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Observation-Based Assessment of the Impact of Nitrogen Oxides Emissions Reductions on Ozone Air Quality over the Eastern United States
Publisher: American Meteorological Society
Abstract: Ozone is produced by chemical interactions involving nitrogen oxides (NOx) and volatile organic compounds in the presence of sunlight. At high concentrations, ground-level ozone has been shown to be harmful to human health ...
Separating Different Scales of Motion in Time Series of Meteorological Variables
Publisher: American Meteorological Society
Abstract: The removal of synoptic and seasonal signals from time series of meteorological variables leaves datasets amenable to the study of trends, climate change, and the reasons for such trends and changes. In this paper, four ...
Interpreting the Information in Ozone Observations and Model Predictions Relevant to Regulatory Policies in the Eastern United States
Publisher: American Meteorological Society
Abstract: To study the underlying forcing mechanisms that distinguish the days with high ozone concentrations from average or nonepisodic days, the observed and model?predicted ozone time series are spectrally decomposed into different ...