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Las Vegas Ozone Study TOPAZ Data

June 25, 2013


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Daily Summary:

June 25. Tuesday. Clear and calm. A few scattered FWC in the afternoon. Lidar data was collected from 1037 to 1632 PDT. The preliminary TOPAZ curtain plot again shows very low ozone that is presumed to originate from the marine boundary layer. The in situ measurements were 40/88 ppbv (O3/CO) at 0916 PDT, increasing to 51/106 at 1318 PDT and decreasing to 30/84 at 1402 PDT. The valley monitors also reported very low values.

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Ozone Cross-section
Ozone Cross-section - June 25