NDLI: Horizontal eddy diffusivities in the northern hemispheric stratosphere and lower mesosphere

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Horizontal eddy diffusivities in the northern hemispheric stratosphere and lower mesosphere

Content Provider	NASA Technical Reports Server (NTRS)
Author	Lordi, N. J. Kao, S. K. Okrasinski, R. J.
Copyright Year	1978
Description	Meteorological rocket soundings, representative of low, middle, and high altitudes, are employed with the use of the statistical theory of diffusion, to determine the zonal and meridional component of eddy diffusivity between 30 and 55 km as a function of season, latitude, and altitude. A comparison is also made between annualry-averaged eddy diffusivities above and below 30 km. It is shown that the zonal component of eddy diffusivity is approximately three to five times as large as the meridional component, in most cases. Both components of eddy diffusivity varied greatly with season, latitude, and altitude. Highest eddy diffusivities occurred in the vicinity of the winter westerly jet located near the tropopause and in the stratosphere at 35 km, 40 deg N. Annually, a minimum of eddy diffusivity occurred near 20 km. In most cases, the zonal component of the eddy diffusivity was approximately three to five times as large as the meridional component. The meridional cross-sections of the zonal and meridional components of the eddy diffusivity in the northern hemisphere are presented.
File Size	1568366
Page Count	75
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19780018758
Archival Resource Key	ark:/13960/t3dz52302
Language	English
Publisher Date	1978-06-01
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Statistical Analysis Annual Variations Northern Hemisphere Stratosphere Turbulent Diffusion Sounding Rockets Meteorology Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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