Comparison between DC-8 and ER-2 species measurements in the tropical middle troposphere: NO, NOy, O3, CO2, CH4, and N2O

We compare measurements of six species taken aboard NASA DC‐8 and ER‐2 aircraft during two flight legs in the tropical middle troposphere near Hawaii. NO, NOy, O3, CH4, and N2O measurements agree to within the limits set by the known systematic errors. For CO2, which can be measured with better rela...

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Veröffentlicht in:	Journal of Geophysical Research: Atmospheres 1998-09, Vol.103 (D17), p.22087-22096
Hauptverfasser:	Weinheimer, A. J., Montzka, D. D., Campos, T. L., Walega, J. G., Ridley, B. A., Donnelly, S. G., Keim, E. R., Del Negro, L. A., Proffitt, M. H., Margitan, J. J., Boering, K. A., Andrews, A. E., Daube, B. C., Wofsy, S. C., Anderson, B. E., Collins, J. E., Sachse, G. W., Vay, S. A., Elkins, J. W., Wamsley, P. R., Atlas, E. L., Flocke, F., Schauffler, S., Webster, C. R., May, R. D., Loewenstein, M., Podolske, J. R., Bui, T. P., Chan, K. R., Bowen, S. W., Schoeberl, M. R., Lait, L. R., Newman, P. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical composition and interactions. Ionic interactions and processes Earth, ocean, space Exact sciences and technology External geophysics Meteorology
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Beschreibung
Zusammenfassung:	We compare measurements of six species taken aboard NASA DC‐8 and ER‐2 aircraft during two flight legs in the tropical middle troposphere near Hawaii. NO, NOy, O3, CH4, and N2O measurements agree to within the limits set by the known systematic errors. For CO2, which can be measured with better relative precision than the other five species, differences in measured values from the two platforms are slightly larger than expected if the air masses sampled by the two aircraft were indeed similar in CO2 composition to better than 0.08%.
ISSN:	0148-0227 2156-2202
DOI:	10.1029/98JD01421