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DACOM CO and CH 4 for INTEX-A

DACOM CO and CH 4 for INTEX-A. Glen Sachse Glenn Diskin Mario Rana Tom Slate. Special Thanks Blake, Blake et al. Fried and Walega. INTEX-A Data Summary. CO Available for all flights except Flt 13 Data gaps in most flights Precision: 2 ppb or 2% Accuracy: NOAA/CMDL standards CH 4

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DACOM CO and CH 4 for INTEX-A

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  1. DACOM CO and CH4for INTEX-A Glen Sachse Glenn Diskin Mario Rana Tom Slate

  2. Special Thanks Blake, Blake et al. Fried and Walega

  3. INTEX-A Data Summary CO • Available for all flights except Flt 13 • Data gaps in most flights • Precision: 2 ppb or 2% • Accuracy: NOAA/CMDL standards CH4 • Available for flights 18, 19, 20 • Some data available for flights 5, 7, 8, 9, 12 • Precision: ~0.5% • Accuracy: NOAA/CMDL standards

  4. NOAA/CMDL CO Scales • NOAA/CMDL Calibration Cylinders provided with two CO calibration values 1. RGA value – based on HgO detector 2. VUVRF value – based on Vacuum UV resonance fluorescence detector • VUVRF value is approximately 5% greater than RGA • Starting with INTEX-A, DACOM CO data will use the new VUVRF value

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