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Diverging Ozone Trends Above Western North America: Boundary Layer Decreases Versus Free Tropospheric Increases
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2023
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Source: Journal of Geophysical Research: Atmospheres, 128(8)
[PDF-9.54 MB]
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:This study has produced an improved percentile and seasonal (median) trend estimate of free tropospheric ozone above western North America (WNA), through a data fusion of ozonesonde, lidar, commercial aircraft, and field campaign measurements. Our method combines heterogeneous data sets according to the consensus data characteristics and inherent uncertainty in order to produce our best fused product. In response to different data collection environments (in situ or ground-based), we investigate the ozone variability based on a wide range of percentiles, which is preferable for trend detection due to tropospheric ozone's high degree of heteroscedasticity (i.e., inconsistent trends and variability between different
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Source:Journal of Geophysical Research: Atmospheres, 128(8)
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ISSN:2169-897X;2169-8996;
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Rights Information:CC BY
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Compliance:Library
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