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Water vapor and methane in the upper stratosphere - An examination of some of the Nimbus 7 measurementsThe zonal mean volume mixing ratios of water vapor and methane from January to May, 1979, derived from the Nimbus-7 limb IR monitor of the stratosphere and from stratosphere and mesosphere sounder experiments are investigated. The water vapor mixing ratio of air that enters the stratosphere from the troposphere and the yield of water vapor from photochemical oxidation of methane in the stratosphere are examined. The water vapor yield averaged between 1.5 and 2.0, although variability with time and level was relatively large. It is suggested that water vapor yield increases with height in the 16- to 3-mbar range. The average water vapor mixing ratio fo air entering the stratosphere during the study period was about 3.25 X 10 to the -6th.
Document ID
19890057249
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hansen, Anthony R.
(Control Data Meteorology Research Center Minneapolis, MN, United States)
Robinson, G. D.
(Saint Joseph College West Hartford, CT, United States)
Date Acquired
August 14, 2013
Publication Date
June 20, 1989
Publication Information
Publication: Journal of Geophysical Research
Volume: 94
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
89A44620
Funding Number(s)
CONTRACT_GRANT: NSF ATM-87-21728
CONTRACT_GRANT: NAS2-11571
Distribution Limits
Public
Copyright
Other

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