Physics – Geophysics
Scientific paper
Apr 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3808803b&link_type=abstract
Geophysical Research Letters, Volume 38, Issue 8, CiteID L08803
Physics
Geophysics
2
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801, 4906), History Of Geophysics: Atmospheric Sciences
Scientific paper
First ever in-situ measurements of black carbon (BC) aerosols in the troposphere (up to 9 km) made over central India and the resulting atmospheric impact as revealed by the environment lapse rate are presented. The altitude distribution of BC showed multiple peaks; two surprisingly large peaks, one at ˜4.5 km, and another above 8 km. Associated with these, rapid decrease in the environmental lapse rate and a sharp increase in the atmosphere stability were observed, probably caused by the atmospheric warming by the BC layers. This important observation calls for extensive high altitude profiling of BC to quantify the resultant warming, increase in stability and consequent increase in BC lifetime.
Babu Suresh S.
Krishna Moorthy K.
Kumar H. Arun V.
Manchanda Ravi K.
Satheesh S. K.
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