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Observed changes in the vertical profile of stratopheric nitrous oxide at Thule, Greenland, February - March 1992Using a ground-based mm-wave spectrometer, we have observed stratospheric N2O over Thule, Greenland (76.3 N, 68.4 W) during late February and March, 1992. Vertical profiles of mixing ratio ranging from 16 to 50 km were recovered from molecular emission spectra. The profiles of early March show an abrupt increase in the lower-stratosphere N2O mixing ratio similar to the spring-to-summer change associated with the break up of the Antarctic polar vortex. This increase is correlated with changes in potential vorticity, air temperature, and ozone mixing ratio.
Document ID
19950004619
Document Type
Conference Paper
Authors
Emmons, Louisa K. (State Univ. of New York Stony Brook, NY, United States)
Reeves, John M. (State Univ. of New York Stony Brook, NY, United States)
Shindell, Drew T. (State Univ. of New York Stony Brook, NY, United States)
Dezafra, Robert L. (State Univ. of New York Stony Brook, NY, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1994
Publication Information
Publication: NASA. Goddard Space Flight Center, Ozone in the Troposphere and Stratosphere, Part 2
Subject Category
GEOPHYSICS
Funding Number(s)
CONTRACT_GRANT: NAGW-2182
CONTRACT_GRANT: NAG1-1354
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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