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| Titel |
Tropospheric ozone (TOR) trend over three major inland Indian cities: Delhi, Hyderabad and Bangalore |
| VerfasserIn |
Pavan S. Kulkarni, Sachin D. Ghude, D. Bortoli |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 28, no. 10 ; Nr. 28, no. 10 (2010-10-12), S.1879-1885 |
| Datensatznummer |
250016897
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| Publikation (Nr.) |
 copernicus.org/angeo-28-1879-2010.pdf |
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| Zusammenfassung |
| An analysis of tropospheric column ozone using the NASA Langley TOR data
during 1979–2005 has been done to investigate the trend over major Indian
cities Delhi, Hyderabad and Bangalore. India was under social
democratic-based policies before 1990s. Economic Liberalization began in
nineties which lead to a significant growth in industrial, energy
and transport sectors in major cities. Our analysis shows that there is a
systematic increase in the number of months with higher tropospheric ozone
values after 1990. A comparison of TOR climatology before and after 1990
over these cities shows evidence of increase in the tropospheric ozone after
1990. Trend obtained from the model shows significant change during monsoon
over Delhi and during pre-monsoon and post-monsoon over Hyderabad and
Bangalore. The present analysis using TOR technique demonstrates the TOR
potential to detect changes in tropospheric ozone over large cities which
are impacted by large anthropogenic pollution. |
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