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Balloon-borne ozonesonde and rocket temperature and wind data gathered during the July 1977 intertropical convergence zone experimentIn middle latitudes, it is possible for large concentrations of stratospheric air to be brought down to the tropopause through folds or breaks in the tropopause. The exchange of air from the tropopause into higher altitudes is not well understood. Thus, the ITCZ (Intertropical Convergence Zone) experiment, conducted from July 16 through July 31, 1977, included a series of balloon-borne ozone soundings. The results of these soundings are presented and explain in the vertical exchange of air and provide information on the short vertical scales-of-motion. Rocketsonde data was also gathered in the ITCZ experiment in support of a stratospheric scales-of-motion study. The investigation was to determine whether rocketsonde and satellite information currently used yield information on the stratospheric horizontal wave spectrum and its importance with respect to tropospheric and mesospheric interaction and transport.
Document ID
Document Type
Schmidlin, F. J.
(NASA Wallops Flight Center Wallops Island, VA, United States)
Kloos, G.
(NASA Wallops Flight Center Wallops Island, VA, United States)
Date Acquired
August 9, 2013
Publication Date
June 1, 1979
Publication Information
Publication: NASA. Ames Res. Center The 1977 Intertrop. Convergence Zone Expt.
Subject Category
Meteorology And Climatology
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.

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