Mathematics – Logic
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3310807s&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 10, CiteID L10807
Mathematics
Logic
4
Atmospheric Composition And Structure: Pollution: Urban And Regional (0305, 0478, 4251), Atmospheric Composition And Structure: Troposphere: Composition And Chemistry, Atmospheric Composition And Structure: Troposphere: Constituent Transport And Chemistry
Scientific paper
Simultaneous measurements of surface level ozone (O3) and meteorological parameters were made over the Bay of Bengal (BOB) during a cruise between 14 September and 12 October 2002. Variations in surface O3, equivalent potential temperature ($\theta$E) and associated meteorological parameters clearly show evidence of convective downdrafts during 18-19 September and 25-26 September. Sharp increase in O3 mixing ratio is coupled with decrease in $\theta$E value in the detrained air. The vertical wind velocity and satellite images also indicate significant convective activities during these periods. The maximum changes in O3 and $\theta$E were 26 ppbv and 12 K, respectively. These events comprise of both short and long time scale downdrafts.
Lal Sunder
Sahu L. K.
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