The Detection of Large HNO 3 -Containing Particles in the Winter Arctic Stratosphere-Reference-Cited by-同舟云学术

The Detection of Large HNO 3 -Containing Particles in the Winter Arctic Stratosphere

Published:2001-02-09 Issue:5506 Volume:291 Page:1026-1031
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Fahey D. W.¹²,Gao R. S.¹,Carslaw K. S.³,Kettleborough J.⁴,Popp P. J.¹²,Northway M. J.¹²,Holecek J. C.¹²,Ciciora S. C.¹²,McLaughlin R. J.¹,Thompson T. L.¹,Winkler R. H.¹,Baumgardner D. G.⁵,Gandrud B.⁶,Wennberg P. O.⁷⁸,Dhaniyala S.⁷,McKinney K.⁷,Peter Th.⁹,Salawitch R. J.¹⁰,Bui T. P.¹¹,Elkins J. W.¹²,Webster C. R.¹⁰,Atlas E. L.⁶,Jost H.¹¹¹³,Wilson J. C.¹⁴,Herman R. L.¹⁰,Kleinböhl A.¹⁵,von König M.¹⁵

Affiliation:

1. Aeronomy Laboratory,

2. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO 80309, USA.

3. School of the Environment, University of Leeds, Leeds LS2 9JT, UK.

4. Rutherford Appleton Laboratory, Chilton, Didcot, OX 11 OQX, UK.

5. Universidad Nacional Autónoma de México, Centro de Ciencias de la Atmósfera, Ciudad Universitaria, 04510 Mexico DF, Mexico.

6. National Center for Atmospheric Research, Boulder, CO 80307, USA.

7. Division of Geology and Planetary Sciences,

8. Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA 91125, USA.

9. Laboratorium für Atmosphärenphysik, Eidgenössiche Technische Hochschule Zürich, CH-8093 Zürich, Switzerland.

10. NASA Jet Propulsion Laboratory, Pasadena, CA 91109, USA.

11. NASA Ames Research Center, Moffett Field, CA 94035, USA.

12. Climate Monitoring and Diagnostics Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305, USA.

13. Bay Area Environmental Research Institute, San Francisco, CA 94122, USA.

14. Department of Engineering, University of Denver, Denver, CO 80208, USA.

15. Institute of Environmental Physics, University of Bremen, D-28334 Bremen, Germany.

Abstract

Large particles containing nitric acid (HNO 3 ) were observed in the 1999/2000 Arctic winter stratosphere. These in situ observations were made over a large altitude range (16 to 21 kilometers) and horizontal extent (1800 kilometers) on several airborne sampling flights during a period of several weeks. With diameters of 10 to 20 micrometers, these sedimenting particles have significant potential to denitrify the lower stratosphere. A microphysical model of nitric acid trihydrate particles is able to simulate the growth and sedimentation of these large sizes in the lower stratosphere, but the nucleation process is not yet known. Accurate modeling of the formation of these large particles is essential for understanding Arctic denitrification and predicting future Arctic ozone abundances.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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