Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29w..13b&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 23, pp. 13-1, CiteID 2098, DOI 10.1029/2002GL015662
Physics
31
Atmospheric Composition And Structure: Aerosols And Particles (0345, 4801), Global Change: Atmosphere (0315, 0325), Atmospheric Composition And Structure: Pollution-Urban And Regional (0305), Meteorology And Atmospheric Dynamics: Land/Atmosphere Interactions
Scientific paper
Extensive ground based measurements of aerosol Black Carbon (BC) and size segregated aerosol mass concentration (total) were carried out (during August 2000 to October 2001) for the first time at a tropical coastal station, Trivandrum, India. BC depicted diurnal (with a nocturnal peak and mid-after noon low) and seasonal variations (highest during local winter and lowest during monsoon). The diurnal variations were closely associated with the boundary-layer dynamics. Daily mean BC concentration as high as ~6 μg m-3 was observed on several occasions. Mass apportionment showed a BC share ranging from ~3% to as high as ~12% to the total aerosol mass, depending on the season. The presence of such large amount of BC over land might influence the regional aerosol forcing.
Babu Suresh S.
Krishna Moorthy K.
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