Vol. 1, issue 12, article # 6

Kretov M. V., Khaplanov M. G., Yushkov V. A. Water Vapour Vertical Distribution Measurements by Balloon-borne Optical Fluorescence Hydrometer. // Atmospheric and oceanic optics. 1988. V. 1. No. 12. P. 26-28.
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Abstract:

The design of an optical fluorescence hydrometer and the calibraiion technique used are described. Balloon-borne data on the vertical distribution of the stratospheric water vapor mixture ratio are presented. For the 15-21 km altitude range the mixture ratio is shown to vary from 6 to 15 ppmv and increase up to 20 ppmv at 27.5 km.