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机译:趋势和表面UVB年际变化辐射在8到11年观察对面美国
Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, Colorado, USA;
Cooperative Institute for Environmental Sciences, Affiliate of National Oceanic and Atmospheric Administration, Earth System Research Laboratory, University of Colorado, Boulder, Colorado, USA;
Department of Geography, University of Idaho, Moscow, Idaho, USADepartment of Mathematics, Washington State University, Pullman, Washington, USA;
Spectroradiometers; United States Department of Agriculture; field instrumentUnited StatesSTATIONSConfidence intervalsTime seriesirradiance;