File:HYSPLITTrajectoriesforNewportStateParkpage72.jpg
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[edit]DescriptionHYSPLITTrajectoriesforNewportStateParkpage72.jpg |
English: Red lines depict trajectories of air ending 100 m above the monitor, blue lines depict trajectories ending 500 m above the monitor and green lines depict trajectories ending 1,000 m above the monitor at Newport State Park, Door County. Only the red lines show meaningful transport of ozone to the monitor. Most ozone pollution is not generated in the county, but blows in from urban areas.
Of the Door County generated emissions, 53 percent of NOx (Nitrogen Oxide) emissions came from commercial marine vessels on Lake Michigan, and 61 percent of VOC (Volatile organic compounds) emissions came from recreational vehicles and pleasure craft. The monitor at Newport State park is near the shore. When ozone-rich air from over the lake flowed downwind to onshore locations, air with the highest ozone concentrations mixed down to the surface first, causing the highest ozone observations along the shoreline. Eventually air from higher altitudes mixed down to the surface farther inland, diluting the overall ozone mixing ratios for areas further inland. The monitor has been in place since 1989. |
Date | |
Source | epa report: https://www.epa.gov/sites/production/files/2018-05/documents/wi_tsd_final.pdf |
Author | United States Environmental Protection Agency | US EPA |
Camera location | 45° 14′ 13.2″ N, 86° 59′ 34.8″ W | View this and other nearby images on: OpenStreetMap | 45.237000; -86.993000 |
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Licensing
[edit]Public domainPublic domainfalsefalse |
This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.
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current | 18:54, 7 February 2019 | 780 × 764 (109 KB) | Epiphyllumlover (talk | contribs) | User created page with UploadWizard |
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