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Science 27 August 1993:
Vol. 261. no. 5125, pp. 1143 - 1146
DOI: 10.1126/science.261.5125.1143
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Articles
Stratospheric Meteorological Conditions in the Arctic Polar Vortex, 1991 to 1992
P. Newman 1,
L. R. Lait 1,
M. Schoeberl 1,
E. R. Nash 2,
K. Kelly 3,
D. W. Fahey 3,
R. Nagatani 4,
D. Toohey 5,
L. Avallone 5, and
J. Anderson 6
1 National Aeronautics and Space Administration Goddard Space Flight Center, Code 916, Greenbelt, MD 20771
2 Applied Research Corporation, Landover, MD 20785
3 National Oceanic and Atmospheric Administration Aeronomy Laboratory, 325 Broadway, Boulder, CO 80303
4 National Meteorological Center Climate Analysis Center, World Weather Building, Washington, DC 20233
5 Department of Geosciences, Physical Sciences Annex 206, University of California, Irvine, CA 92717
6 Harvard University Atmospheric Research Project, Engineering Science Laboratory, 40 Oxford Street, Cambridge, MA 02138
Stratospheric meteorological conditions during the Airborne Arctic Stratospheric Expedition II (AASE II) presented excellent observational opportunities from Bangor, Maine, because the polar vortex was located over southeastern Canada for significant periods during the 1991-1992 winter. Temperature analyses showed that nitric acid trihydrates (NAT temperatures below 195 k) should have formed over small regions in early December. The temperatures in the polar vortex warmed beyond NAT temperatures by late January (earlier than normal). Perturbed chemistry was found to be associated with these cold temperatures.
Submitted on February 19, 1993
Accepted on July 13, 1993
THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
- Probing Stratospheric Ozone.
- J. M. Rodriguez (1993)
Science
261, 1128-1129
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- Chlorine Chemistry on Polar Stratospheric Cloud Particles in the Arctic Winter.
- C. R. Webster, R. D. May, D. W. Toohey, L. M. Avallone, J. G. Anderson, P. Newman, L. Lait, M. R. Schoeberl, J. W. Elkins, and K. R. Chan (1993)
Science
261, 1130-1134
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- The Seasonal Evolution of Reactive Chlorine in the Northern Hemisphere Stratosphere.
- D. W. Toohey, L. M. Avallone, L. R. Lait, P. A. Newman, M. R. Schoeberl, D. W. Fahey, E. L. Woodbridge, and J. G. Anderson (1993)
Science
261, 1134-1136
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- Chemical Loss of Ozone in the Arctic Polar Vortex in the Winter of 1991-1992.
- R. J. Salawitch, S. C. Wofsy, E. W. Gottlieb, L. R. Lait, P. A. Newman, M. R. Schoeberl, M. Loewenstein, J. R. Podolske, S. E. Strahan, M. H. Proffitt, et al. (1993)
Science
261, 1146-1149
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- Ozone and Aerosol Changes During the 1991-1992 Airborne Arctic Stratospheric Expedition.
- E. V. Browell, C. F. Butler, M. A. Fenn, W. B. Grant, S. Ismail, M. R. Schoeberl, O. B. Toon, M. Loewenstein, and J. R. Podolske (1993)
Science
261, 1155-1158
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