Nonmethane hydrocarbon measurements in the North Atlantic Flight Corridor during the Subsonic Assessment Ozone and Nitrogen Oxide Experiment | Zendy

Simpson I. J. | Zendy; Sive B. C. | Zendy; Blake D. R. | Zendy; Blake N. J. | Zendy; Chen T.Y. | Zendy; Lopez J. P. | Zendy; Anderson B. E. | Zendy; Sachse G. W. | Zendy; Vay S. A. | Zendy; Fuelberg H. E. | Zendy; Kondo Y. | Zendy; Thompson A. M. | Zendy; Rowland F. S. | Zendy

Open Access

Nonmethane hydrocarbon measurements in the North Atlantic Flight Corridor during the Subsonic Assessment Ozone and Nitrogen Oxide Experiment

Author(s) -

Simpson I. J.,

Sive B. C.,

Blake D. R.,

Blake N. J.,

Chen T.Y.,

Lopez J. P.,

Anderson B. E.,

Sachse G. W.,

Vay S. A.,

Fuelberg H. E.,

Kondo Y.,

Thompson A. M.,

Rowland F. S.

Publication year - 2000

Publication title -

journal of geophysical research: atmospheres

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.67

H-Index - 298

eISSN - 2156-2202

pISSN - 0148-0227

DOI - 10.1029/1999jd900750

Subject(s) - nitrogen oxide , ozone , environmental science , nitrogen oxides , atmospheric sciences , mixing ratio , meteorology , nitrogen , nox , geology , chemistry , physics , waste management , engineering , organic chemistry , combustion

Mixing ratios of nonmethane hydrocarbons (NMHCs) were not enhanced in whole air samples collected within the North Atlantic Flight Corridor (NAFC) during the fall of 1997. The investigation was conducted aboard NASA's DC‐8 research aircraft, as part of the Subsonic Assessment (SASS) Ozone and Nitrogen Oxide Experiment (SONEX). NMHC enhancements were not detected within the general organized tracking system of the NAFC, nor during two tail chases of the DC‐8's own exhaust. Because positive evidence of aircraft emissions was demonstrated by enhancements in both nitrogen oxides and condensation nuclei during SONEX, the NMHC results suggest that the commercial air traffic fleet operating in the North Atlantic region does not contribute at all or contributes negligibly to NMHCs in the NAFC.

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