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Measurements of total reactive nitrogen during the Airborne Arctic Stratospheric ExpeditionComposite distributions of measured total reactive nitrogen NO(y), from the NASA ER-2 during the Airborne Arctic Stratospheric Expedition are presented. The observed features of these distributions are discussed in terms of the controlling dynamical, chemical and microphysical processes. In the latitudinal profile from 58 deg N to within about 4 deg poleward of the polar vortex boundary, NO(y) conforms closely to predictions of NO(y) based on N2O measurements. Poleward of 5 deg of latitude within the boundary, the average NO(y) decreases sharply and is significantly lower than that predicted from N2O. This feature is consistent with loss of NO(y) through sedimentation of particles containing NO(y) in polar stratospheric clouds.
Document ID
19900041452
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kawa, S. R.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Fahey, D. W.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Anderson, L. C.
(NOAA, Aeronomy Laboratory, Boulder CO, United States)
Loewenstein, M.
(National Oceanic and Atmospheric Administration Boulder, CO, United States)
Chan, K. R.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1990
Publication Information
Publication: Geophysical Research Letters, Supplement
Volume: 17
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
90A28507
Distribution Limits
Public
Copyright
Other

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