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Vertical distribution of CH4 and N2O over the tropical site HyderabadVertical distribution profiles of N2O and CH4 have been measured from Hyderabad, India using a balloon-borne cryogenic air sampler. The samples have been analyzed using gas chromatographic techniques. Results for two balloon flights made in 1987 and 1990 show effects of tropical characteristics like higher tropopause and upwelling motion due to Hadley circulation. These profiles also exhibit perturbations around 25 km height, which are likely to be due to dynamical effects. A comparison with the SAMS data show that the SAMS values for both these gases are higher by a factor of about 1.5 to 2 around 30 km height.
Document ID
19950004686
Document Type
Conference Paper
Authors
Lal, Shyam (Physical Research Lab. Ahmedabad, India)
Subbaraya, B. H. (Physical Research Lab. Ahmedabad, India)
Fabian, Peter (Physical Research Lab. Ahmedabad, India)
Borchers, R. (Physical Research Lab. Ahmedabad, India)
Date Acquired
September 6, 2013
Publication Date
April 1, 1994
Publication Information
Publication: NASA. Goddard Space Flight Center, Ozone in the Troposphere and Stratosphere, Part 2
Subject Category
METEOROLOGY AND CLIMATOLOGY
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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