Uptake of NO y  on wave‐cloud ice particles | Zendy

Weinheimer A. J. | Zendy; Campos T. L. | Zendy; Walega J. G. | Zendy; Grahek F. E. | Zendy; Ridley B. A. | Zendy; Baumgardner D. | Zendy; Twohy C. H. | Zendy; Gandrud B. | Zendy; Jensen E. J. | Zendy

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Uptake of NO y on wave‐cloud ice particles

Author(s) -

Weinheimer A. J.,

Campos T. L.,

Walega J. G.,

Grahek F. E.,

Ridley B. A.,

Baumgardner D.,

Twohy C. H.,

Gandrud B.,

Jensen E. J.

Publication year - 1998

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/97gl02957

Subject(s) - ice cloud , phase (matter) , atmospheric sciences , gas phase , environmental science , meteorology , geology , mineralogy , chemistry , physics , optics , thermodynamics , organic chemistry , radiative transfer

In a flight through a wave cloud during SUCCESS on 2 May 1996, simultaneous forward‐ and aft‐facing NO y inlets were used to infer the amount of condensed‐phase NO y present on ice particles that were up to a few minutes old. Condensed‐phase amounts were 25–75 pptv, or 10–20% of gas‐phase NO y . Given the rapid HNO 3 uptake on ice observed in the laboratory, a model calculation implies that virtually all of the gas‐phase HNO 3 will be depleted in the first 1–2 minutes after the appearance of ice. Thus the NO y observations are consistent with the laboratory results only if the ambient HNO 3 /NO y ratio is 10–20%.

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