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Space-Borne H2O Observations in the Arctic Stratosphere and Mesosphere in the Spring of 1992We report on stratospheric and mesospheric water vapor (H2O) observations obtained by the Millimeter wave Atmospheric Sounder (MAS) in the Arctic spring of 1992. In the lower stratosphere, the observations show enhanced H2O inside the vortex between 450 K and 625 K, in agreement with other H2O observations. In the upper stratosphere and lower mesosphere, at potential temperatures between 1850 K and 2200 K, we find regions of depressed H2O volume mixing ratio coincident with remnants of high potential vorticity. The depressed mesospheric H2O, as well as the enhanced lower stratospheric H2O, are consistent with wintertime descent. It also suggests effective containment of air up into the lower mesosphere.
Document ID
19970023212
Acquisition Source
Langley Research Center
Document Type
Reprint (Version printed in journal)
Authors
Aellig, C. P.
(Naval Research Lab. Washington, DC United States)
Bacmeister, J.
(Naval Research Lab. Washington, DC United States)
Bevilacqua, R. M.
(Naval Research Lab. Washington, DC United States)
Daehler, M.
(Naval Research Lab. Washington, DC United States)
Kriebel, D.
(Computational Physics, Inc. Fairfax, VA United States)
Pauls, T.
(Naval Research Lab. Washington, DC United States)
Siskind, D.
(Naval Research Lab. Washington, DC United States)
Kaempfer, N.
(Bern Univ. Bern, Switzerland)
Langen, J.
(European Space Agency. European Space Research and Technology Center, ESTEC Noordwijk, Netherlands)
Hartmann, G.
(Max-Planck-Inst. fuer Aeronomie Katlenburg-Lindau, Germany)
Berg, A.
(Bremen Univ. Germany)
Park, J. H.
(NASA Langley Research Center Hampton, VA United States)
Russell, J. M., III
(NASA Langley Research Center Hampton, VA United States)
Date Acquired
August 17, 2013
Publication Date
August 15, 1996
Publication Information
Publication: ATLAS Series of Shuttle Missions
Volume: 23
Issue: 17
ISSN: 0094-8534
Subject Category
Geophysics
Report/Patent Number
Paper-96GL01571
Accession Number
97N23600
Distribution Limits
Public
Copyright
Public Use Permitted.
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