NDLI: Broad features of surface ozone variations over indian region

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Broad features of surface ozone variations over indian region

Content Provider	NASA Technical Reports Server (NTRS)
Author	Jayaraman, K. Tiwari, V. S. Shende, R. R. Sreedharan, C. R.
Copyright Year	1994
Description	Surface ozone concentration at three Indian stations - New Delhi (28.6 deg N), Pune (18.5 deg N) and Thiruvananthapuram (formerly Trivandrum (8.3 deg N) - has been measured since 1973 with the help of an electrochemical continuous ozone recorder. These stations show diurnal, seasonal and annual cycles in surface ozone. Daily changes show that the minimum value occurs at sunrise and maximum in the afternoon. As regards seasonal variations, Thiruvananthapuram and Pune have a minimum value during monsoon season (June to August) while at New Delhi the minimum value occurs in January. However, New Delhi also records low ozone amount during monsoon season identical to the amounts show at Thiruvananthapuram and Pune. The annual cycles at these stations have been compared with similar measurements in the northern and southern hemispheres. The Indian measurements agree well with the annual cycles at these stations. Further, the analysis of the Indian data indicates that the major contribution in surface ozone comes from the natural sources like stratospheric-tropospheric exchange, turbulence, and mixing in the boundary layer; however, a small contribution from anthropogenic sources cannot be ruled out at Pune and probably at New Delhi, especially in winter and summer seasons.
File Size	668417
Page Count	9
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19950004184
Archival Resource Key	ark:/13960/t9t19xq40
Language	English
Publisher Date	1994-04-01
Access Restriction	Open
Subject Keyword	Geophysics Cycles Troposphere Monsoons Stratosphere Ozone Summer Ozonometry Planetary Boundary Layer India Atmospheric Composition Atmospheric Turbulence Winter Diurnal Variations Annual Variations Mixing Layers Fluids Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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