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Summary of UCATS Performance and Data for ATTREX- 2 ( January-March 2013)

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This report summarizes the performance of the UCATS system and presents key data collected during the ATTREX-2 campaign from January to March 2013. Notable results include good data for N2O and SF6 starting February 9, CH4 and H2 from February 14, and usable CO data. Enhanced ozone measurement capabilities were achieved with the addition of a new sensor. Calibration efforts for water vapor were completed, enabling thorough data analysis of ascent and descent profiles. Research flights revealed significant methane-N2O correlations and provided valuable insights into trace gas measurements.

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Summary of UCATS Performance and Data for ATTREX- 2 ( January-March 2013)

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  1. Summary of UCATS Performance and Data for ATTREX-2(January-March 2013) Eric Hintsa, Fred Moore, Geoff Dutton, Brad Hall, David Nance, Audra McClure, and Jim Elkins Bruce Daube, Jasna Pittman, Steve Wofsy, Ru-Shan Gao, Andrew Rollins, Troy Thornberry, Laurel Watts, David Fahey, Glenn Diskin, Elliot Atlas, and Maria Navarro

  2. UCATS Summary – ATTREX 2013 Gas Chromatograph N2O and SF6 – good data starting February 9 CH4 and H2 – good data starting February 14 CO data probably usable in profiles Ozone Second 2B ozone sensor added (2-second response) Backup for NOAA CSD ozone Water vapor TDL Good data on ascent, descent and profiles High water vapor “short path” calibration completed GC data reanalyzed and archived

  3. UCATS and Picarro Intercomparison

  4. Research Flights 3-6, UCATS & Picarro

  5. Methane-N2O Correlation

  6. SF6 vs. N2O, February 14, 2013

  7. Hydrogen vs. UCATS Methane, February 14, 2013

  8. UCATS CO data color-coded by Ozone

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