronautics and Space Administration, Greenbelt, Maryland, USA;
National Drought Mitigation Center, University of Nebraska–Lincoln, Lincoln, Nebraska, USADepartment of Environmental and Civil Engineering, Princeton University, Princeton, New Jersey, USA;