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An interim reference model for the variability of the middle atmosphere H2O vapor distributionWater vapor is an important minor constituent in the studies of the middle atmosphere for a variety of reasons, including its role as a source for active HO(y) chemicals and its use in analysis of transport processes. A number of in situ and remote techniques were employed in the determination of water vapor distributions. Two of the more complete data sets were used to develop an interim reference profile. First, there are the seven months of Nimbus 7 limb infrared monitor of the stratosphere (LIMS) data obtained during Nov. 1978 to May 1979 over the range 64S to 84N latitude and from about 100 to 1 mb in the mid-mesosphere at several fixed Northern Hemisphere mid-latitude sites. These two data sets were combined to give a mid-lattitude, interim reference water vapor profile for the entire vertical range of the middle atmosphere and with accuracies of better than 25 percent. The daily variability of stratospheric water vapor profiles about the monthly mean was also established from these data sets for selected months. Information is also provided on the longitudinal variability of LIMS water vapor profiles about the daily, weekly, and monthly zonal means. Generally, the interim reference water vapor profile and its variability are consistent with prevailing ideas about chemistry and transport.
Document ID
19910018321
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Remsberg, E. E. (NASA Langley Research Center Hampton, VA, United States)
Russell, J. M., III (NASA Langley Research Center Hampton, VA, United States)
Wu, C. Y. (ST Systems Corp. Hampton, VA., United States)
Date Acquired
September 6, 2013
Publication Date
December 1, 1989
Publication Information
Publication: International Council of Scientific Unions, Middle Atmosphere Program. Handbook for MAP. Volume 31: Reference Models of Trace Species for the COSPAR International Reference Atmosphere
Subject Category
Geophysics
Accession Number
91N27635
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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